[FFmpeg-trac] #9102(undetermined:new): make HLS from multicast with ac3 audio track which have 0 channels

[FFmpeg]

#9102: make HLS from multicast with ac3 audio track which have 0 channels
-------------------------------------+-------------------------------------
             Reporter:  krs_vital    |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  git-master   |               Resolution:
             Keywords:  ac3          |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by krs_vital):

 it happens in both cases, there is no audio ac3 track on the output:

 ffmpeg -re -i ./stream.ts -c copy -f mpegts udp://239.192.33.33:1234

 [mpegts @ 0x42bca40] start time for stream 0 is not set in
 estimate_timings_from_pts
 [mpegts @ 0x42bca40] start time for stream 3 is not set in
 estimate_timings_from_pts
 [mpegts @ 0x42bca40] start time for stream 4 is not set in
 estimate_timings_from_pts
 [mpegts @ 0x42bca40] PES packet size mismatch
 [mpegts @ 0x42bca40] Packet corrupt (stream = 2, dts = 6774606868).
 [mpegts @ 0x42bca40] stream 3 : no TS found at start of file, duration not
 set
 [mpegts @ 0x42bca40] Could not find codec parameters for stream 3 (Audio:
 ac3 (AC-3 / 0x332D4341), 0 channels, fltp): unspecified sample rate
 Consider increasing the value for the 'analyzeduration' and 'probesize'
 options
 Input #0, mpegts, from './stream.ts':
   Duration: 00:00:20.13, start: 75254.113644, bitrate: 6130 kb/s
   Program 17104
     Metadata:
       service_name    : VIP Premiere
       service_provider: HTB+
     Stream #0:1[0x130]: Video: h264 (High) ([27][0][0][0] / 0x001B),
 yuv420p(tv, bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], 25 fps, 50
 tbr, 90k tbn, 50 tbc
     Stream #0:2[0x194](rus): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, fltp, 192 kb/s
     Stream #0:3[0x1a8](rus): Audio: ac3 (AC-3 / 0x332D4341), 0 channels,
 fltp
     Stream #0:4[0x1f8](rus): Subtitle: dvb_subtitle ([6][0][0][0] /
 0x0006)
   No Program
     Stream #0:0[0x12]: Data: epg
 Output #0, mpegts, to 'udp://239.192.33.33:1234':
   Metadata:
     encoder         : Lavf58.43.100
     Stream #0:0: Video: h264 (High) ([27][0][0][0] / 0x001B), yuv420p(tv,
 bt709, top first), 1920x1080 [SAR 1:1 DAR 16:9], q=2-31, 25 fps, 50 tbr,
 90k tbn, 90k tbc
     Stream #0:1(rus): Audio: mp2 ([3][0][0][0] / 0x0003), 48000 Hz,
 stereo, fltp, 192 kb/s
 Stream mapping:
   Stream #0:1 -> #0:0 (copy)
   Stream #0:2 -> #0:1 (copy)

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Ticket URL: <https://trac.ffmpeg.org/ticket/9102#comment:4>
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