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Code Issues Releases Activity

avformat/hlsenc: add reference stream index for split segment

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fix ticket: #7044
Get the first video stream to reference for split segment
when there have more than one video stream

Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Reviewed-by: Karthick Jeyapal <kjeyapal@akamai.com>
This commit is contained in:
Steven Liu 2018-03-02 10:56:36 +08:00
parent f5f2209d68
commit aa294ad00a
1 changed files with 7 additions and 1 deletions
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8
libavformat/hlsenc.c
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@ -129,6 +129,7 @@ typedef struct VariantStream {
int nb_entries;
int discontinuity_set;
int discontinuity;
int reference_stream_index;
HLSSegment *segments;
HLSSegment *last_segment;
@ -2141,7 +2142,7 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
if (vs->has_video) {
can_split = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO &&
((pkt->flags & AV_PKT_FLAG_KEY) || (hls->flags & HLS_SPLIT_BY_TIME));
is_ref_pkt = st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO;
is_ref_pkt = (st->codecpar->codec_type == AVMEDIA_TYPE_VIDEO) && (pkt->stream_index == vs->reference_stream_index);
}
if (pkt->pts == AV_NOPTS_VALUE)
is_ref_pkt = can_split = 0;
@ -2497,6 +2498,11 @@ static int hls_init(AVFormatContext *s)
for (j = 0; j < vs->nb_streams; j++) {
vs->has_video += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO;
/* Get one video stream to reference for split segments
* so use the first video stream index. */
if ((vs->has_video == 1) && (vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_VIDEO)) {
vs->reference_stream_index = j;
}
vs->has_subtitle += vs->streams[j]->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE;
}