Prepare for the 0.8.21 release
[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 (deprecated, to be removed later)
10 libswscale: 2011-06-20
11 libavutil: 2011-04-18
12
13
14 API changes, most recent first:
15
16 2014-09-16 - 8637f4e - lavu 51.22.3 - cpu.h
17 Add AV_CPU_FLAG_CMOV.
18
19 2012-03-04 - 7f3f855 - lavu 51.22.1 - error.h
20 Add AVERROR_UNKNOWN
21
22 2012-02-29 - 2ad77c6 - lavf 53.21.1
23 Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
24
25 2012-02-29 - a1556d3 - lavu 51.22.0 - intfloat.h
26 Add a new installed header libavutil/intfloat.h with int/float punning
27 functions.
28
29 2012-02-17 - 350d06d - lavc 53.35.0
30 Add avcodec_is_open() function.
31
32 2012-01-15 - lavc 53.34.0
33 New audio encoding API:
34 b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio
35 encoders.
36 5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.
37 b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().
38 Add AVCodec.encode2().
39
40 2012-01-12 - 3167dc9 - lavfi 2.15.0
41 Add a new installed header -- libavfilter/version.h -- with version macros.
42
43 2011-01-03 - b73ec05 - lavu 51.21.0
44 Add av_popcount64
45
46 2011-12-25 - lavfi 2.14.0
47 e1d9dbf Add a new installed header - buffersrc.h
48 It contains a new function av_buffersrc_buffer() that allows passing
49 frames to the 'buffer' filter, but unlike av_vsrc_buffer_add_frame()
50 it allows for direct rendering.
51 1c9e340 Add avfilter_copy_frame_props() for copying properties from
52 AVFrame to AVFilterBufferRef.
53
54 2011-12-25 - lavc 53.31.0
55 Add the following new fields to AVFrame:
56 b58dbb5 sample_aspect_ratio
57 3a2ddf7 width, height
58 8a4a5f6 format
59
60 2011-12-18 - 8400b12 - lavc 53.28.1
61 Deprecate AVFrame.age. The field is unused.
62
63 2011-12-12 - 5266045 - lavf 53.17.0
64 Add avformat_close_input().
65 Deprecate av_close_input_file() and av_close_input_stream().
66
67 2011-12-02 - 0eea212 - lavc 53.25.0
68 Add nb_samples and extended_data fields to AVFrame.
69 Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.
70 Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().
71 avcodec_decode_audio4() writes output samples to an AVFrame, which allows
72 audio decoders to use get_buffer().
73
74 2011-12-04 - 560f773 - lavc 53.24.0
75 Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.
76 Change AVPicture.data[4]/linesize[4] to [8] at next major bump.
77 Change AVCodecContext.error[4] to [8] at next major bump.
78 Add AV_NUM_DATA_POINTERS to simplify the bump transition.
79
80 2011-11-23 - bbb46f3 - lavu 51.18.0
81 Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
82 av_samples_alloc(), to samplefmt.h.
83
84 2011-11-23 - 8889cc4 - lavu 51.17.0
85 Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.
86
87 2011-11-19 - f3a29b7 - lavc 53.21.0
88 Move some AVCodecContext fields to a new private struct, AVCodecInternal,
89 which is accessed from a new field, AVCodecContext.internal.
90 - fields moved:
91 AVCodecContext.internal_buffer --> AVCodecInternal.buffer
92 AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count
93 AVCodecContext.is_copy --> AVCodecInternal.is_copy
94
95 2011-11-16 - 6270671 - lavu 51.16.0
96 Add av_timegm()
97
98 2011-11-13 - lavf 53.15.0
99 New interrupt callback API, allowing per-AVFormatContext/AVIOContext
100 interrupt callbacks.
101 6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to
102 AVFormatContext.
103 1dee0ac Add avio_open2() with additional parameters. Those are
104 an interrupt callback and an options AVDictionary.
105 This will allow passing AVOptions to protocols after lavf
106 54.0.
107
108 2011-11-06 - ba04ecf - lavu 51.14.0
109 Add av_strcasecmp() and av_strncasecmp() to avstring.h.
110
111 2011-11-06 - 07b172f - lavu 51.13.0
112 Add av_toupper()/av_tolower()
113
114 2011-11-05 - b6d08f4 - lavf 53.13.0
115 Add avformat_network_init()/avformat_network_uninit()
116
117 2011-10-27 - 512557b - lavc 53.15.0
118 Remove avcodec_parse_frame.
119 Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.
