1 Never assume the API of libav* to be stable unless at least 1 month has passed
2 since the last major version increase.
4 The last version increases were:
6 libavdevice: 2011-04-18
7 libavfilter: 2011-04-18
8 libavformat: 2011-04-18
9 libpostproc: 2011-04-18
10 libswscale: 2011-06-20
14 API changes, most recent first:
16 2011-09-06 - xxxxxxx - lavfi 2.39.0
17 Rename libavfilter/vsink_buffer.h to libavfilter/buffersink.h.
19 2011-09-06 - xxxxxxx - lavfi 2.38.0
20 Unify video and audio sink API.
22 In particular, add av_buffersink_get_buffer_ref(), deprecate
23 av_vsink_buffer_get_video_buffer_ref() and change the value for the
24 opaque field passed to the abuffersink init function.
26 2011-09-xx - xxxxxxx - lavu 51.16.0
29 2011-08-22 - dacd827 - lavf 53.10.0
30 Add av_find_program_from_stream().
32 2011-08-20 - 69e2c1a - lavu 51.13.0
33 Add av_get_media_type_string().
35 2011-08-xx - xxxxxxx - lavc 53.13.0
38 Add {avcodec,avformat,sws}_get_class().
40 2011-08-xx - xxxxxxx - lavu 51.15.0
41 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
43 2011-08-14 - 323b930 - lavu 51.12.0
44 Add av_fifo_peek2(), deprecate av_fifo_peek().
46 2011-08-xx - 48f9e45 - lavf 53.8.0
47 Add avformat_query_codec().
49 2011-08-xx - bca06e7 - lavc 53.11.0
50 Add avcodec_get_type().
52 2011-08-06 - 2f63440 - lavf 53.7.0
53 Add error_recognition to AVFormatContext.
55 2011-08-02 - 9d39cbf - lavc 53.9.1
56 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
58 2011-07-16 - b57df29 - lavfi 2.27.0
59 Add audio packing negotiation fields and helper functions.
61 In particular, add AVFilterPacking enum, planar, in_packings and
62 out_packings fields to AVFilterLink, and the functions:
63 avfilter_set_common_packing_formats()
64 avfilter_all_packing_formats()
66 2011-07-10 - a67c061 - lavf 53.6.0
67 Add avformat_find_stream_info(), deprecate av_find_stream_info().
69 2011-07-10 - 0b950fe - lavc 53.8.0
70 Add avcodec_open2(), deprecate avcodec_open().
72 2011-07-01 - b442ca6 - lavf 53.5.0 - avformat.h
73 Add function av_get_output_timestamp().
75 2011-06-28 - 5129336 - lavu 51.11.0 - avutil.h
76 Define the AV_PICTURE_TYPE_NONE value in AVPictureType enum.
78 2011-06-19 - fd2c0a5 - lavfi 2.23.0 - avfilter.h
79 Add layout negotiation fields and helper functions.
81 In particular, add in_chlayouts and out_chlayouts to AVFilterLink,
83 avfilter_set_common_sample_formats()
84 avfilter_set_common_channel_layouts()
85 avfilter_all_channel_layouts()
87 2011-06-19 - 527ca39 - lavfi 2.22.0 - AVFilterFormats
88 Change type of AVFilterFormats.formats from int * to int64_t *,
89 and update formats handling API accordingly.
91 avfilter_make_format_list() still takes a int32_t array and converts
92 it to int64_t. A new function, avfilter_make_format64_list(), that
93 takes int64_t arrays has been added.
95 2011-06-19 - 44f669e - lavfi 2.21.0 - vsink_buffer.h
96 Add video sink buffer and vsink_buffer.h public header.
98 2011-06-12 - 9fdf772 - lavfi 2.18.0 - avcodec.h
99 Add avfilter_get_video_buffer_ref_from_frame() function in
100 libavfilter/avcodec.h.
