static int mkv_write_stereo_mode(AVFormatContext *s, AVIOContext *pb,
- AVStream *st, int mode)
+ AVStream *st, int mode, int *h_width, int *h_height)
{
int i;
int ret = 0;
AVDictionaryEntry *tag;
MatroskaVideoStereoModeType format = MATROSKA_VIDEO_STEREOMODE_TYPE_NB;
+ *h_width = 1;
+ *h_height = 1;
// convert metadata into proper side data and add it to the stream
if ((tag = av_dict_get(st->metadata, "stereo_mode", NULL, 0)) ||
(tag = av_dict_get( s->metadata, "stereo_mode", NULL, 0))) {
}
}
+ // iterate to find the stereo3d side data
for (i = 0; i < st->nb_side_data; i++) {
AVPacketSideData sd = st->side_data[i];
if (sd.type == AV_PKT_DATA_STEREO3D) {
format = (stereo->flags & AV_STEREO3D_FLAG_INVERT)
? MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT
: MATROSKA_VIDEO_STEREOMODE_TYPE_LEFT_RIGHT;
+ *h_width = 2;
break;
case AV_STEREO3D_TOPBOTTOM:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format--;
+ *h_height = 2;
break;
case AV_STEREO3D_CHECKERBOARD:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_CHECKERBOARD_LR;
format = MATROSKA_VIDEO_STEREOMODE_TYPE_ROW_INTERLEAVED_LR;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format--;
+ *h_height = 2;
break;
case AV_STEREO3D_COLUMNS:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_COL_INTERLEAVED_LR;
if (stereo->flags & AV_STEREO3D_FLAG_INVERT)
format--;
+ *h_width = 2;
break;
case AV_STEREO3D_FRAMESEQUENCE:
format = MATROSKA_VIDEO_STEREOMODE_TYPE_BOTH_EYES_BLOCK_LR;
format++;
break;
}
- ret = stereo->type;
-
break;
}
}
if (format == MATROSKA_VIDEO_STEREOMODE_TYPE_NB)
return ret;
+ // if webm, do not write unsupported modes
if ((mode == MODE_WEBM &&
format > MATROSKA_VIDEO_STEREOMODE_TYPE_TOP_BOTTOM &&
format != MATROSKA_VIDEO_STEREOMODE_TYPE_RIGHT_LEFT)
return AVERROR(EINVAL);
}
+ // write StereoMode if format is valid
put_ebml_uint(pb, MATROSKA_ID_VIDEOSTEREOMODE, format);
return ret;
}
}
- if (codec->codec_type == AVMEDIA_TYPE_AUDIO && codec->delay && codec->codec_id == AV_CODEC_ID_OPUS) {
-// mkv->tracks[i].ts_offset = av_rescale_q(codec->delay,
+ if (codec->codec_type == AVMEDIA_TYPE_AUDIO && codec->initial_padding && codec->codec_id == AV_CODEC_ID_OPUS) {
+// mkv->tracks[i].ts_offset = av_rescale_q(codec->initial_padding,
// (AVRational){ 1, codec->sample_rate },
// st->time_base);
put_ebml_uint(pb, MATROSKA_ID_CODECDELAY,
- av_rescale_q(codec->delay, (AVRational){ 1, codec->sample_rate },
+ av_rescale_q(codec->initial_padding,
+ (AVRational){ 1, codec->sample_rate },
(AVRational){ 1, 1000000000 }));
}
if (codec->codec_id == AV_CODEC_ID_OPUS) {
// check both side data and metadata for stereo information,
// write the result to the bitstream if any is found
- ret = mkv_write_stereo_mode(s, pb, st, mkv->mode);
+ ret = mkv_write_stereo_mode(s, pb, st, mkv->mode,
+ &display_width_div,
+ &display_height_div);
if (ret < 0)
return ret;
- switch (ret) {
- case AV_STEREO3D_SIDEBYSIDE:
- case AV_STEREO3D_COLUMNS:
- display_width_div = 2;
- break;
- case AV_STEREO3D_TOPBOTTOM:
