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FFMPEG-PHP on Windows (not Linux as prev question) error Unknown encoder 'libfaac'
19 novembre 2020, par JonathanI am doing this on a Windows server and is not already answered as per the other question on here on a Linux server.


Im using FFMPEG on a project handling video uploads and I keep getting an issue with Videos with AAC audio encoding.


I tried using aac and other aac encoders, but the windows version of FFMPEG says unknown encoders. I tried without setting an AudioCode so it might convert to native. But still the same.


Please see the log output below :


<pre>object(FFMpeg\Exception\RuntimeException)#35 (7) {
 ["message":protected]=>
 string(15) "Encoding failed"
 ["string":"Exception":private]=>
 string(0) ""
 ["code":protected]=>
 int(0)
 ["file":protected]=>
 string(108) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\php-ffmpeg\php-ffmpeg\src\FFMpeg\Media\AbstractVideo.php"
 ["line":protected]=>
 int(106)
 ["trace":"Exception":private]=>
 array(1) {
 [0]=>
 array(5) {
 ["file"]=>
 string(45) "C:\inetpub\wwwroot\dev\ffmpeg-lib\process.php"
 ["line"]=>
 int(35)
 ["function"]=>
 string(4) "save"
 ["class"]=>
 string(26) "FFMpeg\Media\AbstractVideo"
 ["type"]=>
 string(2) "->"
 }
 }
 ["previous":"Exception":private]=>
 object(Alchemy\BinaryDriver\Exception\ExecutionFailureException)#43 (9) {
 ["command":protected]=>
 string(397) "C:\ffmpeg\bin\ffmpeg.exe -y -ss 00:00:17.00 -i "temp/temp_20201110-100656_1080p-220mb.mp4" -t 00:00:52.00 -threads 12 -vcodec libx264 -acodec libfaac -b:v 1000k -refs 6 -coder 1 -sc_threshold 40 -flags +loop -me_range 16 -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -trellis 1 -b:a 128k -pass 1 -passlogfile "W:/TempIIS\ffmpeg-passes5fabd88bb6b0912dmm/pass-5fabd88bb6c3b" "temp/20201111-122651.mp4""
 ["errorOutput":protected]=>
 string(2301) "ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.2.1 (GCC) 20200805
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 58.100 / 56. 58.100
 libavcodec 58.101.101 / 58.101.101
 libavformat 58. 51.101 / 58. 51.101
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp/temp_20201110-100656_1080p-220mb.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 19529854
 compatible_brands: mp42isom
 creation_time : 2016-04-11T06:32:53.000000Z
 Duration: 00:02:25.98, start: 0.000000, bitrate: 13772 kb/s
 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Sound Media Handler
 Stream #0:1(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 13639 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Video Media Handler
 encoder : AVC Coding
Unknown encoder 'libfaac'
"
 ["message":protected]=>
 string(2750) "ffmpeg failed to execute command C:\ffmpeg\bin\ffmpeg.exe -y -ss 00:00:17.00 -i "temp/temp_20201110-100656_1080p-220mb.mp4" -t 00:00:52.00 -threads 12 -vcodec libx264 -acodec libfaac -b:v 1000k -refs 6 -coder 1 -sc_threshold 40 -flags +loop -me_range 16 -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -trellis 1 -b:a 128k -pass 1 -passlogfile "W:/TempIIS\ffmpeg-passes5fabd88bb6b0912dmm/pass-5fabd88bb6c3b" "temp/20201111-122651.mp4":

Error Output:

 ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.2.1 (GCC) 20200805
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 58.100 / 56. 58.100
 libavcodec 58.101.101 / 58.101.101
 libavformat 58. 51.101 / 58. 51.101
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp/temp_20201110-100656_1080p-220mb.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 19529854
 compatible_brands: mp42isom
 creation_time : 2016-04-11T06:32:53.000000Z
 Duration: 00:02:25.98, start: 0.000000, bitrate: 13772 kb/s
 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Sound Media Handler
 Stream #0:1(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 13639 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Video Media Handler
 encoder : AVC Coding
Unknown encoder 'libfaac'
"
 ["string":"Exception":private]=>
 string(0) ""
 ["code":protected]=>
 int(0)
 ["file":protected]=>
 string(116) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\alchemy\binary-driver\src\Alchemy\BinaryDriver\ProcessRunner.php"
 ["line":protected]=>
 int(95)
 ["trace":"Exception":private]=>
 array(5) {
 [0]=>
 array(5) {
 ["file"]=>
 string(116) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\alchemy\binary-driver\src\Alchemy\BinaryDriver\ProcessRunner.php"
 ["line"]=>
 int(73)
 ["function"]=>
 string(18) "doExecutionFailure"
 ["class"]=>
 string(34) "Alchemy\BinaryDriver\ProcessRunner"
 ["type"]=>
 string(2) "->"
 }
 [1]=>
 array(5) {
 ["file"]=>
 string(117) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\alchemy\binary-driver\src\Alchemy\BinaryDriver\AbstractBinary.php"
 ["line"]=>
 int(207)
 ["function"]=>
 string(3) "run"
 ["class"]=>
 string(34) "Alchemy\BinaryDriver\ProcessRunner"
 ["type"]=>
 string(2) "->"
 }
 [2]=>
 array(5) {
 ["file"]=>
 string(117) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\alchemy\binary-driver\src\Alchemy\BinaryDriver\AbstractBinary.php"
 ["line"]=>
 int(136)
 ["function"]=>
 string(3) "run"
 ["class"]=>
 string(35) "Alchemy\BinaryDriver\AbstractBinary"
 ["type"]=>
 string(2) "->"
 }
 [3]=>
 array(5) {
 ["file"]=>
 string(108) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\php-ffmpeg\php-ffmpeg\src\FFMpeg\Media\AbstractVideo.php"
 ["line"]=>
 int(96)
 ["function"]=>
 string(7) "command"
 ["class"]=>
 string(35) "Alchemy\BinaryDriver\AbstractBinary"
 ["type"]=>
 string(2) "->"
 }
 [4]=>
 array(5) {
 ["file"]=>
 string(45) "C:\inetpub\wwwroot\dev\ffmpeg-lib\process.php"
 ["line"]=>
 int(35)
 ["function"]=>
 string(4) "save"
 ["class"]=>
 string(26) "FFMpeg\Media\AbstractVideo"
 ["type"]=>
 string(2) "->"
 }
 }
 ["previous":"Exception":private]=>
 NULL
 }
}
</pre>

