1 Never assume the API of libav* to be stable unless at least 1 week has passed since
2 the last major version increase.
3 The last version increases were:
7 libavfilter: 2009-10-18
14 API changes, most recent first:
16 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
17 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
19 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
20 Add sample_aspect_ratio field to AVFilterLink.
22 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
23 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
24 set thread_count before calling avcodec_open.
26 2011-02-09 - 778b08a - lavc 52.111.0 - threading API
27 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
28 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
29 Add thread_type and active_thread_type fields to AVCodecContext.
31 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
32 Add av_probe_input_buffer() to avformat.h for probing format from a
35 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
36 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
38 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
39 Add avformat_free_context() in avformat.h.
41 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
42 Add CODEC_ID_PRORES to avcodec.h.
44 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
45 Add defines for H.264 * Constrained Baseline and Intra profiles
47 2011-02-02 - lavf 52.95.0
48 * 50196a9 - add a new installed header version.h.
49 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
50 avio_{put,get}_str* functions. Deprecate corresponding semi-public
53 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
56 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
57 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
59 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
60 Add av_metadata_copy() in avformat.h.
62 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
63 Deprecate reordered_opaque in favor of pkt_pts/dts.
65 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
66 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
69 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
70 Add pkt_pts to AVFrame.
72 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
73 Add av_get_profile_name to libavcodec/avcodec.h.
75 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
76 Add AV_PERM_NEG_LINESIZES in avfilter.h.
78 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
79 Add av_find_best_stream to libavformat/avformat.h.
81 2010-12-27 - r26103 - lavf 52.90.0
82 Add AVFMT_NOSTREAMS flag for formats with no streams,
83 like e.g. text metadata.
85 2010-12-22 - r26073 - lavu 50.36.0 - file.h
86 Add functions av_file_map() and av_file_unmap() in file.h.
88 2010-12-19 - r26056 - lavu 50.35.0 - error.h
89 Add "not found" error codes:
90 AVERROR_DEMUXER_NOT_FOUND
91 AVERROR_MUXER_NOT_FOUND
92 AVERROR_DECODER_NOT_FOUND
93 AVERROR_ENCODER_NOT_FOUND
94 AVERROR_PROTOCOL_NOT_FOUND
95 AVERROR_FILTER_NOT_FOUND
97 AVERROR_STREAM_NOT_FOUND
99 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
100 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
101 avcodec.h to avcore.h.
103 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
104 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
106 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
107 Deprecate avcodec_pix_fmt_string() in favor of
108 pixdesc.h/av_get_pix_fmt_string().
110 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
111 Add av_image_alloc() to libavcore/imgutils.h.
113 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
114 Add function avfilter_graph_create_filter() in avfiltergraph.h.
116 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
117 Add function avfilter_get_video_buffer_ref_from_arrays() in
120 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
121 Add a public audio channel API in audioconvert.h, and deprecate the
122 corresponding functions in libavcodec:
123 avcodec_get_channel_name()
124 avcodec_get_channel_layout()
125 avcodec_get_channel_layout_string()
126 avcodec_channel_layout_num_channels()
127 and the CH_* macros defined in libavcodec/avcodec.h.
129 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
130 Add av_append_packet().
132 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
133 Add av_grow_packet().
135 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
136 Add av_parse_color() declared in libavcore/parseutils.h.
138 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
139 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
142 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
143 Make avfiltergraph.h public.
145 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
146 Remove declarations from avfiltergraph.h for the functions:
147 avfilter_graph_check_validity()
148 avfilter_graph_config_links()
149 avfilter_graph_config_formats()
150 which are now internal.
