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Sur d’autres sites (14622)

  • Rematrix is needed between 10 channels and mono but there is not enough information to do it

    8 octobre 2017, par siriele

    I’ve been fighting for a number of days now trying to get FFmpeg working with combining several audio files at specific times into one file. So my idea was to generate silence up to the time i want to play a sound.Then merge the audio together with a filter. The below code works when I have five or less files, but seems to fall apart. What I’m trying

    ffmpeg \
    
    -i "tutorial_bass/C-maj/TutorialBassJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsWL.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassWL.wav" \
    
    -i "tutorial_drums/TutorialDrumsWL.wav" \
    
    -i "tutorial_drums/TutorialDrumsWU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassWU.wav" \
    
    -i "tutorial_drums/TutorialDrumsWU.wav" \
    
    -i "tutorial_drums/TutorialDrumsWD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassWD.wav" \
    
    -i "tutorial_drums/TutorialDrumsWD.wav" \
    
    -i "tutorial_drums/TutorialDrumsJL.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJL.wav" \
    
    -i "tutorial_drums/TutorialDrumsJL.wav" \
    
    -i "tutorial_drums/TutorialDrumsJR.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsJR.wav" \
    
    -i "tutorial_drums/TutorialDrumsJU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJU.wav" \
    
    -i "tutorial_drums/TutorialDrumsJU.wav" \
    
    -i "tutorial_drums/TutorialDrumsJD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassJD.wav" \
    
    -i "tutorial_drums/TutorialDrumsJD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTL.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTL.wav" \
    
    -i "tutorial_drums/TutorialDrumsTL.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTR.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTU.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -i "tutorial_bass/C-maj/TutorialBassTD.wav" \
    
