[FFmpeg-devel] [PATCH] avformat/hlsenc: Fixed initial setting for end_pts

[Steven Liu]

2017-11-27 13:03 GMT+08:00 Karthick J <kjeyapal at akamai.com>:
> This patch fixes Bug #6868
> Sometimes end_pts is getting initialized to audio stream's
> first pts, while the duration is calculated based on video stream's pts.
> In this patch the end_pts is initialized with the correct stream's first pts.
> ---
>  libavformat/hlsenc.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
> index 30ccf73..6997a5c 100644
> --- a/libavformat/hlsenc.c
> +++ b/libavformat/hlsenc.c
> @@ -1737,6 +1737,7 @@ static int hls_write_header(AVFormatContext *s)
>      vs->sequence       = hls->start_sequence;
>      hls->recording_time = (hls->init_time ? hls->init_time : hls->time) * AV_TIME_BASE;
>      vs->start_pts      = AV_NOPTS_VALUE;
> +    vs->end_pts      = AV_NOPTS_VALUE;
>      vs->current_segment_final_filename_fmt[0] = '\0';
>
>      if (hls->flags & HLS_SPLIT_BY_TIME && hls->flags & HLS_INDEPENDENT_SEGMENTS) {
> @@ -2111,7 +2112,6 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
>
>      if (vs->start_pts == AV_NOPTS_VALUE) {
>          vs->start_pts = pkt->pts;
> -        vs->end_pts   = pkt->pts;
>      }
>
>      if (vs->has_video) {
> @@ -2123,6 +2123,8 @@ static int hls_write_packet(AVFormatContext *s, AVPacket *pkt)
>          is_ref_pkt = can_split = 0;
>
>      if (is_ref_pkt) {
> +        if (vs->end_pts == AV_NOPTS_VALUE)
> +            vs->end_pts = pkt->pts;
>          if (vs->new_start) {
>              vs->new_start = 0;
>              vs->duration = (double)(pkt->pts - vs->end_pts)
> --
> 1.9.1
>
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LGTM,

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