1 Never assume the API of libav* to be stable unless at least 1 month has passed
2 since the last major version increase.
4 The last version increases were:
6 libavdevice: 2014-08-09
7 libavfilter: 2014-08-09
8 libavformat: 2014-08-09
9 libavresample: 2014-08-09
10 libswscale: 2014-08-09
14 API changes, most recent first:
16 2014-11-xx - xxxxxxx - lavf 56.06.3 - avformat.h
17 Add AVFormatContext.avoid_negative_ts.
19 2014-11-xx - xxxxxxx - lavc 56.6.0 - vorbis_parser.h
20 Add a public API for parsing vorbis packets.
22 2014-10-xx - xxxxxxx - lavu 54.5.0 - time.h
23 Add av_gettime_relative().
25 2014-10-xx - xxxxxxx - lavc 56.5.0 - avcodec.h
26 Replace AVCodecContext.time_base used for decoding
27 with AVCodecContext.framerate.
29 2014-10-xx - xxxxxxx - lavc 56.4.0 - avcodec.h
30 Add AV_HWACCEL_FLAG_IGNORE_LEVEL flag to av_vdpau_bind_context().
32 2014-10-13 - xxxxxxx - lavc 56.03.0 - avcodec.h
33 Add AVCodecContext.initial_padding. Deprecate the use of AVCodecContext.delay
36 2014-09-xx - xxxxxxx - lavu 54.04.0 - pixdesc.h
37 Add API to return the name of frame and context color properties.
39 2014-09-xx - xxxxxxx - lavc 56.2.0 - vdpau.h
40 Add av_vdpau_bind_context(). This function should now be used for creating
41 (or resetting) a AVVDPAUContext instead of av_vdpau_alloc_context().
43 2014-08-xx - xxxxxxx - lavc 56.1.0 - avcodec.h
44 Add AV_PKT_DATA_STEREO3D to export container-level stereo3d information.
46 2014-08-xx - xxxxxxx - lavf 56.03.0 - avformat.h
47 Add AVFormatContext.max_ts_probe.
49 2014-08-13 - 8ddc326 - lavu 54.03.0 - mem.h
52 2014-08-13 - a8c104a - lavu 54.02.0 - opt.h
53 Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support
54 dictionary types being set as options.
56 2014-08-13 - afbd4b8 - lavf 56.01.0 - avformat.h
57 Add AVFormatContext.event_flags and AVStream.event_flags for signaling to
58 the user when events happen in the file/stream.
60 2014-08-10 - fb1ddcd - lavr 2.1.0 - avresample.h
61 Add avresample_convert_frame() and avresample_config().
63 2014-08-10 - fb1ddcd - lavu 54.1.0 - error.h
64 Add AVERROR_INPUT_CHANGED and AVERROR_OUTPUT_CHANGED.
66 2014-08-08 - d35b94f - lavc 55.57.4 - avcodec.h
67 Deprecate FF_IDCT_XVIDMMX define and xvidmmx idct option.
68 Replaced by FF_IDCT_XVID and xvid respectively.
70 2014-08-07 - bb78903 - lsws 2.1.3 - swscale.h
71 sws_getCachedContext is not going to be removed in the future.
73 2014-08-07 - ad1ee5f - lavc 55.57.3 - avcodec.h
74 reordered_opaque is not going to be removed in the future.
76 2014-08-04 - e9abafc - lavu 53.22.0 - pixfmt.h
77 Add AV_PIX_FMT_YA16 pixel format for 16 bit packed gray with alpha.
79 2014-08-04 - e96c3b8 - lavu 53.21.1 - avstring.h
80 Rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 to better identify the format.
81 An alias pixel format and color space name are provided for compatibility.
83 2014-08-04 - d2962e9 - lavu 53.21.0 - pixdesc.h
84 Support name aliases for pixel formats.
86 2014-08-03 - 1ef9e83 - lavc 55.57.2 - avcodec.h
87 2014-08-03 - 1ef9e83 - lavu 53.20.0 - frame.h
88 Deprecate AVCodecContext.dtg_active_format and use side-data instead.
90 2014-08-03 - 9f17685 - lavc 55.57.1 - avcodec.h
91 Deprecate unused FF_IDCT_IPP define and ipp avcodec option.
92 Deprecate unused FF_DEBUG_PTS define and pts avcodec option.
93 Deprecate unused FF_CODER_TYPE_DEFLATE define and deflate avcodec option.
94 Deprecate unused FF_DCT_INT define and int avcodec option.
95 Deprecate unused avcodec option scenechange_factor.
97 2014-07-29 - 69e7336 - lavu 53.19.0 - avstring.h
98 Make name matching function from lavf public as av_match_name().
100 2014-07-28 - c5fca01 - lavc 55.57.0 - avcodec.h
101 Add AV_CODEC_PROP_REORDER to mark codecs supporting frame reordering.
103 2014-07-09 - a54f03b - lavu 53.18.0 - display.h
104 Add av_display_matrix_flip() to flip the transformation matrix.
106 2014-07-09 - f6ee61f - lavc 55.56.0 - dv_profile.h
107 Add a public API for DV profile handling.
109 2014-06-20 - 9e500ef - lavu 53.17.0 - imgutils.h
110 Add av_image_check_sar().
112 2014-06-20 - 874390e - lavc 55.55.0 - avcodec.h
113 Add av_packet_rescale_ts() to simplify timestamp conversion.
115 2014-06-18 - 194be1f - lavf 55.20.0 - avformat.h
116 The proper way for providing a hint about the desired timebase to the muxers
117 is now setting AVStream.time_base, instead of AVStream.codec.time_base as was
118 done previously. The old method is now deprecated.
120 2014-06-01 - 0957b27 - lavc 55.54.0 - avcodec.h
121 Add AVCodecContext.side_data_only_packets to allow encoders to output packets
122 with only side data. This option may become mandatory in the future, so all
123 users are recommended to update their code and enable this option.
125 2014-06-01 - 8c02adc - lavu 53.16.0 - frame.h, pixfmt.h
126 Move all color-related enums (AVColorPrimaries, AVColorSpace, AVColorRange,
127 AVColorTransferCharacteristic, and AVChromaLocation) inside lavu.
128 Add AVFrame fields for them on the next lavu major bump.
130 2014-05-28 - b2d4565 - lavr 1.3.0 - avresample.h
131 Add avresample_max_output_samples
133 2014-05-28 - 6d21259 - lavf 55.19.0 - avformat.h
134 Add strict_std_compliance and related AVOptions to support experimental
137 2014-05-20 - c23c96b - lavf 55.18.0 - avformat.h
138 Add av_stream_get_side_data() to access stream-level side data
139 in the same way as av_packet_get_side_data().
141 2014-05-19 - bddd8cb - lavu 53.15.0 - frame.h, display.h
142 Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level
143 spatial rendering on video frames for proper display.
145 2014-05-19 - bddd8cb - lavc 55.53.0 - avcodec.h
146 Add AV_PKT_DATA_DISPLAYMATRIX for exporting packet-level
147 spatial rendering on video frames for proper display.
149 2014-05-19 - a312f71 - lavf 55.17.1 - avformat.h
150 Deprecate AVStream.pts and the AVFrac struct, which was its only use case.
151 Those fields were poorly defined and not meant to be public, so there is
152 no replacement for them.
