33 #if FF_API_DESTRUCT_PACKET
58 #if FF_API_DESTRUCT_PACKET
94 #if FF_API_DESTRUCT_PACKET
105 if (pkt->
size <= size)
117 if ((
unsigned)grow_by >
131 #if FF_API_DESTRUCT_PACKET
138 pkt->
size += grow_by;
139 memset(pkt->
data + pkt->
size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
156 #if FF_API_DESTRUCT_PACKET
165 #define ALLOC_MALLOC(data, size) data = av_malloc(size)
166 #define ALLOC_BUF(data, size) \
168 av_buffer_realloc(&pkt->buf, size); \
169 data = pkt->buf ? pkt->buf->data : NULL; \
172 #define DUP_DATA(dst, src, size, padding, ALLOC) \
176 if ((unsigned)(size) > \
177 (unsigned)(size) + FF_INPUT_BUFFER_PADDING_SIZE) \
179 ALLOC(data, size + FF_INPUT_BUFFER_PADDING_SIZE); \
185 memcpy(data, src, size); \
187 memset((uint8_t *)data + size, 0, \
188 FF_INPUT_BUFFER_PADDING_SIZE); \
206 #if FF_API_DESTRUCT_PACKET
286 #if FF_API_DESTRUCT_PACKET
304 if ((
unsigned)elems + 1 > INT_MAX /
sizeof(*pkt->
side_data))
339 #define FF_MERGE_MARKER 0x8c4d9d108e25e9feULL
358 #if FF_API_DESTRUCT_PACKET
372 memset(p, 0, FF_INPUT_BUFFER_PADDING_SIZE);
390 if (size>INT_MAX || p - pkt->
data < size)
411 pkt->
size -= size + 5;
433 const size_t keylen = strlen(t->
key);
434 const size_t valuelen = strlen(t->
value);
435 const size_t new_size = *size + keylen + 1 + valuelen + 1;
441 if (new_size > INT_MAX)
444 memcpy(data + *size, t->
key, keylen + 1);
445 memcpy(data + *size + keylen + 1, t->
value, valuelen + 1);
463 if (!dict || !data || !size)
477 data = val + strlen(val) + 1;
521 memcpy(dst_data, src_data, size);
const char const char void * val
#define DUP_DATA(dst, src, size, padding, ALLOC)
#define AVERROR_INVALIDDATA
Invalid data found when processing input.
void av_buffer_unref(AVBufferRef **buf)
Free a given reference and automatically free the buffer if there are no more references to it...
void av_free_packet(AVPacket *pkt)
Free a packet.
ptrdiff_t const GLvoid * data
memory handling functions
int64_t pos
byte position in stream, -1 if unknown
void av_shrink_packet(AVPacket *pkt, int size)
Reduce packet size, correctly zeroing padding.
#define ALLOC_MALLOC(data, size)
#define ALLOC_BUF(data, size)
int av_dup_packet(AVPacket *pkt)
#define av_assert0(cond)
assert() equivalent, that is always enabled.
int av_packet_unpack_dictionary(const uint8_t *data, int size, AVDictionary **dict)
Unpack a dictionary from side_data.
attribute_deprecated void(* destruct)(struct AVPacket *)
static av_cold int end(AVCodecContext *avctx)
static void dummy_destruct_packet(AVPacket *pkt)
int av_packet_from_data(AVPacket *pkt, uint8_t *data, int size)
Initialize a reference-counted packet from av_malloc()ed data.
AVDictionaryEntry * av_dict_get(const AVDictionary *m, const char *key, const AVDictionaryEntry *prev, int flags)
Get a dictionary entry with matching key.
void av_packet_move_ref(AVPacket *dst, AVPacket *src)
Move every field in src to dst and reset src.
int duration
Duration of this packet in AVStream->time_base units, 0 if unknown.
int av_packet_ref(AVPacket *dst, const AVPacket *src)
Setup a new reference to the data described by a given packet.
void av_buffer_default_free(void *opaque, uint8_t *data)
Default free callback, which calls av_free() on the buffer data.
int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq)
Rescale a 64-bit integer by 2 rational numbers.
int av_new_packet(AVPacket *pkt, int size)
Allocate the payload of a packet and initialize its fields with default values.
void av_packet_rescale_ts(AVPacket *pkt, AVRational src_tb, AVRational dst_tb)
Convert valid timing fields (timestamps / durations) in a packet from one timebase to another...
void av_packet_free_side_data(AVPacket *pkt)
Convenience function to free all the side data stored.
int64_t convergence_duration
Time difference in AVStream->time_base units from the pts of this packet to the point at which the ou...
