API changes, most recent first:
+2020-xx-xx - xxxxxxxxxx - lavc 58.88.100 - avcodec.h codec.h
+ Move AVCodec-related public API to new header codec.h.
+
+2020-05-23 - xxxxxxxxxx - lavu 56.49.100 - video_enc_params.h
+ Add AV_VIDEO_ENC_PARAMS_H264.
+
+2020-05-23 - xxxxxxxxxx - lavu 56.48.100 - hwcontext.h
+ Add av_hwdevice_ctx_create_derived_opts.
+
+2020-05-23 - xxxxxxxxxx - lavu 56.47.100 - rational.h
+ Add av_gcd_q().
+
+2020-05-22 - xxxxxxxxxx - lavu 56.46.101 - opt.h
+ Add AV_OPT_FLAG_CHILD_CONSTS.
+
+2020-xx-xx - xxxxxxxxxx - lavc 58.87.100 - avcodec.h codec_par.h
+ Move AVBitstreamFilter-related public API to new header bsf.h.
+ Move AVCodecParameters-related public API to new header codec_par.h.
+
+2020-05-xx - xxxxxxxxxx - lavc 58.86.101 - avcodec.h
+ Deprecated AV_CODEC_CAP_INTRA_ONLY and AV_CODEC_CAP_LOSSLESS.
+
+2020-05-xx - xxxxxxxxxx - lavu 56.46.100 - common.h
+ Add av_sat_add64() and av_sat_sub64()
+
2020-xx-xx - xxxxxxxxxx - lavu 56.45.100 - video_enc_params.h
lavc 58.84.100 - avcodec.h
Add a new API for exporting video encoding information.