#include <avcodec.h>
Data Fields | |
const AVClass * | av_class |
information on struct for av_log
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int | bit_rate |
the average bitrate
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int | bit_rate_tolerance |
number of bits the bitstream is allowed to diverge from the reference. | |
int | flags |
CODEC_FLAG_*. | |
int | sub_id |
Some codecs need additional format info. | |
int | me_method |
Motion estimation algorithm used for video coding. | |
uint8_t * | extradata |
some codecs need / can use extradata like Huffman tables. | |
int | extradata_size |
AVRational | time_base |
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented. | |
int | width |
picture width / height. | |
int | height |
int | gop_size |
the number of pictures in a group of pictures, or 0 for intra_only
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enum PixelFormat | pix_fmt |
Pixel format, see PIX_FMT_xxx. | |
int | rate_emu |
Frame rate emulation. | |
void(* | draw_horiz_band )(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band. | |
int | sample_rate |
samples per second | |
int | channels |
number of audio channels | |
enum AVSampleFormat | sample_fmt |
audio sample format
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int | frame_size |
Samples per packet, initialized when calling 'init'. | |
int | frame_number |
audio or video frame number | |
int | real_pict_num |
Returns the real picture number of previous encoded frame. | |
int | delay |
Number of frames the decoded output will be delayed relative to the encoded input. | |
float | qcompress |
amount of qscale change between easy & hard scenes (0.0-1.0) | |
float | qblur |
amount of qscale smoothing over time (0.0-1.0) | |
int | qmin |
minimum quantizer
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int | qmax |
maximum quantizer
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int | max_qdiff |
maximum quantizer difference between frames
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int | max_b_frames |
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input. | |
float | b_quant_factor |
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset). | |
int | rc_strategy |
obsolete FIXME remove | |
int | b_frame_strategy |
int | hurry_up |
hurry up amount
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struct AVCodec * | codec |
void * | priv_data |
int | rtp_payload_size |
void(* | rtp_callback )(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
int | mv_bits |
int | header_bits |
int | i_tex_bits |
int | p_tex_bits |
int | i_count |
int | p_count |
int | skip_count |
int | misc_bits |
int | frame_bits |
number of bits used for the previously encoded frame
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void * | opaque |
Private data of the user, can be used to carry app specific stuff. | |
char | codec_name [32] |
enum AVMediaType | codec_type |
enum CodecID | codec_id |
unsigned int | codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | workaround_bugs |
Work around bugs in encoders which sometimes cannot be detected automatically. | |
int | luma_elim_threshold |
luma single coefficient elimination threshold
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int | chroma_elim_threshold |
chroma single coeff elimination threshold
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int | strict_std_compliance |
strictly follow the standard (MPEG4, . | |
float | b_quant_offset |
qscale offset between IP and B-frames
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int | error_recognition |
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors. | |
int(* | get_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it. | |
void(* | release_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer. | |
int | has_b_frames |
Size of the frame reordering buffer in the decoder. | |
int | block_align |
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs. | |
int | parse_only |
int | mpeg_quant |
0-> h263 quant 1-> mpeg quant
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char * | stats_out |
pass1 encoding statistics output buffer
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char * | stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here. | |
float | rc_qsquish |
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax. | |
float | rc_qmod_amp |
int | rc_qmod_freq |
RcOverride * | rc_override |
ratecontrol override, see RcOverride
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int | rc_override_count |
const char * | rc_eq |
rate control equation
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int | rc_max_rate |
maximum bitrate
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int | rc_min_rate |
minimum bitrate
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int | rc_buffer_size |
decoder bitstream buffer size
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float | rc_buffer_aggressivity |
float | i_quant_factor |
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset). | |
float | i_quant_offset |
qscale offset between P and I-frames
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float | rc_initial_cplx |
initial complexity for pass1 ratecontrol
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int | dct_algo |
DCT algorithm, see FF_DCT_* below
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float | lumi_masking |
luminance masking (0-> disabled)
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float | temporal_cplx_masking |
temporary complexity masking (0-> disabled)
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float | spatial_cplx_masking |
spatial complexity masking (0-> disabled)
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float | p_masking |
p block masking (0-> disabled)
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float | dark_masking |
darkness masking (0-> disabled)
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int | idct_algo |
IDCT algorithm, see FF_IDCT_* below. | |
int | slice_count |
slice count
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int * | slice_offset |
slice offsets in the frame in bytes
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int | error_concealment |
error concealment flags
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unsigned | dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e. | |
int | bits_per_coded_sample |
bits per sample/pixel from the demuxer (needed for huffyuv). | |
int | prediction_method |
prediction method (needed for huffyuv)
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AVRational | sample_aspect_ratio |
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel. | |
AVFrame * | coded_frame |
the picture in the bitstream
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int | debug |
debug
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int | debug_mv |
debug
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uint64_t | error [4] |
error
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int | mb_qmin |
minimum MB quantizer
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int | mb_qmax |
maximum MB quantizer
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int | me_cmp |
motion estimation comparison function
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int | me_sub_cmp |
subpixel motion estimation comparison function
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int | mb_cmp |
macroblock comparison function (not supported yet)
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int | ildct_cmp |
interlaced DCT comparison function
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int | dia_size |
ME diamond size & shape
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int | last_predictor_count |
amount of previous MV predictors (2a+1 x 2a+1 square)
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int | pre_me |
prepass for motion estimation
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int | me_pre_cmp |
motion estimation prepass comparison function
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int | pre_dia_size |
ME prepass diamond size & shape
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int | me_subpel_quality |
subpel ME quality
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enum PixelFormat(* | get_format )(struct AVCodecContext *s, const enum PixelFormat *fmt) |
callback to negotiate the pixelFormat | |
int | dtg_active_format |
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set. | |
int | me_range |
maximum motion estimation search range in subpel units If 0 then no limit. | |
int | intra_quant_bias |
intra quantizer bias
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int | inter_quant_bias |
inter quantizer bias
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int | color_table_id |
color table ID
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int | internal_buffer_count |
internal_buffer count Don't touch, used by libavcodec default_get_buffer(). | |
void * | internal_buffer |
internal_buffers Don't touch, used by libavcodec default_get_buffer(). | |
int | global_quality |
Global quality for codecs which cannot change it per frame. | |
int | coder_type |
coder type
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int | context_model |
context model
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int | slice_flags |
slice flags
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int | xvmc_acceleration |
XVideo Motion Acceleration
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int | mb_decision |
macroblock decision mode
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uint16_t * | intra_matrix |
custom intra quantization matrix
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uint16_t * | inter_matrix |
custom inter quantization matrix
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unsigned int | stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A'). | |
int | scenechange_threshold |
scene change detection threshold 0 is default, larger means fewer detected scene changes. | |
int | lmin |
minimum Lagrange multipler
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int | lmax |
maximum Lagrange multipler
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struct AVPaletteControl * | palctrl |
palette control structure
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int | noise_reduction |
noise reduction strength
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int(* | reget_buffer )(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it. | |
int | rc_initial_buffer_occupancy |
Number of bits which should be loaded into the rc buffer before decoding starts. | |
int | inter_threshold |
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int | flags2 |
CODEC_FLAG2_*
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int | error_rate |
Simulates errors in the bitstream to test error concealment. | |
int | antialias_algo |
MP3 antialias algorithm, see FF_AA_* below. | |
int | quantizer_noise_shaping |
quantizer noise shaping
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int | thread_count |
thread count is used to decide how many independent tasks should be passed to execute()
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int(* | execute )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things. | |
void * | thread_opaque |
thread opaque Can be used by execute() to store some per AVCodecContext stuff. | |
int | me_threshold |
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used. | |
int | mb_threshold |
Macroblock threshold below which the user specified macroblock types will be used. | |
int | intra_dc_precision |
precision of the intra DC coefficient - 8
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int | nsse_weight |
noise vs. | |
int | skip_top |
Number of macroblock rows at the top which are skipped. | |
int | skip_bottom |
Number of macroblock rows at the bottom which are skipped. | |
int | profile |
profile
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int | level |
level
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int | lowres |
low resolution decoding, 1-> 1/2 size, 2->1/4 size
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int | coded_width |
Bitstream width / height, may be different from width/height if lowres or other things are used. | |
int | coded_height |
int | frame_skip_threshold |
frame skip threshold
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int | frame_skip_factor |
frame skip factor
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int | frame_skip_exp |
frame skip exponent
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int | frame_skip_cmp |
frame skip comparison function
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float | border_masking |
Border processing masking, raises the quantizer for mbs on the borders of the picture. | |
int | mb_lmin |
minimum MB lagrange multipler
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int | mb_lmax |
maximum MB lagrange multipler
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int | me_penalty_compensation |
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enum AVDiscard | skip_loop_filter |
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enum AVDiscard | skip_idct |
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enum AVDiscard | skip_frame |
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int | bidir_refine |
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int | brd_scale |
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float | crf |
constant rate factor - quality-based VBR - values ~correspond to qps
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int | cqp |
constant quantization parameter rate control method
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int | keyint_min |
minimum GOP size
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int | refs |
number of reference frames
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int | chromaoffset |
chroma qp offset from luma
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int | bframebias |
Influences how often B-frames are used. | |
int | trellis |
trellis RD quantization
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float | complexityblur |
Reduce fluctuations in qp (before curve compression). | |
int | deblockalpha |
in-loop deblocking filter alphac0 parameter alpha is in the range -6. | |
int | deblockbeta |
in-loop deblocking filter beta parameter beta is in the range -6. | |
int | partitions |
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
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int | directpred |
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
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int | cutoff |
Audio cutoff bandwidth (0 means "automatic")
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int | scenechange_factor |
Multiplied by qscale for each frame and added to scene_change_score. | |
int | mv0_threshold |
Note: Value depends upon the compare function used for fullpel ME. | |
int | b_sensitivity |
Adjusts sensitivity of b_frame_strategy 1. | |
int | compression_level |
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int | use_lpc |
Sets whether to use LPC mode - used by FLAC encoder. | |
int | lpc_coeff_precision |
LPC coefficient precision - used by FLAC encoder
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int | min_prediction_order |
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int | max_prediction_order |
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int | prediction_order_method |
search method for selecting prediction order
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int | min_partition_order |
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int | max_partition_order |
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int64_t | timecode_frame_start |
GOP timecode frame start number, in non drop frame format
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int | request_channels |
Decoder should decode to this many channels if it can (0 for default)
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float | drc_scale |
Percentage of dynamic range compression to be applied by the decoder. | |
int64_t | reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque | |
int | bits_per_raw_sample |
Bits per sample/pixel of internal libavcodec pixel/sample format. | |
int64_t | channel_layout |
Audio channel layout. | |
int64_t | request_channel_layout |
Request decoder to use this channel layout if it can (0 for default)
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float | rc_max_available_vbv_use |
Ratecontrol attempt to use, at maximum, | |
float | rc_min_vbv_overflow_use |
Ratecontrol attempt to use, at least, | |
struct AVHWAccel * | hwaccel |
Hardware accelerator in use
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int | ticks_per_frame |
For some codecs, the time base is closer to the field rate than the frame rate. | |
void * | hwaccel_context |
Hardware accelerator context. | |
enum AVColorPrimaries | color_primaries |
Chromaticity coordinates of the source primaries. | |
enum AVColorTransferCharacteristic | color_trc |
Color Transfer Characteristic. | |
enum AVColorSpace | colorspace |
YUV colorspace type. | |
enum AVColorRange | color_range |
MPEG vs JPEG YUV range. | |
enum AVChromaLocation | chroma_sample_location |
This defines the location of chroma samples. | |
int(* | execute2 )(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) |
The codec may call this to execute several independent things. | |
int | weighted_p_pred |
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
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int | aq_mode |
AQ mode 0: Disabled 1: Variance AQ (complexity mask) 2: Auto-variance AQ (experimental)
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float | aq_strength |
AQ strength Reduces blocking and blurring in flat and textured areas. | |
float | psy_rd |
PSY RD Strength of psychovisual optimization
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float | psy_trellis |
PSY trellis Strength of psychovisual optimization
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int | rc_lookahead |
RC lookahead Number of frames for frametype and ratecontrol lookahead
| |
float | crf_max |
Constant rate factor maximum With CRF encoding mode and VBV restrictions enabled, prevents quality from being worse than crf_max, even if doing so would violate VBV restrictions. | |
int | log_level_offset |
enum AVLPCType | lpc_type |
Determines which LPC analysis algorithm to use. | |
int | lpc_passes |
Number of passes to use for Cholesky factorization during LPC analysis
| |
int | slices |
Number of slices. | |
uint8_t * | subtitle_header |
Header containing style information for text subtitles. | |
int | subtitle_header_size |
AVPacket * | pkt |
Current packet as passed into the decoder, to avoid having to pass the packet into every function. | |
int | is_copy |
Whether this is a copy of the context which had init() called on it. | |
int | thread_type |
Which multithreading methods to use. | |
int | active_thread_type |
Which multithreading methods are in use by the codec. | |
int | thread_safe_callbacks |
Set by the client if its custom get_buffer() callback can be called from another thread, which allows faster multithreaded decoding. | |
uint64_t | vbv_delay |
VBV delay coded in the last frame (in periods of a 27 MHz clock). |
New fields can be added to the end with minor version bumps. Removal, reordering and changes to existing fields require a major version bump. sizeof(AVCodecContext) must not be used outside libav*.
Definition at line 987 of file avcodec.h.
const AVClass* AVCodecContext::av_class |
information on struct for av_log
Definition at line 992 of file avcodec.h.
Referenced by avcodec_get_context_defaults2().
the average bitrate
Definition at line 998 of file avcodec.h.
Referenced by aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), add_audio_stream(), add_av_stream(), add_codec(), add_video_stream(), adx_decode_header(), aea_read_header(), amf_parse_object(), apc_read_header(), asf_read_header(), asf_write_header1(), atrac3_decode_init(), audio_encode_example(), av_estimate_timings_from_bit_rate(), av_new_stream(), avi_write_header(), avisynth_read_header(), bfi_read_header(), cin_read_header(), compute_bandwidth(), compute_status(), cook_decode_init(), daud_header(), dc1394_read_common(), dca_decode_frame(), decode_frame(), decode_ppc(), decode_wave_header(), dv_extract_audio_info(), dv_extract_video_info(), dv_init_demux(), dv_offset_reset(), dv_produce_packet(), ea_read_header(), encode_init(), Faac_encode_init(), ff_aac_ac3_parse(), ff_dnxhd_find_cid(), ff_parse_specific_params(), ff_wma_init(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_stream_in_feed(), flic_read_header(), flv_write_header(), fourxm_read_header(), g726_init(), get_aiff_header(), get_audio_frame_size(), get_bit_rate(), get_sindex(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), idcin_read_header(), iff_read_header(), init_bitstream_params(), ipmovie_read_header(), iss_read_header(), lame_window_init(), libdirac_encode_init(), libgsm_init(), libschroedinger_encode_init(), lxf_read_header(), matroska_read_header(), mlp_parse(), mmf_read_header(), modify_current_stream(), mov_build_index(), mov_write_esds_tag(), mov_write_uuidprof_tag(), mp3_parse_vbr_tags(), MP3lame_encode_init(), MPA_encode_init(), mpeg_decode_postinit(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mpegts_read_header(), mpegvideo_extract_headers(), MPV_encode_init(), mtv_read_header(), mxf_write_d10_video_packet(), mxf_write_header(), mxf_write_mpegvideo_desc(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), parse_ffconfig(), parse_mpeg1waveformatex(), pcm_bluray_parse_header(), pcm_read_seek(), psy_3gpp_window(), qcp_read_header(), qdm2_decode_init(), ra144_encode_init(), read_desc_chunk(), read_header(), real_parse_asm_rule(), rl2_read_header(), rm_read_header(), rm_write_header(), roq_read_packet(), rv10_write_header(), search_for_quantizers_twoloop(), seq_read_header(), sipr_decoder_init(), sox_read_header(), tmv_read_header(), transcode(), twin_decode_frame(), twin_decode_init(), v4l2_read_header(), validate_options(), vid_read_header(), vid_read_packet(), video_encode_example(), vmd_read_header(), voc_get_packet(), vorbis_header(), vp8_init(), vqf_read_header(), vqf_read_seek(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xa_read_header(), and XAVS_init().
number of bits the bitstream is allowed to diverge from the reference.
the reference can be CBR (for CBR pass1) or VBR (for pass2)
Definition at line 1006 of file avcodec.h.
Referenced by add_codec(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), parse_ffconfig(), and XAVS_init().
CODEC_FLAG_*.
Definition at line 1013 of file avcodec.h.
