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 2011-08-06 - 2f63440 - lavf 53.4.0
17 Add error_recognition to AVFormatContext.
19 2011-08-02 - 9d39cbf - lavc 53.7.1
20 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
22 2011-07-10 - a67c061 - lavf 53.3.0
23 Add avformat_find_stream_info(), deprecate av_find_stream_info().
25 2011-07-10 - 0b950fe - lavc 53.6.0
26 Add avcodec_open2(), deprecate avcodec_open().
28 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
29 Add av_printf_format().
31 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
32 Add avformat_open_input and avformat_write_header().
33 Deprecate av_open_input_stream, av_open_input_file,
34 AVFormatParameters and av_write_header.
36 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
37 Add av_opt_set_dict() and av_opt_find().
38 Deprecate av_find_opt().
39 Add AV_DICT_APPEND flag.
41 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
42 Add av_opt_flag_is_set().
44 2011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata
45 Move AVMetadata from lavf to lavu and rename it to
46 AVDictionary -- new installed header dict.h.
47 All av_metadata_* functions renamed to av_dict_*.
49 2011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
50 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
51 Deprecate av_get_bits_per_sample_fmt().
53 2011-06-05 - b39b062 - lavu 51.3.0 - opt.h
54 Add av_opt_free convenience function.
56 2011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
57 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
58 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
60 2011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
61 Add fps_probe_size to AVFormatContext.
63 2011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
64 Add request_sample_fmt field to AVCodecContext.
66 2011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
67 Deprecate AVLPCType and the following fields in
68 AVCodecContext: lpc_coeff_precision, prediction_order_method,
69 min_partition_order, max_partition_order, lpc_type, lpc_passes.
70 Corresponding FLAC encoder options should be used instead.
72 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
73 Add AVPictureType enum and av_get_picture_type_char(), deprecate
74 FF_*_TYPE defines and av_get_pict_type_char() defined in
77 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
78 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
80 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
81 Add sample_aspect_ratio fields to vsrc_buffer arguments
83 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
84 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
86 2011-04-15 - lavc 52.120.0 - avcodec.h
87 AVPacket structure got additional members for passing side information:
88 4de339e introduce side information for AVPacket
89 2d8591c make containers pass palette change in AVPacket
91 2011-04-12 - lavf 52.107.0 - avio.h
92 Avio cleanup, part II - deprecate the entire URLContext API:
93 175389c add avio_check as a replacement for url_exist
94 ff1ec0c add avio_pause and avio_seek_time as replacements
95 for _av_url_read_fseek/fpause
96 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
97 should be used instead.
98 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
99 f87b1b3 rename open flags: URL_* -> AVIO_*
100 f8270bb add avio_enum_protocols.
101 5593f03 deprecate URLProtocol.
102 c486dad deprecate URLContext.
103 026e175 deprecate the typedef for URLInterruptCB
104 8e76a19 deprecate av_register_protocol2.
105 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
106 1305d93 deprecate av_url_read_seek
107 fa104e1 deprecate av_url_read_pause
108 727c7aa deprecate url_get_filename().
109 5958df3 deprecate url_max_packet_size().
110 1869ea0 deprecate url_get_file_handle().
111 32a97d4 deprecate url_filesize().
112 e52a914 deprecate url_close().
113 58a48c6 deprecate url_seek().
114 925e908 deprecate url_write().
115 dce3756 deprecate url_read_complete().
116 bc371ac deprecate url_read().
117 0589da0 deprecate url_open().
118 62eaaea deprecate url_connect.
119 5652bb9 deprecate url_alloc.