154 2014-05-18 - fd05602 - lavc 55.52.0 - avcodec.h
155 Add avcodec_free_context(). From now on it should be used for freeing
158 2014-05-15 - 0c1959b - lavf 55.17.0 - avformat.h
159 Add AVFMT_FLAG_BITEXACT flag. Muxers now use it instead of checking
160 CODEC_FLAG_BITEXACT on the first stream.
162 2014-05-11 - 66e6c8a - lavu 53.14.0 - pixfmt.h
163 Add AV_PIX_FMT_VDA for new-style VDA acceleration.
165 2014-05-01 - a2941c8 - lavc 55.50.3 - avcodec.h
166 Deprecate CODEC_FLAG_MV0. It is replaced by the flag "mv0" in the
167 "mpv_flags" private option of the mpegvideo encoders.
169 2014-05-01 - 6484149 - lavc 55.50.2 - avcodec.h
170 Deprecate CODEC_FLAG_GMC. It is replaced by the "gmc" private option of the
173 2014-05-01 - b2c3171 - lavc 55.50.1 - avcodec.h
174 Deprecate CODEC_FLAG_NORMALIZE_AQP. It is replaced by the flag "naq" in the
175 "mpv_flags" private option of the mpegvideo encoders.
177 2014-05-01 - 5fcceda - avcodec.h
178 Deprecate CODEC_FLAG_INPUT_PRESERVED. Its functionality is replaced by passing
179 reference-counted frames to encoders.
181 2014-04-28 - ed4b757 - lavc 55.50.0 - dxva2.h
182 Add FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO for old Intel GPUs.
184 2014-04-22 - 502512e - lavu 53.13.0 - avutil.h
185 Add av_get_time_base_q().
187 2014-04-17 - 0983d48 - lavu 53.12.0 - crc.h
188 Add AV_CRC_16_ANSI_LE crc variant.
190 2014-04-07 - 8b17243 - lavu 53.11.0 - pixfmt.h
191 Add AV_PIX_FMT_YVYU422 pixel format.
193 2014-04-04 - 8542f9c - lavu 53.10.0 - replaygain.h
194 Full scale for peak values is now 100000 (instead of UINT32_MAX) and values
197 2014-04-03 - 7763118 - lavu 53.09.0 - log.h
198 Add AV_LOG(c) macro to have 256 color debug messages.
200 2014-03-24 - d161ae0 - lavu 53.08.0 - frame.h
201 Add av_frame_remove_side_data() for removing a single side data
202 instance from a frame.
204 2014-03-24 - 5a7e35d - lavu 53.07.0 - frame.h, replaygain.h
205 Add AV_FRAME_DATA_REPLAYGAIN for exporting replaygain tags.
206 Add a new header replaygain.h with the AVReplayGain struct.
208 2014-03-24 - 5a7e35d - lavc 55.36.0 - avcodec.h
209 Add AV_PKT_DATA_REPLAYGAIN for exporting replaygain tags.
211 2014-03-24 - 25b3258 - lavf 55.13.0 - avformat.h
212 Add AVStream.side_data and AVStream.nb_side_data for exporting stream-global
213 side data (e.g. replaygain tags, video rotation)
215 2014-03-24 - 0e2c3ee - lavc 55.35.0 - avcodec.h
216 Give the name AVPacketSideData to the previously anonymous struct used for
219 2014-03-16 - 1481d24 - lavu 53.06.0 - pixfmt.h
220 Add RGBA64 pixel format and variants.
222 2014-02-24 - 1155fd0 - lavu 53.05.0 - frame.h
223 Add av_frame_copy() for copying the frame data.
225 2014-02-22 - 7e86c27 - lavr 1.2.0 - avresample.h
226 Add avresample_is_open() for checking whether a resample context is open.
228 2014-02-19 - c3ecd96 - lavu 53.04.0 - opt.h
229 Add AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)
232 2014-02-19 - 6bb8720 - lavu 53.03.01 - opt.h
233 Deprecate unused AV_OPT_FLAG_METADATA.
235 ------------------------------8<-------------------------------------
236 10 branch was cut here
237 ----------------------------->8--------------------------------------
239 2014-02-15 - c98f316 - lavu 53.3.0 - frame.h
240 Add AV_FRAME_DATA_DOWNMIX_INFO value to the AVFrameSideDataType enum and
241 downmix_info.h API, which identify downmix-related metadata.
243 2014-02-04 - d9ae103 - lavf 55.11.0 - avformat.h
244 Add AVFormatContext.max_interleave_delta for controlling amount of buffering
247 2014-01-20 - 93c553c - lavc 55.32.1 - avcodec.h
248 Edges are not required anymore on video buffers allocated by get_buffer2()
249 (i.e. as if the CODEC_FLAG_EMU_EDGE flag was always on). Deprecate
250 CODEC_FLAG_EMU_EDGE and avcodec_get_edge_width().
252 2014-01-05 - 5b4797a - lavu 53.2.0 - frame.h
253 Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which
254 identifies AVMatrixEncoding data.
256 2014-01-05 - 5c437fb - lavu 53.1.0 - channel_layout.h
257 Add values for various Dolby flags to the AVMatrixEncoding enum.
259 2013-12-20 - 2a41826 - lavc 55.30.0 - avcodec.h
262 2013-12-11 - b9fb59d,9431356,d7b3ee9 - lavc 55.28.1 - avcodec.h
263 av_frame_alloc(), av_frame_unref() and av_frame_free() now can and should be
264 used instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() and
265 avcodec_free_frame() respectively. The latter three functions are deprecated.
267 2013-12-09 - 7e244c6- - lavu 52.20.0 - frame.h
268 Add AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum and
269 stereo3d.h API, that identify codec-independent stereo3d information.
271 2013-11-26 - 1eaac1d- - lavu 52.19.0 - frame.h
272 Add AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, which
273 identifies ATSC A53 Part 4 Closed Captions data.
275 2013-11-14 - cce3e0a - lavu 52.18.0 - mem.h
276 Move av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.
278 2013-11-14 - 8941971 - lavc 55.27.0 - avcodec.h
279 Deprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'
280 private option of the mpegvideo encoder family.
282 2013-11-14 - 728c465 - lavc 55.26.0 - vdpau.h
283 Add av_vdpau_get_profile().
284 Add av_vdpau_alloc_context(). This function must from now on be
285 used for allocating AVVDPAUContext.
287 2013-11-04 - cd8f772 - lavc 55.25.0 - avcodec.h
288 Add ITU-R BT.2020 and other not yet included values to color primaries,
289 transfer characteristics and colorspaces.
291 2013-10-31 - 28096e0 - lavu 52.17.0 - frame.h
292 Add AVFrame.flags and AV_FRAME_FLAG_CORRUPT.
294 2013-09-28 - 0767bfd - lavfi 3.11.0 - avfilter.h
295 Add AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threading
298 2013-09-21 - e208e6d - lavu 52.16.0 - pixfmt.h
299 Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and
302 2013-09-16 - 3feb3d6 - lavu 52.15.0 - mem.h
305 2013-08-10 - 5a9a9d4 - lavc 55.16.0 - avcodec.h
306 Extend AVPacket API with av_packet_unref, av_packet_ref,
307 av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.
309 2013-08-05 - f824535 - lavc 55.13.0 - avcodec.h
310 Deprecate the bitstream-related members from struct AVVDPAUContext.
311 The bistream buffers no longer need to be explicitly freed.
313 2013-08-05 - 549294f - lavc 55.12.0 - avcodec.h
314 Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL
315 and select the AV_PIX_FMT_VDPAU format with get_format() instead.
317 2013-08-05 - a0ad5d0 - lavu 52.14.0 - pixfmt.h
318 Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.
