API changes, most recent first:
+2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
+ Rename AVFilterLink fields:
+ AVFilterLink.srcpic -> AVFilterLink.src_buf
+ AVFilterLink.cur_pic -> AVFilterLink.cur_buf
+ AVFilterLink.outpic -> AVFilterLink.out_buf
+
+2010-08-07 - r24731 - lavfi 1.30.0
+ Rename functions and fields:
+ avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
+ avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
+ AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
+
+2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
+ Rename AVFilterPicRef to AVFilterBufferRef.
+
2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
Move format field from AVFilterBuffer to AVFilterPicRef.