102 2011-06-12 - c535494 - lavfi 2.17.0 - avfiltergraph.h
103 Add avfilter_inout_alloc() and avfilter_inout_free() functions.
105 2011-06-12 - 6119b23 - lavfi 2.16.0 - avfilter_graph_parse()
106 Change avfilter_graph_parse() signature.
108 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
109 Add av_printf_format().
111 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
112 Add avformat_open_input and avformat_write_header().
113 Deprecate av_open_input_stream, av_open_input_file,
114 AVFormatParameters and av_write_header.
116 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
117 Add av_opt_set_dict() and av_opt_find().
118 Deprecate av_find_opt().
119 Add AV_DICT_APPEND flag.
121 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
122 Add av_opt_flag_is_set().
124 2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays
125 Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.
127 2011-06-09 - d9f80ea - lavu 51.8.0 - AVMetadata
128 Move AVMetadata from lavf to lavu and rename it to
129 AVDictionary -- new installed header dict.h.
130 All av_metadata_* functions renamed to av_dict_*.
132 2011-06-07 - a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()
133 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
134 Deprecate av_get_bits_per_sample_fmt().
136 2011-06-xx - b39b062 - lavu 51.8.0 - opt.h
137 Add av_opt_free convenience function.
139 2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps
140 Remove AVFilterBufferRefAudioProps.size, and use nb_samples in
141 avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in
144 2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()
145 Switch nb_channels and nb_samples parameters order in
148 2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*
149 Change the data layout created by av_samples_fill_arrays() and
152 2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h
153 Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional
154 flags parameter in input.
156 2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()
157 Add avfilter_link_free() function.
159 2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()
160 Add av_cpu_flags() in libavutil/cpu.h.
162 2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h
163 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
164 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
166 2011-05-25 - 30315a8 - lavf 53.3.0 - avformat.h
167 Add fps_probe_size to AVFormatContext.
169 2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h
170 Introduce avformat_alloc_output_context2() and deprecate
171 avformat_alloc_output_context().
173 2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h
174 Make libavfilter/vsrc_buffer.h public.
176 2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h
177 Add av_vsrc_buffer_add_frame() to libavfilter/avcodec.h.
179 2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h
180 Add avfilter_get_video_buffer_ref_from_frame() to libavfilter/avcodec.h.
182 2011-05-18 - 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt
183 Add request_sample_fmt field to AVCodecContext.
185 2011-05-10 - 188dea1 - lavc 53.6.0 - avcodec.h
186 Deprecate AVLPCType and the following fields in
187 AVCodecContext: lpc_coeff_precision, prediction_order_method,
188 min_partition_order, max_partition_order, lpc_type, lpc_passes.
189 Corresponding FLAC encoder options should be used instead.
191 2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h
192 Add libavfilter/avcodec.h header and avfilter_copy_frame_props()
195 2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame
196 Add format field to AVFrame.
198 2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame
199 Add width and height fields to AVFrame.
201 2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h
202 Rename AVFilterBufferRefVideoProps.pixel_aspect to
205 2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame
206 Add a sample_aspect_ratio field to AVFrame.
208 2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame
209 Add a pkt_pos field to AVFrame.
211 2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h
212 Add av_dynarray_add function for adding
213 an element to a dynamic array.
215 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
216 Add AVPictureType enum and av_get_picture_type_char(), deprecate
217 FF_*_TYPE defines and av_get_pict_type_char() defined in
218 libavcodec/avcodec.h.
220 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
221 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
223 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
224 Add sample_aspect_ratio fields to vsrc_buffer arguments
226 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
227 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
229 2011-04-15 - lavc 52.120.0 - avcodec.h
230 AVPacket structure got additional members for passing side information:
231 4de339e introduce side information for AVPacket
232 2d8591c make containers pass palette change in AVPacket
234 2011-04-12 - lavf 52.107.0 - avio.h
235 Avio cleanup, part II - deprecate the entire URLContext API:
236 175389c add avio_check as a replacement for url_exist
237 ff1ec0c add avio_pause and avio_seek_time as replacements
238 for _av_url_read_fseek/fpause
239 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
240 should be used instead.
