Never assume the API of libav* to be stable unless at least 1 week has passed sincethe last major version increase.The last version increases were:libavcodec: ?libavcore: 2010-07-21libavdevice: ?libavfilter: 2009-10-18libavformat: ?libpostproc: ?libswscale: ?libavutil: 2009-03-08 API changes, most recent first: 2011-02-02 - lavf 52.95.0 * 50196a9 - add a new installed header version.h. * 4efd5cf, dccbd97, 93b78d1 - add several variants of public avio_{put,get}_str* functions. Deprecate corresponding semi-public {put,get}_str*. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h Make av_dlog public. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy() Add av_metadata_copy() in avformat.h. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque Deprecate reordered_opaque in favor of pkt_pts/dts. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts Add pkt_dts to AVFrame, this will in the future allow multithreading decoders to not mess up dts. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts Add pkt_pts to AVFrame. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name() Add av_get_profile_name to libavcodec/avcodec.h. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES Add AV_PERM_NEG_LINESIZES in avfilter.h. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream() Add av_find_best_stream to libavformat/avformat.h. 2010-12-27 - r26103 - lavf 52.90.0 Add AVFMT_NOSTREAMS flag for formats with no streams, like e.g. text metadata. 2010-12-22 - r26073 - lavu 50.36.0 - file.h Add functions av_file_map() and av_file_unmap() in file.h. 2010-12-19 - r26056 - lavu 50.35.0 - error.h Add "not found" error codes: AVERROR_DEMUXER_NOT_FOUND AVERROR_MUXER_NOT_FOUND AVERROR_DECODER_NOT_FOUND AVERROR_ENCODER_NOT_FOUND AVERROR_PROTOCOL_NOT_FOUND AVERROR_FILTER_NOT_FOUND AVERROR_BSF_NOT_FOUND AVERROR_STREAM_NOT_FOUND 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from avcodec.h to avcore.h. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string() Deprecate avcodec_pix_fmt_string() in favor of pixdesc.h/av_get_pix_fmt_string(). 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc() Add av_image_alloc() to libavcore/imgutils.h. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter() Add function avfilter_graph_create_filter() in avfiltergraph.h. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays() Add function avfilter_get_video_buffer_ref_from_arrays() in avfilter.h. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h Add a public audio channel API in audioconvert.h, and deprecate the corresponding functions in libavcodec: avcodec_get_channel_name() avcodec_get_channel_layout() avcodec_get_channel_layout_string() avcodec_channel_layout_num_channels() and the CH_* macros defined in libavcodec/avcodec.h. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h Add av_append_packet(). 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h Add av_grow_packet(). 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h Add av_parse_color() declared in libavcore/parseutils.h. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size fields. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h Make avfiltergraph.h public. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h Remove declarations from avfiltergraph.h for the functions: avfilter_graph_check_validity() avfilter_graph_config_links() avfilter_graph_config_formats() which are now internal. Use avfilter_graph_config() instead. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h Deprecate functions: av_parse_and_eval_expr(), av_parse_expr(), av_eval_expr(), av_free_expr(), in favor of the functions: av_expr_parse_and_eval(), av_expr_parse(), av_expr_eval(), av_expr_free(). 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free() Rename avfilter_destroy() to avfilter_free(). This change breaks libavfilter API/ABI. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h Remove graphparser.h header, move AVFilterInOut and avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx. This change breaks libavfilter API. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free() Rename avfilter_graph_destroy() to avfilter_graph_free(). This change breaks libavfilter API/ABI. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc() Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt() Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and deprecate av_get_bits_per_sample_format(). 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h Add sample format functions in libavcore/samplefmt.h: av_get_sample_fmt_name(), av_get_sample_fmt(), av_get_sample_fmt_string(), and deprecate the corresponding libavcodec/audioconvert.h functions: avcodec_get_sample_fmt_name(), avcodec_get_sample_fmt(), avcodec_sample_fmt_string(). 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum SampleFormat. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config() Add the function avfilter_graph_config() in avfiltergraph.h. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API Change demuxers to export metadata in generic format and muxers to accept generic format. Deprecate the public conversion API. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base Add time_base field to AVFilterLink. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string() Move av_set_options_string() from libavfilter/parseutils.h to libavutil/opt.h. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink Make the AVFilterLink fields srcpad and dstpad store the pointers to the source and destination pads, rather than their indexes. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token() Move av_get_token() from libavfilter/parseutils.h to libavutil/avstring.h. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h Add the functions sws_alloc_context() and sws_init_context(). 2010-09-26 - r25210 - lavu 50.29.0 - opt.h Move libavcodec/opt.h to libavutil/opt.h. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags() Default of av_log() changed due to many problems to the old no repeat detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before enabling it for your app!. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2() Deprecate av_opt_show() in favor or av_opt_show2(). 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount() Add av_popcount() to libavutil/common.h. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags() Add av_get_cpu_flags(). 