+2011-09-22 - a70e787 - lavu 51.17.0
+ Add av_x_if_null().
+
+2011-09-18 - 645cebb - lavc 53.16.0
+ Add showall flag2
+
+2011-09-16 - ea8de10 - lavfi 2.42.0
+ Add avfilter_all_channel_layouts.
+
+2011-09-16 - 9899037 - 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 - 4381bdd - lavfi 2.40.0
+ Change AVFilterBufferRefAudioProps.sample_rate type from uint32_t to int.
+
+2011-09-12 - 2c03174 - lavfi 2.40.0
+ Simplify signature for avfilter_get_audio_buffer(), make it
+ consistent with avfilter_get_video_buffer().
+
+2011-09-06 - 4f7dfe1 - lavfi 2.39.0
+ Rename libavfilter/vsink_buffer.h to libavfilter/buffersink.h.
+
+2011-09-06 - c4415f6 - lavfi 2.38.0
+ Unify video and audio sink API.
+
+ In particular, add av_buffersink_get_buffer_ref(), deprecate
+ av_vsink_buffer_get_video_buffer_ref() and change the value for the
+ opaque field passed to the abuffersink init function.
+
+2011-09-04 - 61e2e29 - lavu 51.16.0
+ Add av_asprintf().
+
+2011-08-22 - dacd827 - lavf 53.10.0
+ Add av_find_program_from_stream().
+
+2011-08-20 - 69e2c1a - lavu 51.13.0
+ Add av_get_media_type_string().
+
+2011-09-03 - fb4ca26 - lavc 53.13.0
+ lavf 53.11.0