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 2011-02-02 - lavf 52.95.0
17 * 50196a9 - add a new installed header version.h.
18 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
19 avio_{put,get}_str* functions. Deprecate corresponding semi-public
22 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
25 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
26 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
28 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
29 Add av_metadata_copy() in avformat.h.
31 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
32 Deprecate reordered_opaque in favor of pkt_pts/dts.
34 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
35 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
38 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
39 Add pkt_pts to AVFrame.
41 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
42 Add av_get_profile_name to libavcodec/avcodec.h.
44 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
45 Add AV_PERM_NEG_LINESIZES in avfilter.h.
47 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
48 Add av_find_best_stream to libavformat/avformat.h.
50 2010-12-27 - r26103 - lavf 52.90.0
51 Add AVFMT_NOSTREAMS flag for formats with no streams,
52 like e.g. text metadata.
54 2010-12-22 - r26073 - lavu 50.36.0 - file.h
55 Add functions av_file_map() and av_file_unmap() in file.h.
57 2010-12-19 - r26056 - lavu 50.35.0 - error.h
58 Add "not found" error codes:
59 AVERROR_DEMUXER_NOT_FOUND
60 AVERROR_MUXER_NOT_FOUND
61 AVERROR_DECODER_NOT_FOUND
62 AVERROR_ENCODER_NOT_FOUND
63 AVERROR_PROTOCOL_NOT_FOUND
64 AVERROR_FILTER_NOT_FOUND
66 AVERROR_STREAM_NOT_FOUND
68 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
69 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
70 avcodec.h to avcore.h.
72 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
73 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
75 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
76 Deprecate avcodec_pix_fmt_string() in favor of
77 pixdesc.h/av_get_pix_fmt_string().
79 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
80 Add av_image_alloc() to libavcore/imgutils.h.
82 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
83 Add function avfilter_graph_create_filter() in avfiltergraph.h.
85 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
86 Add function avfilter_get_video_buffer_ref_from_arrays() in
89 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
90 Add a public audio channel API in audioconvert.h, and deprecate the
91 corresponding functions in libavcodec:
92 avcodec_get_channel_name()
93 avcodec_get_channel_layout()
94 avcodec_get_channel_layout_string()
95 avcodec_channel_layout_num_channels()
96 and the CH_* macros defined in libavcodec/avcodec.h.
98 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
99 Add av_append_packet().
101 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
102 Add av_grow_packet().
104 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
105 Add av_parse_color() declared in libavcore/parseutils.h.
107 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
108 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
111 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
112 Make avfiltergraph.h public.
114 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
115 Remove declarations from avfiltergraph.h for the functions:
116 avfilter_graph_check_validity()
117 avfilter_graph_config_links()
118 avfilter_graph_config_formats()
119 which are now internal.
120 Use avfilter_graph_config() instead.
122 2010-11-08 - r25708 - lavu 50.33.0 - eval.h
124 av_parse_and_eval_expr(),
128 in favor of the functions:
129 av_expr_parse_and_eval(),
134 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
135 Rename avfilter_destroy() to avfilter_free().
136 This change breaks libavfilter API/ABI.
138 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
139 Remove graphparser.h header, move AVFilterInOut and
140 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
142 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
143 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
144 This change breaks libavfilter API.
146 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
147 Rename avfilter_graph_destroy() to avfilter_graph_free().
148 This change breaks libavfilter API/ABI.
150 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
151 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
153 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
154 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
155 deprecate av_get_bits_per_sample_format().
157 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
158 Add sample format functions in libavcore/samplefmt.h:
159 av_get_sample_fmt_name(),
161 av_get_sample_fmt_string(),
162 and deprecate the corresponding libavcodec/audioconvert.h functions:
163 avcodec_get_sample_fmt_name(),
164 avcodec_get_sample_fmt(),
165 avcodec_sample_fmt_string().
167 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
168 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
171 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
172 Add the function avfilter_graph_config() in avfiltergraph.h.
174 2010-10-15 - r25493 - lavf 52.83.0 - metadata API
175 Change demuxers to export metadata in generic format and
176 muxers to accept generic format. Deprecate the public
179 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
180 Add time_base field to AVFilterLink.
182 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
183 Move av_set_options_string() from libavfilter/parseutils.h to
186 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
187 Make the AVFilterLink fields srcpad and dstpad store the pointers to
188 the source and destination pads, rather than their indexes.
190 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
191 Move av_get_token() from libavfilter/parseutils.h to
192 libavutil/avstring.h.
194 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
195 Add the functions sws_alloc_context() and sws_init_context().
197 2010-09-26 - r25210 - lavu 50.29.0 - opt.h
198 Move libavcodec/opt.h to libavutil/opt.h.
200 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
201 Default of av_log() changed due to many problems to the old no repeat
202 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
203 enabling it for your app!.