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy() Add av_image_copy(). 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane() Add av_image_copy_plane(). 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h Adopt hierarchical scheme for the imgutils.h function names, deprecate the old names. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_* Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout() Add avcodec_get_channel_layout() in audioconvert.h. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps() Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps(). 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep() Add av_fill_image_max_pixstep() in imgutils.h. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE() Add the AV_NE macro. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework Implement AVFilterBufferRefAudioProps struct for audio properties, get_audio_buffer(), filter_samples() functions and related changes. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize() Add av_get_image_linesize() in imgutils.h. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef Resize data and linesize arrays in AVFilterBufferRef to 8. This change breaks libavfilter API/ABI. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy() Add av_picture_data_copy in avcodec.h. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open() Change avfilter_open() signature: AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) -> int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name); This change breaks libavfilter API/ABI. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef Add a type field to AVFilterBufferRef, and move video specific properties to AVFilterBufferRefVideoProps. This change breaks libavfilter API/ABI. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink Rename AVFilterLink fields: AVFilterLink.srcpic -> AVFilterLink.src_buf AVFilterLink.cur_pic -> AVFilterLink.cur_buf AVFilterLink.outpic -> AVFilterLink.out_buf 2010-08-07 - r24731 - lavfi 1.30.0 Rename functions and fields: avfilter_(un)ref_pic -> avfilter_(un)ref_buffer avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props AVFilterBufferRef.pic -> AVFilterBufferRef.buffer 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef Rename AVFilterPicRef to AVFilterBufferRef. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer Move format field from AVFilterBuffer to AVFilterPicRef. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size() Deprecate avcodec_check_dimensions() in favor of the function av_check_image_size() defined in libavcore/imgutils.h. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer Increase size of the arrays AVFilterBuffer.data and AVFilterBuffer.linesize from 4 to 8. This change breaks libavfilter ABI. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h Add functions av_fill_image_linesizes() and av_fill_image_pointers(), declared in libavcore/imgutils.h. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate() defined in libavcodec in favor of the newly added functions av_parse_video_size() and av_parse_video_rate() declared in libavcore/parseutils.h. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h Add the M_PHI constant definition. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization Add a type field to AVFilterLink. Change the field types: enum PixelFormat format -> int format in AVFilterBuffer enum PixelFormat *formats -> int *formats in AVFilterFormats enum PixelFormat *format -> int format in AVFilterLink Change the function signatures: AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); -> AVFilterFormats *avfilter_make_format_list(const int *fmts); int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); -> int avfilter_add_format (AVFilterFormats **avff, int fmt); AVFilterFormats *avfilter_all_colorspaces(void); -> AVFilterFormats *avfilter_all_formats (enum AVMediaType type); This change breaks libavfilter API/ABI. 2010-07-21 - r24393 - lavcore 0.0.0 Add libavcore. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer Remove w and h fields from AVFilterBuffer. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer Rename AVFilterPic to AVFilterBuffer. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip() Make url_fskip() return an int error code instead of void. 2010-07-11 - r24199 - lavc 52.83.0 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields. Add AVLPCType enum. Deprecate AVCodecContext.use_lpc. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free() Add a function for free the contents of a AVSubtitle generated by avcodec_decode_subtitle. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h Make the bswap.h and intreadwrite.h API public. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h Rename read/write_line() to av_read/write_image_line(). 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props() Add avfilter_copy_picref_props(). 2010-07-03 - r24021 - lavc 52.79.0 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through lfg.h. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color() Extend av_parse_color() syntax, make it accept an alpha value specifier and set the alpha value to 255 by default. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class Add priv_data_size and priv_data_class to URLProtocol. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect() Add url_alloc() and url_connect(). 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2() Add av_register_protocol2(), deprecating av_register_protocol(). 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod() Add av_compare_mod() to libavutil/mathematics.h. 2010-06-05 - r23485 - lavu 50.18.0 - eval API Make the eval API public. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE Add AV_BASE64_SIZE() macro. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string() Add av_get_codec_tag_string(). 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24(). 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL Add CODEC_CAP_EXPERIMENTAL flag. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed() Add av_get_random_seed(). 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef Add interlaced and top_field_first fields to AVFilterPicRef. 2010-05-01 - r23002 - lavf 52.62.0 - probe function Add av_probe_input_format2 to API, it allows ignoring probe results below given score and returns the actual probe score. