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00015 #if defined(_WIN32) || !CONFIG_OS_SUPPORT
00016 #define USE_POSIX_MMAP 0
00017 #else
00018 #define USE_POSIX_MMAP 1
00019 #endif
00020
00021 #include <stdio.h>
00022 #include <stdlib.h>
00023 #include <stdarg.h>
00024 #include <string.h>
00025 #include <limits.h>
00026 #include <assert.h>
00027 #include "vpx/vpx_encoder.h"
00028 #if USE_POSIX_MMAP
00029 #include <sys/types.h>
00030 #include <sys/stat.h>
00031 #include <sys/mman.h>
00032 #include <fcntl.h>
00033 #include <unistd.h>
00034 #endif
00035 #include "vpx/vp8cx.h"
00036 #include "vpx_ports/mem_ops.h"
00037 #include "vpx_ports/vpx_timer.h"
00038 #include "tools_common.h"
00039 #include "y4minput.h"
00040 #include "libmkv/EbmlWriter.h"
00041 #include "libmkv/EbmlIDs.h"
00042
00043
00044 #if defined(_MSC_VER)
00045
00046 typedef __int64 off_t;
00047 #define fseeko _fseeki64
00048 #define ftello _ftelli64
00049 #elif defined(_WIN32)
00050
00051
00052 #define fseeko fseeko64
00053 #define ftello ftello64
00054 #define off_t off64_t
00055 #endif
00056
00057 #if defined(_MSC_VER)
00058 #define LITERALU64(n) n
00059 #else
00060 #define LITERALU64(n) n##LLU
00061 #endif
00062
00063
00064
00065 #if !CONFIG_OS_SUPPORT
00066 typedef long off_t;
00067 #define fseeko fseek
00068 #define ftello ftell
00069 #endif
00070
00071 static const char *exec_name;
00072
00073 static const struct codec_item
00074 {
00075 char const *name;
00076 const vpx_codec_iface_t *iface;
00077 unsigned int fourcc;
00078 } codecs[] =
00079 {
00080 #if CONFIG_VP8_ENCODER
00081 {"vp8", &vpx_codec_vp8_cx_algo, 0x30385056},
00082 #endif
00083 };
00084
00085 static void usage_exit();
00086
00087 #define LOG_ERROR(label) do \
00088 {\
00089 const char *l=label;\
00090 va_list ap;\
00091 va_start(ap, fmt);\
00092 if(l)\
00093 fprintf(stderr, "%s: ", l);\
00094 vfprintf(stderr, fmt, ap);\
00095 fprintf(stderr, "\n");\
00096 va_end(ap);\
00097 } while(0)
00098
00099 void die(const char *fmt, ...)
00100 {
00101 LOG_ERROR(NULL);
00102 usage_exit();
00103 }
00104
00105
00106 void fatal(const char *fmt, ...)
00107 {
00108 LOG_ERROR("Fatal");
00109 exit(EXIT_FAILURE);
00110 }
00111
00112
00113 void warn(const char *fmt, ...)
00114 {
00115 LOG_ERROR("Warning");
00116 }
00117
00118
00119 static void ctx_exit_on_error(vpx_codec_ctx_t *ctx, const char *s, ...)
00120 {
00121 va_list ap;
00122
00123 va_start(ap, s);
00124 if (ctx->err)
00125 {
00126 const char *detail = vpx_codec_error_detail(ctx);
00127
00128 vfprintf(stderr, s, ap);
00129 fprintf(stderr, ": %s\n", vpx_codec_error(ctx));
00130
00131 if (detail)
00132 fprintf(stderr, " %s\n", detail);
00133
00134 exit(EXIT_FAILURE);
00135 }
00136 }
00137
00138
00139
00140
00141 typedef struct
00142 {
00143 vpx_fixed_buf_t buf;
00144 int pass;
00145 FILE *file;
00146 char *buf_ptr;
00147 size_t buf_alloc_sz;
00148 } stats_io_t;
00149
00150 int stats_open_file(stats_io_t *stats, const char *fpf, int pass)
00151 {
00152 int res;
00153
00154 stats->pass = pass;
00155
00156 if (pass == 0)
00157 {
00158 stats->file = fopen(fpf, "wb");
00159 stats->buf.sz = 0;
00160 stats->buf.buf = NULL,
00161 res = (stats->file != NULL);
00162 }
00163 else
00164 {
00165 #if 0
00166 #elif USE_POSIX_MMAP
00167 struct stat stat_buf;
00168 int fd;
00169
00170 fd = open(fpf, O_RDONLY);
00171 stats->file = fdopen(fd, "rb");
00172 fstat(fd, &stat_buf);
00173 stats->buf.sz = stat_buf.st_size;
00174 stats->buf.buf = mmap(NULL, stats->buf.sz, PROT_READ, MAP_PRIVATE,
00175 fd, 0);
00176 res = (stats->buf.buf != NULL);
00177 #else
00178 size_t nbytes;
00179
00180 stats->file = fopen(fpf, "rb");
00181
00182 if (fseek(stats->file, 0, SEEK_END))
00183 fatal("First-pass stats file must be seekable!");
00184
00185 stats->buf.sz = stats->buf_alloc_sz = ftell(stats->file);
00186 rewind(stats->file);
00187
00188 stats->buf.buf = malloc(stats->buf_alloc_sz);
00189
00190 if (!stats->buf.buf)
00191 fatal("Failed to allocate first-pass stats buffer (%lu bytes)",
00192 (unsigned long)stats->buf_alloc_sz);
00193
00194 nbytes = fread(stats->buf.buf, 1, stats->buf.sz, stats->file);
00195 res = (nbytes == stats->buf.sz);
00196 #endif
00197 }
00198
00199 return res;
00200 }
00201
00202 int stats_open_mem(stats_io_t *stats, int pass)
00203 {
00204 int res;
00205 stats->pass = pass;
00206
00207 if (!pass)
00208 {
00209 stats->buf.sz = 0;
00210 stats->buf_alloc_sz = 64 * 1024;
00211 stats->buf.buf = malloc(stats->buf_alloc_sz);
00212 }
00213
00214 stats->buf_ptr = stats->buf.buf;
00215 res = (stats->buf.buf != NULL);
00216 return res;
00217 }
00218
00219
00220 void stats_close(stats_io_t *stats, int last_pass)
00221 {
00222 if (stats->file)
00223 {
00224 if (stats->pass == last_pass)
00225 {
00226 #if 0
00227 #elif USE_POSIX_MMAP
00228 munmap(stats->buf.buf, stats->buf.sz);
00229 #else
00230 free(stats->buf.buf);
00231 #endif
00232 }
00233
00234 fclose(stats->file);
00235 stats->file = NULL;
00236 }
00237 else
00238 {
00239 if (stats->pass == last_pass)
00240 free(stats->buf.buf);
00241 }
00242 }
00243
00244 void stats_write(stats_io_t *stats, const void *pkt, size_t len)
00245 {
00246 if (stats->file)
00247 {
00248 if(fwrite(pkt, 1, len, stats->file));
00249 }
00250 else
00251 {
00252 if (stats->buf.sz + len > stats->buf_alloc_sz)
00253 {
00254 size_t new_sz = stats->buf_alloc_sz + 64 * 1024;
00255 char *new_ptr = realloc(stats->buf.buf, new_sz);
00256
00257 if (new_ptr)
00258 {
00259 stats->buf_ptr = new_ptr + (stats->buf_ptr - (char *)stats->buf.buf);
00260 stats->buf.buf = new_ptr;
00261 stats->buf_alloc_sz = new_sz;
00262 }
00263 else
00264 fatal("Failed to realloc firstpass stats buffer.");
00265 }
00266
00267 memcpy(stats->buf_ptr, pkt, len);
00268 stats->buf.sz += len;
00269 stats->buf_ptr += len;
00270 }
00271 }
00272
00273 vpx_fixed_buf_t stats_get(stats_io_t *stats)
00274 {
00275 return stats->buf;
00276 }
00277
00278
00279 typedef enum stereo_format
00280 {
00281 STEREO_FORMAT_MONO = 0,
00282 STEREO_FORMAT_LEFT_RIGHT = 1,
00283 STEREO_FORMAT_BOTTOM_TOP = 2,
00284 STEREO_FORMAT_TOP_BOTTOM = 3,
00285 STEREO_FORMAT_RIGHT_LEFT = 11
00286 } stereo_format_t;
00287
00288 enum video_file_type
00289 {
00290 FILE_TYPE_RAW,
00291 FILE_TYPE_IVF,
00292 FILE_TYPE_Y4M
00293 };
00294
00295 struct detect_buffer {
00296 char buf[4];
00297 size_t buf_read;
00298 size_t position;
00299 };
00300
00301
00302 struct input_state
00303 {
00304 char *fn;
00305 FILE *file;
00306 y4m_input y4m;
00307 struct detect_buffer detect;
00308 enum video_file_type file_type;
00309 unsigned int w;
00310 unsigned int h;
00311 struct vpx_rational framerate;
00312 int use_i420;
00313 };
00314
00315
00316 #define IVF_FRAME_HDR_SZ (4+8)
00317 static int read_frame(struct input_state *input, vpx_image_t *img)
00318 {
00319 FILE *f = input->file;
00320 enum video_file_type file_type = input->file_type;
00321 y4m_input *y4m = &input->y4m;
00322 struct detect_buffer *detect = &input->detect;
00323 int plane = 0;
00324 int shortread = 0;
00325
00326 if (file_type == FILE_TYPE_Y4M)
00327 {
00328 if (y4m_input_fetch_frame(y4m, f, img) < 1)
00329 return 0;
00330 }
00331 else
00332 {
00333 if (file_type == FILE_TYPE_IVF)
00334 {
00335 char junk[IVF_FRAME_HDR_SZ];
00336
00337
00338
00339
00340
00341 if(fread(junk, 1, IVF_FRAME_HDR_SZ, f));
00342 }
00343
00344 for (plane = 0; plane < 3; plane++)
00345 {
00346 unsigned char *ptr;
00347 int w = (plane ? (1 + img->d_w) / 2 : img->d_w);
00348 int h = (plane ? (1 + img->d_h) / 2 : img->d_h);
00349 int r;
00350
00351
00352
00353
00354
00355 switch (plane)
00356 {
00357 case 1:
00358 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12? VPX_PLANE_V : VPX_PLANE_U];
00359 break;
00360 case 2:
00361 ptr = img->planes[img->fmt==VPX_IMG_FMT_YV12?VPX_PLANE_U : VPX_PLANE_V];
00362 break;
00363 default:
00364 ptr = img->planes[plane];
00365 }
00366
00367 for (r = 0; r < h; r++)
00368 {
00369 size_t needed = w;
00370 size_t buf_position = 0;
00371 const size_t left = detect->buf_read - detect->position;
00372 if (left > 0)
00373 {
00374 const size_t more = (left < needed) ? left : needed;
00375 memcpy(ptr, detect->buf + detect->position, more);
00376 buf_position = more;
00377 needed -= more;
00378 detect->position += more;
00379 }
00380 if (needed > 0)
00381 {
00382 shortread |= (fread(ptr + buf_position, 1, needed, f) < needed);
00383 }
00384
00385 ptr += img->stride[plane];
00386 }
00387 }
00388 }
00389
00390 return !shortread;
00391 }
00392
00393
00394 unsigned int file_is_y4m(FILE *infile,
00395 y4m_input *y4m,
00396 char detect[4])
00397 {
00398 if(memcmp(detect, "YUV4", 4) == 0)
00399 {
00400 return 1;
00401 }
00402 return 0;
00403 }
00404
00405 #define IVF_FILE_HDR_SZ (32)
