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

Marton Balint cus at passwd.hu
Wed Jun 15 08:34:42 EEST 2022


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.

Signed-off-by: Marton Balint <cus at 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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