120
121 2011-10-19 - 569129a - lavf 53.10.0
122 Add avformat_new_stream(). Deprecate av_new_stream().
123
124 2011-10-13 - b631fba - lavf 53.9.0
125 Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.
126
127 2011-10-12 - lavu 51.12.0
128 AVOptions API rewrite.
129
130 - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*
131 - new setting/getting functions with slightly different semantics:
132 dac66da av_set_string3 -> av_opt_set
133 av_set_double -> av_opt_set_double
134 av_set_q -> av_opt_set_q
135 av_set_int -> av_opt_set_int
136
137 41d9d51 av_get_string -> av_opt_get
138 av_get_double -> av_opt_get_double
139 av_get_q -> av_opt_get_q
140 av_get_int -> av_opt_get_int
141
142 - 8c5dcaa trivial rename av_next_option -> av_opt_next
143 - 641c7af new functions - av_opt_child_next, av_opt_child_class_next
144 and av_opt_find2()
145
146 2011-09-03 - fb4ca26 - lavc 53.10.0
147 lavf 53.6.0
148 lsws 2.1.0
149 Add {avcodec,avformat,sws}_get_class().
150
151 2011-09-03 - c11fb82 - lavu 51.10.0
152 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
153
154 2011-08-26 - lavu 51.9.0
155 - f2011ed Add av_fifo_peek2(), deprecate av_fifo_peek().
156 - add41de..abc78a5 Do not include intfloat_readwrite.h,
157 mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.
158
159 2011-08-16 - 48f9e45 - lavf 53.4.0
160 Add avformat_query_codec().
161
162 2011-08-16 - bca06e7 - lavc 53.8.0
163 Add avcodec_get_type().
164
165 2011-08-06 - 2f63440 - lavf 53.4.0
166 Add error_recognition to AVFormatContext.
167
168 2011-08-02 - 9d39cbf - lavc 53.7.1
169 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
170
171 2011-07-10 - a67c061 - lavf 53.3.0
172 Add avformat_find_stream_info(), deprecate av_find_stream_info().
173
174 2011-07-10 - 0b950fe - lavc 53.6.0
175 Add avcodec_open2(), deprecate avcodec_open().
176
177 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
178 Add av_printf_format().
179
180 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
181 Add avformat_open_input and avformat_write_header().
182 Deprecate av_open_input_stream, av_open_input_file,
183 AVFormatParameters and av_write_header.
184
185 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
186 Add av_opt_set_dict() and av_opt_find().
187 Deprecate av_find_opt().
188 Add AV_DICT_APPEND flag.
189
190 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
191 Add av_opt_flag_is_set().
192
193 2011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata
194 Move AVMetadata from lavf to lavu and rename it to
195 AVDictionary -- new installed header dict.h.
196 All av_metadata_* functions renamed to av_dict_*.
197
198 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
199 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
200 Deprecate av_get_bits_per_sample_fmt().
201
202 2011-06-05 - b39b062 - lavu 51.3.0 - opt.h
203 Add av_opt_free convenience function.
204
205 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
206 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
207 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
208
209 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
210 Add fps_probe_size to AVFormatContext.
211
212 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
213 Add request_sample_fmt field to AVCodecContext.
214
215 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
216 Deprecate AVLPCType and the following fields in
217 AVCodecContext: lpc_coeff_precision, prediction_order_method,
218 min_partition_order, max_partition_order, lpc_type, lpc_passes.
219 Corresponding FLAC encoder options should be used instead.
220
221 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
222 Add AVPictureType enum and av_get_picture_type_char(), deprecate
223 FF_*_TYPE defines and av_get_pict_type_char() defined in
224 libavcodec/avcodec.h.
225
226 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
227 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
228
229 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
230 Add sample_aspect_ratio fields to vsrc_buffer arguments
231
232 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
233 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
234
235 2011-04-15 - lavc 52.120.0 - avcodec.h
236 AVPacket structure got additional members for passing side information:
237 4de339e introduce side information for AVPacket
238 2d8591c make containers pass palette change in AVPacket
239
240 2011-04-12 - lavf 52.107.0 - avio.h
241 Avio cleanup, part II - deprecate the entire URLContext API:
242 175389c add avio_check as a replacement for url_exist
243 ff1ec0c add avio_pause and avio_seek_time as replacements
244 for _av_url_read_fseek/fpause
245 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
246 should be used instead.
