Add av_printf_format, for marking printf style format strings and their parameters
[libav.git] / doc / APIchanges
1 Never assume the API of libav* to be stable unless at least 1 month has passed
2 since the last major version increase.
3
4 The last version increases were:
5 libavcodec: 2011-04-18
6 libavdevice: 2011-04-18
7 libavfilter: 2011-04-18
8 libavformat: 2011-04-18
9 libpostproc: 2011-04-18
10 libswscale: 2011-06-20
11 libavutil: 2011-04-18
12
13
14 API changes, most recent first:
15
16 2011-06-xx - xxxxxxx - lavu 51.8.0 - attributes.h
17 Add av_printf_format().
18
19 2011-06-xx - xxxxxxx - lavf 53.2.0 - avformat.h
20 Add avformat_open_input and avformat_write_header().
21 Deprecate av_open_input_stream, av_open_input_file,
22 AVFormatParameters and av_write_header.
23
24 2011-06-xx - xxxxxxx - lavu 51.7.0 - opt.h
25 Add av_opt_set_dict() and av_opt_find().
26 Deprecate av_find_opt().
27 Add AV_DICT_APPEND flag.
28
29 2011-06-xx - xxxxxxx - lavu 51.6.0 - opt.h
30 Add av_opt_flag_is_set().
31
32 2011-06-xx - xxxxxxx - lavu 51.5.0 - AVMetadata
33 Move AVMetadata from lavf to lavu and rename it to
34 AVDictionary -- new installed header dict.h.
35 All av_metadata_* functions renamed to av_dict_*.
36
37 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
38 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
39 Deprecate av_get_bits_per_sample_fmt().
40
41 2011-06-xx - xxxxxxx - lavu 51.3.0 - opt.h
42 Add av_opt_free convenience function.
43
44 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
45 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
46 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
47
48 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
49 Add fps_probe_size to AVFormatContext.
50
51 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
52 Add request_sample_fmt field to AVCodecContext.
53
54 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
55 Deprecate AVLPCType and the following fields in
56 AVCodecContext: lpc_coeff_precision, prediction_order_method,
57 min_partition_order, max_partition_order, lpc_type, lpc_passes.
58 Corresponding FLAC encoder options should be used instead.
59
60 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
61 Add AVPictureType enum and av_get_picture_type_char(), deprecate
62 FF_*_TYPE defines and av_get_pict_type_char() defined in
63 libavcodec/avcodec.h.
64
65 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
66 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
67
68 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
69 Add sample_aspect_ratio fields to vsrc_buffer arguments
70
71 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
72 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
73
74 2011-04-15 - lavc 52.120.0 - avcodec.h
75 AVPacket structure got additional members for passing side information:
76 4de339e introduce side information for AVPacket
77 2d8591c make containers pass palette change in AVPacket
78
79 2011-04-12 - lavf 52.107.0 - avio.h
80 Avio cleanup, part II - deprecate the entire URLContext API:
81 175389c add avio_check as a replacement for url_exist
82 ff1ec0c add avio_pause and avio_seek_time as replacements
83 for _av_url_read_fseek/fpause
84 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
85 should be used instead.
86 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
87 f87b1b3 rename open flags: URL_* -> AVIO_*
88 f8270bb add avio_enum_protocols.
89 5593f03 deprecate URLProtocol.
90 c486dad deprecate URLContext.
91 026e175 deprecate the typedef for URLInterruptCB
92 8e76a19 deprecate av_register_protocol2.
93 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
94 1305d93 deprecate av_url_read_seek
95 fa104e1 deprecate av_url_read_pause
96 727c7aa deprecate url_get_filename().
97 5958df3 deprecate url_max_packet_size().
98 1869ea0 deprecate url_get_file_handle().
99 32a97d4 deprecate url_filesize().
100 e52a914 deprecate url_close().
101 58a48c6 deprecate url_seek().
102 925e908 deprecate url_write().
103 dce3756 deprecate url_read_complete().
104 bc371ac deprecate url_read().
105 0589da0 deprecate url_open().
106 62eaaea deprecate url_connect.
107 5652bb9 deprecate url_alloc.