00406 unsigned int file_is_ivf(struct input_state *input,
00407 unsigned int *fourcc)
00408 {
00409 char raw_hdr[IVF_FILE_HDR_SZ];
00410 int is_ivf = 0;
00411 FILE *infile = input->file;
00412 unsigned int *width = &input->w;
00413 unsigned int *height = &input->h;
00414 struct detect_buffer *detect = &input->detect;
00415
00416 if(memcmp(detect->buf, "DKIF", 4) != 0)
00417 return 0;
00418
00419
00420
00421
00422 if (fread(raw_hdr + 4, 1, IVF_FILE_HDR_SZ - 4, infile)
00423 == IVF_FILE_HDR_SZ - 4)
00424 {
00425 {
00426 is_ivf = 1;
00427
00428 if (mem_get_le16(raw_hdr + 4) != 0)
00429 warn("Unrecognized IVF version! This file may not decode "
00430 "properly.");
00431
00432 *fourcc = mem_get_le32(raw_hdr + 8);
00433 }
00434 }
00435
00436 if (is_ivf)
00437 {
00438 *width = mem_get_le16(raw_hdr + 12);
00439 *height = mem_get_le16(raw_hdr + 14);
00440 detect->position = 4;
00441 }
00442
00443 return is_ivf;
00444 }
00445
00446
00447 static void write_ivf_file_header(FILE *outfile,
00448 const vpx_codec_enc_cfg_t *cfg,
00449 unsigned int fourcc,
00450 int frame_cnt)
00451 {
00452 char header[32];
00453
00454 if (cfg->g_pass != VPX_RC_ONE_PASS && cfg->g_pass != VPX_RC_LAST_PASS)
00455 return;
00456
00457 header[0] = 'D';
00458 header[1] = 'K';
00459 header[2] = 'I';
00460 header[3] = 'F';
00461 mem_put_le16(header + 4, 0);
00462 mem_put_le16(header + 6, 32);
00463 mem_put_le32(header + 8, fourcc);
00464 mem_put_le16(header + 12, cfg->g_w);
00465 mem_put_le16(header + 14, cfg->g_h);
00466 mem_put_le32(header + 16, cfg->g_timebase.den);
00467 mem_put_le32(header + 20, cfg->g_timebase.num);
00468 mem_put_le32(header + 24, frame_cnt);
00469 mem_put_le32(header + 28, 0);
00470
00471 if(fwrite(header, 1, 32, outfile));
00472 }
00473
00474
00475 static void write_ivf_frame_header(FILE *outfile,
00476 const vpx_codec_cx_pkt_t *pkt)
00477 {
00478 char header[12];
00479 vpx_codec_pts_t pts;
00480
00481 if (pkt->kind != VPX_CODEC_CX_FRAME_PKT)
00482 return;
00483
00484 pts = pkt->data.frame.pts;
00485 mem_put_le32(header, pkt->data.frame.sz);
00486 mem_put_le32(header + 4, pts & 0xFFFFFFFF);
00487 mem_put_le32(header + 8, pts >> 32);
00488
00489 if(fwrite(header, 1, 12, outfile));
00490 }
00491
00492 static void write_ivf_frame_size(FILE *outfile, size_t size)
00493 {
00494 char header[4];
00495 mem_put_le32(header, size);
00496 fwrite(header, 1, 4, outfile);
00497 }
00498
00499
00500 typedef off_t EbmlLoc;
00501
00502
00503 struct cue_entry
00504 {
00505 unsigned int time;
00506 uint64_t loc;
00507 };
00508
00509
00510 struct EbmlGlobal
00511 {
00512 int debug;
00513
00514 FILE *stream;
00515 int64_t last_pts_ms;
00516 vpx_rational_t framerate;
00517
00518
00519 off_t position_reference;
00520 off_t seek_info_pos;
00521 off_t segment_info_pos;
00522 off_t track_pos;
00523 off_t cue_pos;
00524 off_t cluster_pos;
00525
00526
00527 off_t track_id_pos;
00528
00529
00530 EbmlLoc startSegment;
00531 EbmlLoc startCluster;
00532
00533 uint32_t cluster_timecode;
00534 int cluster_open;
00535
00536 struct cue_entry *cue_list;
00537 unsigned int cues;
00538
00539 };
00540
00541
00542 void Ebml_Write(EbmlGlobal *glob, const void *buffer_in, unsigned long len)
00543 {
00544 if(fwrite(buffer_in, 1, len, glob->stream));
00545 }
00546
00547 #define WRITE_BUFFER(s) \
00548 for(i = len-1; i>=0; i--)\
00549 { \
00550 x = *(const s *)buffer_in >> (i * CHAR_BIT); \
00551 Ebml_Write(glob, &x, 1); \
00552 }
00553 void Ebml_Serialize(EbmlGlobal *glob, const void *buffer_in, int buffer_size, unsigned long len)
00554 {
00555 char x;
00556 int i;
00557
00558
00559
00560
00561
00562
00563
00564 switch (buffer_size)
00565 {
00566 case 1:
00567 WRITE_BUFFER(int8_t)
00568 break;
00569 case 2:
00570 WRITE_BUFFER(int16_t)
00571 break;
00572 case 4:
00573 WRITE_BUFFER(int32_t)
00574 break;
00575 case 8:
00576 WRITE_BUFFER(int64_t)
00577 break;
00578 default:
00579 break;
00580 }
00581 }
00582 #undef WRITE_BUFFER
00583
00584
00585
00586
00587 static void Ebml_SerializeUnsigned32(EbmlGlobal *glob, unsigned long class_id, uint64_t ui)
00588 {
00589 unsigned char sizeSerialized = 4 | 0x80;
00590 Ebml_WriteID(glob, class_id);
00591 Ebml_Serialize(glob, &sizeSerialized, sizeof(sizeSerialized), 1);
00592 Ebml_Serialize(glob, &ui, sizeof(ui), 4);
00593 }
00594
00595
00596 static void
00597 Ebml_StartSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc,
00598 unsigned long class_id)
00599 {
00600
00601
00602 uint64_t unknownLen = LITERALU64(0x01FFFFFFFFFFFFFF);
00603
00604 Ebml_WriteID(glob, class_id);
00605 *ebmlLoc = ftello(glob->stream);
00606 Ebml_Serialize(glob, &unknownLen, sizeof(unknownLen), 8);
00607 }
00608
00609 static void
00610 Ebml_EndSubElement(EbmlGlobal *glob, EbmlLoc *ebmlLoc)
00611 {
00612 off_t pos;
00613 uint64_t size;
00614
00615
00616 pos = ftello(glob->stream);
00617
00618
00619 size = pos - *ebmlLoc - 8;
00620 size |= LITERALU64(0x0100000000000000);
00621
00622
00623 fseeko(glob->stream, *ebmlLoc, SEEK_SET);
00624 Ebml_Serialize(glob, &size, sizeof(size), 8);
00625
00626
00627 fseeko(glob->stream, pos, SEEK_SET);
00628 }
00629
00630
00631 static void
00632 write_webm_seek_element(EbmlGlobal *ebml, unsigned long id, off_t pos)
00633 {
00634 uint64_t offset = pos - ebml->position_reference;
00635 EbmlLoc start;
00636 Ebml_StartSubElement(ebml, &start, Seek);
00637 Ebml_SerializeBinary(ebml, SeekID, id);
00638 Ebml_SerializeUnsigned64(ebml, SeekPosition, offset);
00639 Ebml_EndSubElement(ebml, &start);
00640 }
00641
00642
00643 static void
00644 write_webm_seek_info(EbmlGlobal *ebml)
00645 {
00646
00647 off_t pos;
00648
00649
00650 pos = ftello(ebml->stream);
00651
00652 if(ebml->seek_info_pos)
00653 fseeko(ebml->stream, ebml->seek_info_pos, SEEK_SET);
00654 else
00655 ebml->seek_info_pos = pos;
00656
00657 {
00658 EbmlLoc start;
00659
00660 Ebml_StartSubElement(ebml, &start, SeekHead);
00661 write_webm_seek_element(ebml, Tracks, ebml->track_pos);
00662 write_webm_seek_element(ebml, Cues, ebml->cue_pos);
00663 write_webm_seek_element(ebml, Info, ebml->segment_info_pos);
00664 Ebml_EndSubElement(ebml, &start);
00665 }
00666 {
00667
00668 EbmlLoc startInfo;
00669 uint64_t frame_time;
00670 char version_string[64];
00671
00672
00673 if(ebml->debug)
00674 strcpy(version_string, "vpxenc");
00675 else
00676 {
00677 strcpy(version_string, "vpxenc ");
00678 strncat(version_string,
00679 vpx_codec_version_str(),
00680 sizeof(version_string) - 1 - strlen(version_string));
00681 }
00682
00683 frame_time = (uint64_t)1000 * ebml->framerate.den
00684 / ebml->framerate.num;
00685 ebml->segment_info_pos = ftello(ebml->stream);
00686 Ebml_StartSubElement(ebml, &startInfo, Info);
00687 Ebml_SerializeUnsigned(ebml, TimecodeScale, 1000000);
00688 Ebml_SerializeFloat(ebml, Segment_Duration,
00689 ebml->last_pts_ms + frame_time);
00690 Ebml_SerializeString(ebml, 0x4D80, version_string);
00691 Ebml_SerializeString(ebml, 0x5741, version_string);
00692 Ebml_EndSubElement(ebml, &startInfo);
00693 }
00694 }
00695
00696
00697 static void
00698 write_webm_file_header(EbmlGlobal *glob,
00699 const vpx_codec_enc_cfg_t *cfg,
00700 const struct vpx_rational *fps,
00701 stereo_format_t stereo_fmt)
00702 {
00703 {
00704 EbmlLoc start;
00705 Ebml_StartSubElement(glob, &start, EBML);
00706 Ebml_SerializeUnsigned(glob, EBMLVersion, 1);
00707 Ebml_SerializeUnsigned(glob, EBMLReadVersion, 1);
00708 Ebml_SerializeUnsigned(glob, EBMLMaxIDLength, 4);
00709 Ebml_SerializeUnsigned(glob, EBMLMaxSizeLength, 8);
00710 Ebml_SerializeString(glob, DocType, "webm");
00711 Ebml_SerializeUnsigned(glob, DocTypeVersion, 2);
00712 Ebml_SerializeUnsigned(glob, DocTypeReadVersion, 2);
00713 Ebml_EndSubElement(glob, &start);
00714 }
00715 {
00716 Ebml_StartSubElement(glob, &glob->startSegment, Segment);
00717 glob->position_reference = ftello(glob->stream);
00718 glob->framerate = *fps;
00719 write_webm_seek_info(glob);
00720
00721 {
00722 EbmlLoc trackStart;
00723 glob->track_pos = ftello(glob->stream);
00724 Ebml_StartSubElement(glob, &trackStart, Tracks);
00725 {
00726 unsigned int trackNumber = 1;
00727 uint64_t trackID = 0;
00728
00729 EbmlLoc start;
00730 Ebml_StartSubElement(glob, &start, TrackEntry);
00731 Ebml_SerializeUnsigned(glob, TrackNumber, trackNumber);
00732 glob->track_id_pos = ftello(glob->stream);
00733 Ebml_SerializeUnsigned32(glob, TrackUID, trackID);
00734 Ebml_SerializeUnsigned(glob, TrackType, 1);
00735 Ebml_SerializeString(glob, CodecID, "V_VP8");
00736 {
00737 unsigned int pixelWidth = cfg->g_w;
00738 unsigned int pixelHeight = cfg->g_h;
00739 float frameRate = (float)fps->num/(float)fps->den;
00740
00741 EbmlLoc videoStart;
00742 Ebml_StartSubElement(glob, &videoStart, Video);
