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FFmpeg/doc/APIchanges

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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: 2012-01-27
libavdevice: 2011-04-18
libavfilter: 2011-04-18
libavformat: 2012-01-27
libavresample: 2012-04-24
libpostproc: 2011-04-18
libswresample: 2011-09-19
libswscale: 2011-06-20
libavutil: 2011-04-18
API changes, most recent first:
2012-04-20 - xxxxxxx - lavfi 2.70.100
Add avfilter_unref_bufferp() to avfilter.h.
2012-04-12 - xxxxxxx - lavfi 2.68.100
Install libavfilter/asrc_abuffer.h public header.
2012-03-26 - a67d9cf - lavfi 2.66.100
Add avfilter_fill_frame_from_{audio_,}buffer_ref() functions.
2012-xx-xx - xxxxxxx - lavr 0.0.1
Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.
2012-04-25 - 3527a73 - lavu 51.29.0 - cpu.h
Add av_parse_cpu_flags()
2012-04-24 - c8af852 - lavr 0.0.0
Add libavresample audio conversion library
2012-04-20 - 0c0d1bc - lavu 51.28.0 - audio_fifo.h
Add audio FIFO functions:
av_audio_fifo_free()
av_audio_fifo_alloc()
av_audio_fifo_realloc()
av_audio_fifo_write()
av_audio_fifo_read()
av_audio_fifo_drain()
av_audio_fifo_reset()
av_audio_fifo_size()
av_audio_fifo_space()
2012-04-14 - lavfi 2.16.0 - avfiltergraph.h
d7bcc71 Add avfilter_graph_parse2().
2012-04-08 - 4d693b0 - lavu 51.27.0 - samplefmt.h
Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()
2012-03-21 - b75c67d - lavu 51.43.100
Add bprint.h for bprint API.
2012-02-21 - 9cbf17e - lavc 54.4.100
Add av_get_pcm_codec() function.
2012-02-16 - 560b224 - libswr 0.7.100
Add swr_set_matrix() function.
2012-02-09 - c28e7af - lavu 51.39.100
Add a new installed header libavutil/timestamp.h with timestamp
utilities.
2012-02-06 - 70ffda3 - lavu 51.38.100
Add av_parse_ratio() function to parseutils.h.
2012-02-06 - 70ffda3 - lavu 51.38.100
Add AV_LOG_MAX_OFFSET macro to log.h.
2012-02-02 - 0eaa123 - lavu 51.37.100
Add public timecode helpers.
2012-01-24 - 0c3577b - lavfi 2.60.100
Add avfilter_graph_dump.
2012-03-05 - lavc 54.8.0
6699d07 Add av_get_exact_bits_per_sample()
9524cf7 Add av_get_audio_frame_duration()
2012-03-04 - 44fe77b - lavc 54.7.0 - avcodec.h
Add av_codec_is_encoder/decoder().
2012-03-01 - 442c132 - lavc 54.3.0 - avcodec.h
Add av_packet_shrink_side_data.
2012-02-29 - dd2a4bc - lavf 54.2.0 - avformat.h
Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,
used for dealing with attached pictures/cover art.
2012-02-25 - c9bca80 - lavu 51.24.0 - error.h
Add AVERROR_UNKNOWN
NOTE: this was backported to 0.8
2012-02-20 - e9cda85 - lavc 54.2.0
Add duration field to AVCodecParserContext
2012-02-20 - 0b42a93 - lavu 51.23.1 - mathematics.h
Add av_rescale_q_rnd()
2012-02-08 - 38d5533 - lavu 51.22.1 - pixdesc.h
Add PIX_FMT_PSEUDOPAL flag.
2012-02-08 - 52f82a1 - lavc 54.01.0
Add avcodec_encode_video2() and deprecate avcodec_encode_video().
2012-02-01 - 316fc74 - lavc 54.01.0
Add av_fast_padded_malloc() as alternative for av_realloc() when aligned
memory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZE
zero-padded bytes at the end.