AVBufferRef * buf
A reference to the reference-counted buffer where the packet data is stored.
simple assert() macros that are a bit more flexible than ISO C assert().
enum AVPacketSideDataType type
AVBufferRef * av_buffer_create(uint8_t *data, int size, void(*free)(void *opaque, uint8_t *data), void *opaque, int flags)
Create an AVBuffer from an existing array.
int av_packet_shrink_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Shrink the already allocated side data buffer.
int av_buffer_realloc(AVBufferRef **pbuf, int size)
Reallocate a given buffer.
Libavcodec external API header.
int flags
A combination of AV_PKT_FLAG values.
int av_packet_merge_side_data(AVPacket *pkt)
common internal API header
#define FF_INPUT_BUFFER_PADDING_SIZE
Required number of additionally allocated bytes at the end of the input bitstream for decoding...
int av_packet_copy_props(AVPacket *dst, const AVPacket *src)
Copy only "properties" fields from src to dst.
static int packet_alloc(AVBufferRef **buf, int size)
#define FF_API_DESTRUCT_PACKET
int av_packet_split_side_data(AVPacket *pkt)
void av_destruct_packet(AVPacket *pkt)
Default packet destructor.
AVBufferRef * av_buffer_alloc(int size)
Allocate an AVBuffer of the given size using av_malloc().
uint8_t * av_packet_pack_dictionary(AVDictionary *dict, int *size)
Pack a dictionary for use in side_data.
void av_packet_unref(AVPacket *pkt)
Wipe the packet.
uint8_t * data
The data buffer.
int av_copy_packet(AVPacket *dst, const AVPacket *src)
Copy packet, including contents.
int av_dict_set(AVDictionary **pm, const char *key, const char *value, int flags)
Set the given entry in *pm, overwriting an existing entry.
rational number numerator/denominator
static int copy_packet_data(AVPacket *pkt, const AVPacket *src, int dup)
A reference to a data buffer.
AVPacketSideData * side_data
Additional packet data that can be provided by the container.
#define FF_DISABLE_DEPRECATION_WARNINGS
common internal api header.
common internal and external API header
void * av_realloc(void *ptr, size_t size)
Allocate or reallocate a block of memory.
AVBufferRef * av_buffer_ref(AVBufferRef *buf)
Create a new reference to an AVBuffer.
int av_grow_packet(AVPacket *pkt, int grow_by)
Increase packet size, correctly zeroing padding.
void av_init_packet(AVPacket *pkt)
Initialize optional fields of a packet with default values.
static av_always_inline void bytestream_put_buffer(uint8_t **b, const uint8_t *src, unsigned int size)
#define FF_ENABLE_DEPRECATION_WARNINGS
int64_t dts
Decompression timestamp in AVStream->time_base units; the time at which the packet is decompressed...
#define AV_DICT_IGNORE_SUFFIX
Return first entry in a dictionary whose first part corresponds to the search key, ignoring the suffix of the found key string.
uint8_t * av_packet_get_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int *size)
Get side information from packet.
#define av_malloc_array(a, b)
uint8_t * av_packet_new_side_data(AVPacket *pkt, enum AVPacketSideDataType type, int size)
Allocate new information of a packet.
int av_copy_packet_side_data(AVPacket *pkt, const AVPacket *src)
Copy packet side data.
This structure stores compressed data.
void * av_mallocz(size_t size)
Allocate a block of size bytes with alignment suitable for all memory accesses (including vectors if ...
int64_t pts
Presentation timestamp in AVStream->time_base units; the time at which the decompressed packet will b...
#define AV_NOPTS_VALUE
Undefined timestamp value.