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• Volume adjust and channel merge on video using FFMPEG

  6 novembre 2015, par user1566352

  I’m trying to convert a recorded AVI (1 video stream, 2 audio streams[1st is stereo, 2nd is mono]) video file to H264/AAC.

  I want the second audio stream to be at 60% volume and the first at 100%.

  I also want to merge the first and second audio stream.

  Output should be H264 with AAC audio.

  The command I tried to use is :

  "ffmpeg.exe" 
  
    -i "input.avi" 
  
    -filter_complex " 
  
      [0:a:0]aformat=channel_layouts=stereo,volume=1.0[a1]; 
  
      [0:a:1]aformat=channel_layouts=mono,volume=0.6[a2]; 
  
      [a1][a2]amerge,pan=stereo|c0code>

  But I get the error :
  [AVFilterGraph @ 0000000ceb630c00] The following filters could not choose their formats : Parsed_amerge_4
  Consider inserting the (a)format filter near their input or output.
  Error configuring complex filters.
  Error number -5 occurred

  What am I doing wrong and how can it be fixed ?

  Complete Console Log :

  ffmpeg version N-76456-g6df2c94 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 5.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-lzma --enable-decklink --enable-zlib
  
    libavutil      55.  5.100 / 55.  5.100
  
    libavcodec     57. 14.100 / 57. 14.100
  
    libavformat    57. 14.100 / 57. 14.100
  
    libavdevice    57.  0.100 / 57.  0.100
  
    libavfilter     6. 14.101 /  6. 14.101
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.100 /  2.  0.100
  
    libpostproc    54.  0.100 / 54.  0.100
  
  [avi @ 000000b1cfa6bc20] non-interleaved AVI
  
  Guessed Channel Layout for  Input Stream #0.1 : stereo
  
  Guessed Channel Layout for  Input Stream #0.2 : mono
  
  Input #0, avi, from 'input.avi':
  
    Metadata:
  
      encoder         : DxtoryCore ver2.0.0.122
  
      ISRC            : Video:Lagarith Lossless Codec Audio0:Lautsprecher (2- USB Audio CODEC ) Audio1:Mikrofon (2- USB Audio CODEC )
  
    Duration: 00:27:55.60, start: 0.000000, bitrate: 181780 kb/s
  
      Stream #0:0: Video: lagarith (LAGS / 0x5347414C), rgb24, 1920x1017, 179663 kb/s, 30 fps, 30 tbr, 30 tbn, 30 tbc
  
      Stream #0:1: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 2 channels, s16, 1411 kb/s
  
      Stream #0:2: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 1 channels, s16, 705 kb/s
  
  [Parsed_amerge_4 @ 000000b1cfaf3200] No channel layout for input 1
  
  Last message repeated 1 times
  
  [AVFilterGraph @ 000000b1cfa70c00] The following filters could not choose their formats: Parsed_amerge_4
  
  Consider inserting the (a)format filter near their input or output.
  
  Error configuring complex filters.
  
  Error number -5 occurred

• ffmpeg coverting mov to mp4 gives no output

  5 novembre 2015, par Marc Rasmussen

  I have the following code :

      var ffmpeg = require('fluent-ffmpeg');
  
          var proc = new ffmpeg({source: media.file.path, nolog: false})
  
              .withVideoCodec('libx264')
  
              .withVideoBitrate(800)
  
              .withAudioCodec('libvo_aacenc')
  
              .withAudioBitrate('128k')
  
              .withAudioChannels(2)
  
              .toFormat('mp4')
  
              .saveToFile(media.targetDir + media.getName() + '.' + '.mp4',
  
              function (retcode, error) {
  
                  console.log('file has been converted succesfully');
  
              });
  
      fs.chmodSync(media.targetDir, '755');

  This should (hopefully) convert an mov file to an mp4 file. However that is not the case. Instead it goes through the code without printing any error nor other console messages and just continue ?

  So my question is what have I done wrong ?

  I know it’s not alot to go for but I’ll be ready to answer any question you might have !