2012-01-31 - dd6d3b0 - lavf 54.01.0
Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
NOTE: this was backported to 0.8
2012-01-31 - af08d9a - lavc 54.01.0
Add avcodec_is_open() function.
NOTE: this was backported to 0.8
2012-01-30 - 8b93312 - lavu 51.22.0 - intfloat.h
Add a new installed header libavutil/intfloat.h with int/float punning
functions.
NOTE: this was backported to 0.8
2012-01-25 - lavf 53.22.0
f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible
buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for
muxers supporting it (av_write_frame makes sure it is called
only for muxers with this flag).
2012-01-15 - lavc 53.34.0
New audio encoding API:
b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio
encoders.
5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.
b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().
Add AVCodec.encode2().
2012-01-12 - 3167dc9 - lavfi 2.15.0
Add a new installed header -- libavfilter/version.h -- with version macros.
2011-12-08 - a502939 - lavfi 2.52.0
Add av_buffersink_poll_frame() to buffersink.h.
2011-12-08 - 26c6fec - lavu 51.31.0
Add av_log_format_line.
2011-12-03 - 976b095 - lavu 51.30.0
Add AVERROR_BUG.
2011-11-24 - 573ffbb - lavu 51.28.1
Add av_get_alt_sample_fmt() to samplefmt.h.
2011-11-03 - 96949da - lavu 51.23.0
Add av_strcasecmp() and av_strncasecmp() to avstring.h.
2011-10-20 - b35e9e1 - lavu 51.22.0
Add av_strtok() to avstring.h.
2011-01-03 - b73ec05 - lavu 51.21.0
Add av_popcount64
2011-12-18 - 8400b12 - lavc 53.28.1
Deprecate AVFrame.age. The field is unused.
2011-12-12 - 5266045 - lavf 53.17.0
Add avformat_close_input().
Deprecate av_close_input_file() and av_close_input_stream().
2011-12-02 - 0eea212 - lavc 53.25.0
Add nb_samples and extended_data fields to AVFrame.
Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.
Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().
avcodec_decode_audio4() writes output samples to an AVFrame, which allows
audio decoders to use get_buffer().
2011-12-04 - 560f773 - lavc 53.24.0
Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.
Change AVPicture.data[4]/linesize[4] to [8] at next major bump.
Change AVCodecContext.error[4] to [8] at next major bump.
Add AV_NUM_DATA_POINTERS to simplify the bump transition.
2011-11-23 - bbb46f3 - lavu 51.18.0
Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
av_samples_alloc(), to samplefmt.h.
2011-11-23 - 8889cc4 - lavu 51.17.0
Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.
2011-11-19 - f3a29b7 - lavc 53.21.0
Move some AVCodecContext fields to a new private struct, AVCodecInternal,
which is accessed from a new field, AVCodecContext.internal.
- fields moved:
AVCodecContext.internal_buffer --> AVCodecInternal.buffer
AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count
AVCodecContext.is_copy --> AVCodecInternal.is_copy
2011-11-16 - 6270671 - lavu 51.16.0
Add av_timegm()
2011-11-13 - lavf 53.15.0
New interrupt callback API, allowing per-AVFormatContext/AVIOContext
interrupt callbacks.
6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to
AVFormatContext.
1dee0ac Add avio_open2() with additional parameters. Those are
an interrupt callback and an options AVDictionary.
This will allow passing AVOptions to protocols after lavf
54.0.
2011-11-06 - ba04ecf - lavu 51.14.0
Add av_strcasecmp() and av_strncasecmp() to avstring.h.
2011-11-06 - 07b172f - lavu 51.13.0
Add av_toupper()/av_tolower()
2011-11-05 - b6d08f4 - lavf 53.13.0
Add avformat_network_init()/avformat_network_deinit()
2011-10-27 - 512557b - lavc 53.15.0
Remove avcodec_parse_frame.
Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.
2011-10-19 - 569129a - lavf 53.10.0
Add avformat_new_stream(). Deprecate av_new_stream().
2011-10-13 - b631fba - lavf 53.9.0
Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.
2011-10-12 - lavu 51.12.0
AVOptions API rewrite.
- 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*
- new setting/getting functions with slightly different semantics:
dac66da av_set_string3 -> av_opt_set
av_set_double -> av_opt_set_double
av_set_q -> av_opt_set_q
av_set_int -> av_opt_set_int
41d9d51 av_get_string -> av_opt_get
av_get_double -> av_opt_get_double
av_get_q -> av_opt_get_q
av_get_int -> av_opt_get_int
- 8c5dcaa trivial rename av_next_option -> av_opt_next
- 641c7af new functions - av_opt_child_next, av_opt_child_class_next
and av_opt_find2()
2011-09-22 - a70e787 - lavu 51.17.0
Add av_x_if_null().
2011-09-18 - 645cebb - lavc 53.16.0
Add showall flag2
2011-09-16 - ea8de10 - lavfi 2.42.0
Add avfilter_all_channel_layouts.
2011-09-16 - 9899037 - lavfi 2.41.0
Rename avfilter_all_* function names to avfilter_make_all_*.
In particular, apply the renames:
avfilter_all_formats -> avfilter_make_all_formats
avfilter_all_channel_layouts -> avfilter_make_all_channel_layouts
avfilter_all_packing_formats -> avfilter_make_all_packing_formats
2011-09-12 - 4381bdd - lavfi 2.40.0
Change AVFilterBufferRefAudioProps.sample_rate type from uint32_t to int.
2011-09-12 - 2c03174 - lavfi 2.40.0
Simplify signature for avfilter_get_audio_buffer(), make it
consistent with avfilter_get_video_buffer().
2011-09-06 - 4f7dfe1 - lavfi 2.39.0
Rename libavfilter/vsink_buffer.h to libavfilter/buffersink.h.
2011-09-06 - c4415f6 - lavfi 2.38.0
Unify video and audio sink API.
In particular, add av_buffersink_get_buffer_ref(), deprecate
av_vsink_buffer_get_video_buffer_ref() and change the value for the
opaque field passed to the abuffersink init function.
2011-09-04 - 61e2e29 - lavu 51.16.0
Add av_asprintf().
2011-08-22 - dacd827 - lavf 53.10.0
Add av_find_program_from_stream().
2011-08-20 - 69e2c1a - lavu 51.13.0
Add av_get_media_type_string().
2011-09-03 - fb4ca26 - lavc 53.13.0
lavf 53.11.0
lsws 2.1.0
Add {avcodec,avformat,sws}_get_class().
2011-08-03 - c11fb82 - lavu 51.15.0
Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
2011-08-14 - 323b930 - lavu 51.12.0
Add av_fifo_peek2(), deprecate av_fifo_peek().
2011-08-26 - lavu 51.9.0
- add41de..abc78a5 Do not include intfloat_readwrite.h,
mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.
2011-08-16 - 48f9e45 - lavf 53.8.0
Add avformat_query_codec().
2011-08-16 - bca06e7 - lavc 53.11.0
Add avcodec_get_type().
2011-08-06 - 2f63440 - lavf 53.7.0
Add error_recognition to AVFormatContext.
2011-08-02 - 9d39cbf - lavc 53.9.1
Add AV_PKT_FLAG_CORRUPT AVPacket flag.
2011-07-16 - b57df29 - lavfi 2.27.0
Add audio packing negotiation fields and helper functions.
In particular, add AVFilterPacking enum, planar, in_packings and
out_packings fields to AVFilterLink, and the functions:
avfilter_set_common_packing_formats()
avfilter_all_packing_formats()
2011-07-10 - a67c061 - lavf 53.6.0
Add avformat_find_stream_info(), deprecate av_find_stream_info().