    -i "tutorial_drums/TutorialDrumsTD.wav" \
    
    -filter_complex "\
    
    aevalsrc=0:d=3.0  [d0];\
    
    aevalsrc=0:d=3.0  [d1];\
    
    aevalsrc=0:d=4.5  [d2];\
    
    aevalsrc=0:d=4.5  [d3];\
    
    aevalsrc=0:d=4.5  [d4];\
    
    aevalsrc=0:d=6.0  [d5];\
    
    aevalsrc=0:d=6.0  [d6];\
    
    aevalsrc=0:d=6.0  [d7];\
    
    aevalsrc=0:d=7.5  [d8];\
    
    aevalsrc=0:d=7.5  [d9];\
    
    aevalsrc=0:d=7.5  [d10];\
    
    aevalsrc=0:d=9.0  [d11];\
    
    aevalsrc=0:d=9.0  [d12];\
    
    aevalsrc=0:d=9.0  [d13];\
    
    aevalsrc=0:d=10.5 [d14];\
    
    aevalsrc=0:d=10.5 [d15];\
    
    aevalsrc=0:d=10.5 [d16];\
    
    aevalsrc=0:d=12.0 [d17];\
    
    aevalsrc=0:d=12.0 [d18];\
    
    aevalsrc=0:d=12.0 [d19];\
    
    aevalsrc=0:d=13.5 [d20];\
    
    aevalsrc=0:d=13.5 [d21];\
    
    aevalsrc=0:d=13.5 [d22];\
    
    aevalsrc=0:d=15.0 [d23];\
    
    aevalsrc=0:d=15.0 [d24];\
    
    aevalsrc=0:d=15.0 [d25];\
    
    aevalsrc=0:d=16.5 [d26];\
    
    aevalsrc=0:d=16.5 [d27];\
    
    aevalsrc=0:d=16.5 [d28];\
    
    aevalsrc=0:d=18.0 [d29];\
    
    aevalsrc=0:d=18.0 [d30];\
    
    aevalsrc=0:d=18.0 [d31];\
    
    aevalsrc=0:d=19.5 [d32];\
    
    aevalsrc=0:d=19.5 [d33];\
    
    aevalsrc=0:d=19.5 [d34];\
    
    aevalsrc=0:d=21.0 [d35];\
    
    aevalsrc=0:d=21.0 [d36];\
    
    aevalsrc=0:d=21.0 [d37];\
    
    aevalsrc=0:d=22.5 [d38];\
    
    aevalsrc=0:d=22.5 [d39];\
    
    aevalsrc=0:d=22.5 [d40];\
    
    aevalsrc=0:d=24.0 [d41];\
    
    aevalsrc=0:d=24.0 [d42];\
    
    aevalsrc=0:d=24.0 [d43];\
    
    [d0][0:a]concat=n=2:v=0:a=1   [a0];\
    
    [d1][1:a]concat=n=2:v=0:a=1   [a1];\
    
    [d2][2:a]concat=n=2:v=0:a=1   [a2];\
    
    [d3][3:a]concat=n=2:v=0:a=1   [a3];\
    
    [d4][4:a]concat=n=2:v=0:a=1   [a4];\
    
    [d5][5:a]concat=n=2:v=0:a=1   [a5];\
    
    [d6][6:a]concat=n=2:v=0:a=1   [a6];\
    
    [d7][7:a]concat=n=2:v=0:a=1   [a7];\
    
    [d8][8:a]concat=n=2:v=0:a=1   [a8];\
    
    [d9][9:a]concat=n=2:v=0:a=1   [a9];\
    
    [d10][10:a]concat=n=2:v=0:a=1 [a10];\
    
    [d11][11:a]concat=n=2:v=0:a=1 [a11];\
    
    [d12][12:a]concat=n=2:v=0:a=1 [a12];\
    
    [d13][13:a]concat=n=2:v=0:a=1 [a13];\
    
    [d14][14:a]concat=n=2:v=0:a=1 [a14];\
    
    [d15][15:a]concat=n=2:v=0:a=1 [a15];\
    
    [d16][16:a]concat=n=2:v=0:a=1 [a16];\
    
    [d17][17:a]concat=n=2:v=0:a=1 [a17];\
    
    [d18][18:a]concat=n=2:v=0:a=1 [a18];\
    
    [d19][19:a]concat=n=2:v=0:a=1 [a19];\
    
    [d20][20:a]concat=n=2:v=0:a=1 [a20];\
    
    [d21][21:a]concat=n=2:v=0:a=1 [a21];\
    
    [d22][22:a]concat=n=2:v=0:a=1 [a22];\
    
    [d23][23:a]concat=n=2:v=0:a=1 [a23];\
    
    [d24][24:a]concat=n=2:v=0:a=1 [a24];\
    
    [d25][25:a]concat=n=2:v=0:a=1 [a25];\
    
    [d26][26:a]concat=n=2:v=0:a=1 [a26];\
    
    [d27][27:a]concat=n=2:v=0:a=1 [a27];\
    
    [d28][28:a]concat=n=2:v=0:a=1 [a28];\
    
    [d29][29:a]concat=n=2:v=0:a=1 [a29];\
    
    [d30][30:a]concat=n=2:v=0:a=1 [a30];\
    
    [d31][31:a]concat=n=2:v=0:a=1 [a31];\
    
    [d32][32:a]concat=n=2:v=0:a=1 [a32];\
    
    [d33][33:a]concat=n=2:v=0:a=1 [a33];\
    
    [d34][34:a]concat=n=2:v=0:a=1 [a34];\
    
    [d35][35:a]concat=n=2:v=0:a=1 [a35];\
    
    [d36][36:a]concat=n=2:v=0:a=1 [a36];\
    
    [d37][37:a]concat=n=2:v=0:a=1 [a37];\
    
    [d38][38:a]concat=n=2:v=0:a=1 [a38];\
    
    [d39][39:a]concat=n=2:v=0:a=1 [a39];\
    
    [d40][40:a]concat=n=2:v=0:a=1 [a40];\
    
    [d41][41:a]concat=n=2:v=0:a=1 [a41];\
    
    [d42][42:a]concat=n=2:v=0:a=1 [a42];\
    
    [d43][43:a]concat=n=2:v=0:a=1 [a43];\
    
    [a0][a1][a2][a3][a4][a5][a6][a7][a8][a9][a10][a11][a12][a13][a14][a15][a16][a17][a18][a19]amix=inputs=20:duration=longest [a0-a19];\
    
    [a20][a21][a22][a23][a24][a25][a26][a27][a28][a29][a30][a31][a32][a33][a34][a35][a36][a37][a38][a39]amix=inputs=20:duration=longest [a20-a39];\
    
    [a40][a41][a42][a43]amix=inputs=4:duration=longest [a40-a43];
    
    [a0-a19][a20-a39][a40-a43]amix=inputs=3:duration=longest"  -codec:a libmp3lame output.mp3