108 333e894 deprecate url_open_protocol
109 e230705 deprecate url_poll and URLPollEntry
110
111 2011-04-10 - lavu 50.40.0 - pixfmt.h
112 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
113
114 2011-04-08 - lavf 52.106.0 - avformat.h
115 Minor avformat.h cleanup:
116 a9bf9d8 deprecate av_guess_image2_codec
117 c3675df rename avf_sdp_create->av_sdp_create
118
119 2011-04-03 - lavf 52.105.0 - avio.h
120 Large-scale renaming/deprecating of AVIOContext-related functions:
121 724f6a0 deprecate url_fdopen
122 403ee83 deprecate url_open_dyn_packet_buf
123 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
124 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
125 8978fed introduce an AVIOContext.seekable field as a replacement for
126 AVIOContext.is_streamed and url_is_streamed()
127 b64030f deprecate get_checksum()
128 4c4427a deprecate init_checksum()
129 4ec153b deprecate udp_set_remote_url/get_local_port
130 933e90a deprecate av_url_read_fseek/fpause
131 8d9769a deprecate url_fileno
132 b7f2fdd rename put_flush_packet -> avio_flush
133 35f1023 deprecate url_close_buf
134 83fddae deprecate url_open_buf
135 d9d86e0 rename url_fprintf -> avio_printf
136 59f65d9 deprecate url_setbufsize
137 3e68b3b deprecate url_ferror
138 66e5b1d deprecate url_feof
139 e8bb2e2 deprecate url_fget_max_packet_size
140 76aa876 rename url_fsize -> avio_size
141 e519753 deprecate url_fgetc
142 655e45e deprecate url_fgets
143 a2704c9 rename url_ftell -> avio_tell
144 e16ead0 deprecate get_strz() in favor of avio_get_str
145 0300db8,2af07d3 rename url_fskip -> avio_skip
146 6b4aa5d rename url_fseek -> avio_seek
147 61840b4 deprecate put_tag
148 22a3212 rename url_fopen/fclose -> avio_open/close.
149 0ac8e2b deprecate put_nbyte
150 77eb550 rename put_byte -> avio_w8
151 put_[b/l]e<type> -> avio_w[b/l]<type>
152 put_buffer -> avio_write
153 b7effd4 rename get_byte -> avio_r8,
154 get_[b/l]e<type> -> avio_r[b/l]<type>
155 get_buffer -> avio_read
156 b3db9ce deprecate get_partial_buffer
157 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
158
159 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
160 Add audio_service_type field to AVCodecContext.
161
162 2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
163 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
164 source stream timebase for outputting timestamps. Deprecate
165 av_pkt_dump and av_pkt_dump_log.
166
167 2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
168 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
169 original, and move it to a private header so it is no longer
170 part of our public API. Instead, use av_alloc_put_byte().
171 * ae628ec - rename ByteIOContext to AVIOContext.
172
173 2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
174 lavu 52.39.0 - parseutils.h
175 * 610219a - Add av_ prefix to dump_format().
176 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
177 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
178
179 2011-02-15 - lavu 52.38.0 - merge libavcore
180 libavcore is merged back completely into libavutil
181
182 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
183 Add vbv_delay field to AVCodecContext
184
185 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
186 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
187
188 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
189 Add sample_aspect_ratio field to AVFilterLink.
190
191 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
192 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
193
194 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
195 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
196 set thread_count before calling avcodec_open.
197
198 2011-02-09 - 778b08a - lavc 52.111.0 - threading API
199 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
200 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
201 Add thread_type and active_thread_type fields to AVCodecContext.
202
203 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
204 Add av_probe_input_buffer() to avformat.h for probing format from a
205 ByteIOContext.
206
207 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
208 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
209
210 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
211 Add avformat_free_context() in avformat.h.
212
213 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
214 Add CODEC_ID_PRORES to avcodec.h.
215
216 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
217 Add defines for H.264 * Constrained Baseline and Intra profiles
218
219 2011-02-02 - lavf 52.95.0
220 * 50196a9 - add a new installed header version.h.
221 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
222 avio_{put,get}_str* functions. Deprecate corresponding semi-public
223 {put,get}_str*.