NOTE: this was backported to 0.7
2011-07-10 - 0b950fe - lavc 53.8.0
Add avcodec_open2(), deprecate avcodec_open().
NOTE: this was backported to 0.7
Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and
avcodec_alloc_context2().
2011-07-01 - b442ca6 - lavf 53.5.0 - avformat.h
Add function av_get_output_timestamp().
2011-06-28 - 5129336 - lavu 51.11.0 - avutil.h
Define the AV_PICTURE_TYPE_NONE value in AVPictureType enum.
2011-06-19 - fd2c0a5 - lavfi 2.23.0 - avfilter.h
Add layout negotiation fields and helper functions.
In particular, add in_chlayouts and out_chlayouts to AVFilterLink,
and the functions:
avfilter_set_common_sample_formats()
avfilter_set_common_channel_layouts()
avfilter_all_channel_layouts()
2011-06-19 - 527ca39 - lavfi 2.22.0 - AVFilterFormats
Change type of AVFilterFormats.formats from int * to int64_t *,
and update formats handling API accordingly.
avfilter_make_format_list() still takes a int32_t array and converts
it to int64_t. A new function, avfilter_make_format64_list(), that
takes int64_t arrays has been added.
2011-06-19 - 44f669e - lavfi 2.21.0 - vsink_buffer.h
Add video sink buffer and vsink_buffer.h public header.
2011-06-12 - 9fdf772 - lavfi 2.18.0 - avcodec.h
Add avfilter_get_video_buffer_ref_from_frame() function in
libavfilter/avcodec.h.
2011-06-12 - c535494 - lavfi 2.17.0 - avfiltergraph.h
Add avfilter_inout_alloc() and avfilter_inout_free() functions.
2011-06-12 - 6119b23 - lavfi 2.16.0 - avfilter_graph_parse()
Change avfilter_graph_parse() signature.
2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
Add av_printf_format().
2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
Add avformat_open_input and avformat_write_header().
Deprecate av_open_input_stream, av_open_input_file,
AVFormatParameters and av_write_header.
2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
Add av_opt_set_dict() and av_opt_find().
Deprecate av_find_opt().
Add AV_DICT_APPEND flag.
2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
Add av_opt_flag_is_set().
2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays
Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.
2011-06-09 - d9f80ea - lavu 51.8.0 - AVMetadata
Move AVMetadata from lavf to lavu and rename it to
AVDictionary -- new installed header dict.h.
All av_metadata_* functions renamed to av_dict_*.
2011-06-07 - a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()
Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
Deprecate av_get_bits_per_sample_fmt().
2011-06-05 - b39b062 - lavu 51.8.0 - opt.h
Add av_opt_free convenience function.
2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps
Remove AVFilterBufferRefAudioProps.size, and use nb_samples in
avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in
place of size.
2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()
Switch nb_channels and nb_samples parameters order in
av_samples_alloc().
2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*
Change the data layout created by av_samples_fill_arrays() and
av_samples_alloc().
2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h
Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional
flags parameter in input.
2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()
Add avfilter_link_free() function.
2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()
Add av_cpu_flags() in libavutil/cpu.h.
2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h
Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
2011-05-25 - 30315a8 - lavf 53.3.0 - avformat.h
Add fps_probe_size to AVFormatContext.
2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h
Introduce avformat_alloc_output_context2() and deprecate
avformat_alloc_output_context().
2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h
Make libavfilter/vsrc_buffer.h public.
2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h
Add av_vsrc_buffer_add_frame() to libavfilter/avcodec.h.
2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h
Add avfilter_get_video_buffer_ref_from_frame() to libavfilter/avcodec.h.
2011-05-18 - 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt
Add request_sample_fmt field to AVCodecContext.