Referenced by aac_encode_frame(), add_audio_stream(), add_video_stream(), av_parser_change(), av_write_header(), avcodec_default_get_buffer(), avcodec_string(), common_init(), comp_block(), dct_get(), decode_frame(), dnxhd_decode_macroblock(), dnxhd_encode_init(), do_video_stats(), dsputil_init_mmx(), dsputilenc_init_mmx(), dv_guess_dct_mode(), encode_block(), encode_frame(), encode_init(), estimate_best_b_count(), Faac_encode_init(), ff_dnxhd_find_cid(), ff_fmt_convert_init_altivec(), ff_fmt_convert_init_arm(), ff_h263_decode_frame(), ff_mjpeg_decode_init(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), flac_write_header(), float_init_altivec(), get_flags(), h261_decode_frame(), halfpel_interpol(), idct_put(), indeo3_decode_frame(), intra_predict(), iv_decode_frame(), lame_window_init(), libdirac_encode_init(), libschroedinger_encode_init(), mjpeg_decode_scan(), mkv_write_header(), mov_write_udta_tag(), MP3lame_encode_init(), mpeg_decode_frame(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), mxf_write_header(), mxf_write_identification(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), ogg_write_header(), oggvorbis_init_encoder(), opt_input_file(), parse_ffconfig(), print_report(), read_ffserver_streams(), remove_extradata(), render_slice(), sp5x_decode_frame(), stream_component_open(), svq1_decode_init(), svq1_encode_plane(), svq3_decode_init(), tgq_idct_put_mb(), tgq_idct_put_mb_dconly(), tqi_idct_put(), transcode(), unpack_dct_coeffs(), update_context_from_user(), validate_thread_parameters(), vc1_decode_init(), video_decode_example(), vorbis_encode_init(), vp8_decode_frame(), vp8_encode(), vp8_init(), X264_init(), and XAVS_init().
Some codecs need additional format info.
It is stored here. If any muxer uses this then ALL demuxers/parsers AND encoders for the specific codec MUST set it correctly otherwise stream copy breaks. In general use of this field by muxers is not recommanded.
Definition at line 1023 of file avcodec.h.
Referenced by decode_frame(), ff_mpa_decode_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpegvideo_extract_headers(), rv10_decode_init(), rv20_decode_picture_header(), update_context_from_thread(), and vcr2_init_sequence().
Motion estimation algorithm used for video coding.
1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex), 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific]
Definition at line 1032 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), svq1_encode_plane(), X264_init(), and XAVS_init().
uint8_t* AVCodecContext::extradata |
some codecs need / can use extradata like Huffman tables.
mjpeg: Huffman tables rv10: additional flags mpeg4: global headers (they can be in the bitstream or here) The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger than extradata_size to avoid prolems if it is read with the bitstream reader. The bytewise contents of extradata must not depend on the architecture or CPU endianness.
Definition at line 1045 of file avcodec.h.
Referenced by a64_write_header(), a64_write_packet(), a64multi_encode_frame(), a64multi_init_encoder(), aac_adtstoasc_filter(), aac_decode_init(), aac_encode_init(), add_av_stream1(), adpcm_decode_init(), adts_write_header(), aiff_read_header(), alac_encode_close(), alac_encode_init(), alac_set_info(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_stream_properties(), ass_decode_init(), ass_encode_init(), atrac3_decode_init(), av_find_stream_info(), av_mpeg4_decode_header(), av_open_input_stream(), av_parser_change(), avcodec_close(), avcodec_copy_context(), avformat_free_context(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_header_trees(), decode_init(), decode_stream_header(), dump_extradata(), dvbsub_init_decoder(), encode_close(), encode_end(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_close(), Faac_encode_init(), ff_cmap_read_palette(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_h263_decode_frame(), ff_h264_decode_extradata(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_read_stsd_entries(), ff_mov_write_packet(), ff_mp4_read_dec_config_descr(), ff_parse_mpeg2_descriptor(), ff_rm_read_mdpr_codecdata(), ffm_read_header(), ffm_write_header(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_attachment(), get_codec_data(), h264_mp4toannexb_filter(), idcin_decode_init(), idcin_read_header(), iff_read_header(), latm_decode_audio_specific_config(), latm_decode_frame(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_wave(), mov_write_extradata_tag(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mp_decode_frame(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_header(), mpegts_write_pmt(), MPV_encode_end(), mtv_read_header(), mxf_parse_structural_metadata(), new_stream(), nut_read_header(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_close(), oggvorbis_encode_init(), oma_read_header(), parse_fmtp_config(), parse_media_type(), parse_mpeg1waveformatex(), parse_packed_headers(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), qdm2_parse_config(), raw_init_decoder(), read_audio_mux_element(), read_extra_header(), read_gab2_sub(), read_header(), read_kuki_chunk(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), rv30_parse_slice_header(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), svq3_parse_packet(), theora_header(), transcode(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wavpack_decode_init(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_close(), X264_init(), XAVS_close(), XAVS_init(), yop_decode_init(), and yop_read_header().
Definition at line 1046 of file avcodec.h.
Referenced by a64multi_init_encoder(), aac_adtstoasc_filter(), aac_decode_init(), aac_encode_init(), add_av_stream1(), adpcm_decode_init(), adts_write_header(), aiff_read_header(), alac_decode_init(), alac_encode_close(), alac_encode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_stream_properties(), asf_write_header1(), ass_decode_init(), ass_encode_init(), atrac3_decode_init(), av_find_stream_info(), av_mpeg4_decode_header(), av_parser_change(), avcodec_copy_context(), avi_read_header(), bfi_decode_frame(), bfi_read_header(), concatenate_packet(), cook_decode_init(), decode_ext_header(), decode_header_trees(), decode_init(), decode_stream_header(), dump_extradata(), dvbsub_init_decoder(), encode_close(), encode_ext_header(), encode_init(), extract_mpeg4_header(), Faac_encode_init(), ff_cmap_read_palette(), ff_flac_is_extradata_valid(), ff_flac_write_header(), ff_h263_decode_frame(), ff_h264_decode_extradata(), ff_h264_decode_init(), ff_mjpeg_decode_init(), ff_mov_read_stsd_entries(), ff_mov_write_packet(), ff_mp4_read_dec_config_descr(), ff_parse_mpeg2_descriptor(), ff_rtp_send_aac(), ffm_read_header(), ffm_write_header(), flac_encode_close(), flac_encode_init(), flac_header(), flac_read_header(), flic_decode_init(), flic_read_header(), flv_get_extradata(), flv_read_packet(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aac_sample_rates(), get_attachment(), get_codec_data(), h264_mp4toannexb_filter(), h264_parse(), idcin_decode_init(), idcin_read_header(), iff_read_header(), latm_decode_audio_specific_config(), latm_decode_init(), libspeex_decode_init(), matroska_read_header(), mkv_write_block(), mkv_write_codecprivate(), mov_read_extradata(), mov_read_glbl(), mov_read_smi(), mov_read_strf(), mov_read_wave(), mov_write_extradata_tag(), mov_write_subtitle_tag(), mp3_header_compress(), mp3_header_decompress(), mpc7_decode_init(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_decode_frame(), mpegts_write_header(), mpegts_write_pmt(), mtv_read_header(), mxf_parse_structural_metadata(), new_stream(), nut_read_header(), ogg_build_speex_headers(), ogg_write_header(), oggvorbis_encode_init(), oma_read_header(), parse_fmtp_config(), parse_media_type(), parse_packed_headers(), put_audio_specific_config(), put_xiph_codecpriv(), qdm2_decode_init(), qdm2_parse_config(), raw_init_decoder(), read_extra_header(), read_header(), read_kuki_chunk(), read_packet(), read_specific_config(), rl2_decode_init(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_extradata(), rv10_decode_init(), rv20_decode_picture_header(), rv30_decode_init(), sdp_parse_fmtp_config_h264(), smacker_read_header(), speex_header(), svq3_decode_init(), svq3_parse_packet(), theora_header(), transcode(), tta_decode_init(), tta_read_header(), vc1_decode_init(), vc1t_read_header(), vfw_read_header(), vmdvideo_decode_init(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vp6_parse_header(), vqa_decode_init(), wavpack_decode_init(), wma_decode_init(), wmavoice_decode_init(), wmv2_encode_init(), write_header(), write_streamheader(), write_trailer(), wsvqa_read_header(), X264_init(), XAVS_init(), and yop_read_header().
This is the fundamental unit of time (in seconds) in terms of which frame timestamps are represented.
For fixed-fps content, timebase should be 1/framerate and timestamp increments should be identically 1.
Definition at line 1056 of file avcodec.h.
Referenced by add_av_stream(), add_codec(), add_video_stream(), av_find_stream_info(), av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), avi_write_header(), avs_read_packet(), cmv_process_header(), compute_frame_duration(), compute_pkt_fields(), compute_pkt_fields2(), compute_status(), dc1394_read_common(), decode_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), decode_vop_header(), dirac_header(), do_audio_out(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), ea_read_header(), encode_ext_header(), encode_init(), estimate_best_b_count(), ff_dirac_schro_get_video_format_idx(), ff_flv_encode_picture_header(), ff_h261_encode_picture_header(), ff_h263_show_pict_info(), ff_h264_decode_init(), ff_parse_specific_params(), ff_rate_control_init(), ff_rate_estimate_qscale(), ff_raw_video_read_header(), ff_rm_read_mdpr_codecdata(), ff_set_mpeg4_time(), ff_vbv_update(), ff_vdpau_mpeg4_decode_picture(), ff_xvid_rate_control_init(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), flv_write_header(), gif_write_video(), grab_read_header(), h261_decode_picture_header(), h263_decode_picture_header(), h263_encode_picture_header(), init_pass2(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mkv_write_tracks(), modify_qscale(), mov_get_dv_codec_tag(), mov_write_header(), mov_write_uuidprof_tag(), mpeg4_encode_gop_header(), mpeg4_encode_picture_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), mpegts_write_header(), mpegvideo_extract_headers(), mpegvideo_parse(), MPV_encode_init(), MPV_encode_picture(), mxf_write_header(), new_audio_stream(), new_video_stream(), ogg_write_header(), oggvorbis_encode_frame(), ogm_dshow_header(), ogm_header(), opt_input_file(), opt_target(), output_packet(), parse_ffconfig(), parse_forced_key_frames(), parse_source_parameters(), r3d_read_rdvo(), r3d_read_red1(), r3d_read_redv(), r3d_seek(), rm_write_header(), rtp_write_header(), set_frame_distances(), show_stream(), swf_read_packet(), swf_write_header(), tb_unreliable(), tgq_decode_init(), tgv_decode_init(), theora_header(), tqi_decode_init(), transcode(), txd_read_header(), update_context_from_thread(), v4l2_read_header(), vaapi_mpeg4_start_frame(), vfw_read_header(), video_encode_example(), vp8_init(), write_audio_frame(), write_trailer(), write_video_frame(), x11grab_read_header(), X264_init(), and XAVS_init().
picture width / height.
Definition at line 1066 of file avcodec.h.
Referenced by a64multi_encode_frame(), aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), asf_read_stream_properties(), asf_write_header1(), aura_decode_frame(), aura_decode_init(), av_mpeg4_decode_header(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), binkb_decode_plane(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), cin_read_header(), cinepak_decode(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_frame_byterun1(), decode_frame_header(), decode_frame_ilbm(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_write_header(), do_video_out(), do_video_stats(), draw_char(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvvideo_init_encoder(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), erase_screen(), escape124_decode_frame(), escape124_decode_init(), estimate_best_b_count(), execute_code(), ff_ccitt_unpack(), ff_create_schro_frame(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_dv_codec_profile(), ff_mov_read_stsd_entries(), ff_pnm_decode_header(), ff_print_debug_info(), ff_raw_read_header(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ff_sauce_read(), ffm_read_header(), ffm_write_header(), fill_picture_parameters(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), fourxm_read_header(), frame_start(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), halfpel_interpol(), has_codec_parameters(), hscroll(), idcin_decode_vlcs(), idcin_read_header(), iff_read_header(), indeo3_decode_init(), init_bundles(), init_slice_contexts(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), iv_decode_frame(), ivf_write_header(), lag_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_intra(), mov_get_dv_codec_tag(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tapt_tag(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), mov_write_video_tag(), movie_init(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_decode_line(), mp_read_changes_map(), mpegvideo_extract_headers(), MPV_encode_init(), msrle_decode_frame(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), parse_picture_segment(), parse_presentation_segment(), pcx_decode_frame(), pcx_encode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), print_report(), ptx_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), qtrle_encode_line(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), rawvideo_read_packet(), read_header(), read_packet(), read_seek(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tmv_decode_frame(), tmv_read_header(), to_meta_with_crop(), tqi_decode_frame(), transcode(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), truemotion1_decode_init(), txd_decode_frame(), ulti_decode_init(), update_context_from_thread(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1_decode_sequence_header(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), vmd_decode(), vp3_decode_init(), vp6_parse_header(), vp8_decode(), vp8_init(), wc3_read_header(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_chroma(), xan_decode_frame_type0(), xan_decode_frame_type1(), xan_decode_init(), xan_wc3_copy_pixel_run(), xan_wc3_decode_frame(), xan_wc3_output_pixel_run(), XAVS_init(), xiph_parse_fmtp_pair(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_read_header(), yuv4_read_packet(), and zmbv_me().
Definition at line 1066 of file avcodec.h.
Referenced by a64multi_encode_frame(), aasc_decode_frame(), add_av_stream(), add_codec(), add_video_stream(), alloc_blocks(), asf_read_stream_properties(), asf_write_header1(), aura_decode_frame(), av_mpeg4_decode_header(), av_write_header(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_encode_video(), avcodec_open(), avcodec_set_dimensions(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), avs_read_packet(), bethsoftvid_decode_frame(), bfi_decode_frame(), bfi_decode_init(), bfi_read_header(), bink_decode_plane(), binkb_decode_plane(), bmp_decode_frame(), bmp_encode_frame(), cdg_decode_init(), cin_read_header(), cinepak_decode_init(), cinvideo_decode_frame(), cinvideo_decode_init(), cmv_decode_inter(), cmv_decode_intra(), cmv_process_header(), codec_reinit(), common_init(), common_init_after_header(), compute_status(), cyuv_decode_init(), dc1394_read_common(), decode_13(), decode_frame(), decode_frame_byterun1(), decode_frame_header(), decode_frame_ilbm(), decode_header(), decode_i2_frame(), decode_i_frame(), decode_init(), decode_p_block(), decode_p_frame(), decode_seq_header(), decode_sequence_header_adv(), decode_slice_header(), decode_stream_header(), dnxhd_decode_frame(), dnxhd_encode_init(), dnxhd_get_blocks(), dnxhd_write_header(), do_video_out(), do_video_stats(), dump_stream_format(), dv_extract_video_info(), dv_write_pack(), dvvideo_init_encoder(), dxa_read_header(), ea_read_header(), encode_frame(), encode_init(), encode_picture_ls(), erase_screen(), escape124_decode_init(), estimate_best_b_count(), execute_code(), ff_create_schro_frame(), ff_dirac_schro_get_video_format_idx(), ff_dnxhd_find_cid(), ff_draw_horiz_band(), ff_dv_codec_profile(), ff_dxva2_common_end_frame(), ff_mov_read_stsd_entries(), ff_pnm_decode_header(), ff_print_debug_info(), ff_raw_read_header(), ff_rm_read_mdpr_codecdata(), ff_rv34_decode_init(), ff_sauce_read(), ff_vaapi_common_end_frame(), ff_vdpau_h264_picture_complete(), ff_vdpau_mpeg4_decode_picture(), ff_vdpau_mpeg_picture_complete(), ff_vdpau_vc1_decode_picture(), ffm_read_header(), ffm_write_header(), fill_picture_parameters(), film_read_header(), find_stream_in_feed(), flashsv_decode_frame(), flashsv_encode_init(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_read_header(), flip(), fourxm_read_header(), frame_start(), gif_encode_init(), gif_image_write_header(), gif_image_write_image(), gif_write_header(), gif_write_video(), grab_read_header(), gxf_find_lines_index(), gxf_write_header(), gxf_write_mpeg_auxiliary(), halfpel_interpol(), hscroll(), idcin_decode_vlcs(), idcin_read_header(), iff_read_header(), indeo3_decode_init(), init_bundles(), init_slice_contexts(), ipmovie_read_header(), ipvideo_decode_init(), ipvideo_decode_opcodes(), ir2_decode_frame(), iv_decode_frame(), ivf_write_header(), lag_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), matroska_read_header(), mimic_decode_frame(), mkv_write_tracks(), mm_decode_inter(), mm_decode_intra(), mov_get_dv_codec_tag(), mov_read_trak(), mov_write_avid_tag(), mov_write_header(), mov_write_tapt_tag(), mov_write_tkhd_tag(), mov_write_uuidprof_tag(), movie_init(), mp_decode_frame(), mp_decode_frame_helper(), mp_decode_init(), mp_read_changes_map(), mpegvideo_extract_headers(), MPV_encode_init(), msrle_decode_8_16_24_32(), msrle_decode_frame(), msrle_decode_pal4(), msvideo1_decode_16bit(), msvideo1_decode_8bit(), mtv_read_header(), mxf_parse_mpeg2_frame(), mxf_parse_structural_metadata(), mxf_write_cdci_common(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogm_dshow_header(), ogm_header(), open_video(), opt_input_file(), output_packet(), pam_encode_frame(), parse_ffconfig(), parse_h264_sdp_line(), parse_picture_segment(), parse_presentation_segment(), pcx_decode_frame(), pcx_encode_frame(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), prepare_avpic(), print_report(), ptx_decode_frame(), qtrle_decode_16bpp(), qtrle_decode_1bpp(), qtrle_decode_24bpp(), qtrle_decode_2n4bpp(), qtrle_decode_32bpp(), qtrle_decode_8bpp(), qtrle_decode_frame(), qtrle_encode_frame(), qtrle_encode_init(), r3d_read_red1(), raw_decode(), raw_encode(), raw_init_decoder(), rawvideo_read_packet(), read_header(), read_packet(), read_seek(), rl2_decode_init(), rl2_read_header(), rl2_rle_decode(), roq_decode_frame(), roq_decode_init(), roq_encode_init(), roq_read_packet(), rpl_read_header(), rpza_decode_stream(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_stream(), sp5x_decode_frame(), str_read_packet(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_init(), svq3_decode_init(), swf_write_header(), swf_write_video(), targa_encode_frame(), tgq_decode_frame(), tgv_decode_frame(), tgv_decode_inter(), theora_header(), thp_read_header(), tiff_decode_tag(), tm2_decode_blocks(), tmv_decode_frame(), tmv_read_header(), to_meta_with_crop(), tqi_decode_frame(), transcode(), truemotion1_decode_16bit(), truemotion1_decode_24bit(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), update_context_from_thread(), v4l2_read_header(), vb_decode_framedata(), vc1_decode_init(), vc1_decode_sequence_header(), vc1t_read_header(), vc1test_write_header(), vfw_read_header(), vid_read_header(), vid_read_packet(), video_decode_example(), video_encode_example(), vmd_decode(), vp3_decode_init(), vp3_draw_horiz_band(), vp6_parse_header(), vp8_decode(), vp8_init(), wc3_read_header(), write_streamheader(), write_trailer(), write_video_frame(), wsvqa_read_header(), x11grab_read_header(), X264_init(), xan_decode_chroma(), xan_decode_frame(), xan_decode_frame_type0(), xan_decode_frame_type1(), xan_decode_init(), xan_wc3_decode_frame(), XAVS_init(), xiph_parse_fmtp_pair(), yop_decode_frame(), yop_decode_init(), yop_read_header(), yuv4_read_header(), yuv4_read_packet(), and zmbv_me().
the number of pictures in a group of pictures, or 0 for intra_only
Definition at line 1075 of file avcodec.h.