247 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
248 f87b1b3 rename open flags: URL_* -> AVIO_*
249 f8270bb add avio_enum_protocols.
250 5593f03 deprecate URLProtocol.
251 c486dad deprecate URLContext.
252 026e175 deprecate the typedef for URLInterruptCB
253 8e76a19 deprecate av_register_protocol2.
254 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
255 1305d93 deprecate av_url_read_seek
256 fa104e1 deprecate av_url_read_pause
257 727c7aa deprecate url_get_filename().
258 5958df3 deprecate url_max_packet_size().
259 1869ea0 deprecate url_get_file_handle().
260 32a97d4 deprecate url_filesize().
261 e52a914 deprecate url_close().
262 58a48c6 deprecate url_seek().
263 925e908 deprecate url_write().
264 dce3756 deprecate url_read_complete().
265 bc371ac deprecate url_read().
266 0589da0 deprecate url_open().
267 62eaaea deprecate url_connect.
268 5652bb9 deprecate url_alloc.
269 333e894 deprecate url_open_protocol
270 e230705 deprecate url_poll and URLPollEntry
271
272 2011-04-10 - lavu 50.40.0 - pixfmt.h
273 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
274
275 2011-04-08 - lavf 52.106.0 - avformat.h
276 Minor avformat.h cleanup:
277 a9bf9d8 deprecate av_guess_image2_codec
278 c3675df rename avf_sdp_create->av_sdp_create
279
280 2011-04-03 - lavf 52.105.0 - avio.h
281 Large-scale renaming/deprecating of AVIOContext-related functions:
282 724f6a0 deprecate url_fdopen
283 403ee83 deprecate url_open_dyn_packet_buf
284 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
285 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
286 8978fed introduce an AVIOContext.seekable field as a replacement for
287 AVIOContext.is_streamed and url_is_streamed()
288 b64030f deprecate get_checksum()
289 4c4427a deprecate init_checksum()
290 4ec153b deprecate udp_set_remote_url/get_local_port
291 933e90a deprecate av_url_read_fseek/fpause
292 8d9769a deprecate url_fileno
293 b7f2fdd rename put_flush_packet -> avio_flush
294 35f1023 deprecate url_close_buf
295 83fddae deprecate url_open_buf
296 d9d86e0 rename url_fprintf -> avio_printf
297 59f65d9 deprecate url_setbufsize
298 3e68b3b deprecate url_ferror
299 66e5b1d deprecate url_feof
300 e8bb2e2 deprecate url_fget_max_packet_size
301 76aa876 rename url_fsize -> avio_size
302 e519753 deprecate url_fgetc
303 655e45e deprecate url_fgets
304 a2704c9 rename url_ftell -> avio_tell
305 e16ead0 deprecate get_strz() in favor of avio_get_str
306 0300db8,2af07d3 rename url_fskip -> avio_skip
307 6b4aa5d rename url_fseek -> avio_seek
308 61840b4 deprecate put_tag
309 22a3212 rename url_fopen/fclose -> avio_open/close.
310 0ac8e2b deprecate put_nbyte
311 77eb550 rename put_byte -> avio_w8
312 put_[b/l]e<type> -> avio_w[b/l]<type>
313 put_buffer -> avio_write
314 b7effd4 rename get_byte -> avio_r8,
315 get_[b/l]e<type> -> avio_r[b/l]<type>
316 get_buffer -> avio_read
317 b3db9ce deprecate get_partial_buffer
318 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
319
320 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
321 Add audio_service_type field to AVCodecContext.
322
323 2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
324 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
325 source stream timebase for outputting timestamps. Deprecate
326 av_pkt_dump and av_pkt_dump_log.
327
328 2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
329 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
330 original, and move it to a private header so it is no longer
331 part of our public API. Instead, use av_alloc_put_byte().
332 * ae628ec - rename ByteIOContext to AVIOContext.
333
334 2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
335 lavu 52.39.0 - parseutils.h
336 * 610219a - Add av_ prefix to dump_format().
337 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
338 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
339
340 2011-02-15 - lavu 52.38.0 - merge libavcore
341 libavcore is merged back completely into libavutil
342
343 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
344 Add vbv_delay field to AVCodecContext
345
346 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
347 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
348
349 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
350 Add sample_aspect_ratio field to AVFilterLink.
351
352 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
353 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
354
355 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
356 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
357 set thread_count before calling avcodec_open.