224
225 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
226 Make av_dlog public.
227
228 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
229 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
230
231 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
232 Add av_metadata_copy() in avformat.h.
233
234 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
235 Deprecate reordered_opaque in favor of pkt_pts/dts.
236
237 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
238 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
239 to not mess up dts.
240
241 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
242 Add pkt_pts to AVFrame.
243
244 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
245 Add av_get_profile_name to libavcodec/avcodec.h.
246
247 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
248 Add AV_PERM_NEG_LINESIZES in avfilter.h.
249
250 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
251 Add av_find_best_stream to libavformat/avformat.h.
252
253 2010-12-27 - r26103 - lavf 52.90.0
254 Add AVFMT_NOSTREAMS flag for formats with no streams,
255 like e.g. text metadata.
256
257 2010-12-22 - r26073 - lavu 50.36.0 - file.h
258 Add functions av_file_map() and av_file_unmap() in file.h.
259
260 2010-12-19 - r26056 - lavu 50.35.0 - error.h
261 Add "not found" error codes:
262 AVERROR_DEMUXER_NOT_FOUND
263 AVERROR_MUXER_NOT_FOUND
264 AVERROR_DECODER_NOT_FOUND
265 AVERROR_ENCODER_NOT_FOUND
266 AVERROR_PROTOCOL_NOT_FOUND
267 AVERROR_FILTER_NOT_FOUND
268 AVERROR_BSF_NOT_FOUND
269 AVERROR_STREAM_NOT_FOUND
270
271 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
272 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
273 avcodec.h to avcore.h.
274
275 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
276 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
277
278 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
279 Deprecate avcodec_pix_fmt_string() in favor of
280 pixdesc.h/av_get_pix_fmt_string().
281
282 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
283 Add av_image_alloc() to libavcore/imgutils.h.
284
285 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
286 Add function avfilter_graph_create_filter() in avfiltergraph.h.
287
288 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
289 Add function avfilter_get_video_buffer_ref_from_arrays() in
290 avfilter.h.
291
292 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
293 Add a public audio channel API in audioconvert.h, and deprecate the
294 corresponding functions in libavcodec:
295 avcodec_get_channel_name()
296 avcodec_get_channel_layout()
297 avcodec_get_channel_layout_string()
298 avcodec_channel_layout_num_channels()
299 and the CH_* macros defined in libavcodec/avcodec.h.
300
301 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
302 Add av_append_packet().
303
304 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
305 Add av_grow_packet().
306
307 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
308 Add av_parse_color() declared in libavcore/parseutils.h.
309
310 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
311 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
312 fields.
313
314 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
315 Make avfiltergraph.h public.
316
317 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
318 Remove declarations from avfiltergraph.h for the functions:
319 avfilter_graph_check_validity()
320 avfilter_graph_config_links()
321 avfilter_graph_config_formats()
322 which are now internal.
323 Use avfilter_graph_config() instead.
324
325 2010-11-08 - r25708 - lavu 50.33.0 - eval.h
326 Deprecate functions:
327 av_parse_and_eval_expr(),
328 av_parse_expr(),
329 av_eval_expr(),
330 av_free_expr(),
331 in favor of the functions:
332 av_expr_parse_and_eval(),
333 av_expr_parse(),
334 av_expr_eval(),
335 av_expr_free().
336
337 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
338 Rename avfilter_destroy() to avfilter_free().
339 This change breaks libavfilter API/ABI.
340
341 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
342 Remove graphparser.h header, move AVFilterInOut and
343 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
344
345 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
346 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
347 This change breaks libavfilter API.
348
349 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
350 Rename avfilter_graph_destroy() to avfilter_graph_free().
351 This change breaks libavfilter API/ABI.
352
353 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
354 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
355
356 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
357 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
358 deprecate av_get_bits_per_sample_format().
359
360 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
361 Add sample format functions in libavcore/samplefmt.h:
362 av_get_sample_fmt_name(),
363 av_get_sample_fmt(),
364 av_get_sample_fmt_string(),
365 and deprecate the corresponding libavcodec/audioconvert.h functions:
366 avcodec_get_sample_fmt_name(),
367 avcodec_get_sample_fmt(),
368 avcodec_sample_fmt_string().