Referenced by add_av_stream(), add_video_stream(), encode_init(), ffm_read_header(), ffm_write_header(), flashsv_encode_frame(), libdirac_encode_init(), libschroedinger_encode_init(), MPV_encode_init(), mxf_get_mpeg2_codec_ul(), new_video_stream(), parse_ffconfig(), qtrle_encode_frame(), roq_encode_frame(), svq1_encode_frame(), video_encode_example(), vp8_init(), X264_init(), and XAVS_init().
Pixel format, see PIX_FMT_xxx.
May be set by the demuxer if known from headers. May be overriden by the decoder if it knows better.
Definition at line 1084 of file avcodec.h.
Referenced by aasc_decode_init(), add_video_stream(), aura_decode_init(), av_find_stream_info(), avcodec_align_dimensions(), avcodec_align_dimensions2(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), avcodec_string(), avs_decode_init(), bethsoftvid_decode_init(), bfi_decode_init(), bfi_read_header(), bmp_decode_frame(), bmp_encode_frame(), bmp_encode_init(), cdg_decode_init(), choose_pixel_fmt(), cinepak_decode_init(), cinvideo_decode_init(), cmv_decode_init(), cyuv_decode_init(), dc1394_read_common(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_slice_header(), dnxhd_decode_frame(), dnxhd_encode_init(), do_video_out(), dv_extract_video_info(), dvvideo_init_encoder(), encode_frame(), encode_init(), encode_init_ls(), encode_picture_lossless(), encode_picture_ls(), escape124_decode_init(), estimate_best_b_count(), ff_cavs_init(), ff_create_schro_frame(), ff_dv_codec_profile(), ff_h263_decode_init(), ff_mjpeg_decode_sof(), ff_mjpeg_encode_picture_header(), ff_pnm_decode_header(), ff_print_debug_info(), ff_raw_read_header(), ff_rv34_decode_init(), ff_vp56_init(), ffm_read_header(), ffm_write_header(), flashsv_decode_init(), flic_decode_frame(), flic_decode_init(), gif_decode_frame(), gif_write_header(), grab_read_header(), gxf_write_header(), gxf_write_mpeg_auxiliary(), gxf_write_umf_media_mpeg(), h261_decode_init(), has_codec_parameters(), idcin_decode_init(), indeo3_decode_init(), init_decoder(), ipvideo_decode_init(), ir2_decode_init(), jpeg_put_comments(), lag_decode_frame(), libdirac_decode_frame(), libdirac_encode_frame(), libdirac_encode_init(), libopenjpeg_decode_frame(), libschroedinger_decode_frame(), libschroedinger_encode_init(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), load_input_picture(), mimic_decode_frame(), mm_decode_init(), mov_get_dv_codec_tag(), mov_get_rawvideo_codec_tag(), mp_decode_init(), MPV_common_init(), MPV_encode_init(), msrle_decode_init(), msvideo1_decode_8bit(), msvideo1_decode_init(), mtv_read_header(), mxf_parse_structural_metadata(), new_video_stream(), open_video(), opt_input_file(), pam_encode_frame(), parse_h264_sdp_line(), parse_source_parameters(), pcx_decode_frame(), pcx_encode_frame(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), pnm_parse(), pre_process_video_frame(), ptx_decode_frame(), qtrle_decode_init(), qtrle_encode_frame(), qtrle_encode_init(), query_formats(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), rawvideo_read_packet(), read_header(), rl2_decode_init(), roq_decode_frame(), roq_decode_init(), rpza_decode_init(), rv10_decode_init(), seqvideo_decode_init(), SetSchroChromaFormat(), show_stream(), siff_parse_vbv1(), smacker_read_header(), smc_decode_init(), sunrast_decode_frame(), svq1_decode_init(), svq1_encode_frame(), svq3_decode_init(), targa_encode_frame(), tgq_decode_init(), tgv_decode_init(), tiff_decode_tag(), tmv_read_header(), tqi_decode_init(), transcode(), truemotion1_decode_header(), txd_decode_frame(), ulti_decode_init(), update_context_from_thread(), v4l2_read_header(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), video_encode_example(), vmdvideo_decode_init(), vp3_decode_init(), vp8_decode_init(), vp8_init(), vqa_decode_init(), write_header(), write_video_frame(), x11grab_read_header(), X264_init(), xan_decode_init(), xiph_parse_fmtp_pair(), yop_decode_init(), yuv4_read_header(), and yuv4_read_packet().
void(* AVCodecContext::draw_horiz_band)(struct AVCodecContext *s, const AVFrame *src, int offset[4], int y, int type, int height) |
If non NULL, 'draw_horiz_band' is called by the libavcodec decoder to draw a horizontal band.
It improves cache usage. Not all codecs can do that. You must check the codec capabilities beforehand. When multithreading is used, it may be called from multiple threads at the same time; threads might draw different parts of the same AVFrame, or multiple AVFrames, and there is no guarantee that slices will be drawn in order. The function is also used by hardware acceleration APIs. It is called at least once during frame decoding to pass the data needed for hardware render. In that mode instead of pixel data, AVFrame points to a structure specific to the acceleration API. The application reads the structure and can change some fields to indicate progress or mark state.
height | the height of the slice | |
y | the y position of the slice | |
type | 1->top field, 2->bottom field, 3->frame | |
offset | offset into the AVFrame.data from which the slice should be read |
Referenced by ff_draw_horiz_band(), ff_init_block_index(), MPV_decode_mb_internal(), update_context_from_user(), and vp3_draw_horiz_band().
samples per second
Definition at line 1122 of file avcodec.h.
Referenced by aac_decode_frame_int(), aac_decode_init(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), add_audio_stream(), add_av_stream(), add_codec(), adx_decode_header(), adx_encode_header(), aea_read_header(), aiff_read_header(), aiff_write_header(), alac_encode_init(), amr_decode_fix_avctx(), amr_read_header(), apc_read_header(), ape_read_header(), atrac3_decode_init(), au_read_header(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_read_packet(), audio_write_header(), av_find_stream_info(), av_write_header(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), choose_sample_rate(), cin_read_header(), compute_frame_duration(), compute_status(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), decode_frame(), decode_init(), decode_ppc(), decode_stream_header(), decode_wave_header(), do_audio_out(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), Faac_encode_init(), ff_aac_ac3_parse(), ff_flac_parse_streaminfo(), ff_mov_read_stsd_entries(), ff_mp4_read_dec_config_descr(), ff_parse_specific_params(), ff_psy_preprocess_init(), ff_raw_read_header(), ff_rtp_get_codec_info(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_encode_init(), flac_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), flv_write_header(), fourxm_read_header(), g722_init(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_best_header(), get_bit_rate(), get_codec_data(), get_sindex(), gsm_init(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), init_bitstream_params(), ipmovie_read_header(), iss_read_header(), libgsm_init(), libspeex_decode_init(), lxf_read_header(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mov_read_trak(), mov_write_esds_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mpegts_write_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_wav_common(), mxg_read_header(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), ogg_write_header(), oggvorbis_encode_frame(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_packet(), parse_adts_frame_header(), parse_ffconfig(), pcm_bluray_parse_header(), pcm_read_seek(), psy_3gpp_init(), qcp_read_header(), qdm2_decode_init(), r3d_read_reda(), read_desc_chunk(), read_header(), read_major_sync(), read_specific_config(), rl2_read_header(), rm_read_audio_stream_info(), rm_write_header(), roq_dpcm_encode_init(), roq_read_packet(), rso_read_header(), rso_write_header(), rtp_parse_open(), rtp_write_header(), rv10_write_header(), search_for_quantizers_twoloop(), seq_read_header(), show_stream(), smacker_read_header(), sol_read_header(), sox_read_header(), sox_write_header(), spdif_read_packet(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tmv_read_header(), transcode(), tta_decode_init(), tta_read_header(), twin_decode_frame(), twin_decode_init(), validate_options(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_header(), vqf_read_header(), wc3_read_header(), wmavoice_decode_init(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), xa_read_header(), and yop_read_header().
number of audio channels
Definition at line 1123 of file avcodec.h.
Referenced by aac_decode_frame_int(), aac_encode_frame(), aac_encode_init(), ac3_decode_frame(), ac3_decode_init(), add_audio_stream(), add_av_stream(), add_codec(), adpcm_decode_frame(), adpcm_decode_init(), adx_decode_frame(), adx_decode_header(), adx_encode_frame(), adx_encode_header(), adx_encode_init(), aea_read_header(), aiff_write_header(), alac_decode_init(), alac_encode_frame(), alac_encode_init(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), apc_read_header(), ape_decode_frame(), ape_decode_init(), ape_read_header(), apply_window_and_mdct(), atrac1_decode_init(), atrac3_decode_init(), au_read_header(), au_read_packet(), audio_decode_frame(), audio_encode_example(), audio_read_header(), audio_write_header(), av_find_stream_info(), av_write_header(), avcodec_open(), avcodec_string(), avisynth_read_header(), bfi_read_header(), cdata_read_header(), cin_read_header(), compute_status(), construct_perm_table(), cook_decode_init(), create_audio_stream(), create_vorbis_context(), daud_header(), daud_write_header(), dca_decode_frame(), dca_decode_init(), dec_gain(), decode_extension_payload(), decode_frame(), decode_init(), decode_ppc(), decode_stream_header(), decode_wave_header(), decoder_init(), do_audio_out(), dpcm_decode_init(), dv_extract_audio_info(), dv_init_mux(), ea_read_header(), encode_init(), Faac_encode_frame(), Faac_encode_init(), ff_aac_ac3_parse(), ff_audio_interleave_init(), ff_flac_parse_streaminfo(), ff_mov_read_stsd_entries(), ff_mp4_read_dec_config_descr(), ff_psy_init(), ff_psy_preprocess(), ff_psy_preprocess_end(), ff_psy_preprocess_init(), ff_raw_read_header(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_wma_init(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_encode_init(), flic_read_header(), flv_read_packet(), flv_write_header(), fourxm_read_header(), g722_init(), g726_init(), get_aiff_header(), get_audio_clock(), get_audio_flags(), get_audio_frame_size(), get_best_header(), get_bit_rate(), get_codec_data(), get_sindex(), gsm_init(), gxf_write_header(), has_codec_parameters(), idcin_read_header(), iff_read_header(), iff_read_packet(), imc_decode_init(), imdct_output(), init_bitstream_params(), init_mdct_win(), init_sample_buffers(), ipmovie_read_header(), iss_read_header(), iss_read_packet(), lame_window_init(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), lxf_read_header(), mace_decode_frame(), mace_decode_init(), matroska_read_header(), mkv_write_tracks(), mlp_parse(), mmf_read_header(), mov_read_dac3(), mov_write_audio_tag(), mov_write_header(), mov_write_uuidprof_tag(), mp3_header_compress(), mp3_header_decompress(), MP3lame_encode_init(), MPA_encode_init(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpegaudio_parse(), mpegps_read_packet(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), mxg_read_header(), new_audio_stream(), nsv_read_chunk(), nut_read_header(), oggvorbis_init_encoder(), ogm_dshow_header(), ogm_header(), oma_read_header(), open_audio(), opt_input_file(), output_configure(), output_packet(), parse_ffconfig(), parse_mpeg1waveformatex(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_encode_init(), pcm_read_seek(), psy_3gpp_init(), psy_3gpp_window(), put_audio_specific_config(), qcp_read_header(), qdm2_decode_init(), r3d_read_red1(), ra144_encode_init(), raw_read_packet(), read_and_decode_spectrum(), read_channel_data(), read_desc_chunk(), read_frame_data(), read_header(), read_packet(), read_restart_header(), read_specific_config(), revert_channel_correlation(), rl2_read_header(), rm_read_audio_stream_info(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_read_packet(), rso_read_header(), rso_write_header(), rtp_write_packet(), rv10_write_header(), search_for_quantizers_twoloop(), seq_read_header(), show_stream(), smacker_read_header(), smka_decode_init(), sol_read_header(), sox_read_header(), sox_write_header(), speex_header(), str_read_packet(), stream_component_open(), stream_cycle_channel(), swf_write_header(), synchronize_audio(), thp_read_header(), tmv_read_header(), transcode(), tta_decode_init(), tta_read_header(), twin_decode_frame(), twin_decode_init(), update_sample_display(), validate_options(), vid_read_header(), vid_read_packet(), video_audio_display(), vmd_read_header(), vmdaudio_decode_init(), vmdaudio_loadsound(), voc_get_packet(), voc_write_packet(), vorbis_decode_init(), vorbis_encode_init(), vorbis_header(), vorbis_parse_setup_hdr_residues(), vqf_read_header(), wavpack_decode_block(), wavpack_decode_frame(), wavpack_decode_init(), wc3_read_header(), write_audio_frame(), write_compressed_frame(), write_frame_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), wv_unpack_mono(), wv_unpack_stereo(), xa_read_header(), xa_read_packet(), and yop_read_header().
audio sample format
Definition at line 1130 of file avcodec.h.
Referenced by aac_decode_init(), ac3_decode_init(), add_audio_stream(), adpcm_decode_init(), adx_decode_init(), alac_decode_frame(), alac_encode_init(), amr_decode_fix_avctx(), amrnb_decode_init(), amrwb_decode_init(), ape_decode_init(), atrac1_decode_init(), atrac3_decode_init(), audio_decode_frame(), avcodec_get_context_defaults2(), avcodec_string(), choose_sample_fmt(), cinaudio_decode_init(), cook_decode_init(), dca_decode_init(), decode_frame(), decode_init(), do_audio_out(), dpcm_decode_init(), eightsvx_decode_init(), ffm_read_header(), ffm_write_header(), flac_decode_init(), flac_encode_init(), flic_read_header(), g722_init(), g726_init(), gsm_init(), has_codec_parameters(), imc_decode_init(), libgsm_init(), libspeex_decode_init(), mace_decode_init(), mkv_write_tracks(), mlp_parse(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), output_data(), output_packet(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), qcelp_decode_init(), qdm2_decode_init(), ra144_decode_init(), ra144_encode_init(), ra288_decode_init(), read_major_sync(), roq_dpcm_encode_init(), shorten_decode_init(), sipr_decoder_init(), smka_decode_init(), transcode(), truespeech_decode_init(), tta_decode_init(), twin_decode_init(), vmdaudio_decode_init(), vorbis_decode_init(), wavpack_decode_block(), wavpack_decode_init(), wma_decode_init(), wmavoice_decode_init(), and ws_snd_decode_init().
Samples per packet, initialized when calling 'init'.
Definition at line 1136 of file avcodec.h.
