id summary reporter owner description type status priority component version resolution keywords cc blockedby blocking reproduced analyzed 2159 FFMPEG not consistently identifying audio tracks and selects audio track with no data ramitbhalla "Summary of the bug: FFMPEg is not able to consistently identity the audio tracks types. Sometimes it identifies audio tracks as having data when it does not actually have any data. Then when once tries to stream copy the audio tracks, it selects the track with no audio data in it. The following file has been uploaded to the FFMPEG FTP server: The Adventures of Abney and Teal_CBeebies_2013_01_03_17_55_00.wtv How to reproduce: First take a look at this properties of the file reported by FFMPEG: {{{ ffmpeg -i ""The Adventures of Abney and Teal_CBeebies_2013_01_03_17_55_00.wtv"" ffmpeg version N-48065-g6375318 Copyright (c) 2000-2012 the FFmpeg developers built on Dec 21 2012 09:06:30 with gcc 4.7.2 (GCC) configuration: --enable-static --arch=x86 --target-os=mingw32 --cross-prefix=/home/rdp/dev/ffmpeg-windows-build-helper s/sandbox/mingw-w64-i686/bin/i686-w64-mingw32- --pkg-config=pkg-config --enable-gpl --enable-libx264 --enable-avisynth - -enable-libxvid --enable-libmp3lame --enable-version3 --enable-zlib --enable-librtmp --enable-libvorbis --enable-libtheo ra --enable-libspeex --enable-libopenjpeg --enable-gnutls --enable-libgsm --enable-libfreetype --enable-fontconfig --ena ble-libass --enable-libutvideo --enable-libopus --disable-w32threads --enable-frei0r --enable-filter=frei0r --enable-lib vo-aacenc --enable-bzlib --enable-libxavs --extra-cflags=-DPTW32_STATIC_LIB --enable-libopencore-amrnb --enable-libopenc ore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-libbluray --enable-libvpx --enable-runtime-cpudetect libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 81.100 / 54. 81.100 libavformat 54. 49.102 / 54. 49.102 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 29.100 / 3. 29.100 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 [mpeg2video @ 021de8c0] mpeg_decode_postinit() failure Last message repeated 18 times [wtv @ 021dc640] max_analyze_duration 5000000 reached at 5016000 [wtv @ 021dc640] Could not find codec parameters for stream 0 (Audio: mp2 (P[0][0][0] / 0x0050), 48000 Hz, 2 channels, s 16p, 256 kb/s): unspecified frame size Consider increasing the value for the 'analyzeduration' and 'probesize' options Guessed Channel Layout for Input Stream #0.0 : stereo Input #0, wtv, from 'The Adventures of Abney and Teal_CBeebies_2013_01_03_17_55_00.wtv': Metadata: WM/MediaClassPrimaryID: db9830bd-3ab3-4fab-8a371a995f7ff74 WM/MediaClassSecondaryID: ba7f258a-62f7-47a9-b21f4651c42a000 Title : The Adventures of Abney and Teal WM/SubTitleDescription: CBeebies Bedtime Hour. The Mystery: Animated adventures of two friends who live on an island in the middle of the big city. Some of Abney and Teal's favourite objects are missing. [S] genre : Kids;Other Kids WM/OriginalReleaseTime: 0 WM/MediaCredits : ;;; service_provider: CBeebies service_name : CBeebies WM/MediaNetworkAffiliation: CBeebies WM/MediaOriginalChannel: 71 WM/MediaOriginalChannelSubNumber: 0 WM/MediaOriginalBroadcastDateTime: 0001-01-01T00:00:00Z WM/MediaOriginalRunTime: 11978229000 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/Provider : MediaCenterDefault WM/VideoClosedCaptioning: false WM/WMRVEncodeTime: 2013-01-03 17:55:02 WM/WMRVSeriesUID: !GenericSeries!The Adventures of Abney and