369
370 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
371 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
372 SampleFormat.
373
374 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
375 Add the function avfilter_graph_config() in avfiltergraph.h.
376
377 2010-10-15 - r25493 - lavf 52.83.0 - metadata API
378 Change demuxers to export metadata in generic format and
379 muxers to accept generic format. Deprecate the public
380 conversion API.
381
382 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
383 Add time_base field to AVFilterLink.
384
385 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
386 Move av_set_options_string() from libavfilter/parseutils.h to
387 libavutil/opt.h.
388
389 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
390 Make the AVFilterLink fields srcpad and dstpad store the pointers to
391 the source and destination pads, rather than their indexes.
392
393 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
394 Move av_get_token() from libavfilter/parseutils.h to
395 libavutil/avstring.h.
396
397 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
398 Add the functions sws_alloc_context() and sws_init_context().
399
400 2010-09-26 - r25210 - lavu 50.29.0 - opt.h
401 Move libavcodec/opt.h to libavutil/opt.h.
402
403 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
404 Default of av_log() changed due to many problems to the old no repeat
405 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
406 enabling it for your app!.
407
408 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
409 Deprecate av_opt_show() in favor or av_opt_show2().
410
411 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
412 Add av_popcount() to libavutil/common.h.
413
414 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
415 Add av_get_cpu_flags().
416
417 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
418 Add av_image_copy().
419
420 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
421 Add av_image_copy_plane().
422
423 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
424 Adopt hierarchical scheme for the imgutils.h function names,
425 deprecate the old names.
426
427 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
428 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
429 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
430
431 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
432 Add avcodec_get_channel_layout() in audioconvert.h.
433
434 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
435 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
436
437 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
438 Add av_fill_image_max_pixstep() in imgutils.h.
439
440 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
441 Add the AV_NE macro.
442
443 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
444 Implement AVFilterBufferRefAudioProps struct for audio properties,
445 get_audio_buffer(), filter_samples() functions and related changes.
446
447 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
448 Add av_get_image_linesize() in imgutils.h.
449
450 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
451 Resize data and linesize arrays in AVFilterBufferRef to 8.
452
453 This change breaks libavfilter API/ABI.
454
455 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
456 Add av_picture_data_copy in avcodec.h.
457
458 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
459 Change avfilter_open() signature:
460 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
461 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
462
463 This change breaks libavfilter API/ABI.
464
465 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
466 Add a type field to AVFilterBufferRef, and move video specific
467 properties to AVFilterBufferRefVideoProps.
468
469 This change breaks libavfilter API/ABI.
470
471 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
472 Rename AVFilterLink fields:
473 AVFilterLink.srcpic -> AVFilterLink.src_buf
474 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
475 AVFilterLink.outpic -> AVFilterLink.out_buf
476
477 2010-08-07 - r24731 - lavfi 1.30.0
478 Rename functions and fields:
479 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
480 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
481 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
482
483 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
484 Rename AVFilterPicRef to AVFilterBufferRef.
485
486 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
487 Move format field from AVFilterBuffer to AVFilterPicRef.
488
489 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
490 Deprecate avcodec_check_dimensions() in favor of the function
491 av_check_image_size() defined in libavcore/imgutils.h.
492
493 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
494 Increase size of the arrays AVFilterBuffer.data and
495 AVFilterBuffer.linesize from 4 to 8.
496
497 This change breaks libavfilter ABI.
498
499 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
500 Add functions av_fill_image_linesizes() and
501 av_fill_image_pointers(), declared in libavcore/imgutils.h.
502
503 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
504 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
505 defined in libavcodec in favor of the newly added functions
506 av_parse_video_size() and av_parse_video_rate() declared in
507 libavcore/parseutils.h.
