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Diego Biurrun
committed
Never assume the API of libav* to be stable unless at least 1 month has passed
since the last major version increase or the API was added.
Diego Biurrun
committed
The last version increases were:
libavcodec: 2013-03-xx
libavdevice: 2013-03-xx
libavfilter: 2012-06-22
libavformat: 2013-03-xx
libpostproc: 2011-04-18
API changes, most recent first:
2013-08-xx - xxxxxxx - lavc 55.16.0 - avcodec.h
Extend AVPacket API with av_packet_unref, av_packet_ref,
av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.
2013-08-xx - xxxxxxx - lavc 55.13.0 - avcodec.h
Deprecate the bitstream-related members from struct AVVDPAUContext.
The bistream buffers no longer need to be explicitly freed.
2013-08-xx - xxxxxxx - lavc 55.12.0 - avcodec.h
Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL
and select the AV_PIX_FMT_VDPAU format with get_format() instead.
2013-08-xx - xxxxxxx - lavu 52.14.0 - pixfmt.h
Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.
2013-08-xx - xxxxxxx - lavc 55.11.0 - avcodec.h
Add output_picture_number to AVCodecParserContext.
2013-07-XX - xxxxxxx - XXXXXXXXXXXXXX - avcodec.h
Add avcodec_chroma_pos_to_enum()
Add avcodec_enum_to_chroma_pos()
Stefano Sabatini
committed
2013-07-03 - xxxxxxx - lavfi 3.78.100 - avfilter.h
Deprecate avfilter_graph_parse() in favor of the equivalent
avfilter_graph_parse_ptr().
2013-06-xx - xxxxxxx - lavc 55.10.0 - avcodec.h
Add MPEG-2 AAC profiles
2013-06-xx - xxxxxxx - lavf 55.10.100 - avformat.h
Add AV_DISPOSITION_* flags to indicate text track kind.
2013-06-xx - xxxxxxx - lavu 52.36.100
Add AVRIPEMD:
av_ripemd_alloc()
av_ripemd_init()
av_ripemd_update()
av_ripemd_final()
2013-06-05 - fc962d4 - lavu 52.13.0 - mem.h
Add av_realloc_array and av_reallocp_array
2013-05-30 - 682b227 - lavu 52.35.100
Add AVSHA512:
av_sha512_alloc()
av_sha512_init()
av_sha512_update()
av_sha512_final()
2013-05-24 - xxxxxxx - lavfi 3.70.100 - avfilter.h
Add support for slice multithreading to lavfi. Filters supporting threading
are marked with AVFILTER_FLAG_SLICE_THREADS.
New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and
AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be
used to configure multithreading.
2013-05-24 - xxxxxxx - lavu 52.34.100 - cpu.h
Add av_cpu_count() function for getting the number of logical CPUs.
2013-05-24 - xxxxxxx - lavc 55.12.100 - avcodec.h
Add picture_structure to AVCodecParserContext.
2013-05-17 - xxxxxxx - lavu 52.33.100 - opt.h
Add AV_OPT_TYPE_COLOR value to AVOptionType enum.
2013-05-13 - xxxxxxx - lavu 52.31.100 - mem.h
Add av_dynarray2_add().
2013-05-12 - xxxxxxx - lavfi 3.65.100
Add AVFILTER_FLAG_SUPPORT_TIMELINE* filter flags.
2013-04-19 - xxxxxxx - lavc 55.4.100
Add AV_CODEC_PROP_TEXT_SUB property for text based subtitles codec.
2013-04-18 - xxxxxxx - lavf 55.3.100
The matroska demuxer can now output proper verbatim ASS packets. It will
become the default starting lavf 56.0.100.
2013-04-10 - xxxxxxx - lavu 25.26.100 - avutil.h,opt.h
Add av_int_list_length()
and av_opt_set_int_list().
2013-03-30 - xxxxxxx - lavu 52.24.100 - samplefmt.h
Add av_samples_alloc_array_and_samples().
2013-03-29 - xxxxxxx - lavf 55.1.100 - avformat.h
Add av_guess_frame_rate()
2013-03-20 - xxxxxxx - lavu 52.22.100 - opt.h
Add AV_OPT_TYPE_DURATION value to AVOptionType enum.
2013-03-17 - xxxxxx - lavu 52.20.100 - opt.h
Add AV_OPT_TYPE_VIDEO_RATE value to AVOptionType enum.
2013-03-07 - xxxxxx - lavu 52.18.100 - avstring.h,bprint.h
Add av_escape() and av_bprint_escape() API.
2013-02-24 - xxxxxx - lavfi 3.41.100 - buffersink.h
Add sample_rates field to AVABufferSinkParams.
2013-01-17 - a1a707f - lavf 54.61.100
Add av_codec_get_tag2().
2013-01-01 - 2eb2e17 - lavfi 3.34.100
Add avfilter_get_audio_buffer_ref_from_arrays_channels.
Carl Eugen Hoyos
committed
2012-12-20 - 34de47aa - lavfi 3.29.100 - avfilter.h
Add AVFilterLink.channels, avfilter_link_get_channels()
and avfilter_ref_get_channels().
2012-12-15 - 2ada584d - lavc 54.80.100 - avcodec.h
Add pkt_size field to AVFrame.
2012-11-25 - c70ec631 - 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 - 4cd74c81 - lavu 52.8.100 - bprint.h
Add av_bprint_strftime().
2012-11-15 - 92648107 - lavu 52.7.100 - opt.h
Add av_opt_get_key_value().
2012-11-13 - 79456652 - lavfi 3.23.100 - avfilter.h
Stefano Sabatini
committed
Add channels field to AVFilterBufferRefAudioProps.
2012-11-03 - 481fdeee - lavu 52.3.100 - opt.h
Add AV_OPT_TYPE_SAMPLE_FMT value to AVOptionType enum.
2012-10-21 - 6fb2fd8 - 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
strings between AVPacket and AVFrame, and add metadata field to
AVCodecContext (which shall not be accessed by users; see AVFrame metadata
instead).
2012-09-27 - a70b493 - lavd 54.3.100 - version.h
2012-09-27 - a70b493 - lavfi 3.18.100 - version.h
2012-09-27 - a70b493 - libswr 0.16.100 - version.h
Add LIBSWRESAMPLE_VERSION, LIBSWRESAMPLE_BUILD
and LIBSWRESAMPLE_IDENT symbols.
2012-09-06 - 29e972f - lavu 51.72.100 - parseutils.h
Add av_small_strptime() time parsing function.
Can be used as a stripped-down replacement for strptime(), on
systems which do not support it.
2012-08-25 - 2626cc4 - lavf 54.28.100
Matroska demuxer now identifies SRT subtitles as AV_CODEC_ID_SUBRIP instead
of AV_CODEC_ID_TEXT.
2012-08-13 - 5c0d8bc - lavfi 3.8.100 - avfilter.h
Add avfilter_get_class() function, and priv_class field to AVFilter
struct.
Add AV_OPT_FLAG_FILTERING_PARAM symbol in opt.h.
Add channels field to AVFrame.
Add av_get_channel_description()
and av_get_standard_channel_layout() functions.
Add decode_error_flags field to AVFrame.
Add avformat_match_stream_specifier() function.
2012-07-14 - f49ec1b - lavc 54.38.100 - avcodec.h
Add metadata to AVFrame, and the accessor functions
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