AVFilterLink.srcpic -> AVFilterLink.src_buf
AVFilterLink.cur_pic -> AVFilterLink.cur_buf
AVFilterLink.outpic -> AVFilterLink.out_buf
The new names are more generic and more consistent, since the struct
they contain, which was named AVFilterPicRef, has been renamed to
Patch by S.N. Hemanth Meenakshisundaram smeenaks%ucsd%edu.
Originally committed as revision 24732 to svn://svn.ffmpeg.org/ffmpeg/trunk