241 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
242 f87b1b3 rename open flags: URL_* -> AVIO_*
243 f8270bb add avio_enum_protocols.
244 5593f03 deprecate URLProtocol.
245 c486dad deprecate URLContext.
246 026e175 deprecate the typedef for URLInterruptCB
247 8e76a19 deprecate av_register_protocol2.
248 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
249 1305d93 deprecate av_url_read_seek
250 fa104e1 deprecate av_url_read_pause
251 727c7aa deprecate url_get_filename().
252 5958df3 deprecate url_max_packet_size().
253 1869ea0 deprecate url_get_file_handle().
254 32a97d4 deprecate url_filesize().
255 e52a914 deprecate url_close().
256 58a48c6 deprecate url_seek().
257 925e908 deprecate url_write().
258 dce3756 deprecate url_read_complete().
259 bc371ac deprecate url_read().
260 0589da0 deprecate url_open().
261 62eaaea deprecate url_connect.
262 5652bb9 deprecate url_alloc.
263 333e894 deprecate url_open_protocol
264 e230705 deprecate url_poll and URLPollEntry
266 2011-04-08 - lavf 52.106.0 - avformat.h
267 Minor avformat.h cleanup:
268 a9bf9d8 deprecate av_guess_image2_codec
269 c3675df rename avf_sdp_create->av_sdp_create
271 2011-04-03 - lavf 52.105.0 - avio.h
272 Large-scale renaming/deprecating of AVIOContext-related functions:
273 724f6a0 deprecate url_fdopen
274 403ee83 deprecate url_open_dyn_packet_buf
275 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
276 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
277 8978fed introduce an AVIOContext.seekable field as a replacement for
278 AVIOContext.is_streamed and url_is_streamed()
279 b64030f deprecate get_checksum()
280 4c4427a deprecate init_checksum()
281 4ec153b deprecate udp_set_remote_url/get_local_port
282 933e90a deprecate av_url_read_fseek/fpause
283 8d9769a deprecate url_fileno
284 b7f2fdd rename put_flush_packet -> avio_flush
285 35f1023 deprecate url_close_buf
286 83fddae deprecate url_open_buf
287 d9d86e0 rename url_fprintf -> avio_printf
288 59f65d9 deprecate url_setbufsize
289 3e68b3b deprecate url_ferror
290 e8bb2e2 deprecate url_fget_max_packet_size
291 76aa876 rename url_fsize -> avio_size
292 e519753 deprecate url_fgetc
293 655e45e deprecate url_fgets
294 a2704c9 rename url_ftell -> avio_tell
295 e16ead0 deprecate get_strz() in favor of avio_get_str
296 0300db8,2af07d3 rename url_fskip -> avio_skip
297 6b4aa5d rename url_fseek -> avio_seek
298 61840b4 deprecate put_tag
299 22a3212 rename url_fopen/fclose -> avio_open/close.
300 0ac8e2b deprecate put_nbyte
301 77eb550 rename put_byte -> avio_w8
302 put_[b/l]e<type> -> avio_w[b/l]<type>
303 put_buffer -> avio_write
304 b7effd4 rename get_byte -> avio_r8,
305 get_[b/l]e<type> -> avio_r[b/l]<type>
306 get_buffer -> avio_read
307 b3db9ce deprecate get_partial_buffer
308 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
310 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
311 Add audio_service_type field to AVCodecContext.
313 2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h
314 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
316 2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
317 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
318 source stream timebase for outputting timestamps. Deprecate
319 av_pkt_dump and av_pkt_dump_log.
321 2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
322 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
323 original, and move it to a private header so it is no longer
324 part of our public API. Instead, use av_alloc_put_byte().
325 * ae628ec - rename ByteIOContext to AVIOContext.
327 2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
328 lavu 52.39.0 - parseutils.h
329 * 610219a - Add av_ prefix to dump_format().
330 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
331 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
333 2011-02-15 - lavu 52.38.0 - merge libavcore
334 libavcore is merged back completely into libavutil
336 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
337 Add vbv_delay field to AVCodecContext
339 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
340 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
342 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
343 Add sample_aspect_ratio field to AVFilterLink.
345 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
346 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
348 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
349 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
350 set thread_count before calling avcodec_open.