358
359 2011-02-09 - 778b08a - lavc 52.111.0 - threading API
360 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
361 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
362 Add thread_type and active_thread_type fields to AVCodecContext.
363
364 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
365 Add av_probe_input_buffer() to avformat.h for probing format from a
366 ByteIOContext.
367
368 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
369 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
370
371 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
372 Add avformat_free_context() in avformat.h.
373
374 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
375 Add CODEC_ID_PRORES to avcodec.h.
376
377 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
378 Add defines for H.264 * Constrained Baseline and Intra profiles
379
380 2011-02-02 - lavf 52.95.0
381 * 50196a9 - add a new installed header version.h.
382 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
383 avio_{put,get}_str* functions. Deprecate corresponding semi-public
384 {put,get}_str*.
385
386 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
387 Make av_dlog public.
388
389 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
390 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
391
392 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
393 Add av_metadata_copy() in avformat.h.
394
395 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
396 Deprecate reordered_opaque in favor of pkt_pts/dts.
397
398 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
399 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
400 to not mess up dts.
401
402 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
403 Add pkt_pts to AVFrame.
404
405 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
406 Add av_get_profile_name to libavcodec/avcodec.h.
407
408 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
409 Add AV_PERM_NEG_LINESIZES in avfilter.h.
410
411 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
412 Add av_find_best_stream to libavformat/avformat.h.
413
414 2010-12-27 - r26103 - lavf 52.90.0
415 Add AVFMT_NOSTREAMS flag for formats with no streams,
416 like e.g. text metadata.
417
418 2010-12-22 - r26073 - lavu 50.36.0 - file.h
419 Add functions av_file_map() and av_file_unmap() in file.h.
420
421 2010-12-19 - r26056 - lavu 50.35.0 - error.h
422 Add "not found" error codes:
423 AVERROR_DEMUXER_NOT_FOUND
424 AVERROR_MUXER_NOT_FOUND
425 AVERROR_DECODER_NOT_FOUND
426 AVERROR_ENCODER_NOT_FOUND
427 AVERROR_PROTOCOL_NOT_FOUND
428 AVERROR_FILTER_NOT_FOUND
429 AVERROR_BSF_NOT_FOUND
430 AVERROR_STREAM_NOT_FOUND
431
432 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
433 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
434 avcodec.h to avcore.h.
435
436 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
437 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
438
439 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
440 Deprecate avcodec_pix_fmt_string() in favor of
441 pixdesc.h/av_get_pix_fmt_string().
442
443 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
444 Add av_image_alloc() to libavcore/imgutils.h.
445
446 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
447 Add function avfilter_graph_create_filter() in avfiltergraph.h.
448
449 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
450 Add function avfilter_get_video_buffer_ref_from_arrays() in
451 avfilter.h.
452
453 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
454 Add a public audio channel API in audioconvert.h, and deprecate the
455 corresponding functions in libavcodec:
456 avcodec_get_channel_name()
457 avcodec_get_channel_layout()
458 avcodec_get_channel_layout_string()
459 avcodec_channel_layout_num_channels()
460 and the CH_* macros defined in libavcodec/avcodec.h.
461
462 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
463 Add av_append_packet().
464
465 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
466 Add av_grow_packet().
467
468 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
469 Add av_parse_color() declared in libavcore/parseutils.h.
470
471 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
472 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
473 fields.
474
475 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
476 Make avfiltergraph.h public.
477
478 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
479 Remove declarations from avfiltergraph.h for the functions:
480 avfilter_graph_check_validity()
481 avfilter_graph_config_links()
482 avfilter_graph_config_formats()
483 which are now internal.
484 Use avfilter_graph_config() instead.
485
486 2010-11-08 - r25708 - lavu 50.33.0 - eval.h
487 Deprecate functions:
488 av_parse_and_eval_expr(),
489 av_parse_expr(),
490 av_eval_expr(),
491 av_free_expr(),
492 in favor of the functions:
493 av_expr_parse_and_eval(),
494 av_expr_parse(),
495 av_expr_eval(),
496 av_expr_free().
