31 #include "libavutil/samplefmt.h"
32 #include "libavutil/sha.h"
33 #include "libavutil/intreadwrite.h"
34 #include "libavutil/intfloat.h"
35 #include "libavutil/mathematics.h"
36 #include "libavutil/random_seed.h"
37 #include "libavutil/lfg.h"
38 #include "libavutil/dict.h"
39 #include "libavutil/avstring.h"
79 #define MODE_MATROSKAv2 0x01
80 #define MODE_WEBM 0x02
105 #define MAX_SEEKENTRY_SIZE 21
109 #define MAX_CUETRACKPOS_SIZE 22
112 #define MAX_CUEPOINT_SIZE(num_tracks) 12 + MAX_CUETRACKPOS_SIZE*num_tracks
146 while ((num+1) >> bytes*7) bytes++;
165 bytes = needed_bytes;
170 num |= 1ULL << bytes*7;
171 for (i = bytes - 1; i >= 0; i--)
179 while (tmp>>=8) bytes++;
183 for (i = bytes - 1; i >= 0; i--)
195 const void *buf,
int size)
252 for (i = 0; i < size / 255; i++)
271 if (new_seekhead ==
NULL)
276 if (numelements > 0) {
351 currentpos = seekhead->
filepos;
401 uint64_t pts = entry->
pts;
408 for (j = 0; j < num_tracks; j++)
409 tracks[j].has_cue = 0;
410 for (j = 0; j < cues->
num_entries - i && entry[j].
pts == pts; j++) {
411 int tracknum = entry[j].
tracknum - 1;
412 av_assert0(tracknum>=0 && tracknum<num_tracks);
413 if (tracks[tracknum].has_cue)
433 int first_header_size;
437 first_header_size = 30;
439 first_header_size = 42;
442 first_header_size, header_start, header_len) < 0) {
448 for (j = 0; j < 2; j++) {
451 for (j = 0; j < 3; j++)
452 avio_write(pb, header_start[j], header_len[j]);
475 int ret, codecpriv_size;
491 "Invalid extradata found, ALAC expects a 36-byte "
511 for(i=0; i<0x5a-8; i++)
554 int i, j, ret, default_stream_exists = 0;
557 if (ret < 0)
return ret;
572 int output_sample_rate = 0;
598 if (default_stream_exists) {
617 "Only VP8 video and Vorbis audio are supported for WebM.\n");
639 else if (!native_id) {
662 || st_mode >= MATROSKA_VIDEO_STEREO_MODE_COUNT) {
664 "The specified stereo mode is not valid.\n");
672 if (d_width > INT_MAX) {
697 if (output_sample_rate)
712 av_log(s,
AV_LOG_ERROR,
"Only audio, video, and subtitles are supported for Matroska.\n");
716 if (ret < 0)
return ret;
739 if (ret < 0)
return ret;
778 if ((p = strrchr(p,
'-')) &&
786 else if (*p >=
'a' && *p <=
'z')
811 if (ret < 0)
return ret;
850 if (ret < 0)
return ret;
860 if (ret < 0)
return ret;
870 if (ret < 0)
return ret;
892 if (ret < 0)
return ret;
900 const char *mimetype =
NULL;
927 "it cannot be deduced from the codec id.\n", i);
979 "The Matroska muxer does not yet support muxing %s\n",
1011 if (ret < 0)
return ret;
1018 uint32_t segment_uid[4];
1023 for (i = 0; i < 4; i++)
1035 AV_WB64(date_utc_buf, date_utc);
1046 if (ret < 0)
return ret;
1050 if (ret < 0)
return ret;
1053 if (ret < 0)
return ret;
1056 if (ret < 0)
return ret;
1077 int size = pkt_size + 4;
1088 int sh, sm, ss, sc, eh, em, es, ec;
1089 uint64_t start,
end;
1091 if (sscanf(p,
"%*[^,],%d:%d:%d%*c%d,%d:%d:%d%*c%d",
1092 &sh, &sm, &ss, &sc, &eh, &em, &es, &ec) != 8)
1094 start = 3600000LL*sh + 60000LL*sm + 1000LL*ss + 10LL*sc;
1095 end = 3600000LL*eh + 60000LL*em + 1000LL*es + 10LL*ec;
1102 int i, layer = 0, max_duration = 0,
size, line_size, data_size = pkt->
size;
1109 max_duration =
FFMAX(duration, max_duration);
1110 end = memchr(data,
'\n', data_size);
1111 size = line_size = end ? end-data+1 : data_size;
1112 size -= end ? (end[-1]==
'\r')+1 : 0;
1114 for (i=0; i<3; i++, start++)
1115 if (!(start = memchr(start,
',',
size-(start-data))))
1116 return max_duration;
1118 sscanf(data,
"Dialogue: %d,", &layer);
1119 i =
snprintf(buffer,
sizeof(buffer),
"%"PRId64
",%d,",
1122 memcpy(buffer+i, start,
size-i);
1125 "pts %" PRId64
", duration %d\n",
1138 data_size -= line_size;
1141 return max_duration;
1154 "pts %" PRId64
", dts %" PRId64
", duration %d, flags %d\n",
1175 if (data != pkt->
data)
1184 int s_hour, s_min, s_sec, s_hsec, e_hour, e_min, e_sec, e_hsec;
1185 if (sscanf(*buf,
"%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d",
1186 &s_hour, &s_min, &s_sec, &s_hsec,
1187 &e_hour, &e_min, &e_sec, &e_hsec) == 8) {
1188 s_min += 60*s_hour; e_min += 60*e_hour;
1189 s_sec += 60*s_min; e_sec += 60*e_min;
1190 s_hsec += 1000*s_sec; e_hsec += 1000*e_sec;
1191 duration = e_hsec - s_hsec;
1280 if (ret < 0)
return ret;
1313 || cluster_size > 5*1024*1024 || ts > mkv->
cluster_pts + 5000
1316 " bytes, pts %" PRIu64
"\n",
avio_tell(pb), ts);
1346 int64_t currentpos, cuespos;
1371 if (ret < 0)
return ret;
1436 #if CONFIG_MATROSKA_MUXER
1440 .mime_type =
"video/x-matroska",
1441 .extensions =
"mkv",
1461 #if CONFIG_WEBM_MUXER
1465 .mime_type =
"video/webm",
1466 .extensions =
"webm",
1478 #if CONFIG_MATROSKA_AUDIO_MUXER
1482 .mime_type =
"audio/x-matroska",
1483 .extensions =
"mka",