352 2011-02-09 - 778b08a - lavc 52.111.0 - threading API
353 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
354 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
355 Add thread_type and active_thread_type fields to AVCodecContext.
357 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
358 Add av_probe_input_buffer() to avformat.h for probing format from a
361 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
362 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
364 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
365 Add avformat_free_context() in avformat.h.
367 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
368 Add CODEC_ID_PRORES to avcodec.h.
370 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
371 Add defines for H.264 * Constrained Baseline and Intra profiles
373 2011-02-02 - lavf 52.95.0
374 * 50196a9 - add a new installed header version.h.
375 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
376 avio_{put,get}_str* functions. Deprecate corresponding semi-public
379 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
382 2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer
383 Add sample_aspect_ratio fields to vsrc_buffer arguments
385 2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio
386 Add sample_aspect_ratio field to AVFilterLink.
388 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
389 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
391 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
392 Add av_metadata_copy() in avformat.h.
394 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
395 Deprecate reordered_opaque in favor of pkt_pts/dts.
397 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
398 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
401 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
402 Add pkt_pts to AVFrame.
404 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
405 Add av_get_profile_name to libavcodec/avcodec.h.
407 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
408 Add AV_PERM_NEG_LINESIZES in avfilter.h.
410 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
411 Add av_find_best_stream to libavformat/avformat.h.
413 2010-12-27 - r26103 - lavf 52.90.0
414 Add AVFMT_NOSTREAMS flag for formats with no streams,
415 like e.g. text metadata.
417 2010-12-22 - r26073 - lavu 50.36.0 - file.h
418 Add functions av_file_map() and av_file_unmap() in file.h.
420 2010-12-19 - r26056 - lavu 50.35.0 - error.h
421 Add "not found" error codes:
422 AVERROR_DEMUXER_NOT_FOUND
423 AVERROR_MUXER_NOT_FOUND
424 AVERROR_DECODER_NOT_FOUND
425 AVERROR_ENCODER_NOT_FOUND
426 AVERROR_PROTOCOL_NOT_FOUND
427 AVERROR_FILTER_NOT_FOUND
428 AVERROR_BSF_NOT_FOUND
429 AVERROR_STREAM_NOT_FOUND
431 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
432 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
433 avcodec.h to avcore.h.
435 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
436 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
438 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
439 Deprecate avcodec_pix_fmt_string() in favor of
440 pixdesc.h/av_get_pix_fmt_string().
442 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
443 Add av_image_alloc() to libavcore/imgutils.h.
445 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
446 Add function avfilter_graph_create_filter() in avfiltergraph.h.
448 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
449 Add function avfilter_get_video_buffer_ref_from_arrays() in
452 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
453 Add a public audio channel API in audioconvert.h, and deprecate the
454 corresponding functions in libavcodec:
455 avcodec_get_channel_name()
456 avcodec_get_channel_layout()
457 avcodec_get_channel_layout_string()
458 avcodec_channel_layout_num_channels()
459 and the CH_* macros defined in libavcodec/avcodec.h.
461 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
462 Add av_append_packet().
464 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
465 Add av_grow_packet().
467 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
468 Add av_parse_color() declared in libavcore/parseutils.h.
470 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
471 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
474 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
475 Make avfiltergraph.h public.
477 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
478 Remove declarations from avfiltergraph.h for the functions:
479 avfilter_graph_check_validity()
480 avfilter_graph_config_links()
481 avfilter_graph_config_formats()
482 which are now internal.
483 Use avfilter_graph_config() instead.
485 2010-11-08 - r25708 - lavu 50.33.0 - eval.h
487 av_parse_and_eval_expr(),
491 in favor of the functions:
492 av_expr_parse_and_eval(),
497 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
498 Rename avfilter_destroy() to avfilter_free().
499 This change breaks libavfilter API/ABI.
501 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
502 Remove graphparser.h header, move AVFilterInOut and
503 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
505 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
506 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
507 This change breaks libavfilter API.
509 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
510 Rename avfilter_graph_destroy() to avfilter_graph_free().
511 This change breaks libavfilter API/ABI.
513 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
514 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
516 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
517 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
518 deprecate av_get_bits_per_sample_format().