- case AV_STEREO3D_LINES:
- display_height_div = 2;
- break;
- }
-
if (((tag = av_dict_get(st->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) ||
((tag = av_dict_get( s->metadata, "alpha_mode", NULL, 0)) && atoi(tag->value)) ||
(codec->pix_fmt == AV_PIX_FMT_YUVA420P)) {
put_ebml_uint(pb, MATROSKA_ID_VIDEOALPHAMODE, 1);
}
+ // write DisplayWidth and DisplayHeight, they contain the size of
+ // a single source view and/or the display aspect ratio
if (st->sample_aspect_ratio.num) {
int64_t d_width = av_rescale(codec->width, st->sample_aspect_ratio.num, st->sample_aspect_ratio.den);
if (d_width > INT_MAX) {
uint32_t color_space = av_le2ne32(codec->codec_tag);
put_ebml_binary(pb, MATROSKA_ID_VIDEOCOLORSPACE, &color_space, sizeof(color_space));
}
+
end_ebml_master(pb, subinfo);
break;
}
}
-static int srt_get_duration(uint8_t **buf)
-{
- int i, duration = 0;
-
- for (i = 0; i < 2 && !duration; i++) {
- int s_hour, s_min, s_sec, s_hsec, e_hour, e_min, e_sec, e_hsec;
- if (sscanf(*buf, "%d:%2d:%2d%*1[,.]%3d --> %d:%2d:%2d%*1[,.]%3d",
- &s_hour, &s_min, &s_sec, &s_hsec,
- &e_hour, &e_min, &e_sec, &e_hsec) == 8) {
- s_min += 60 * s_hour;
- e_min += 60 * e_hour;
- s_sec += 60 * s_min;
-
- e_sec += 60 * e_min;
- s_hsec += 1000 * s_sec;
- e_hsec += 1000 * e_sec;
-
- duration = e_hsec - s_hsec;
- }
- *buf += ff_subtitles_next_line(*buf);
- }
- return duration;
-}
-
-static int mkv_write_srt_blocks(AVFormatContext *s, AVIOContext *pb,
- AVPacket *pkt)
-{
- ebml_master blockgroup;
- AVPacket pkt2 = *pkt;
- int64_t duration = srt_get_duration(&pkt2.data);
- pkt2.size -= pkt2.data - pkt->data;
-
- blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP,
- mkv_blockgroup_size(pkt2.size));
- mkv_write_block(s, pb, MATROSKA_ID_BLOCK, &pkt2, 0);
- put_ebml_uint(pb, MATROSKA_ID_BLOCKDURATION, duration);
- end_ebml_master(pb, blockgroup);
-
- return duration;
-}
-
static int mkv_write_vtt_blocks(AVFormatContext *s, AVIOContext *pb, AVPacket *pkt)
{
MatroskaMuxContext *mkv = s->priv_data;
if (!s->pb->seekable) {
if (!mkv->dyn_bc) {
- if ((ret = avio_open_dyn_buf(&mkv->dyn_bc)) < 0) {
+ ret = avio_open_dyn_buf(&mkv->dyn_bc);
+ if (ret < 0) {
av_log(s, AV_LOG_ERROR, "Failed to open dynamic buffer\n");
return ret;
}
if (ret < 0) return ret;
}
} else {
- if (codec->codec_id == AV_CODEC_ID_SRT) {
- duration = mkv_write_srt_blocks(s, pb, pkt);
- } else if (codec->codec_id == AV_CODEC_ID_WEBVTT) {
+ if (codec->codec_id == AV_CODEC_ID_WEBVTT) {
duration = mkv_write_vtt_blocks(s, pb, pkt);
} else {
ebml_master blockgroup = start_ebml_master(pb, MATROSKA_ID_BLOCKGROUP,
// on seeing key frames.
start_new_cluster = keyframe;
} else if (mkv->is_dash && codec_type == AVMEDIA_TYPE_AUDIO &&
- cluster_time > mkv->cluster_time_limit) {
+ (mkv->cluster_pos == -1 ||
+ cluster_time > mkv->cluster_time_limit)) {
// For DASH audio, we create a Cluster based on cluster_time_limit
start_new_cluster = 1;
} else if (!mkv->is_dash &&
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