[FFmpeg-trac] #5866(avformat:new): mxf regression with xiph sample file

[FFmpeg]

#5866: mxf regression with xiph sample file
-------------------------------------+-------------------------------------
             Reporter:  cehoyos      |                    Owner:
                 Type:  defect       |                   Status:  new
             Priority:  important    |                Component:  avformat
              Version:  git-master   |               Resolution:
             Keywords:  mxf          |               Blocked By:
  regression                         |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by ddennedy):

 I tried the following, and it produces a file with a lot of static noise
 in addition to some discernible sounds (but no dialog) from having watched
 the clip on Netflix and !YouTube.

 {{{
 $ ffmpeg -f s24le -ar 48000 -ac 6 -i MERIDIAN_SHR_C_EN-XX_US-
 NR_51_LTRT_UHD_2016090 9_OV_01_EN_51_A.mxf -c copy -y MERIDIAN_SHR_C_EN-
 XX_US-NR_51_LTRT_UHD_20160909_OV_0 1_EN_51_A.wav

 ffmpeg version N-86755-g0780ad9 Copyright (c) 2000-2017 the FFmpeg
 developers
   built with gcc 7.1.0 (GCC)
   configuration: --enable-gpl --enable-version3 --enable-cuda --enable-
 cuvid --enabl
 e-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth
 --enable-b
 zlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv
 --enable-lib
 ass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-
 libfreetype --enab
 le-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-
 libmp3lame -
 -enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264
 --enable-l
 ibopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-
 libsoxr --e
 nable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab
 --enable-l
 ibvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack
 --enable-libweb
 p --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid
 --enable-libzi
 mg --enable-lzma --enable-zlib
   libavutil      55. 67.100 / 55. 67.100
   libavcodec     57.100.104 / 57.100.104
   libavformat    57. 75.100 / 57. 75.100
   libavdevice    57.  7.100 / 57.  7.100
   libavfilter     6. 95.100 /  6. 95.100
   libswscale      4.  7.101 /  4.  7.101
   libswresample   2.  8.100 /  2.  8.100
   libpostproc    54.  6.100 / 54.  6.100
 [s24le @ 0000000002b425e0] Estimating duration from bitrate, this may be
 inaccurate
 Guessed Channel Layout for Input Stream #0.0 : 5.1
 Input #0, s24le, from 'MERIDIAN_SHR_C_EN-XX_US-
 NR_51_LTRT_UHD_20160909_OV_01_EN_51_A.mxf':
   Duration: 00:11:58.95, bitrate: 6911 kb/s
     Stream #0:0: Audio: pcm_s24le, 48000 Hz, 5.1, s32 (24 bit), 6912 kb/s
 Output #0, wav, to 'MERIDIAN_SHR_C_EN-XX_US-
 NR_51_LTRT_UHD_20160909_OV_01_EN_51_A.wav':
   Metadata:
     ISFT            : Lavf57.75.100
     Stream #0:0: Audio: pcm_s24le ([1][0][0][0] / 0x0001), 48000 Hz, 5.1,
 s32 (24 bit), 6912kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (copy)
 }}}

 I also tried without "-c copy" before that. Using "-c pcm_s24le" failed
 with:
 {{{
 [pcm_s24le @ 000000000073e880] Multiple frames in a packet.d=33.2x
 [pcm_s24le @ 000000000073e880] Invalid PCM packet, data has size 13 but at
 least a size of 18 was expected
 Error while decoding stream #0:0: Invalid data found when processing input
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/5866#comment:4>
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