Output of ffmpeg -encoders


V..... a64multi Multicolor charset for Commodore 64 (codec a64_multi)
 V..... a64multi5 Multicolor charset for Commodore 64, extended with 5th color (colram) (codec a64_multi5)
 V..... alias_pix Alias/Wavefront PIX image
 V..... amv AMV Video
 V..... apng APNG (Animated Portable Network Graphics) image
 V..... asv1 ASUS V1
 V..... asv2 ASUS V2
 V..... libaom-av1 libaom AV1 (codec av1)
 V..... librav1e librav1e AV1 (codec av1)
 V..... libsvtav1 SVT-AV1(Scalable Video Technology for AV1) encoder (codec av1)
 V..... avrp Avid 1:1 10-bit RGB Packer
 V..X.. avui Avid Meridien Uncompressed
 V..... ayuv Uncompressed packed MS 4:4:4:4
 V..... bmp BMP (Windows and OS/2 bitmap)
 VF.... cfhd GoPro CineForm HD
 V..... cinepak Cinepak
 V..... cljr Cirrus Logic AccuPak
 V.S... vc2 SMPTE VC-2 (codec dirac)
 VFS... dnxhd VC3/DNxHD
 V..... dpx DPX (Digital Picture Exchange) image
 VFS... dvvideo DV (Digital Video)
 V.S... ffv1 FFmpeg video codec #1
 VF.... ffvhuff Huffyuv FFmpeg variant
 V..... fits Flexible Image Transport System
 V..... flashsv Flash Screen Video
 V..... flashsv2 Flash Screen Video Version 2
 V..... flv FLV / Sorenson Spark / Sorenson H.263 (Flash Video) (codec flv1)
 V..... gif GIF (Graphics Interchange Format)
 V..... h261 H.261
 V..... h263 H.263 / H.263-1996
 V.S... h263p H.263+ / H.263-1998 / H.263 version 2
 V..... libx264 libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (codec h264)
 V..... libx264rgb libx264 H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 RGB (codec h264)
 V..... h264_amf AMD AMF H.264 Encoder (codec h264)
 V..... h264_mf H264 via MediaFoundation (codec h264)
 V..... h264_nvenc NVIDIA NVENC H.264 encoder (codec h264)
 V..... h264_qsv H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (Intel Quick Sync Video acceleration) (codec h264)
 V..... nvenc NVIDIA NVENC H.264 encoder (codec h264)
 V..... nvenc_h264 NVIDIA NVENC H.264 encoder (codec h264)
 V..... hap Vidvox Hap
 V..... libx265 libx265 H.265 / HEVC (codec hevc)
 V..... nvenc_hevc NVIDIA NVENC hevc encoder (codec hevc)
 V..... hevc_amf AMD AMF HEVC encoder (codec hevc)
 V..... hevc_mf HEVC via MediaFoundation (codec hevc)
 V..... hevc_nvenc NVIDIA NVENC hevc encoder (codec hevc)
 V..... hevc_qsv HEVC (Intel Quick Sync Video acceleration) (codec hevc)
 VF.... huffyuv Huffyuv / HuffYUV
 V..... jpeg2000 JPEG 2000
 VF.... libopenjpeg OpenJPEG JPEG 2000 (codec jpeg2000)
 VF.... jpegls JPEG-LS
 VF.... ljpeg Lossless JPEG
 VF.... magicyuv MagicYUV video
 VFS... mjpeg MJPEG (Motion JPEG)
 V..... mjpeg_qsv MJPEG (Intel Quick Sync Video acceleration) (codec mjpeg)
 V.S... mpeg1video MPEG-1 video
 V.S... mpeg2video MPEG-2 video
 V..... mpeg2_qsv MPEG-2 video (Intel Quick Sync Video acceleration) (codec mpeg2video)
 V.S... mpeg4 MPEG-4 part 2
 V..... libxvid libxvidcore MPEG-4 part 2 (codec mpeg4)
 V..... msmpeg4v2 MPEG-4 part 2 Microsoft variant version 2
 V..... msmpeg4 MPEG-4 part 2 Microsoft variant version 3 (codec msmpeg4v3)
 V..... msvideo1 Microsoft Video-1
 V..... pam PAM (Portable AnyMap) image
 V..... pbm PBM (Portable BitMap) image
 V..... pcx PC Paintbrush PCX image
 V..... pgm PGM (Portable GrayMap) image
 V..... pgmyuv PGMYUV (Portable GrayMap YUV) image
 VF.... png PNG (Portable Network Graphics) image
 V..... ppm PPM (Portable PixelMap) image
 VF.... prores Apple ProRes
 VF.... prores_aw Apple ProRes (codec prores)
 VFS... prores_ks Apple ProRes (iCodec Pro) (codec prores)
 V..... qtrle QuickTime Animation (RLE) video
 V..... r10k AJA Kona 10-bit RGB Codec
 V..... r210 Uncompressed RGB 10-bit
 V..... rawvideo raw video
 V..... roqvideo id RoQ video (codec roq)
 V..... rpza QuickTime video (RPZA)
 V..... rv10 RealVideo 1.0
 V..... rv20 RealVideo 2.0
 V..... sgi SGI image
 V..... snow Snow
 V..... sunrast Sun Rasterfile image
 V..... svq1 Sorenson Vector Quantizer 1 / Sorenson Video 1 / SVQ1
 V..... targa Truevision Targa image
 V..... libtheora libtheora Theora (codec theora)
 VF.... tiff TIFF image
 VF.... utvideo Ut Video
 V..... v210 Uncompressed 4:2:2 10-bit
 V..... v308 Uncompressed packed 4:4:4
 V..... v408 Uncompressed packed QT 4:4:4:4
 V..... v410 Uncompressed 4:4:4 10-bit
 V..... libvpx libvpx VP8 (codec vp8)
 V..... libvpx-vp9 libvpx VP9 (codec vp9)
 V..... vp9_qsv VP9 video (Intel Quick Sync Video acceleration) (codec vp9)
 V..... libwebp_anim libwebp WebP image (codec webp)
 V..... libwebp libwebp WebP image (codec webp)
 V..... wmv1 Windows Media Video 7
 V..... wmv2 Windows Media Video 8
 V..... wrapped_avframe AVFrame to AVPacket passthrough
 V..... xbm XBM (X BitMap) image