151 Use avfilter_graph_config() instead.
153 2010-11-08 - r25708 - lavu 50.33.0 - eval.h
155 av_parse_and_eval_expr(),
159 in favor of the functions:
160 av_expr_parse_and_eval(),
165 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
166 Rename avfilter_destroy() to avfilter_free().
167 This change breaks libavfilter API/ABI.
169 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
170 Remove graphparser.h header, move AVFilterInOut and
171 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
173 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
174 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
175 This change breaks libavfilter API.
177 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
178 Rename avfilter_graph_destroy() to avfilter_graph_free().
179 This change breaks libavfilter API/ABI.
181 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
182 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
184 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
185 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
186 deprecate av_get_bits_per_sample_format().
188 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
189 Add sample format functions in libavcore/samplefmt.h:
190 av_get_sample_fmt_name(),
192 av_get_sample_fmt_string(),
193 and deprecate the corresponding libavcodec/audioconvert.h functions:
194 avcodec_get_sample_fmt_name(),
195 avcodec_get_sample_fmt(),
196 avcodec_sample_fmt_string().
198 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
199 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
202 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
203 Add the function avfilter_graph_config() in avfiltergraph.h.
205 2010-10-15 - r25493 - lavf 52.83.0 - metadata API
206 Change demuxers to export metadata in generic format and
207 muxers to accept generic format. Deprecate the public
210 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
211 Add time_base field to AVFilterLink.
213 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
214 Move av_set_options_string() from libavfilter/parseutils.h to
217 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
218 Make the AVFilterLink fields srcpad and dstpad store the pointers to
219 the source and destination pads, rather than their indexes.
221 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
222 Move av_get_token() from libavfilter/parseutils.h to
223 libavutil/avstring.h.
225 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
226 Add the functions sws_alloc_context() and sws_init_context().
228 2010-09-26 - r25210 - lavu 50.29.0 - opt.h
229 Move libavcodec/opt.h to libavutil/opt.h.
231 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
232 Default of av_log() changed due to many problems to the old no repeat
233 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
234 enabling it for your app!.
236 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
237 Deprecate av_opt_show() in favor or av_opt_show2().
239 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
240 Add av_popcount() to libavutil/common.h.
242 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
243 Add av_get_cpu_flags().
245 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
248 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
249 Add av_image_copy_plane().
251 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
252 Adopt hierarchical scheme for the imgutils.h function names,
253 deprecate the old names.
255 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
256 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
257 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
259 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
260 Add avcodec_get_channel_layout() in audioconvert.h.
262 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
263 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
265 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
266 Add av_fill_image_max_pixstep() in imgutils.h.
268 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
271 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
272 Implement AVFilterBufferRefAudioProps struct for audio properties,
273 get_audio_buffer(), filter_samples() functions and related changes.
275 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
276 Add av_get_image_linesize() in imgutils.h.
278 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
279 Resize data and linesize arrays in AVFilterBufferRef to 8.
281 This change breaks libavfilter API/ABI.
283 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
284 Add av_picture_data_copy in avcodec.h.
286 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
287 Change avfilter_open() signature:
288 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
289 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
291 This change breaks libavfilter API/ABI.
293 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
294 Add a type field to AVFilterBufferRef, and move video specific
295 properties to AVFilterBufferRefVideoProps.
297 This change breaks libavfilter API/ABI.
299 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
300 Rename AVFilterLink fields:
301 AVFilterLink.srcpic -> AVFilterLink.src_buf
302 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
303 AVFilterLink.outpic -> AVFilterLink.out_buf
305 2010-08-07 - r24731 - lavfi 1.30.0
306 Rename functions and fields:
307 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
308 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
309 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
311 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
312 Rename AVFilterPicRef to AVFilterBufferRef.
314 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
315 Move format field from AVFilterBuffer to AVFilterPicRef.
317 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
318 Deprecate avcodec_check_dimensions() in favor of the function
319 av_check_image_size() defined in libavcore/imgutils.h.
321 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
322 Increase size of the arrays AVFilterBuffer.data and
323 AVFilterBuffer.linesize from 4 to 8.
325 This change breaks libavfilter ABI.
327 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
328 Add functions av_fill_image_linesizes() and
329 av_fill_image_pointers(), declared in libavcore/imgutils.h.
