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• ffmpeg on fb0 from Nexus Galaxy error : "could not get frame filename number 2"

  3 mars 2012, par user848106

  I use ffmpeg to convert fb0 files from Androids and produce screenshots. For some reason this does not work with the Nexus Galaxy.

  I get this error :

  [image2 @ 0000000001E0E350] Could not get frame filename number 2 from pattern '
  
  image.png'
  
  av_interleaved_write_frame(): Invalid argument

  Here is the process :

      C:\dev\scripts>adb pull /dev/graphics/fb0
  
  3292 KB/s (16777216 bytes in 4.976s)
  
  
  
  C:\dev\scripts>ffmpeg -vframes 1 -vcodec rawvideo -f rawvideo -pix
  
  _fmt rgb32 -s 720x1080 -i fb0 -f image2 -vcodec png image.png
  
  ffmpeg version N-36635-gceb0dd9 Copyright (c) 2000-2012 the FFmpeg developers
  
    built on Jan  9 2012 17:45:55 with gcc 4.6.2
  
    configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-ru
  
  ntime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libope
  
  ncore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --en
  
  able-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger -
  
  -enable-libspeex --enable-libtheora --enable-libvo-aacenc --enable-libvo-amrwben
  
  c --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-
  
  libxvid --enable-zlib
  
    libavutil      51. 34.100 / 51. 34.100
  
    libavcodec     53. 54.100 / 53. 54.100
  
    libavformat    53. 29.100 / 53. 29.100
  
    libavdevice    53.  4.100 / 53.  4.100
  
    libavfilter     2. 58.100 /  2. 58.100
  
    libswscale      2.  1.100 /  2.  1.100
  
    libswresample   0.  6.100 /  0.  6.100
  
    libpostproc    51.  2.100 / 51.  2.100
  
  [rawvideo @ 000000000037D5A0] Estimating duration from bitrate, this may be inac
  
  curate
  
  Input #0, rawvideo, from 'fb0':
  
    Duration: N/A, start: 0.000000, bitrate: N/A
  
      Stream #0:0: Video: rawvideo (BGRA / 0x41524742), bgra, 720x1080, 25 tbr, 25
  
   tbn, 25 tbc
  
  [buffer @ 000000000037D420] w:720 h:1080 pixfmt:bgra tb:1/1000000 sar:0/1 sws_pa
  
  ram:
  
  Output #0, image2, to 'image.png':
  
    Metadata:
  
      encoder         : Lavf53.29.100
  
      Stream #0:0: Video: png, bgra, 720x1080, q=2-31, 200 kb/s, 90k tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (rawvideo -> png)
  
  Press [q] to stop, [?] for help
  
  [image2 @ 0000000001E0E350] Could not get frame filename number 2 from pattern '
  
  image.png'
  
  av_interleaved_write_frame(): Invalid argument

• FFMPEG conversion to MXF [closed]

  16 février 2012, par MFB

  I have to wrap an MPEG2 video file in an MXF container and convert the audio in the process. I have the MXF wrapping working but it won't convert the audio stream (which needs to be 16bit, 48kHz Linear PCM).

  Here's what I'm trying :

  ffmpeg -i input.mpg -map 0:0 -map 0:1 -vcodec copy -f mpeg2video -acodec pcm_s16le -ar 48000 -ac 2 output.mxf

  Results :

  ffmpeg version 0.10 Copyright (c) 2000-2012 the FFmpeg developers
  
    built on Jan 30 2012 17:49:23 with gcc 4.2.1 (Apple Inc. build 5666) (dot 3)
  
    configuration: *{snipped}*
  
  runtime-cpudetect
  
    libavutil      51. 34.101 / 51. 34.101
  
    libavcodec     53. 60.100 / 53. 60.100
  
    libavformat    53. 31.100 / 53. 31.100
  
    libavdevice    53.  4.100 / 53.  4.100
  
    libavfilter     2. 60.100 /  2. 60.100
  
    libswscale      2.  1.100 /  2.  1.100
  
    libswresample   0.  6.100 /  0.  6.100
  
    libpostproc    52.  0.100 / 52.  0.100
  
  [mpeg @ 0x10201ae00] max_analyze_duration 5000000 reached at 5000000
  
  Input #0, mpeg, from '/Volumes/Extra/test.mpg':
  
    Duration: 00:00:59.97, start: 0.192911, bitrate: 6513 kb/s
  
      Stream #0:0[0x1c0]: Audio: mp2, 48000 Hz, stereo, s16, 384 kb/s
  
      Stream #0:1[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x576 [SAR 16:15 DAR 4:3], 12000 kb/s, 25 fps, 25 tbr, 90k tbn, 50 tbc
  
  Output #0, mpeg2video, to 'video.mxf':
  
    Metadata:
  
      encoder         : Lavf53.31.100
  
      Stream #0:0: Video: mpeg2video, yuv420p, 720x576 [SAR 16:15 DAR 4:3], q=2-31, 12000 kb/s, 25 fps, 90k tbn, 25 tbc
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (copy)
  
  Press [q] to stop, [?] for help
  
  frame= 1500 fps=  0 q=-1.0 Lsize=   43949kB time=00:00:59.96 bitrate=6004.6kbits/s    
  
  video:43949kB audio:0kB global headers:0kB muxing overhead 0.000000%

  The video plays fine as the MXF, but there is no audio stream at all. Any help would be great.

• ffmpeg windows : how to run ffmpeg -i input -filter:v frei0r=pixeliz0r=0.02:0.02 output

  7 octobre 2015, par yarek

  I run ffmpeg on Windows.

  I try to run

  ffmpeg -i input.avi -filter:v frei0r=pixeliz0r=0.02:0.02 ouput.avi

  I have this error :

  No such filter: 'frei0r
  
  Error opening filters!

  When I run ffmpeg.exe I got :

  ffmpeg version git-N-30610-g1929807, Copyright (c) 2000-2011 the FFmpeg developers
  
    built on Jun  7 2011 15:55:06 with gcc 4.5.3
  
    configuration: --enable-gpl --enable-version3 --enable-memalign-hack --enable-
  
  runtime-cpudetect --enable-avisynth --enable-bzlib --enable-frei0r --enable-libo
  
  pencore-amrnb --enable-libopencore-amrwb --enable-libfreetype --enable-libgsm --
  
  enable-libmp3lame --enable-libopenjpeg --enable-librtmp --enable-libschroedinger
  
   --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enabl
  
  e-libx264 --enable-libxavs --enable-libxvid --enable-zlib --disable-outdev=sdl -
  
  -pkg-config=pkg-config

  Note the --enable-frei0r above.

  Any idea where I can get the ffmpeg for windows with frei0r enabled and working ?