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Sur d’autres sites (5739)

  • avcodec/aacdec_fixed : Fix multiple runtime error : shift exponent 127 is too large...

    23 mai 2017, par Michael Niedermayer
    avcodec/aacdec_fixed : Fix multiple runtime error : shift exponent 127 is too large for 32-bit type 'int'

    Fixes : 1762/clusterfuzz-testcase-minimized-5150981081792512
    

    Found-by : continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
    
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavcodec/aacdec_fixed.c

  • PHP large video upload converting to mp3 by ffmpeg

    27 mai 2017, par SuperBerry

    I am working on a project on Linux VPS (Apache + PHP5, 4G RAM / 2 CPU Cores) which allows users to upload videos (200M max) and convert to MP3 audio files by FFMPEG. I have few questions about the concurrency and the processing because I am a newbie on PHP :

    1. If there are 10 visitors uploading (1 visitor uploads one 200M MP4 file), will it cost 2,000M memory of the server ? Will the chunk upload method could solve this memeory issue while more visitors uploading videos at the same time ?

    2. I am going to use Redis to manage the ffmpeg processing queue, and set the crontab. Should I use the shell_exec() to call the ffmpeg to process the conversion at background, then convert the uploaded videos one by one ?

    The uploading and conversion is the most cost for the server I think... Maybe my idea is extremely crazy...I am new to this type of service.. I didn’t make online projects before, just desktop apps...

    Thanks a lot for your help..

  • avcodec/aacdec_fixed : Fix multiple runtime error : shift exponent 127 is too large...

    28 mai 2017, par Michael Niedermayer
    avcodec/aacdec_fixed : Fix multiple runtime error : shift exponent 127 is too large for 32-bit type 'int'

    Fixes : 1851/clusterfuzz-testcase-minimized-5692607495667712
    

    Found-by : continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
    
Signed-off-by : Michael Niedermayer <michael@niedermayer.cc>
    • [DH] libavcodec/aacdec_fixed.c

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