 V..... xface X-face image
 V..... xwd XWD (X Window Dump) image
 V..... y41p Uncompressed YUV 4:1:1 12-bit
 V..... yuv4 Uncompressed packed 4:2:0
 VF.... zlib LCL (LossLess Codec Library) ZLIB
 V..... zmbv Zip Motion Blocks Video
 A..... aac AAC (Advanced Audio Coding)
 A..... aac_mf AAC via MediaFoundation (codec aac)
 A..... ac3 ATSC A/52A (AC-3)
 A..... ac3_fixed ATSC A/52A (AC-3) (codec ac3)
 A..... ac3_mf AC3 via MediaFoundation (codec ac3)
 A..... adpcm_adx SEGA CRI ADX ADPCM
 A..... adpcm_argo ADPCM Argonaut Games
 A..... g722 G.722 ADPCM (codec adpcm_g722)
 A..... g726 G.726 ADPCM (codec adpcm_g726)
 A..... g726le G.726 little endian ADPCM ("right-justified") (codec adpcm_g726le)
 A..... adpcm_ima_apm ADPCM IMA Ubisoft APM
 A..... adpcm_ima_qt ADPCM IMA QuickTime
 A..... adpcm_ima_ssi ADPCM IMA Simon & Schuster Interactive
 A..... adpcm_ima_wav ADPCM IMA WAV
 A..... adpcm_ms ADPCM Microsoft
 A..... adpcm_swf ADPCM Shockwave Flash
 A..... adpcm_yamaha ADPCM Yamaha
 A..... alac ALAC (Apple Lossless Audio Codec)
 A..... libopencore_amrnb OpenCORE AMR-NB (Adaptive Multi-Rate Narrow-Band) (codec amr_nb)
 A..... libvo_amrwbenc Android VisualOn AMR-WB (Adaptive Multi-Rate Wide-Band) (codec amr_wb)
 A..... aptx aptX (Audio Processing Technology for Bluetooth)
 A..... aptx_hd aptX HD (Audio Processing Technology for Bluetooth)
 A..... comfortnoise RFC 3389 comfort noise generator
 A..X.. dca DCA (DTS Coherent Acoustics) (codec dts)
 A..... eac3 ATSC A/52 E-AC-3
 A..... flac FLAC (Free Lossless Audio Codec)
 A..... g723_1 G.723.1
 A..... libgsm libgsm GSM (codec gsm)
 A..... libgsm_ms libgsm GSM Microsoft variant (codec gsm_ms)
 A..X.. mlp MLP (Meridian Lossless Packing)
 A..... mp2 MP2 (MPEG audio layer 2)
 A..... mp2fixed MP2 fixed point (MPEG audio layer 2) (codec mp2)
 A..... libtwolame libtwolame MP2 (MPEG audio layer 2) (codec mp2)
 A..... libmp3lame libmp3lame MP3 (MPEG audio layer 3) (codec mp3)
 A..... libshine libshine MP3 (MPEG audio layer 3) (codec mp3)
 A..... mp3_mf MP3 via MediaFoundation (codec mp3)
 A..... nellymoser Nellymoser Asao
 A..X.. opus Opus
 A..... libopus libopus Opus (codec opus)
 A..... pcm_alaw PCM A-law / G.711 A-law
 A..... pcm_dvd PCM signed 16|20|24-bit big-endian for DVD media
 A..... pcm_f32be PCM 32-bit floating point big-endian
 A..... pcm_f32le PCM 32-bit floating point little-endian
 A..... pcm_f64be PCM 64-bit floating point big-endian
 A..... pcm_f64le PCM 64-bit floating point little-endian
 A..... pcm_mulaw PCM mu-law / G.711 mu-law
 A..... pcm_s16be PCM signed 16-bit big-endian
 A..... pcm_s16be_planar PCM signed 16-bit big-endian planar
 A..... pcm_s16le PCM signed 16-bit little-endian
 A..... pcm_s16le_planar PCM signed 16-bit little-endian planar
 A..... pcm_s24be PCM signed 24-bit big-endian
 A..... pcm_s24daud PCM D-Cinema audio signed 24-bit
 A..... pcm_s24le PCM signed 24-bit little-endian
 A..... pcm_s24le_planar PCM signed 24-bit little-endian planar
 A..... pcm_s32be PCM signed 32-bit big-endian
 A..... pcm_s32le PCM signed 32-bit little-endian
 A..... pcm_s32le_planar PCM signed 32-bit little-endian planar
 A..... pcm_s64be PCM signed 64-bit big-endian
 A..... pcm_s64le PCM signed 64-bit little-endian
 A..... pcm_s8 PCM signed 8-bit
 A..... pcm_s8_planar PCM signed 8-bit planar
 A..... pcm_u16be PCM unsigned 16-bit big-endian
 A..... pcm_u16le PCM unsigned 16-bit little-endian
 A..... pcm_u24be PCM unsigned 24-bit big-endian
 A..... pcm_u24le PCM unsigned 24-bit little-endian
 A..... pcm_u32be PCM unsigned 32-bit big-endian
 A..... pcm_u32le PCM unsigned 32-bit little-endian
 A..... pcm_u8 PCM unsigned 8-bit
 A..... pcm_vidc PCM Archimedes VIDC
 A..... real_144 RealAudio 1.0 (14.4K) (codec ra_144)
 A..... roq_dpcm id RoQ DPCM
 A..X.. s302m SMPTE 302M
 A..... sbc SBC (low-complexity subband codec)
 A..X.. sonic Sonic
 A..X.. sonicls Sonic lossless
 A..... libspeex libspeex Speex (codec speex)
 A..X.. truehd TrueHD
 A..... tta TTA (True Audio)
 A..X.. vorbis Vorbis
 A..... libvorbis libvorbis (codec vorbis)
 A..... wavpack WavPack
 A..... libwavpack (codec wavpack)
 A..... wmav1 Windows Media Audio 1
 A..... wmav2 Windows Media Audio 2
 S..... ssa ASS (Advanced SubStation Alpha) subtitle (codec ass)
 S..... ass ASS (Advanced SubStation Alpha) subtitle
 S..... dvbsub DVB subtitles (codec dvb_subtitle)
 S..... dvdsub DVD subtitles (codec dvd_subtitle)
 S..... mov_text 3GPP Timed Text subtitle
 S..... srt SubRip subtitle (codec subrip)
 S..... subrip SubRip subtitle
 S..... text Raw text subtitle
 S..... webvtt WebVTT subtitle
 S..... xsub DivX subtitles (XSUB)