    When I run this command I get :

    ffmpeg version 3.3.4 Copyright (c) 2000-2017 the FFmpeg developers
    
  built with Apple LLVM version 8.1.0 (clang-802.0.42)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3.4 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-ffplay --enable-frei0r --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma --enable-libopenjpeg --disable-decoder=jpeg2000 --extra-cflags=-I/usr/local/Cellar/openjpeg/2.2.0/include/openjpeg-2.2 --enable-nonfree --enable-vda
    
  libavutil      55. 58.100 / 55. 58.100
    
  libavcodec     57. 89.100 / 57. 89.100
    
  libavformat    57. 71.100 / 57. 71.100
    
  libavdevice    57.  6.100 / 57.  6.100
    
  libavfilter     6. 82.100 /  6. 82.100
    
  libavresample   3.  5.  0 /  3.  5.  0
    
  libswscale      4.  6.100 /  4.  6.100
    
  libswresample   2.  7.100 /  2.  7.100
    
  libpostproc    54.  5.100 / 54.  5.100
    
Guessed Channel Layout for Input Stream #0.0 : stereo
    
Input #0, wav, from 'tutorial_bass/C-maj/TutorialBassJR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #0:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #1.0 : stereo
    
Input #1, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #1:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #2.0 : stereo
    
Input #2, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #2:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #3.0 : stereo
    
Input #3, wav, from 'tutorial_bass/C-maj/TutorialBassTU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #3:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #4.0 : stereo
    
Input #4, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #4:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #5, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #5:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
Guessed Channel Layout for Input Stream #6.0 : stereo
    
Input #6, wav, from 'tutorial_bass/C-maj/TutorialBassTD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #6:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #7, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #7:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
Guessed Channel Layout for Input Stream #8.0 : stereo
    
Input #8, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #8:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #9.0 : stereo
    
Input #9, wav, from 'tutorial_bass/C-maj/TutorialBassTR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #9:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #10.0 : stereo
    
Input #10, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #10:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #11.0 : stereo
    
Input #11, wav, from 'tutorial_drums/TutorialDrumsWL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #11:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #12.0 : stereo
    
Input #12, wav, from 'tutorial_bass/C-maj/TutorialBassWL.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #12:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #13.0 : stereo
    
Input #13, wav, from 'tutorial_drums/TutorialDrumsWL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #13:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #14.0 : stereo
    
Input #14, wav, from 'tutorial_drums/TutorialDrumsWU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #14:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #15.0 : stereo
    
Input #15, wav, from 'tutorial_bass/C-maj/TutorialBassWU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #15:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #16.0 : stereo
    
Input #16, wav, from 'tutorial_drums/TutorialDrumsWU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #16:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #17.0 : stereo
    
Input #17, wav, from 'tutorial_drums/TutorialDrumsWD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #17:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #18.0 : stereo
    
Input #18, wav, from 'tutorial_bass/C-maj/TutorialBassWD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #18:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #19.0 : stereo
    
Input #19, wav, from 'tutorial_drums/TutorialDrumsWD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #19:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #20.0 : stereo
    
Input #20, wav, from 'tutorial_drums/TutorialDrumsJL.wav':
    
  Duration: 00:00:00.75, bitrate: 33869 kb/s
    
    Stream #20:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #21.0 : stereo
    
Input #21, wav, from 'tutorial_bass/C-maj/TutorialBassJL.wav':
    
  Duration: 00:00:01.51, bitrate: 2822 kb/s
    
    Stream #21:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #22.0 : stereo
    
Input #22, wav, from 'tutorial_drums/TutorialDrumsJL.wav':
    
  Duration: 00:00:00.75, bitrate: 33869 kb/s
    
    Stream #22:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #23.0 : stereo
    
Input #23, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #23:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #24.0 : stereo
    
Input #24, wav, from 'tutorial_bass/C-maj/TutorialBassJR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #24:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #25.0 : stereo
    
Input #25, wav, from 'tutorial_drums/TutorialDrumsJR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #25:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #26.0 : stereo
    
Input #26, wav, from 'tutorial_drums/TutorialDrumsJU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #26:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #27.0 : stereo
    
Input #27, wav, from 'tutorial_bass/C-maj/TutorialBassJU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #27:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #28.0 : stereo
    
Input #28, wav, from 'tutorial_drums/TutorialDrumsJU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #28:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #29.0 : stereo
    
Input #29, wav, from 'tutorial_drums/TutorialDrumsJD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #29:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #30.0 : stereo
    
Input #30, wav, from 'tutorial_bass/C-maj/TutorialBassJD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #30:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #31.0 : stereo
    
Input #31, wav, from 'tutorial_drums/TutorialDrumsJD.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #31:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #32.0 : stereo
    
Input #32, wav, from 'tutorial_drums/TutorialDrumsTL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #32:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #33.0 : stereo
    
Input #33, wav, from 'tutorial_bass/C-maj/TutorialBassTL.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #33:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #34.0 : stereo
    
Input #34, wav, from 'tutorial_drums/TutorialDrumsTL.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #34:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #35.0 : stereo
    