320 2013-08-02 - a8b1927 - lavc 55.11.0 - avcodec.h
321 Add output_picture_number to AVCodecParserContext.
323 2013-06-24 - 95d5246 - lavc 55.10.0 - avcodec.h
324 Add MPEG-2 AAC profiles
326 2013-06-04 - fc962d4 - lavu 52.13.0 - mem.h
327 Add av_realloc_array and av_reallocp_array
329 2013-05-24 - 129bb23 - lavfi 3.10.0 - avfilter.h
330 Add support for slice multithreading to lavfi. Filters supporting threading
331 are marked with AVFILTER_FLAG_SLICE_THREADS.
332 New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and
333 AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be
334 used to configure multithreading.
336 2013-05-24 - 2a6eaea - lavu 52.12.0 - cpu.h
337 Add av_cpu_count() function for getting the number of logical CPUs.
339 2013-05-24 - b493847 - lavc 55.7.0 - avcodec.h
340 Add picture_structure to AVCodecParserContext.
342 2013-05-15 - e6c4ac7 - lavu 52.11.0 - pixdesc.h
343 Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.
345 2013-04-03 - 507b1e4 - lavc 55.4.0 - avcodec.h
346 Add field_order to AVCodecParserContext.
348 2013-04-19 - 5e83d9a - lavc 55.2.0 - avcodec.h
349 Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.
351 2013-04-11 - lavfi 3.8.0
352 38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate
353 avfilterhraph.h, user applications should include just avfilter.h
354 bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
355 avfilter_graph_add_filter().
356 1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
358 48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().
359 1ba95a9 - Add avfilter_init_dict().
360 7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.
361 7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.
362 fa2a34c - Add avfilter_next(), deprecate av_filter_next().
363 Deprecate avfilter_uninit().
365 2013-04-09 - lavfi 3.7.0 - avfilter.h
366 b439c99 - Add AVFilter.priv_class for exporting filter options through the
367 AVOptions API in the similar way private options work in lavc and lavf.
368 8114c10 - Add avfilter_get_class().
369 Switch all filters to use AVOptions.
371 2013-03-19 - 2c328a9 - lavu 52.9.0 - pixdesc.h
372 Add av_pix_fmt_count_planes() function for counting planes in a pixel format.
374 2013-03-16 - 42c7c61 - lavfi 3.6.0
375 Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
377 2013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,
378 lavd 54.0.0, lavfi 3.5.0
379 8e401db, 1cec062 - add a new API for reference counted buffers and buffer
380 pools (new header libavutil/buffer.h).
381 1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.
382 Add av_packet_from_data() function for constructing packets from
384 7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add
385 AVFrame.buf/extended_buf to allow reference counting for the AVFrame
386 data. Add new API for working with reference-counted AVFrames.
387 759001c - add the refcounted_frames field to AVCodecContext to make audio and
388 video decoders return reference-counted frames. Add get_buffer2()
389 callback to AVCodecContext which allocates reference-counted frames.
390 Add avcodec_default_get_buffer2() as the default get_buffer2()
392 Deprecate AVCodecContext.get_buffer() / release_buffer() /
393 reget_buffer(), avcodec_default_get_buffer(),
394 avcodec_default_reget_buffer(), avcodec_default_release_buffer().
395 Remove avcodec_default_free_buffers(), which should not have ever
396 been called from outside of lavc.
397 Deprecate the following AVFrame fields:
398 * base -- is now stored in AVBufferRef
399 * reference, type, buffer_hints -- are unnecessary in the new API
400 * hwaccel_picture_private, owner, thread_opaque -- should not
401 have been acessed from outside of lavc
402 * qscale_table, qstride, qscale_type, mbskip_table, motion_val,
403 mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,
404 which are not exported anymore.
405 7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add
406 av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().
407 Add av_buffersink_get_frame() and av_buffersink_get_samples(),
408 deprecate av_buffersink_read() and av_buffersink_read_samples().
409 Deprecate AVFilterBufferRef and all functions for working with it.
411 2013-03-17 - 12c5c1d - lavu 52.8.0 - avstring.h
412 Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.
414 2013-02-23 - 9f12235 - lavfi 3.4.0 - avfiltergraph.h
415 Add resample_lavr_opts to AVFilterGraph for setting libavresample options
416 for auto-inserted resample filters.
418 2013-01-25 - 38c1466 - lavu 52.7.0 - dict.h
419 Add av_dict_parse_string() to set multiple key/value pairs at once from a
422 2013-01-25 - b85a5e8 - lavu 52.6.0 - avstring.h
425 2013-01-15 - 8ee288d - lavu 52.5.0 - hmac.h
428 2013-01-13 - 44e065d - lavc 54.36.0 - vdpau.h
429 Add AVVDPAUContext struct for VDPAU hardware-accelerated decoding.
431 2013-01-12 - 169fb94 - lavu 52.4.0 - pixdesc.h
432 Add AV_PIX_FMT_VDPAU flag.
434 2013-01-07 - 074a00d - lavr 1.1.0
435 Add avresample_set_channel_mapping() for input channel reordering,
436 duplication, and silencing.
438 ------------------------------8<-------------------------------------
439 9 branch was cut here
440 ----------------------------->8--------------------------------------
442 2012-12-29 - d8fd06c - lavu 52.3.0 - avstring.h
443 Add av_basename() and av_dirname().
445 2012-11-11 - 5980f5d - lavu 52.2.0 - audioconvert.h
446 Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.
448 2012-11-05 - dfde8a3 - lavu 52.1.0 - intmath.h
449 Add av_ctz() for trailing zero bit count
451 2012-10-21 - a893655 - lavu 51.45.0 - error.h
452 Add AVERROR_EXPERIMENTAL
454 2012-10-12 - d2fcb35 - lavu 51.44.0 - pixdesc.h
455 Add functions for accessing pixel format descriptors.
456 Accessing the av_pix_fmt_descriptors array directly is now
459 2012-10-11 - 9a92aea - lavu 51.43.0 - aes.h, md5.h, sha.h, tree.h
460 Add functions for allocating the opaque contexts for the algorithms,
461 deprecate the context size variables.
463 2012-10-10 - b522000 - lavf 54.18.0 - avio.h
464 Add avio_closep to complement avio_close.
466 2012-10-08 - 78071a1 - lavu 51.42.0 - pixfmt.h
467 Rename PixelFormat to AVPixelFormat and all PIX_FMT_* to AV_PIX_FMT_*.
468 To provide backwards compatibility, PixelFormat is now #defined as
470 Note that this can break user code that includes pixfmt.h and uses the
471 'PixelFormat' identifier. Such code should either #undef PixelFormat
472 or stop using the PixelFormat name.
474 2012-10-05 - e7ba5b1 - lavr 1.0.0 - avresample.h
475 Data planes parameters to avresample_convert() and
476 avresample_read() are now uint8_t** instead of void**.
477 Libavresample is now stable.
479 2012-09-24 - a42aada - lavc 54.28.0 - avcodec.h
480 Add avcodec_free_frame(). This function must now
481 be used for freeing an AVFrame.
483 2012-09-12 - 8919fee - lavu 51.41.0 - audioconvert.h
484 Added AV_CH_LOW_FREQUENCY_2 channel mask value.
486 2012-09-04 - 686a329 - lavu 51.40.0 - opt.h
487 Reordered the fields in default_val in AVOption, changed which
488 default_val field is used for which AVOptionType.
490 2012-08-30 - a231832 - lavc 54.26.1 - avcodec.h
491 Add codec descriptor properties AV_CODEC_PROP_LOSSY and
492 AV_CODEC_PROP_LOSSLESS.
494 2012-08-18 - lavc 54.26 - avcodec.h
495 Add codec descriptors for accessing codec properties without having
496 to refer to a specific decoder or encoder.
498 c223d79 - Add an AVCodecDescriptor struct and functions
499 avcodec_descriptor_get() and avcodec_descriptor_next().