Log output if i try using AAC encoder


<pre>object(FFMpeg\Exception\RuntimeException)#35 (7) {
 ["message":protected]=>
 string(15) "Encoding failed"
 ["string":"Exception":private]=>
 string(0) ""
 ["code":protected]=>
 int(0)
 ["file":protected]=>
 string(108) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\php-ffmpeg\php-ffmpeg\src\FFMpeg\Media\AbstractVideo.php"
 ["line":protected]=>
 int(106)
 ["trace":"Exception":private]=>
 array(1) {
 [0]=>
 array(5) {
 ["file"]=>
 string(45) "C:\inetpub\wwwroot\dev\ffmpeg-lib\process.php"
 ["line"]=>
 int(35)
 ["function"]=>
 string(4) "save"
 ["class"]=>
 string(26) "FFMpeg\Media\AbstractVideo"
 ["type"]=>
 string(2) "->"
 }
 }
 ["previous":"Exception":private]=>
 object(Alchemy\BinaryDriver\Exception\ExecutionFailureException)#43 (9) {
 ["command":protected]=>
 string(393) "C:\ffmpeg\bin\ffmpeg.exe -y -ss 00:00:17.00 -i "temp/temp_20201110-100656_1080p-220mb.mp4" -t 00:00:52.00 -threads 12 -vcodec libx264 -acodec aac -b:v 1000k -refs 6 -coder 1 -sc_threshold 40 -flags +loop -me_range 16 -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -trellis 1 -b:a 128k -pass 1 -passlogfile "W:/TempIIS\ffmpeg-passes5fabd8bdf3612uvd6b/pass-5fabd8bdf378b" "temp/20201111-122741.mp4""
 ["errorOutput":protected]=>
 string(830102) "ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.2.1 (GCC) 20200805
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 58.100 / 56. 58.100
 libavcodec 58.101.101 / 58.101.101
 libavformat 58. 51.101 / 58. 51.101
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp/temp_20201110-100656_1080p-220mb.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 19529854
 compatible_brands: mp42isom
 creation_time : 2016-04-11T06:32:53.000000Z
 Duration: 00:02:25.98, start: 0.000000, bitrate: 13772 kb/s
 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Sound Media Handler
 Stream #0:1(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 13639 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Video Media Handler
 encoder : AVC Coding
Stream mapping:
 Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:0 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[h264 @ 000001fc5a3dac80] Invalid NAL unit size (-360624822 > 108076).
[h264 @ 000001fc5a3dac80] Error splitting the input into NAL units.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] channel element 2.15 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[h264 @ 000001fc5a3be480] Invalid NAL unit size (1926587749 > 39711).
[h264 @ 000001fc5a3be480] Error splitting the input into NAL units.
[h264 @ 000001fc5a3e4540] Invalid NAL unit size (-1483385910 > 21666).
[h264 @ 000001fc5a3e4540] Error splitting the input into NAL units.
[h264 @ 000001fc5ad06500] Invalid NAL unit size (1060193647 > 41388).
[h264 @ 000001fc5ad06500] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad22e80] Invalid NAL unit size (1499431567 > 26513).
</pre>

-
FFMPEG-PHP Error "Sample rate index in program config element does not match the sample rate index configured by the container."
21 novembre 2020, par JonathanAm using FFMPEG installed on a Windows server. I have a PHP webpage that uploads and trims videos using FFMPEG, when I upload MP4's with AAC audio, especially videos over 100mb, I get the following errors in the log output below.


I was wondering if anyone could point me in the right direction to getting this resolved.


Log output of the error below :


