id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
1952	FFMPEG not able to copy empty audio stream in wtv	ramitbhalla		"Summary of the bug: When trying to copy audio streams it reports the audio stream as 0 channels and then fails to copy the stream.

How to reproduce:
ffmpeg.x86.exe -i broken_remux.wtv -codec copy -map 0:a out.ts

{{{
ffmpeg version N-46726-g2f74f8d Copyright (c) 2000-2012 the FFmpeg developers
  built on Nov 13 2012 19:29:51 with gcc 4.7.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-pthreads --enable-runtime-cpudetect --enable-avisynth --enable
-bzlib --enable-frei0r --enable-libass --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enab
le-libgsm --enable-libmp3lame --enable-libnut --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroed
inger --enable-libspeex --enable-libtheora --enable-libutvideo --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-li
bvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52.  6.100 / 52.  6.100
  libavcodec     54. 71.100 / 54. 71.100
  libavformat    54. 36.100 / 54. 36.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 23.100 /  3. 23.100
  libswscale      2.  1.102 /  2.  1.102
  libswresample   0. 16.100 /  0. 16.100
  libpostproc    52.  1.100 / 52.  1.100
[wtv @ 01f7af20] reported file length (0x4fd7094c) exceeds number of available sectors (0x40000000)
[mpeg2video @ 03cd5cc0] mpeg_decode_postinit() failure
    Last message repeated 18 times
[wtv @ 01f7af20] Could not find codec parameters for stream 2 (Audio: ac3, 0 channels, s16): unspecified sample rate
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, wtv, from 'broken_remux.wtv':
  Metadata:
    WM/MediaClassPrimaryID: db9830bd-3ab3-4fab-8a371a995f7ff74
    WM/MediaClassSecondaryID: ba7f258a-62f7-47a9-b21f4651c42a000
    Title           : Covert Affairs
    WM/SubTitle     : Scary Monsters (and Super Creeps)
    genre           : Drama;General;Series
    WM/OriginalReleaseTime: 0
    WM/MediaCredits : Piper Perabo/Christopher Gorham/Peter Gallagher/Anne Dudek/Kari Matchett;;;
    service_provider: USA
    service_name    : USA Network
    WM/MediaNetworkAffiliation: Satellite
    WM/MediaOriginalChannel: 35
    WM/MediaOriginalChannelSubNumber: 0
    WM/MediaOriginalBroadcastDateTime: 2012-11-06T06:00:00Z
    WM/MediaOriginalRunTime: 36583578040
    WM/MediaIsStereo: false
    WM/MediaIsRepeat: false
    WM/MediaIsLive  : false
    WM/MediaIsTape  : false
    WM/MediaIsDelay : false
    WM/MediaIsSubtitled: false
    WM/MediaIsMovie : false
    WM/MediaIsPremiere: false
    WM/MediaIsFinale: false
    WM/MediaIsSAP   : false
    WM/MediaIsSport : false
    WM/ParentalRating: TV-PG
    WM/Provider     : MediaCenterDefault
    WM/VideoClosedCaptioning: true
    WM/WMRVEncodeTime: 2012-11-07 03:00:01
    WM/WMRVSeriesUID: !MCSeries!236524124
    WM/WMRVServiceID: !MCService!28459373
    WM/WMRVProgramID: !MCProgram!281435509
    WM/WMRVRequestID: 0
    WM/WMRVScheduleItemID: 0
    WM/WMRVQuality  : 1
    WM/WMRVOriginalSoftPrePadding: 300
    WM/WMRVOriginalSoftPostPadding: 0
    WM/WMRVHardPrePadding: -300
    WM/WMRVHardPostPadding: 0
    WM/WMRVATSCContent: true
    WM/WMRVDTVContent: true
    WM/WMRVHDContent: false
    Duration        : 36586250864
    WM/WMRVEndTime  : 2012-11-07 04:01:00
    WM/WMRVBitrate  : 2.930237
    WM/WMRVKeepUntil: -1
    WM/WMRVActualSoftPrePadding: 298
    WM/WMRVActualSoftPostPadding: 0
    WM/WMRVContentProtected: false
    WM/WMRVContentProtectedPercent: 0
    WM/WMRVExpirationSpan: 9223372036854775807
    WM/WMRVInBandRatingSystem: 255
    WM/WMRVInBandRatingLevel: 255
    WM/WMRVInBandRatingAttributes: 0
