[FFmpeg-trac] #9233(avformat:new): MPEG-2 audio stream probed as AC-3 due to PMT descriptor

FFmpeg trac at avcodec.org
Mon May 10 19:11:53 EEST 2021

#9233: MPEG-2 audio stream probed as AC-3 due to PMT descriptor
             Reporter:  Chris        |                     Type:  defect
  Olekas                             |
               Status:  new          |                 Priority:  normal
            Component:  avformat     |                  Version:
             Keywords:  mpegts AAC   |  unspecified
  ac3                                |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
 Summary of the bug:
 I have a stream that within the PMT has an AC-3 descriptor but the audio
 type is MPEG-2 audio (IEC 13818-3)

 How to reproduce:

 Use the attached ac3-mpeg2-issue.ts

 Input #0, mpegts, from 'ac3-mpeg2-issue.ts':
   Duration: 00:00:03.27, start: 22824.824789, bitrate: 10034 kb/s
   Program 1
       service_name    : HRD_NUESTRT_SD_33431_0
     Stream #0:0[0x3e9]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002),
 yuv420p(tv, top first), 720x480 [SAR 8:9 DAR 4:3], 29.97 fps, 29.97 tbr,
 90k tbn, 59.94 tbc
     Side data:
       cpb: bitrate max/min/avg: 3750000/0/0 buffer size: 1835008
 vbv_delay: N/A
     Stream #0:1[0x3ea](spa): Audio: ac3 (AC-3 / 0x332D4341), 0 channels,

 Tested on: f8d910e90f599f338438833dfc92e2f1915ce414
Ticket URL: <https://trac.ffmpeg.org/ticket/9233>
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