<pre>object(FFMpeg\Exception\RuntimeException)#35 (7) {
 ["message":protected]=>
 string(15) "Encoding failed"
 ["string":"Exception":private]=>
 string(0) ""
 ["code":protected]=>
 int(0)
 ["file":protected]=>
 string(108) "C:\inetpub\wwwroot\dev\ffmpeg-lib\ffmpeg-php\vendor\php-ffmpeg\php-ffmpeg\src\FFMpeg\Media\AbstractVideo.php"
 ["line":protected]=>
 int(106)
 ["trace":"Exception":private]=>
 array(1) {
 [0]=>
 array(5) {
 ["file"]=>
 string(45) "C:\inetpub\wwwroot\dev\ffmpeg-lib\process.php"
 ["line"]=>
 int(35)
 ["function"]=>
 string(4) "save"
 ["class"]=>
 string(26) "FFMpeg\Media\AbstractVideo"
 ["type"]=>
 string(2) "->"
 }
 }
 ["previous":"Exception":private]=>
 object(Alchemy\BinaryDriver\Exception\ExecutionFailureException)#43 (9) {
 ["command":protected]=>
 string(393) "C:\ffmpeg\bin\ffmpeg.exe -y -ss 00:00:17.00 -i "temp/temp_20201110-100656_1080p-220mb.mp4" -t 00:00:52.00 -threads 12 -vcodec libx264 -acodec aac -b:v 1000k -refs 6 -coder 1 -sc_threshold 40 -flags +loop -me_range 16 -subq 7 -i_qfactor 0.71 -qcomp 0.6 -qdiff 4 -trellis 1 -b:a 128k -pass 1 -passlogfile "W:/TempIIS\ffmpeg-passes5fabd8bdf3612uvd6b/pass-5fabd8bdf378b" "temp/20201111-122741.mp4""
 ["errorOutput":protected]=>
 string(830102) "ffmpeg version git-2020-08-31-4a11a6f Copyright (c) 2000-2020 the FFmpeg developers
 built with gcc 10.2.1 (GCC) 20200805
 configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libgsm --enable-librav1e --enable-libsvtav1 --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
 libavutil 56. 58.100 / 56. 58.100
 libavcodec 58.101.101 / 58.101.101
 libavformat 58. 51.101 / 58. 51.101
 libavdevice 58. 11.101 / 58. 11.101
 libavfilter 7. 87.100 / 7. 87.100
 libswscale 5. 8.100 / 5. 8.100
 libswresample 3. 8.100 / 3. 8.100
 libpostproc 55. 8.100 / 55. 8.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'temp/temp_20201110-100656_1080p-220mb.mp4':
 Metadata:
 major_brand : mp42
 minor_version : 19529854
 compatible_brands: mp42isom
 creation_time : 2016-04-11T06:32:53.000000Z
 Duration: 00:02:25.98, start: 0.000000, bitrate: 13772 kb/s
 Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 128 kb/s (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Sound Media Handler
 Stream #0:1(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 13639 kb/s, 29.97 fps, 29.97 tbr, 30k tbn, 59.94 tbc (default)
 Metadata:
 creation_time : 2016-04-11T06:32:53.000000Z
 handler_name : Video Media Handler
 encoder : AVC Coding
Stream mapping:
 Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
 Stream #0:0 -> #0:1 (aac (native) -> aac (native))
Press [q] to stop, [?] for help
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[h264 @ 000001fc5a3dac80] Invalid NAL unit size (-360624822 > 108076).
[h264 @ 000001fc5a3dac80] Error splitting the input into NAL units.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] channel element 2.15 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[h264 @ 000001fc5a3be480] Invalid NAL unit size (1926587749 > 39711).
[h264 @ 000001fc5a3be480] Error splitting the input into NAL units.
[h264 @ 000001fc5a3e4540] Invalid NAL unit size (-1483385910 > 21666).
[h264 @ 000001fc5a3e4540] Error splitting the input into NAL units.
[h264 @ 000001fc5ad06500] Invalid NAL unit size (1060193647 > 41388).
[h264 @ 000001fc5ad06500] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad22e80] Invalid NAL unit size (1499431567 > 26513).
[h264 @ 000001fc5ad22e80] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3dac80] Invalid NAL unit size (-23485766 > 46738).
[h264 @ 000001fc5a3dac80] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3be480] Invalid NAL unit size (2023411154 > 21613).
[h264 @ 000001fc5a3be480] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3e4540] Invalid NAL unit size (519125029 > 48521).
[h264 @ 000001fc5a3e4540] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad06500] Invalid NAL unit size (-2099015076 > 25631).
[h264 @ 000001fc5ad06500] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad22e80] Invalid NAL unit size (-1081182476 > 46590).
[h264 @ 000001fc5ad22e80] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 2.0 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Multiple frames in a packet.
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[h264 @ 000001fc5a3dac80] Invalid NAL unit size (-2080403149 > 27914).
[h264 @ 000001fc5a3dac80] Error splitting the input into NAL units.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] channel element 3.9 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Reserved bit set.
[aac @ 000001fc5a9ce8c0] Prediction is not allowed in AAC-LC.
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 2.6 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Number of scalefactor bands in group (52) exceeds limit (49).
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 3.10 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 2.13 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 3.8 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Reserved bit set.
[aac @ 000001fc5a9ce8c0] Prediction is not allowed in AAC-LC.
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] channel element 3.9 is not allocated
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Number of bands (50) exceeds limit (49).
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
[aac @ 000001fc5a9ce8c0] Reserved bit set.
[aac @ 000001fc5a9ce8c0] Number of bands (17) exceeds limit (13).
Error while decoding stream #0:0: Invalid data found when processing input
[aac @ 000001fc5a9ce8c0] Sample rate index in program config element does not match the sample rate index configured by the container.
[aac @ 000001fc5a9ce8c0] Inconsistent channel configuration.
[aac @ 000001fc5a9ce8c0] get_buffer() failed
Error while decoding stream #0:0: Invalid argument
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3be480] Invalid NAL unit size (-296706614 > 48346).
[h264 @ 000001fc5a3be480] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5a3e4540] Invalid NAL unit size (-1419758286 > 23497).
[h264 @ 000001fc5a3e4540] Error splitting the input into NAL units.
Error while decoding stream #0:1: Invalid data found when processing input
[h264 @ 000001fc5ad06500] Invalid NAL unit size (86578229 > 53255).
[h264 @ 000001fc5ad06500] Error splitting the input into NAL units.
</pre>