500 51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.
501 91e59fe - Add avcodec_descriptor_get_by_name().
504 2012-08-08 - 1d9c2dc - lavu 51.39 - avutil.h
505 Don't implicitly include libavutil/common.h in avutil.h
507 2012-08-08 - 987170c - lavu 51.38 - dict.h
510 2012-08-07 - 104e10f - lavc 54.25 - avcodec.h
511 Rename CodecID to AVCodecID and all CODEC_ID_* to AV_CODEC_ID_*.
512 To provide backwards compatibility, CodecID is now #defined as AVCodecID.
513 Note that this can break user code that includes avcodec.h and uses the
514 'CodecID' identifier. Such code should either #undef CodecID or stop using the
517 2012-08-03 - 239fdf1 - lavu 51.37.1 - cpu.h
518 lsws 2.1.1 - swscale.h
519 Rename AV_CPU_FLAG_MMX2 ---> AV_CPU_FLAG_MMXEXT.
520 Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.
522 2012-07-29 - 681ed00 - lavf 54.13.0 - avformat.h
523 Add AVFMT_FLAG_NOBUFFER for low latency use cases.
525 2012-07-20 - b70d89a - lavfi 3.0.0 - avfilter.h
526 Add avfilter_unref_bufferp().
528 2012-07-10 - 5fade8a - lavu 51.37.0
529 Add av_malloc_array() and av_mallocz_array()
531 2012-06-22 - d3d3a32 - lavu 51.34.0
534 2012-06-20 - ae0a301 - lavu 51.33.0
535 Move av_gettime() to libavutil, add libavutil/time.h
537 2012-06-09 - 3971be0 - lavr 0.0.3
538 Add a parameter to avresample_build_matrix() for Dolby/DPLII downmixing.
540 2012-06-12 - 9baeff9 - lavfi 2.23.0 - avfilter.h
541 Add AVFilterContext.nb_inputs/outputs. Deprecate
542 AVFilterContext.input/output_count.
544 2012-06-12 - 84b9fbe - lavfi 2.22.0 - avfilter.h
545 Add avfilter_pad_get_type() and avfilter_pad_get_name(). Those
546 should now be used instead of accessing AVFilterPad members
549 2012-06-12 - b0f0dfc - lavu 51.32.0 - audioconvert.h
550 Add av_get_channel_layout_channel_index(), av_get_channel_name()
551 and av_channel_layout_extract_channel().
553 2012-05-25 - 154486f - lavu 51.31.0 - opt.h
556 2012-05-26 - e9cef89 - lavf 54.3.0
557 Add AVFMT_TS_NONSTRICT format flag to indicate that a muxer supports
558 non-increasing monotone timestamps.
560 2012-05-15 - lavfi 2.17.0
561 Add support for audio filters
562 ac71230/a2cd9be - add video/audio buffer sink in a new installed
564 720c6b7 - add av_buffersrc_write_frame(), deprecate
565 av_vsrc_buffer_add_frame()
566 ab16504 - add avfilter_copy_buf_props()
567 9453c9e - add extended_data to AVFilterBuffer
568 1b8c927 - add avfilter_get_audio_buffer_ref_from_arrays()
570 2012-05-09 - lavu 51.30.0 - samplefmt.h
571 142e740 - add av_samples_copy()
572 6d7f617 - add av_samples_set_silence()
574 2012-05-09 - a5117a2 - lavc 54.13.1
575 For audio formats with fixed frame size, the last frame
576 no longer needs to be padded with silence, libavcodec
577 will handle this internally (effectively all encoders
578 behave as if they had CODEC_CAP_SMALL_LAST_FRAME set).
580 2012-05-07 - 828bd08 - lavc 54.13.0 - avcodec.h
581 Add sample_rate and channel_layout fields to AVFrame.
583 2012-05-01 - 4010d72 - lavr 0.0.1
584 Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.
586 2012-04-25 - 3527a73 - lavu 51.29.0 - cpu.h
587 Add av_parse_cpu_flags()
589 2012-04-24 - c8af852 - lavr 0.0.0
590 Add libavresample audio conversion library
592 2012-04-20 - 0c0d1bc - lavu 51.28.0 - audio_fifo.h
593 Add audio FIFO functions:
595 av_audio_fifo_alloc()
596 av_audio_fifo_realloc()
597 av_audio_fifo_write()
599 av_audio_fifo_drain()
600 av_audio_fifo_reset()
602 av_audio_fifo_space()
604 2012-04-14 - lavfi 2.16.0 - avfiltergraph.h
605 d7bcc71 Add avfilter_graph_parse2().
606 91d3cbe Add avfilter_inout_alloc() and avfilter_inout_free().
608 2012-04-08 - 4d693b0 - lavu 51.27.0 - samplefmt.h
609 Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()
611 2012-04-05 - 5cc51a5 - lavu 51.26.0 - audioconvert.h
612 Add av_get_default_channel_layout()
614 2012-03-20 - 3c90cc2 - lavfo 54.2.0
615 Deprecate av_read_packet(), use av_read_frame() with
616 AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags
618 2012-03-06 - 4d851f8 - lavu 51.25.0 - cpu.h
619 Add av_set_cpu_flags_mask().
621 2012-03-05 - lavc 54.8.0
622 6699d07 Add av_get_exact_bits_per_sample()
623 9524cf7 Add av_get_audio_frame_duration()
625 2012-03-04 - 44fe77b - lavc 54.7.0 - avcodec.h
626 Add av_codec_is_encoder/decoder().
628 2012-03-01 - 442c132 - lavc 54.3.0 - avcodec.h
629 Add av_packet_shrink_side_data.
631 2012-02-29 - dd2a4bc - lavf 54.2.0 - avformat.h
632 Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,
633 used for dealing with attached pictures/cover art.
635 2012-02-25 - c9bca80 - lavu 51.24.0 - error.h
637 NOTE: this was backported to 0.8
639 2012-02-20 - e9cda85 - lavc 54.2.0
640 Add duration field to AVCodecParserContext
642 2012-02-20 - 0b42a93 - lavu 51.23.1 - mathematics.h
643 Add av_rescale_q_rnd()
645 2012-02-08 - 38d5533 - lavu 51.22.1 - pixdesc.h
646 Add PIX_FMT_PSEUDOPAL flag.
648 2012-02-08 - 52f82a1 - lavc 54.01.0
649 Add avcodec_encode_video2() and deprecate avcodec_encode_video().
651 2012-02-01 - 316fc74 - lavc 54.01.0
652 Add av_fast_padded_malloc() as alternative for av_realloc() when aligned
653 memory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZE
654 zero-padded bytes at the end.
656 2012-01-31 - dd6d3b0 - lavf 54.01.0
657 Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
658 NOTE: this was backported to 0.8
660 2012-01-31 - af08d9a - lavc 54.01.0
661 Add avcodec_is_open() function.
662 NOTE: this was backported to 0.8
664 2012-01-30 - 8b93312 - lavu 51.22.0 - intfloat.h
665 Add a new installed header libavutil/intfloat.h with int/float punning
667 NOTE: this was backported to 0.8
669 2012-01-25 - lavf 53.22.0
670 f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible
671 buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for
672 muxers supporting it (av_write_frame makes sure it is called
673 only for muxers with this flag).
675 ------------------------------8<-------------------------------------
676 0.8 branch was cut here
677 ----------------------------->8--------------------------------------
679 2012-01-15 - lavc 53.34.0
680 New audio encoding API:
681 b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio
683 5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.
684 b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().
