[FFmpeg-trac] #3510(undetermined:new): Many errors, glitchy audio output with -filter_complex "[0:1][0:2][0:3][0:4][0:5][0:6] amerge=inputs=6"

FFmpeg trac at avcodec.org
Sun Mar 30 08:06:04 CEST 2014


#3510: Many errors, glitchy audio output with -filter_complex
"[0:1][0:2][0:3][0:4][0:5][0:6] amerge=inputs=6"
--------------------------------------+----------------------------------
             Reporter:  ianken        |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  2.2
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
--------------------------------------+----------------------------------
 Many errors, glitchy audio output with -filter_complex
 "[0:1][0:2][0:3][0:4][0:5][0:6] amerge=inputs=6"

 Sample media here:

 https://dl.dropboxusercontent.com/u/67080212/AMERGE_REPRO_MEDIA.zip

 If I extract the 6 channels into discrete WAV files then read them as
 inputs and merge it works. It'd be nice to do this in one pass instead of
 two.

 Command Spew:

 C:\X264Test>ffmpeg -y -i source.mov -filter_complex
 "[0:1][0:2][0:3][0:4][0:5][0:6] amerge=inputs=6" -vn foo.wav
 ffmpeg version N-61914-g657cee1 Copyright (c) 2000-2014 the FFmpeg
 developers
   built on Mar 28 2014 22:02:04 with gcc 4.8.2 (GCC)
   configuration: --enable-gpl --enable-version3 --disable-w32threads
 --enable-avisynth --enable-bzlib --enable-fontconfi
 g --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-
 libbluray --enable-libcaca --enable-libfreetyp
 e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame
 --enable-libopencore-amrnb --enable-libopenco
 re-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-
 libschroedinger --enable-libsoxr --enable-libsp
 eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-
 libvo-aacenc --enable-libvo-amrwbenc --enable-li
 bvorbis --enable-libvpx --enable-libwavpack --enable-libx264 --enable-
 libx265 --enable-libxavs --enable-libxvid --enable
 -zlib
   libavutil      52. 69.100 / 52. 69.100
   libavcodec     55. 55.104 / 55. 55.104
   libavformat    55. 36.100 / 55. 36.100
   libavdevice    55. 11.100 / 55. 11.100
   libavfilter     4.  3.100 /  4.  3.100
   libswscale      2.  5.102 /  2.  5.102
   libswresample   0. 18.100 /  0. 18.100
   libpostproc    52.  3.100 / 52.  3.100
 Guessed Channel Layout for  Input Stream #0.7 : stereo
 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'source.mov':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     creation_time   : 2014-02-20 17:18:14
   Duration: 00:02:05.04, start: 0.000000, bitrate: 55224 kb/s
     Stream #0:0(eng): Video: prores (apch / 0x68637061), yuv422p10le,
 720x480, 45979 kb/s, SAR 32:27 DAR 16:9, 23.98 fps
 , 23.98 tbr, 23976 tbn, 23976 tbc (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
       timecode        : 00:00:00:00
     Stream #0:1(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1
 channels (FL), s32, 1152 kb/s (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
     Stream #0:2(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1
 channels (FR), s32, 1152 kb/s (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
     Stream #0:3(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz,
 mono, s32, 1152 kb/s (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
     Stream #0:4(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1
 channels (LFE), s32, 1152 kb/s (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
     Stream #0:5(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1
 channels (BL), s32, 1152 kb/s (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
     Stream #0:6(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz, 1
 channels (BR), s32, 1152 kb/s (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
     Stream #0:7(eng): Audio: pcm_s24le (in24 / 0x34326E69), 48000 Hz,
 stereo, s32, 2304 kb/s (default)
     Metadata:
       creation_time   : 2014-02-20 17:18:14
       handler_name    : Apple Alias Data Handler
     Stream #0:8(eng): Data: none (tmcd / 0x64636D74) (default)
     Metadata:
       creation_time   : 2014-02-20 17:19:22
       handler_name    : Apple Alias Data Handler
       timecode        : 00:00:00:00
 [Parsed_amerge_0 @ 0402a8e0] No channel layout for input 1
 Output #0, wav, to 'foo.wav':
   Metadata:
     major_brand     : qt
     minor_version   : 537199360
     compatible_brands: qt
     ISFT            : Lavf55.36.100
     Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, 5.1,
 s16, 4608 kb/s (default)
 Stream mapping:
   Stream #0:1 (pcm_s24le) -> amerge:in0
   Stream #0:2 (pcm_s24le) -> amerge:in1
   Stream #0:3 (pcm_s24le) -> amerge:in2
   Stream #0:4 (pcm_s24le) -> amerge:in3
   Stream #0:5 (pcm_s24le) -> amerge:in4
   Stream #0:6 (pcm_s24le) -> amerge:in5
   amerge -> Stream #0:0 (pcm_s16le)
 Press [q] to stop, [?] for help
 Error while decoding stream #0:1: Error number -12 occurred
     Last message repeated 14 times
 Error while decoding stream #0:2: Error number -12 occurred
     Last message repeated 14 times
 Error while decoding stream #0:3: Error number -12 occurred
     Last message repeated 14 times

         LOTS OF THESE ERRORS DELETED....

 size=   56640kB time=00:02:04.80 bitrate=3717.7kbits/s
 video:0kB audio:56640kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: 0.000176%

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3510>
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