00743 Ebml_SerializeUnsigned(glob, PixelWidth, pixelWidth);
00744 Ebml_SerializeUnsigned(glob, PixelHeight, pixelHeight);
00745 Ebml_SerializeUnsigned(glob, StereoMode, stereo_fmt);
00746 Ebml_SerializeFloat(glob, FrameRate, frameRate);
00747 Ebml_EndSubElement(glob, &videoStart);
00748 }
00749 Ebml_EndSubElement(glob, &start);
00750 }
00751 Ebml_EndSubElement(glob, &trackStart);
00752 }
00753
00754 }
00755 }
00756
00757
00758 static void
00759 write_webm_block(EbmlGlobal *glob,
00760 const vpx_codec_enc_cfg_t *cfg,
00761 const vpx_codec_cx_pkt_t *pkt)
00762 {
00763 unsigned long block_length;
00764 unsigned char track_number;
00765 unsigned short block_timecode = 0;
00766 unsigned char flags;
00767 int64_t pts_ms;
00768 int start_cluster = 0, is_keyframe;
00769
00770
00771 pts_ms = pkt->data.frame.pts * 1000
00772 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
00773 if(pts_ms <= glob->last_pts_ms)
00774 pts_ms = glob->last_pts_ms + 1;
00775 glob->last_pts_ms = pts_ms;
00776
00777
00778 if(pts_ms - glob->cluster_timecode > SHRT_MAX)
00779 start_cluster = 1;
00780 else
00781 block_timecode = pts_ms - glob->cluster_timecode;
00782
00783 is_keyframe = (pkt->data.frame.flags & VPX_FRAME_IS_KEY);
00784 if(start_cluster || is_keyframe)
00785 {
00786 if(glob->cluster_open)
00787 Ebml_EndSubElement(glob, &glob->startCluster);
00788
00789
00790 block_timecode = 0;
00791 glob->cluster_open = 1;
00792 glob->cluster_timecode = pts_ms;
00793 glob->cluster_pos = ftello(glob->stream);
00794 Ebml_StartSubElement(glob, &glob->startCluster, Cluster);
00795 Ebml_SerializeUnsigned(glob, Timecode, glob->cluster_timecode);
00796
00797
00798 if(is_keyframe)
00799 {
00800 struct cue_entry *cue, *new_cue_list;
00801
00802 new_cue_list = realloc(glob->cue_list,
00803 (glob->cues+1) * sizeof(struct cue_entry));
00804 if(new_cue_list)
00805 glob->cue_list = new_cue_list;
00806 else
00807 fatal("Failed to realloc cue list.");
00808
00809 cue = &glob->cue_list[glob->cues];
00810 cue->time = glob->cluster_timecode;
00811 cue->loc = glob->cluster_pos;
00812 glob->cues++;
00813 }
00814 }
00815
00816
00817 Ebml_WriteID(glob, SimpleBlock);
00818
00819 block_length = pkt->data.frame.sz + 4;
00820 block_length |= 0x10000000;
00821 Ebml_Serialize(glob, &block_length, sizeof(block_length), 4);
00822
00823 track_number = 1;
00824 track_number |= 0x80;
00825 Ebml_Write(glob, &track_number, 1);
00826
00827 Ebml_Serialize(glob, &block_timecode, sizeof(block_timecode), 2);
00828
00829 flags = 0;
00830 if(is_keyframe)
00831 flags |= 0x80;
00832 if(pkt->data.frame.flags & VPX_FRAME_IS_INVISIBLE)
00833 flags |= 0x08;
00834 Ebml_Write(glob, &flags, 1);
00835
00836 Ebml_Write(glob, pkt->data.frame.buf, pkt->data.frame.sz);
00837 }
00838
00839
00840 static void
00841 write_webm_file_footer(EbmlGlobal *glob, long hash)
00842 {
00843
00844 if(glob->cluster_open)
00845 Ebml_EndSubElement(glob, &glob->startCluster);
00846
00847 {
00848 EbmlLoc start;
00849 unsigned int i;
00850
00851 glob->cue_pos = ftello(glob->stream);
00852 Ebml_StartSubElement(glob, &start, Cues);
00853 for(i=0; i<glob->cues; i++)
00854 {
00855 struct cue_entry *cue = &glob->cue_list[i];
00856 EbmlLoc start;
00857
00858 Ebml_StartSubElement(glob, &start, CuePoint);
00859 {
00860 EbmlLoc start;
00861
00862 Ebml_SerializeUnsigned(glob, CueTime, cue->time);
00863
00864 Ebml_StartSubElement(glob, &start, CueTrackPositions);
00865 Ebml_SerializeUnsigned(glob, CueTrack, 1);
00866 Ebml_SerializeUnsigned64(glob, CueClusterPosition,
00867 cue->loc - glob->position_reference);
00868
00869 Ebml_EndSubElement(glob, &start);
00870 }
00871 Ebml_EndSubElement(glob, &start);
00872 }
00873 Ebml_EndSubElement(glob, &start);
00874 }
00875
00876 Ebml_EndSubElement(glob, &glob->startSegment);
00877
00878
00879 write_webm_seek_info(glob);
00880
00881
00882 fseeko(glob->stream, glob->track_id_pos, SEEK_SET);
00883 Ebml_SerializeUnsigned32(glob, TrackUID, glob->debug ? 0xDEADBEEF : hash);
00884
00885 fseeko(glob->stream, 0, SEEK_END);
00886 }
00887
00888
00889
00890
00891
00892 static unsigned int murmur ( const void * key, int len, unsigned int seed )
00893 {
00894 const unsigned int m = 0x5bd1e995;
00895 const int r = 24;
00896
00897 unsigned int h = seed ^ len;
00898
00899 const unsigned char * data = (const unsigned char *)key;
00900
00901 while(len >= 4)
00902 {
00903 unsigned int k;
00904
00905 k = data[0];
00906 k |= data[1] << 8;
00907 k |= data[2] << 16;
00908 k |= data[3] << 24;
00909
00910 k *= m;
00911 k ^= k >> r;
00912 k *= m;
00913
00914 h *= m;
00915 h ^= k;
00916
00917 data += 4;
00918 len -= 4;
00919 }
00920
00921 switch(len)
00922 {
00923 case 3: h ^= data[2] << 16;
00924 case 2: h ^= data[1] << 8;
00925 case 1: h ^= data[0];
00926 h *= m;
00927 };
00928
00929 h ^= h >> 13;
00930 h *= m;
00931 h ^= h >> 15;
00932
00933 return h;
00934 }
00935
00936 #include "math.h"
00937
00938 static double vp8_mse2psnr(double Samples, double Peak, double Mse)
00939 {
00940 double psnr;
00941
00942 if ((double)Mse > 0.0)
00943 psnr = 10.0 * log10(Peak * Peak * Samples / Mse);
00944 else
00945 psnr = 60;
00946
00947 if (psnr > 60)
00948 psnr = 60;
00949
00950 return psnr;
00951 }
00952
00953
00954 #include "args.h"
00955 static const arg_def_t debugmode = ARG_DEF("D", "debug", 0,
00956 "Debug mode (makes output deterministic)");
00957 static const arg_def_t outputfile = ARG_DEF("o", "output", 1,
00958 "Output filename");
00959 static const arg_def_t use_yv12 = ARG_DEF(NULL, "yv12", 0,
00960 "Input file is YV12 ");
00961 static const arg_def_t use_i420 = ARG_DEF(NULL, "i420", 0,
00962 "Input file is I420 (default)");
00963 static const arg_def_t codecarg = ARG_DEF(NULL, "codec", 1,
00964 "Codec to use");
00965 static const arg_def_t passes = ARG_DEF("p", "passes", 1,
00966 "Number of passes (1/2)");
00967 static const arg_def_t pass_arg = ARG_DEF(NULL, "pass", 1,
00968 "Pass to execute (1/2)");
00969 static const arg_def_t fpf_name = ARG_DEF(NULL, "fpf", 1,
00970 "First pass statistics file name");
00971 static const arg_def_t limit = ARG_DEF(NULL, "limit", 1,
00972 "Stop encoding after n input frames");
00973 static const arg_def_t deadline = ARG_DEF("d", "deadline", 1,
00974 "Deadline per frame (usec)");
00975 static const arg_def_t best_dl = ARG_DEF(NULL, "best", 0,
00976 "Use Best Quality Deadline");
00977 static const arg_def_t good_dl = ARG_DEF(NULL, "good", 0,
00978 "Use Good Quality Deadline");
00979 static const arg_def_t rt_dl = ARG_DEF(NULL, "rt", 0,
00980 "Use Realtime Quality Deadline");
00981 static const arg_def_t verbosearg = ARG_DEF("v", "verbose", 0,
00982 "Show encoder parameters");
00983 static const arg_def_t psnrarg = ARG_DEF(NULL, "psnr", 0,
00984 "Show PSNR in status line");
00985 static const arg_def_t framerate = ARG_DEF(NULL, "fps", 1,
00986 "Stream frame rate (rate/scale)");
00987 static const arg_def_t use_ivf = ARG_DEF(NULL, "ivf", 0,
00988 "Output IVF (default is WebM)");
00989 static const arg_def_t out_part = ARG_DEF("P", "output-partitions", 0,
00990 "Makes encoder output partitions. Requires IVF output!");
00991 static const arg_def_t q_hist_n = ARG_DEF(NULL, "q-hist", 1,
00992 "Show quantizer histogram (n-buckets)");
00993 static const arg_def_t rate_hist_n = ARG_DEF(NULL, "rate-hist", 1,
00994 "Show rate histogram (n-buckets)");
00995 static const arg_def_t *main_args[] =
00996 {
00997 &debugmode,
00998 &outputfile, &codecarg, &passes, &pass_arg, &fpf_name, &limit, &deadline,
00999 &best_dl, &good_dl, &rt_dl,
01000 &verbosearg, &psnrarg, &use_ivf, &out_part, &q_hist_n, &rate_hist_n,
01001 NULL
01002 };
01003
01004 static const arg_def_t usage = ARG_DEF("u", "usage", 1,
01005 "Usage profile number to use");
01006 static const arg_def_t threads = ARG_DEF("t", "threads", 1,
01007 "Max number of threads to use");
01008 static const arg_def_t profile = ARG_DEF(NULL, "profile", 1,
01009 "Bitstream profile number to use");
01010 static const arg_def_t width = ARG_DEF("w", "width", 1,
01011 "Frame width");
01012 static const arg_def_t height = ARG_DEF("h", "height", 1,
01013 "Frame height");
01014 static const struct arg_enum_list stereo_mode_enum[] = {
01015 {"mono" , STEREO_FORMAT_MONO},
01016 {"left-right", STEREO_FORMAT_LEFT_RIGHT},
01017 {"bottom-top", STEREO_FORMAT_BOTTOM_TOP},
01018 {"top-bottom", STEREO_FORMAT_TOP_BOTTOM},
01019 {"right-left", STEREO_FORMAT_RIGHT_LEFT},
01020 {NULL, 0}
01021 };
01022 static const arg_def_t stereo_mode = ARG_DEF_ENUM(NULL, "stereo-mode", 1,
01023 "Stereo 3D video format", stereo_mode_enum);
01024 static const arg_def_t timebase = ARG_DEF(NULL, "timebase", 1,
01025 "Output timestamp precision (fractional seconds)");
