[FFmpeg-devel] [PATCH v2 2/2] avformat/mpegtsenc: first timestamp check needed

[lance.lmwang at gmail.com]

On Fri, Oct 30, 2020 at 10:18:29AM +0100, Marton Balint wrote:
> 
> On Thu, 29 Oct 2020, lance.lmwang at gmail.com wrote:
> 
> A better commit message would be:
> avformat/mpegtsenc: check that not only first pts but also first dts is valid

fix it locally.

> 
> > From: Limin Wang <lance.lmwang at gmail.com>
> > 
> > Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
> > ---
> > libavformat/mpegtsenc.c | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> > 
> > diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
> > index 383181d..9e105b7 100644
> > --- a/libavformat/mpegtsenc.c
> > +++ b/libavformat/mpegtsenc.c
> > @@ -232,7 +232,7 @@ typedef struct MpegTSWriteStream {
> >     int cc;
> >     int discontinuity;
> >     int payload_size;
> > -    int first_pts_checked; ///< first pts check needed
> > +    int first_timestamp_checked; ///< first pts/dts check needed
> >     int prev_payload_key;
> >     int64_t payload_pts;
> >     int64_t payload_dts;
> > @@ -1699,11 +1699,11 @@ static int mpegts_write_packet_internal(AVFormatContext *s, AVPacket *pkt)
> >             dts += delay;
> >     }
> > 
> > -    if (!ts_st->first_pts_checked && pts == AV_NOPTS_VALUE) {
> > -        av_log(s, AV_LOG_ERROR, "first pts value must be set\n");
> > +    if (!ts_st->first_timestamp_checked && (pts == AV_NOPTS_VALUE || dts == AV_NOPTS_VALUE)) {
> > +        av_log(s, AV_LOG_ERROR, "first pts or dts value must be set\n");
> 
> "first pts and dts value must be set\n"

fix it locally.

> 
> >         return AVERROR_INVALIDDATA;
> >     }
> > -    ts_st->first_pts_checked = 1;
> > +    ts_st->first_timestamp_checked = 1;
> > 
> >     if (st->codecpar->codec_id == AV_CODEC_ID_H264) {
> >         const uint8_t *p = buf, *buf_end = p + size;
> 
> LGTM otherwise.
> 
> Thanks,
> Marton
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-- 
Thanks,
Limin Wang