ffmpeg

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Michael Niedermayer 28db7fce02 slow but accurate integer dct from IJG (should be ok with the LGPL as the old DCT is the fast integer DCT from IJG) per context DCT selection Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk		2002-08-29 23:55:32 +00:00
doc	base64 encoded patches posted to the devel list are prefered	2002-08-29 13:29:01 +00:00
libav	* skiping unwanted packets when it's possible	2002-08-09 13:06:27 +00:00
libavcodec	slow but accurate integer dct from IJG (should be ok with the LGPL as the old DCT is the fast integer DCT from IJG)	2002-08-29 23:55:32 +00:00
postproc	removed -W -Wall -g and other gcc-specific warning/debug options	2002-08-22 23:29:46 +00:00
tests	mmx & non-mmx regerssion tests	2002-08-27 22:20:01 +00:00
.cvsignore	* cleanup	2002-04-26 07:18:57 +00:00
berrno.h	beos/mov/adpcm patch by François Revol <revol at free dot fr>	2002-07-20 20:05:50 +00:00
Changelog	updated	2002-05-25 22:18:04 +00:00
configure	first cut at altivec support on darwin patch by (Brian Foley <bfoley at compsoc dot nuigalway dot ie>)	2002-08-28 13:14:36 +00:00
COPYING	added license	2002-05-25 23:01:48 +00:00
ffmpeg.c	new ratecontrol code	2002-08-25 21:19:50 +00:00
ffserver.c	* Now we do not delete the feed file if it was created with the same	2002-07-28 04:19:46 +00:00
ffserver.h	added include for ffserver dynamically loaded modules	2002-07-25 16:15:28 +00:00
INSTALL	add more info about new configure features	2002-05-25 22:21:14 +00:00
Makefile	darwin patches by Heliodoro Tammaro <helio at interactives dot org>	2002-08-21 19:18:02 +00:00
README	license/copyright change	2002-05-25 22:23:19 +00:00
VERSION	version info for so too	2002-05-09 06:23:37 +00:00

README

1) Introduction
---------------

ffmpeg is a hyper fast realtime audio/video encoder, a streaming
server and a generic audio and video file converter. 

It can grab from a standard Video4Linux video source and convert it
into several file formats based on DCT/motion compensation
encoding. Sound is compressed in MPEG audio layer 2 or using an AC3
compatible stream.

What makes ffmpeg interesting ?

- Innovative streaming technology : multiformat, real time encoding,
  simple configuration.

- Simple and efficient video encoder: outputs MPEG1, H263, Real
  Video(tm), MPEG4, DIVX and MJPEG compatible bitstreams using the
  same encoder core.

- Real time encoding (25 fps in 352x288 on a K6 500) using the
  video4linux API.

- Generates I and P frames, which means it is far better than a MJPEG
  encoder.

- Hyper fast MPEG audio layer 2 compression (50 times faster than
  realtime on a K6 500).

- Hyper fast AC3 compatible encoder.

- simple and very small portable C source code, easy to understand and
  to modify. It be may the smallest decent MPEG encoder :-)

- optional non real time higher quality encoding (different motion
  estimators available).

- Audio and Video decoders are in development.

ffmpeg is made of two programs:

* ffmpeg: soft VCR which encodes in real time to several formats. It
  can also encode from any supported input file format to any input
  supported format.

* ffserver: high performance live broadcast streaming server based on
  the ffmpeg core encoders.

2) Documentation
----------------

* Read doc/ffmpeg.txt and doc/ffserver.txt to learn the basic features.

* Read doc/TODO to know what are the know bugs and missing features.

* Read doc/README.dev if you want to contribute or use the codec or
  format libraries.

3) Licensing:
------------

* See the file COPYING. ffmpeg and the associated library EXCEPT
  liba52 are licensed under the Lesser GNU General Public
  License. liba52 is distributed under the GNU General Public License.

* This code should be patent free since it is very simple. I took care
  to use the same video encoder/decoder core for all formats to show
  that they really are mostly the same.

Fabrice Bellard.