Referenced by aac_decode_frame_int(), aac_encode_init(), ac3_encode_init(), adx_encode_frame(), adx_encode_init(), aiff_read_header(), alac_encode_frame(), alac_encode_init(), alac_entropy_coder(), alac_linear_predictor(), alac_stereo_decorrelation(), amr_decode_fix_avctx(), amr_read_header(), ape_read_header(), asf_read_stream_properties(), audio_encode_example(), av_find_stream_info(), avcodec_decode_audio3(), calc_predictor_params(), create_audio_stream(), decode_init(), decoder_init(), do_audio_out(), dprint_compression_options(), encode_frame(), encode_init(), encode_superframe(), Faac_encode_frame(), Faac_encode_init(), ff_aac_ac3_parse(), ff_mov_read_stsd_entries(), ff_mov_write_packet(), ff_parse_specific_params(), ff_psy_preprocess(), ffm_read_header(), ffm_write_header(), flac_encode_frame(), flac_encode_init(), flac_parse(), g726_init(), get_aiff_header(), get_audio_flags(), get_audio_frame_size(), get_best_header(), gsm_decode_frame(), gsm_init(), has_codec_parameters(), init_frame(), init_sample_buffers(), libgsm_init(), libspeex_decode_frame(), libspeex_decode_init(), mlp_parse(), mov_read_trak(), mov_write_audio_tag(), mov_write_header(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_frame(), MPA_encode_init(), mpegaudio_parse(), mpegts_write_header(), oggvorbis_encode_frame(), oggvorbis_encode_init(), open_audio(), output_packet(), pcm_encode_init(), ra144_encode_init(), rdt_parse_sdp_line(), read_major_sync(), rm_write_header(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), rtp_write_header(), rv10_write_header(), speex_header(), speex_packet(), swf_write_audio(), swf_write_header(), transcode(), vorbis_decode_init(), vorbis_encode_frame(), vorbis_encode_init(), and write_frame_header().
audio or video frame number
Definition at line 1137 of file avcodec.h.
Referenced by aac_encode_frame(), avcodec_decode_audio3(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_open(), bfi_decode_frame(), cook_decode_frame(), decode_frame(), decode_packet(), eightsvx_decode_frame(), flashsv_encode_frame(), h261_decode_frame(), http_prepare_data(), mpeg_decode_frame(), output_packet(), qtrle_encode_frame(), rv10_decode_frame(), svq1_encode_end(), svq1_encode_frame(), twin_decode_frame(), update_context_from_user(), and warn_insufficient_frame_quality().
Number of frames the decoded output will be delayed relative to the encoded input.
Definition at line 1148 of file avcodec.h.
Referenced by MPV_encode_init().
amount of qscale change between easy & hard scenes (0.0-1.0)
Definition at line 1151 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_qscale(), vp8_init(), X264_init(), and XAVS_init().
float AVCodecContext::qblur |
amount of qscale smoothing over time (0.0-1.0)
Definition at line 1152 of file avcodec.h.
Referenced by add_codec(), ff_rate_control_init(), ff_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), X264_init(), and XAVS_init().
minimum quantizer
Definition at line 1159 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), encode_thread(), ff_init_qscale_tab(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), vp8_init(), X264_init(), and XAVS_init().
maximum quantizer
Definition at line 1166 of file avcodec.h.
Referenced by add_codec(), avcodec_string(), compute_status(), dnxhd_encode_rdo(), dnxhd_find_qscale(), dnxhd_init_qmat(), dnxhd_init_rc(), encode_thread(), ff_init_qscale_tab(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), init_pass2(), MPV_encode_init(), parse_ffconfig(), update_qscale(), vp8_init(), X264_init(), and XAVS_init().
maximum quantizer difference between frames
Definition at line 1173 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), parse_ffconfig(), X264_init(), and XAVS_init().
maximum number of B-frames between non-B-frames Note: The output will be delayed by max_b_frames+1 relative to the input.
Definition at line 1181 of file avcodec.h.
Referenced by add_video_stream(), compute_pkt_fields2(), decode_sequence_header_adv(), estimate_best_b_count(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), vaapi_vc1_start_frame(), vc1_decode_init(), vc1_decode_sequence_header(), vc1_parse_frame_header(), video_encode_example(), X264_init(), and XAVS_init().
qscale factor between IP and B-frames If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1190 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), X264_init(), and XAVS_init().
obsolete FIXME remove
Definition at line 1193 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_rate_control_uninit(), and ff_rate_estimate_qscale().
Definition at line 1196 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), select_input_picture(), X264_init(), and XAVS_init().
hurry up amount
1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header
Definition at line 1204 of file avcodec.h.
Referenced by decode_chunks(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), MPV_frame_start(), svq1_decode_frame(), svq3_decode_frame(), update_context_from_user(), and vc1_decode_frame().
struct AVCodec* AVCodecContext::codec [read] |
Definition at line 1206 of file avcodec.h.
Referenced by a64_write_header(), a64_write_packet(), a64multi_init_encoder(), adpcm_decode_frame(), adpcm_decode_init(), av_find_stream_info(), avcodec_close(), avcodec_copy_context(), avcodec_decode_audio3(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_encode_audio(), avcodec_encode_subtitle(), avcodec_encode_video(), avcodec_flush_buffers(), avcodec_open(), close_connection(), common_end(), common_init(), context_to_name(), decode_chunks(), decode_end(), decode_frame(), decode_init(), decode_nal_units(), decode_slice_header(), do_audio_out(), dpcm_decode_frame(), dpcm_decode_init(), eightsvx_decode_init(), encode_init(), execute_decode_slices(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), ff_thread_get_buffer(), ff_thread_init(), ff_vdpau_mpeg4_decode_picture(), ff_vp56_init(), ff_wma_init(), field_end(), frame_thread_free(), frame_thread_init(), frame_worker_thread(), g726_init(), h261_decode_init(), libgsm_init(), mov_write_video_tag(), mpeg_decode_init(), mpeg_get_pixelformat(), MPV_encode_init(), MPV_frame_end(), open_parser(), output_packet(), pcm_decode_frame(), pcm_decode_init(), pcm_encode_frame(), pcm_encode_init(), show_stream(), submit_packet(), svq1_decode_init(), svq3_decode_init(), try_decode_frame(), update_context_from_thread(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), validate_thread_parameters(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vp56_add_predictors_dc(), vp56_decode_4mv(), vp6_decode_init(), wma_decode_init(), write_frame(), and xan_decode_frame().
Definition at line 1208 of file avcodec.h.
Referenced by a64multi_close_encoder(), a64multi_encode_frame(), a64multi_init_encoder(), aac_decode_close(), aac_decode_frame_int(), aac_decode_init(), aac_encode_end(), aac_encode_frame(), aac_encode_init(), aasc_decode_end(), aasc_decode_frame(), aasc_decode_init(), ac3_decode_end(), ac3_decode_frame(), ac3_decode_init(), ac3_encode_close(), ac3_encode_frame(), ac3_encode_init(), adpcm_decode_frame(), adpcm_decode_init(), adx_decode_frame(), adx_encode_frame(), alac_decode_close(), alac_decode_frame(), alac_decode_init(), alac_encode_close(), alac_encode_frame(), alac_encode_init(), allocate_buffers(), allocate_tables(), amrnb_decode_frame(), amrnb_decode_init(), amrwb_decode_frame(), amrwb_decode_init(), ape_decode_close(), ape_decode_frame(), ape_decode_init(), ape_flush(), apply_window_and_mdct(), atrac1_decode_end(), atrac1_decode_frame(), atrac1_decode_init(), atrac3_decode_close(), atrac3_decode_frame(), atrac3_decode_init(), aura_decode_end(), aura_decode_frame(), aura_decode_init(), avcodec_close(), avcodec_copy_context(), avcodec_get_context_defaults3(), avcodec_open(), avs_decode_frame(), bethsoftvid_decode_end(), bethsoftvid_decode_frame(), bethsoftvid_decode_init(), bfi_decode_close(), bfi_decode_frame(), bfi_decode_init(), bmp_decode_end(), bmp_decode_frame(), bmp_decode_init(), bmp_encode_frame(), bmp_encode_init(), cavs_decode_frame(), cavs_flush(), cdg_decode_end(), cdg_decode_frame(), cdg_decode_init(), cinaudio_decode_frame(), cinaudio_decode_init(), cinepak_decode_end(), cinepak_decode_frame(), cinepak_decode_init(), cinvideo_decode_end(), cinvideo_decode_frame(), cinvideo_decode_init(), close_decoder(), cmv_decode_end(), cmv_decode_frame(), cmv_decode_init(), codec_reinit(), codecctl_int(), commit_bitstream_and_slice_buffer(), common_end(), common_init(), common_init_after_header(), cook_decode_close(), cook_decode_frame(), cook_decode_init(), cyuv_decode_end(), cyuv_decode_frame(), cyuv_decode_init(), dca_decode_end(), dca_decode_frame(), dca_decode_init(), decode_chunks(), decode_close(), decode_end(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_packet(), decode_slice(), decode_tag(), decoder_init(), determine_bitrate(), display_end_segment(), dnxhd_calc_bits_thread(), dnxhd_decode_close(), dnxhd_decode_frame(), dnxhd_decode_init(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_encode_picture(), dnxhd_encode_thread(), dnxhd_mb_var_thread(), dnxhd_write_header(), dpcm_decode_frame(), dpcm_decode_init(), draw_char(), dv_decode_video_segment(), dv_encode_video_segment(), dvbsub_close_decoder(), dvbsub_decode(), dvbsub_display_end_segment(), dvbsub_encode(), dvbsub_init_decoder(), dvbsub_parse_clut_segment(), dvbsub_parse_display_definition_segment(), dvbsub_parse_object_segment(), dvbsub_parse_page_segment(), dvbsub_parse_pixel_data_block(), dvbsub_parse_region_segment(), dvvideo_close(), dvvideo_init(), eightsvx_decode_frame(), eightsvx_decode_init(), encode_close(), encode_end(), encode_frame(), encode_init(), encode_init_ls(), encode_nals(), encode_picture_lossless(), encode_picture_ls(), encode_superframe(), end_frame(), erase_line(), erase_screen(), escape124_decode_close(), escape124_decode_frame(), escape124_decode_init(), execute_code(), Faac_encode_close(), Faac_encode_frame(), Faac_encode_init(), ff_cavs_end(), ff_cavs_init(), ff_h263_decode_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_h264_decode_end(), ff_h264_decode_init(), ff_mjpeg_decode_end(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_init(), ff_mpeg_flush(), ff_msmpeg4_decode_init(), ff_pnm_end(), ff_pnm_init(), ff_rv34_decode_end(), ff_rv34_decode_frame(), ff_rv34_decode_init(), ff_vdpau_h264_picture_complete(), ff_vdpau_h264_picture_start(), ff_vdpau_h264_set_reference_frames(), ff_vdpau_vc1_decode_picture(), ff_vp56_decode_frame(), ff_vp56_free(), ff_vp56_init(), ff_wma_end(), ff_wma_init(), fill_slice(), fill_slice_long(), flac_decode_close(), flac_decode_frame(), flac_decode_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flashsv_decode_end(), flashsv_decode_frame(), flashsv_decode_init(), flashsv_encode_end(), flashsv_encode_frame(), flashsv_encode_init(), flic_decode_end(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), flic_decode_init(), flush(), flush_dpb(), frame_thread_free(), frame_thread_init(), g722_close(), g722_init(), g726_decode_frame(), g726_init(), get_stats(), gif_decode_close(), gif_decode_frame(), gif_decode_init(), gif_encode_close(), gif_encode_frame(), gif_encode_init(), gif_image_write_image(), gsm_decode_block(), h261_decode_end(), h261_decode_frame(), h261_decode_init(), hscroll(), idcin_decode_end(), idcin_decode_frame(), idcin_decode_init(), imc_decode_close(), imc_decode_frame(), imc_decode_init(), indeo3_decode_end(), indeo3_decode_frame(), indeo3_decode_init(), ipvideo_decode_end(), ipvideo_decode_frame(), ipvideo_decode_init(), ir2_decode_end(), ir2_decode_frame(), ir2_decode_init(), iv_decode_frame(), lag_decode_end(), lag_decode_frame(), lag_decode_init(), latm_decode_frame(), latm_decode_init(), libdirac_decode_close(), libdirac_decode_frame(), libdirac_decode_init(), libdirac_encode_close(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), libopenjpeg_decode_init(), libschroedinger_decode_close(), libschroedinger_decode_frame(), libschroedinger_decode_init(), libschroedinger_encode_close(), libschroedinger_encode_frame(), libschroedinger_encode_init(), libschroedinger_flush(), libschroedinger_frame_from_data(), libschroedinger_handle_first_access_unit(), libspeex_decode_close(), libspeex_decode_frame(), libspeex_decode_init(), log_encoder_error(), mace_decode_frame(), mdec_common_init(), mimic_decode_end(), mimic_decode_frame(), mimic_decode_init(), mjpegb_decode_frame(), mlp_decode_init(), mm_decode_end(), mm_decode_frame(), mm_decode_init(), MP3lame_encode_close(), MP3lame_encode_frame(), MP3lame_encode_init(), mp_decode_end(), mp_decode_frame(), mp_decode_init(), MPA_encode_frame(), MPA_encode_init(), mpc7_decode_flush(), mpc7_decode_frame(), mpc7_decode_init(), mpc8_decode_frame(), mpc8_decode_init(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_end(), mpeg_decode_frame(), mpeg_decode_gop(), mpeg_decode_init(), mpeg_decode_postinit(), mpeg_get_pixelformat(), MPV_encode_end(), MPV_encode_init(), MPV_encode_picture(), msrle_decode_end(), msrle_decode_frame(), msrle_decode_init(), msvideo1_decode_end(), msvideo1_decode_frame(), msvideo1_decode_init(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), oggvorbis_init_encoder(), pam_encode_frame(), parse_palette_segment(), parse_picture_segment(), parse_presentation_segment(), pcm_decode_frame(), pcm_decode_init(), pcx_decode_frame(), pcx_encode_frame(), pcx_encode_init(), pcx_end(), pcx_init(), png_dec_end(), png_dec_init(), png_enc_init(), pnm_decode_frame(), pnm_encode_frame(), ptx_decode_frame(), ptx_end(), ptx_init(), put_audio_specific_config(), qcelp_decode_frame(), qcelp_decode_init(), qdm2_decode_close(), qdm2_decode_frame(), qdm2_decode_init(), qtrle_decode_end(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_end(), qtrle_encode_frame(), qtrle_encode_init(), queue_frames(), ra144_decode_frame(), ra144_decode_init(), ra144_encode_close(), ra144_encode_frame(), ra144_encode_init(), ra288_decode_frame(), raw_close_decoder(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_access_unit(), read_huffman_tree(), release_buffer(), render_charset(), rl2_decode_end(), rl2_decode_frame(), rl2_decode_init(), roq_decode_end(), roq_decode_frame(), roq_decode_init(), roq_dpcm_encode_frame(), roq_dpcm_encode_init(), roq_encode_end(), roq_encode_frame(), roq_encode_init(), rpza_decode_end(), rpza_decode_frame(), rpza_decode_init(), rv10_decode_end(), rv10_decode_frame(), rv10_decode_init(), rv10_decode_packet(), rv30_decode_init(), rv40_decode_init(), seqvideo_decode_end(), seqvideo_decode_frame(), seqvideo_decode_init(), set_context_opts(), SetSchroChromaFormat(), sgi_end(), sgi_init(), shorten_decode_close(), shorten_decode_frame(), shorten_decode_init(), shorten_flush(), sipr_decode_frame(), sipr_decoder_init(), slice_end(), smc_decode_end(), smc_decode_frame(), smc_decode_init(), start_frame(), submit_stats(), sunrast_decode_frame(), sunrast_end(), sunrast_init(), svq1_decode_end(), svq1_decode_frame(), svq1_decode_init(), svq1_encode_end(), svq1_encode_frame(), svq1_encode_init(), svq3_decode_frame(), svq3_decode_init(), synth_frame(), synth_superframe(), targa_encode_init(), targa_end(), targa_init(), tgq_decode_end(), tgq_decode_frame(), tgq_decode_init(), tgv_decode_end(), tgv_decode_frame(), tgv_decode_init(), tiff_end(), tiff_init(), tmv_decode_close(), tmv_decode_frame(), tqi_decode_end(), tqi_decode_frame(), tqi_decode_init(), truemotion1_decode_end(), truemotion1_decode_frame(), truemotion1_decode_init(), truespeech_decode_frame(), tta_decode_close(), tta_decode_frame(), tta_decode_init(), twin_decode_close(), twin_decode_frame(), twin_decode_init(), txd_decode_frame(), txd_end(), txd_init(), ulti_decode_end(), ulti_decode_frame(), ulti_decode_init(), update_frames(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_end_frame(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_end_frame(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), vaapi_vc1_end_frame(), vaapi_vc1_start_frame(), vc1_decode_end(), vc1_decode_frame(), vc1_decode_init(), vcr2_init_sequence(), vmdaudio_decode_frame(), vmdaudio_decode_init(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vmdvideo_decode_init(), vorbis_decode_close(), vorbis_decode_frame(), vorbis_decode_init(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), vp3_decode_end(), vp3_decode_frame(), vp3_decode_init(), vp3_update_thread_context(), vp56_size_changed(), vp5_decode_init(), vp6_decode_free(), vp6_decode_init(), vp8_decode(), vp8_decode_flush(), vp8_decode_frame(), vp8_decode_init(), vp8_encode(), vp8_free(), vp8_init(), vqa_decode_end(), vqa_decode_frame(), vqa_decode_init(), wavpack_decode_block(), wavpack_decode_end(), wavpack_decode_frame(), wavpack_decode_init(), wma_decode_init(), wma_decode_superframe(), wmavoice_decode_end(), wmavoice_decode_init(), wmavoice_decode_packet(), wmavoice_flush(), wmv2_decode_end(), wmv2_decode_init(), wmv2_encode_init(), X264_close(), X264_frame(), X264_init(), xan_decode_chroma(), xan_decode_end(), xan_decode_frame(), xan_decode_frame_type0(), xan_decode_frame_type1(), xan_decode_init(), XAVS_close(), XAVS_frame(), XAVS_init(), yop_decode_close(), yop_decode_frame(), and yop_decode_init().
void(* AVCodecContext::rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb) |
Referenced by encode_thread().
number of bits used for the previously encoded frame
Definition at line 1241 of file avcodec.h.