205 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
206 Deprecate av_opt_show() in favor or av_opt_show2().
208 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
209 Add av_popcount() to libavutil/common.h.
211 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
212 Add av_get_cpu_flags().
214 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
217 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
218 Add av_image_copy_plane().
220 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
221 Adopt hierarchical scheme for the imgutils.h function names,
222 deprecate the old names.
224 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
225 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
226 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
228 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
229 Add avcodec_get_channel_layout() in audioconvert.h.
231 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
232 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
234 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
235 Add av_fill_image_max_pixstep() in imgutils.h.
237 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
240 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
241 Implement AVFilterBufferRefAudioProps struct for audio properties,
242 get_audio_buffer(), filter_samples() functions and related changes.
244 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
245 Add av_get_image_linesize() in imgutils.h.
247 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
248 Resize data and linesize arrays in AVFilterBufferRef to 8.
250 This change breaks libavfilter API/ABI.
252 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
253 Add av_picture_data_copy in avcodec.h.
255 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
256 Change avfilter_open() signature:
257 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
258 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
260 This change breaks libavfilter API/ABI.
262 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
263 Add a type field to AVFilterBufferRef, and move video specific
264 properties to AVFilterBufferRefVideoProps.
266 This change breaks libavfilter API/ABI.
268 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
269 Rename AVFilterLink fields:
270 AVFilterLink.srcpic -> AVFilterLink.src_buf
271 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
272 AVFilterLink.outpic -> AVFilterLink.out_buf
274 2010-08-07 - r24731 - lavfi 1.30.0
275 Rename functions and fields:
276 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
277 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
278 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
280 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
281 Rename AVFilterPicRef to AVFilterBufferRef.
283 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
284 Move format field from AVFilterBuffer to AVFilterPicRef.
286 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
287 Deprecate avcodec_check_dimensions() in favor of the function
288 av_check_image_size() defined in libavcore/imgutils.h.
290 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
291 Increase size of the arrays AVFilterBuffer.data and
292 AVFilterBuffer.linesize from 4 to 8.
294 This change breaks libavfilter ABI.
296 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
297 Add functions av_fill_image_linesizes() and
298 av_fill_image_pointers(), declared in libavcore/imgutils.h.
300 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
301 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
302 defined in libavcodec in favor of the newly added functions
303 av_parse_video_size() and av_parse_video_rate() declared in
304 libavcore/parseutils.h.
306 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
307 Add the M_PHI constant definition.
309 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
310 Add a type field to AVFilterLink.
312 Change the field types:
313 enum PixelFormat format -> int format in AVFilterBuffer
314 enum PixelFormat *formats -> int *formats in AVFilterFormats
315 enum PixelFormat *format -> int format in AVFilterLink
317 Change the function signatures:
318 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
319 AVFilterFormats *avfilter_make_format_list(const int *fmts);
321 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
322 int avfilter_add_format (AVFilterFormats **avff, int fmt);
324 AVFilterFormats *avfilter_all_colorspaces(void); ->
325 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
327 This change breaks libavfilter API/ABI.
329 2010-07-21 - r24393 - lavcore 0.0.0
332 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
333 Remove w and h fields from AVFilterBuffer.
335 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
336 Rename AVFilterPic to AVFilterBuffer.
338 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
339 Make url_fskip() return an int error code instead of void.
341 2010-07-11 - r24199 - lavc 52.83.0
342 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
344 Deprecate AVCodecContext.use_lpc.
346 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
347 Add a function for free the contents of a AVSubtitle generated by
348 avcodec_decode_subtitle.
350 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
351 Make the bswap.h and intreadwrite.h API public.
353 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
354 Rename read/write_line() to av_read/write_image_line().
356 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
357 Add avfilter_copy_picref_props().
359 2010-07-03 - r24021 - lavc 52.79.0
360 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
361 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
363 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h
364 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
367 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
368 Extend av_parse_color() syntax, make it accept an alpha value specifier and
369 set the alpha value to 255 by default.
371 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
372 Add priv_data_size and priv_data_class to URLProtocol.
374 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
375 Add url_alloc() and url_connect().
377 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
378 Add av_register_protocol2(), deprecating av_register_protocol().
380 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
381 Add av_compare_mod() to libavutil/mathematics.h.
383 2010-06-05 - r23485 - lavu 50.18.0 - eval API
384 Make the eval API public.
386 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
387 Add AV_BASE64_SIZE() macro.
389 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
390 Add av_get_codec_tag_string().
392 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
393 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
395 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
396 Add CODEC_CAP_EXPERIMENTAL flag.
398 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
399 Add av_get_random_seed().
401 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
402 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
404 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
405 Add interlaced and top_field_first fields to AVFilterPicRef.
407 2010-05-01 - r23002 - lavf 52.62.0 - probe function
408 Add av_probe_input_format2 to API, it allows ignoring probe
409 results below given score and returns the actual probe score.