    WM/WMRVWatched  : false
    WM/MediaThumbWidth: 352
    WM/MediaThumbHeight: 310
    WM/MediaThumbStride: 1056
    WM/MediaThumbRet: 0
    WM/MediaThumbRatingSystem: 9
    WM/MediaThumbRatingLevel: 10
    WM/MediaThumbRatingAttributes: 0
    WM/MediaThumbAspectRatioX: 4
    WM/MediaThumbAspectRatioY: 3
    WM/MediaThumbTimeStamp: 4644421659667696459
  Duration: 00:40:32.01, start: 12135.221998, bitrate: 6 kb/s
    Stream #0:0[0x30]: Subtitle: eia_608
    Stream #0:1[0x31]: Audio: ac3, 48000 Hz, stereo, s16, 192 kb/s
    Stream #0:2[0x32]: Audio: ac3, 0 channels, s16
    Stream #0:3[0x33]: Video: mpeg2video (Main), yuv420p, 544x480 [SAR 20:17 DAR 4:3], 29.97 fps, 29.97 tbr, 10000k tbn,
 59.94 tbc
    Stream #0:4[0x0]: Attachment: mjpeg
    Metadata:
      title           : TV Thumbnail
[mpegts @ 03f08520] sample rate not set
Output #0, mpegts, to 'out.ts':
  Metadata:
    WM/MediaClassPrimaryID: db9830bd-3ab3-4fab-8a371a995f7ff74
    WM/MediaClassSecondaryID: ba7f258a-62f7-47a9-b21f4651c42a000
    Title           : Covert Affairs
    WM/SubTitle     : Scary Monsters (and Super Creeps)
    genre           : Drama;General;Series
    WM/OriginalReleaseTime: 0
    WM/MediaCredits : Piper Perabo/Christopher Gorham/Peter Gallagher/Anne Dudek/Kari Matchett;;;
    service_provider: USA
    service_name    : USA Network
    WM/MediaNetworkAffiliation: Satellite
    WM/MediaOriginalChannel: 35
    WM/MediaOriginalChannelSubNumber: 0
    WM/MediaOriginalBroadcastDateTime: 2012-11-06T06:00:00Z
    WM/MediaOriginalRunTime: 36583578040
    WM/MediaIsStereo: false
    WM/MediaIsRepeat: false
    WM/MediaIsLive  : false
    WM/MediaIsTape  : false
    WM/MediaIsDelay : false
    WM/MediaIsSubtitled: false
    WM/MediaIsMovie : false
    WM/MediaIsPremiere: false
    WM/MediaIsFinale: false
    WM/MediaIsSAP   : false
    WM/MediaIsSport : false
    WM/ParentalRating: TV-PG
    WM/Provider     : MediaCenterDefault
    WM/VideoClosedCaptioning: true
    WM/WMRVEncodeTime: 2012-11-07 03:00:01
    WM/WMRVSeriesUID: !MCSeries!236524124
    WM/WMRVServiceID: !MCService!28459373
    WM/WMRVProgramID: !MCProgram!281435509
    WM/WMRVRequestID: 0
    WM/WMRVScheduleItemID: 0
    WM/WMRVQuality  : 1
    WM/WMRVOriginalSoftPrePadding: 300
    WM/WMRVOriginalSoftPostPadding: 0
    WM/WMRVHardPrePadding: -300
    WM/WMRVHardPostPadding: 0
    WM/WMRVATSCContent: true
    WM/WMRVDTVContent: true
    WM/WMRVHDContent: false
    Duration        : 36586250864
    WM/WMRVEndTime  : 2012-11-07 04:01:00
    WM/WMRVBitrate  : 2.930237
    WM/WMRVKeepUntil: -1
    WM/WMRVActualSoftPrePadding: 298
    WM/WMRVActualSoftPostPadding: 0
    WM/WMRVContentProtected: false
    WM/WMRVContentProtectedPercent: 0
    WM/WMRVExpirationSpan: 9223372036854775807
    WM/WMRVInBandRatingSystem: 255
    WM/WMRVInBandRatingLevel: 255
    WM/WMRVInBandRatingAttributes: 0
    WM/WMRVWatched  : false
    WM/MediaThumbWidth: 352
    WM/MediaThumbHeight: 310
    WM/MediaThumbStride: 1056
    WM/MediaThumbRet: 0
    WM/MediaThumbRatingSystem: 9
    WM/MediaThumbRatingLevel: 10
    WM/MediaThumbRatingAttributes: 0
    WM/MediaThumbAspectRatioX: 4
    WM/MediaThumbAspectRatioY: 3
    WM/MediaThumbTimeStamp: 4644421659667696459
    Stream #0:0: Audio: ac3, 48000 Hz, stereo, 192 kb/s
    Stream #0:1: Audio: ac3, 0 channels
Stream mapping:
  Stream #0:1 -> #0:0 (copy)
  Stream #0:2 -> #0:1 (copy)
Could not write header for output file #0 (incorrect codec parameters ?): Invalid argument
}}}

Ideally it should copy the stream, and if there is an issue then anyways it should not fail, maybe skip the stream"	defect	new	normal	undetermined	git-master		wtv ac3				0	0