-
FFMPEG - Multi Track, Multi Channel file to discrete mono files
26 novembre 2020, par vadeI have files which are multi track, and multi channel (ie, track 1 may be 5.1, track 2 may be stereo, track 3 may be stereo etc)


I am looking to output every channel from every track into its own 'unrolled' discrete mono file.


example media :


ffprobe version 4.3.1-0york0~18.04 Copyright (c) 2007-2020 the FFmpeg developers
 built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04)
 configuration: --prefix=/usr --extra-version='0york0~18.04' --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --arch=amd64 --enable-gpl --disable-stripping --enable-avresample --disable-filter=resample --enable-gnutls --enable-ladspa --enable-libaom --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libcodec2 --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libjack --enable-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librabbitmq --enable-librsvg --enable-librubberband --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-lv2 --enable-omx --enable-openal --enable-opencl --enable-opengl --enable-sdl2 --enable-libzimg --enable-pocketsphinx --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libx264 --enable-shared
 libavutil 56. 51.100 / 56. 51.100
 libavcodec 58. 91.100 / 58. 91.100
 libavformat 58. 45.100 / 58. 45.100
 libavdevice 58. 10.100 / 58. 10.100
 libavfilter 7. 85.100 / 7. 85.100
 libavresample 4. 0. 0 / 4. 0. 0
 libswscale 5. 7.100 / 5. 7.100
 libswresample 3. 7.100 / 3. 7.100
 libpostproc 55. 7.100 / 55. 7.100
[mxf @ 0x55d3e7fc2680] wrapping of stream 0 is unknown
[jpeg2000 @ 0x55d3e805ce00] End mismatch 1
 Last message repeated 1 times
Input #0, mxf, from 'redacted.mxf':
 Metadata:
 operational_pattern_ul: 060e2b34.04010101.0d010201.01010900
 modification_date: 2019-10-03T09:58:16.368000Z
 uid : f6267ae2-680e-4357-9b1d-c77c045d3cd7
 generation_uid : e7e6f5a1-6f15-4df5-aea8-a41f3ef535d6
 company_name : redacted
 product_name : redacted
 product_version : 11.6.1.5.301404
 product_uid : 84ae5ffc-4710-11dd-a6fe-0010c629ec73
 application_platform: 4KICR1
 material_package_umid: 0x060A2B340101010501010D2013000000BE3608F3135E48AD99E4340643E47F22
 timecode : 00:59:20:00
 Duration: 00:26:16.07, start: 0.000000, bitrate: 139194 kb/s
 Stream #0:0: Video: jpeg2000, yuv422p10le(progressive), 1920x1080, SAR 1:1 DAR 16:9, 23.98 tbr, 23.98 tbn, 23.98 tbc
 Metadata:
 file_package_umid: 0x060A2B340101010501010D201300000091A43E578B86490698045924FA9EECC5
 track_name : Picture
 Stream #0:1: Audio: pcm_s24le, 48000 Hz, 6 channels, s32 (24 bit), 6912 kb/s
 Metadata:
 file_package_umid: 0x060A2B340101010501010D201300000091A43E578B86490698045924FA9EECC5
 track_name : Sound
 Stream #0:2: Audio: pcm_s24le, 48000 Hz, 2 channels, s32 (24 bit), 2304 kb/s
 Metadata:
 file_package_umid: 0x060A2B340101010501010D201300000091A43E578B86490698045924FA9EECC5
 track_name : Sound
 Stream #0:3: Audio: pcm_s24le, 48000 Hz, 2 channels, s32 (24 bit), 2304 kb/s
 Metadata:
 file_package_umid: 0x060A2B340101010501010D201300000091A43E578B86490698045924FA9EECC5
 track_name : Sound
 Stream #0:4: Audio: pcm_s24le, 48000 Hz, 2 channels, s32 (24 bit), 2304 kb/s
 Metadata:
 file_package_umid: 0x060A2B340101010501010D201300000091A43E578B86490698045924FA9EECC5
 track_name : Sound
 Stream #0:5: Data: none
 Metadata:
 file_package_umid: 0x060A2B340101010501010D201300000091A43E578B86490698045924FA9EECC5
 track_name : Auxiliary Data
 data_type : vbi_vanc_smpte_436M
Unsupported codec with id 0 for input stream 5


These files are vendor qualified masters, and the track / channel combinations vary between vendors, so some might be stereo, 5.1, 7.1 order, some might be all discrete mono already, some might be discrete stereo, 5.1, and mono tracks. Its all a mix. So im looking for some general strategy that gracefully handles all channels from all tracks.


Now I have seen various strategies documented to handle discretizing audio via ffmpeg docs, but none of them seem to show how to target different channels from different tracks. Im sure its a
pebkacerror, but I'd love some guidance.