Referenced by aac_encode_frame(), and MPV_encode_picture().
void* AVCodecContext::opaque |
Private data of the user, can be used to carry app specific stuff.
Definition at line 1248 of file avcodec.h.
Referenced by update_context_from_user().
char AVCodecContext::codec_name[32] |
Definition at line 1250 of file avcodec.h.
Referenced by asf_write_header1(), avcodec_string(), ff_mov_read_stsd_entries(), rm_read_audio_stream_info(), and skeleton_header().
Definition at line 1251 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_codec(), add_dstream(), add_video_stream(), adts_aac_read_header(), aea_read_header(), amr_read_header(), apc_read_header(), ape_read_header(), asf_read_header(), asf_read_stream_properties(), asf_write_header1(), asf_write_packet(), au_read_header(), audio_read_header(), av_find_best_stream(), av_find_default_stream_index(), av_find_stream_info(), av_interleaved_write_frame(), av_read_packet(), av_write_header(), avcodec_get_context_defaults2(), avcodec_open(), avcodec_string(), avi_read_header(), avi_write_counters(), avi_write_header(), avi_write_idx1(), avi_write_ix(), avi_write_packet(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), build_feed_streams(), build_frame_code(), cdata_read_header(), check_audio_video_sub_inputs(), cin_read_header(), compute_bandwidth(), compute_frame_duration(), compute_pkt_fields2(), compute_status(), create_audio_stream(), create_stream(), daud_header(), dc1394_read_common(), decode_stream_header(), dirac_header(), do_video_stats(), dump_stream_format(), dv_assemble_frame(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), ff_asf_parse_packet(), ff_audio_interleave_close(), ff_audio_interleave_init(), ff_audio_rechunk_interleave(), ff_mov_init_hinting(), ff_mov_read_stsd_entries(), ff_parse_specific_params(), ff_raw_audio_read_header(), ff_raw_read_header(), ff_raw_video_read_header(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rtp_get_codec_info(), ffm_read_header(), ffm_write_header(), film_read_header(), flac_header(), flac_read_header(), flic_read_header(), flv_read_metabody(), flv_write_header(), flv_write_packet(), flv_write_trailer(), fourxm_read_header(), get_aiff_header(), get_attachment(), get_bit_rate(), get_sindex(), gif_write_header(), gif_write_packet(), grab_read_header(), gxf_compare_field_nb(), gxf_interleave_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), has_codec_parameters(), http_prepare_data(), idcin_read_header(), iff_read_header(), iff_read_packet(), ipmovie_read_header(), ipod_get_codec_tag(), is_intra_only(), iss_read_header(), ivf_write_header(), lmlm4_read_header(), lxf_read_header(), matroska_read_header(), mkv_write_codecprivate(), mkv_write_packet(), mkv_write_packet_internal(), mkv_write_tracks(), mmf_read_header(), mov_build_index(), mov_create_chapter_track(), mov_get_codec_tag(), mov_read_hdlr(), mov_read_trak(), mov_read_trun(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_hdlr_tag(), mov_write_header(), mov_write_minf_tag(), mov_write_stbl_tag(), mov_write_stsd_tag(), mov_write_stts_tag(), mov_write_tkhd_tag(), mov_write_trak_tag(), mp3_read_header(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg_mux_init(), mpeg_mux_write_packet(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_common_fields(), mxf_write_header(), mxf_write_packet(), mxg_read_header(), nc_read_header(), new_audio_stream(), new_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), nuv_header(), ogg_read_seek(), ogg_write_header(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_input_stream(), opt_input_file(), opt_target(), output_packet(), parse_ffconfig(), print_report(), pva_read_header(), qcp_read_header(), qt_rtp_parse_packet(), r3d_read_red1(), read_desc_chunk(), read_ffserver_streams(), read_header(), read_packet(), rl2_read_header(), rm_read_audio_stream_info(), rm_read_dts(), rm_read_header(), rm_write_header(), rm_write_packet(), roq_read_header(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rso_read_header(), rtp_write_header(), rv10_write_header(), seq_read_header(), set_codec_from_probe_data(), show_packet(), show_stream(), siff_parse_vbv1(), skeleton_header(), smacker_read_header(), sol_read_header(), sox_read_header(), spdif_read_packet(), speex_header(), srt_read_header(), str_read_packet(), stream_component_close(), stream_component_open(), stream_cycle_channel(), swf_read_packet(), swf_write_header(), swf_write_packet(), swf_write_trailer(), theora_header(), thp_read_header(), tmv_read_header(), transcode(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vc1t_read_header(), vfw_read_header(), vid_read_header(), vmd_read_header(), voc_read_header(), voc_write_header(), vorbis_header(), vqf_read_header(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), yop_read_header(), and yuv4_read_header().
Definition at line 1252 of file avcodec.h.
Referenced by add_audio_stream(), add_av_stream(), add_video_stream(), adts_aac_read_header(), aea_read_header(), aiff_write_header(), amr_decode_fix_avctx(), amr_handle_packet(), amr_read_header(), amr_read_packet(), apc_read_header(), ape_read_header(), asf_read_stream_properties(), asf_write_header1(), au_read_header(), au_read_packet(), audio_read_header(), audio_write_header(), av_find_best_stream(), av_find_stream_info(), av_read_frame_internal(), av_read_packet(), av_write_header(), avcodec_align_dimensions2(), avcodec_open(), avcodec_string(), avi_read_header(), avi_write_header(), avi_write_trailer(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), cdata_read_header(), choose_pixel_fmt(), cin_read_header(), commit_bitstream_and_slice_buffer(), compute_pkt_fields(), compute_status(), create_audio_stream(), cyuv_decode_frame(), daud_header(), dc1394_read_common(), decode_end(), decode_frame(), decode_init(), decode_mb(), decode_slice(), decode_stream_header(), dirac_header(), do_subtitle_out(), dsputil_init_mmx(), dv_extract_audio_info(), dv_init_demux(), dv_init_mux(), dxa_read_header(), ea_read_header(), encode_mb(), estimate_best_b_count(), extract_mpeg4_header(), ff_aac_ac3_parse(), ff_asf_parse_packet(), ff_audio_interleave_init(), ff_h264_decode_init(), ff_init_me(), ff_mjpeg_decode_frame(), ff_mjpeg_encode_picture_header(), ff_mov_read_stsd_entries(), ff_mov_write_packet(), ff_mp4_read_dec_config_descr(), ff_mpa_decode_header(), ff_parse_mpeg2_descriptor(), ff_pnm_decode_header(), ff_psy_init(), ff_raw_audio_read_header(), ff_raw_read_header(), ff_raw_video_read_header(), ff_rm_parse_packet(), ff_rm_read_mdpr_codecdata(), ff_rm_retrieve_cache(), ff_rtp_get_codec_info(), ff_rtp_get_payload_type(), ff_rv34_decode_init(), ffm_read_header(), ffm_write_header(), ffserver_opt_preset(), film_read_header(), find_expected_header(), find_stream_in_feed(), flac_header(), flac_read_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), flv_write_trailer(), fourxm_read_header(), get_aiff_header(), get_attachment(), get_audio_flags(), get_audio_frame_size(), get_bit_rate(), get_codec_data(), get_packet_header(), get_sindex(), grab_read_header(), gsm_decode_frame(), gsm_init(), gxf_packet(), gxf_write_header(), gxf_write_media_preamble(), gxf_write_packet(), gxf_write_umf_media_description(), gxf_write_umf_media_mpeg(), has_codec_parameters(), has_decode_delay_been_guessed(), idcin_read_header(), iff_read_header(), imx_dump_header(), ipmovie_read_header(), ipod_get_codec_tag(), is_intra_only(), iss_read_header(), ivf_write_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), lmlm4_read_header(), lxf_read_header(), lxf_read_packet(), mace_decode_frame(), matroska_parse_block(), matroska_read_header(), mjpega_dump_header(), mkv_write_block(), mkv_write_codecprivate(), mkv_write_packet_internal(), mkv_write_tracks(), mmf_read_header(), mov_find_codec_tag(), mov_get_codec_tag(), mov_read_enda(), mov_read_hdlr(), mov_read_trak(), mov_read_wave(), mov_write_audio_tag(), mov_write_esds_tag(), mov_write_ftyp_tag(), mov_write_header(), mov_write_uuidprof_tag(), mov_write_video_tag(), mov_write_wave_tag(), movie_init(), mp3_read_header(), mp4_get_codec_tag(), mpc8_read_header(), mpc_read_header(), mpeg1_decode_sequence(), mpeg_decode_postinit(), mpeg_decode_sequence_extension(), mpeg_get_pixelformat(), mpeg_mux_init(), mpegps_read_packet(), mpegts_find_stream_type(), mpegts_push_data(), mpegts_read_header(), mpegts_set_stream_info(), mpegts_write_header(), mpegts_write_packet(), mpegts_write_pes(), mpegts_write_pmt(), mpegvideo_extract_headers(), MPV_encode_init(), msnwc_tcp_read_header(), mtv_read_header(), mxf_parse_structural_metadata(), mxf_write_d10_audio_packet(), mxf_write_generic_sound_common(), mxf_write_header(), mxf_write_packet(), mxg_read_header(), nc_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nsv_read_chunk(), nut_read_header(), nuv_header(), ogg_buffer_data(), ogg_write_header(), ogg_write_packet(), ogg_write_trailer(), ogm_dshow_header(), ogm_header(), old_dirac_header(), old_flac_header(), oma_read_header(), open_audio(), open_input_file(), open_parser(), open_video(), output_packet(), parse(), parse_ffconfig(), parse_fmtp(), parse_media_type(), parse_mpeg1waveformatex(), pcm_decode_frame(), pcm_read_seek(), put_xiph_codecpriv(), pva_read_header(), qcp_read_header(), qdm2_parse_packet(), r3d_read_red1(), raw_read_packet(), rdt_parse_packet(), rdt_parse_sdp_line(), read_access_unit(), read_desc_chunk(), read_ffserver_streams(), read_header(), read_kuki_chunk(), read_major_sync(), read_matrix_params(), read_packet(), read_restart_header(), remove_extradata(), rl2_read_header(), rm_ac3_swap_bytes(), rm_read_audio_stream_info(), rm_write_audio(), roq_read_header(), roq_read_packet(), rpl_read_header(), rso_read_header(), rso_read_packet(), rso_write_header(), rtp_parse_open(), rtp_parse_packet_internal(), rtp_write_header(), rtp_write_packet(), rv10_decode_init(), rv10_write_header(), sdp_parse_fmtp_config_h264(), seq_read_header(), set_codec_from_probe_data(), show_stream(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), sox_read_header(), sox_write_header(), sox_write_trailer(), sp5x_decode_frame(), spdif_read_packet(), spdif_write_header(), speex_header(), srt_read_header(), str_read_packet(), stream_component_open(), svq3_parse_packet(), swf_read_packet(), swf_write_header(), swf_write_video(), tb_unreliable(), theora_header(), thp_read_header(), tmv_read_header(), transcode(), try_decode_frame(), tta_read_header(), txd_read_header(), v4l2_read_header(), vaapi_vc1_decode_slice(), validate_codec_tag(), vc1_decode_frame(), vc1_decode_init(), vc1t_read_header(), vc1test_write_header(), vcr2_init_sequence(), vfw_read_header(), vid_read_header(), vmd_read_header(), voc_get_packet(), vorbis_header(), vqf_read_header(), wc3_read_header(), write_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), x11grab_read_header(), xa_read_header(), yop_read_header(), and yuv4_read_header().
unsigned int AVCodecContext::codec_tag |
fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs. A demuxer should set this to what is stored in the field used to identify the codec. If there are multiple such fields in a container then the demuxer should choose the one which maximizes the information about the used codec. If the codec tag field in a container is larger then 32 bits then the demuxer should remap the longer ID to 32 bits with a table or other structure. Alternatively a new extra_codec_tag + size could be added but for this a clear advantage must be demonstrated first.
Definition at line 1267 of file avcodec.h.
Referenced by a64multi_init_encoder(), aiff_write_header(), amr_read_header(), ape_read_header(), asf_read_stream_properties(), asf_write_header1(), au_read_header(), av_find_stream_info(), av_write_header(), avcodec_string(), avi_read_header(), avi_write_header(), avisynth_read_header(), cdata_read_header(), cin_read_header(), daud_header(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_stream_header(), dpcm_decode_frame(), dpcm_decode_init(), ea_read_header(), ff_mjpeg_decode_sos(), ff_mov_init_hinting(), ff_mov_read_stsd_entries(), ff_parse_mpeg2_descriptor(), ff_rm_read_mdpr_codecdata(), ffm_read_header(), ffm_write_header(), film_read_header(), flic_read_header(), flv_set_audio_codec(), flv_set_video_codec(), flv_write_header(), flv_write_packet(), fourxm_read_header(), get_aiff_header(), get_audio_flags(), get_codec_data(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), ipod_get_codec_tag(), ivf_write_header(), lxf_read_header(), matroska_read_header(), mkv_write_codecprivate(), mov_find_codec_tag(), mov_get_codec_tag(), mov_get_rawvideo_codec_tag(), mov_write_hdlr_tag(), mov_write_ms_tag(), mov_write_stbl_tag(), mov_write_stsd_tag(), mp4_get_codec_tag(), mpeg_decode_frame(), mpegts_set_stream_info(), MPV_common_init(), msnwc_tcp_read_header(), new_audio_stream(), new_subtitle_stream(), new_video_stream(), nsv_parse_NSVs_header(), nut_read_header(), ogm_header(), oma_read_header(), parse_ffconfig(), pmt_cb(), raw_decode(), raw_encode(), raw_init_decoder(), raw_init_encoder(), read_desc_chunk(), read_header(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_header(), roq_read_packet(), rpl_read_header(), rpl_read_packet(), rso_read_header(), rso_write_header(), rv10_write_header(), seq_read_header(), show_stream(), siff_parse_vbv1(), smacker_read_header(), sol_read_header(), str_read_packet(), thp_read_header(), transcode(), validate_codec_tag(), vmd_read_header(), voc_write_packet(), vp3_decode_init(), wc3_read_header(), write_streamheader(), wsaud_read_header(), wsvqa_read_header(), and xsub_encoder_init().
Work around bugs in encoders which sometimes cannot be detected automatically.
Definition at line 1274 of file avcodec.h.
Referenced by ff_h263_decode_init(), ff_h264_decode_init(), ff_mpeg4_set_direct_mv(), and stream_component_open().
luma single coefficient elimination threshold
Definition at line 1298 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
chroma single coeff elimination threshold
Definition at line 1305 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and parse_ffconfig().
strictly follow the standard (MPEG4, .
..).
Definition at line 1319 of file avcodec.h.
Referenced by choose_pixel_fmt(), decode_frame(), encode_init(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), find_frame_rate_index(), libgsm_init(), mov_get_codec_tag(), mp3_header_compress(), MPV_encode_init(), parse_ffconfig(), and validate_codec_tag().
qscale offset between IP and B-frames
Definition at line 1334 of file avcodec.h.
Referenced by add_codec(), ff_xvid_rate_estimate_qscale(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), and get_qscale().
Error recognization; higher values will detect more errors but may misdetect some more or less valid parts as errors.
Definition at line 1342 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), decode_frame(), decode_init(), execute_decode_slices(), h261_decode_gob_header(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_slice(), MPV_frame_start(), read_specific_config(), and stream_component_open().
int(* AVCodecContext::get_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of each frame to get a buffer for it.
If pic.reference is set then the frame will be read later by libavcodec. avcodec_align_dimensions2() should be used to find the required width and height, as they normally need to be rounded up to the next multiple of 16. if CODEC_CAP_DR1 is not set then get_buffer() must call avcodec_default_get_buffer() instead of providing buffers allocated by some other means. If frame multithreading is used and thread_safe_callbacks is set, it may be called from a different thread, but not from more than one at once. Does not need to be reentrant.