  Here is a picture of the proc variable after the code has been executed :

  

  Output of command

  I ran the following command :

  ffmpeg -i trim.F4A79C58-1141-412E-A713-2CF893F44055.MOV -c:v libx264 -vb 800k -c:a libfdk_aacenc -ab 128k -ac 2 test.mp4

  And got the following output :

      ffmpeg version N-76045-g97be5d4 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libdcadec --enable-libfreetype --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab
  
    libavutil      55.  4.100 / 55.  4.100
  
    libavcodec     57.  6.100 / 57.  6.100
  
    libavformat    57.  4.100 / 57.  4.100
  
    libavdevice    57.  0.100 / 57.  0.100
  
    libavfilter     6. 11.100 /  6. 11.100
  
    libavresample   3.  0.  0 /  3.  0.  0
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.100 /  2.  0.100
  
    libpostproc    54.  0.100 / 54.  0.100
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x3d494c0] moov atom not found
  
  trim.F4A79C58-1141-412E-A713-2CF893F44055.MOV: Invalid data found when processing input

  Attempted another file

  Here is the output for when i attempted another file (the other file might have been broken)

      ffmpeg version N-76045-g97be5d4 Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libdcadec --enable-libfreetype --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvo-aacenc --enable-libvidstab
  
    libavutil      55.  4.100 / 55.  4.100
  
    libavcodec     57.  6.100 / 57.  6.100
  
    libavformat    57.  4.100 / 57.  4.100
  
    libavdevice    57.  0.100 / 57.  0.100
  
    libavfilter     6. 11.100 /  6. 11.100
  
    libavresample   3.  0.  0 /  3.  0.  0
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.100 /  2.  0.100
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'test.MOV':
  
    Metadata:
  
      major_brand     : qt  
  
      minor_version   : 0
  
      compatible_brands: qt  
  
      creation_time   : 2015-11-04 15:28:54
  
    Duration: 00:00:02.21, start: 0.032948, bitrate: 751 kb/s
  
      Stream #0:0(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 91 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-11-04 15:28:54
  
        handler_name    : Core Media Data Handler
  
      Stream #0:1(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p(tv, smpte170m/bt709/bt709), 272x480, 647 kb/s, 24.04 fps, 24.08 tbr, 600 tbn, 1200 tbc (default)
  
      Metadata:
  
        creation_time   : 2015-11-04 15:28:54
  
        handler_name    : Core Media Data Handler
  
        encoder         : H.264
  
  [libx264 @ 0x356d660] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
  
  [libx264 @ 0x356d660] profile High, level 2.1
  
  [libx264 @ 0x356d660] 264 - core 142 r2491 24e4fed - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=24 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=abr mbtree=1 bitrate=800 ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  Output #0, mp4, to 'test.mp4':
  
    Metadata:
  
      major_brand     : qt  
  
      minor_version   : 0
  
      compatible_brands: qt  
  
      encoder         : Lavf57.4.100
  
      Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 272x480, q=-1--1, 800 kb/s, 24.08 fps, 18496 tbn, 24.08 tbc (default)
  
      Metadata:
  
        creation_time   : 2015-11-04 15:28:54
  
        handler_name    : Core Media Data Handler
  
        encoder         : Lavc57.6.100 libx264
  
      Stream #0:1(und): Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 44100 Hz, stereo, s16, 128 kb/s (default)
  
      Metadata:
  
        creation_time   : 2015-11-04 15:28:54
  
        handler_name    : Core Media Data Handler
  
        encoder         : Lavc57.6.100 libvo_aacenc
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (h264 (native) -> h264 (libx264))
  
    Stream #0:0 -> #0:1 (aac (native) -> aac (libvo_aacenc))
  
  Press [q] to stop, [?] for help
  
  frame=   54 fps=0.0 q=-1.0 Lsize=     226kB time=00:00:02.30 bitrate= 803.3kbits/s dup=1 drop=0    
  
  video:187kB audio:37kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.346419%
  
  [libx264 @ 0x356d660] frame I:1     Avg QP:18.97  size:  5651
  
  [libx264 @ 0x356d660] frame P:16    Avg QP:16.05  size:  6730
  
  [libx264 @ 0x356d660] frame B:37    Avg QP:17.38  size:  2086
  
  [libx264 @ 0x356d660] consecutive B-frames:  3.7% 11.1% 11.1% 74.1%
  
  [libx264 @ 0x356d660] mb I  I16..4: 18.0% 56.5% 25.5%
  
  [libx264 @ 0x356d660] mb P  I16..4:  3.5% 14.9%  5.9%  P16..4: 37.2% 26.1% 10.0%  0.0%  0.0%    skip: 2.5%
  
