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avformat/dashenc: add a maxSegmentDuration attribute to the Manifest

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Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2020-04-15 18:02:44 -03:00
parent fd0f110a37
commit 0ea41ee32e
1 changed files with 6 additions and 0 deletions
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6
libavformat/dashenc.c
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@ -190,6 +190,7 @@ typedef struct DASHContext {
int frag_type;
int write_prft;
int64_t max_gop_size;
int64_t max_segment_duration;
int profile;
int64_t target_latency;
int target_latency_refid;
@ -1189,6 +1190,9 @@ static int write_manifest(AVFormatContext *s, int final)
avio_printf(out, "\"\n");
}
}
avio_printf(out, "\tmaxSegmentDuration=\"");
write_time(out, c->max_segment_duration);
avio_printf(out, "\"\n");
avio_printf(out, "\tminBufferTime=\"");
write_time(out, c->ldash && c->max_gop_size ? c->max_gop_size : c->last_duration * 2);
avio_printf(out, "\">\n");
@ -1564,6 +1568,8 @@ static int dash_init(AVFormatContext *s)
os->frag_duration = as->frag_duration;
os->frag_type = as->frag_type;
c->max_segment_duration = FFMAX(c->max_segment_duration, as->seg_duration);
if (c->profile & MPD_PROFILE_DVB && (os->seg_duration > 15000000 || os->seg_duration < 960000)) {
av_log(s, AV_LOG_ERROR, "Segment duration %"PRId64" is outside the allowed range for DVB-DASH profile\n", os->seg_duration);
return AVERROR(EINVAL);