Opened 19 months ago

#9233 new defect

MPEG-2 audio stream probed as AC-3 due to PMT descriptor

Reported by: Chris Olekas Owned by:
Priority: normal Component: avformat
Version: unspecified Keywords: mpegts AAC ac3
Cc: Blocked By:
Blocking: Reproduced by developer: no
Analyzed by developer: no

Description

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                                   
    Metadata:           
      service_name    : HRD_NUESTRT_SD_33431_0                                                                                                                                                                                                                                       
      service_provider:                                                                                                                   
    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, fltp

Tested on: f8d910e90f599f338438833dfc92e2f1915ce414

Attachments (1)

ac3-mpeg2-issue.ts (2.0 MB ) - added by Chris Olekas 19 months ago.
MPEG-TS file with AAC audio but AC-3 descriptor

Download all attachments as: .zip

Change History (1)

by Chris Olekas, 19 months ago

Attachment: ac3-mpeg2-issue.ts added

MPEG-TS file with AAC audio but AC-3 descriptor

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