Referenced by alloc_frame_buffer(), aura_decode_frame(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bfi_decode_frame(), bmp_decode_frame(), cdg_decode_frame(), cmv_decode_frame(), common_init(), cyuv_decode_frame(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_pic(), dnxhd_decode_frame(), escape124_decode_frame(), execute_code(), ff_mjpeg_decode_sof(), ff_thread_get_buffer(), ff_vp56_decode_frame(), frame_start(), gif_decode_frame(), idcin_decode_frame(), indeo3_decode_frame(), ipvideo_decode_frame(), lag_decode_frame(), libopenjpeg_decode_frame(), mimic_decode_frame(), mm_decode_init(), pcx_decode_frame(), pnm_decode_frame(), ptx_decode_frame(), rl2_decode_frame(), roq_encode_frame(), submit_packet(), sunrast_decode_frame(), svq1_encode_frame(), tgq_decode_frame(), tiff_decode_tag(), tmv_decode_frame(), tqi_decode_frame(), txd_decode_frame(), ulti_decode_frame(), update_context_from_user(), vmdvideo_decode_frame(), vp8_decode_frame(), vqa_decode_frame(), xan_decode_frame(), and yop_decode_frame().
void(* AVCodecContext::release_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called to release buffers which were allocated with get_buffer.
A released buffer can be reused in get_buffer(). pic.data[*] must be set to NULL. May be called from a different thread if frame multithreading is used, but not by more than one thread at once, so does not need to be reentrant.
Referenced by aasc_decode_end(), aura_decode_end(), aura_decode_frame(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), bethsoftvid_decode_end(), bfi_decode_close(), bfi_decode_frame(), bmp_decode_end(), bmp_decode_frame(), cavs_decode_frame(), cdg_decode_end(), cdg_decode_frame(), cinepak_decode_end(), cinvideo_decode_end(), cmv_decode_end(), cmv_decode_frame(), common_end(), cyuv_decode_end(), cyuv_decode_frame(), decode_close(), decode_end(), decode_frame(), decode_pic(), dnxhd_decode_close(), dnxhd_decode_frame(), dvvideo_close(), escape124_decode_close(), escape124_decode_frame(), execute_code(), ff_mjpeg_decode_end(), ff_mjpeg_decode_sof(), ff_pnm_end(), ff_thread_release_buffer(), ff_vp56_decode_frame(), ff_vp56_free(), flashsv_decode_end(), flashsv_decode_frame(), flic_decode_end(), free_frame_buffer(), gif_decode_close(), gif_decode_frame(), idcin_decode_end(), idcin_decode_frame(), indeo3_decode_frame(), ipvideo_decode_end(), ipvideo_decode_frame(), ir2_decode_end(), ir2_decode_frame(), lag_decode_end(), lag_decode_frame(), libopenjpeg_decode_close(), libopenjpeg_decode_frame(), mimic_decode_end(), mimic_decode_frame(), mm_decode_end(), mp_decode_end(), msrle_decode_end(), msvideo1_decode_end(), pcx_decode_frame(), pcx_end(), png_dec_end(), pnm_decode_frame(), ptx_decode_frame(), ptx_end(), qtrle_decode_end(), release_buffer(), rl2_decode_end(), rl2_decode_frame(), roq_decode_end(), roq_encode_end(), rpza_decode_end(), select_input_picture(), seqvideo_decode_end(), sgi_end(), smc_decode_end(), sunrast_decode_frame(), sunrast_end(), targa_end(), tgq_decode_end(), tgq_decode_frame(), tiff_decode_tag(), tiff_end(), tmv_decode_close(), tmv_decode_frame(), tqi_decode_end(), tqi_decode_frame(), truemotion1_decode_end(), truemotion1_decode_header(), txd_decode_frame(), txd_end(), ulti_decode_end(), ulti_decode_frame(), update_context_from_user(), vmdvideo_decode_end(), vmdvideo_decode_frame(), vp8_decode_flush(), vp8_decode_frame(), vqa_decode_end(), vqa_decode_frame(), xan_decode_end(), xan_decode_frame(), yop_decode_close(), and yop_decode_frame().
Size of the frame reordering buffer in the decoder.
For MPEG-2 it is 1 IPB or 0 low delay IP.
Definition at line 1381 of file avcodec.h.
Referenced by compute_pkt_fields(), compute_pkt_fields2(), decode_frame(), decode_nal_units(), decode_stream_header(), dirac_combine_frame(), ff_h263_decode_frame(), ff_h264_decode_init(), ff_mpeg4_decode_picture_header(), ff_rv34_decode_init(), has_decode_delay_been_guessed(), libdirac_decode_frame(), libdirac_encode_init(), libschroedinger_decode_frame(), libschroedinger_encode_init(), mov_build_index(), mpeg_decode_postinit(), mpegvideo_extract_headers(), MPV_encode_init(), mxf_get_mpeg2_codec_ul(), nut_read_header(), rv10_decode_init(), rv20_decode_picture_header(), show_stream(), svq1_decode_init(), svq3_decode_init(), transcode(), update_context_from_thread(), update_initial_durations(), vc1_decode_init(), vcr2_init_sequence(), write_streamheader(), X264_init(), and XAVS_init().
number of bytes per packet if constant and known or 0 Used by some WAV based audio codecs.
Definition at line 1387 of file avcodec.h.
Referenced by adpcm_decode_frame(), aea_read_header(), aea_read_packet(), aiff_read_header(), aiff_read_packet(), aiff_write_header(), aiff_write_trailer(), apc_read_header(), asf_write_header1(), atrac1_decode_frame(), atrac3_decode_frame(), atrac3_decode_init(), av_write_header(), avi_read_header(), avi_write_packet(), avisynth_read_header(), cin_read_header(), cook_decode_frame(), cook_decode_init(), daud_header(), decode_init(), decode_packet(), decode_wave_header(), dxa_read_header(), ea_read_header(), encode_init(), ff_mov_read_stsd_entries(), ff_parse_specific_params(), ff_raw_read_header(), ff_rm_parse_packet(), ff_rm_retrieve_cache(), ff_wma_init(), film_read_header(), flic_read_header(), fourxm_read_header(), get_aiff_header(), get_sindex(), gsm_decode_frame(), gsm_init(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), iss_read_header(), libgsm_decode_frame(), libgsm_encode_frame(), libgsm_init(), matroska_parse_block(), matroska_read_header(), mov_write_header(), mxf_write_d10_audio_packet(), mxf_write_wav_common(), mxg_read_header(), oma_read_header(), oma_read_packet(), pcm_encode_init(), pcm_read_seek(), ra288_decode_frame(), raw_read_packet(), read_desc_chunk(), rl2_read_header(), rm_read_audio_stream_info(), roq_read_packet(), seq_read_header(), sox_read_header(), sox_read_packet(), str_read_packet(), transcode(), tta_decode_init(), vmd_read_header(), vmdaudio_decode_frame(), vmdaudio_decode_init(), vmdaudio_loadsound(), wc3_read_header(), wmavoice_decode_init(), wmavoice_decode_packet(), wsaud_read_header(), wsvqa_read_header(), and xa_read_header().
0-> h263 quant 1-> mpeg quant
Definition at line 1398 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), and MPV_encode_init().
pass1 encoding statistics output buffer
Definition at line 1405 of file avcodec.h.
Referenced by common_end(), do_video_out(), encode_close(), ff_write_pass1_stats(), get_stats(), MPV_common_end(), MPV_common_init(), output_packet(), vp8_encode(), and vp8_free().
char* AVCodecContext::stats_in |
pass2 encoding statistics input buffer Concatenated stuff from stats_out of pass1 should be placed here.
Definition at line 1413 of file avcodec.h.
Referenced by ff_rate_control_init(), submit_stats(), transcode(), and vp8_init().
ratecontrol qmin qmax limiting method 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax.
Definition at line 1421 of file avcodec.h.
Referenced by modify_qscale().
ratecontrol override, see RcOverride
Definition at line 1431 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
Definition at line 1432 of file avcodec.h.
Referenced by avcodec_copy_context(), get_qscale(), and new_video_stream().
const char* AVCodecContext::rc_eq |
rate control equation
Definition at line 1439 of file avcodec.h.
Referenced by add_codec(), avcodec_copy_context(), ff_rate_control_init(), ffm_close(), ffm_read_header(), ffm_write_header(), and get_qscale().
maximum bitrate
Definition at line 1446 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), mpeg1_encode_sequence_header(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), oggvorbis_init_encoder(), parse_ffconfig(), transcode(), vp8_init(), X264_init(), and XAVS_init().
minimum bitrate
Definition at line 1453 of file avcodec.h.
Referenced by ff_vbv_update(), ffm_read_header(), ffm_write_header(), modify_qscale(), mov_write_esds_tag(), MPV_encode_init(), MPV_encode_picture(), oggvorbis_init_encoder(), parse_ffconfig(), and vp8_init().
decoder bitstream buffer size
Definition at line 1460 of file avcodec.h.
Referenced by add_codec(), ff_vbv_update(), ff_xvid_rate_control_init(), ffm_read_header(), ffm_write_header(), init_pass2(), load_input_picture(), modify_qscale(), mov_write_esds_tag(), mpeg1_decode_sequence(), mpeg1_encode_sequence_header(), mpeg_decode_sequence_extension(), mpeg_mux_init(), MPV_encode_init(), MPV_encode_picture(), new_video_stream(), parse_ffconfig(), select_input_picture(), transcode(), vp8_init(), X264_init(), and XAVS_init().
Definition at line 1461 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and modify_qscale().
qscale factor between P and I-frames If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset).
If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
Definition at line 1470 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), get_qscale(), X264_init(), and XAVS_init().
qscale offset between P and I-frames
Definition at line 1477 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), get_diff_limited_q(), get_qminmax(), and get_qscale().
initial complexity for pass1 ratecontrol
Definition at line 1484 of file avcodec.h.
Referenced by ff_rate_control_init().
DCT algorithm, see FF_DCT_* below
Definition at line 1491 of file avcodec.h.
Referenced by dsputil_init(), dsputil_init_bfin(), dsputil_init_ppc(), dsputilenc_init_mmx(), ffm_read_header(), ffm_write_header(), MPV_common_init_altivec(), MPV_common_init_mlib(), MPV_common_init_mmx(), and parse_ffconfig().
luminance masking (0-> disabled)
Definition at line 1505 of file avcodec.h.
Referenced by adaptive_quantization(), MPV_encode_init(), and parse_ffconfig().
temporary complexity masking (0-> disabled)
Definition at line 1512 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
spatial complexity masking (0-> disabled)
Definition at line 1519 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
p block masking (0-> disabled)
Definition at line 1526 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
darkness masking (0-> disabled)
Definition at line 1533 of file avcodec.h.
Referenced by adaptive_quantization(), MPV_encode_init(), and parse_ffconfig().
IDCT algorithm, see FF_IDCT_* below.
Definition at line 1540 of file avcodec.h.
Referenced by calc_intra_matrix(), decode_init(), decode_pic(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_bfin(), dsputil_init_mmi(), dsputil_init_mmx(), dsputil_init_ppc(), dsputil_init_sh4(), dsputil_init_vis(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_neon(), ff_h263_decode_frame(), ff_vp56_init(), MPV_common_init_altivec(), MPV_common_init_mlib(), parse_ffconfig(), render_slice(), stream_component_open(), tgq_calculate_qtable(), tgq_decode_init(), tqi_calculate_qtable(), tqi_decode_init(), update_context_from_thread(), vc1_decode_init(), vcr2_init_sequence(), vp3_decode_init(), and wmv2_decode_init().
slice count
Definition at line 1572 of file avcodec.h.
Referenced by ff_rv34_decode_frame(), get_slice_offset(), rv10_decode_frame(), and update_context_from_thread().
slice offsets in the frame in bytes
Definition at line 1578 of file avcodec.h.
Referenced by avcodec_copy_context(), and get_slice_offset().
error concealment flags
Definition at line 1585 of file avcodec.h.
Referenced by ff_er_frame_end(), guess_mv(), and stream_component_open().
unsigned AVCodecContext::dsp_mask |
dsp_mask could be add used to disable unwanted CPU features CPU features (i.e.
MMX, SSE. ...)
With the FORCE flag you may instead enable given CPU features. (Dangerous: Usable in case of misdetection, improper usage however will result into program crash.)
Definition at line 1597 of file avcodec.h.
Referenced by dsputil_init_mmx(), ff_dsputil_init_iwmmxt(), main(), and update_context_from_user().
bits per sample/pixel from the demuxer (needed for huffyuv).
Definition at line 1623 of file avcodec.h.
Referenced by adpcm_decode_init(), aiff_write_header(), alac_encode_init(), apc_read_header(), ape_decode_init(), ape_read_header(), asf_read_stream_properties(), av_find_stream_info(), avi_read_header(), avisynth_read_header(), avs_read_packet(), bfi_read_header(), bmp_encode_frame(), bmp_encode_init(), cin_read_header(), cinepak_decode_init(), create_audio_stream(), daud_header(), decode_frame_byterun1(), decode_frame_ilbm(), decode_init(), decode_wave_header(), deplanarize(), ea_read_header(), encode_init(), ff_cmap_read_palette(), ff_mov_read_stsd_entries(), ff_raw_read_header(), film_read_header(), flic_read_header(), flv_read_packet(), flv_set_audio_codec(), fourxm_read_header(), g722_init(), get_aiff_header(), get_audio_flags(), get_codec_data(), get_packet_header(), get_sindex(), idcin_read_header(), iff_read_header(), ipmovie_read_header(), ipvideo_decode_init(), iss_read_header(), mmf_read_header(), mov_get_rawvideo_codec_tag(), mov_write_video_tag(), mpc8_read_header(), mpc_read_header(), mpegps_read_packet(), msrle_decode_frame(), msrle_decode_init(), mxf_get_d10_aes3_packet(), mxf_parse_structural_metadata(), mxg_read_header(), nsv_parse_NSVs_header(), nuv_header(), parse_media_type(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), pcm_decode_frame(), pcm_encode_init(), qtrle_decode_frame(), qtrle_decode_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), read_desc_chunk(), read_header(), rl2_read_header(), roq_read_packet(), rpl_read_header(), seq_read_header(), smacker_read_header(), smka_decode_init(), sox_read_header(), tmv_read_header(), tta_decode_init(), tta_read_header(), update_context_from_thread(), vfw_read_header(), vid_read_header(), vid_read_packet(), vmd_read_header(), vmdaudio_decode_init(), vmdaudio_loadsound(), voc_get_packet(), voc_write_packet(), vqf_read_header(), wavpack_decode_init(), wc3_read_header(), wsaud_read_header(), wsvqa_read_header(), wv_read_header(), and xa_read_header().
prediction method (needed for huffyuv)
Definition at line 1630 of file avcodec.h.
Referenced by encode_picture_lossless(), encode_picture_ls(), ff_mjpeg_encode_picture_header(), and png_enc_init().
sample aspect ratio (0 if unknown) That is the width of a pixel divided by the height of the pixel.
Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
Definition at line 1642 of file avcodec.h.
Referenced by add_av_stream1(), av_write_header(), avcodec_get_context_defaults2(), avcodec_string(), decode_sequence_header_adv(), decode_slice_header(), decode_vol_header(), dump_stream_format(), dv_write_pack(), encode_init(), h263_decode_picture_header(), h263_encode_picture_header(), jpeg_put_comments(), mjpeg_decode_app(), mov_write_pasp_tag(), mov_write_tapt_tag(), mov_write_video_tag(), movie_get_frame(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), mpeg_decode_postinit(), MPV_encode_init(), new_video_stream(), opt_input_file(), output_packet(), parse_source_parameters(), show_stream(), truemotion1_decode_header(), update_context_from_thread(), X264_init(), and XAVS_init().
the picture in the bitstream
Definition at line 1649 of file avcodec.h.
Referenced by a64multi_init_encoder(), ac3_encode_close(), ac3_encode_init(), adx_encode_close(), adx_encode_init(), alac_encode_close(), alac_encode_init(), avcodec_close(), bmp_decode_init(), bmp_encode_init(), common_init(), decode_close(), decode_frame(), decode_init(), dnxhd_decode_init(), dnxhd_encode_init(), do_audio_out(), do_video_out(), do_video_stats(), dvvideo_init(), encode_close(), encode_frame(), encode_init(), encode_init_ls(), Faac_encode_close(), Faac_encode_init(), ff_pnm_init(), flac_encode_close(), flac_encode_frame(), flac_encode_init(), flashsv_encode_frame(), g726_close(), g726_init(), gif_decode_init(), gif_encode_init(), libdirac_encode_frame(), libdirac_encode_init(), libgsm_close(), libgsm_init(), libopenjpeg_decode_init(), libschroedinger_encode_frame(), libschroedinger_encode_init(), mdec_common_init(), MP3lame_encode_close(), MP3lame_encode_init(), MPA_encode_close(), MPA_encode_init(), MPV_common_init(), MPV_frame_end(), oggvorbis_encode_close(), oggvorbis_encode_frame(), oggvorbis_encode_init(), output_packet(), pcm_encode_close(), pcm_encode_init(), pcx_encode_init(), pcx_init(), png_enc_init(), print_report(), ptx_init(), qtrle_encode_init(), raw_decode(), raw_init_decoder(), raw_init_encoder(), roq_dpcm_encode_close(), roq_dpcm_encode_init(), roq_encode_video(), sgi_init(), sunrast_init(), svq1_encode_init(), targa_encode_init(), targa_init(), tiff_init(), txd_init(), ulti_decode_init(), update_context_from_thread(), v4l2_read_packet(), vorbis_encode_close(), vorbis_encode_frame(), vorbis_encode_init(), vp8_encode(), vp8_free(), vp8_init(), write_audio_frame(), write_video_frame(), X264_init(), XAVS_init(), and yuv4_read_packet().
debug
Definition at line 1656 of file avcodec.h.