331 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
332 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
333 defined in libavcodec in favor of the newly added functions
334 av_parse_video_size() and av_parse_video_rate() declared in
335 libavcore/parseutils.h.
337 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
338 Add the M_PHI constant definition.
340 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
341 Add a type field to AVFilterLink.
343 Change the field types:
344 enum PixelFormat format -> int format in AVFilterBuffer
345 enum PixelFormat *formats -> int *formats in AVFilterFormats
346 enum PixelFormat *format -> int format in AVFilterLink
348 Change the function signatures:
349 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
350 AVFilterFormats *avfilter_make_format_list(const int *fmts);
352 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
353 int avfilter_add_format (AVFilterFormats **avff, int fmt);
355 AVFilterFormats *avfilter_all_colorspaces(void); ->
356 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
358 This change breaks libavfilter API/ABI.
360 2010-07-21 - r24393 - lavcore 0.0.0
363 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
364 Remove w and h fields from AVFilterBuffer.
366 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
367 Rename AVFilterPic to AVFilterBuffer.
369 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
370 Make url_fskip() return an int error code instead of void.
372 2010-07-11 - r24199 - lavc 52.83.0
373 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
375 Deprecate AVCodecContext.use_lpc.
377 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
378 Add a function for free the contents of a AVSubtitle generated by
379 avcodec_decode_subtitle.
381 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
382 Make the bswap.h and intreadwrite.h API public.
384 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
385 Rename read/write_line() to av_read/write_image_line().
387 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
388 Add avfilter_copy_picref_props().
390 2010-07-03 - r24021 - lavc 52.79.0
391 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
392 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
394 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h
395 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
398 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
399 Extend av_parse_color() syntax, make it accept an alpha value specifier and
400 set the alpha value to 255 by default.
402 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
403 Add priv_data_size and priv_data_class to URLProtocol.
405 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
406 Add url_alloc() and url_connect().
408 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
409 Add av_register_protocol2(), deprecating av_register_protocol().
411 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
412 Add av_compare_mod() to libavutil/mathematics.h.
414 2010-06-05 - r23485 - lavu 50.18.0 - eval API
415 Make the eval API public.
417 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
418 Add AV_BASE64_SIZE() macro.
420 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
421 Add av_get_codec_tag_string().
423 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
424 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
426 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
427 Add CODEC_CAP_EXPERIMENTAL flag.
429 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
430 Add av_get_random_seed().
432 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
433 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
435 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
436 Add interlaced and top_field_first fields to AVFilterPicRef.
438 2010-05-01 - r23002 - lavf 52.62.0 - probe function
439 Add av_probe_input_format2 to API, it allows ignoring probe
440 results below given score and returns the actual probe score.
442 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
443 Add a flag for av_metadata_set2() to disable overwriting of
446 2010-04-01 - r22753 - lavc 52.66.0
447 Add avcodec_get_edge_width().
449 2010-03-31 - r22750 - lavc 52.65.0
450 Add avcodec_copy_context().
452 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
453 Make av_match_ext() public.
455 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
456 Move AVMediaType enum from libavcodec to libavutil.
458 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
459 Define AVMediaType enum, and use it instead of enum CodecType, which
460 is deprecated and will be dropped at the next major bump.
462 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
463 Implement av_strerror().
465 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
466 Support DCT-I and DST-I.
468 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
469 Add AVFormatContext.start_time_realtime field.
471 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
472 Add AVFilterPicRef.pos field.
474 2010-03-13 - r22501 - lavu 50.12.0 - error.h
475 Move error code definitions from libavcodec/avcodec.h to
476 the new public header libavutil/error.h.
