我已经战斗了几天，现在试图使ffmpeg在特定时间组合几个音频文件中工作。因此，我的想法是在我想播放声音的时候产生沉默，然后将音频与过滤器合并。当我有五个或更少的文件时，以下代码可以工作，但似乎崩溃了。我正在尝试什么
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
运行此命令时，我会得到：
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!
有什么想法我做错了什么或我可以采用的其他方法？
，所以我找到了解决问题的解决方案。我假设文件数量或某物的数量正在增加频道的数量。事实证明，混音中只有一个奇异的WAV文件，其中有10个单声道，而FFMPEG没有。打开大胆并删除所有其他渠道解决了问题。
以下是我应该注意的输入线
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