Clean some code.
Merge remote-tracking branch 'upstream/master'
Added function fallbacks for older versions of libavcodec. Removed some unneeded stuff.
More cleanup, more comments.
Use a callback to process every decoded frame.
Dumping to a file has been moved to video_process.
Removed some annoying messages.
The framedump callback now stops the video thread when it's done.
I didn't know pkg-config could take several args :p
Warn the user about video file size.
Merge pull request #19 from hecfac/master

Changements décodage
Merge remote-tracking branch 'upstream/master'

Conflicts:
	.gitignore
	Makefile