Re: [FFmpeg-devel] [PATCH] avformat/mpegts: remove obsolate hacks for detecting streams with bad PMTs

[Marton Balint <cus@passwd.hu>]

On Wed, 15 Jun 2022, Marton Balint wrote:

> Ffmpeg/ffprobe/ffplay sets scan_all_pmts to 1 when finding the streams, that
> should be enough to handle files for which some early PMTs miss some streams.
>
> Fixes ticket #9782.

Will apply.

Regards,
Marton

>
> Signed-off-by: Marton Balint <cus@passwd.hu>
> ---
> libavformat/mpegts.c | 12 ++----------
> 1 file changed, 2 insertions(+), 10 deletions(-)
>
> diff --git a/libavformat/mpegts.c b/libavformat/mpegts.c
> index 6e761c07f1..8a3436f2be 100644
> --- a/libavformat/mpegts.c
> +++ b/libavformat/mpegts.c
> @@ -2870,16 +2870,8 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet, int64_t pos)
>                     break;
>             }
>             if (i == ts->nb_prg && ts->nb_prg > 0) {
> -                int types = 0;
> -                for (i = 0; i < ts->stream->nb_streams; i++) {
> -                    AVStream *st = ts->stream->streams[i];
> -                    if (st->codecpar->codec_type >= 0)
> -                        types |= 1<<st->codecpar->codec_type;
> -                }
> -                if ((types & (1<<AVMEDIA_TYPE_AUDIO) && types & (1<<AVMEDIA_TYPE_VIDEO)) || pos > 100000) {
> -                    av_log(ts->stream, AV_LOG_DEBUG, "All programs have pmt, headers found\n");
> -                    ts->stream->ctx_flags &= ~AVFMTCTX_NOHEADER;
> -                }
> +                av_log(ts->stream, AV_LOG_DEBUG, "All programs have pmt, headers found\n");
> +                ts->stream->ctx_flags &= ~AVFMTCTX_NOHEADER;
>             }
>         }
>
> -- 
> 2.34.1
>
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