01026 static const arg_def_t error_resilient = ARG_DEF(NULL, "error-resilient", 1,
01027 "Enable error resiliency features");
01028 static const arg_def_t lag_in_frames = ARG_DEF(NULL, "lag-in-frames", 1,
01029 "Max number of frames to lag");
01030
01031 static const arg_def_t *global_args[] =
01032 {
01033 &use_yv12, &use_i420, &usage, &threads, &profile,
01034 &width, &height, &stereo_mode, &timebase, &framerate, &error_resilient,
01035 &lag_in_frames, NULL
01036 };
01037
01038 static const arg_def_t dropframe_thresh = ARG_DEF(NULL, "drop-frame", 1,
01039 "Temporal resampling threshold (buf %)");
01040 static const arg_def_t resize_allowed = ARG_DEF(NULL, "resize-allowed", 1,
01041 "Spatial resampling enabled (bool)");
01042 static const arg_def_t resize_up_thresh = ARG_DEF(NULL, "resize-up", 1,
01043 "Upscale threshold (buf %)");
01044 static const arg_def_t resize_down_thresh = ARG_DEF(NULL, "resize-down", 1,
01045 "Downscale threshold (buf %)");
01046 static const struct arg_enum_list end_usage_enum[] = {
01047 {"vbr", VPX_VBR},
01048 {"cbr", VPX_CBR},
01049 {"cq", VPX_CQ},
01050 {NULL, 0}
01051 };
01052 static const arg_def_t end_usage = ARG_DEF_ENUM(NULL, "end-usage", 1,
01053 "Rate control mode", end_usage_enum);
01054 static const arg_def_t target_bitrate = ARG_DEF(NULL, "target-bitrate", 1,
01055 "Bitrate (kbps)");
01056 static const arg_def_t min_quantizer = ARG_DEF(NULL, "min-q", 1,
01057 "Minimum (best) quantizer");
01058 static const arg_def_t max_quantizer = ARG_DEF(NULL, "max-q", 1,
01059 "Maximum (worst) quantizer");
01060 static const arg_def_t undershoot_pct = ARG_DEF(NULL, "undershoot-pct", 1,
01061 "Datarate undershoot (min) target (%)");
01062 static const arg_def_t overshoot_pct = ARG_DEF(NULL, "overshoot-pct", 1,
01063 "Datarate overshoot (max) target (%)");
01064 static const arg_def_t buf_sz = ARG_DEF(NULL, "buf-sz", 1,
01065 "Client buffer size (ms)");
01066 static const arg_def_t buf_initial_sz = ARG_DEF(NULL, "buf-initial-sz", 1,
01067 "Client initial buffer size (ms)");
01068 static const arg_def_t buf_optimal_sz = ARG_DEF(NULL, "buf-optimal-sz", 1,
01069 "Client optimal buffer size (ms)");
01070 static const arg_def_t *rc_args[] =
01071 {
01072 &dropframe_thresh, &resize_allowed, &resize_up_thresh, &resize_down_thresh,
01073 &end_usage, &target_bitrate, &min_quantizer, &max_quantizer,
01074 &undershoot_pct, &overshoot_pct, &buf_sz, &buf_initial_sz, &buf_optimal_sz,
01075 NULL
01076 };
01077
01078
01079 static const arg_def_t bias_pct = ARG_DEF(NULL, "bias-pct", 1,
01080 "CBR/VBR bias (0=CBR, 100=VBR)");
01081 static const arg_def_t minsection_pct = ARG_DEF(NULL, "minsection-pct", 1,
01082 "GOP min bitrate (% of target)");
01083 static const arg_def_t maxsection_pct = ARG_DEF(NULL, "maxsection-pct", 1,
01084 "GOP max bitrate (% of target)");
01085 static const arg_def_t *rc_twopass_args[] =
01086 {
01087 &bias_pct, &minsection_pct, &maxsection_pct, NULL
01088 };
01089
01090
01091 static const arg_def_t kf_min_dist = ARG_DEF(NULL, "kf-min-dist", 1,
01092 "Minimum keyframe interval (frames)");
01093 static const arg_def_t kf_max_dist = ARG_DEF(NULL, "kf-max-dist", 1,
01094 "Maximum keyframe interval (frames)");
01095 static const arg_def_t kf_disabled = ARG_DEF(NULL, "disable-kf", 0,
01096 "Disable keyframe placement");
01097 static const arg_def_t *kf_args[] =
01098 {
01099 &kf_min_dist, &kf_max_dist, &kf_disabled, NULL
01100 };
01101
01102
01103 #if CONFIG_VP8_ENCODER
01104 static const arg_def_t noise_sens = ARG_DEF(NULL, "noise-sensitivity", 1,
01105 "Noise sensitivity (frames to blur)");
01106 static const arg_def_t sharpness = ARG_DEF(NULL, "sharpness", 1,
01107 "Filter sharpness (0-7)");
01108 static const arg_def_t static_thresh = ARG_DEF(NULL, "static-thresh", 1,
01109 "Motion detection threshold");
01110 #endif
01111
01112 #if CONFIG_VP8_ENCODER
01113 static const arg_def_t cpu_used = ARG_DEF(NULL, "cpu-used", 1,
01114 "CPU Used (-16..16)");
01115 #endif
01116
01117
01118 #if CONFIG_VP8_ENCODER
01119 static const arg_def_t token_parts = ARG_DEF(NULL, "token-parts", 1,
01120 "Number of token partitions to use, log2");
01121 static const arg_def_t auto_altref = ARG_DEF(NULL, "auto-alt-ref", 1,
01122 "Enable automatic alt reference frames");
01123 static const arg_def_t arnr_maxframes = ARG_DEF(NULL, "arnr-maxframes", 1,
01124 "AltRef Max Frames");
01125 static const arg_def_t arnr_strength = ARG_DEF(NULL, "arnr-strength", 1,
01126 "AltRef Strength");
01127 static const arg_def_t arnr_type = ARG_DEF(NULL, "arnr-type", 1,
01128 "AltRef Type");
01129 static const struct arg_enum_list tuning_enum[] = {
01130 {"psnr", VP8_TUNE_PSNR},
01131 {"ssim", VP8_TUNE_SSIM},
01132 {NULL, 0}
01133 };
01134 static const arg_def_t tune_ssim = ARG_DEF_ENUM(NULL, "tune", 1,
01135 "Material to favor", tuning_enum);
01136 static const arg_def_t cq_level = ARG_DEF(NULL, "cq-level", 1,
01137 "Constrained Quality Level");
01138 static const arg_def_t max_intra_rate_pct = ARG_DEF(NULL, "max-intra-rate", 1,
01139 "Max I-frame bitrate (pct)");
01140
01141 static const arg_def_t *vp8_args[] =
01142 {
01143 &cpu_used, &auto_altref, &noise_sens, &sharpness, &static_thresh,
01144 &token_parts, &arnr_maxframes, &arnr_strength, &arnr_type,
01145 &tune_ssim, &cq_level, &max_intra_rate_pct, NULL
01146 };
01147 static const int vp8_arg_ctrl_map[] =
01148 {
01149 VP8E_SET_CPUUSED, VP8E_SET_ENABLEAUTOALTREF,
01150 VP8E_SET_NOISE_SENSITIVITY, VP8E_SET_SHARPNESS, VP8E_SET_STATIC_THRESHOLD,
01151 VP8E_SET_TOKEN_PARTITIONS,
01152 VP8E_SET_ARNR_MAXFRAMES, VP8E_SET_ARNR_STRENGTH , VP8E_SET_ARNR_TYPE,
01153 VP8E_SET_TUNING, VP8E_SET_CQ_LEVEL, VP8E_SET_MAX_INTRA_BITRATE_PCT, 0
01154 };
01155 #endif
01156
01157 static const arg_def_t *no_args[] = { NULL };
01158
01159 static void usage_exit()
01160 {
01161 int i;
01162
01163 fprintf(stderr, "Usage: %s <options> -o dst_filename src_filename \n",
01164 exec_name);
01165
01166 fprintf(stderr, "\nOptions:\n");
01167 arg_show_usage(stdout, main_args);
01168 fprintf(stderr, "\nEncoder Global Options:\n");
01169 arg_show_usage(stdout, global_args);
01170 fprintf(stderr, "\nRate Control Options:\n");
01171 arg_show_usage(stdout, rc_args);
01172 fprintf(stderr, "\nTwopass Rate Control Options:\n");
01173 arg_show_usage(stdout, rc_twopass_args);
01174 fprintf(stderr, "\nKeyframe Placement Options:\n");
01175 arg_show_usage(stdout, kf_args);
01176 #if CONFIG_VP8_ENCODER
01177 fprintf(stderr, "\nVP8 Specific Options:\n");
01178 arg_show_usage(stdout, vp8_args);
01179 #endif
01180 fprintf(stderr, "\nStream timebase (--timebase):\n"
01181 " The desired precision of timestamps in the output, expressed\n"
01182 " in fractional seconds. Default is 1/1000.\n");
01183 fprintf(stderr, "\n"
01184 "Included encoders:\n"
01185 "\n");
01186
01187 for (i = 0; i < sizeof(codecs) / sizeof(codecs[0]); i++)
01188 fprintf(stderr, " %-6s - %s\n",
01189 codecs[i].name,
01190 vpx_codec_iface_name(codecs[i].iface));
01191
01192 exit(EXIT_FAILURE);
01193 }
01194
01195
01196 #define HIST_BAR_MAX 40
01197 struct hist_bucket
01198 {
01199 int low, high, count;
01200 };
01201
01202
01203 static int merge_hist_buckets(struct hist_bucket *bucket,
01204 int *buckets_,
01205 int max_buckets)
01206 {
01207 int small_bucket = 0, merge_bucket = INT_MAX, big_bucket=0;
01208 int buckets = *buckets_;
01209 int i;
01210
01211
01212 big_bucket = small_bucket = 0;
01213 for(i=0; i < buckets; i++)
01214 {
01215 if(bucket[i].count < bucket[small_bucket].count)
01216 small_bucket = i;
01217 if(bucket[i].count > bucket[big_bucket].count)
01218 big_bucket = i;
01219 }
01220
01221
01222
01223
01224 while(buckets > max_buckets)
01225 {
01226 int last_bucket = buckets - 1;
01227
01228
01229 if(small_bucket == 0)
01230 merge_bucket = 1;
01231 else if(small_bucket == last_bucket)
01232 merge_bucket = last_bucket - 1;
01233 else if(bucket[small_bucket - 1].count < bucket[small_bucket + 1].count)
01234 merge_bucket = small_bucket - 1;
01235 else
01236 merge_bucket = small_bucket + 1;
01237
01238 assert(abs(merge_bucket - small_bucket) <= 1);
01239 assert(small_bucket < buckets);
01240 assert(big_bucket < buckets);
01241 assert(merge_bucket < buckets);
01242
01243 if(merge_bucket < small_bucket)
01244 {
01245 bucket[merge_bucket].high = bucket[small_bucket].high;
01246 bucket[merge_bucket].count += bucket[small_bucket].count;
01247 }
01248 else
01249 {
01250 bucket[small_bucket].high = bucket[merge_bucket].high;
01251 bucket[small_bucket].count += bucket[merge_bucket].count;
01252 merge_bucket = small_bucket;
01253 }
01254
01255 assert(bucket[merge_bucket].low != bucket[merge_bucket].high);
01256
01257 buckets--;
01258
01259
01260
01261
01262 big_bucket = small_bucket = 0;