508
509 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
510 Add the M_PHI constant definition.
511
512 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
513 Add a type field to AVFilterLink.
514
515 Change the field types:
516 enum PixelFormat format -> int format in AVFilterBuffer
517 enum PixelFormat *formats -> int *formats in AVFilterFormats
518 enum PixelFormat *format -> int format in AVFilterLink
519
520 Change the function signatures:
521 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
522 AVFilterFormats *avfilter_make_format_list(const int *fmts);
523
524 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
525 int avfilter_add_format (AVFilterFormats **avff, int fmt);
526
527 AVFilterFormats *avfilter_all_colorspaces(void); ->
528 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
529
530 This change breaks libavfilter API/ABI.
531
532 2010-07-21 - r24393 - lavcore 0.0.0
533 Add libavcore.
534
535 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
536 Remove w and h fields from AVFilterBuffer.
537
538 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
539 Rename AVFilterPic to AVFilterBuffer.
540
541 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
542 Make url_fskip() return an int error code instead of void.
543
544 2010-07-11 - r24199 - lavc 52.83.0
545 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
546 Add AVLPCType enum.
547 Deprecate AVCodecContext.use_lpc.
548
549 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
550 Add a function for free the contents of a AVSubtitle generated by
551 avcodec_decode_subtitle.
552
553 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
554 Make the bswap.h and intreadwrite.h API public.
555
556 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
557 Rename read/write_line() to av_read/write_image_line().
558
559 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
560 Add avfilter_copy_picref_props().
561
562 2010-07-03 - r24021 - lavc 52.79.0
563 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
564 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
565
566 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h
567 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
568 lfg.h.
569
570 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
571 Extend av_parse_color() syntax, make it accept an alpha value specifier and
572 set the alpha value to 255 by default.
573
574 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
575 Add priv_data_size and priv_data_class to URLProtocol.
576
577 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
578 Add url_alloc() and url_connect().
579
580 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
581 Add av_register_protocol2(), deprecating av_register_protocol().
582
583 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
584 Add av_compare_mod() to libavutil/mathematics.h.
585
586 2010-06-05 - r23485 - lavu 50.18.0 - eval API
587 Make the eval API public.
588
589 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
590 Add AV_BASE64_SIZE() macro.
591
592 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
593 Add av_get_codec_tag_string().
594
595 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
596 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
597
598 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
599 Add CODEC_CAP_EXPERIMENTAL flag.
600 NOTE: this was backported to 0.6
601
602 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
603 Add av_get_random_seed().
604
605 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
606 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
607 NOTE: this was backported to 0.6
608
609 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
610 Add interlaced and top_field_first fields to AVFilterPicRef.
611
612 ------------------------------8<-------------------------------------
613 0.6 branch was cut here
614 ----------------------------->8--------------------------------------
615
616 2010-05-01 - r23002 - lavf 52.62.0 - probe function
617 Add av_probe_input_format2 to API, it allows ignoring probe
618 results below given score and returns the actual probe score.
619
620 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
621 Add a flag for av_metadata_set2() to disable overwriting of
622 existing tags.
623
624 2010-04-01 - r22753 - lavc 52.66.0
625 Add avcodec_get_edge_width().
626
627 2010-03-31 - r22750 - lavc 52.65.0
628 Add avcodec_copy_context().
629
630 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
631 Make av_match_ext() public.
632
633 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
634 Move AVMediaType enum from libavcodec to libavutil.
635
636 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
637 Define AVMediaType enum, and use it instead of enum CodecType, which
638 is deprecated and will be dropped at the next major bump.
639
640 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
641 Implement av_strerror().
642
643 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
644 Support DCT-I and DST-I.
645
646 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
647 Add AVFormatContext.start_time_realtime field.
648
649 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
650 Add AVFilterPicRef.pos field.
651
652 2010-03-13 - r22501 - lavu 50.12.0 - error.h
653 Move error code definitions from libavcodec/avcodec.h to
654 the new public header libavutil/error.h.
655
656 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h
657 Add public FFT interface.
658
659 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
660 Add av_stristr().
661
662 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
663 Add av_tree_enumerate().
664
665 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
666 Add av_compare_ts().
667
668 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
669 Add sws_getCoefficients().
670
671 2010-02-01 - r21587 - lavf 52.50.0 - metadata API
672 Add a list of generic tag names, change 'author' -> 'artist',
673 'year' -> 'date'.