2011-05-10 - 188dea1 - lavc 53.6.0 - avcodec.h
Deprecate AVLPCType and the following fields in
AVCodecContext: lpc_coeff_precision, prediction_order_method,
min_partition_order, max_partition_order, lpc_type, lpc_passes.
Corresponding FLAC encoder options should be used instead.
2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h
Add libavfilter/avcodec.h header and avfilter_copy_frame_props()
function.
2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame
Add format field to AVFrame.
2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame
Add width and height fields to AVFrame.
2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h
Rename AVFilterBufferRefVideoProps.pixel_aspect to
sample_aspect_ratio.
2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame
Add a sample_aspect_ratio field to AVFrame.
2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame
Add a pkt_pos field to AVFrame.
2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h
Add av_dynarray_add function for adding
an element to a dynamic array.
2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
Add AVPictureType enum and av_get_picture_type_char(), deprecate
FF_*_TYPE defines and av_get_pict_type_char() defined in
libavcodec/avcodec.h.
2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
Add pict_type and key_frame fields to AVFilterBufferRefVideo.
2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
Add sample_aspect_ratio fields to vsrc_buffer arguments
2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
2011-04-15 - lavc 52.120.0 - avcodec.h
AVPacket structure got additional members for passing side information:
4de339e introduce side information for AVPacket
2d8591c make containers pass palette change in AVPacket
2011-04-12 - lavf 52.107.0 - avio.h
Avio cleanup, part II - deprecate the entire URLContext API:
175389c add avio_check as a replacement for url_exist
ff1ec0c add avio_pause and avio_seek_time as replacements
for _av_url_read_fseek/fpause
cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
should be used instead.
80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
f87b1b3 rename open flags: URL_* -> AVIO_*
f8270bb add avio_enum_protocols.
5593f03 deprecate URLProtocol.
c486dad deprecate URLContext.
026e175 deprecate the typedef for URLInterruptCB
8e76a19 deprecate av_register_protocol2.
b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
1305d93 deprecate av_url_read_seek
fa104e1 deprecate av_url_read_pause
727c7aa deprecate url_get_filename().
5958df3 deprecate url_max_packet_size().
1869ea0 deprecate url_get_file_handle().
32a97d4 deprecate url_filesize().
e52a914 deprecate url_close().
58a48c6 deprecate url_seek().
925e908 deprecate url_write().
dce3756 deprecate url_read_complete().
bc371ac deprecate url_read().
0589da0 deprecate url_open().
62eaaea deprecate url_connect.
5652bb9 deprecate url_alloc.
333e894 deprecate url_open_protocol
e230705 deprecate url_poll and URLPollEntry
2011-04-08 - lavf 52.106.0 - avformat.h
Minor avformat.h cleanup:
a9bf9d8 deprecate av_guess_image2_codec
c3675df rename avf_sdp_create->av_sdp_create
2011-04-03 - lavf 52.105.0 - avio.h
Large-scale renaming/deprecating of AVIOContext-related functions:
724f6a0 deprecate url_fdopen
403ee83 deprecate url_open_dyn_packet_buf
6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
8978fed introduce an AVIOContext.seekable field as a replacement for
AVIOContext.is_streamed and url_is_streamed()
b64030f deprecate get_checksum()
4c4427a deprecate init_checksum()
4ec153b deprecate udp_set_remote_url/get_local_port
933e90a deprecate av_url_read_fseek/fpause
8d9769a deprecate url_fileno
b7f2fdd rename put_flush_packet -> avio_flush
35f1023 deprecate url_close_buf
83fddae deprecate url_open_buf
d9d86e0 rename url_fprintf -> avio_printf
59f65d9 deprecate url_setbufsize
3e68b3b deprecate url_ferror
e8bb2e2 deprecate url_fget_max_packet_size
76aa876 rename url_fsize -> avio_size
e519753 deprecate url_fgetc
655e45e deprecate url_fgets
a2704c9 rename url_ftell -> avio_tell
e16ead0 deprecate get_strz() in favor of avio_get_str
0300db8,2af07d3 rename url_fskip -> avio_skip
6b4aa5d rename url_fseek -> avio_seek
61840b4 deprecate put_tag
22a3212 rename url_fopen/fclose -> avio_open/close.