497
498 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
499 Rename avfilter_destroy() to avfilter_free().
500 This change breaks libavfilter API/ABI.
501
502 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
503 Remove graphparser.h header, move AVFilterInOut and
504 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
505
506 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
507 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
508 This change breaks libavfilter API.
509
510 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
511 Rename avfilter_graph_destroy() to avfilter_graph_free().
512 This change breaks libavfilter API/ABI.
513
514 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
515 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
516
517 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
518 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
519 deprecate av_get_bits_per_sample_format().
520
521 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
522 Add sample format functions in libavcore/samplefmt.h:
523 av_get_sample_fmt_name(),
524 av_get_sample_fmt(),
525 av_get_sample_fmt_string(),
526 and deprecate the corresponding libavcodec/audioconvert.h functions:
527 avcodec_get_sample_fmt_name(),
528 avcodec_get_sample_fmt(),
529 avcodec_sample_fmt_string().
530
531 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
532 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
533 SampleFormat.
534
535 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
536 Add the function avfilter_graph_config() in avfiltergraph.h.
537
538 2010-10-15 - r25493 - lavf 52.83.0 - metadata API
539 Change demuxers to export metadata in generic format and
540 muxers to accept generic format. Deprecate the public
541 conversion API.
542
543 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
544 Add time_base field to AVFilterLink.
545
546 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
547 Move av_set_options_string() from libavfilter/parseutils.h to
548 libavutil/opt.h.
549
550 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
551 Make the AVFilterLink fields srcpad and dstpad store the pointers to
552 the source and destination pads, rather than their indexes.
553
554 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
555 Move av_get_token() from libavfilter/parseutils.h to
556 libavutil/avstring.h.
557
558 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
559 Add the functions sws_alloc_context() and sws_init_context().
560
561 2010-09-26 - r25210 - lavu 50.29.0 - opt.h
562 Move libavcodec/opt.h to libavutil/opt.h.
563
564 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
565 Default of av_log() changed due to many problems to the old no repeat
566 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
567 enabling it for your app!.
568
569 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
570 Deprecate av_opt_show() in favor or av_opt_show2().
571
572 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
573 Add av_popcount() to libavutil/common.h.
574
575 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
576 Add av_get_cpu_flags().
577
578 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
579 Add av_image_copy().
580
581 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
582 Add av_image_copy_plane().
583
584 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
585 Adopt hierarchical scheme for the imgutils.h function names,
586 deprecate the old names.
587
588 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
589 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
590 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
591
592 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
593 Add avcodec_get_channel_layout() in audioconvert.h.
594
595 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
596 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
597
598 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
599 Add av_fill_image_max_pixstep() in imgutils.h.
600
601 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
602 Add the AV_NE macro.
603
604 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
605 Implement AVFilterBufferRefAudioProps struct for audio properties,
606 get_audio_buffer(), filter_samples() functions and related changes.
607
608 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
609 Add av_get_image_linesize() in imgutils.h.
610
611 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
612 Resize data and linesize arrays in AVFilterBufferRef to 8.
613
614 This change breaks libavfilter API/ABI.
615
616 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
617 Add av_picture_data_copy in avcodec.h.
618
619 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
620 Change avfilter_open() signature:
621 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
622 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
623
624 This change breaks libavfilter API/ABI.
625
626 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
627 Add a type field to AVFilterBufferRef, and move video specific
628 properties to AVFilterBufferRefVideoProps.
629
630 This change breaks libavfilter API/ABI.
631
632 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
633 Rename AVFilterLink fields:
634 AVFilterLink.srcpic -> AVFilterLink.src_buf
635 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
636 AVFilterLink.outpic -> AVFilterLink.out_buf
637
638 2010-08-07 - r24731 - lavfi 1.30.0
639 Rename functions and fields:
640 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
641 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
642 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
643
644 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
645 Rename AVFilterPicRef to AVFilterBufferRef.
646
647 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
648 Move format field from AVFilterBuffer to AVFilterPicRef.
649
650 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
651 Deprecate avcodec_check_dimensions() in favor of the function
652 av_check_image_size() defined in libavcore/imgutils.h.
653
654 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
655 Increase size of the arrays AVFilterBuffer.data and
656 AVFilterBuffer.linesize from 4 to 8.
657
658 This change breaks libavfilter ABI.
659
660 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
661 Add functions av_fill_image_linesizes() and
662 av_fill_image_pointers(), declared in libavcore/imgutils.h.
663
664 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
665 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
666 defined in libavcodec in favor of the newly added functions
667 av_parse_video_size() and av_parse_video_rate() declared in
668 libavcore/parseutils.h.