685 Add AVCodec.encode2().
687 2012-01-12 - 3167dc9 - lavfi 2.15.0
688 Add a new installed header -- libavfilter/version.h -- with version macros.
690 2011-01-03 - b73ec05 - lavu 51.21.0
693 2011-12-25 - lavfi 2.14.0
694 e1d9dbf Add a new installed header - buffersrc.h
695 It contains a new function av_buffersrc_buffer() that allows passing
696 frames to the 'buffer' filter, but unlike av_vsrc_buffer_add_frame()
697 it allows for direct rendering.
698 1c9e340 Add avfilter_copy_frame_props() for copying properties from
699 AVFrame to AVFilterBufferRef.
701 2011-12-25 - lavc 53.31.0
702 Add the following new fields to AVFrame:
703 b58dbb5 sample_aspect_ratio
704 3a2ddf7 width, height
707 2011-12-18 - 8400b12 - lavc 53.28.1
708 Deprecate AVFrame.age. The field is unused.
710 2011-12-12 - 5266045 - lavf 53.17.0
711 Add avformat_close_input().
712 Deprecate av_close_input_file() and av_close_input_stream().
714 2011-12-09 - b2890f5 - lavu 51.20.0 - audioconvert.h
715 Expand the channel layout list.
717 2011-12-02 - 0eea212 - lavc 53.25.0
718 Add nb_samples and extended_data fields to AVFrame.
719 Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.
720 Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().
721 avcodec_decode_audio4() writes output samples to an AVFrame, which allows
722 audio decoders to use get_buffer().
724 2011-12-04 - 560f773 - lavc 53.24.0
725 Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.
726 Change AVPicture.data[4]/linesize[4] to [8] at next major bump.
727 Change AVCodecContext.error[4] to [8] at next major bump.
728 Add AV_NUM_DATA_POINTERS to simplify the bump transition.
730 2011-11-24 - lavu 51.19.0
731 bd97b2e - add planar RGB pixel formats
732 6b0768e - add PIX_FMT_PLANAR and PIX_FMT_RGB pixel descriptions
734 2011-11-23 - bbb46f3 - lavu 51.18.0
735 Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
736 av_samples_alloc(), to samplefmt.h.
738 2011-11-23 - 8889cc4 - lavu 51.17.0
739 Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.
741 2011-11-19 - f3a29b7 - lavc 53.21.0
742 Move some AVCodecContext fields to a new private struct, AVCodecInternal,
743 which is accessed from a new field, AVCodecContext.internal.
745 AVCodecContext.internal_buffer --> AVCodecInternal.buffer
746 AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count
747 AVCodecContext.is_copy --> AVCodecInternal.is_copy
749 2011-11-16 - 6270671 - lavu 51.16.0
752 2011-11-13 - lavf 53.15.0
753 New interrupt callback API, allowing per-AVFormatContext/AVIOContext
755 6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to
757 1dee0ac Add avio_open2() with additional parameters. Those are
758 an interrupt callback and an options AVDictionary.
759 This will allow passing AVOptions to protocols after lavf
762 2011-11-06 - ba04ecf - lavu 51.14.0
763 Add av_strcasecmp() and av_strncasecmp() to avstring.h.
765 2011-11-06 - 07b172f - lavu 51.13.0
766 Add av_toupper()/av_tolower()
768 2011-11-05 - b6d08f4 - lavf 53.13.0
769 Add avformat_network_init()/avformat_network_deinit()
771 2011-10-27 - 512557b - lavc 53.15.0
772 Remove avcodec_parse_frame.
773 Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.
775 2011-10-19 - 569129a - lavf 53.10.0
776 Add avformat_new_stream(). Deprecate av_new_stream().
778 2011-10-13 - b631fba - lavf 53.9.0
779 Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.
781 2011-10-12 - lavu 51.12.0
782 AVOptions API rewrite.
784 - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*
785 - new setting/getting functions with slightly different semantics:
786 dac66da av_set_string3 -> av_opt_set
787 av_set_double -> av_opt_set_double
788 av_set_q -> av_opt_set_q
789 av_set_int -> av_opt_set_int
791 41d9d51 av_get_string -> av_opt_get
792 av_get_double -> av_opt_get_double
793 av_get_q -> av_opt_get_q
794 av_get_int -> av_opt_get_int
796 - 8c5dcaa trivial rename av_next_option -> av_opt_next
797 - 641c7af new functions - av_opt_child_next, av_opt_child_class_next
800 2011-09-03 - fb4ca26 - lavc 53.10.0
803 Add {avcodec,avformat,sws}_get_class().
805 2011-09-03 - c11fb82 - lavu 51.10.0
806 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
808 2011-08-26 - lavu 51.9.0
809 - f2011ed Add av_fifo_peek2(), deprecate av_fifo_peek().
810 - add41de..abc78a5 Do not include intfloat_readwrite.h,
811 mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.
813 2011-08-16 - 48f9e45 - lavf 53.4.0
814 Add avformat_query_codec().
816 2011-08-16 - bca06e7 - lavc 53.8.0
817 Add avcodec_get_type().
819 2011-08-06 - 2f63440 - lavf 53.4.0
820 Add error_recognition to AVFormatContext.
822 2011-08-02 - 9d39cbf - lavc 53.7.1
823 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
825 2011-07-10 - a67c061 - lavf 53.3.0
826 Add avformat_find_stream_info(), deprecate av_find_stream_info().
827 NOTE: this was backported to 0.7
829 2011-07-10 - 0b950fe - lavc 53.6.0
830 Add avcodec_open2(), deprecate avcodec_open().
831 NOTE: this was backported to 0.7
833 Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and
834 avcodec_alloc_context2().
836 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
837 Add av_printf_format().
839 ------------------------------8<-------------------------------------
840 0.7 branch was cut here
841 ----------------------------->8--------------------------------------
843 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
844 Add avformat_open_input and avformat_write_header().
845 Deprecate av_open_input_stream, av_open_input_file,
846 AVFormatParameters and av_write_header.
848 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
849 Add av_opt_set_dict() and av_opt_find().
850 Deprecate av_find_opt().
851 Add AV_DICT_APPEND flag.
853 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
854 Add av_opt_flag_is_set().
856 2011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata
857 Move AVMetadata from lavf to lavu and rename it to
858 AVDictionary -- new installed header dict.h.
859 All av_metadata_* functions renamed to av_dict_*.
861 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
862 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
863 Deprecate av_get_bits_per_sample_fmt().
865 2011-06-05 - b39b062 - lavu 51.3.0 - opt.h
866 Add av_opt_free convenience function.
868 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
869 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
870 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
872 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
873 Add fps_probe_size to AVFormatContext.
875 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
876 Add request_sample_fmt field to AVCodecContext.
878 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
879 Deprecate AVLPCType and the following fields in
880 AVCodecContext: lpc_coeff_precision, prediction_order_method,
881 min_partition_order, max_partition_order, lpc_type, lpc_passes.
882 Corresponding FLAC encoder options should be used instead.
884 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
885 Add AVPictureType enum and av_get_picture_type_char(), deprecate
886 FF_*_TYPE defines and av_get_pict_type_char() defined in
887 libavcodec/avcodec.h.
889 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
890 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
892 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
893 Add sample_aspect_ratio fields to vsrc_buffer arguments
895 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
896 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
898 2011-04-15 - lavc 52.120.0 - avcodec.h
899 AVPacket structure got additional members for passing side information:
900 4de339e introduce side information for AVPacket
901 2d8591c make containers pass palette change in AVPacket
903 2011-04-12 - lavf 52.107.0 - avio.h
904 Avio cleanup, part II - deprecate the entire URLContext API:
905 175389c add avio_check as a replacement for url_exist
906 ff1ec0c add avio_pause and avio_seek_time as replacements
907 for _av_url_read_fseek/fpause
908 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
909 should be used instead.