01263 for(i=0; i < buckets; i++)
01264 {
01265 if(i > merge_bucket)
01266 bucket[i] = bucket[i+1];
01267
01268 if(bucket[i].count < bucket[small_bucket].count)
01269 small_bucket = i;
01270 if(bucket[i].count > bucket[big_bucket].count)
01271 big_bucket = i;
01272 }
01273
01274 }
01275
01276 *buckets_ = buckets;
01277 return bucket[big_bucket].count;
01278 }
01279
01280
01281 static void show_histogram(const struct hist_bucket *bucket,
01282 int buckets,
01283 int total,
01284 int scale)
01285 {
01286 const char *pat1, *pat2;
01287 int i;
01288
01289 switch((int)(log(bucket[buckets-1].high)/log(10))+1)
01290 {
01291 case 1:
01292 case 2:
01293 pat1 = "%4d %2s: ";
01294 pat2 = "%4d-%2d: ";
01295 break;
01296 case 3:
01297 pat1 = "%5d %3s: ";
01298 pat2 = "%5d-%3d: ";
01299 break;
01300 case 4:
01301 pat1 = "%6d %4s: ";
01302 pat2 = "%6d-%4d: ";
01303 break;
01304 case 5:
01305 pat1 = "%7d %5s: ";
01306 pat2 = "%7d-%5d: ";
01307 break;
01308 case 6:
01309 pat1 = "%8d %6s: ";
01310 pat2 = "%8d-%6d: ";
01311 break;
01312 case 7:
01313 pat1 = "%9d %7s: ";
01314 pat2 = "%9d-%7d: ";
01315 break;
01316 default:
01317 pat1 = "%12d %10s: ";
01318 pat2 = "%12d-%10d: ";
01319 break;
01320 }
01321
01322 for(i=0; i<buckets; i++)
01323 {
01324 int len;
01325 int j;
01326 float pct;
01327
01328 pct = 100.0 * (float)bucket[i].count / (float)total;
01329 len = HIST_BAR_MAX * bucket[i].count / scale;
01330 if(len < 1)
01331 len = 1;
01332 assert(len <= HIST_BAR_MAX);
01333
01334 if(bucket[i].low == bucket[i].high)
01335 fprintf(stderr, pat1, bucket[i].low, "");
01336 else
01337 fprintf(stderr, pat2, bucket[i].low, bucket[i].high);
01338
01339 for(j=0; j<HIST_BAR_MAX; j++)
01340 fprintf(stderr, j<len?"=":" ");
01341 fprintf(stderr, "\t%5d (%6.2f%%)\n",bucket[i].count,pct);
01342 }
01343 }
01344
01345
01346 static void show_q_histogram(const int counts[64], int max_buckets)
01347 {
01348 struct hist_bucket bucket[64];
01349 int buckets = 0;
01350 int total = 0;
01351 int scale;
01352 int i;
01353
01354
01355 for(i=0; i<64; i++)
01356 {
01357 if(counts[i])
01358 {
01359 bucket[buckets].low = bucket[buckets].high = i;
01360 bucket[buckets].count = counts[i];
01361 buckets++;
01362 total += counts[i];
01363 }
01364 }
01365
01366 fprintf(stderr, "\nQuantizer Selection:\n");
01367 scale = merge_hist_buckets(bucket, &buckets, max_buckets);
01368 show_histogram(bucket, buckets, total, scale);
01369 }
01370
01371
01372 #define RATE_BINS (100)
01373 struct rate_hist
01374 {
01375 int64_t *pts;
01376 int *sz;
01377 int samples;
01378 int frames;
01379 struct hist_bucket bucket[RATE_BINS];
01380 int total;
01381 };
01382
01383
01384 static void init_rate_histogram(struct rate_hist *hist,
01385 const vpx_codec_enc_cfg_t *cfg,
01386 const vpx_rational_t *fps)
01387 {
01388 int i;
01389
01390
01391
01392
01393
01394 hist->samples = cfg->rc_buf_sz * 5 / 4 * fps->num / fps->den / 1000;
01395
01396
01397 if (hist->samples == 0)
01398 hist->samples=1;
01399
01400 hist->pts = calloc(hist->samples, sizeof(*hist->pts));
01401 hist->sz = calloc(hist->samples, sizeof(*hist->sz));
01402 for(i=0; i<RATE_BINS; i++)
01403 {
01404 hist->bucket[i].low = INT_MAX;
01405 hist->bucket[i].high = 0;
01406 hist->bucket[i].count = 0;
01407 }
01408 }
01409
01410
01411 static void destroy_rate_histogram(struct rate_hist *hist)
01412 {
01413 free(hist->pts);
01414 free(hist->sz);
01415 }
01416
01417
01418 static void update_rate_histogram(struct rate_hist *hist,
01419 const vpx_codec_enc_cfg_t *cfg,
01420 const vpx_codec_cx_pkt_t *pkt)
01421 {
01422 int i, idx;
01423 int64_t now, then, sum_sz = 0, avg_bitrate;
01424
01425 now = pkt->data.frame.pts * 1000
01426 * (uint64_t)cfg->g_timebase.num / (uint64_t)cfg->g_timebase.den;
01427
01428 idx = hist->frames++ % hist->samples;
01429 hist->pts[idx] = now;
01430 hist->sz[idx] = pkt->data.frame.sz;
01431
01432 if(now < cfg->rc_buf_initial_sz)
01433 return;
01434
01435 then = now;
01436
01437
01438 for(i = hist->frames; i > 0 && hist->frames - i < hist->samples; i--)
01439 {
01440 int i_idx = (i-1) % hist->samples;
01441
01442 then = hist->pts[i_idx];
01443 if(now - then > cfg->rc_buf_sz)
01444 break;
01445 sum_sz += hist->sz[i_idx];
01446 }
01447
01448 if (now == then)
01449 return;
01450
01451 avg_bitrate = sum_sz * 8 * 1000 / (now - then);
01452 idx = avg_bitrate * (RATE_BINS/2) / (cfg->rc_target_bitrate * 1000);
01453 if(idx < 0)
01454 idx = 0;
01455 if(idx > RATE_BINS-1)
01456 idx = RATE_BINS-1;
01457 if(hist->bucket[idx].low > avg_bitrate)
01458 hist->bucket[idx].low = avg_bitrate;
01459 if(hist->bucket[idx].high < avg_bitrate)
01460 hist->bucket[idx].high = avg_bitrate;
01461 hist->bucket[idx].count++;
01462 hist->total++;
01463 }
01464
01465
01466 static void show_rate_histogram(struct rate_hist *hist,
01467 const vpx_codec_enc_cfg_t *cfg,
01468 int max_buckets)
01469 {
01470 int i, scale;
01471 int buckets = 0;
01472
01473 for(i = 0; i < RATE_BINS; i++)
01474 {
01475 if(hist->bucket[i].low == INT_MAX)
01476 continue;
01477 hist->bucket[buckets++] = hist->bucket[i];
01478 }
01479
01480 fprintf(stderr, "\nRate (over %dms window):\n", cfg->rc_buf_sz);
01481 scale = merge_hist_buckets(hist->bucket, &buckets, max_buckets);
01482 show_histogram(hist->bucket, buckets, hist->total, scale);
01483 }
01484
01485 #define NELEMENTS(x) (sizeof(x)/sizeof(x[0]))
01486 #define ARG_CTRL_CNT_MAX NELEMENTS(vp8_arg_ctrl_map)
01487
01488
01489
01490 struct global_config
01491 {
01492 const struct codec_item *codec;
01493 int passes;
01494 int pass;
01495 int usage;
01496 int deadline;
01497 int use_i420;
01498 int verbose;
01499 int limit;
01500 int show_psnr;
01501 int have_framerate;
01502 struct vpx_rational framerate;
01503 int out_part;
01504 int debug;
01505 int show_q_hist_buckets;
01506 int show_rate_hist_buckets;
01507 };
01508
01509
01510
01511 struct stream_config
01512 {
01513 struct vpx_codec_enc_cfg cfg;
01514 const char *out_fn;
01515 const char *stats_fn;
01516 stereo_format_t stereo_fmt;
01517 int arg_ctrls[ARG_CTRL_CNT_MAX][2];
01518 int arg_ctrl_cnt;
01519 int write_webm;
01520 int have_kf_max_dist;
01521 };
01522
01523
01524 struct stream_state
01525 {
01526 int index;
01527 struct stream_state *next;
01528 struct stream_config config;
01529 FILE *file;
01530 struct rate_hist rate_hist;
01531 EbmlGlobal ebml;
01532 uint32_t hash;
01533 uint64_t psnr_sse_total;
01534 uint64_t psnr_samples_total;
01535 double psnr_totals[4];
01536 int psnr_count;
01537 int counts[64];
01538 vpx_codec_ctx_t encoder;
01539 unsigned int frames_out;
01540 uint64_t cx_time;
01541 size_t nbytes;
01542 stats_io_t stats;
01543 };
01544
01545
01546 void validate_positive_rational(const char *msg,
01547 struct vpx_rational *rat)
01548 {
01549 if (rat->den < 0)
01550 {
01551 rat->num *= -1;
01552 rat->den *= -1;
01553 }
01554
01555 if (rat->num < 0)
01556 die("Error: %s must be positive\n", msg);
01557
01558 if (!rat->den)
01559 die("Error: %s has zero denominator\n", msg);
01560 }
01561
01562
01563 static void parse_global_config(struct global_config *global, char **argv)
01564 {
01565 char **argi, **argj;
01566 struct arg arg;
01567
01568
01569 memset(global, 0, sizeof(*global));
01570 global->codec = codecs;
01571 global->passes = 1;
01572 global->use_i420 = 1;
01573
01574 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
01575 {
01576 arg.argv_step = 1;
01577
01578 if (arg_match(&arg, &codecarg, argi))
01579 {
01580 int j, k = -1;
01581
01582 for (j = 0; j < sizeof(codecs) / sizeof(codecs[0]); j++)
01583 if (!strcmp(codecs[j].name, arg.val))
01584 k = j;
01585
01586 if (k >= 0)
01587 global->codec = codecs + k;
01588 else
01589 die("Error: Unrecognized argument (%s) to --codec\n",
01590 arg.val);
01591
01592 }
01593 else if (arg_match(&arg, &passes, argi))
01594 {
01595 global->passes = arg_parse_uint(&arg);
01596
01597 if (global->passes < 1 || global->passes > 2)
01598 die("Error: Invalid number of passes (%d)\n", global->passes);
01599 }
01600 else if (arg_match(&arg, &pass_arg, argi))
01601 {
01602 global->pass = arg_parse_uint(&arg);
01603
01604 if (global->pass < 1 || global->pass > 2)
01605 die("Error: Invalid pass selected (%d)\n",
01606 global->pass);
01607 }
01608 else if (arg_match(&arg, &usage, argi))
01609 global->usage = arg_parse_uint(&arg);
01610 else if (arg_match(&arg, &deadline, argi))
01611 global->deadline = arg_parse_uint(&arg);
01612 else if (arg_match(&arg, &best_dl, argi))
01613 global->deadline = VPX_DL_BEST_QUALITY;
01614 else if (arg_match(&arg, &good_dl, argi))
01615 global->deadline = VPX_DL_GOOD_QUALITY;
01616 else if (arg_match(&arg, &rt_dl, argi))
01617 global->deadline = VPX_DL_REALTIME;
01618 else if (arg_match(&arg, &use_yv12, argi))
