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    25 avril 2011, par

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    13 avril 2011, par

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  • ffmpeg complains about incorrect parameters

    20 novembre 2015, par Nik So

    Hi there I am trying to convert a wave file to mp3 with ffmpeg and I get the following error messages. Could anyone perhaps give me a hint as to what the potential problem might be ? thank you !

    FFmpeg version git-7ed4ff0, Copyright (c) 2000-2011 the FFmpeg developers
    
built on Oct 31 2015 08:02:55 with gcc 4.6.4
    
configuration: --prefix=/srv/current/stack --enable-gpl --enable-nonfree --enable-pthreads --enable-version3 --enable-x11grab --enable-avfilter --enable-libspeex --enable-librtmp --enable-libfaac --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-libvpx --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora --enable-libvorbis --enable-pic --enable-shared
    
libavutil 50. 37. 0 / 50. 37. 0
    
libavcore 0. 16. 1 / 0. 16. 1
    
libavcodec 52.112. 1 / 52.112. 1
    
libavformat 52. 99. 1 / 52. 99. 1
    
libavdevice 52. 2. 3 / 52. 2. 3
    
libavfilter 1. 75. 0 / 1. 75. 0
    
libswscale 0. 12. 0 / 0. 12. 0
    
[wav @ 0xaa8560] max_analyze_duration reached
    
Input #0, wav, from '/srv/shared/tmp/upload/upload_1747a42a8869bc9927a2e4a7d2f65368.WAV':
    
Duration: 00:01:03.06, bitrate: 3456 kb/s
    
Stream #0.0: Audio: pcm_s24le, 48000 Hz, 3 channels, s32, 3456 kb/s
    
Incompatible sample format 's32' for codec 'libmp3lame', auto-selecting format 's16'
    
Output #0, mp3, to '/srv/shared/tmp/scratch/05f12c018e4411e59e55c364c14dbce0':
    
Stream #0.0: Audio: libmp3lame, 44100 Hz, 3 channels, s16, 128 kb/s
    
Stream mapping:
    
Stream #0.0 -> #0.0
    
Error while opening encoder for output stream #0.0 - maybe incorrect parameters such as bit_rate, rate, width or height

    EDIT :
    Hi there, forgot to put the command that triggered the error, here it is :

    nice ffmpeg-v1.0.0  -i /srv/shared/tmp/upload/upload_dd34711f1164d4499bb0d4d36ae4462d.wav -acodec libmp3lame -ar 44100 -ab 128000 -f mp3 -vn /srv/shared/tmp/scratch/65e3ba218f1011e59350073ba02f8ea7

  • 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

  • Fade in and Fade out drawtext and drawbox ffmpeg

    18 novembre 2015, par LostPuppy

    I am using FFmpeg on Andriod and the following is the configuration :

    ffmpeg version 2.8.2 Copyright (c) 2000-2015 the FFmpeg developers
    
  built with Apple LLVM version 7.0.0 (clang-700.1.76)
    
  configuration: --prefix=/usr/local/Cellar/ffmpeg/2.8.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libvo-aacenc --enable-libxvid --enable-libfreetype --enable-libvorbis --enable-libvpx --enable-libass --enable-ffplay --enable-libfdk-aac --enable-libopus --enable-libquvi --enable-libx265 --enable-nonfree --enable-vda
    
  libavutil      54. 31.100 / 54. 31.100
    
  libavcodec     56. 60.100 / 56. 60.100
    
  libavformat    56. 40.101 / 56. 40.101
    
  libavdevice    56.  4.100 / 56.  4.100
    
  libavfilter     5. 40.101 /  5. 40.101
    
  libavresample   2.  1.  0 /  2.  1.  0
    
  libswscale      3.  1.101 /  3.  1.101
    
  libswresample   1.  2.101 /  1.  2.101
    
  libpostproc    53.  3.100 / 53.  3.100

    I am currently adding a text and background using the following command :

    ffmpeg -y -i input.mp4 -vf "drawbox=enable='between(t,2,6)':y=ih-ih/4:color=black@0.5:width=iw:height=56:t=max",\
    
"drawtext=enable='between(t,2,6)':fontfile=roboto.ttf:y=h-h/4+10:x=20:text='Test Heading':fontcolor=white:fontsize=16,drawtext=enable='between(t,2,6)':fontfile=roboto.ttf:y=h-h/4+30:x=20:text='Test sub heading':fontcolor=white:fontsize=12" -acodec copy output.mp4

    I have tried very hard looking for an option to fade in and fade out the text and the box but can’t seem to find a solution.

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