76 #define MODE_MATROSKAv2 0x01
77 #define MODE_WEBM 0x02
102 #define MAX_SEEKENTRY_SIZE 21
106 #define MAX_CUETRACKPOS_SIZE 22
109 #define MAX_CUEPOINT_SIZE(num_tracks) 12 + MAX_CUETRACKPOS_SIZE*num_tracks
114 return (av_log2(
id+1)-1)/7+1;
143 while ((num+1) >> bytes*7) bytes++;
158 assert(num < (1ULL<<56)-1);
162 bytes = needed_bytes;
165 assert(bytes >= needed_bytes);
167 num |= 1ULL << bytes*7;
168 for (i = bytes - 1; i >= 0; i--)
176 while (tmp>>=8) bytes++;
180 for (i = bytes - 1; i >= 0; i--)
192 const void *buf,
int size)
249 for (i = 0; i < size / 255; i++)
268 if (new_seekhead ==
NULL)
273 if (numelements > 0) {
348 currentpos = seekhead->
filepos;
398 uint64_t pts = entry->
pts;
405 for (j = 0; j < cues->
num_entries - i && entry[j].
pts == pts; j++) {
421 uint8_t *header_start[3];
423 int first_header_size;
427 first_header_size = 30;
429 first_header_size = 42;
432 first_header_size, header_start, header_len) < 0) {
438 for (j = 0; j < 2; j++) {
441 for (j = 0; j < 3; j++)
442 avio_write(pb, header_start[j], header_len[j]);
465 int ret, codecpriv_size;
525 if (ret < 0)
return ret;
536 int output_sample_rate = 0;
576 "Only VP8 video and Vorbis audio are supported for WebM.\n");
595 else if (!native_id) {
606 uint8_t stereo_fmt = atoi(tag->
value);
643 if (output_sample_rate)
658 av_log(s,
AV_LOG_ERROR,
"Only audio, video, and subtitles are supported for Matroska.\n");
662 if (ret < 0)
return ret;
685 if (ret < 0)
return ret;
721 const uint8_t *lang =
NULL;
724 if ((p = strrchr(p,
'-')) &&
732 else if (*p >=
'a' && *p <=
'z')
757 if (ret < 0)
return ret;
786 if (ret < 0)
return ret;
796 if (ret < 0)
return ret;
806 if (ret < 0)
return ret;
828 if (ret < 0)
return ret;
836 const char *mimetype =
NULL;
862 "it cannot be deduced from the codec id.\n", i);
914 if (ret < 0)
return ret;
921 uint32_t segment_uid[4];
926 for (i = 0; i < 4; i++)
944 if (ret < 0)
return ret;
948 if (ret < 0)
return ret;
951 if (ret < 0)
return ret;
954 if (ret < 0)
return ret;
974 int size = pkt_size + 4;
985 int sh, sm, ss, sc, eh, em, es, ec;
988 if (sscanf(p,
"%*[^,],%d:%d:%d%*c%d,%d:%d:%d%*c%d",
989 &sh, &sm, &ss, &sc, &eh, &em, &es, &ec) != 8)
991 start = 3600000*sh + 60000*sm + 1000*ss + 10*sc;
992 end = 3600000*eh + 60000*em + 1000*es + 10*ec;
999 int i, layer = 0, max_duration = 0,
size, line_size, data_size = pkt->
size;
1000 uint8_t *start, *end, *
data = pkt->
data;
1006 max_duration =
FFMAX(duration, max_duration);
1007 end = memchr(data,
'\n', data_size);
1008 size = line_size = end ? end-data+1 : data_size;
1009 size -= end ? (end[-1]==
'\r')+1 : 0;
1011 for (i=0; i<3; i++, start++)
1012 if (!(start = memchr(start,
',',
size-(start-data))))
1013 return max_duration;
1015 sscanf(data,
"Dialogue: %d,", &layer);
1016 i = snprintf(buffer,
sizeof(buffer),
"%"PRId64
",%d,",
1019 memcpy(buffer+i, start,
size-i);
1022 "pts %" PRId64
", duration %d\n",
1035 data_size -= line_size;
1038 return max_duration;
1051 "pts %" PRId64
", dts %" PRId64
", duration %d, flags %d\n",
1064 if (data != pkt->
data)
1073 int s_hour, s_min, s_sec, s_hsec, e_hour, e_min, e_sec, e_hsec;
1074 if (sscanf(*buf,
"%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d",
1075 &s_hour, &s_min, &s_sec, &s_hsec,
1076 &e_hour, &e_min, &e_sec, &e_hsec) == 8) {
1077 s_min += 60*s_hour; e_min += 60*e_hour;
1078 s_sec += 60*s_min; e_sec += 60*e_min;
1079 s_hsec += 1000*s_sec; e_hsec += 1000*e_sec;
1080 duration = e_hsec - s_hsec;
1082 *buf += strcspn(*buf,
"\n") + 1;
1162 if (ret < 0)
return ret;
1195 || cluster_size > 5*1024*1024 || ts > mkv->
cluster_pts + 5000
1198 " bytes, pts %" PRIu64
"\n",
avio_tell(pb), ts);
1228 int64_t currentpos, cuespos;
1253 if (ret < 0)
return ret;
1292 #if CONFIG_MATROSKA_MUXER
1296 .mime_type =
"video/x-matroska",
1297 .extensions =
"mkv",
1319 #if CONFIG_WEBM_MUXER
1323 .mime_type =
"video/webm",
1324 .extensions =
"webm",
1335 #if CONFIG_MATROSKA_AUDIO_MUXER
1339 .mime_type =
"audio/x-matroska",
1340 .extensions =
"mka",