2009-10-22 16:55
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I would like to be able to convert audio files to MP3 to the users browser on the fly. The software I am using is: Apache, PHP & FFMPEG on an ubuntu system. Here is the code I have so far:

     header("Content-Transfer-Encoding: binary");
     header("Content-Type: audio/mpeg, audio/x-mpeg, audio/x-mpeg-3, audio/mpeg3");

     passthru('ffmpeg -i song.flac -v 0 -ab 320k -f mp3 -');

With this code, only the first few seconds of the audio are converted, however, when I comment out the header functions, the audio file is completely converted but all binary data is passed through to the screen (instead of wrapped in the browsers mp3 player).

Any thoughts?

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1条回答 默认 最新

  • duanhan5388 2009-10-22 21:02

    Well i fount the answer. You have to calculate the output stream's size and output the following header (before the audio stream output):

    header("Content-Length: {$calculatedFileSize}"); 
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