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API Add a flag for av_metadata_set2() to disable overwriting of existing tags. 2010-04-01 - r22753 - lavc 52.66.0 Add avcodec_get_edge_width(). 2010-03-31 - r22750 - lavc 52.65.0 Add avcodec_copy_context(). 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext() Make av_match_ext() public. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType Move AVMediaType enum from libavcodec to libavutil. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType Define AVMediaType enum, and use it instead of enum CodecType, which is deprecated and will be dropped at the next major bump. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror() Implement av_strerror(). 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init() Support DCT-I and DST-I. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime Add AVFormatContext.start_time_realtime field. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos Add AVFilterPicRef.pos field. 2010-03-13 - r22501 - lavu 50.12.0 - error.h Move error code definitions from libavcodec/avcodec.h to the new public header libavutil/error.h. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h Add public FFT interface. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr() Add av_stristr(). 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate() Add av_tree_enumerate(). 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts() Add av_compare_ts(). 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients() Add sws_getCoefficients(). 2010-02-01 - r21587 - lavf 52.50.0 - metadata API Add a list of generic tag names, change 'author' -> 'artist', 'year' -> 'date'. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt() Add av_get_pix_fmt(). 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale() Change constness attributes of sws_scale() parameters. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links() Add a log_ctx parameter to avfilter_graph_config_links(). 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put() Add sws_isSupportedInput() and sws_isSupportedOutput() functions. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace() Change the avfilter_add_colorspace() signature, make it accept an (AVFilterFormats **) rather than an (AVFilterFormats *) as before. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace() Add avfilter_add_colorspace(). 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext() Add av_match_ext(), it should be used in place of match_ext(). 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format() Add av_guess_format(), it should be used in place of guess_format(). 2009-12-13 - r20834 - lavf 52.43.0 - metadata API Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and AV_METADATA_DONT_STRDUP_VAL. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API Add av_d2str(). 2009-12-13 - r20826 - lavc 52.42.0 - AVStream Add avg_frame_rate. 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Never assume the API of libav* to be stable unless at least 1 week has passed since the last major version increase. The last version increases were: libavcodec: ? libavcore: 2010-07-21 libavdevice: ? libavfilter: 2009-10-18 libavformat: ? libpostproc: ? libswscale: ? libavutil: 2009-03-08 API changes, most recent first: 2011-02-02 - lavf 52.95.0 * 50196a9 - add a new installed header version.h. * 4efd5cf, dccbd97, 93b78d1 - add several variants of public avio_{put,get}_str* functions. Deprecate corresponding semi-public {put,get}_str*. 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h Make av_dlog public. 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples. 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy() Add av_metadata_copy() in avformat.h. 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque Deprecate reordered_opaque in favor of pkt_pts/dts. 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts Add pkt_dts to AVFrame, this will in the future allow multithreading decoders to not mess up dts. 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts Add pkt_pts to AVFrame. 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name() Add av_get_profile_name to libavcodec/avcodec.h. 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES Add AV_PERM_NEG_LINESIZES in avfilter.h. 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream() Add av_find_best_stream to libavformat/avformat.h. 2010-12-27 - r26103 - lavf 52.90.0 Add AVFMT_NOSTREAMS flag for formats with no streams, like e.g. text metadata. 2010-12-22 - r26073 - lavu 50.36.0 - file.h Add functions av_file_map() and av_file_unmap() in file.h. 2010-12-19 - r26056 - lavu 50.35.0 - error.h Add "not found" error codes: AVERROR_DEMUXER_NOT_FOUND AVERROR_MUXER_NOT_FOUND AVERROR_DECODER_NOT_FOUND AVERROR_ENCODER_NOT_FOUND AVERROR_PROTOCOL_NOT_FOUND AVERROR_FILTER_NOT_FOUND AVERROR_BSF_NOT_FOUND AVERROR_STREAM_NOT_FOUND 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from avcodec.h to avcore.h. 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h. 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string() Deprecate avcodec_pix_fmt_string() in favor of pixdesc.h/av_get_pix_fmt_string(). 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc() Add av_image_alloc() to libavcore/imgutils.h. 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter() Add function avfilter_graph_create_filter() in avfiltergraph.h. 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays() Add function avfilter_get_video_buffer_ref_from_arrays() in avfilter.h. 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h Add a public audio channel API in audioconvert.h, and deprecate the corresponding functions in libavcodec: avcodec_get_channel_name() avcodec_get_channel_layout() avcodec_get_channel_layout_string() avcodec_channel_layout_num_channels() and the CH_* macros defined in libavcodec/avcodec.h. 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h Add av_append_packet(). 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h Add av_grow_packet(). 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h Add av_parse_color() declared in libavcore/parseutils.h. 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size fields. 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h Make avfiltergraph.h public. 