76 #define MODE_MATROSKAv2 0x01
77 #define MODE_WEBM 0x02
104 #define MAX_SEEKENTRY_SIZE 21
108 #define MAX_CUETRACKPOS_SIZE 22
111 #define MAX_CUEPOINT_SIZE(num_tracks) 12 + MAX_CUETRACKPOS_SIZE*num_tracks
145 while ((num+1) >> bytes*7) bytes++;
160 assert(num < (1ULL<<56)-1);
164 bytes = needed_bytes;
167 assert(bytes >= needed_bytes);
169 num |= 1ULL << bytes*7;
170 for (i = bytes - 1; i >= 0; i--)
178 while (tmp>>=8) bytes++;
182 for (i = bytes - 1; i >= 0; i--)
194 const void *buf,
int size)
251 for (i = 0; i < size / 255; i++)
270 if (new_seekhead ==
NULL)
275 if (numelements > 0) {
350 currentpos = seekhead->
filepos;
400 uint64_t pts = entry->
pts;
407 for (j = 0; j < cues->
num_entries - i && entry[j].
pts == pts; j++) {
425 int first_header_size;
429 first_header_size = 30;
431 first_header_size = 42;
434 first_header_size, header_start, header_len) < 0) {
440 for (j = 0; j < 2; j++) {
443 for (j = 0; j < 3; j++)
444 avio_write(pb, header_start[j], header_len[j]);
467 int ret, codecpriv_size;
483 "Invalid extradata found, ALAC expects a 36-byte "
537 if (ret < 0)
return ret;
548 int output_sample_rate = 0;
588 "Only VP8 video and Vorbis audio are supported for WebM.\n");
607 else if (!native_id) {
655 if (output_sample_rate)
670 av_log(s,
AV_LOG_ERROR,
"Only audio, video, and subtitles are supported for Matroska.\n");
674 if (ret < 0)
return ret;
697 if (ret < 0)
return ret;
736 if ((p = strrchr(p,
'-')) &&
744 else if (*p >=
'a' && *p <=
'z')
769 if (ret < 0)
return ret;
798 if (ret < 0)
return ret;
808 if (ret < 0)
return ret;
818 if (ret < 0)
return ret;
840 if (ret < 0)
return ret;
848 const char *mimetype =
NULL;
874 "it cannot be deduced from the codec id.\n", i);
926 if (ret < 0)
return ret;
933 uint32_t segment_uid[4];
938 for (i = 0; i < 4; i++)
956 if (ret < 0)
return ret;
960 if (ret < 0)
return ret;
963 if (ret < 0)
return ret;
966 if (ret < 0)
return ret;
986 int size = pkt_size + 4;
997 int sh, sm, ss, sc, eh, em, es, ec;
1000 if (sscanf(p,
"%*[^,],%d:%d:%d%*c%d,%d:%d:%d%*c%d",
1001 &sh, &sm, &ss, &sc, &eh, &em, &es, &ec) != 8)
1003 start = 3600000*sh + 60000*sm + 1000*ss + 10*sc;
1004 end = 3600000*eh + 60000*em + 1000*es + 10*ec;
1011 int i, layer = 0, max_duration = 0,
size, line_size, data_size = pkt->
size;
1018 max_duration =
FFMAX(duration, max_duration);
1019 end = memchr(data,
'\n', data_size);
1020 size = line_size = end ? end-data+1 : data_size;
1021 size -= end ? (end[-1]==
'\r')+1 : 0;
1023 for (i=0; i<3; i++, start++)
1024 if (!(start = memchr(start,
',',
size-(start-data))))
1025 return max_duration;
1027 sscanf(data,
"Dialogue: %d,", &layer);
1028 i = snprintf(buffer,
sizeof(buffer),
"%"PRId64
",%d,",
1031 memcpy(buffer+i, start,
size-i);
1034 "pts %" PRId64
", duration %d\n",
1047 data_size -= line_size;
1050 return max_duration;
1063 "pts %" PRId64
", dts %" PRId64
", duration %d, flags %d\n",
1084 if (data != pkt->
data)
1093 int s_hour, s_min, s_sec, s_hsec, e_hour, e_min, e_sec, e_hsec;
1094 if (sscanf(*buf,
"%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d",
1095 &s_hour, &s_min, &s_sec, &s_hsec,
1096 &e_hour, &e_min, &e_sec, &e_hsec) == 8) {
1097 s_min += 60*s_hour; e_min += 60*e_hour;
1098 s_sec += 60*s_min; e_sec += 60*e_min;
1099 s_hsec += 1000*s_sec; e_hsec += 1000*e_sec;
1100 duration = e_hsec - s_hsec;
1102 *buf += strcspn(*buf,
"\n") + 1;
1182 if (ret < 0)
return ret;
1224 || cluster_size > 5*1024*1024 || ts > mkv->
cluster_pts + 5000
1227 " bytes, pts %" PRIu64
"\n",
avio_tell(pb), ts);
1257 int64_t currentpos, cuespos;
1282 if (ret < 0)
return ret;
1321 #if CONFIG_MATROSKA_MUXER
1325 .mime_type =
"video/x-matroska",
1326 .extensions =
"mkv",
1335 .
flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS |
1345 #if CONFIG_WEBM_MUXER
1349 .mime_type =
"video/webm",
1350 .extensions =
"webm",
1357 .
flags = AVFMT_GLOBALHEADER | AVFMT_VARIABLE_FPS |
1362 #if CONFIG_MATROSKA_AUDIO_MUXER
1366 .mime_type =
"audio/x-matroska",
1367 .extensions =
"mka",
1375 .
flags = AVFMT_GLOBALHEADER | AVFMT_TS_NONSTRICT,