0ac8e2b deprecate put_nbyte
77eb550 rename put_byte -> avio_w8
put_[b/l]e<type> -> avio_w[b/l]<type>
put_buffer -> avio_write
b7effd4 rename get_byte -> avio_r8,
get_[b/l]e<type> -> avio_r[b/l]<type>
get_buffer -> avio_read
b3db9ce deprecate get_partial_buffer
8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
Add audio_service_type field to AVCodecContext.
2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h
Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
source stream timebase for outputting timestamps. Deprecate
av_pkt_dump and av_pkt_dump_log.
2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
* e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
original, and move it to a private header so it is no longer
part of our public API. Instead, use av_alloc_put_byte().
* ae628ec - rename ByteIOContext to AVIOContext.
2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
lavu 52.39.0 - parseutils.h
* 610219a - Add av_ prefix to dump_format().
* f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
* ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
2011-02-15 - lavu 52.38.0 - merge libavcore
libavcore is merged back completely into libavutil
2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
Add vbv_delay field to AVCodecContext
2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
Add sample_aspect_ratio field to AVFilterLink.
2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
set thread_count before calling avcodec_open.
2011-02-09 - 778b08a - lavc 52.111.0 - threading API
Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
Add thread_type and active_thread_type fields to AVCodecContext.
2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
Add av_probe_input_buffer() to avformat.h for probing format from a
ByteIOContext.
2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
Add avformat_free_context() in avformat.h.
2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
Add CODEC_ID_PRORES to avcodec.h.
2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
Add defines for H.264 * Constrained Baseline and Intra profiles
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.
2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer
Add sample_aspect_ratio fields to vsrc_buffer arguments
2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio
Add sample_aspect_ratio field to AVFilterLink.
2011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
2011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()
Add av_metadata_copy() in avformat.h.
2011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque
Deprecate reordered_opaque in favor of pkt_pts/dts.
2011-01-07 - 1919fea - 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 - 393cbb9 - lavc 52.105.0 - pkt_pts
Add pkt_pts to AVFrame.
2011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()
Add av_get_profile_name to libavcodec/avcodec.h.
2010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
Add AV_PERM_NEG_LINESIZES in avfilter.h.
2010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()
Add av_find_best_stream to libavformat/avformat.h.
2010-12-27 - 107a7e3 - lavf 52.90.0
Add AVFMT_NOSTREAMS flag for formats with no streams,
like e.g. text metadata.
2010-12-22 - 0328b9e - lavu 50.36.0 - file.h
Add functions av_file_map() and av_file_unmap() in file.h.
2010-12-19 - 0bc55f5 - 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 - c61cdd0 - 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 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
2010-12-04 - bb4afa1 - 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 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()
Add av_image_alloc() to libavcore/imgutils.h.
2010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()
Add function avfilter_graph_create_filter() in avfiltergraph.h.
2010-11-25 - 4723bc2 - 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 - 176a615 - 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 - 6bfc268 - lavf 52.85.0 - avformat.h
Add av_append_packet().
2010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h
Add av_grow_packet().
2010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h
Add av_parse_color() declared in libavcore/parseutils.h.
2010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext
Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
fields.
2010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h
Make avfiltergraph.h public.
2010-11-13 - 4fcbb2a - 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 - d2af720 - 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 - 24de0ed - lavfi 1.59.0 - avfilter_free()
Rename avfilter_destroy() to avfilter_free().
This change breaks libavfilter API/ABI.
2010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h
Remove graphparser.h header, move AVFilterInOut and
avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
2010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut
Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
This change breaks libavfilter API.
2010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()
Rename avfilter_graph_destroy() to avfilter_graph_free().
