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• Convert SWF file to FLV with FFMPEG & getting error "could not find codec parameters"

  15 septembre 2011, par Ritesh

  Hi I am trying to convert SWF file to FLV, but i am getting same eror

  C:\Users\Administrator>C:/ffmpeg/ffmpeg.exe -i C:/xampplite/htdocs/ffmpeg/1.swf \
  
   C:/xampplite/htdocs/ffmpeg/file1.flv 
  
  
  
  FFmpeg version SVN-r16573, Copyright (c) 2000-2009 Fabrice Bellard, et al. 
  
  configuration: --extra-cflags=-fno-common --enable-memalign-hack --enable-pthreads 
  
  --enable-libmp3lame --enable-libxvid --enable-libvorbis --enable-libtheora 
  
  --enable-libspeex --enable-libfaac --enable-libgsm --enable-libx264 
  
  --enable-libschroedinger --enable-avisynth --enable-swscale --enable-gpl 
  
    libavutil 49.12. 0 / 49.12. 0 
  
    libavcodec 52.10. 0 / 52.10. 0 
  
    libavformat 52.23. 1 / 52.23. 1 
  
    libavdevice 52. 1. 0 / 52. 1. 0 
  
    libswscale 0. 6. 1 / 0. 6. 1 
  
  built on Jan 13 2009 02:57:09, gcc: 4.2.4 
  
  C:/xampplite/htdocs/ffmpeg/1.swf: could not find codec parameters

  Please solve this problem, what i am doing wrong ??

• How to tell if ffmpeg errored ?

  12 septembre 2011, par Eric

  The Situation :
  I'm using ffmpeg (via php) to convert video files. I configured my convert script to return the output (as the $error array) from the exec() command. My assumption was that if no error occurred, $error would be an empty array.

  The Problem :
  The problem is that, the script returns output even if there was no error in conversion. (I can tell that there was no error because a playable video file is output.)

  The Question :
  How does ffmpeg format its errors/output ? I want to be able to parse this and determine if an error occurred and what error it was.

  Thanks !

  Code :
  *An example of a non-error output :

  FFmpeg version git-N-29201-g37c0a44, Copyright (c) 2000-2011 the FFmpeg developers|  built on Sep  9 2011 23:29:21 with gcc 4.1.2 20080704 (Red Hat 4.1.2-50)|  configuration: --prefix=/usr/local/hgffmpeg --enable-shared --enable-nonfree --enable-avfilter --enable-filter=movie --enable-gpl --enable-pthreads --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --extra-cflags=-I/usr/local/hgffmpeg/include/ --extra-ldflags=-L/usr/local/hgffmpeg/lib --enable-decoder=ac3 --enable-decoder=asv1 --enable-decoder=asv2 --enable-decoder=flac --enable-decoder=wmv1 --enable-decoder=wmv2 --enable-decoder=wmv3 --enable-decoder=mpeg1video --enable-decoder=mpeg2video --enable-decoder=flv --enable-decoder=fraps --enable-decoder=h263 --enable-decoder=h264 --enable-decoder=libgsm --enable-decoder=mjpeg --enable-decoder=mpeg4 --enable-decoder=mpeg4aac --enable-decoder=mpegvideo --enable-decoder=mpeg4aac --enable-decoder=msmpeg4v1 --enable-decoder=msmpeg4v2 --enable-decoder=msmpeg4v3 --enable-decoder=pcm_alaw --enable-decoder=pcm_mulaw --enable-encoder=ac3 --enable-encoder=asv1 --enable-encoder=asv2 --enable-encoder=flac --enable-encoder=h263 --enable-encoder=flashsv --enable-encoder=flv --enable-encoder=libgsm --enable-encoder=mjpeg --enable-encoder=msmpeg4v3 --enable-encoder=pcm_alaw --enable-encoder=pcm_mulaw --enable-encoder=mpeg1video --enable-encoder=mpeg2video --enable-encoder=mpeg4 --enable-encoder=msmpeg4v1 --enable-encoder=msmpeg4v2 --enable-encoder=rv10 --enable-encoder=rv20 --enable-encoder=vorbis --enable-encoder=wmav1 --enable-encoder=wmav2 --enable-encoder=wmv1 --enable-encoder=wmv2 --disable-demuxer=v4l --disable-demuxer=v4l2 --enable-version3|  libavutil    50. 40. 1 / 50. 40. 1|  libavcodec   52.120. 0 / 52.120. 0|  libavformat  52.108. 0 / 52.108. 0|  libavdevice  52.  4. 0 / 52.  4. 0|  libavfilter   1. 79. 1 /  1. 79. 1|  libswscale    0. 13. 0 /  0. 13. 0|[mpeg1video @ 0x1f6d030] skipped MB in I frame at 5 0|[mpeg1video @ 0x1f6d030] Warning MVs not available|[mpeg1video @ 0x1f6d030] concealing 260 DC, 260 AC, 260 MV errors|[mpegvideo @ 0x1f6a660] Estimating duration from bitrate, this may be inaccurate|Input #0, mpegvideo, from '../uploads/test_vid/unencodedVideo.mpg':|  Duration: 00:00:00.01, bitrate: 104860 kb/s|    Stream #0.0: Video: mpeg1video, yuv420p, 320x200 [PAR 1:1 DAR 8:5], 104857 kb/s, 23.98 fps, 23.98 tbr, 1200k tbn, 23.98 tbc|WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s|File '../uploads/test_vid/video.flv' already exists. Overwrite ? [y/N] Not overwriting - exiting

• Ffmpeg I/O error

  11 septembre 2011, par David542

  I am trying to get info on a file. I can this on either a file or url on my local machine. However, when using my server, I can only get info on a file. This is what happens when I try a URL :

  [david542@web ~]$ ffmpeg -i http://url/1video.mp4
  
  FFmpeg version UNKNOWN, Copyright (c) 2000-2009 Fabrice Bellard, et al.
  
    configuration: --enable-gpl --enable-libamr-nb --enable-libamr-wb --enable-libfaac --enable-libfaad --enable-libmp3lame --enable-nonfree
  
    libavutil     49.14. 0 / 49.14. 0
  
    libavcodec    52.15. 0 / 52.15. 0
  
    libavformat   52.28. 0 / 52.28. 0
  
    libavdevice   52. 1. 0 / 52. 1. 0
  
    built on Apr 30 2009 20:58:02, gcc: 4.1.2 20080704 (Red Hat 4.1.2-44)
  
  http://url/1video.mp4: I/O error occurred
  
  Usually that means that input file is truncated and/or corrupted.

  However, the file is not corrupted, as this works fine on my local machine. What do I need to do to fix this ? Thank you.