Teal WM/WMRVServiceID: !Generated!ced17fb0888747b0b0b5a81bea9a64c8 WM/WMRVProgramID: !Loaders!Glid!Programs!9018:4163:4672!53777 WM/WMRVRequestID: 0 WM/WMRVScheduleItemID: 0 WM/WMRVQuality : 0 WM/WMRVOriginalSoftPrePadding: 420 WM/WMRVOriginalSoftPostPadding: 300 WM/WMRVHardPrePadding: -120 WM/WMRVHardPostPadding: 0 WM/WMRVATSCContent: false WM/WMRVDTVContent: true WM/WMRVHDContent: false Duration : 12375986000 WM/WMRVEndTime : 2013-01-03 18:15:39 WM/WMRVBitrate : 5.320834 WM/WMRVKeepUntil: 0 WM/WMRVActualSoftPrePadding: 425 WM/WMRVActualSoftPostPadding: 300 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: 281 WM/MediaThumbStride: 1056 WM/MediaThumbRet: 0 WM/MediaThumbRatingSystem: 255 WM/MediaThumbRatingLevel: 255 WM/MediaThumbRatingAttributes: 0 WM/MediaThumbAspectRatioX: 16 WM/MediaThumbAspectRatioY: 9 WM/MediaThumbTimeStamp: 4649100181723190918 Duration: 00:20:35.90, start: 2.006284, bitrate: 5328 kb/s Stream #0:0[0x75](eng): Audio: mp2 (P[0][0][0] / 0x0050), 48000 Hz, stereo, s16p, 256 kb/s (hearing impaired) Stream #0:1[0x76]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 10000k tbn, 50 t bc Stream #0:2[0x77](eng): Subtitle: dvb_subtitle Stream #0:3[0x79](eng): Audio: mp2 (P[0][0][0] / 0x0050), 48000 Hz, stereo, s16p, 256 kb/s At least one output file must be specified }}} This identifies Stream 0 as a MP2 audio track with stereo configuration, when actually there is no audio in the track! (playback with Windows MEdia Center and select 2nd audio track, no audio). Now when I try to stream copy it, it select the No Audio track instead of the one with Audio {{{ ffmpeg -i ""The Adventures of Abney and Teal_CBeebies_2013_01_03_17_55_00.wtv"" -vcodec copy -acodec copy test.ts ffmpeg version N-48065-g6375318 Copyright (c) 2000-2012 the FFmpeg developers built on Dec 21 2012 09:06:30 with gcc 4.7.2 (GCC) configuration: --enable-static --arch=x86 --target-os=mingw32 --cross-prefix=/home/rdp/dev/ffmpeg-windows-build-helper s/sandbox/mingw-w64-i686/bin/i686-w64-mingw32- --pkg-config=pkg-config --enable-gpl --enable-libx264 --enable-avisynth - -enable-libxvid --enable-libmp3lame --enable-version3 --enable-zlib --enable-librtmp --enable-libvorbis --enable-libtheo ra --enable-libspeex --enable-libopenjpeg --enable-gnutls --enable-libgsm --enable-libfreetype --enable-fontconfig --ena ble-libass --enable-libutvideo --enable-libopus --disable-w32threads --enable-frei0r --enable-filter=frei0r --enable-lib vo-aacenc --enable-bzlib --enable-libxavs --extra-cflags=-DPTW32_STATIC_LIB --enable-libopencore-amrnb --enable-libopenc ore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-libbluray --enable-libvpx --enable-runtime-cpudetect libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 81.100 / 54. 81.100 libavformat 54. 49.102 / 54. 49.102 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 29.100 / 3. 29.100 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 [mpeg2video @ 01f8e9a0] mpeg_decode_postinit() failure Last message repeated 18 times [wtv @ 01f8ca60] max_analyze_duration 5000000 reached at 5016000 [wtv @ 01f8ca60] Could not find codec parameters for stream 0 (Audio: mp2 (P[0][0][0] / 0x0050), 48000 Hz, 2 channels, s 16p, 256 kb/s): unspecified frame size Consider increasing the value for the 'analyzeduration' and 'probesize' options Guessed Channel Layout for Input Stream #0.0 : stereo Input #0, wtv, from 'The Adventures of Abney and Teal_CBeebies_2013_01_03_17_55_00.wtv': Metadata: WM/MediaClassPrimaryID: db9830bd-3ab3-4fab-8a371a995f7ff74 WM/MediaClassSecondaryID: ba7f258a-62f7-47a9-b21f4651c42a000 Title : The Adventures of Abney and Teal WM/SubTitleDescription: CBeebies Bedtime Hour. The Mystery: Animated adventures of two friends who live on an island in the middle of the big city. Some of Abney and Teal's favourite objects are missing. [S] genre : Kids;Other Kids WM/OriginalReleaseTime: 0 WM/MediaCredits : ;;; service_provider: CBeebies service_name : CBeebies WM/MediaNetworkAffiliation: CBeebies WM/MediaOriginalChannel: 71 WM/MediaOriginalChannelSubNumber: 0 WM/MediaOriginalBroadcastDateTime: 0001-01-01T00:00:00Z WM/MediaOriginalRunTime: 11978229000 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/Provider : MediaCenterDefault WM/VideoClosedCaptioning: false WM/WMRVEncodeTime: 2013-01-03 17:55:02 WM/WMRVSeriesUID: !GenericSeries!The Adventures of Abney and Teal WM/WMRVServiceID: !Generated!ced17fb0888747b0b0b5a81bea9a64c8 WM/WMRVProgramID: !Loaders!Glid!Programs!9018:4163:4672!53777 WM/WMRVRequestID: 0 WM/WMRVScheduleItemID: 0 WM/WMRVQuality : 0 WM/WMRVOriginalSoftPrePadding: 420 WM/WMRVOriginalSoftPostPadding: 300 WM/WMRVHardPrePadding: -120 WM/WMRVHardPostPadding: 0 WM/WMRVATSCContent: false WM/WMRVDTVContent: true WM/WMRVHDContent: false Duration : 12375986000 WM/WMRVEndTime : 2013-01-03 18:15:39 WM/WMRVBitrate : 5.320834 WM/WMRVKeepUntil: 0 WM/WMRVActualSoftPrePadding: 425 WM/WMRVActualSoftPostPadding: 300 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: 281 WM/MediaThumbStride: 1056 WM/MediaThumbRet: 0 WM/MediaThumbRatingSystem: 255 WM/MediaThumbRatingLevel: 255 WM/MediaThumbRatingAttributes: 0 WM/MediaThumbAspectRatioX: 16 WM/MediaThumbAspectRatioY: 9 WM/MediaThumbTimeStamp: 4649100181723190918 Duration: 00:20:35.90, start: 2.006284, bitrate: 5328 kb/s Stream #0:0[0x75](eng): Audio: mp2 (P[0][0][0] / 0x0050), 48000 Hz, stereo, s16p, 256 kb/s (hearing impaired) Stream #0:1[0x76]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 10000k tbn, 50 t bc Stream #0:2[0x77](eng): Subtitle: dvb_subtitle Stream #0:3[0x79](eng): Audio: mp2 (P[0][0][0] / 0x0050), 48000 Hz, stereo, s16p, 256 kb/s Output #0, mpegts, to 'test.ts': Metadata: WM/MediaClassPrimaryID: db9830bd-3ab3-4fab-8a371a995f7ff74 WM/MediaClassSecondaryID: ba7f258a-62f7-47a9-b21f4651c42a000 Title : The Adventures of Abney and Teal WM/SubTitleDescription: CBeebies Bedtime Hour. The Mystery: Animated adventures of two friends who live on an island in the middle of the big city. Some of Abney and Teal's favourite objects are missing. [S] genre : Kids;Other Kids WM/OriginalReleaseTime: 0 WM/MediaCredits : ;;; service_provider: CBeebies service_name : CBeebies WM/MediaNetworkAffiliation: CBeebies WM/MediaOriginalChannel: 71 WM/MediaOriginalChannelSubNumber: 0 WM/MediaOriginalBroadcastDateTime: 0001-01-01T00:00:00Z WM/MediaOriginalRunTime: 11978229000 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/Provider : MediaCenterDefault WM/VideoClosedCaptioning: false WM/WMRVEncodeTime: 2013-01-03 17:55:02 WM/WMRVSeriesUID: !GenericSeries!The Adventures of Abney and Teal WM/WMRVServiceID: !Generated!ced17fb0888747b0b0b5a81bea9a64c8 WM/WMRVProgramID: !Loaders!Glid!Programs!9018:4163:4672!53777 WM/WMRVRequestID: 0 WM/WMRVScheduleItemID: 0 WM/WMRVQuality : 0 WM/WMRVOriginalSoftPrePadding: 420 WM/WMRVOriginalSoftPostPadding: 300 WM/WMRVHardPrePadding: -120 WM/WMRVHardPostPadding: 0 WM/WMRVATSCContent: false WM/WMRVDTVContent: true