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: ?libavdevice: ?libavfilter: 2009-10-18libavformat: ?libpostproc: ?libswscale: ?libavutil: 2009-03-08 API changes, most recent first: 2010-07-11 - r????? - lavc 52.83.0 Add AVCodecContext.lpc_type and Add 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. 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next() Introduce the av_bmg_next() function. 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice() Add a slice_dir parameter to avfilter_draw_slice(). 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter Remove the next field from AVFilter, this is not anymore required. 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next() Introduce the avfilter_next() function. 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register() Change the signature of avfilter_register() to make it return an int. This is required since now the registration operation may fail. 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API Make the pixdesc.h API public. 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next Add a next field to AVFilter, this is used for simplifying the registration and management of the registered filters. 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description Add a description field to AVFilter. 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list() Change the interface of avfilter_make_format_list() from avfilter_make_format_list(int n, ...) to avfilter_make_format_list(enum PixelFormat *pix_fmts). 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer() Make avfilter_get_video_buffer() recursive and add the w and h parameters to it. 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic Add w and h fields to AVFilterPic. 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size This is now an unsigned int instead of a signed int. 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts Add a pts field to AVSubtitle which gives the subtitle packet pts in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will not work right without this. 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY PKT_FLAG_KEY has been deprecated and will be dropped at the next major version. Use AV_PKT_FLAG_KEY instead. 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register() av_lockmgr_register() can be used to register a callback function that lavc (and in the future, libraries that depend on lavc) can use to implement mutexes. The application should provide a callback function that implements the AV_LOCK_* operations described in avcodec.h. When the lock manager is registered, FFmpeg is guaranteed to behave correctly in a multi-threaded application. 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet() av_free_packet() is no longer an inline function. It is now exported. 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree() Please use NULL instead. This has been supported since r16506 (lavf > 52.23.1, lavc > 52.10.0). 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle The old decoding functions are deprecated, all new code should use the new functions avcodec_decode_video2(), avcodec_decode_audio3() and avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt argument instead of a const uint8_t *buf / int buf_size pair. 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space() Introduce the av_fifo_space() function. 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket Move AVPacket declaration from libavformat/avformat.h to libavcodec/avcodec.h. 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR, PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values. Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and PIX_FMT_BGR32_1 are now macros. avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases. Re-sort the enum PixelFormat list accordingly. This change breaks API/ABI backward compatibility. 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants Add the enum PixelFormat values: PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE, PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE. 2009-03-21 - r18116 - lavu 50.0.0 - av_random* The Mersenne Twister PRNG implemented through the av_random* functions was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions instead. 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write and av_fifo_realloc2. In addition, the order of the function arguments of av_fifo_generic_read was changed to match av_fifo_generic_write. The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by applications, they may not use sizeof() or directly access members. 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API Introduce a new metadata API (see av_metadata_get() and friends). The old API is now deprecated and should not be used anymore. This especially includes the following structure fields: - AVFormatContext.title - AVFormatContext.author - AVFormatContext.copyright - AVFormatContext.comment - AVFormatContext.album - AVFormatContext.year - AVFormatContext.track - AVFormatContext.genre - AVStream.language - AVStream.filename - AVProgram.provider_name - AVProgram.name - AVChapter.title
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: ?
libavdevice: ?
libavfilter: 2009-10-18
libavformat: ?
libpostproc: ?
libswscale: ?
libavutil: 2009-03-08
API changes, most recent first:
2010-07-11 - r????? - lavc 52.83.0
Add AVCodecContext.lpc_type and Add 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.
2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
Introduce the av_bmg_next() function.
2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
Add a slice_dir parameter to avfilter_draw_slice().
2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
Remove the next field from AVFilter, this is not anymore required.
2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
Introduce the avfilter_next() function.
2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
Change the signature of avfilter_register() to make it return an
int. This is required since now the registration operation may fail.
2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
Make the pixdesc.h API public.
2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
Add a next field to AVFilter, this is used for simplifying the
registration and management of the registered filters.
2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
Add a description field to AVFilter.
2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
Change the interface of avfilter_make_format_list() from
avfilter_make_format_list(int n, ...) to
avfilter_make_format_list(enum PixelFormat *pix_fmts).
2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
Make avfilter_get_video_buffer() recursive and add the w and h
parameters to it.
2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
Add w and h fields to AVFilterPic.
2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
This is now an unsigned int instead of a signed int.
2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
Add a pts field to AVSubtitle which gives the subtitle packet pts
in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
not work right without this.
2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
PKT_FLAG_KEY has been deprecated and will be dropped at the next
major version. Use AV_PKT_FLAG_KEY instead.
2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
av_lockmgr_register() can be used to register a callback function
that lavc (and in the future, libraries that depend on lavc) can use
to implement mutexes. The application should provide a callback function
that implements the AV_LOCK_* operations described in avcodec.h.
When the lock manager is registered, FFmpeg is guaranteed to behave
correctly in a multi-threaded application.
2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
av_free_packet() is no longer an inline function. It is now exported.
2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
Please use NULL instead. This has been supported since r16506
(lavf > 52.23.1, lavc > 52.10.0).
2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
The old decoding functions are deprecated, all new code should use the
new functions avcodec_decode_video2(), avcodec_decode_audio3() and
avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
argument instead of a const uint8_t *buf / int buf_size pair.
2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
Introduce the av_fifo_space() function.
2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
Move AVPacket declaration from libavformat/avformat.h to
libavcodec/avcodec.h.
2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
PIX_FMT_BGR32_1 are now macros.
avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
Re-sort the enum PixelFormat list accordingly.
This change breaks API/ABI backward compatibility.
2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
Add the enum PixelFormat values:
PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
2009-03-21 - r18116 - lavu 50.0.0 - av_random*
The Mersenne Twister PRNG implemented through the av_random* functions
was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
instead.
2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
and av_fifo_realloc2.
In addition, the order of the function arguments of av_fifo_generic_read
was changed to match av_fifo_generic_write.
The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
applications, they may not use sizeof() or directly access members.
2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
Introduce a new metadata API (see av_metadata_get() and friends).
The old API is now deprecated and should not be used anymore. This especially
includes the following structure fields:
- AVFormatContext.title
- AVFormatContext.author
- AVFormatContext.copyright
- AVFormatContext.comment
- AVFormatContext.album
- AVFormatContext.year
- AVFormatContext.track
- AVFormatContext.genre
- AVStream.language
- AVStream.filename
- AVProgram.provider_name
- AVProgram.name
- AVChapter.title