[Live-devel] Question about buffer when streaming mp3 files and wav (raw pcm) files

[Zhaofei Chen]

Hello,

I've tried to use live media libraries with MPlayer for streaming audio
files over RTSP and it is successful.

However there's something that I'm not sure with. When a wav file or raw
pcm audio data is streamed, I found that a buffer will be used to preload
some data (few seconds, related with audio file's bitrate) before MPlayer
starts playing. And if it is a mp3 file, there is no preloading. I would
like to ask what this buffer could be and why it is used only for some
specific formats. Anyone can give me some advice? Thanks!

Zhaofei Chen
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