When you configure your ffmpeg build, all the supported protocols are enabled by default. Consult your locally installed documentation for older versions. This page contains a list of resources which describe the necessary steps required for compiling ffmpeg from scratch or with the help of build scripts and/or package managers.
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It is a key component in many multimedia projects and has new features added constantly. The following documentation is regenerated nightly, and corresponds to the newest ffmpeg revision. In particular, codec options are applied by ffmpeg after the stream selection process and thus do not influence the latter.
Ffmpeg can make use of the openh264 library for h.264 decoding and encoding.
Servers which can receive from ffmpeg (to restream to multiple clients) include ffserver (linux only, though with cygwin it might work on windows), or wowza media server, or flash media. First ffmpeg searches for a file named arg.ffpreset in the directories $ffmpeg_datadir (if set), and $home/.ffmpeg, and in the datadir defined at configuration.
