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README
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README
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FFmpeg version 0.9 - (c) 2000 Gerard Lantau.
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1) Introduction
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---------------
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ffmpeg is a hyper fast realtime audio/video encoder and streaming
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server. It can grab from a standard Video4Linux video source and
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convert it into several file formats based on DCT/motion compensation
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encoding. Sound is compressed in MPEG audio layer 2 or using an AC3
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compatible stream.
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What makes ffmpeg interesting ?
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- Innovative streaming technology : multiformat, real time encoding,
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simple configuration.
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- Simple and efficient video encoder: outputs MPEG1, H263 and Real
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Video(tm) compatible bitstreams using the same encoder core.
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- Real time encoding (25 fps in 352x288 on a K6 500) using the video4linux API.
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- Generates I and P frames, which means it is far better than a MJPEG
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encoder.
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- Hyper fast MPEG audio layer 2 compression (50 times faster than
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realtime on a K6 500).
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- Hyper fast AC3 compatible encoder.
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- simple and very small portable C source code, easy to understand and
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to modify. It be may the smallest decent MPEG encoder :-)
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ffmpeg is made of two programs:
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* ffmpeg: soft VCR which encodes in real time to several formats.
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* ffserver: live broadcast streaming server based on the ffmpeg core
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encoders.
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2) Documentation
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----------------
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read doc/ffmpeg.txt and doc/ffserver.txt to learn the basic features.
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read ffmpeg
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3) Licensing:
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------------
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* See the file COPYING. ffmpeg is licensed under the GNU General
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Public License.
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* Source code from third parties: The DCT code comes from the Berkeley
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MPEG decoder and the JPEG encoder.
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* This code should be patent free since it is very simple. I took care
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to use the same video encoder core for all formats to show that they
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really ARE THE SAME except for the encoding huffman codes.
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Gerard Lantau (glantau@users.sourceforge.net).
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