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• Can anyone recommend a version of FFMpeg for Ubuntu 12.04 that works with the Video Presets module, 7x-2.0 ?

  19 décembre 2013, par Alpinist1974

  I have the below version of FFMpeg installed through apt-get :

  ffmpeg version 0.7.6-4:0.7.6-0ubuntu0.11.10.3, Copyright (c) 2000-2011 the Libav developers
  
    built on Jan 24 2013 19:27:08 with gcc 4.6.1
  
    configuration: --extra-version='4:0.7.6-0ubuntu0.11.10.3' --arch=amd64 --prefix=/usr --enable-vdpau --enable-bzlib --enable-libgsm --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libvorbis --enable-pthreads --enable-zlib --enable-libvpx --enable-runtime-cpudetect --enable-vaapi --enable-gpl --enable-postproc --enable-swscale --enable-x11grab --enable-libdc1394 --enable-shared --disable-static
  
    libavutil    51.  7. 0 / 51.  7. 0
  
    libavcodec   53.  6. 0 / 53.  6. 0
  
    libavformat  53.  3. 0 / 53.  3. 0
  
    libavdevice  53.  0. 0 / 53.  0. 0
  
    libavfilter   2.  4. 0 /  2.  4. 0
  
    libswscale    2.  0. 0 /  2.  0. 0
  
    libpostproc  52.  0. 0 / 52.  0. 0

  I am using Video module 7x-2.10 and Video Presets 7x-2.0. I just want to transcode to MPEG4, Webm and maybe OGG/V. Every combination of settings I try seem to fail, mainly with error messages coming from phpvideotoolkit regarding missing codecs, etc.

  If anyone knows of an optimal configuration using this version of FFMpeg and the Video Presets module, could you please post ? I am using the defualt presets that ship with the module which are supposed to work with FFMpeg, but for two days I've got nothing but failure messages when trying to convert.

  Thanks very much in advance !

• using ffmpeg command line with python's subprocess module [on hold]

  3 décembre 2013, par user1485853

  I have few wav files that I can use either of the following command line mentioned here to concatenate

  ffmpeg -f concat -i <(for f in ./*.wav; do echo "file '$f'"; done) -c copy output.wav
  
  ffmpeg -f concat -i <(printf "file '%s'\n" ./*.wav) -c copy output.wav
  
  ffmpeg -f concat -i <(find . -name '*.wav' -printf "file '%p'\n") -c copy output.wav

  anyone know how to convert either of them to work with python's subprocess module, it would be better if your solution is platform independent .

  the <(...) notation does is create a temporary file to
  contain the result, and inserts that file name on the command line. so is there any way to create a temporary file by Python here ?

• Python threading module on windows after session logout

  1er décembre 2013, par e271p314

  I wrote a code which starts to record screen capture from the second it identifies mouse movement until it identifies the mouse didn't move for a predefined time (10 seconds).
  In python, on windows, how to wait until mouse moves ?
  If, I'm logged in to the session the code works fine, i.e. it starts and stops on time and records the screen capture. But, if I logout, I expect the script to identify that the mouse doesn't move and stop recording. Instead, the code doesn't stop and when I login again (long after the 10 seconds passed), the screen capture (from the previous session) keeps running, yelling the rt buffer is full and it keeps running until I close the cmd console even I expect it to work for 10 seconds (at least when I'm logged in). Any idea what is the issue ? I feel like it is something between the threading module and the session logout but I could be completely wrong about this.