120 333e894 deprecate url_open_protocol
121 e230705 deprecate url_poll and URLPollEntry
123 2011-04-10 - lavu 50.40.0 - pixfmt.h
124 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
126 2011-04-08 - lavf 52.106.0 - avformat.h
127 Minor avformat.h cleanup:
128 a9bf9d8 deprecate av_guess_image2_codec
129 c3675df rename avf_sdp_create->av_sdp_create
131 2011-04-03 - lavf 52.105.0 - avio.h
132 Large-scale renaming/deprecating of AVIOContext-related functions:
133 724f6a0 deprecate url_fdopen
134 403ee83 deprecate url_open_dyn_packet_buf
135 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
136 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
137 8978fed introduce an AVIOContext.seekable field as a replacement for
138 AVIOContext.is_streamed and url_is_streamed()
139 b64030f deprecate get_checksum()
140 4c4427a deprecate init_checksum()
141 4ec153b deprecate udp_set_remote_url/get_local_port
142 933e90a deprecate av_url_read_fseek/fpause
143 8d9769a deprecate url_fileno
144 b7f2fdd rename put_flush_packet -> avio_flush
145 35f1023 deprecate url_close_buf
146 83fddae deprecate url_open_buf
147 d9d86e0 rename url_fprintf -> avio_printf
148 59f65d9 deprecate url_setbufsize
149 3e68b3b deprecate url_ferror
150 66e5b1d deprecate url_feof
151 e8bb2e2 deprecate url_fget_max_packet_size
152 76aa876 rename url_fsize -> avio_size
153 e519753 deprecate url_fgetc
154 655e45e deprecate url_fgets
155 a2704c9 rename url_ftell -> avio_tell
156 e16ead0 deprecate get_strz() in favor of avio_get_str
157 0300db8,2af07d3 rename url_fskip -> avio_skip
158 6b4aa5d rename url_fseek -> avio_seek
159 61840b4 deprecate put_tag
160 22a3212 rename url_fopen/fclose -> avio_open/close.
161 0ac8e2b deprecate put_nbyte
162 77eb550 rename put_byte -> avio_w8
163 put_[b/l]e<type> -> avio_w[b/l]<type>
164 put_buffer -> avio_write
165 b7effd4 rename get_byte -> avio_r8,
166 get_[b/l]e<type> -> avio_r[b/l]<type>
167 get_buffer -> avio_read
168 b3db9ce deprecate get_partial_buffer
169 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
171 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
172 Add audio_service_type field to AVCodecContext.
174 2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
175 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
176 source stream timebase for outputting timestamps. Deprecate
177 av_pkt_dump and av_pkt_dump_log.
179 2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
180 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
181 original, and move it to a private header so it is no longer
182 part of our public API. Instead, use av_alloc_put_byte().
183 * ae628ec - rename ByteIOContext to AVIOContext.
185 2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
186 lavu 52.39.0 - parseutils.h
187 * 610219a - Add av_ prefix to dump_format().
188 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
189 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
191 2011-02-15 - lavu 52.38.0 - merge libavcore
192 libavcore is merged back completely into libavutil
194 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
195 Add vbv_delay field to AVCodecContext
197 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
198 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
200 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
201 Add sample_aspect_ratio field to AVFilterLink.
203 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
204 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
206 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
207 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
208 set thread_count before calling avcodec_open.
210 2011-02-09 - 778b08a - lavc 52.111.0 - threading API
211 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
212 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
213 Add thread_type and active_thread_type fields to AVCodecContext.
215 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
216 Add av_probe_input_buffer() to avformat.h for probing format from a
219 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
220 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
222 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
223 Add avformat_free_context() in avformat.h.
225 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
226 Add CODEC_ID_PRORES to avcodec.h.
228 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
229 Add defines for H.264 * Constrained Baseline and Intra profiles
231 2011-02-02 - lavf 52.95.0
232 * 50196a9 - add a new installed header version.h.
233 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
234 avio_{put,get}_str* functions. Deprecate corresponding semi-public
237 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
240 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
241 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
243 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
244 Add av_metadata_copy() in avformat.h.
246 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
247 Deprecate reordered_opaque in favor of pkt_pts/dts.
249 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
250 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
253 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
254 Add pkt_pts to AVFrame.
256 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
257 Add av_get_profile_name to libavcodec/avcodec.h.
259 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
260 Add AV_PERM_NEG_LINESIZES in avfilter.h.
262 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
263 Add av_find_best_stream to libavformat/avformat.h.
265 2010-12-27 - r26103 - lavf 52.90.0
266 Add AVFMT_NOSTREAMS flag for formats with no streams,
267 like e.g. text metadata.