01619 global->use_i420 = 0;
01620 else if (arg_match(&arg, &use_i420, argi))
01621 global->use_i420 = 1;
01622 else if (arg_match(&arg, &verbosearg, argi))
01623 global->verbose = 1;
01624 else if (arg_match(&arg, &limit, argi))
01625 global->limit = arg_parse_uint(&arg);
01626 else if (arg_match(&arg, &psnrarg, argi))
01627 global->show_psnr = 1;
01628 else if (arg_match(&arg, &framerate, argi))
01629 {
01630 global->framerate = arg_parse_rational(&arg);
01631 validate_positive_rational(arg.name, &global->framerate);
01632 global->have_framerate = 1;
01633 }
01634 else if (arg_match(&arg,&out_part, argi))
01635 global->out_part = 1;
01636 else if (arg_match(&arg, &debugmode, argi))
01637 global->debug = 1;
01638 else if (arg_match(&arg, &q_hist_n, argi))
01639 global->show_q_hist_buckets = arg_parse_uint(&arg);
01640 else if (arg_match(&arg, &rate_hist_n, argi))
01641 global->show_rate_hist_buckets = arg_parse_uint(&arg);
01642 else
01643 argj++;
01644 }
01645
01646
01647
01648 if (global->pass)
01649 {
01650
01651 if (global->pass > global->passes)
01652 {
01653 warn("Assuming --pass=%d implies --passes=%d\n",
01654 global->pass, global->pass);
01655 global->passes = global->pass;
01656 }
01657 }
01658 }
01659
01660
01661 void open_input_file(struct input_state *input)
01662 {
01663 unsigned int fourcc;
01664
01665
01666 input->file = strcmp(input->fn, "-") ? fopen(input->fn, "rb")
01667 : set_binary_mode(stdin);
01668
01669 if (!input->file)
01670 fatal("Failed to open input file");
01671
01672
01673
01674
01675 input->detect.buf_read = fread(input->detect.buf, 1, 4, input->file);
01676 input->detect.position = 0;
01677
01678 if (input->detect.buf_read == 4
01679 && file_is_y4m(input->file, &input->y4m, input->detect.buf))
01680 {
01681 if (y4m_input_open(&input->y4m, input->file, input->detect.buf, 4) >= 0)
01682 {
01683 input->file_type = FILE_TYPE_Y4M;
01684 input->w = input->y4m.pic_w;
01685 input->h = input->y4m.pic_h;
01686 input->framerate.num = input->y4m.fps_n;
01687 input->framerate.den = input->y4m.fps_d;
01688 input->use_i420 = 0;
01689 }
01690 else
01691 fatal("Unsupported Y4M stream.");
01692 }
01693 else if (input->detect.buf_read == 4 && file_is_ivf(input, &fourcc))
01694 {
01695 input->file_type = FILE_TYPE_IVF;
01696 switch (fourcc)
01697 {
01698 case 0x32315659:
01699 input->use_i420 = 0;
01700 break;
01701 case 0x30323449:
01702 input->use_i420 = 1;
01703 break;
01704 default:
01705 fatal("Unsupported fourcc (%08x) in IVF", fourcc);
01706 }
01707 }
01708 else
01709 {
01710 input->file_type = FILE_TYPE_RAW;
01711 }
01712 }
01713
01714
01715 static void close_input_file(struct input_state *input)
01716 {
01717 fclose(input->file);
01718 if (input->file_type == FILE_TYPE_Y4M)
01719 y4m_input_close(&input->y4m);
01720 }
01721
01722 static struct stream_state *new_stream(struct global_config *global,
01723 struct stream_state *prev)
01724 {
01725 struct stream_state *stream;
01726
01727 stream = calloc(1, sizeof(*stream));
01728 if(!stream)
01729 fatal("Failed to allocate new stream.");
01730 if(prev)
01731 {
01732 memcpy(stream, prev, sizeof(*stream));
01733 stream->index++;
01734 prev->next = stream;
01735 }
01736 else
01737 {
01738 vpx_codec_err_t res;
01739
01740
01741 res = vpx_codec_enc_config_default(global->codec->iface,
01742 &stream->config.cfg,
01743 global->usage);
01744 if (res)
01745 fatal("Failed to get config: %s\n", vpx_codec_err_to_string(res));
01746
01747
01748
01749
01750 stream->config.cfg.g_timebase.den = 1000;
01751
01752
01753
01754
01755 stream->config.cfg.g_w = 0;
01756 stream->config.cfg.g_h = 0;
01757
01758
01759 stream->config.stereo_fmt = STEREO_FORMAT_MONO;
01760 stream->config.write_webm = 1;
01761 stream->ebml.last_pts_ms = -1;
01762
01763
01764 stream->ebml.debug = global->debug;
01765 }
01766
01767
01768 stream->config.out_fn = NULL;
01769
01770 stream->next = NULL;
01771 return stream;
01772 }
01773
01774
01775 static int parse_stream_params(struct global_config *global,
01776 struct stream_state *stream,
01777 char **argv)
01778 {
01779 char **argi, **argj;
01780 struct arg arg;
01781 static const arg_def_t **ctrl_args = no_args;
01782 static const int *ctrl_args_map = NULL;
01783 struct stream_config *config = &stream->config;
01784 int eos_mark_found = 0;
01785
01786
01787 if (global->codec->iface == &vpx_codec_vp8_cx_algo)
01788 {
01789 ctrl_args = vp8_args;
01790 ctrl_args_map = vp8_arg_ctrl_map;
01791 }
01792
01793 for (argi = argj = argv; (*argj = *argi); argi += arg.argv_step)
01794 {
01795 arg.argv_step = 1;
01796
01797
01798
01799
01800 if (eos_mark_found)
01801 {
01802 argj++;
01803 continue;
01804 }
01805 else if (!strcmp(*argj, "--"))
01806 {
01807 eos_mark_found = 1;
01808 continue;
01809 }
01810
01811 if (0);
01812 else if (arg_match(&arg, &outputfile, argi))
01813 config->out_fn = arg.val;
01814 else if (arg_match(&arg, &fpf_name, argi))
01815 config->stats_fn = arg.val;
01816 else if (arg_match(&arg, &use_ivf, argi))
01817 config->write_webm = 0;
01818 else if (arg_match(&arg, &threads, argi))
01819 config->cfg.g_threads = arg_parse_uint(&arg);
01820 else if (arg_match(&arg, &profile, argi))
01821 config->cfg.g_profile = arg_parse_uint(&arg);
01822 else if (arg_match(&arg, &width, argi))
01823 config->cfg.g_w = arg_parse_uint(&arg);
01824 else if (arg_match(&arg, &height, argi))
01825 config->cfg.g_h = arg_parse_uint(&arg);
01826 else if (arg_match(&arg, &stereo_mode, argi))
01827 config->stereo_fmt = arg_parse_enum_or_int(&arg);
01828 else if (arg_match(&arg, &timebase, argi))
01829 {
01830 config->cfg.g_timebase = arg_parse_rational(&arg);
01831 validate_positive_rational(arg.name, &config->cfg.g_timebase);
01832 }
01833 else if (arg_match(&arg, &error_resilient, argi))
01834 config->cfg.g_error_resilient = arg_parse_uint(&arg);
01835 else if (arg_match(&arg, &lag_in_frames, argi))
01836 config->cfg.g_lag_in_frames = arg_parse_uint(&arg);
01837 else if (arg_match(&arg, &dropframe_thresh, argi))
01838 config->cfg.rc_dropframe_thresh = arg_parse_uint(&arg);
01839 else if (arg_match(&arg, &resize_allowed, argi))
01840 config->cfg.rc_resize_allowed = arg_parse_uint(&arg);
01841 else if (arg_match(&arg, &resize_up_thresh, argi))
01842 config->cfg.rc_resize_up_thresh = arg_parse_uint(&arg);
01843 else if (arg_match(&arg, &resize_down_thresh, argi))
01844 config->cfg.rc_resize_down_thresh = arg_parse_uint(&arg);
01845 else if (arg_match(&arg, &end_usage, argi))
01846 config->cfg.rc_end_usage = arg_parse_enum_or_int(&arg);
01847 else if (arg_match(&arg, &target_bitrate, argi))
01848 config->cfg.rc_target_bitrate = arg_parse_uint(&arg);
01849 else if (arg_match(&arg, &min_quantizer, argi))
01850 config->cfg.rc_min_quantizer = arg_parse_uint(&arg);
01851 else if (arg_match(&arg, &max_quantizer, argi))
01852 config->cfg.rc_max_quantizer = arg_parse_uint(&arg);
01853 else if (arg_match(&arg, &undershoot_pct, argi))
01854 config->cfg.rc_undershoot_pct = arg_parse_uint(&arg);
01855 else if (arg_match(&arg, &overshoot_pct, argi))
01856 config->cfg.rc_overshoot_pct = arg_parse_uint(&arg);
01857 else if (arg_match(&arg, &buf_sz, argi))
01858 config->cfg.rc_buf_sz = arg_parse_uint(&arg);
01859 else if (arg_match(&arg, &buf_initial_sz, argi))
01860 config->cfg.rc_buf_initial_sz = arg_parse_uint(&arg);
01861 else if (arg_match(&arg, &buf_optimal_sz, argi))
01862 config->cfg.rc_buf_optimal_sz = arg_parse_uint(&arg);
01863 else if (arg_match(&arg, &bias_pct, argi))
01864 {
01865 config->cfg.rc_2pass_vbr_bias_pct = arg_parse_uint(&arg);
01866
01867 if (global->passes < 2)
01868 warn("option %s ignored in one-pass mode.\n", arg.name);
01869 }
01870 else if (arg_match(&arg, &minsection_pct, argi))
01871 {
01872 config->cfg.rc_2pass_vbr_minsection_pct = arg_parse_uint(&arg);
01873
01874 if (global->passes < 2)
01875 warn("option %s ignored in one-pass mode.\n", arg.name);
01876 }
01877 else if (arg_match(&arg, &maxsection_pct, argi))
01878 {
01879 config->cfg.rc_2pass_vbr_maxsection_pct = arg_parse_uint(&arg);
01880
01881 if (global->passes < 2)
01882 warn("option %s ignored in one-pass mode.\n", arg.name);
01883 }
01884 else if (arg_match(&arg, &kf_min_dist, argi))
01885 config->cfg.kf_min_dist = arg_parse_uint(&arg);
01886 else if (arg_match(&arg, &kf_max_dist, argi))
01887 {
01888 config->cfg.kf_max_dist = arg_parse_uint(&arg);
01889 config->have_kf_max_dist = 1;
01890 }
01891 else if (arg_match(&arg, &kf_disabled, argi))
01892 config->cfg.kf_mode = VPX_KF_DISABLED;
01893 else
01894 {
01895 int i, match = 0;
01896
01897 for (i = 0; ctrl_args[i]; i++)
01898 {
01899 if (arg_match(&arg, ctrl_args[i], argi))
01900 {
01901 int j;
01902 match = 1;