669
670 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
671 Add the M_PHI constant definition.
672
673 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
674 Add a type field to AVFilterLink.
675
676 Change the field types:
677 enum PixelFormat format -> int format in AVFilterBuffer
678 enum PixelFormat *formats -> int *formats in AVFilterFormats
679 enum PixelFormat *format -> int format in AVFilterLink
680
681 Change the function signatures:
682 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
683 AVFilterFormats *avfilter_make_format_list(const int *fmts);
684
685 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
686 int avfilter_add_format (AVFilterFormats **avff, int fmt);
687
688 AVFilterFormats *avfilter_all_colorspaces(void); ->
689 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
690
691 This change breaks libavfilter API/ABI.
692
693 2010-07-21 - r24393 - lavcore 0.0.0
694 Add libavcore.
695
696 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
697 Remove w and h fields from AVFilterBuffer.
698
699 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
700 Rename AVFilterPic to AVFilterBuffer.
701
702 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
703 Make url_fskip() return an int error code instead of void.
704
705 2010-07-11 - r24199 - lavc 52.83.0
706 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
707 Add AVLPCType enum.
708 Deprecate AVCodecContext.use_lpc.
709
710 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
711 Add a function for free the contents of a AVSubtitle generated by
712 avcodec_decode_subtitle.
713
714 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
715 Make the bswap.h and intreadwrite.h API public.
716
717 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
718 Rename read/write_line() to av_read/write_image_line().
719
720 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
721 Add avfilter_copy_picref_props().
722
723 2010-07-03 - r24021 - lavc 52.79.0
724 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
725 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
726
727 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h
728 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
729 lfg.h.
730
731 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
732 Extend av_parse_color() syntax, make it accept an alpha value specifier and
733 set the alpha value to 255 by default.
734
735 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
736 Add priv_data_size and priv_data_class to URLProtocol.
737
738 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
739 Add url_alloc() and url_connect().
740
741 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
742 Add av_register_protocol2(), deprecating av_register_protocol().
743
744 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
745 Add av_compare_mod() to libavutil/mathematics.h.
746
747 2010-06-05 - r23485 - lavu 50.18.0 - eval API
748 Make the eval API public.
749
750 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
751 Add AV_BASE64_SIZE() macro.
752
753 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
754 Add av_get_codec_tag_string().
755
756 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
757 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
758
759 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
760 Add CODEC_CAP_EXPERIMENTAL flag.
761 NOTE: this was backported to 0.6
762
763 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
764 Add av_get_random_seed().
765
766 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
767 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
768 NOTE: this was backported to 0.6
769
770 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
771 Add interlaced and top_field_first fields to AVFilterPicRef.
772
773 ------------------------------8<-------------------------------------
774 0.6 branch was cut here
775 ----------------------------->8--------------------------------------
776
777 2010-05-01 - r23002 - lavf 52.62.0 - probe function
778 Add av_probe_input_format2 to API, it allows ignoring probe
779 results below given score and returns the actual probe score.
780
781 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
782 Add a flag for av_metadata_set2() to disable overwriting of
783 existing tags.
784
785 2010-04-01 - r22753 - lavc 52.66.0
786 Add avcodec_get_edge_width().
787
788 2010-03-31 - r22750 - lavc 52.65.0
789 Add avcodec_copy_context().
790
791 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
792 Make av_match_ext() public.
793
794 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
795 Move AVMediaType enum from libavcodec to libavutil.
796
797 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
798 Define AVMediaType enum, and use it instead of enum CodecType, which
799 is deprecated and will be dropped at the next major bump.
800
801 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
802 Implement av_strerror().
803
804 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
805 Support DCT-I and DST-I.
806
807 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
808 Add AVFormatContext.start_time_realtime field.
809
810 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
811 Add AVFilterPicRef.pos field.
812
813 2010-03-13 - r22501 - lavu 50.12.0 - error.h
814 Move error code definitions from libavcodec/avcodec.h to
815 the new public header libavutil/error.h.
816
817 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h
818 Add public FFT interface.
819
820 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
821 Add av_stristr().
822
823 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
824 Add av_tree_enumerate().
825
826 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
827 Add av_compare_ts().
828
829 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
830 Add sws_getCoefficients().
831
832 2010-02-01 - r21587 - lavf 52.50.0 - metadata API
833 Add a list of generic tag names, change 'author' -> 'artist',
834 'year' -> 'date'.