269 2010-12-22 - r26073 - lavu 50.36.0 - file.h
270 Add functions av_file_map() and av_file_unmap() in file.h.
272 2010-12-19 - r26056 - lavu 50.35.0 - error.h
273 Add "not found" error codes:
274 AVERROR_DEMUXER_NOT_FOUND
275 AVERROR_MUXER_NOT_FOUND
276 AVERROR_DECODER_NOT_FOUND
277 AVERROR_ENCODER_NOT_FOUND
278 AVERROR_PROTOCOL_NOT_FOUND
279 AVERROR_FILTER_NOT_FOUND
280 AVERROR_BSF_NOT_FOUND
281 AVERROR_STREAM_NOT_FOUND
283 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
284 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
285 avcodec.h to avcore.h.
287 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
288 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
290 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
291 Deprecate avcodec_pix_fmt_string() in favor of
292 pixdesc.h/av_get_pix_fmt_string().
294 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
295 Add av_image_alloc() to libavcore/imgutils.h.
297 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
298 Add function avfilter_graph_create_filter() in avfiltergraph.h.
300 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
301 Add function avfilter_get_video_buffer_ref_from_arrays() in
304 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
305 Add a public audio channel API in audioconvert.h, and deprecate the
306 corresponding functions in libavcodec:
307 avcodec_get_channel_name()
308 avcodec_get_channel_layout()
309 avcodec_get_channel_layout_string()
310 avcodec_channel_layout_num_channels()
311 and the CH_* macros defined in libavcodec/avcodec.h.
313 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
314 Add av_append_packet().
316 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
317 Add av_grow_packet().
319 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
320 Add av_parse_color() declared in libavcore/parseutils.h.
322 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
323 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
326 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
327 Make avfiltergraph.h public.
329 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
330 Remove declarations from avfiltergraph.h for the functions:
331 avfilter_graph_check_validity()
332 avfilter_graph_config_links()
333 avfilter_graph_config_formats()
334 which are now internal.
335 Use avfilter_graph_config() instead.
337 2010-11-08 - r25708 - lavu 50.33.0 - eval.h
339 av_parse_and_eval_expr(),
343 in favor of the functions:
344 av_expr_parse_and_eval(),
349 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
350 Rename avfilter_destroy() to avfilter_free().
351 This change breaks libavfilter API/ABI.
353 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
354 Remove graphparser.h header, move AVFilterInOut and
355 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
357 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
358 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
359 This change breaks libavfilter API.
361 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
362 Rename avfilter_graph_destroy() to avfilter_graph_free().
363 This change breaks libavfilter API/ABI.
365 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
366 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
368 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
369 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
370 deprecate av_get_bits_per_sample_format().
372 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
373 Add sample format functions in libavcore/samplefmt.h:
374 av_get_sample_fmt_name(),
376 av_get_sample_fmt_string(),
377 and deprecate the corresponding libavcodec/audioconvert.h functions:
378 avcodec_get_sample_fmt_name(),
379 avcodec_get_sample_fmt(),
380 avcodec_sample_fmt_string().
382 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
383 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
386 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
387 Add the function avfilter_graph_config() in avfiltergraph.h.
389 2010-10-15 - r25493 - lavf 52.83.0 - metadata API
390 Change demuxers to export metadata in generic format and
391 muxers to accept generic format. Deprecate the public
394 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
395 Add time_base field to AVFilterLink.
397 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
398 Move av_set_options_string() from libavfilter/parseutils.h to
401 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
402 Make the AVFilterLink fields srcpad and dstpad store the pointers to
403 the source and destination pads, rather than their indexes.
405 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
406 Move av_get_token() from libavfilter/parseutils.h to
407 libavutil/avstring.h.
409 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
410 Add the functions sws_alloc_context() and sws_init_context().
412 2010-09-26 - r25210 - lavu 50.29.0 - opt.h
413 Move libavcodec/opt.h to libavutil/opt.h.
415 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
416 Default of av_log() changed due to many problems to the old no repeat
417 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
418 enabling it for your app!.