This change breaks libavfilter API/ABI.
2010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()
Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
2010-11-02 - 6f84cd1 - 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 - d63e456 - 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 - 262d1c5 - lavcore 0.10.0 - samplefmt.h
Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
SampleFormat.
2010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()
Add the function avfilter_graph_config() in avfiltergraph.h.
2010-10-15 - 03700d3 - 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 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base
Add time_base field to AVFilterLink.
2010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()
Move av_set_options_string() from libavfilter/parseutils.h to
libavutil/opt.h.
2010-09-27 - acc0490 - 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 - 372e288 - lavu 50.30.0 - av_get_token()
Move av_get_token() from libavfilter/parseutils.h to
libavutil/avstring.h.
2010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h
Add the functions sws_alloc_context() and sws_init_context().
2010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h
Move libavcodec/opt.h to libavutil/opt.h.
2010-09-24 - 1c1c80f - 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 - f66eb58 - lavc 52.90.0 - av_opt_show2()
Deprecate av_opt_show() in favor or av_opt_show2().
2010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()
Add av_popcount() to libavutil/common.h.
2010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()
Add av_get_cpu_flags().
2010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()
Add av_image_copy().
2010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()
Add av_image_copy_plane().
2010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h
Adopt hierarchical scheme for the imgutils.h function names,
deprecate the old names.
2010-09-04 - 7160bb7 - 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 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()
Add avcodec_get_channel_layout() in audioconvert.h.
2010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
2010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()
Add av_fill_image_max_pixstep() in imgutils.h.
2010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()
Add the AV_NE macro.
2010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework
Implement AVFilterBufferRefAudioProps struct for audio properties,
get_audio_buffer(), filter_samples() functions and related changes.
2010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()
Add av_get_image_linesize() in imgutils.h.
2010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef
Resize data and linesize arrays in AVFilterBufferRef to 8.
This change breaks libavfilter API/ABI.
2010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()
Add av_picture_data_copy in avcodec.h.
2010-08-11 - 84c0386 - 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 - cc80caf - 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 - 5d4890d - 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 - 7fce481 - 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 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef
Rename AVFilterPicRef to AVFilterBufferRef.
2010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer
Move format field from AVFilterBuffer to AVFilterPicRef.
2010-08-06 - bf176f5 - 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 - 56b5e9d - 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 - e7bd48a - 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 - 126b638 - 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 - 4485247 - lavu 50.23.0 - mathematics.h
Add the M_PHI constant definition.
2010-07-22 - bdab614 - 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 - aac6ca6 - lavcore 0.0.0
Add libavcore.
2010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer
Remove w and h fields from AVFilterBuffer.
2010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer
Rename AVFilterPic to AVFilterBuffer.
2010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()
Make url_fskip() return an int error code instead of void.
2010-07-11 - 23940f1 - lavc 52.83.0
Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
Add AVLPCType enum.
Deprecate AVCodecContext.use_lpc.
2010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()
Add a function for free the contents of a AVSubtitle generated by
avcodec_decode_subtitle.
2010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h
Make the bswap.h and intreadwrite.h API public.
2010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h
Rename read/write_line() to av_read/write_image_line().
2010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()
Add avfilter_copy_picref_props().
2010-07-03 - 2d525ef - lavc 52.79.0
Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
2010-07-02 - 89eec74 - 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 - a52e2c3 - 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 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
Add priv_data_size and priv_data_class to URLProtocol.
2010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()
Add url_alloc() and url_connect().
2010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()
Add av_register_protocol2(), deprecating av_register_protocol().
2010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()
Add av_compare_mod() to libavutil/mathematics.h.
2010-06-05 - 0b99215 - lavu 50.18.0 - eval API
Make the eval API public.
2010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE
Add AV_BASE64_SIZE() macro.
2010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()
Add av_get_codec_tag_string().