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h Remove declarations from avfiltergraph.h for the functions: avfilter_graph_check_validity() avfilter_graph_config_links() avfilter_graph_config_formats() which are now internal. Use avfilter_graph_config() instead. 2010-11-08 - r25708 - lavu 50.33.0 - eval.h Deprecate functions: av_parse_and_eval_expr(), av_parse_expr(), av_eval_expr(), av_free_expr(), in favor of the functions: av_expr_parse_and_eval(), av_expr_parse(), av_expr_eval(), av_expr_free(). 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free() Rename avfilter_destroy() to avfilter_free(). This change breaks libavfilter API/ABI. 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h Remove graphparser.h header, move AVFilterInOut and avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h. 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx. This change breaks libavfilter API. 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free() Rename avfilter_graph_destroy() to avfilter_graph_free(). This change breaks libavfilter API/ABI. 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc() Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h. 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt() Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and deprecate av_get_bits_per_sample_format(). 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h Add sample format functions in libavcore/samplefmt.h: av_get_sample_fmt_name(), av_get_sample_fmt(), av_get_sample_fmt_string(), and deprecate the corresponding libavcodec/audioconvert.h functions: avcodec_get_sample_fmt_name(), avcodec_get_sample_fmt(), avcodec_sample_fmt_string(). 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum SampleFormat. 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config() Add the function avfilter_graph_config() in avfiltergraph.h. 2010-10-15 - r25493 - lavf 52.83.0 - metadata API Change demuxers to export metadata in generic format and muxers to accept generic format. Deprecate the public conversion API. 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base Add time_base field to AVFilterLink. 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string() Move av_set_options_string() from libavfilter/parseutils.h to libavutil/opt.h. 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink Make the AVFilterLink fields srcpad and dstpad store the pointers to the source and destination pads, rather than their indexes. 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token() Move av_get_token() from libavfilter/parseutils.h to libavutil/avstring.h. 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h Add the functions sws_alloc_context() and sws_init_context(). 2010-09-26 - r25210 - lavu 50.29.0 - opt.h Move libavcodec/opt.h to libavutil/opt.h. 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags() Default of av_log() changed due to many problems to the old no repeat detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before enabling it for your app!. 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2() Deprecate av_opt_show() in favor or av_opt_show2(). 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount() Add av_popcount() to libavutil/common.h. 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags() Add av_get_cpu_flags(). 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy() Add av_image_copy(). 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane() Add av_image_copy_plane(). 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h Adopt hierarchical scheme for the imgutils.h function names, deprecate the old names. 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_* Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h. 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout() Add avcodec_get_channel_layout() in audioconvert.h. 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps() Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps(). 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep() Add av_fill_image_max_pixstep() in imgutils.h. 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE() Add the AV_NE macro. 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework Implement AVFilterBufferRefAudioProps struct for audio properties, get_audio_buffer(), filter_samples() functions and related changes. 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize() Add av_get_image_linesize() in imgutils.h. 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef Resize data and linesize arrays in AVFilterBufferRef to 8. This change breaks libavfilter API/ABI. 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy() Add av_picture_data_copy in avcodec.h. 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open() Change avfilter_open() signature: AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) -> int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name); This change breaks libavfilter API/ABI. 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef Add a type field to AVFilterBufferRef, and move video specific properties to AVFilterBufferRefVideoProps. This change breaks libavfilter API/ABI. 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink Rename AVFilterLink fields: AVFilterLink.srcpic -> AVFilterLink.src_buf AVFilterLink.cur_pic -> AVFilterLink.cur_buf AVFilterLink.outpic -> AVFilterLink.out_buf 2010-08-07 - r24731 - lavfi 1.30.0 Rename functions and fields: avfilter_(un)ref_pic -> avfilter_(un)ref_buffer avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props AVFilterBufferRef.pic -> AVFilterBufferRef.buffer 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef Rename AVFilterPicRef to AVFilterBufferRef. 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer Move format field from AVFilterBuffer to AVFilterPicRef. 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size() Deprecate avcodec_check_dimensions() in favor of the function av_check_image_size() defined in libavcore/imgutils.h. 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer Increase size of the arrays AVFilterBuffer.data and AVFilterBuffer.linesize from 4 to 8. This change breaks libavfilter ABI. 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h Add functions av_fill_image_linesizes() and av_fill_image_pointers(), declared in libavcore/imgutils.h. 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate() defined in libavcodec in favor of the newly added functions av_parse_video_size() and av_parse_video_rate() declared in libavcore/parseutils.h. 