520 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
521 Add sample format functions in libavcore/samplefmt.h:
522 av_get_sample_fmt_name(),
524 av_get_sample_fmt_string(),
525 and deprecate the corresponding libavcodec/audioconvert.h functions:
526 avcodec_get_sample_fmt_name(),
527 avcodec_get_sample_fmt(),
528 avcodec_sample_fmt_string().
530 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
531 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
534 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
535 Add the function avfilter_graph_config() in avfiltergraph.h.
537 2010-10-15 - r25493 - lavf 52.83.0 - metadata API
538 Change demuxers to export metadata in generic format and
539 muxers to accept generic format. Deprecate the public
542 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
543 Add time_base field to AVFilterLink.
545 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
546 Move av_set_options_string() from libavfilter/parseutils.h to
549 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
550 Make the AVFilterLink fields srcpad and dstpad store the pointers to
551 the source and destination pads, rather than their indexes.
553 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
554 Move av_get_token() from libavfilter/parseutils.h to
555 libavutil/avstring.h.
557 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
558 Add the functions sws_alloc_context() and sws_init_context().
560 2010-09-26 - r25210 - lavu 50.29.0 - opt.h
561 Move libavcodec/opt.h to libavutil/opt.h.
563 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
564 Default of av_log() changed due to many problems to the old no repeat
565 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
566 enabling it for your app!.
568 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
569 Deprecate av_opt_show() in favor or av_opt_show2().
571 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
572 Add av_popcount() to libavutil/common.h.
574 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
575 Add av_get_cpu_flags().
577 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
580 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
581 Add av_image_copy_plane().
583 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
584 Adopt hierarchical scheme for the imgutils.h function names,
585 deprecate the old names.
587 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
588 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
589 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
591 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
592 Add avcodec_get_channel_layout() in audioconvert.h.
594 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
595 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
597 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
598 Add av_fill_image_max_pixstep() in imgutils.h.
600 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
603 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
604 Implement AVFilterBufferRefAudioProps struct for audio properties,
605 get_audio_buffer(), filter_samples() functions and related changes.
607 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
608 Add av_get_image_linesize() in imgutils.h.
610 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
611 Resize data and linesize arrays in AVFilterBufferRef to 8.
613 This change breaks libavfilter API/ABI.
615 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
616 Add av_picture_data_copy in avcodec.h.
618 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
619 Change avfilter_open() signature:
620 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
621 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
623 This change breaks libavfilter API/ABI.
625 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
626 Add a type field to AVFilterBufferRef, and move video specific
627 properties to AVFilterBufferRefVideoProps.
629 This change breaks libavfilter API/ABI.
631 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
632 Rename AVFilterLink fields:
633 AVFilterLink.srcpic -> AVFilterLink.src_buf
634 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
635 AVFilterLink.outpic -> AVFilterLink.out_buf
637 2010-08-07 - r24731 - lavfi 1.30.0
638 Rename functions and fields:
639 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
640 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
641 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
643 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
644 Rename AVFilterPicRef to AVFilterBufferRef.
646 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
647 Move format field from AVFilterBuffer to AVFilterPicRef.
649 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
650 Deprecate avcodec_check_dimensions() in favor of the function
651 av_check_image_size() defined in libavcore/imgutils.h.
653 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
654 Increase size of the arrays AVFilterBuffer.data and
655 AVFilterBuffer.linesize from 4 to 8.
657 This change breaks libavfilter ABI.
659 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
660 Add functions av_fill_image_linesizes() and
661 av_fill_image_pointers(), declared in libavcore/imgutils.h.
663 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
664 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
665 defined in libavcodec in favor of the newly added functions
666 av_parse_video_size() and av_parse_video_rate() declared in
667 libavcore/parseutils.h.