Referenced by avcodec_default_get_buffer(), avcodec_default_release_buffer(), decode_chunks(), decode_ext_header(), decode_frame(), decode_init(), decode_nal_units(), decode_picture_timing(), decode_slice_header(), decode_unregistered_user_data(), decode_vol_header(), decode_vop_header(), ff_alloc_picture(), ff_er_frame_end(), ff_flv_decode_picture_header(), ff_h263_decode_frame(), ff_h263_show_pict_info(), ff_h264_decode_picture_parameter_set(), ff_h264_decode_seq_parameter_set(), ff_h264_execute_ref_pic_marking(), ff_mjpeg_decode_frame(), ff_mjpeg_decode_sos(), ff_mpeg4_decode_picture_header(), ff_print_debug_info(), ff_rate_estimate_qscale(), ff_thread_release_buffer(), ff_vbv_update(), ff_wmv2_decode_secondary_picture_header(), ffm_read_header(), ffm_write_header(), find_short(), libdirac_decode_init(), libdirac_encode_init(), libschroedinger_decode_init(), libschroedinger_encode_init(), mjpeg_decode_app(), mjpeg_decode_com(), mjpegb_decode_frame(), modify_qscale(), mpeg1_decode_picture(), mpeg1_decode_sequence(), mpeg_decode_gop(), mpeg_decode_picture_display_extension(), mpeg_decode_sequence_display_extension(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), MPV_common_init(), MPV_decode_mb_internal(), msmpeg4_decode_picture_header(), opt_input_file(), parse_ffconfig(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), predict_slice(), predict_slice_buffered(), print_long_term(), print_short_term(), remove_short(), rv10_decode_init(), rv20_decode_picture_header(), stream_component_open(), svq3_decode_frame(), truemotion1_decode_header(), and update_context_from_user().
debug
Definition at line 1680 of file avcodec.h.
Referenced by ff_alloc_picture(), ff_print_debug_info(), MPV_common_init(), stream_component_open(), and update_context_from_user().
uint64_t AVCodecContext::error[4] |
error
Definition at line 1690 of file avcodec.h.
Referenced by estimate_best_b_count(), MPV_encode_picture(), and print_report().
motion estimation comparison function
Definition at line 1711 of file avcodec.h.
Referenced by estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), ffm_read_header(), ffm_write_header(), hpel_motion_search(), qpel_motion_search(), X264_init(), and XAVS_init().
subpixel motion estimation comparison function
Definition at line 1717 of file avcodec.h.
Referenced by direct_search(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), hpel_motion_search(), and qpel_motion_search().
macroblock comparison function (not supported yet)
Definition at line 1723 of file avcodec.h.
Referenced by check_bidir_mv(), direct_search(), estimate_best_b_count(), ff_estimate_motion_b(), ff_estimate_p_frame_motion(), ff_init_me(), h263_mv4_search(), interlaced_search(), and sse_mb().
interlaced DCT comparison function
Definition at line 1729 of file avcodec.h.
Referenced by dvvideo_init(), encode_mb_internal(), and MPV_encode_init().
ME diamond size & shape
Definition at line 1752 of file avcodec.h.
Referenced by estimate_motion_thread(), ff_init_me(), and svq1_encode_plane().
amount of previous MV predictors (2a+1 x 2a+1 square)
Definition at line 1759 of file avcodec.h.
Referenced by epzs_motion_search_internal().
prepass for motion estimation
Definition at line 1766 of file avcodec.h.
Referenced by encode_picture().
motion estimation prepass comparison function
Definition at line 1773 of file avcodec.h.
Referenced by ff_init_me(), and ff_pre_estimate_p_frame_motion().
ME prepass diamond size & shape
Definition at line 1780 of file avcodec.h.
Referenced by ff_init_me(), and pre_estimate_motion_thread().
subpel ME quality
Definition at line 1787 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), qpel_motion_search(), X264_init(), and XAVS_init().
enum PixelFormat(* AVCodecContext::get_format)(struct AVCodecContext *s, const enum PixelFormat *fmt) |
callback to negotiate the pixelFormat
fmt | is the list of formats which are supported by the codec, it is terminated by -1 as 0 is a valid format, the formats are ordered by quality. The first is always the native one. |
Referenced by avcodec_get_context_defaults2(), decode_init(), decode_slice_header(), ff_h263_decode_init(), mpeg_get_pixelformat(), and vc1_decode_init().
DTG active format information (additional aspect ratio information only used in DVB MPEG-2 transport streams) 0 if not set.
Definition at line 1808 of file avcodec.h.
Referenced by mpeg_decode_user_data(), and update_context_from_thread().
maximum motion estimation search range in subpel units If 0 then no limit.
Definition at line 1824 of file avcodec.h.
Referenced by encode_init(), ff_fix_long_mvs(), ff_fix_long_p_mvs(), ff_get_best_fcode(), ffm_read_header(), ffm_write_header(), get_limits(), mpeg1_encode_sequence_header(), X264_init(), and XAVS_init().
intra quantizer bias
Definition at line 1831 of file avcodec.h.
Referenced by dnxhd_encode_init(), and MPV_encode_init().
inter quantizer bias
Definition at line 1839 of file avcodec.h.
Referenced by MPV_encode_init().
color table ID
Tables have to be stored somewhere. FIXME
Definition at line 1847 of file avcodec.h.
Referenced by ff_mov_read_stsd_entries().
internal_buffer count Don't touch, used by libavcodec default_get_buffer().
Definition at line 1853 of file avcodec.h.
Referenced by avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
internal_buffers Don't touch, used by libavcodec default_get_buffer().
Definition at line 1859 of file avcodec.h.
Referenced by avcodec_copy_context(), avcodec_default_free_buffers(), avcodec_default_get_buffer(), and avcodec_default_release_buffer().
Global quality for codecs which cannot change it per frame.
This should be proportional to MPEG-1/2/4 qscale.
Definition at line 1867 of file avcodec.h.
Referenced by a64multi_init_encoder(), aac_encode_init(), encode_init(), Faac_encode_init(), lame_window_init(), libdirac_encode_init(), libschroedinger_encode_init(), MP3lame_encode_init(), new_audio_stream(), new_video_stream(), oggvorbis_init_encoder(), parse_ffconfig(), and vorbis_encode_init().
coder type
Definition at line 1879 of file avcodec.h.
Referenced by encode_frame(), ffm_read_header(), ffm_write_header(), libdirac_encode_init(), libschroedinger_encode_init(), read_extra_header(), read_header(), targa_encode_frame(), and X264_init().
slice flags
Definition at line 1901 of file avcodec.h.
Referenced by ff_draw_horiz_band(), and update_context_from_user().
XVideo Motion Acceleration
Definition at line 1911 of file avcodec.h.
Referenced by dsputil_init_mmx(), ff_er_frame_end(), ff_xvmc_decode_mb(), is_intra_more_likely(), mpeg_decode_mb(), mpeg_decode_slice(), mpeg_field_start(), mpeg_get_pixelformat(), MPV_decode_mb_internal(), MPV_frame_end(), MPV_frame_start(), and slice_end().
macroblock decision mode
Definition at line 1918 of file avcodec.h.
Referenced by add_video_stream(), avcodec_string(), clip_coeffs(), dnxhd_calc_bits_thread(), dnxhd_encode_picture(), dnxhd_init_rc(), encode_mb_hq(), encode_thread(), estimate_best_b_count(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), ffm_read_header(), ffm_write_header(), MPV_decode_mb_internal(), MPV_encode_init(), and parse_ffconfig().
uint16_t* AVCodecContext::intra_matrix |
custom intra quantization matrix
Definition at line 1928 of file avcodec.h.
Referenced by avcodec_copy_context(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), MPV_encode_init(), and new_video_stream().
uint16_t* AVCodecContext::inter_matrix |
custom inter quantization matrix
Definition at line 1935 of file avcodec.h.
Referenced by avcodec_copy_context(), mpeg1_encode_sequence_header(), mpeg4_encode_vol_header(), MPV_encode_init(), and new_video_stream().
unsigned int AVCodecContext::stream_codec_tag |
fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
This is used to work around some encoder bugs.
Definition at line 1943 of file avcodec.h.
Referenced by avi_read_header(), avisynth_read_header(), and MPV_common_init().
scene change detection threshold 0 is default, larger means fewer detected scene changes.
Definition at line 1951 of file avcodec.h.
Referenced by encode_picture(), ffm_read_header(), ffm_write_header(), MPV_encode_init(), X264_init(), and XAVS_init().
minimum Lagrange multipler
Definition at line 1958 of file avcodec.h.
Referenced by get_qminmax().
maximum Lagrange multipler
Definition at line 1965 of file avcodec.h.
Referenced by get_qminmax(), and MPV_encode_picture().
struct AVPaletteControl* AVCodecContext::palctrl [read] |
palette control structure
Definition at line 1973 of file avcodec.h.
Referenced by asf_read_close(), asf_read_stream_properties(), avcodec_copy_context(), avcodec_get_context_defaults2(), avi_read_close(), avi_read_header(), cinepak_decode_frame(), cinepak_decode_init(), decode_frame(), decode_init(), ff_mov_read_stsd_entries(), idcin_decode_frame(), idcin_read_header(), ipmovie_read_header(), ipvideo_decode_frame(), ipvideo_decode_init(), ipvideo_decode_opcodes(), mov_read_close(), msrle_decode_frame(), msvideo1_decode_8bit(), msvideo1_decode_init(), nsv_read_close(), qtrle_decode_frame(), raw_decode(), and smc_decode_stream().
noise reduction strength
Definition at line 1981 of file avcodec.h.
Referenced by init_duplicate_context(), merge_context_after_encode(), MPV_common_init(), MPV_frame_start(), update_noise_reduction(), vp8_init(), X264_init(), and XAVS_init().
int(* AVCodecContext::reget_buffer)(struct AVCodecContext *c, AVFrame *pic) |
Called at the beginning of a frame to get cr buffer for it.
Buffer type (size, hints) must be the same. libavcodec won't check it. libavcodec will pass previous buffer in pic, function should return same buffer or new buffer with old frame "painted" into it. If pic.data[0] == NULL must behave like get_buffer(). if CODEC_CAP_DR1 is not set then reget_buffer() must call avcodec_default_reget_buffer() instead of providing buffers allocated by some other means.
Referenced by aasc_decode_frame(), avcodec_get_context_defaults2(), avs_decode_frame(), bethsoftvid_decode_frame(), cdg_decode_frame(), cinepak_decode_frame(), cinvideo_decode_frame(), decode_frame(), decode_frame_byterun1(), decode_frame_ilbm(), flashsv_decode_frame(), flic_decode_frame_15_16BPP(), flic_decode_frame_8BPP(), ir2_decode_frame(), mp_decode_frame(), msrle_decode_frame(), msvideo1_decode_frame(), qtrle_decode_frame(), roq_decode_frame(), rpza_decode_frame(), seqvideo_decode_frame(), smc_decode_frame(), truemotion1_decode_frame(), and xan_decode_frame().
Number of bits which should be loaded into the rc buffer before decoding starts.
Definition at line 2002 of file avcodec.h.
Referenced by ff_rate_control_init(), ff_xvid_rate_control_init(), new_video_stream(), vp8_init(), X264_init(), and XAVS_init().
CODEC_FLAG2_*
Definition at line 2016 of file avcodec.h.
Referenced by av_parser_change(), decode_frame(), decode_slice_header(), dump_extradata(), encode_bgr_bitstream(), encode_init(), ff_h263_decode_frame(), ffm_read_header(), ffm_write_header(), h261_decode_frame(), MP3lame_encode_init(), mpeg1_encode_sequence_header(), mpeg_decode_init(), MPV_common_init(), MPV_encode_init(), new_video_stream(), remove_extradata(), stream_component_open(), svq3_decode_init(), update_context_from_user(), validate_thread_parameters(), X264_init(), and XAVS_init().
Simulates errors in the bitstream to test error concealment.
Definition at line 2023 of file avcodec.h.
Referenced by encode_thread().
quantizer noise shaping
Definition at line 2040 of file avcodec.h.
Referenced by dct_quantize_refine(), and encode_mb_internal().
thread count is used to decide how many independent tasks should be passed to execute()
Definition at line 2048 of file avcodec.h.
Referenced by avcodec_open(), avcodec_thread_execute(), avcodec_thread_execute2(), compute_pkt_fields(), decode_chunks(), decode_nal_units(), decode_slice_header(), dnxhd_encode_end(), dnxhd_encode_init(), dnxhd_load_picture(), encode_picture(), ff_er_add_slice(), ff_h264_alloc_tables(), ff_h264_frame_start(), ff_thread_decode_frame(), ff_thread_flush(), ff_thread_free(), ff_thread_init(), ffm_read_header(), ffm_write_header(), frame_thread_init(), MPV_common_end(), MPV_common_init(), MPV_encode_init(), MPV_encode_picture(), new_audio_stream(), new_video_stream(), opt_input_file(), stream_component_open(), thread_free(), thread_init(), update_context_from_thread(), validate_thread_parameters(), vp8_init(), worker(), X264_init(), and XAVS_init().
int(* AVCodecContext::execute)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially.
count | the number of things to execute
|
Referenced by avcodec_get_context_defaults2(), decode_chunks(), decode_frame(), encode_picture(), execute_decode_slices(), ff_thread_init(), and thread_init().
thread opaque Can be used by execute() to store some per AVCodecContext stuff.
Definition at line 2067 of file avcodec.h.
Referenced by avcodec_close(), avcodec_copy_context(), avcodec_open(), avcodec_thread_execute(), avcodec_thread_execute2(), ff_thread_decode_frame(), ff_thread_finish_setup(), ff_thread_flush(), ff_thread_free(), ff_thread_get_buffer(), ff_thread_init(), ff_thread_release_buffer(), frame_thread_free(), frame_thread_init(), thread_free(), thread_init(), and worker().
Motion estimation threshold below which no motion estimation is performed, but instead the user specified motion vectors are used.
Definition at line 2076 of file avcodec.h.
Referenced by copy_picture_attributes(), encode_picture(), ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), MPV_encode_init(), and new_video_stream().
Macroblock threshold below which the user specified macroblock types will be used.
Definition at line 2083 of file avcodec.h.
Referenced by ff_estimate_b_frame_motion(), ff_estimate_p_frame_motion(), and MPV_encode_init().
precision of the intra DC coefficient - 8
Definition at line 2090 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), MPV_encode_init(), and new_video_stream().
noise vs.
sse weight for the nsse comparsion function
Definition at line 2097 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), nsse16_c(), nsse16_mmx(), nsse8_c(), and nsse8_mmx().
Number of macroblock rows at the top which are skipped.
Definition at line 2104 of file avcodec.h.
Referenced by ff_er_add_slice(), and ff_er_frame_end().
Number of macroblock rows at the bottom which are skipped.
Definition at line 2111 of file avcodec.h.
Referenced by decode_chunks(), and ff_er_frame_end().
profile
Definition at line 2118 of file avcodec.h.
Referenced by aac_encode_init(), avcodec_string(), dca_decode_frame(), decode_slice_header(), encode_init(), Faac_encode_init(), ff_dirac_parse_sequence_header(), mpeg1_encode_sequence_header(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), parse_nal_units(), update_context_from_thread(), and vp8_init().
level
Definition at line 2154 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), ff_dirac_parse_sequence_header(), mpeg1_encode_sequence_header(), mpeg4_encode_visual_object_header(), mpeg_decode_sequence_extension(), mpeg_decode_slice(), mxf_get_mpeg2_codec_ul(), mxf_parse_mpeg2_frame(), mxf_write_mpegvideo_desc(), parse_nal_units(), update_context_from_thread(), X264_init(), and XAVS_init().
low resolution decoding, 1-> 1/2 size, 2->1/4 size
Definition at line 2162 of file avcodec.h.