674
675 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
676 Add av_get_pix_fmt().
677
678 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
679 Change constness attributes of sws_scale() parameters.
680
681 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
682 Add a log_ctx parameter to avfilter_graph_config_links().
683
684 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
685 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
686
687 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
688 Change the avfilter_add_colorspace() signature, make it accept an
689 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
690
691 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
692 Add avfilter_add_colorspace().
693
694 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
695 Add av_match_ext(), it should be used in place of match_ext().
696
697 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
698 Add av_guess_format(), it should be used in place of guess_format().
699
700 2009-12-13 - r20834 - lavf 52.43.0 - metadata API
701 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
702 AV_METADATA_DONT_STRDUP_VAL.
703
704 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
705 Add av_d2str().
706
707 2009-12-13 - r20826 - lavc 52.42.0 - AVStream
708 Add avg_frame_rate.
709
710 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
711 Introduce the av_bmg_next() function.
712
713 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
714 Add a slice_dir parameter to avfilter_draw_slice().
715
716 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
717 Remove the next field from AVFilter, this is not anymore required.
718
719 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
720 Introduce the avfilter_next() function.
721
722 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
723 Change the signature of avfilter_register() to make it return an
724 int. This is required since now the registration operation may fail.
725
726 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
727 Make the pixdesc.h API public.
728
729 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
730 Add a next field to AVFilter, this is used for simplifying the
731 registration and management of the registered filters.
732
733 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
734 Add a description field to AVFilter.
735
736 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
737 Change the interface of avfilter_make_format_list() from
738 avfilter_make_format_list(int n, ...) to
739 avfilter_make_format_list(enum PixelFormat *pix_fmts).
740
741 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
742 Make avfilter_get_video_buffer() recursive and add the w and h
743 parameters to it.
744
745 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
746 Add w and h fields to AVFilterPic.
747
748 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
749 This is now an unsigned int instead of a signed int.
750
751 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
752 Add a pts field to AVSubtitle which gives the subtitle packet pts
753 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
754 not work right without this.
755
756 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
757 PKT_FLAG_KEY has been deprecated and will be dropped at the next
758 major version. Use AV_PKT_FLAG_KEY instead.
759
760 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
761 av_lockmgr_register() can be used to register a callback function
762 that lavc (and in the future, libraries that depend on lavc) can use
763 to implement mutexes. The application should provide a callback function
764 that implements the AV_LOCK_* operations described in avcodec.h.
765 When the lock manager is registered, FFmpeg is guaranteed to behave
766 correctly in a multi-threaded application.
767
768 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
769 av_free_packet() is no longer an inline function. It is now exported.
770
771 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
772 Please use NULL instead. This has been supported since r16506
773 (lavf > 52.23.1, lavc > 52.10.0).
774
775 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
776 The old decoding functions are deprecated, all new code should use the
777 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
778 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
779 argument instead of a const uint8_t *buf / int buf_size pair.
780
781 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
782 Introduce the av_fifo_space() function.
783
784 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
785 Move AVPacket declaration from libavformat/avformat.h to
786 libavcodec/avcodec.h.
787
788 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
789 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
790 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
791 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
792 PIX_FMT_BGR32_1 are now macros.
793 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
794 Re-sort the enum PixelFormat list accordingly.
795 This change breaks API/ABI backward compatibility.
796
797 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
798 Add the enum PixelFormat values:
799 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
800 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
801
802 2009-03-21 - r18116 - lavu 50.0.0 - av_random*
803 The Mersenne Twister PRNG implemented through the av_random* functions
804 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
805 instead.
806
807 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
808 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
809 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
810 and av_fifo_realloc2.
811 In addition, the order of the function arguments of av_fifo_generic_read
812 was changed to match av_fifo_generic_write.
813 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
814 applications, they may not use sizeof() or directly access members.
815
816 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
817 Introduce a new metadata API (see av_metadata_get() and friends).
818 The old API is now deprecated and should not be used anymore. This especially
819 includes the following structure fields:
820 - AVFormatContext.title
821 - AVFormatContext.author
822 - AVFormatContext.copyright
823 - AVFormatContext.comment
824 - AVFormatContext.album
825 - AVFormatContext.year
826 - AVFormatContext.track
827 - AVFormatContext.genre
828 - AVStream.language
829 - AVStream.filename
830 - AVProgram.provider_name
831 - AVProgram.name
832 - AVChapter.title