669 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
670 Add the M_PHI constant definition.
672 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
673 Add a type field to AVFilterLink.
675 Change the field types:
676 enum PixelFormat format -> int format in AVFilterBuffer
677 enum PixelFormat *formats -> int *formats in AVFilterFormats
678 enum PixelFormat *format -> int format in AVFilterLink
680 Change the function signatures:
681 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
682 AVFilterFormats *avfilter_make_format_list(const int *fmts);
684 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
685 int avfilter_add_format (AVFilterFormats **avff, int fmt);
687 AVFilterFormats *avfilter_all_colorspaces(void); ->
688 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
690 This change breaks libavfilter API/ABI.
692 2010-07-21 - r24393 - lavcore 0.0.0
695 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
696 Remove w and h fields from AVFilterBuffer.
698 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
699 Rename AVFilterPic to AVFilterBuffer.
701 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
702 Make url_fskip() return an int error code instead of void.
704 2010-07-11 - r24199 - lavc 52.83.0
705 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
707 Deprecate AVCodecContext.use_lpc.
709 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
710 Add a function for free the contents of a AVSubtitle generated by
711 avcodec_decode_subtitle.
713 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
714 Make the bswap.h and intreadwrite.h API public.
716 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
717 Rename read/write_line() to av_read/write_image_line().
719 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
720 Add avfilter_copy_picref_props().
722 2010-07-03 - r24021 - lavc 52.79.0
723 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
724 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
726 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h
727 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
730 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
731 Extend av_parse_color() syntax, make it accept an alpha value specifier and
732 set the alpha value to 255 by default.
734 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
735 Add priv_data_size and priv_data_class to URLProtocol.
737 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
738 Add url_alloc() and url_connect().
740 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
741 Add av_register_protocol2(), deprecating av_register_protocol().
743 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
744 Add av_compare_mod() to libavutil/mathematics.h.
746 2010-06-05 - r23485 - lavu 50.18.0 - eval API
747 Make the eval API public.
749 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
750 Add AV_BASE64_SIZE() macro.
752 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
753 Add av_get_codec_tag_string().
755 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
756 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
758 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
759 Add CODEC_CAP_EXPERIMENTAL flag.
760 NOTE: this was backported to 0.6
762 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
763 Add av_get_random_seed().
765 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
766 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
767 NOTE: this was backported to 0.6
769 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
770 Add interlaced and top_field_first fields to AVFilterPicRef.
772 ------------------------------8<-------------------------------------
773 0.6 branch was cut here
774 ----------------------------->8--------------------------------------
776 2010-05-01 - r23002 - lavf 52.62.0 - probe function
777 Add av_probe_input_format2 to API, it allows ignoring probe
778 results below given score and returns the actual probe score.
780 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
781 Add a flag for av_metadata_set2() to disable overwriting of
784 2010-04-01 - r22753 - lavc 52.66.0
785 Add avcodec_get_edge_width().
787 2010-03-31 - r22750 - lavc 52.65.0
788 Add avcodec_copy_context().
790 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
791 Make av_match_ext() public.
793 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
794 Move AVMediaType enum from libavcodec to libavutil.
796 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
797 Define AVMediaType enum, and use it instead of enum CodecType, which
798 is deprecated and will be dropped at the next major bump.
800 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
801 Implement av_strerror().
803 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
804 Support DCT-I and DST-I.
806 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
807 Add AVFormatContext.start_time_realtime field.
809 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
810 Add AVFilterPicRef.pos field.
812 2010-03-13 - r22501 - lavu 50.12.0 - error.h
813 Move error code definitions from libavcodec/avcodec.h to
814 the new public header libavutil/error.h.