411 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
412 Add a flag for av_metadata_set2() to disable overwriting of
415 2010-04-01 - r22753 - lavc 52.66.0
416 Add avcodec_get_edge_width().
418 2010-03-31 - r22750 - lavc 52.65.0
419 Add avcodec_copy_context().
421 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
422 Make av_match_ext() public.
424 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
425 Move AVMediaType enum from libavcodec to libavutil.
427 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
428 Define AVMediaType enum, and use it instead of enum CodecType, which
429 is deprecated and will be dropped at the next major bump.
431 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
432 Implement av_strerror().
434 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
435 Support DCT-I and DST-I.
437 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
438 Add AVFormatContext.start_time_realtime field.
440 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
441 Add AVFilterPicRef.pos field.
443 2010-03-13 - r22501 - lavu 50.12.0 - error.h
444 Move error code definitions from libavcodec/avcodec.h to
445 the new public header libavutil/error.h.
447 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h
448 Add public FFT interface.
450 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
453 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
454 Add av_tree_enumerate().
456 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
459 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
460 Add sws_getCoefficients().
462 2010-02-01 - r21587 - lavf 52.50.0 - metadata API
463 Add a list of generic tag names, change 'author' -> 'artist',
466 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
467 Add av_get_pix_fmt().
469 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
470 Change constness attributes of sws_scale() parameters.
472 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
473 Add a log_ctx parameter to avfilter_graph_config_links().
475 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
476 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
478 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
479 Change the avfilter_add_colorspace() signature, make it accept an
480 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
482 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
483 Add avfilter_add_colorspace().
485 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
486 Add av_match_ext(), it should be used in place of match_ext().
488 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
489 Add av_guess_format(), it should be used in place of guess_format().
491 2009-12-13 - r20834 - lavf 52.43.0 - metadata API
492 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
493 AV_METADATA_DONT_STRDUP_VAL.
495 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
498 2009-12-13 - r20826 - lavc 52.42.0 - AVStream
501 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
502 Introduce the av_bmg_next() function.
504 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
505 Add a slice_dir parameter to avfilter_draw_slice().
507 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
508 Remove the next field from AVFilter, this is not anymore required.
510 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
511 Introduce the avfilter_next() function.
513 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
514 Change the signature of avfilter_register() to make it return an
515 int. This is required since now the registration operation may fail.
517 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
518 Make the pixdesc.h API public.
520 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
521 Add a next field to AVFilter, this is used for simplifying the
522 registration and management of the registered filters.
524 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
525 Add a description field to AVFilter.
527 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
528 Change the interface of avfilter_make_format_list() from
529 avfilter_make_format_list(int n, ...) to
530 avfilter_make_format_list(enum PixelFormat *pix_fmts).
532 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
533 Make avfilter_get_video_buffer() recursive and add the w and h
536 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
537 Add w and h fields to AVFilterPic.
539 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
540 This is now an unsigned int instead of a signed int.
542 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
543 Add a pts field to AVSubtitle which gives the subtitle packet pts
544 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
545 not work right without this.
547 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
548 PKT_FLAG_KEY has been deprecated and will be dropped at the next
549 major version. Use AV_PKT_FLAG_KEY instead.
551 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
552 av_lockmgr_register() can be used to register a callback function
553 that lavc (and in the future, libraries that depend on lavc) can use
554 to implement mutexes. The application should provide a callback function
555 that implements the AV_LOCK_* operations described in avcodec.h.
556 When the lock manager is registered, FFmpeg is guaranteed to behave
557 correctly in a multi-threaded application.
559 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
560 av_free_packet() is no longer an inline function. It is now exported.
562 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
563 Please use NULL instead. This has been supported since r16506
564 (lavf > 52.23.1, lavc > 52.10.0).
566 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
567 The old decoding functions are deprecated, all new code should use the
568 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
569 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
570 argument instead of a const uint8_t *buf / int buf_size pair.
572 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
573 Introduce the av_fifo_space() function.
575 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
576 Move AVPacket declaration from libavformat/avformat.h to
577 libavcodec/avcodec.h.
579 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
580 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
581 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
582 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
583 PIX_FMT_BGR32_1 are now macros.
584 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
585 Re-sort the enum PixelFormat list accordingly.
586 This change breaks API/ABI backward compatibility.
588 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
589 Add the enum PixelFormat values:
590 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
591 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
593 2009-03-21 - r18116 - lavu 50.0.0 - av_random*
594 The Mersenne Twister PRNG implemented through the av_random* functions
595 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
598 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
599 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
600 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
601 and av_fifo_realloc2.
602 In addition, the order of the function arguments of av_fifo_generic_read
603 was changed to match av_fifo_generic_write.
604 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
605 applications, they may not use sizeof() or directly access members.
607 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
608 Introduce a new metadata API (see av_metadata_get() and friends).
609 The old API is now deprecated and should not be used anymore. This especially
610 includes the following structure fields:
611 - AVFormatContext.title
612 - AVFormatContext.author
613 - AVFormatContext.copyright
614 - AVFormatContext.comment
615 - AVFormatContext.album
616 - AVFormatContext.year
617 - AVFormatContext.track
618 - AVFormatContext.genre
621 - AVProgram.provider_name