!!!!!!!!!!!!!!!!!!!!
! important notice !
!!!!!!!!!!!!!!!!!!!!

this project is stop maintained and its source code is out of date.
the lastest ffencode source code is keeping maintain in v4l2test project.

please refer to v4l2test project:
https://github.com/rockcarry/v4l2test



+-------------+
 instroduction
+-------------+
ffencoder is a video encoder based on ffmpeg. It wraps around ffmpeg encoding and muxing functions, providing a simple interface to encode audio and video data into mp4 file.

I wrote a script to auto make dll from ffmpeg source code for mingw32. It will auto download and patch source code, and then make out dll file. I only enable h264 and aac encoding of ffmpeg configure to make dll size small.

It's quite easy to use, only exposing four C functions interface for user. It has already been used and tested on my ffnes project for nes game replay recording.

+-----------+
 how to make
+-----------+
1. first you need a ubuntu pc, and install wget, git, yasm, mingw32, etc.
2. run script build_ffmpeg_lib.sh, it will download and build ffmpeg, x264, faac source codes.
3. cd src dir, then make, you will get ffencoder.dll
4. run i586-mingw32msvc-strip ffencoder.dll, this will make ffencoder.dll size small
5. these files: ffencoder.dll, ffencoder.h are for your usage.
6. for msvc++ you could use pexports and lib tool to make a ffencoder.lib from ffencoder.dll


+-----------+
 how to use
+-----------+
no need to explain more, because only 4 functions:
void* ffencoder_init (FFENCODER_PARAMS *params);
void  ffencoder_free (void *ctxt);
void  ffencoder_audio(void *ctxt, void *data[8], int nbsample   );
void  ffencoder_video(void *ctxt, void *data[8], int linesize[8]);

+---------+
 features
+---------+
1. support multi-thread encoding
2. auto drop frame when cpu could not encode in time
3. support push rtmp live stream


rockcarry
2016-9-12