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h Add the M_PHI constant definition. 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization Add a type field to AVFilterLink. Change the field types: enum PixelFormat format -> int format in AVFilterBuffer enum PixelFormat *formats -> int *formats in AVFilterFormats enum PixelFormat *format -> int format in AVFilterLink Change the function signatures: AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); -> AVFilterFormats *avfilter_make_format_list(const int *fmts); int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); -> int avfilter_add_format (AVFilterFormats **avff, int fmt); AVFilterFormats *avfilter_all_colorspaces(void); -> AVFilterFormats *avfilter_all_formats (enum AVMediaType type); This change breaks libavfilter API/ABI. 2010-07-21 - r24393 - lavcore 0.0.0 Add libavcore. 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer Remove w and h fields from AVFilterBuffer. 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer Rename AVFilterPic to AVFilterBuffer. 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip() Make url_fskip() return an int error code instead of void. 2010-07-11 - r24199 - lavc 52.83.0 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields. Add AVLPCType enum. Deprecate AVCodecContext.use_lpc. 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free() Add a function for free the contents of a AVSubtitle generated by avcodec_decode_subtitle. 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h Make the bswap.h and intreadwrite.h API public. 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h Rename read/write_line() to av_read/write_image_line(). 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props() Add avfilter_copy_picref_props(). 2010-07-03 - r24021 - lavc 52.79.0 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL. 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through lfg.h. 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color() Extend av_parse_color() syntax, make it accept an alpha value specifier and set the alpha value to 255 by default. 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class Add priv_data_size and priv_data_class to URLProtocol. 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect() Add url_alloc() and url_connect(). 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2() Add av_register_protocol2(), deprecating av_register_protocol(). 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod() Add av_compare_mod() to libavutil/mathematics.h. 2010-06-05 - r23485 - lavu 50.18.0 - eval API Make the eval API public. 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE Add AV_BASE64_SIZE() macro. 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string() Add av_get_codec_tag_string(). 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24(). 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL Add CODEC_CAP_EXPERIMENTAL flag. 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed() Add av_get_random_seed(). 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags. 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef Add interlaced and top_field_first fields to AVFilterPicRef. 2010-05-01 - r23002 - lavf 52.62.0 - probe function Add av_probe_input_format2 to API, it allows ignoring probe results below given score and returns the actual probe score. 2010-04-01 - r22806 - lavf 52.61.0 - metadata API Add a flag for av_metadata_set2() to disable overwriting of existing tags. 2010-04-01 - r22753 - lavc 52.66.0 Add avcodec_get_edge_width(). 2010-03-31 - r22750 - lavc 52.65.0 Add avcodec_copy_context(). 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext() Make av_match_ext() public. 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType Move AVMediaType enum from libavcodec to libavutil. 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType Define AVMediaType enum, and use it instead of enum CodecType, which is deprecated and will be dropped at the next major bump. 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror() Implement av_strerror(). 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init() Support DCT-I and DST-I. 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime Add AVFormatContext.start_time_realtime field. 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos Add AVFilterPicRef.pos field. 2010-03-13 - r22501 - lavu 50.12.0 - error.h Move error code definitions from libavcodec/avcodec.h to the new public header libavutil/error.h. 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h Add public FFT interface. 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr() Add av_stristr(). 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate() Add av_tree_enumerate(). 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts() Add av_compare_ts(). 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients() Add sws_getCoefficients(). 2010-02-01 - r21587 - lavf 52.50.0 - metadata API Add a list of generic tag names, change 'author' -> 'artist', 'year' -> 'date'. 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt() Add av_get_pix_fmt(). 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale() Change constness attributes of sws_scale() parameters. 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links() Add a log_ctx parameter to avfilter_graph_config_links(). 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put() Add sws_isSupportedInput() and sws_isSupportedOutput() functions. 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace() Change the avfilter_add_colorspace() signature, make it accept an (AVFilterFormats **) rather than an (AVFilterFormats *) as before. 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace() Add avfilter_add_colorspace(). 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext() Add av_match_ext(), it should be used in place of match_ext(). 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format() Add av_guess_format(), it should be used in place of guess_format(). 2009-12-13 - r20834 - lavf 52.43.0 - metadata API Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and AV_METADATA_DONT_STRDUP_VAL. 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API Add av_d2str(). 2009-12-13 - r20826 - lavc 52.42.0 - AVStream Add avg_frame_rate.