478 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h
479 Add public FFT interface.
481 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
484 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
485 Add av_tree_enumerate().
487 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
490 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
491 Add sws_getCoefficients().
493 2010-02-01 - r21587 - lavf 52.50.0 - metadata API
494 Add a list of generic tag names, change 'author' -> 'artist',
497 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
498 Add av_get_pix_fmt().
500 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
501 Change constness attributes of sws_scale() parameters.
503 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
504 Add a log_ctx parameter to avfilter_graph_config_links().
506 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
507 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
509 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
510 Change the avfilter_add_colorspace() signature, make it accept an
511 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
513 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
514 Add avfilter_add_colorspace().
516 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
517 Add av_match_ext(), it should be used in place of match_ext().
519 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
520 Add av_guess_format(), it should be used in place of guess_format().
522 2009-12-13 - r20834 - lavf 52.43.0 - metadata API
523 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
524 AV_METADATA_DONT_STRDUP_VAL.
526 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
529 2009-12-13 - r20826 - lavc 52.42.0 - AVStream
532 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
533 Introduce the av_bmg_next() function.
535 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
536 Add a slice_dir parameter to avfilter_draw_slice().
538 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
539 Remove the next field from AVFilter, this is not anymore required.
541 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
542 Introduce the avfilter_next() function.
544 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
545 Change the signature of avfilter_register() to make it return an
546 int. This is required since now the registration operation may fail.
548 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
549 Make the pixdesc.h API public.
551 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
552 Add a next field to AVFilter, this is used for simplifying the
553 registration and management of the registered filters.
555 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
556 Add a description field to AVFilter.
558 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
559 Change the interface of avfilter_make_format_list() from
560 avfilter_make_format_list(int n, ...) to
561 avfilter_make_format_list(enum PixelFormat *pix_fmts).
563 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
564 Make avfilter_get_video_buffer() recursive and add the w and h
567 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
568 Add w and h fields to AVFilterPic.
570 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
571 This is now an unsigned int instead of a signed int.
573 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
574 Add a pts field to AVSubtitle which gives the subtitle packet pts
575 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
576 not work right without this.
578 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
579 PKT_FLAG_KEY has been deprecated and will be dropped at the next
580 major version. Use AV_PKT_FLAG_KEY instead.
582 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
583 av_lockmgr_register() can be used to register a callback function
584 that lavc (and in the future, libraries that depend on lavc) can use
585 to implement mutexes. The application should provide a callback function
586 that implements the AV_LOCK_* operations described in avcodec.h.
587 When the lock manager is registered, FFmpeg is guaranteed to behave
588 correctly in a multi-threaded application.
590 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
591 av_free_packet() is no longer an inline function. It is now exported.
593 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
594 Please use NULL instead. This has been supported since r16506
595 (lavf > 52.23.1, lavc > 52.10.0).
597 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
598 The old decoding functions are deprecated, all new code should use the
599 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
600 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
601 argument instead of a const uint8_t *buf / int buf_size pair.
603 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
604 Introduce the av_fifo_space() function.
606 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
607 Move AVPacket declaration from libavformat/avformat.h to
608 libavcodec/avcodec.h.
610 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
611 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
612 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
613 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
614 PIX_FMT_BGR32_1 are now macros.
615 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
616 Re-sort the enum PixelFormat list accordingly.
617 This change breaks API/ABI backward compatibility.
619 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
620 Add the enum PixelFormat values:
621 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
622 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
624 2009-03-21 - r18116 - lavu 50.0.0 - av_random*
625 The Mersenne Twister PRNG implemented through the av_random* functions
626 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
629 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
630 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
631 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
632 and av_fifo_realloc2.
633 In addition, the order of the function arguments of av_fifo_generic_read
634 was changed to match av_fifo_generic_write.
635 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
636 applications, they may not use sizeof() or directly access members.
638 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
639 Introduce a new metadata API (see av_metadata_get() and friends).
640 The old API is now deprecated and should not be used anymore. This especially
641 includes the following structure fields:
642 - AVFormatContext.title
643 - AVFormatContext.author
644 - AVFormatContext.copyright
645 - AVFormatContext.comment
646 - AVFormatContext.album
647 - AVFormatContext.year
648 - AVFormatContext.track
649 - AVFormatContext.genre
652 - AVProgram.provider_name