  [libx264 @ 0x356d660] mb B  I16..4:  0.5%  1.3%  0.5%  B16..8: 40.2%  8.6%  1.7%  direct:18.9%  skip:28.3%  L0:47.4% L1:36.9% BI:15.7%
  
  [libx264 @ 0x356d660] final ratefactor: 15.06
  
  [libx264 @ 0x356d660] 8x8 transform intra:60.0% inter:47.9%
  
  [libx264 @ 0x356d660] coded y,uvDC,uvAC intra: 86.0% 88.2% 37.7% inter: 33.7% 48.0% 2.6%
  
  [libx264 @ 0x356d660] i16 v,h,dc,p: 27% 10% 44% 19%
  
  [libx264 @ 0x356d660] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 14% 36%  4%  4%  6%  5%  5%  5%
  
  [libx264 @ 0x356d660] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 31% 16% 22%  5%  7%  8%  5%  5%  3%
  
  [libx264 @ 0x356d660] i8c dc,h,v,p: 50% 18% 25%  7%
  
  [libx264 @ 0x356d660] Weighted P-Frames: Y:6.2% UV:0.0%
  
  [libx264 @ 0x356d660] ref P L0: 66.8% 11.1% 14.9%  6.6%  0.6%
  
  [libx264 @ 0x356d660] ref B L0: 92.8%  6.0%  1.1%
  
  [libx264 @ 0x356d660] ref B L1: 97.6%  2.4%
  
  [libx264 @ 0x356d660] kb/s:679.79

• FFmpeg can't find AV_CODEC_ID_WMAV2

  17 novembre 2015, par chaoqi

  I want decode the wma type file use the FFmpeg,
  compiled it with options

  --enable-decoder=wmav1 --enable-decoder=wmav2, --enable-encoder=wmav1, --enable-encoder=wmav2 --enable-demuxer=xwma

  and the source code i use it like this :

          av_register_all();
  
          //avcodec_register_all();
  
  
  
          if ((ret = avformat_open_input(&fmt_ctx, src_filename, 0, 0)) < 0) {
  
              LOG("Could not open source file %s, ret:%d", src_filename, ret);
  
              return;
  
          }
  
  
  
          if ((ret = avformat_find_stream_info(fmt_ctx, 0)) < 0) {
  
              LOG("Could not find stream information---ret:%d", ret);
  
              return;
  
          }

  and avformat_find_stream_info fail with ret:-541478725

  and add ffmpeg -i <inputfile></inputfile> commandline log :

  D:\Downloads\ffmpeg-static\bin>ffmpeg.exe -i ring.wma
  
  ffmpeg version N-76684-g1fe82ab Copyright (c) 2000-2015 the FFmpeg developers
  
    built with gcc 5.2.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
  
  isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
  
  le-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --
  
  enable-libdcadec --enable-libfreetype --enable-libgme --enable-libgsm --enable-l
  
  ibilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enab
  
  le-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --en
  
  able-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --ena
  
  ble-libtwolame --enable-libvidstab --enable-libvo-aacenc --enable-libvo-amrwbenc
  
   --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enabl
  
  e-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --
  
  enable-lzma --enable-decklink --enable-zlib
  
    libavutil      55.  6.100 / 55.  6.100
  
    libavcodec     57. 15.100 / 57. 15.100
  
    libavformat    57. 14.100 / 57. 14.100
  
    libavdevice    57.  0.100 / 57.  0.100
  
    libavfilter     6. 15.100 /  6. 15.100
  
    libswscale      4.  0.100 /  4.  0.100
  
    libswresample   2.  0.101 /  2.  0.101
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Guessed Channel Layout for  Input Stream #0.0 : stereo
  
  Input #0, asf, from 'ring.wma':
  
    Metadata:
  
      WMFSDKNeeded    : 0.0.0.0000
  
      DeviceConformanceTemplate: L3
  
      WMFSDKVersion   : 11.0.6001.7001
  
      IsVBR           : 0
  
      PeakValue       : 18081
  
      AverageLevel    : 1915
  
    Duration: 00:00:07.80, start: 0.000000, bitrate: 206 kb/s
  
      Stream #0:0: Audio: wmav2 (a[1][0][0] / 0x0161), 44100 Hz, 2 channels, fltp,
  
   192 kb/s

  any tips ?

  And which option must be include when i want to decode a special type file ?

  thank you.