WM/WMRVHDContent: false Duration : 12375986000 WM/WMRVEndTime : 2013-01-03 18:15:39 WM/WMRVBitrate : 5.320834 WM/WMRVKeepUntil: 0 WM/WMRVActualSoftPrePadding: 425 WM/WMRVActualSoftPostPadding: 300 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: 281 WM/MediaThumbStride: 1056 WM/MediaThumbRet: 0 WM/MediaThumbRatingSystem: 255 WM/MediaThumbRatingLevel: 255 WM/MediaThumbRatingAttributes: 0 WM/MediaThumbAspectRatioX: 16 WM/MediaThumbAspectRatioY: 9 WM/MediaThumbTimeStamp: 4649100181723190918 encoder : Lavf54.49.102 Stream #0:0: Video: mpeg2video, yuv420p, 720x576 [SAR 64:45 DAR 16:9], q=2-31, 25 fps, 90k tbn, 25 tbc Stream #0:1(eng): Audio: mp2 (P[0][0][0] / 0x0050), 48000 Hz, stereo, 256 kb/s (hearing impaired) Stream mapping: Stream #0:1 -> #0:0 (copy) Stream #0:0 -> #0:1 (copy) Press [q] to stop, [?] for help frame=30894 fps=2808 q=-1.0 Lsize= 331695kB time=00:20:36.80 bitrate=2197.0kbits/s video:300633kB audio:5198kB subtitle:0 global headers:0kB muxing overhead 8.456973% }}} Now if I check the properties of the output file generated by FFMPEG, NOW it says the audio track has no data, but it's 2 late since it originally incorrectly identified the audio track as having data and then copied the wrong track (if I'm correct ffmpeg automatically selects the audio track with the highest quality of audio). {{{ ffmpeg -i test.ts ffmpeg version N-48065-g6375318 Copyright (c) 2000-2012 the FFmpeg developers built on Dec 21 2012 09:06:30 with gcc 4.7.2 (GCC) configuration: --enable-static --arch=x86 --target-os=mingw32 --cross-prefix=/home/rdp/dev/ffmpeg-windows-build-helper s/sandbox/mingw-w64-i686/bin/i686-w64-mingw32- --pkg-config=pkg-config --enable-gpl --enable-libx264 --enable-avisynth - -enable-libxvid --enable-libmp3lame --enable-version3 --enable-zlib --enable-librtmp --enable-libvorbis --enable-libtheo ra --enable-libspeex --enable-libopenjpeg --enable-gnutls --enable-libgsm --enable-libfreetype --enable-fontconfig --ena ble-libass --enable-libutvideo --enable-libopus --disable-w32threads --enable-frei0r --enable-filter=frei0r --enable-lib vo-aacenc --enable-bzlib --enable-libxavs --extra-cflags=-DPTW32_STATIC_LIB --enable-libopencore-amrnb --enable-libopenc ore-amrwb --enable-libvo-amrwbenc --enable-libschroedinger --enable-libbluray --enable-libvpx --enable-runtime-cpudetect libavutil 52. 12.100 / 52. 12.100 libavcodec 54. 81.100 / 54. 81.100 libavformat 54. 49.102 / 54. 49.102 libavdevice 54. 3.102 / 54. 3.102 libavfilter 3. 29.100 / 3. 29.100 libswscale 2. 1.103 / 2. 1.103 libswresample 0. 17.102 / 0. 17.102 libpostproc 52. 2.100 / 52. 2.100 [mpegts @ 002fc960] max_analyze_duration 5000000 reached at 5000000 [mpegts @ 002fc960] Could not find codec parameters for stream 1 (Audio: mp3 ([3][0][0][0] / 0x0003), 0 channels, s16p): unspecified frame size Consider increasing the value for the 'analyzeduration' and 'probesize' options [NULL @ 002ff9e0] start time is not set in estimate_timings_from_pts Input #0, mpegts, from 'test.ts': Duration: 00:20:35.76, start: 2.520144, bitrate: 2198 kb/s Program 1 Metadata: service_name : CBeebies service_provider: CBeebies Stream #0:0[0x100]: Video: mpeg2video (Main) ([2][0][0][0] / 0x0002), yuv420p, 720x576 [SAR 64:45 DAR 16:9], 25 fps, 25 tbr, 90k tbn, 50 tbc Stream #0:1[0x101](eng): Audio: mp3 ([3][0][0][0] / 0x0003), 0 channels, s16p (hearing impaired) At least one output file must be specified }}} " defect closed normal undetermined unspecified worksforme wtv 0 0