Referenced by avcodec_align_dimensions2(), avcodec_open(), avcodec_set_dimensions(), chroma_4mv_motion_lowres(), decode_slice(), dsputil_init(), dsputil_init_alpha(), dsputil_init_arm(), dsputil_init_mmx(), dsputil_init_ppc(), dv_decode_video_segment(), dvvideo_init(), ff_dsputil_init_armv5te(), ff_dsputil_init_armv6(), ff_dsputil_init_neon(), ff_er_frame_end(), ff_init_block_index(), ff_update_block_index(), g722_init(), hpel_motion_lowres(), libopenjpeg_decode_frame(), mjpeg_decode_scan(), mjpeg_decode_scan_progressive_ac(), mpeg_decode_slice(), mpeg_motion_lowres(), MPV_common_init_altivec(), MPV_decode_mb(), MPV_decode_mb_internal(), MPV_motion_lowres(), opt_input_file(), rv20_decode_picture_header(), and stream_component_open().
Bitstream width / height, may be different from width/height if lowres or other things are used.
Definition at line 2170 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open(), avcodec_set_dimensions(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), sp5x_decode_frame(), update_dimensions(), vaapi_vc1_start_frame(), vc1_decode_entry_point(), vc1_decode_init(), vc1_decode_sequence_header(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
Definition at line 2170 of file avcodec.h.
Referenced by av_mpeg4_decode_header(), avcodec_decode_video2(), avcodec_open(), avcodec_set_dimensions(), decode_sequence_header_adv(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_mjpeg_decode_init(), h261_decode_frame(), h261_decode_init(), mdec_common_init(), mpeg_decode_postinit(), mpegvideo_extract_headers(), rv10_decode_init(), sp5x_decode_frame(), update_dimensions(), vaapi_vc1_start_frame(), vc1_decode_entry_point(), vc1_decode_init(), vc1_decode_sequence_header(), vc1_interp_mc(), vc1_mc_1mv(), vc1_mc_4mv_chroma(), vc1_mc_4mv_luma(), vcr2_init_sequence(), vp56_size_changed(), vp5_parse_header(), and vp6_parse_header().
frame skip threshold
Definition at line 2177 of file avcodec.h.
Referenced by select_input_picture(), skip_check(), and vp8_init().
frame skip factor
Definition at line 2184 of file avcodec.h.
Referenced by select_input_picture(), and skip_check().
frame skip exponent
Definition at line 2191 of file avcodec.h.
Referenced by skip_check().
frame skip comparison function
Definition at line 2198 of file avcodec.h.
Referenced by add_codec(), ffm_read_header(), ffm_write_header(), and MPV_encode_init().
Border processing masking, raises the quantizer for mbs on the borders of the picture.
Definition at line 2206 of file avcodec.h.
Referenced by adaptive_quantization(), and MPV_encode_init().
minimum MB lagrange multipler
Definition at line 2213 of file avcodec.h.
Referenced by adaptive_quantization().
maximum MB lagrange multipler
Definition at line 2220 of file avcodec.h.
Referenced by adaptive_quantization().
Definition at line 2227 of file avcodec.h.
Referenced by encode_picture().
Definition at line 2234 of file avcodec.h.
Referenced by decode_slice_header(), stream_component_open(), vc1_decode_p_mb(), vc1_decode_sequence_header(), vp56_mc(), and vp8_decode_frame().
Definition at line 2241 of file avcodec.h.
Referenced by MPV_decode_mb_internal(), and stream_component_open().
Definition at line 2248 of file avcodec.h.
Referenced by decode_chunks(), decode_frame(), decode_nal_units(), ff_h263_decode_frame(), ff_rv34_decode_frame(), h261_decode_frame(), stream_component_open(), svq1_decode_frame(), svq3_decode_frame(), vc1_decode_frame(), and vp8_decode_frame().
Definition at line 2255 of file avcodec.h.
Referenced by bidir_refine().
Definition at line 2262 of file avcodec.h.
Referenced by estimate_best_b_count().
float AVCodecContext::crf |
constant rate factor - quality-based VBR - values ~correspond to qps
Definition at line 2269 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
constant quantization parameter rate control method
Definition at line 2276 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
minimum GOP size
Definition at line 2283 of file avcodec.h.
Referenced by encode_init(), ffm_read_header(), ffm_write_header(), vp8_init(), X264_init(), and XAVS_init().
number of reference frames
Definition at line 2290 of file avcodec.h.
Referenced by decode_slice_header(), ffm_read_header(), ffm_write_header(), X264_init(), and XAVS_init().
chroma qp offset from luma
Definition at line 2297 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
Influences how often B-frames are used.
Definition at line 2304 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
trellis RD quantization
Definition at line 2311 of file avcodec.h.
Referenced by encode_block(), encode_end(), encode_init(), g722_init(), MPV_encode_init(), X264_init(), and XAVS_init().
Reduce fluctuations in qp (before curve compression).
Definition at line 2318 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
in-loop deblocking filter alphac0 parameter alpha is in the range -6.
..6
Definition at line 2326 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
in-loop deblocking filter beta parameter beta is in the range -6.
..6
Definition at line 2334 of file avcodec.h.
Referenced by X264_init(), and XAVS_init().
macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
Definition at line 2341 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), X264_init(), and XAVS_init().
direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
Definition at line 2353 of file avcodec.h.
Referenced by ffm_read_header(), ffm_write_header(), X264_init(), and XAVS_init().
Audio cutoff bandwidth (0 means "automatic")
Definition at line 2360 of file avcodec.h.
Referenced by Faac_encode_init(), ff_psy_preprocess_init(), oggvorbis_init_encoder(), and validate_options().
Note: Value depends upon the compare function used for fullpel ME.
Definition at line 2375 of file avcodec.h.
Referenced by epzs_motion_search_internal().
Adjusts sensitivity of b_frame_strategy 1.
Definition at line 2382 of file avcodec.h.
Referenced by select_input_picture().
Definition at line 2388 of file avcodec.h.
Referenced by alac_encode_init(), encode_frame(), encode_init(), flac_encode_init(), and MP3lame_encode_init().
Sets whether to use LPC mode - used by FLAC encoder.
Definition at line 2398 of file avcodec.h.
Referenced by flac_encode_init().
LPC coefficient precision - used by FLAC encoder
Definition at line 2406 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2412 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
Definition at line 2418 of file avcodec.h.
Referenced by alac_encode_init(), and flac_encode_init().
search method for selecting prediction order
Definition at line 2425 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2431 of file avcodec.h.
Referenced by flac_encode_init().
Definition at line 2437 of file avcodec.h.
Referenced by flac_encode_init().
GOP timecode frame start number, in non drop frame format
Definition at line 2444 of file avcodec.h.
Referenced by mpeg1_encode_sequence_header().
Decoder should decode to this many channels if it can (0 for default)
Definition at line 2453 of file avcodec.h.
Referenced by ac3_decode_frame(), ac3_decode_init(), dca_decode_frame(), dca_decode_init(), dca_filter_channels(), ff_aac_ac3_parse(), read_restart_header(), stream_component_open(), and transcode().
Percentage of dynamic range compression to be applied by the decoder.
The default value is 1.0, corresponding to full compression.
Definition at line 2462 of file avcodec.h.
Referenced by decode_audio_block().
int64_t AVCodecContext::reordered_opaque |
opaque 64bit number (generally a PTS) that will be reordered and output in AVFrame.reordered_opaque
Definition at line 2471 of file avcodec.h.
Referenced by avcodec_default_get_buffer(), avcodec_default_reget_buffer(), avcodec_get_context_defaults2(), movie_get_frame(), raw_decode(), and update_context_from_user().
Bits per sample/pixel of internal libavcodec pixel/sample format.
This field is applicable only when sample_fmt is AV_SAMPLE_FMT_S32.
Definition at line 2479 of file avcodec.h.
Referenced by decode_frame(), decode_init(), decode_plane(), encode_init(), ff_flac_parse_streaminfo(), mlp_parse(), pcm_decode_init(), read_const_block_data(), read_extra_header(), read_header(), read_major_sync(), read_var_block_data(), transcode(), and update_context_from_thread().
int64_t AVCodecContext::channel_layout |
Audio channel layout.
Definition at line 2486 of file avcodec.h.
Referenced by ac3_decode_frame(), aea_read_header(), ape_decode_init(), avcodec_string(), cook_decode_init(), dca_decode_frame(), decode_frame(), decode_init(), ff_aac_ac3_parse(), flic_read_header(), imc_decode_init(), mpc7_decode_init(), mpc8_decode_init(), new_audio_stream(), opt_input_file(), output_configure(), pcm_bluray_decode_frame(), pcm_bluray_parse_header(), smka_decode_init(), transcode(), validate_options(), vorbis_decode_init(), wavpack_decode_block(), wavpack_decode_init(), and wv_read_header().
Ratecontrol attempt to use, at maximum,
of what can be used without an underflow.
Definition at line 2500 of file avcodec.h.
Referenced by modify_qscale(), and MPV_encode_picture().
Ratecontrol attempt to use, at least,
times the amount needed to prevent a vbv overflow.
Definition at line 2507 of file avcodec.h.
Referenced by modify_qscale().
struct AVHWAccel* AVCodecContext::hwaccel [read] |
Hardware accelerator in use
Definition at line 2514 of file avcodec.h.
Referenced by alloc_frame_buffer(), avcodec_copy_context(), decode_nal_units(), decode_slice(), decode_slice_header(), execute_decode_slices(), ff_er_add_slice(), ff_er_frame_end(), ff_h263_decode_frame(), ff_h263_decode_init(), ff_print_debug_info(), field_end(), get_consumed_bytes(), mpeg_decode_slice(), mpeg_field_start(), MPV_frame_end(), slice_end(), vc1_decode_frame(), vc1_decode_init(), and vcr2_init_sequence().
For some codecs, the time base is closer to the field rate than the frame rate.
Most notably, H.264 and MPEG-2 specify time_base as half of frame duration if no telecine is used ...
Set to time_base ticks per frame. Default 1, e.g., H.264/MPEG-2 set it to 2.
Definition at line 2523 of file avcodec.h.
Referenced by av_find_stream_info(), compute_frame_duration(), compute_pkt_fields2(), ff_h264_decode_init(), mpeg_decode_postinit(), opt_input_file(), output_packet(), transcode(), update_context_from_thread(), and vp8_encode().
Hardware accelerator context.
For some hardware accelerators, a global context needs to be provided by the user. In that case, this holds display-dependent data FFmpeg cannot instantiate itself. Please refer to the FFmpeg HW accelerator documentation to know how to fill this is. e.g. for VA API, this is a struct vaapi_context.
Definition at line 2535 of file avcodec.h.
Referenced by commit_bitstream_and_slice_buffer(), decode_slice(), ff_dxva2_common_end_frame(), ff_vaapi_common_end_frame(), fill_slice_long(), start_frame(), vaapi_mpeg2_decode_slice(), vaapi_mpeg2_start_frame(), vaapi_mpeg4_decode_slice(), vaapi_mpeg4_start_frame(), vaapi_vc1_decode_slice(), and vaapi_vc1_start_frame().
Chromaticity coordinates of the source primaries.
Definition at line 2542 of file avcodec.h.
Referenced by decode_slice_header(), encode_init(), libschroedinger_encode_init(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), and update_context_from_thread().
Color Transfer Characteristic.
Definition at line 2549 of file avcodec.h.
Referenced by decode_slice_header(), libschroedinger_encode_init(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), and update_context_from_thread().
YUV colorspace type.
Definition at line 2556 of file avcodec.h.
Referenced by decode_slice_header(), libschroedinger_encode_init(), mpeg_decode_sequence_display_extension(), parse_source_parameters(), and update_context_from_thread().
MPEG vs JPEG YUV range.
Definition at line 2563 of file avcodec.h.
Referenced by decode_slice_header(), mpeg_decode_init(), parse_source_parameters(), and update_context_from_thread().
This defines the location of chroma samples.
Definition at line 2570 of file avcodec.h.
Referenced by decode_init(), decode_vui_parameters(), dvvideo_init(), ff_h263_decode_init(), ff_h264_decode_init(), ff_mjpeg_decode_init(), mpeg_decode_init(), transcode(), update_context_from_thread(), vp3_decode_init(), and yuv4_read_header().
int(* AVCodecContext::execute2)(struct AVCodecContext *c, int(*func)(struct AVCodecContext *c2, void *arg, int jobnr, int threadnr), void *arg2, int *ret, int count) |
The codec may call this to execute several independent things.
It will return only after finishing all tasks. The user may replace this with some multithreaded implementation, the default implementation will execute the parts serially. Also see avcodec_thread_init and e.g. the --enable-pthread configure option.
c | context passed also to func | |
count | the number of things to execute | |
arg2 | argument passed unchanged to func | |
ret | return values of executed functions, must have space for "count" values. May be NULL. | |
func | function that will be called count times, with jobnr from 0 to count-1. threadnr will be in the range 0 to c->thread_count-1 < MAX_THREADS and so that no two instances of func executing at the same time will have the same threadnr. |
Referenced by avcodec_get_context_defaults2(), dnxhd_encode_fast(), dnxhd_encode_picture(), dnxhd_encode_rdo(), dnxhd_find_qscale(), ff_thread_init(), and thread_init().
explicit P-frame weighted prediction analysis method 0: off 1: fast blind weighting (one reference duplicate with -1 offset) 2: smart weighting (full fade detection analysis)
Definition at line 2600 of file avcodec.h.
Referenced by X264_init().
AQ mode 0: Disabled 1: Variance AQ (complexity mask) 2: Auto-variance AQ (experimental)
Definition at line 2610 of file avcodec.h.
Referenced by X264_init().
AQ strength Reduces blocking and blurring in flat and textured areas.
Definition at line 2618 of file avcodec.h.
Referenced by X264_init().
float AVCodecContext::psy_rd |
PSY RD Strength of psychovisual optimization
Definition at line 2626 of file avcodec.h.
Referenced by X264_init().
PSY trellis Strength of psychovisual optimization
Definition at line 2634 of file avcodec.h.
Referenced by X264_init().
RC lookahead Number of frames for frametype and ratecontrol lookahead
Definition at line 2642 of file avcodec.h.
Referenced by X264_init().
float AVCodecContext::crf_max |
Constant rate factor maximum With CRF encoding mode and VBV restrictions enabled, prevents quality from being worse than crf_max, even if doing so would violate VBV restrictions.
Definition at line 2651 of file avcodec.h.
Referenced by X264_init().
Determines which LPC analysis algorithm to use.
Definition at line 2660 of file avcodec.h.
Referenced by flac_encode_init().
Number of passes to use for Cholesky factorization during LPC analysis
Definition at line 2667 of file avcodec.h.
Referenced by flac_encode_init().
Number of slices.
Indicates number of picture subdivisions. Used for parallelized decoding.
Definition at line 2676 of file avcodec.h.
Referenced by vp8_init(), and X264_init().
uint8_t* AVCodecContext::subtitle_header |
Header containing style information for text subtitles.
For SUBTITLE_ASS subtitle type, it should contain the whole ASS [Script Info] and [V4+ Styles] section, plus the [Events] line and the Format line following. It shouldn't include any Dialogue line.
Definition at line 2686 of file avcodec.h.
Referenced by ass_decode_init(), ass_encode_init(), avcodec_open(), avformat_free_context(), ff_ass_subtitle_header(), and transcode().
Definition at line 2687 of file avcodec.h.
Referenced by ass_decode_init(), ass_encode_init(), ff_ass_subtitle_header(), and transcode().
Current packet as passed into the decoder, to avoid having to pass the packet into every function.
Currently only valid inside lavc and get/release_buffer callbacks.
Definition at line 2696 of file avcodec.h.
Referenced by avcodec_decode_audio3(), avcodec_decode_subtitle2(), avcodec_decode_video2(), avcodec_default_get_buffer(), avcodec_default_reget_buffer(), frame_thread_init(), and raw_decode().
Whether this is a copy of the context which had init() called on it.
This is used by multithreading - shared tables and picture pointers should be freed from the original context only.
Definition at line 2705 of file avcodec.h.
Referenced by frame_thread_init(), and vp3_decode_end().
Which multithreading methods to use.
Use of FF_THREAD_FRAME will increase decoding delay by one frame per thread, so clients which cannot provide future frames should not use it.
Definition at line 2715 of file avcodec.h.
Referenced by ff_thread_init(), and validate_thread_parameters().
Which multithreading methods are in use by the codec.
Definition at line 2724 of file avcodec.h.
Referenced by avcodec_close(), avcodec_decode_video2(), avcodec_default_get_buffer(), avcodec_flush_buffers(), avcodec_open(), avcodec_thread_execute(), compute_pkt_fields(), ff_thread_finish_setup(), ff_thread_free(), ff_thread_get_buffer(), ff_thread_init(), ff_thread_release_buffer(), frame_thread_init(), render_slice(), validate_thread_parameters(), and vp3_draw_horiz_band().
Set by the client if its custom get_buffer() callback can be called from another thread, which allows faster multithreaded decoding.
draw_horiz_band() will be called from other threads regardless of this setting. Ignored if the default get_buffer() is used.
Definition at line 2734 of file avcodec.h.
Referenced by ff_thread_get_buffer(), frame_worker_thread(), and submit_packet().
uint64_t AVCodecContext::vbv_delay |
VBV delay coded in the last frame (in periods of a 27 MHz clock).
Used for compliant TS muxing.
Definition at line 2742 of file avcodec.h.
Referenced by MPV_encode_picture().