01903
01904
01905
01906
01907 for(j=0; j<config->arg_ctrl_cnt; j++)
01908 if(config->arg_ctrls[j][0] == ctrl_args_map[i])
01909 break;
01910
01911
01912 assert(j < ARG_CTRL_CNT_MAX);
01913 if (j < ARG_CTRL_CNT_MAX)
01914 {
01915 config->arg_ctrls[j][0] = ctrl_args_map[i];
01916 config->arg_ctrls[j][1] = arg_parse_enum_or_int(&arg);
01917 if(j == config->arg_ctrl_cnt)
01918 config->arg_ctrl_cnt++;
01919 }
01920
01921 }
01922 }
01923
01924 if (!match)
01925 argj++;
01926 }
01927 }
01928
01929 return eos_mark_found;
01930 }
01931
01932
01933 #define FOREACH_STREAM(func)\
01934 do\
01935 {\
01936 struct stream_state *stream;\
01937 \
01938 for(stream = streams; stream; stream = stream->next)\
01939 func;\
01940 }while(0)
01941
01942
01943 static void validate_stream_config(struct stream_state *stream)
01944 {
01945 struct stream_state *streami;
01946
01947 if(!stream->config.cfg.g_w || !stream->config.cfg.g_h)
01948 fatal("Stream %d: Specify stream dimensions with --width (-w) "
01949 " and --height (-h)", stream->index);
01950
01951 for(streami = stream; streami; streami = streami->next)
01952 {
01953
01954 if(!streami->config.out_fn)
01955 fatal("Stream %d: Output file is required (specify with -o)",
01956 streami->index);
01957
01958
01959 if(streami != stream)
01960 {
01961 const char *a = stream->config.out_fn;
01962 const char *b = streami->config.out_fn;
01963 if(!strcmp(a,b) && strcmp(a, "/dev/null") && strcmp(a, ":nul"))
01964 fatal("Stream %d: duplicate output file (from stream %d)",
01965 streami->index, stream->index);
01966 }
01967
01968
01969 if(streami != stream)
01970 {
01971 const char *a = stream->config.stats_fn;
01972 const char *b = streami->config.stats_fn;
01973 if(a && b && !strcmp(a,b))
01974 fatal("Stream %d: duplicate stats file (from stream %d)",
01975 streami->index, stream->index);
01976 }
01977 }
01978 }
01979
01980
01981 static void set_stream_dimensions(struct stream_state *stream,
01982 unsigned int w,
01983 unsigned int h)
01984 {
01985 if ((stream->config.cfg.g_w && stream->config.cfg.g_w != w)
01986 ||(stream->config.cfg.g_h && stream->config.cfg.g_h != h))
01987 fatal("Stream %d: Resizing not yet supported", stream->index);
01988 stream->config.cfg.g_w = w;
01989 stream->config.cfg.g_h = h;
01990 }
01991
01992
01993 static void set_default_kf_interval(struct stream_state *stream,
01994 struct global_config *global)
01995 {
01996
01997
01998
01999 if (!stream->config.have_kf_max_dist)
02000 {
02001 double framerate = (double)global->framerate.num/global->framerate.den;
02002 if (framerate > 0.0)
02003 stream->config.cfg.kf_max_dist = 5.0*framerate;
02004 }
02005 }
02006
02007
02008 static void show_stream_config(struct stream_state *stream,
02009 struct global_config *global,
02010 struct input_state *input)
02011 {
02012
02013 #define SHOW(field) \
02014 fprintf(stderr, " %-28s = %d\n", #field, stream->config.cfg.field)
02015
02016 if(stream->index == 0)
02017 {
02018 fprintf(stderr, "Codec: %s\n",
02019 vpx_codec_iface_name(global->codec->iface));
02020 fprintf(stderr, "Source file: %s Format: %s\n", input->fn,
02021 input->use_i420 ? "I420" : "YV12");
02022 }
02023 if(stream->next || stream->index)
02024 fprintf(stderr, "\nStream Index: %d\n", stream->index);
02025 fprintf(stderr, "Destination file: %s\n", stream->config.out_fn);
02026 fprintf(stderr, "Encoder parameters:\n");
02027
02028 SHOW(g_usage);
02029 SHOW(g_threads);
02030 SHOW(g_profile);
02031 SHOW(g_w);
02032 SHOW(g_h);
02033 SHOW(g_timebase.num);
02034 SHOW(g_timebase.den);
02035 SHOW(g_error_resilient);
02036 SHOW(g_pass);
02037 SHOW(g_lag_in_frames);
02038 SHOW(rc_dropframe_thresh);
02039 SHOW(rc_resize_allowed);
02040 SHOW(rc_resize_up_thresh);
02041 SHOW(rc_resize_down_thresh);
02042 SHOW(rc_end_usage);
02043 SHOW(rc_target_bitrate);
02044 SHOW(rc_min_quantizer);
02045 SHOW(rc_max_quantizer);
02046 SHOW(rc_undershoot_pct);
02047 SHOW(rc_overshoot_pct);
02048 SHOW(rc_buf_sz);
02049 SHOW(rc_buf_initial_sz);
02050 SHOW(rc_buf_optimal_sz);
02051 SHOW(rc_2pass_vbr_bias_pct);
02052 SHOW(rc_2pass_vbr_minsection_pct);
02053 SHOW(rc_2pass_vbr_maxsection_pct);
02054 SHOW(kf_mode);
02055 SHOW(kf_min_dist);
02056 SHOW(kf_max_dist);
02057 }
02058
02059
02060 static void open_output_file(struct stream_state *stream,
02061 struct global_config *global)
02062 {
02063 const char *fn = stream->config.out_fn;
02064
02065 stream->file = strcmp(fn, "-") ? fopen(fn, "wb") : set_binary_mode(stdout);
02066
02067 if (!stream->file)
02068 fatal("Failed to open output file");
02069
02070 if(stream->config.write_webm && fseek(stream->file, 0, SEEK_CUR))
02071 fatal("WebM output to pipes not supported.");
02072
02073 if(stream->config.write_webm)
02074 {
02075 stream->ebml.stream = stream->file;
02076 write_webm_file_header(&stream->ebml, &stream->config.cfg,
02077 &global->framerate,
02078 stream->config.stereo_fmt);
02079 }
02080 else
02081 write_ivf_file_header(stream->file, &stream->config.cfg,
02082 global->codec->fourcc, 0);
02083 }
02084
02085
02086 static void close_output_file(struct stream_state *stream,
02087 unsigned int fourcc)
02088 {
02089 if(stream->config.write_webm)
02090 {
02091 write_webm_file_footer(&stream->ebml, stream->hash);
02092 free(stream->ebml.cue_list);
02093 stream->ebml.cue_list = NULL;
02094 }
02095 else
02096 {
02097 if (!fseek(stream->file, 0, SEEK_SET))
02098 write_ivf_file_header(stream->file, &stream->config.cfg,
02099 fourcc,
02100 stream->frames_out);
02101 }
02102
02103 fclose(stream->file);
02104 }
02105
02106
02107 static void setup_pass(struct stream_state *stream,
02108 struct global_config *global,
02109 int pass)
02110 {
02111 if (stream->config.stats_fn)
02112 {
02113 if (!stats_open_file(&stream->stats, stream->config.stats_fn,
02114 pass))
02115 fatal("Failed to open statistics store");
02116 }
02117 else
02118 {
02119 if (!stats_open_mem(&stream->stats, pass))
02120 fatal("Failed to open statistics store");
02121 }
02122
02123 stream->config.cfg.g_pass = global->passes == 2
02124 ? pass ? VPX_RC_LAST_PASS : VPX_RC_FIRST_PASS
02125 : VPX_RC_ONE_PASS;
02126 if (pass)
02127 stream->config.cfg.rc_twopass_stats_in = stats_get(&stream->stats);
02128
02129 stream->cx_time = 0;
02130 stream->nbytes = 0;
02131 stream->frames_out = 0;
02132 }
02133
02134
02135 static void initialize_encoder(struct stream_state *stream,
02136 struct global_config *global)
02137 {
02138 int i;
02139 int flags = 0;
02140
02141 flags |= global->show_psnr ? VPX_CODEC_USE_PSNR : 0;
02142 flags |= global->out_part ? VPX_CODEC_USE_OUTPUT_PARTITION : 0;
02143
02144
02145 vpx_codec_enc_init(&stream->encoder, global->codec->iface,
02146 &stream->config.cfg, flags);
02147 ctx_exit_on_error(&stream->encoder, "Failed to initialize encoder");
02148
02149
02150
02151
02152
02153 for (i = 0; i < stream->config.arg_ctrl_cnt; i++)
02154 {
02155 int ctrl = stream->config.arg_ctrls[i][0];
02156 int value = stream->config.arg_ctrls[i][1];
02157 if (vpx_codec_control_(&stream->encoder, ctrl, value))
02158 fprintf(stderr, "Error: Tried to set control %d = %d\n",
02159 ctrl, value);
02160
02161 ctx_exit_on_error(&stream->encoder, "Failed to control codec");
02162 }
02163 }
02164
02165
02166 static void encode_frame(struct stream_state *stream,
02167 struct global_config *global,
02168 struct vpx_image *img,
02169 unsigned int frames_in)
02170 {
02171 vpx_codec_pts_t frame_start, next_frame_start;
02172 struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
02173 struct vpx_usec_timer timer;
02174
02175 frame_start = (cfg->g_timebase.den * (int64_t)(frames_in - 1)
02176 * global->framerate.den)
02177 / cfg->g_timebase.num / global->framerate.num;
02178 next_frame_start = (cfg->g_timebase.den * (int64_t)(frames_in)
02179 * global->framerate.den)
02180 / cfg->g_timebase.num / global->framerate.num;
02181 vpx_usec_timer_start(&timer);
02182 vpx_codec_encode(&stream->encoder, img, frame_start,
02183 next_frame_start - frame_start,
02184 0, global->deadline);
02185 vpx_usec_timer_mark(&timer);
02186 stream->cx_time += vpx_usec_timer_elapsed(&timer);
02187 ctx_exit_on_error(&stream->encoder, "Stream %d: Failed to encode frame",
02188 stream->index);
02189 }
02190
02191
02192 static void update_quantizer_histogram(struct stream_state *stream)
02193 {
02194 if(stream->config.cfg.g_pass != VPX_RC_FIRST_PASS)
02195 {
02196 int q;
02197
02198 vpx_codec_control(&stream->encoder, VP8E_GET_LAST_QUANTIZER_64, &q);
02199 ctx_exit_on_error(&stream->encoder, "Failed to read quantizer");
02200 stream->counts[q]++;
02201 }
02202 }
02203
02204
02205 static void get_cx_data(struct stream_state *stream,
02206 struct global_config *global,
02207 int *got_data)
02208 {