2010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API
Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
2010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
Add CODEC_CAP_EXPERIMENTAL flag.
NOTE: this was backported to 0.6
2010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()
Add av_get_random_seed().
2010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
NOTE: this was backported to 0.6
2010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef
Add interlaced and top_field_first fields to AVFilterPicRef.
------------------------------8<-------------------------------------
0.6 branch was cut here
----------------------------->8--------------------------------------
2010-05-01 - 8e2ee18 - 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 - 3dd6180 - lavf 52.61.0 - metadata API
Add a flag for av_metadata_set2() to disable overwriting of
existing tags.
2010-04-01 - 0fb49b5 - lavc 52.66.0
Add avcodec_get_edge_width().
2010-03-31 - d103218 - lavc 52.65.0
Add avcodec_copy_context().
2010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()
Make av_match_ext() public.
2010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType
Move AVMediaType enum from libavcodec to libavutil.
2010-03-31 - 72415b2 - 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 - 8795823 - lavu 50.13.0 - av_strerror()
Implement av_strerror().
2010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()
Support DCT-I and DST-I.
2010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime
Add AVFormatContext.start_time_realtime field.
2010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos
Add AVFilterPicRef.pos field.
2010-03-13 - 60c144f - 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 - c709483 - lavc 52.56.0 - avfft.h
Add public FFT interface.
2010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()
Add av_stristr().
2010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()
Add av_tree_enumerate().
2010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()
Add av_compare_ts().
2010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()
Add sws_getCoefficients().
2010-02-01 - ca76a11 - lavf 52.50.0 - metadata API
Add a list of generic tag names, change 'author' -> 'artist',
'year' -> 'date'.
2010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()
Add av_get_pix_fmt().
2010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()
Change constness attributes of sws_scale() parameters.
2010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()
Add a log_ctx parameter to avfilter_graph_config_links().
2010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()
Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
2010-01-06 - c1d662f - 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 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()
Add avfilter_add_colorspace().
2010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()
Add av_match_ext(), it should be used in place of match_ext().
2010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()
Add av_guess_format(), it should be used in place of guess_format().
2009-12-13 - a181981 - lavf 52.43.0 - metadata API
Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
AV_METADATA_DONT_STRDUP_VAL.
2009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API
Add av_d2str().
2009-12-13 - 02b398e - lavc 52.42.0 - AVStream
Add avg_frame_rate.
2009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()
Introduce the av_bmg_next() function.
2009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()
Add a slice_dir parameter to avfilter_draw_slice().
2009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter
Remove the next field from AVFilter, this is not anymore required.
2009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()
Introduce the avfilter_next() function.
2009-11-25 - 86a60fa - 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 - 74a0059 - lavu 50.5.0 - pixdesc.h API
Make the pixdesc.h API public.
2009-10-27 - 243110f - 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 - cccd292 - lavfi 1.4.1 - AVFilter.description
Add a description field to AVFilter.
2009-10-19 - 6b5dc05 - 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 - 0eb4ff9 - 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 - 46c40e4 - lavfi 0.5.1 - AVFilterPic
Add w and h fields to AVFilterPic.
2009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size
This is now an unsigned int instead of a signed int.
2009-06-19 - a4276ba - 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 - 8f3f2e0 - 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 - f988ce6 - 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 - ce1d9c8 - lavc 52.28.0 - av_free_packet()
av_free_packet() is no longer an inline function. It is now exported.
2009-04-11 - 80d403f - 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 - 7a00bba - 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 - 7b09db3 - lavu 50.3.0 - av_fifo_space()
Introduce the av_fifo_space() function.
2009-04-02 - fabd246 - lavc 52.23.0 - AVPacket
Move AVPacket declaration from libavformat/avformat.h to
libavcodec/avcodec.h.
2009-03-22 - 6e08ca9 - 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 - f82674e - 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 - ee6624e - 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 - 41dd680 - 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 - ec26457 - 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