835
836 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
837 Add av_get_pix_fmt().
838
839 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
840 Change constness attributes of sws_scale() parameters.
841
842 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
843 Add a log_ctx parameter to avfilter_graph_config_links().
844
845 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
846 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
847
848 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
849 Change the avfilter_add_colorspace() signature, make it accept an
850 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
851
852 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
853 Add avfilter_add_colorspace().
854
855 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
856 Add av_match_ext(), it should be used in place of match_ext().
857
858 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
859 Add av_guess_format(), it should be used in place of guess_format().
860
861 2009-12-13 - r20834 - lavf 52.43.0 - metadata API
862 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
863 AV_METADATA_DONT_STRDUP_VAL.
864
865 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
866 Add av_d2str().
867
868 2009-12-13 - r20826 - lavc 52.42.0 - AVStream
869 Add avg_frame_rate.
870
871 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
872 Introduce the av_bmg_next() function.
873
874 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
875 Add a slice_dir parameter to avfilter_draw_slice().
876
877 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
878 Remove the next field from AVFilter, this is not anymore required.
879
880 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
881 Introduce the avfilter_next() function.
882
883 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
884 Change the signature of avfilter_register() to make it return an
885 int. This is required since now the registration operation may fail.
886
887 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
888 Make the pixdesc.h API public.
889
890 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
891 Add a next field to AVFilter, this is used for simplifying the
892 registration and management of the registered filters.
893
894 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
895 Add a description field to AVFilter.
896
897 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
898 Change the interface of avfilter_make_format_list() from
899 avfilter_make_format_list(int n, ...) to
900 avfilter_make_format_list(enum PixelFormat *pix_fmts).
901
902 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
903 Make avfilter_get_video_buffer() recursive and add the w and h
904 parameters to it.
905
906 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
907 Add w and h fields to AVFilterPic.
908
909 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
910 This is now an unsigned int instead of a signed int.
911
912 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
913 Add a pts field to AVSubtitle which gives the subtitle packet pts
914 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
915 not work right without this.
916
917 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
918 PKT_FLAG_KEY has been deprecated and will be dropped at the next
919 major version. Use AV_PKT_FLAG_KEY instead.
920
921 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
922 av_lockmgr_register() can be used to register a callback function
923 that lavc (and in the future, libraries that depend on lavc) can use
924 to implement mutexes. The application should provide a callback function
925 that implements the AV_LOCK_* operations described in avcodec.h.
926 When the lock manager is registered, FFmpeg is guaranteed to behave
927 correctly in a multi-threaded application.
928
929 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
930 av_free_packet() is no longer an inline function. It is now exported.
931
932 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
933 Please use NULL instead. This has been supported since r16506
934 (lavf > 52.23.1, lavc > 52.10.0).
935
936 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
937 The old decoding functions are deprecated, all new code should use the
938 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
939 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
940 argument instead of a const uint8_t *buf / int buf_size pair.
941
942 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
943 Introduce the av_fifo_space() function.
944
945 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
946 Move AVPacket declaration from libavformat/avformat.h to
947 libavcodec/avcodec.h.
948
949 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
950 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
951 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
952 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
953 PIX_FMT_BGR32_1 are now macros.
954 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
955 Re-sort the enum PixelFormat list accordingly.
956 This change breaks API/ABI backward compatibility.
957
958 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
959 Add the enum PixelFormat values:
960 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
961 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
962
963 2009-03-21 - r18116 - lavu 50.0.0 - av_random*
964 The Mersenne Twister PRNG implemented through the av_random* functions
965 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
966 instead.
967
968 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
969 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
970 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
971 and av_fifo_realloc2.
972 In addition, the order of the function arguments of av_fifo_generic_read
973 was changed to match av_fifo_generic_write.
974 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
975 applications, they may not use sizeof() or directly access members.
976
977 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
978 Introduce a new metadata API (see av_metadata_get() and friends).
979 The old API is now deprecated and should not be used anymore. This especially
980 includes the following structure fields:
981 - AVFormatContext.title
982 - AVFormatContext.author
983 - AVFormatContext.copyright
984 - AVFormatContext.comment
985 - AVFormatContext.album
986 - AVFormatContext.year
987 - AVFormatContext.track
988 - AVFormatContext.genre
989 - AVStream.language
990 - AVStream.filename
991 - AVProgram.provider_name
992 - AVProgram.name
993 - AVChapter.title