420 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
421 Deprecate av_opt_show() in favor or av_opt_show2().
423 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
424 Add av_popcount() to libavutil/common.h.
426 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
427 Add av_get_cpu_flags().
429 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
432 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
433 Add av_image_copy_plane().
435 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
436 Adopt hierarchical scheme for the imgutils.h function names,
437 deprecate the old names.
439 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
440 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
441 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
443 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
444 Add avcodec_get_channel_layout() in audioconvert.h.
446 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
447 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
449 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
450 Add av_fill_image_max_pixstep() in imgutils.h.
452 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
455 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
456 Implement AVFilterBufferRefAudioProps struct for audio properties,
457 get_audio_buffer(), filter_samples() functions and related changes.
459 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
460 Add av_get_image_linesize() in imgutils.h.
462 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
463 Resize data and linesize arrays in AVFilterBufferRef to 8.
465 This change breaks libavfilter API/ABI.
467 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
468 Add av_picture_data_copy in avcodec.h.
470 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
471 Change avfilter_open() signature:
472 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
473 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
475 This change breaks libavfilter API/ABI.
477 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
478 Add a type field to AVFilterBufferRef, and move video specific
479 properties to AVFilterBufferRefVideoProps.
481 This change breaks libavfilter API/ABI.
483 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
484 Rename AVFilterLink fields:
485 AVFilterLink.srcpic -> AVFilterLink.src_buf
486 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
487 AVFilterLink.outpic -> AVFilterLink.out_buf
489 2010-08-07 - r24731 - lavfi 1.30.0
490 Rename functions and fields:
491 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
492 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
493 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
495 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
496 Rename AVFilterPicRef to AVFilterBufferRef.
498 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
499 Move format field from AVFilterBuffer to AVFilterPicRef.
501 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
502 Deprecate avcodec_check_dimensions() in favor of the function
503 av_check_image_size() defined in libavcore/imgutils.h.
505 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
506 Increase size of the arrays AVFilterBuffer.data and
507 AVFilterBuffer.linesize from 4 to 8.
509 This change breaks libavfilter ABI.
511 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
512 Add functions av_fill_image_linesizes() and
513 av_fill_image_pointers(), declared in libavcore/imgutils.h.
515 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
516 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
517 defined in libavcodec in favor of the newly added functions
518 av_parse_video_size() and av_parse_video_rate() declared in
519 libavcore/parseutils.h.
521 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
522 Add the M_PHI constant definition.
524 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
525 Add a type field to AVFilterLink.
527 Change the field types:
528 enum PixelFormat format -> int format in AVFilterBuffer
529 enum PixelFormat *formats -> int *formats in AVFilterFormats
530 enum PixelFormat *format -> int format in AVFilterLink
532 Change the function signatures:
533 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
534 AVFilterFormats *avfilter_make_format_list(const int *fmts);
536 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
537 int avfilter_add_format (AVFilterFormats **avff, int fmt);
539 AVFilterFormats *avfilter_all_colorspaces(void); ->
540 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
542 This change breaks libavfilter API/ABI.
544 2010-07-21 - r24393 - lavcore 0.0.0
547 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
548 Remove w and h fields from AVFilterBuffer.
550 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
551 Rename AVFilterPic to AVFilterBuffer.
553 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
554 Make url_fskip() return an int error code instead of void.
556 2010-07-11 - r24199 - lavc 52.83.0
557 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
559 Deprecate AVCodecContext.use_lpc.
561 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
562 Add a function for free the contents of a AVSubtitle generated by
563 avcodec_decode_subtitle.
565 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
566 Make the bswap.h and intreadwrite.h API public.
568 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
569 Rename read/write_line() to av_read/write_image_line().
571 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
572 Add avfilter_copy_picref_props().
574 2010-07-03 - r24021 - lavc 52.79.0
575 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
576 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
578 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h
579 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
582 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
583 Extend av_parse_color() syntax, make it accept an alpha value specifier and
584 set the alpha value to 255 by default.
