id	summary	reporter	owner	description	type	status	priority	component	version	resolution	keywords	cc	blockedby	blocking	reproduced	analyzed
1957	Invalid channel layout '0x0' when processing an MXF with 16 channel audio	shroomM		"Summary of the bug:
Trying to convert a 16 channel audio of an MXF file fails.
The file was recorded by an Omneon playout system.

Sample file (130 MB):
[https://dl.dropbox.com/u/132558/16ch.mxf]

How to reproduce:
{{{
ffmpeg -v 9 -loglevel 99 -i 16ch.mxf -map 0:a -c:a pcm_s24le audio.wav
ffmpeg version N-36011-gf1470ca Copyright (c) 2000-2012 the FFmpeg developers
  built on Nov 24 2012 09:44:06 with gcc 4.6 (Ubuntu/Linaro 4.6.3-1ubuntu5)
  configuration: --enable-gpl --enable-libfaac --enable-libfdk-aac --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-nonfree --enable-version3
  libavutil      52.  8.100 / 52.  8.100
  libavcodec     54. 76.100 / 54. 76.100
  libavformat    54. 37.100 / 54. 37.100
  libavdevice    54.  3.100 / 54.  3.100
  libavfilter     3. 23.102 /  3. 23.102
  libswscale      2.  1.102 /  2.  1.102
  libswresample   0. 17.101 /  0. 17.101
  libpostproc    52.  2.100 / 52.  2.100
[mxf @ 0x290e220] Format mxf probed with size=2048 and score=100
[mxf @ 0x290e220] invalid KAGSize 0 - guessing 1
[mxf @ 0x290e220] invalid KAGSize 0 - guessing 1
[mxf @ 0x290e220] index entry 381 + TemporalOffset 1 = 382, which is out of bounds
[mxf @ 0x290e220] File position before avformat_find_stream_info() is 180354
[mxf @ 0x290e220] Probe buffer size limit 5000000 reached
rfps: 24.083333 0.018822
    Last message repeated 1 times
rfps: 24.166667 0.015556
    Last message repeated 1 times
rfps: 24.250000 0.012600
    Last message repeated 1 times
rfps: 24.333333 0.009956
    Last message repeated 1 times
rfps: 24.416667 0.007622
    Last message repeated 1 times
rfps: 24.500000 0.005600
    Last message repeated 1 times
rfps: 24.583333 0.003889
    Last message repeated 1 times
rfps: 24.666667 0.002489
    Last message repeated 1 times
rfps: 24.750000 0.001400
    Last message repeated 1 times
rfps: 24.833333 0.000622
    Last message repeated 1 times
rfps: 24.916667 0.000156
    Last message repeated 1 times
rfps: 25.000000 0.000000
rfps: 25.083333 0.000156
rfps: 25.166667 0.000622
rfps: 25.250000 0.001400
rfps: 25.333333 0.002489
rfps: 25.416667 0.003889
rfps: 25.500000 0.005600
rfps: 25.583333 0.007622
rfps: 25.666667 0.009956
rfps: 25.750000 0.012600
rfps: 25.833333 0.015556
rfps: 25.916667 0.018822
rfps: 49.083333 0.018822
    Last message repeated 1 times
rfps: 49.166667 0.015556
    Last message repeated 1 times
rfps: 49.250000 0.012600
    Last message repeated 1 times
rfps: 49.333333 0.009956
    Last message repeated 1 times
rfps: 49.416667 0.007622
    Last message repeated 1 times
rfps: 49.500000 0.005600
    Last message repeated 1 times
rfps: 49.583333 0.003889
    Last message repeated 1 times
rfps: 49.666667 0.002489
    Last message repeated 1 times
rfps: 49.750000 0.001400
    Last message repeated 1 times
rfps: 49.833333 0.000622
    Last message repeated 1 times
rfps: 49.916667 0.000156
    Last message repeated 1 times
rfps: 50.000000 0.000000
rfps: 50.083333 0.000156
rfps: 50.166667 0.000622
rfps: 50.250000 0.001400
rfps: 50.333333 0.002489
rfps: 50.416667 0.003889
rfps: 50.500000 0.005600
rfps: 50.583333 0.007622
rfps: 50.666667 0.009956
rfps: 50.750000 0.012600
rfps: 50.833333 0.015556
rfps: 50.916667 0.018822
[mxf @ 0x290e220] File position after avformat_find_stream_info() is 5305906
Input #0, mxf, from '16ch.mxf':
  Metadata:
    timecode        : 08:26:17:02
  Duration: 00:00:15.00, start: 0.000000, bitrate: 69798 kb/s
    Stream #0:0, 14, 1/25: Video: mpeg2video (4:2:2), yuv422p, 1920x1080 [SAR 3:4 DAR 4:3], 1/50, 25 fps, 25 tbr, 25 tbn, 50 tbc
    Stream #0:1, 14, 1/48000: Audio: pcm_s24be, 48000 Hz, 16 channels, s32, 18432 kb/s
File 'audio.wav' already exists. Overwrite ? [y/N] y
Setting entry with key 'time_base' to value '1/48000'
[abuffer @ 0x290cce0] Setting entry with key 'sample_rate' to value '48000'
[abuffer @ 0x290cce0] Setting entry with key 'sample_fmt' to value 's32'
[abuffer @ 0x290cce0] Setting entry with key 'channel_layout' to value '0x0'
[graph 0 input from stream 0:1 @ 0x290b560] Invalid channel layout '0x0'
Error opening filters!
Statistics: 5191292 bytes read, 3 seeks
}}}"	defect	closed	important	undetermined	git-master	duplicate	mxf regression				0	0