02209 const vpx_codec_cx_pkt_t *pkt;
02210 const struct vpx_codec_enc_cfg *cfg = &stream->config.cfg;
02211 vpx_codec_iter_t iter = NULL;
02212
02213 while ((pkt = vpx_codec_get_cx_data(&stream->encoder, &iter)))
02214 {
02215 static size_t fsize = 0;
02216 static off_t ivf_header_pos = 0;
02217
02218 *got_data = 1;
02219
02220 switch (pkt->kind)
02221 {
02222 case VPX_CODEC_CX_FRAME_PKT:
02223 if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT))
02224 {
02225 stream->frames_out++;
02226 }
02227 fprintf(stderr, " %6luF",
02228 (unsigned long)pkt->data.frame.sz);
02229
02230 update_rate_histogram(&stream->rate_hist, cfg, pkt);
02231 if(stream->config.write_webm)
02232 {
02233
02234 if(!stream->ebml.debug)
02235 stream->hash = murmur(pkt->data.frame.buf,
02236 pkt->data.frame.sz, stream->hash);
02237
02238 write_webm_block(&stream->ebml, cfg, pkt);
02239 }
02240 else
02241 {
02242 if (pkt->data.frame.partition_id <= 0)
02243 {
02244 ivf_header_pos = ftello(stream->file);
02245 fsize = pkt->data.frame.sz;
02246
02247 write_ivf_frame_header(stream->file, pkt);
02248 }
02249 else
02250 {
02251 fsize += pkt->data.frame.sz;
02252
02253 if (!(pkt->data.frame.flags & VPX_FRAME_IS_FRAGMENT))
02254 {
02255 off_t currpos = ftello(stream->file);
02256 fseeko(stream->file, ivf_header_pos, SEEK_SET);
02257 write_ivf_frame_size(stream->file, fsize);
02258 fseeko(stream->file, currpos, SEEK_SET);
02259 }
02260 }
02261
02262 fwrite(pkt->data.frame.buf, 1,
02263 pkt->data.frame.sz, stream->file);
02264 }
02265 stream->nbytes += pkt->data.raw.sz;
02266 break;
02267 case VPX_CODEC_STATS_PKT:
02268 stream->frames_out++;
02269 fprintf(stderr, " %6luS",
02270 (unsigned long)pkt->data.twopass_stats.sz);
02271 stats_write(&stream->stats,
02272 pkt->data.twopass_stats.buf,
02273 pkt->data.twopass_stats.sz);
02274 stream->nbytes += pkt->data.raw.sz;
02275 break;
02276 case VPX_CODEC_PSNR_PKT:
02277
02278 if (global->show_psnr)
02279 {
02280 int i;
02281
02282 stream->psnr_sse_total += pkt->data.psnr.sse[0];
02283 stream->psnr_samples_total += pkt->data.psnr.samples[0];
02284 for (i = 0; i < 4; i++)
02285 {
02286 fprintf(stderr, "%.3lf ", pkt->data.psnr.psnr[i]);
02287 stream->psnr_totals[i] += pkt->data.psnr.psnr[i];
02288 }
02289 stream->psnr_count++;
02290 }
02291
02292 break;
02293 default:
02294 break;
02295 }
02296 }
02297 }
02298
02299
02300 static void show_psnr(struct stream_state *stream)
02301 {
02302 int i;
02303 double ovpsnr;
02304
02305 if (!stream->psnr_count)
02306 return;
02307
02308 fprintf(stderr, "Stream %d PSNR (Overall/Avg/Y/U/V)", stream->index);
02309 ovpsnr = vp8_mse2psnr(stream->psnr_samples_total, 255.0,
02310 stream->psnr_sse_total);
02311 fprintf(stderr, " %.3lf", ovpsnr);
02312
02313 for (i = 0; i < 4; i++)
02314 {
02315 fprintf(stderr, " %.3lf", stream->psnr_totals[i]/stream->psnr_count);
02316 }
02317 fprintf(stderr, "\n");
02318 }
02319
02320
02321 float usec_to_fps(uint64_t usec, unsigned int frames)
02322 {
02323 return usec > 0 ? (float)frames * 1000000.0 / (float)usec : 0;
02324 }
02325
02326
02327 int main(int argc, const char **argv_)
02328 {
02329 int pass;
02330 vpx_image_t raw;
02331 int frame_avail, got_data;
02332
02333 struct input_state input = {0};
02334 struct global_config global;
02335 struct stream_state *streams = NULL;
02336 char **argv, **argi;
02337 unsigned long cx_time = 0;
02338 int stream_cnt = 0;
02339
02340 exec_name = argv_[0];
02341
02342 if (argc < 3)
02343 usage_exit();
02344
02345
02346 input.framerate.num = 30;
02347 input.framerate.den = 1;
02348 input.use_i420 = 1;
02349
02350
02351
02352
02353
02354 argv = argv_dup(argc - 1, argv_ + 1);
02355 parse_global_config(&global, argv);
02356
02357 {
02358
02359
02360
02361
02362 struct stream_state *stream = NULL;
02363
02364 do
02365 {
02366 stream = new_stream(&global, stream);
02367 stream_cnt++;
02368 if(!streams)
02369 streams = stream;
02370 } while(parse_stream_params(&global, stream, argv));
02371 }
02372
02373
02374 for (argi = argv; *argi; argi++)
02375 if (argi[0][0] == '-' && argi[0][1])
02376 die("Error: Unrecognized option %s\n", *argi);
02377
02378
02379 input.fn = argv[0];
02380
02381 if (!input.fn)
02382 usage_exit();
02383
02384 for (pass = global.pass ? global.pass - 1 : 0; pass < global.passes; pass++)
02385 {
02386 int frames_in = 0;
02387
02388 open_input_file(&input);
02389
02390
02391
02392
02393 if(!input.w || !input.h)
02394 FOREACH_STREAM({
02395 if(stream->config.cfg.g_w && stream->config.cfg.g_h)
02396 {
02397 input.w = stream->config.cfg.g_w;
02398 input.h = stream->config.cfg.g_h;
02399 break;
02400 }
02401 });
02402
02403
02404 FOREACH_STREAM(set_stream_dimensions(stream, input.w, input.h));
02405 FOREACH_STREAM(validate_stream_config(stream));
02406
02407
02408
02409
02410 if (global.pass && global.passes == 2)
02411 FOREACH_STREAM({
02412 if(!stream->config.stats_fn)
02413 die("Stream %d: Must specify --fpf when --pass=%d"
02414 " and --passes=2\n", stream->index, global.pass);
02415 });
02416
02417
02418
02419
02420
02421 if (!global.have_framerate)
02422 global.framerate = input.framerate;
02423
02424 FOREACH_STREAM(set_default_kf_interval(stream, &global));
02425
02426
02427 if (global.verbose && pass == 0)
02428 FOREACH_STREAM(show_stream_config(stream, &global, &input));
02429
02430 if(pass == (global.pass ? global.pass - 1 : 0)) {
02431 if (input.file_type == FILE_TYPE_Y4M)
02432
02433
02434
02435 memset(&raw, 0, sizeof(raw));
02436 else
02437 vpx_img_alloc(&raw,
02438 input.use_i420 ? VPX_IMG_FMT_I420
02439 : VPX_IMG_FMT_YV12,
02440 input.w, input.h, 1);
02441
02442 FOREACH_STREAM(init_rate_histogram(&stream->rate_hist,
02443 &stream->config.cfg,
02444 &global.framerate));
02445 }
02446
02447 FOREACH_STREAM(open_output_file(stream, &global));
02448 FOREACH_STREAM(setup_pass(stream, &global, pass));
02449 FOREACH_STREAM(initialize_encoder(stream, &global));
02450
02451 frame_avail = 1;
02452 got_data = 0;
02453
02454 while (frame_avail || got_data)
02455 {
02456 struct vpx_usec_timer timer;
02457
02458 if (!global.limit || frames_in < global.limit)
02459 {
02460 frame_avail = read_frame(&input, &raw);
02461
02462 if (frame_avail)
02463 frames_in++;
02464
02465 if(stream_cnt == 1)
02466 fprintf(stderr,
02467 "\rPass %d/%d frame %4d/%-4d %7"PRId64"B \033[K",
02468 pass + 1, global.passes, frames_in,
02469 streams->frames_out, (int64_t)streams->nbytes);
02470 else
02471 fprintf(stderr,
02472 "\rPass %d/%d frame %4d %7lu %s (%.2f fps)\033[K",
02473 pass + 1, global.passes, frames_in,
02474 cx_time > 9999999 ? cx_time / 1000 : cx_time,
02475 cx_time > 9999999 ? "ms" : "us",
02476 usec_to_fps(cx_time, frames_in));
02477
02478 }
02479 else
02480 frame_avail = 0;
02481
02482 vpx_usec_timer_start(&timer);
02483 FOREACH_STREAM(encode_frame(stream, &global,
02484 frame_avail ? &raw : NULL,
02485 frames_in));
02486 vpx_usec_timer_mark(&timer);
02487 cx_time += vpx_usec_timer_elapsed(&timer);
02488
02489 FOREACH_STREAM(update_quantizer_histogram(stream));
02490
02491 got_data = 0;
02492 FOREACH_STREAM(get_cx_data(stream, &global, &got_data));
02493
02494 fflush(stdout);
02495 }
02496
02497 if(stream_cnt > 1)
02498 fprintf(stderr, "\n");
02499
02500 FOREACH_STREAM(fprintf(
02501 stderr,
02502 "\rPass %d/%d frame %4d/%-4d %7"PRId64"B %7lub/f %7"PRId64"b/s"
02503 " %7"PRId64" %s (%.2f fps)\033[K\n", pass + 1,
02504 global.passes, frames_in, stream->frames_out, (int64_t)stream->nbytes,
02505 frames_in ? (unsigned long)(stream->nbytes * 8 / frames_in) : 0,
02506 frames_in ? (int64_t)stream->nbytes * 8
02507 * (int64_t)global.framerate.num / global.framerate.den
02508 / frames_in
02509 : 0,
02510 stream->cx_time > 9999999 ? stream->cx_time / 1000 : stream->cx_time,
02511 stream->cx_time > 9999999 ? "ms" : "us",
02512 usec_to_fps(stream->cx_time, frames_in));
02513 );
02514
02515 if (global.show_psnr)
02516 FOREACH_STREAM(show_psnr(stream));
02517
02518 FOREACH_STREAM(vpx_codec_destroy(&stream->encoder));
02519
02520 close_input_file(&input);
02521
02522 FOREACH_STREAM(close_output_file(stream, global.codec->fourcc));
02523
02524 FOREACH_STREAM(stats_close(&stream->stats, global.passes-1));
02525
02526 if (global.pass)
02527 break;
02528 }
02529
02530 if (global.show_q_hist_buckets)
02531 FOREACH_STREAM(show_q_histogram(stream->counts,
02532 global.show_q_hist_buckets));
02533
02534 if (global.show_rate_hist_buckets)
02535 FOREACH_STREAM(show_rate_histogram(&stream->rate_hist,
02536 &stream->config.cfg,
02537 global.show_rate_hist_buckets));
02538 FOREACH_STREAM(destroy_rate_histogram(&stream->rate_hist));
02539
02540 vpx_img_free(&raw);
02541 free(argv);
02542 free(streams);
02543 return EXIT_SUCCESS;
02544 }