I have tried both a
map_channelapproach as well as a-filtercomplex channelsplitapproach.

ffmpeg -i redacted.mxf -ss 60 \
-map_channel 0.1.0 -t 10 track_1_0.wav \
-map_channel 0.1.1 -t 10 track_1_1.wav \
-map_channel 0.1.2 -t 10 track_1_2.wav \
-map_channel 0.1.3 -t 10 track_1_3.wav \
-map_channel 0.1.4 -t 10 track_1_4.wav \
-map_channel 0.1.5 -t 10 track_1_5.wav \
-map_channel 0.2.0 -t 10 track_2_0.wav \
-map_channel 0.2.1 -t 10 track_2_1.wav \
-map_channel 0.3.0 -t 10 track_3_0.wav \
-map_channel 0.3.1 -t 10 track_3_1.wav \
-map_channel 0.4.0 -t 10 track_4_0.wav \
-map_channel 0.4.1 -t 10 track_4_1.wav 


However, the output files are not all mono, some are marked as 5.1. I dont believe they are inheriting a sane / correct channel layout (mono) - but the output files that are marked 5.1 are nonsensical, as they are all sourced from stereo tracks. ie track_2_0.wav track_2_1.wav, track_3_0.wav, track_3_1.wav, track_4_0.wav, track_4_1.wav. Which seems odd. Track 1_0 from the above command outputs a sane media info :


File size : 938 KiB
Duration : 10s 0ms
Overall bit rate mode : Constant
Overall bit rate : 768 Kbps
Writing application : Lavf58.45.100

Audio
Format : PCM
Format settings : Little / Signed
Codec ID : 1
Duration : 10s 0ms
Bit rate mode : Constant
Bit rate : 768 Kbps
Channel(s) : 1 channel
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Stream size : 938 KiB (100%)



However the second and 3rd track have the wrong channel layout and an unexpected codec id :


Format : Wave
File size : 5.49 MiB
Duration : 10s 0ms
Overall bit rate mode : Constant
Overall bit rate : 4 608 Kbps
Writing application : Lavf58.45.100

Audio
Format : PCM
Format settings : Little / Signed
Codec ID : 00000001-0000-0010-8000-00AA00389B71
Duration : 10s 0ms
Bit rate mode : Constant
Bit rate : 4 608 Kbps
Channel(s) : 6 channels
Channel layout : L R C LFE Lb Rb
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Stream size : 5.49 MiB (100%)



Additionally re : map_channel, there are some docs that cast doubt that its the right approach :




Note that currently each output stream can only contain channels from a single input stream ; you can’t for example use "-map_channel" to pick multiple input audio channels contained in different streams (from the same or different files) and merge them into a single output stream. It is therefore not currently possible, for example, to turn two separate mono streams into a single stereo stream. However splitting a stereo stream into two single channel mono streams is possible.




Using filter complex, the docs/bug tracker have an example of discretizing 5.1 and marking mono. I can target the tracks I want, and get a valid filter chain as seen in debug log reporting, however I only get audio for the 1st track :


ffmpeg -y -v 40 -i redacted.mxf -ss 60 \
 -disposition:a default \
 -filter_complex \
 "[0:a:0]channelsplit=channel_layout=5.1[c1][c2][c3][c4][c5][c6],\
 [c1]aformat=channel_layouts=mono[c1],\
 [c2]aformat=channel_layouts=mono[c2],\
 [c3]aformat=channel_layouts=mono[c3],\
 [c4]aformat=channel_layouts=mono[c4],\
 [c5]aformat=channel_layouts=mono[c5],\
 [c6]aformat=channel_layouts=mono[c6],\
 [0:a:1]channelsplit=channel_layout=stereo[c7][c8],\
 [c7]aformat=channel_layouts=mono[c7],\
 [c8]aformat=channel_layouts=mono[c8],\
 [0:a:2]channelsplit=channel_layout=stereo[c9][c10],\
 [c9]aformat=channel_layouts=mono[c9],\
 [c10]aformat=channel_layouts=mono[c10],\
 [0:a:3]channelsplit=channel_layout=stereo[c11][c12],\
 [c11]aformat=channel_layouts=mono[c11],\
 [c12]aformat=channel_layouts=mono[c12]"\
 -map "[c1]" -t 10 1.wav\
 -map "[c2]" -t 10 2.wav\
 -map "[c3]" -t 10 3.wav\
 -map "[c4]" -t 10 4.wav\
 -map "[c5]" -t 10 5.wav\
 -map "[c6]" -t 10 6.wav\
 -map "[c7]" -t 10 7.wav\
 -map "[c8]" -t 10 8.wav\
 -map "[c9]" -t 10 9.wav\
 -map "[c10]" -t 10 10.wav\
 -map "[c11]" -t 10 11.wav\
 -map "[c12]" -t 10 12.wav


TL/DR ;


In short, how does one export every channel of every track as a discrete mono audio track (regardless of the channel layouts ?)


Thank you !


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