910 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
911 f87b1b3 rename open flags: URL_* -> AVIO_*
912 f8270bb add avio_enum_protocols.
913 5593f03 deprecate URLProtocol.
914 c486dad deprecate URLContext.
915 026e175 deprecate the typedef for URLInterruptCB
916 8e76a19 deprecate av_register_protocol2.
917 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
918 1305d93 deprecate av_url_read_seek
919 fa104e1 deprecate av_url_read_pause
920 727c7aa deprecate url_get_filename().
921 5958df3 deprecate url_max_packet_size().
922 1869ea0 deprecate url_get_file_handle().
923 32a97d4 deprecate url_filesize().
924 e52a914 deprecate url_close().
925 58a48c6 deprecate url_seek().
926 925e908 deprecate url_write().
927 dce3756 deprecate url_read_complete().
928 bc371ac deprecate url_read().
929 0589da0 deprecate url_open().
930 62eaaea deprecate url_connect.
931 5652bb9 deprecate url_alloc.
932 333e894 deprecate url_open_protocol
933 e230705 deprecate url_poll and URLPollEntry
935 2011-04-10 - lavu 50.40.0 - pixfmt.h
936 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
938 2011-04-08 - lavf 52.106.0 - avformat.h
939 Minor avformat.h cleanup:
940 a9bf9d8 deprecate av_guess_image2_codec
941 c3675df rename avf_sdp_create->av_sdp_create
943 2011-04-03 - lavf 52.105.0 - avio.h
944 Large-scale renaming/deprecating of AVIOContext-related functions:
945 724f6a0 deprecate url_fdopen
946 403ee83 deprecate url_open_dyn_packet_buf
947 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
948 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
949 8978fed introduce an AVIOContext.seekable field as a replacement for
950 AVIOContext.is_streamed and url_is_streamed()
951 b64030f deprecate get_checksum()
952 4c4427a deprecate init_checksum()
953 4ec153b deprecate udp_set_remote_url/get_local_port
954 933e90a deprecate av_url_read_fseek/fpause
955 8d9769a deprecate url_fileno
956 b7f2fdd rename put_flush_packet -> avio_flush
957 35f1023 deprecate url_close_buf
958 83fddae deprecate url_open_buf
959 d9d86e0 rename url_fprintf -> avio_printf
960 59f65d9 deprecate url_setbufsize
961 3e68b3b deprecate url_ferror
962 66e5b1d deprecate url_feof
963 e8bb2e2 deprecate url_fget_max_packet_size
964 76aa876 rename url_fsize -> avio_size
965 e519753 deprecate url_fgetc
966 655e45e deprecate url_fgets
967 a2704c9 rename url_ftell -> avio_tell
968 e16ead0 deprecate get_strz() in favor of avio_get_str
969 0300db8,2af07d3 rename url_fskip -> avio_skip
970 6b4aa5d rename url_fseek -> avio_seek
971 61840b4 deprecate put_tag
972 22a3212 rename url_fopen/fclose -> avio_open/close.
973 0ac8e2b deprecate put_nbyte
974 77eb550 rename put_byte -> avio_w8
975 put_[b/l]e<type> -> avio_w[b/l]<type>
976 put_buffer -> avio_write
977 b7effd4 rename get_byte -> avio_r8,
978 get_[b/l]e<type> -> avio_r[b/l]<type>
979 get_buffer -> avio_read
980 b3db9ce deprecate get_partial_buffer
981 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
983 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
984 Add audio_service_type field to AVCodecContext.
986 2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
987 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
988 source stream timebase for outputting timestamps. Deprecate
989 av_pkt_dump and av_pkt_dump_log.
991 2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
992 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
993 original, and move it to a private header so it is no longer
994 part of our public API. Instead, use av_alloc_put_byte().
995 * ae628ec - rename ByteIOContext to AVIOContext.
997 2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
998 lavu 52.39.0 - parseutils.h
999 * 610219a - Add av_ prefix to dump_format().
1000 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
1001 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
1003 2011-02-15 - lavu 52.38.0 - merge libavcore
1004 libavcore is merged back completely into libavutil
1006 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
1007 Add vbv_delay field to AVCodecContext
1009 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
1010 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
1012 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
1013 Add sample_aspect_ratio field to AVFilterLink.
1015 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
1016 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
1018 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
1019 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
1020 set thread_count before calling avcodec_open.
1022 2011-02-09 - 778b08a - lavc 52.111.0 - threading API
1023 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
1024 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
1025 Add thread_type and active_thread_type fields to AVCodecContext.
1027 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
1028 Add av_probe_input_buffer() to avformat.h for probing format from a
1031 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
1032 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
1034 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
1035 Add avformat_free_context() in avformat.h.
1037 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
1038 Add CODEC_ID_PRORES to avcodec.h.
1040 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
1041 Add defines for H.264 * Constrained Baseline and Intra profiles
1043 2011-02-02 - lavf 52.95.0
1044 * 50196a9 - add a new installed header version.h.
1045 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
1046 avio_{put,get}_str* functions. Deprecate corresponding semi-public
1049 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
1050 Make av_dlog public.
1052 2011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
1053 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
1055 2011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()
1056 Add av_metadata_copy() in avformat.h.
1058 2011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque
1059 Deprecate reordered_opaque in favor of pkt_pts/dts.
1061 2011-01-07 - 1919fea - lavc 52.106.0 - pkt_dts
1062 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
1065 2011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_pts
1066 Add pkt_pts to AVFrame.
1068 2011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()
1069 Add av_get_profile_name to libavcodec/avcodec.h.
1071 2010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
1072 Add AV_PERM_NEG_LINESIZES in avfilter.h.
1074 2010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()
1075 Add av_find_best_stream to libavformat/avformat.h.
1077 2010-12-27 - 107a7e3 - lavf 52.90.0
1078 Add AVFMT_NOSTREAMS flag for formats with no streams,
1079 like e.g. text metadata.
1081 2010-12-22 - 0328b9e - lavu 50.36.0 - file.h
1082 Add functions av_file_map() and av_file_unmap() in file.h.
1084 2010-12-19 - 0bc55f5 - lavu 50.35.0 - error.h
1085 Add "not found" error codes:
1086 AVERROR_DEMUXER_NOT_FOUND
1087 AVERROR_MUXER_NOT_FOUND
1088 AVERROR_DECODER_NOT_FOUND
1089 AVERROR_ENCODER_NOT_FOUND
1090 AVERROR_PROTOCOL_NOT_FOUND
1091 AVERROR_FILTER_NOT_FOUND
1092 AVERROR_BSF_NOT_FOUND
1093 AVERROR_STREAM_NOT_FOUND
1095 2010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.h
1096 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
1097 avcodec.h to avcore.h.
1099 2010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
1100 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
1102 2010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()
1103 Deprecate avcodec_pix_fmt_string() in favor of
1104 pixdesc.h/av_get_pix_fmt_string().
1106 2010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()
1107 Add av_image_alloc() to libavcore/imgutils.h.
1109 2010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()
1110 Add function avfilter_graph_create_filter() in avfiltergraph.h.
1112 2010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
1113 Add function avfilter_get_video_buffer_ref_from_arrays() in
1116 2010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.h
1117 Add a public audio channel API in audioconvert.h, and deprecate the
1118 corresponding functions in libavcodec:
1119 avcodec_get_channel_name()
1120 avcodec_get_channel_layout()
1121 avcodec_get_channel_layout_string()
1122 avcodec_channel_layout_num_channels()
1123 and the CH_* macros defined in libavcodec/avcodec.h.
