Never assume the API of libav* to be stable unless at least 1 month has passed
-since the last major version increase.
+since the last major version increase or the API was added.
The last version increases were:
libavcodec: 2012-01-27
API changes, most recent first:
+2012-11-25 - xxxxxxx - lavu 52.9.100 - opt.h
+ Add the following convenience functions to opt.h:
+ av_opt_get_image_size
+ av_opt_get_pixel_fmt
+ av_opt_get_sample_fmt
+ av_opt_set_image_size
+ av_opt_set_pixel_fmt
+ av_opt_set_sample_fmt
+
+2012-11-17 - xxxxxxx - lavu 52.8.100 - bprint.h
+ Add av_bprint_strftime().
+
+2012-11-15 - xxxxxxx - lavu 52.7.100 - opt.h
+ Add av_opt_get_key_value().
+
+2012-11-13 - xxxxxxx - lavfi 3.23.100 - avfilter.h
+ Add channels field to AVFilterBufferRefAudioProps.
+
+2012-11-03 - xxxxxxx - lavu 52.3.100 - opt.h
+ Add AV_OPT_TYPE_SAMPLE_FMT value to AVOptionType enum.
+
2012-10-21 - xxxxxxx - lavc 54.68.100 - avcodec.h
lavfi 3.20.100 - avfilter.h
Add AV_PKT_DATA_STRINGS_METADATA side data type, used to transmit key/value
2012-03-26 - a67d9cf - lavfi 2.66.100
Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
+2012-xx-xx - xxxxxxx - lavu 52.2.0 - audioconvert.h
+ Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.
+
+2012-xx-xx - xxxxxxx - lavu 52.1.0 - intmath.h
+ Add av_ctz() for trailing zero bit count
+
2012-10-18 - xxxxxxx - lavu 51.45.0 - error.h
Add AVERROR_EXPERIMENTAL
2012-10-xx - xxxxxxx - lavu 51.43.0 - aes.h, md5.h, sha.h, tree.h
Add functions for allocating the opaque contexts for the algorithms,
- deprecate the context size variables.
2012-10-xx - xxxxxxx - lavf 54.18.0 - avio.h
Add avio_closep to complement avio_close.
2012-01-24 - 0c3577b - lavfi 2.60.100
Add avfilter_graph_dump.
+2012-03-20 - 3c90cc2 - lavfo 54.2.0
+ Deprecate av_read_packet(), use av_read_frame() with
+ AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags
+
2012-03-05 - lavc 54.8.0
6699d07 Add av_get_exact_bits_per_sample()
9524cf7 Add av_get_audio_frame_duration()