Input #35, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #35:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #36.0 : stereo
    
Input #36, wav, from 'tutorial_bass/C-maj/TutorialBassTR.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #36:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #37.0 : stereo
    
Input #37, wav, from 'tutorial_drums/TutorialDrumsTR.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #37:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #38.0 : stereo
    
Input #38, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #38:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #39.0 : stereo
    
Input #39, wav, from 'tutorial_bass/C-maj/TutorialBassTU.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #39:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Guessed Channel Layout for Input Stream #40.0 : stereo
    
Input #40, wav, from 'tutorial_drums/TutorialDrumsTU.wav':
    
  Duration: 00:00:00.75, bitrate: 2822 kb/s
    
    Stream #40:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #41, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #41:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
Guessed Channel Layout for Input Stream #42.0 : stereo
    
Input #42, wav, from 'tutorial_bass/C-maj/TutorialBassTD.wav':
    
  Duration: 00:00:01.50, bitrate: 2822 kb/s
    
    Stream #42:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, stereo, flt, 2822 kb/s
    
Input #43, wav, from 'tutorial_drums/TutorialDrumsTD.wav':
    
  Duration: 00:00:04.50, bitrate: 14112 kb/s
    
    Stream #43:0: Audio: pcm_f32le ([3][0][0][0] / 0x0003), 44100 Hz, 10 channels, flt, 14112 kb/s
    
File 'output.mp3' already exists. Overwrite ? [y/N] y
    
Stream mapping:
    
  Stream #0:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #1:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #2:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #3:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #4:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #5:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #6:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #7:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #8:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #9:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #10:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #11:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #12:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #13:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #14:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #15:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #16:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #17:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #18:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #19:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #20:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #21:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #22:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #23:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #24:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #25:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #26:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #27:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #28:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #29:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #30:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #31:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #32:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #33:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #34:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #35:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #36:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #37:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #38:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #39:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #40:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #41:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #42:0 (pcm_f32le) -> concat:in1:a0
    
  Stream #43:0 (pcm_f32le) -> concat:in1:a0
    
  amix -> Stream #0:0 (libmp3lame)
    
Press [q] to stop, [?] for help
    
[auto_resampler_5 @ 0x7fdc19641e00] [SWR @ 0x7fdc1c286e00] Rematrix is needed between 10 channels and mono but there is not enough information to do it
    
[auto_resampler_5 @ 0x7fdc19641e00] Failed to configure output pad on auto_resampler_5
    
Error reinitializing filters!
    
Failed to inject frame into filter network: Invalid argument
    
Error while processing the decoded data for stream #43:0
    
Conversion failed!

    Any ideas what I’m doing wrong or other approaches I could take to do this ?

  • Merge commit 'f44ec22e095c5ba00ffeadd891655c456e3dd014'

    28 septembre 2017, par James Almer
    Merge commit 'f44ec22e095c5ba00ffeadd891655c456e3dd014'

    * commit 'f44ec22e095c5ba00ffeadd891655c456e3dd014' :
    
  lavc : use av_cpu_max_align() instead of hardcoding alignment requirements
    

    This commit is a noop, see
    
https://ffmpeg.org/pipermail/ffmpeg-devel/2017-September/215834.html
    

    Merged-by : James Almer <jamrial@gmail.com>

  • ffmpeg : StreamNotFound error

    27 janvier 2017, par KMG

    I’m using Adobe Media server and push streams to this server using FMLE.

    My stream name : appvideo

    When I tried to pull the video from the server using ffmpeg/ffplay, I’m not getting "stream not found error". Whereas rtmpdump can stream the video.

    After I see the logs, all the ffmpeg request logs have a stream name with extension .flv like [appvideo.flv]. But rtmpdump not append this extension [ like appvideo].

    FFMpeg/ffplay log in Media server :

    play    stream  2017-01-27  02:26:17    GMT appvideo    10.11.12.202    32715   11  17  _defaultRoot_   _defaultVHost_  live    _definst_   0   404 183.82.250.50   rtmp    -   rtmp://10.11.12.202:443/live    rtmp://10.11.12.202:443/live    -   --  4702122229742256497 3135    3631    normal  appvideo    -   -   rtmp://10.11.12.202:443/live/appvideo.flv   rtmp://10.11.12.202:443/live/appvideo.flv   -   flv 0   0.000000    0   -   0   0   -   -   -   -   1   -   --  -   -   -   -   -   -   -1  -1.000000   -

    Not sure why request append .flv extension at last like this : rtmp ://10.11.12.202:443/live/appvideo.flv

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