Newer
Older
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.
The last version increases were:
libavcodec: 2013-03-xx
libavdevice: 2013-03-xx
libavfilter: 2012-06-22
libavformat: 2013-03-xx
API changes, most recent first:
2013-05-xx - xxxxxxx - lavfi 3.10.0 - 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-xx-xx - xxxxxxx - lavu 52.12.0 - cpu.h
Add av_cpu_count() function for getting the number of logical CPUs.
2013-05-xx - xxxxxxx - lavc 55.7.0 - avcodec.h
Add picture_structure to AVCodecParserContext.
2013-05-xx - xxxxxxx - lavu 52.11.0 - pixdesc.h
Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.
2013-04-xx - xxxxxxx - lavc 55.4.0 - avcodec.h
Add field_order to AVCodecParserContext.
2013-03-xx - xxxxxxx - lavc 55.2.0 - avcodec.h
Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.
2013-04-11 - lavfi 3.8.0
38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate
avfilterhraph.h, user applications should include just avfilter.h
bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
avfilter_graph_add_filter().
1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
filter.
48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().
1ba95a9 - Add avfilter_init_dict().
7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.
7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.
fa2a34c - Add avfilter_next(), deprecate av_filter_next().
Deprecate avfilter_uninit().
2013-04-09 - lavfi 3.7.0 - avfilter.h
b439c99 - Add AVFilter.priv_class for exporting filter options through the
AVOptions API in the similar way private options work in lavc and lavf.
8114c10 - Add avfilter_get_class().
Switch all filters to use AVOptions.
2013-03-19 - 2c328a9 - lavu 52.9.0 - pixdesc.h
Add av_pix_fmt_count_planes() function for counting planes in a pixel format.
2013-03-16 - 42c7c61 - lavfi 3.6.0
Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
2013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,
lavd 54.0.0, lavfi 3.5.0
8e401db, 1cec062 - add a new API for reference counted buffers and buffer
pools (new header libavutil/buffer.h).
1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.
Add av_packet_from_data() function for constructing packets from
av_malloc()ed data.
7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add
AVFrame.buf/extended_buf to allow reference counting for the AVFrame
data. Add new API for working with reference-counted AVFrames.
759001c - add the refcounted_frames field to AVCodecContext to make audio and
video decoders return reference-counted frames. Add get_buffer2()
callback to AVCodecContext which allocates reference-counted frames.
Add avcodec_default_get_buffer2() as the default get_buffer2()
implementation.
Deprecate AVCodecContext.get_buffer() / release_buffer() /
reget_buffer(), avcodec_default_get_buffer(),
avcodec_default_reget_buffer(), avcodec_default_release_buffer().
Remove avcodec_default_free_buffers(), which should not have ever
been called from outside of lavc.
Deprecate the following AVFrame fields:
* base -- is now stored in AVBufferRef
* reference, type, buffer_hints -- are unnecessary in the new API
* hwaccel_picture_private, owner, thread_opaque -- should not
have been acessed from outside of lavc
* qscale_table, qstride, qscale_type, mbskip_table, motion_val,
mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,
which are not exported anymore.
7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add
av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().
Add av_buffersink_get_frame() and av_buffersink_get_samples(),
deprecate av_buffersink_read() and av_buffersink_read_samples().
Deprecate AVFilterBufferRef and all functions for working with it.
2013-03-17 - 12c5c1d - lavu 52.8.0 - avstring.h
Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.
2013-02-23 - 9f12235 - lavfi 3.4.0 - avfiltergraph.h
Add resample_lavr_opts to AVFilterGraph for setting libavresample options
for auto-inserted resample filters.
2013-01-25 - 38c1466 - lavu 52.7.0 - dict.h
Add av_dict_parse_string() to set multiple key/value pairs at once from a
string.
2013-01-25 - b85a5e8 - lavu 52.6.0 - avstring.h
2013-01-15 - 8ee288d - lavu 52.5.0 - hmac.h
2013-01-13 - 44e065d - lavc 54.36.0 - vdpau.h
Add AVVDPAUContext struct for VDPAU hardware-accelerated decoding.
2013-01-12 - 169fb94 - lavu 52.4.0 - pixdesc.h
Add AV_PIX_FMT_VDPAU flag.
2013-01-07 - 074a00d - lavr 1.1.0
Add avresample_set_channel_mapping() for input channel reordering,
duplication, and silencing.
2012-12-29 - d8fd06c - lavu 52.3.0 - avstring.h
Add av_basename() and av_dirname().
2012-11-11 - 5980f5d - lavu 52.2.0 - audioconvert.h
Justin Ruggles
committed
Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.
2012-11-05 - dfde8a3 - lavu 52.1.0 - intmath.h
Add av_ctz() for trailing zero bit count
2012-10-21 - a893655 - lavu 51.45.0 - error.h
2012-10-12 - d2fcb35 - lavu 51.44.0 - pixdesc.h
Add functions for accessing pixel format descriptors.
Accessing the av_pix_fmt_descriptors array directly is now
deprecated.
2012-10-11 - 9a92aea - lavu 51.43.0 - aes.h, md5.h, sha.h, tree.h
Add functions for allocating the opaque contexts for the algorithms,
deprecate the context size variables.
2012-10-10 - b522000 - lavf 54.18.0 - avio.h
Add avio_closep to complement avio_close.
2012-10-08 - 78071a1 - lavu 51.42.0 - pixfmt.h
Rename PixelFormat to AVPixelFormat and all PIX_FMT_* to AV_PIX_FMT_*.
To provide backwards compatibility, PixelFormat is now #defined as
AVPixelFormat.
Note that this can break user code that includes pixfmt.h and uses the
'PixelFormat' identifier. Such code should either #undef PixelFormat
or stop using the PixelFormat name.
2012-10-05 - e7ba5b1 - lavr 1.0.0 - avresample.h
Data planes parameters to avresample_convert() and
avresample_read() are now uint8_t** instead of void**.
Libavresample is now stable.
2012-09-24 - a42aada - lavc 54.28.0 - avcodec.h
Add avcodec_free_frame(). This function must now
be used for freeing an AVFrame.
2012-09-12 - 8919fee - lavu 51.41.0 - audioconvert.h
Added AV_CH_LOW_FREQUENCY_2 channel mask value.
2012-09-04 - 686a329 - lavu 51.40.0 - opt.h
Reordered the fields in default_val in AVOption, changed which
default_val field is used for which AVOptionType.
2012-08-30 - a231832 - lavc 54.26.1 - avcodec.h
Add codec descriptor properties AV_CODEC_PROP_LOSSY and
AV_CODEC_PROP_LOSSLESS.
2012-08-18 - lavc 54.26 - avcodec.h
Add codec descriptors for accessing codec properties without having
to refer to a specific decoder or encoder.
c223d79 - Add an AVCodecDescriptor struct and functions
avcodec_descriptor_get() and avcodec_descriptor_next().
51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.
91e59fe - Add avcodec_descriptor_get_by_name().
2012-08-08 - 1d9c2dc - lavu 51.39 - avutil.h
Don't implicitly include libavutil/common.h in avutil.h
2012-08-08 - 987170c - lavu 51.38 - dict.h
2012-08-07 - 104e10f - lavc 54.25 - avcodec.h
Rename CodecID to AVCodecID and all CODEC_ID_* to AV_CODEC_ID_*.
To provide backwards compatibility, CodecID is now #defined as AVCodecID.
Note that this can break user code that includes avcodec.h and uses the
'CodecID' identifier. Such code should either #undef CodecID or stop using the
CodecID name.
2012-08-03 - 239fdf1 - lavu 51.37.1 - cpu.h
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