816 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h
817 Add public FFT interface.
819 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
822 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
823 Add av_tree_enumerate().
825 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
828 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
829 Add sws_getCoefficients().
831 2010-02-01 - r21587 - lavf 52.50.0 - metadata API
832 Add a list of generic tag names, change 'author' -> 'artist',
835 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
836 Add av_get_pix_fmt().
838 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
839 Change constness attributes of sws_scale() parameters.
841 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
842 Add a log_ctx parameter to avfilter_graph_config_links().
844 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
845 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
847 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
848 Change the avfilter_add_colorspace() signature, make it accept an
849 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
851 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
852 Add avfilter_add_colorspace().
854 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
855 Add av_match_ext(), it should be used in place of match_ext().
857 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
858 Add av_guess_format(), it should be used in place of guess_format().
860 2009-12-13 - r20834 - lavf 52.43.0 - metadata API
861 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
862 AV_METADATA_DONT_STRDUP_VAL.
864 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
867 2009-12-13 - r20826 - lavc 52.42.0 - AVStream
870 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
871 Introduce the av_bmg_next() function.
873 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
874 Add a slice_dir parameter to avfilter_draw_slice().
876 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
877 Remove the next field from AVFilter, this is not anymore required.
879 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
880 Introduce the avfilter_next() function.
882 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
883 Change the signature of avfilter_register() to make it return an
884 int. This is required since now the registration operation may fail.
886 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
887 Make the pixdesc.h API public.
889 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
890 Add a next field to AVFilter, this is used for simplifying the
891 registration and management of the registered filters.
893 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
894 Add a description field to AVFilter.
896 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
897 Change the interface of avfilter_make_format_list() from
898 avfilter_make_format_list(int n, ...) to
899 avfilter_make_format_list(enum PixelFormat *pix_fmts).
901 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
902 Make avfilter_get_video_buffer() recursive and add the w and h
905 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
906 Add w and h fields to AVFilterPic.
908 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
909 This is now an unsigned int instead of a signed int.
911 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
912 Add a pts field to AVSubtitle which gives the subtitle packet pts
913 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
914 not work right without this.
916 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
917 PKT_FLAG_KEY has been deprecated and will be dropped at the next
918 major version. Use AV_PKT_FLAG_KEY instead.
920 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
921 av_lockmgr_register() can be used to register a callback function
922 that lavc (and in the future, libraries that depend on lavc) can use
923 to implement mutexes. The application should provide a callback function
924 that implements the AV_LOCK_* operations described in avcodec.h.
925 When the lock manager is registered, FFmpeg is guaranteed to behave
926 correctly in a multi-threaded application.
928 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
929 av_free_packet() is no longer an inline function. It is now exported.
931 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
932 Please use NULL instead. This has been supported since r16506
933 (lavf > 52.23.1, lavc > 52.10.0).
935 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
936 The old decoding functions are deprecated, all new code should use the
937 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
938 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
939 argument instead of a const uint8_t *buf / int buf_size pair.
941 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
942 Introduce the av_fifo_space() function.
944 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
945 Move AVPacket declaration from libavformat/avformat.h to
946 libavcodec/avcodec.h.
948 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
949 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
950 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
951 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
952 PIX_FMT_BGR32_1 are now macros.
953 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
954 Re-sort the enum PixelFormat list accordingly.
955 This change breaks API/ABI backward compatibility.
957 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
958 Add the enum PixelFormat values:
959 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
960 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
962 2009-03-21 - r18116 - lavu 50.0.0 - av_random*
963 The Mersenne Twister PRNG implemented through the av_random* functions
964 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
967 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
968 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
969 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
970 and av_fifo_realloc2.
971 In addition, the order of the function arguments of av_fifo_generic_read
972 was changed to match av_fifo_generic_write.
973 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
974 applications, they may not use sizeof() or directly access members.
976 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
977 Introduce a new metadata API (see av_metadata_get() and friends).
978 The old API is now deprecated and should not be used anymore. This especially
979 includes the following structure fields:
980 - AVFormatContext.title
981 - AVFormatContext.author
982 - AVFormatContext.copyright
983 - AVFormatContext.comment
984 - AVFormatContext.album
985 - AVFormatContext.year
986 - AVFormatContext.track
987 - AVFormatContext.genre
990 - AVProgram.provider_name