+2020-08-21 - xxxxxxxxxx - lavu 56.58.100 - avstring.h
+ Deprecate av_d2str(). Use av_asprintf() instead.
+
+2020-08-04 - xxxxxxxxxx - lavu 56.58.100 - channel_layout.h
+ Add AV_CH_LAYOUT_22POINT2 together with its newly required pieces:
+ AV_CH_TOP_SIDE_LEFT, AV_CH_TOP_SIDE_RIGHT, AV_CH_BOTTOM_FRONT_CENTER,
+ AV_CH_BOTTOM_FRONT_LEFT, AV_CH_BOTTOM_FRONT_RIGHT.
+
+2020-07-xx - xxxxxxxxxx - lavu 56.57.100 - cpu.h
+ Add AV_CPU_FLAG_MMI and AV_CPU_FLAG_MSA.
+
+2020-07-xx - xxxxxxxxxx - lavu 56.56.100 - imgutils.h
+ Add av_image_fill_plane_sizes().
+
+2020-07-xx - xxxxxxxxxx - lavc 58.96.100 - packet.h
+ Add AV_PKT_DATA_S12M_TIMECODE.
+
+2020-06-12 - b09fb030c1 - lavu 56.55.100 - pixdesc.h
+ Add AV_PIX_FMT_X2RGB10.
+
+2020-06-xx - xxxxxxxxxx - lavu 56.54.100 - frame.h
+ Add AV_FRAME_DATA_SEI_UNREGISTERED.
+
+2020-06-xx - xxxxxxxxxx - lavu 56.53.100 - log.h opt.h
+ Add av_opt_child_class_iterate() and AVClass.child_class_iterate().
+ Deprecate av_opt_child_class_next() and AVClass.child_class_next().
+
+2020-06-05 - ec39c2276a - lavu 56.50.100 - buffer.h
+ Passing NULL as alloc argument to av_buffer_pool_init2() is now allowed.
+
+2020-05-27 - ba6cada92e - lavc 58.88.100 - avcodec.h codec.h
+ Move AVCodec-related public API to new header codec.h.
+
+2020-05-23 - 064b875e89 - lavu 56.49.100 - video_enc_params.h
+ Add AV_VIDEO_ENC_PARAMS_H264.
+
+2020-05-23 - 2e08b39444 - lavu 56.48.100 - hwcontext.h
+ Add av_hwdevice_ctx_create_derived_opts.
+
+2020-05-23 - 6b65c4ec54 - lavu 56.47.100 - rational.h
+ Add av_gcd_q().
+
+2020-05-22 - af9e622776 - lavu 56.46.101 - opt.h
+ Add AV_OPT_FLAG_CHILD_CONSTS.
+
+2020-05-22 - 9d443c3e68 - 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.
+
+2020-05-21 - 13b1bbff0b - lavc 58.86.101 - avcodec.h
+ Deprecated AV_CODEC_CAP_INTRA_ONLY and AV_CODEC_CAP_LOSSLESS.
+
+2020-05-17 - 84af196c65 - lavu 56.46.100 - common.h
+ Add av_sat_add64() and av_sat_sub64()
+
+2020-05-12 - 991d417692 - lavu 56.45.100 - video_enc_params.h
+ lavc 58.84.100 - avcodec.h
+ Add a new API for exporting video encoding information.
+ Replaces the deprecated API for exporting QP tables from decoders.
+ Add AV_CODEC_EXPORT_DATA_VIDEO_ENC_PARAMS to request this information from
+ decoders.
+
+2020-05-10 - dccd07f66d - lavu 56.44.100 - hwcontext_vulkan.h
+ Add enabled_inst_extensions, num_enabled_inst_extensions, enabled_dev_extensions
+ and num_enabled_dev_extensions fields to AVVulkanDeviceContext
+
+2020-04-22 - 0e1db79e37 - lavc 58.81.100 - packet.h
+ - lavu 56.43.100 - dovi_meta.h
+ Add AV_PKT_DATA_DOVI_CONF and AVDOVIDecoderConfigurationRecord.
+
+2020-04-15 - 22b25b3ea5 - lavc 58.79.100 - avcodec.h
+ Add formal support for calling avcodec_flush_buffers() on encoders.
+ Encoders that set the cap AV_CODEC_CAP_ENCODER_FLUSH will be flushed.
+ For all other encoders, the call is now a no-op rather than undefined
+ behaviour.
+
+2020-04-10 - 672946c7fe - lavc 58.78.100 - avcodec.h codec_desc.h codec_id.h packet.h
+ Move AVCodecDesc-related public API to new header codec_desc.h.
+ Move AVCodecID enum to new header codec_id.h.
+ Move AVPacket-related public API to new header packet.h.
+
+2020-03-29 - 4cb0dda555 - lavf 58.42.100 - avformat.h
+ av_read_frame() now guarantees to handle uninitialized input packets
+ and to return refcounted packets on success.
+
+2020-03-27 - c52ec0367d - lavc 58.77.100 - avcodec.h
+ av_packet_ref() now guarantees to return the destination packet
+ in a blank state on error.
+
+2020-03-10 - 05d27f342b - lavc 58.75.100 - avcodec.h
+ Add AV_PKT_DATA_ICC_PROFILE.
+
+2020-02-21 - d005a7cdfd - lavc 58.73.101 - avcodec.h
+ Add AV_CODEC_EXPORT_DATA_PRFT.
+
+2020-02-21 - c666689491 - lavc 58.73.100 - avcodec.h
+ Add AVCodecContext.export_side_data and AV_CODEC_EXPORT_DATA_MVS.
+
+2020-02-13 - e8f054b095 - lavu 56.41.100 - tx.h
+ Add AV_TX_INT32_FFT and AV_TX_INT32_MDCT
+
+2020-02-12 - 3182114f88 - lavu 56.40.100 - log.h
+ Add av_log_once().
+
+2020-02-04 - a88449ffb2 - lavu 56.39.100 - hwcontext.h