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FFmpeg/doc/APIchanges
Stefano Sabatini d22e9795e6 Fix typo. 
Originally committed as revision 25924 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-12-09 17:34:44 +00:00

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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:
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.
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
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