1125 2010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.h
1126 Add av_append_packet().
1128 2010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h
1129 Add av_grow_packet().
1131 2010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h
1132 Add av_parse_color() declared in libavcore/parseutils.h.
1134 2010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext
1135 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
1138 2010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h
1139 Make avfiltergraph.h public.
1141 2010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.h
1142 Remove declarations from avfiltergraph.h for the functions:
1143 avfilter_graph_check_validity()
1144 avfilter_graph_config_links()
1145 avfilter_graph_config_formats()
1146 which are now internal.
1147 Use avfilter_graph_config() instead.
1149 2010-11-08 - d2af720 - lavu 50.33.0 - eval.h
1150 Deprecate functions:
1151 av_parse_and_eval_expr(),
1155 in favor of the functions:
1156 av_expr_parse_and_eval(),
1161 2010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()
1162 Rename avfilter_destroy() to avfilter_free().
1163 This change breaks libavfilter API/ABI.
1165 2010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h
1166 Remove graphparser.h header, move AVFilterInOut and
1167 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
1169 2010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut
1170 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
1171 This change breaks libavfilter API.
1173 2010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()
1174 Rename avfilter_graph_destroy() to avfilter_graph_free().
1175 This change breaks libavfilter API/ABI.
1177 2010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()
1178 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
1180 2010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
1181 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
1182 deprecate av_get_bits_per_sample_format().
1184 2010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.h
1185 Add sample format functions in libavcore/samplefmt.h:
1186 av_get_sample_fmt_name(),
1187 av_get_sample_fmt(),
1188 av_get_sample_fmt_string(),
1189 and deprecate the corresponding libavcodec/audioconvert.h functions:
1190 avcodec_get_sample_fmt_name(),
1191 avcodec_get_sample_fmt(),
1192 avcodec_sample_fmt_string().
1194 2010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.h
1195 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
1198 2010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()
1199 Add the function avfilter_graph_config() in avfiltergraph.h.
1201 2010-10-15 - 03700d3 - lavf 52.83.0 - metadata API
1202 Change demuxers to export metadata in generic format and
1203 muxers to accept generic format. Deprecate the public
1206 2010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base
1207 Add time_base field to AVFilterLink.
1209 2010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()
1210 Move av_set_options_string() from libavfilter/parseutils.h to
1213 2010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLink
1214 Make the AVFilterLink fields srcpad and dstpad store the pointers to
1215 the source and destination pads, rather than their indexes.
1217 2010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()
1218 Move av_get_token() from libavfilter/parseutils.h to
1219 libavutil/avstring.h.
1221 2010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h
1222 Add the functions sws_alloc_context() and sws_init_context().
1224 2010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h
1225 Move libavcodec/opt.h to libavutil/opt.h.
1227 2010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()
1228 Default of av_log() changed due to many problems to the old no repeat
1229 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
1230 enabling it for your app!.
1232 2010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()
1233 Deprecate av_opt_show() in favor or av_opt_show2().
1235 2010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()
1236 Add av_popcount() to libavutil/common.h.
1238 2010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()
1239 Add av_get_cpu_flags().
1241 2010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()
1242 Add av_image_copy().
1244 2010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()
1245 Add av_image_copy_plane().
1247 2010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h
1248 Adopt hierarchical scheme for the imgutils.h function names,
1249 deprecate the old names.
1251 2010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*
1252 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
1253 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
1255 2010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()
1256 Add avcodec_get_channel_layout() in audioconvert.h.
1258 2010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
1259 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
1261 2010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()
1262 Add av_fill_image_max_pixstep() in imgutils.h.
1264 2010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()
1265 Add the AV_NE macro.
1267 2010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework
1268 Implement AVFilterBufferRefAudioProps struct for audio properties,
1269 get_audio_buffer(), filter_samples() functions and related changes.
1271 2010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()
1272 Add av_get_image_linesize() in imgutils.h.
1274 2010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef
1275 Resize data and linesize arrays in AVFilterBufferRef to 8.
1277 This change breaks libavfilter API/ABI.
1279 2010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()
1280 Add av_picture_data_copy in avcodec.h.
1282 2010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()
1283 Change avfilter_open() signature:
1284 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
1285 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
1287 This change breaks libavfilter API/ABI.
1289 2010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRef
1290 Add a type field to AVFilterBufferRef, and move video specific
1291 properties to AVFilterBufferRefVideoProps.
1293 This change breaks libavfilter API/ABI.
1295 2010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLink
1296 Rename AVFilterLink fields:
1297 AVFilterLink.srcpic -> AVFilterLink.src_buf
1298 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
1299 AVFilterLink.outpic -> AVFilterLink.out_buf
1301 2010-08-07 - 7fce481 - lavfi 1.30.0
1302 Rename functions and fields:
1303 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
1304 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
1305 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
1307 2010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef
1308 Rename AVFilterPicRef to AVFilterBufferRef.
1310 2010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer
1311 Move format field from AVFilterBuffer to AVFilterPicRef.
1313 2010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()
1314 Deprecate avcodec_check_dimensions() in favor of the function
1315 av_check_image_size() defined in libavcore/imgutils.h.
1317 2010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBuffer
1318 Increase size of the arrays AVFilterBuffer.data and
1319 AVFilterBuffer.linesize from 4 to 8.
1321 This change breaks libavfilter ABI.
1323 2010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.h
1324 Add functions av_fill_image_linesizes() and
1325 av_fill_image_pointers(), declared in libavcore/imgutils.h.
1327 2010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.h
1328 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
1329 defined in libavcodec in favor of the newly added functions
1330 av_parse_video_size() and av_parse_video_rate() declared in
1331 libavcore/parseutils.h.
1333 2010-07-23 - 4485247 - lavu 50.23.0 - mathematics.h
1334 Add the M_PHI constant definition.
1336 2010-07-22 - bdab614 - lavfi 1.26.0 - media format generalization
1337 Add a type field to AVFilterLink.
1339 Change the field types:
1340 enum PixelFormat format -> int format in AVFilterBuffer
1341 enum PixelFormat *formats -> int *formats in AVFilterFormats
1342 enum PixelFormat *format -> int format in AVFilterLink
1344 Change the function signatures:
1345 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
1346 AVFilterFormats *avfilter_make_format_list(const int *fmts);
1348 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
1349 int avfilter_add_format (AVFilterFormats **avff, int fmt);
1351 AVFilterFormats *avfilter_all_colorspaces(void); ->
1352 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
1354 This change breaks libavfilter API/ABI.
1356 2010-07-21 - aac6ca6 - lavcore 0.0.0
1359 2010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer
1360 Remove w and h fields from AVFilterBuffer.
1362 2010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer
1363 Rename AVFilterPic to AVFilterBuffer.
1365 2010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()
1366 Make url_fskip() return an int error code instead of void.
1368 2010-07-11 - 23940f1 - lavc 52.83.0
1369 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
1371 Deprecate AVCodecContext.use_lpc.
1373 2010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()
1374 Add a function for free the contents of a AVSubtitle generated by
1375 avcodec_decode_subtitle.
1377 2010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h
1378 Make the bswap.h and intreadwrite.h API public.
1380 2010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h
1381 Rename read/write_line() to av_read/write_image_line().
1383 2010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()
1384 Add avfilter_copy_picref_props().
1386 2010-07-03 - 2d525ef - lavc 52.79.0
1387 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
1388 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
1390 2010-07-02 - 89eec74 - lavu 50.20.0 - lfg.h
1391 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
1394 2010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()
1395 Extend av_parse_color() syntax, make it accept an alpha value specifier and
1396 set the alpha value to 255 by default.
