+2011-09-16 - xxxxxxx - lavfi 2.41.0
+ Rename avfilter_all_* function names to avfilter_make_all_*.
+
+ In particular, apply the renames:
+ avfilter_all_formats -> avfilter_make_all_formats
+ avfilter_all_channel_layouts -> avfilter_make_all_channel_layouts
+ avfilter_all_packing_formats -> avfilter_make_all_packing_formats
+
+2011-09-12 - xxxxxxx - lavfi 2.40.0
+ Change AVFilterBufferRefAudioProps.sample_rate type from uint32_t to int.
+
+2011-09-12 - xxxxxxx - lavfi 2.40.0
+ Simplify signature for avfilter_get_audio_buffer(), make it
+ consistent with avfilter_get_video_buffer().
+