1398 2010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
1399 Add priv_data_size and priv_data_class to URLProtocol.
1401 2010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()
1402 Add url_alloc() and url_connect().
1404 2010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()
1405 Add av_register_protocol2(), deprecating av_register_protocol().
1407 2010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()
1408 Add av_compare_mod() to libavutil/mathematics.h.
1410 2010-06-05 - 0b99215 - lavu 50.18.0 - eval API
1411 Make the eval API public.
1413 2010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE
1414 Add AV_BASE64_SIZE() macro.
1416 2010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()
1417 Add av_get_codec_tag_string().
1419 2010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API
1420 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
1422 2010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
1423 Add CODEC_CAP_EXPERIMENTAL flag.
1424 NOTE: this was backported to 0.6
1426 2010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()
1427 Add av_get_random_seed().
1429 2010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
1430 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
1431 NOTE: this was backported to 0.6
1433 2010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef
1434 Add interlaced and top_field_first fields to AVFilterPicRef.
1436 ------------------------------8<-------------------------------------
1437 0.6 branch was cut here
1438 ----------------------------->8--------------------------------------
1440 2010-05-01 - 8e2ee18 - lavf 52.62.0 - probe function
1441 Add av_probe_input_format2 to API, it allows ignoring probe
1442 results below given score and returns the actual probe score.
1444 2010-04-01 - 3dd6180 - lavf 52.61.0 - metadata API
1445 Add a flag for av_metadata_set2() to disable overwriting of
1448 2010-04-01 - 0fb49b5 - lavc 52.66.0
1449 Add avcodec_get_edge_width().
1451 2010-03-31 - d103218 - lavc 52.65.0
1452 Add avcodec_copy_context().
1454 2010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()
1455 Make av_match_ext() public.
1457 2010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType
1458 Move AVMediaType enum from libavcodec to libavutil.
1460 2010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaType
1461 Define AVMediaType enum, and use it instead of enum CodecType, which
1462 is deprecated and will be dropped at the next major bump.
1464 2010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()
1465 Implement av_strerror().
1467 2010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()
1468 Support DCT-I and DST-I.
1470 2010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime
1471 Add AVFormatContext.start_time_realtime field.
1473 2010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos
1474 Add AVFilterPicRef.pos field.
1476 2010-03-13 - 60c144f - lavu 50.12.0 - error.h
1477 Move error code definitions from libavcodec/avcodec.h to
1478 the new public header libavutil/error.h.
1480 2010-03-07 - c709483 - lavc 52.56.0 - avfft.h
1481 Add public FFT interface.
1483 2010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()
1486 2010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()
1487 Add av_tree_enumerate().
1489 2010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()
1490 Add av_compare_ts().
1492 2010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()
1493 Add sws_getCoefficients().
1495 2010-02-01 - ca76a11 - lavf 52.50.0 - metadata API
1496 Add a list of generic tag names, change 'author' -> 'artist',
1499 2010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()
1500 Add av_get_pix_fmt().
1502 2010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()
1503 Change constness attributes of sws_scale() parameters.
1505 2010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()
1506 Add a log_ctx parameter to avfilter_graph_config_links().
1508 2010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()
1509 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
1511 2010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()
1512 Change the avfilter_add_colorspace() signature, make it accept an
1513 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
1515 2010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()
1516 Add avfilter_add_colorspace().
1518 2010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()
1519 Add av_match_ext(), it should be used in place of match_ext().
1521 2010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()
1522 Add av_guess_format(), it should be used in place of guess_format().
1524 2009-12-13 - a181981 - lavf 52.43.0 - metadata API
1525 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
1526 AV_METADATA_DONT_STRDUP_VAL.
1528 2009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API
1531 2009-12-13 - 02b398e - lavc 52.42.0 - AVStream
1534 2009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()
1535 Introduce the av_bmg_next() function.
1537 2009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()
1538 Add a slice_dir parameter to avfilter_draw_slice().
1540 2009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter
1541 Remove the next field from AVFilter, this is not anymore required.
1543 2009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()
1544 Introduce the avfilter_next() function.
1546 2009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()
1547 Change the signature of avfilter_register() to make it return an
1548 int. This is required since now the registration operation may fail.
1550 2009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h API
1551 Make the pixdesc.h API public.
1553 2009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.next
1554 Add a next field to AVFilter, this is used for simplifying the
1555 registration and management of the registered filters.
1557 2009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.description
1558 Add a description field to AVFilter.
1560 2009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()
1561 Change the interface of avfilter_make_format_list() from
1562 avfilter_make_format_list(int n, ...) to
1563 avfilter_make_format_list(enum PixelFormat *pix_fmts).
1565 2009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()
1566 Make avfilter_get_video_buffer() recursive and add the w and h
1569 2009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPic
1570 Add w and h fields to AVFilterPic.
1572 2009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size
1573 This is now an unsigned int instead of a signed int.
1575 2009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.pts
1576 Add a pts field to AVSubtitle which gives the subtitle packet pts
1577 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
1578 not work right without this.
1580 2009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEY
1581 PKT_FLAG_KEY has been deprecated and will be dropped at the next
1582 major version. Use AV_PKT_FLAG_KEY instead.
1584 2009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()
1585 av_lockmgr_register() can be used to register a callback function
1586 that lavc (and in the future, libraries that depend on lavc) can use
1587 to implement mutexes. The application should provide a callback function
1588 that implements the AV_LOCK_* operations described in avcodec.h.
1589 When the lock manager is registered, FFmpeg is guaranteed to behave
1590 correctly in a multi-threaded application.
1592 2009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()
1593 av_free_packet() is no longer an inline function. It is now exported.
1595 2009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
1596 Please use NULL instead. This has been supported since r16506
1597 (lavf > 52.23.1, lavc > 52.10.0).
1599 2009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
1600 The old decoding functions are deprecated, all new code should use the
1601 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
1602 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
1603 argument instead of a const uint8_t *buf / int buf_size pair.
1605 2009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()
1606 Introduce the av_fifo_space() function.
1608 2009-04-02 - fabd246 - lavc 52.23.0 - AVPacket
1609 Move AVPacket declaration from libavformat/avformat.h to
1610 libavcodec/avcodec.h.
1612 2009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formats
1613 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
1614 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
1615 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
1616 PIX_FMT_BGR32_1 are now macros.
1617 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
1618 Re-sort the enum PixelFormat list accordingly.
1619 This change breaks API/ABI backward compatibility.
1621 2009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
1622 Add the enum PixelFormat values:
1623 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
1624 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
1626 2009-03-21 - ee6624e - lavu 50.0.0 - av_random*
1627 The Mersenne Twister PRNG implemented through the av_random* functions
1628 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
1631 2009-03-08 - 41dd680 - lavu 50.0.0 - AVFifoBuffer
1632 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
1633 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
1634 and av_fifo_realloc2.
1635 In addition, the order of the function arguments of av_fifo_generic_read
1636 was changed to match av_fifo_generic_write.
1637 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
1638 applications, they may not use sizeof() or directly access members.
1640 2009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata API
1641 Introduce a new metadata API (see av_metadata_get() and friends).
1642 The old API is now deprecated and should not be used anymore. This especially
1643 includes the following structure fields:
1644 - AVFormatContext.title
1645 - AVFormatContext.author
1646 - AVFormatContext.copyright
1647 - AVFormatContext.comment
1648 - AVFormatContext.album
1649 - AVFormatContext.year
1650 - AVFormatContext.track
1651 - AVFormatContext.genre
1654 - AVProgram.provider_name