586 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
587 Add priv_data_size and priv_data_class to URLProtocol.
589 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
590 Add url_alloc() and url_connect().
592 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
593 Add av_register_protocol2(), deprecating av_register_protocol().
595 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
596 Add av_compare_mod() to libavutil/mathematics.h.
598 2010-06-05 - r23485 - lavu 50.18.0 - eval API
599 Make the eval API public.
601 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
602 Add AV_BASE64_SIZE() macro.
604 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
605 Add av_get_codec_tag_string().
607 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
608 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
610 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
611 Add CODEC_CAP_EXPERIMENTAL flag.
612 NOTE: this was backported to 0.6
614 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
615 Add av_get_random_seed().
617 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
618 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
619 NOTE: this was backported to 0.6
621 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
622 Add interlaced and top_field_first fields to AVFilterPicRef.
624 ------------------------------8<-------------------------------------
625 0.6 branch was cut here
626 ----------------------------->8--------------------------------------
628 2010-05-01 - r23002 - lavf 52.62.0 - probe function
629 Add av_probe_input_format2 to API, it allows ignoring probe
630 results below given score and returns the actual probe score.
632 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
633 Add a flag for av_metadata_set2() to disable overwriting of
636 2010-04-01 - r22753 - lavc 52.66.0
637 Add avcodec_get_edge_width().
639 2010-03-31 - r22750 - lavc 52.65.0
640 Add avcodec_copy_context().
642 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
643 Make av_match_ext() public.
645 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
646 Move AVMediaType enum from libavcodec to libavutil.
648 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
649 Define AVMediaType enum, and use it instead of enum CodecType, which
650 is deprecated and will be dropped at the next major bump.
652 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
653 Implement av_strerror().
655 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
656 Support DCT-I and DST-I.
658 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
659 Add AVFormatContext.start_time_realtime field.
661 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
662 Add AVFilterPicRef.pos field.
664 2010-03-13 - r22501 - lavu 50.12.0 - error.h
665 Move error code definitions from libavcodec/avcodec.h to
666 the new public header libavutil/error.h.
668 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h
669 Add public FFT interface.
671 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
674 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
675 Add av_tree_enumerate().
677 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
680 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
681 Add sws_getCoefficients().
683 2010-02-01 - r21587 - lavf 52.50.0 - metadata API
684 Add a list of generic tag names, change 'author' -> 'artist',
687 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
688 Add av_get_pix_fmt().
690 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
691 Change constness attributes of sws_scale() parameters.
693 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
694 Add a log_ctx parameter to avfilter_graph_config_links().
696 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
697 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
699 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
700 Change the avfilter_add_colorspace() signature, make it accept an
701 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
703 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
704 Add avfilter_add_colorspace().
706 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
707 Add av_match_ext(), it should be used in place of match_ext().
709 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
710 Add av_guess_format(), it should be used in place of guess_format().
712 2009-12-13 - r20834 - lavf 52.43.0 - metadata API
713 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
714 AV_METADATA_DONT_STRDUP_VAL.
716 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
719 2009-12-13 - r20826 - lavc 52.42.0 - AVStream
722 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
723 Introduce the av_bmg_next() function.
725 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
726 Add a slice_dir parameter to avfilter_draw_slice().
728 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
729 Remove the next field from AVFilter, this is not anymore required.
731 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
732 Introduce the avfilter_next() function.
734 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
735 Change the signature of avfilter_register() to make it return an
736 int. This is required since now the registration operation may fail.
738 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
739 Make the pixdesc.h API public.
741 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
742 Add a next field to AVFilter, this is used for simplifying the
743 registration and management of the registered filters.
745 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
746 Add a description field to AVFilter.
748 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
749 Change the interface of avfilter_make_format_list() from
750 avfilter_make_format_list(int n, ...) to
751 avfilter_make_format_list(enum PixelFormat *pix_fmts).
753 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
754 Make avfilter_get_video_buffer() recursive and add the w and h
757 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
758 Add w and h fields to AVFilterPic.
760 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
761 This is now an unsigned int instead of a signed int.
763 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
764 Add a pts field to AVSubtitle which gives the subtitle packet pts
765 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
766 not work right without this.
768 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
769 PKT_FLAG_KEY has been deprecated and will be dropped at the next
770 major version. Use AV_PKT_FLAG_KEY instead.
772 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
773 av_lockmgr_register() can be used to register a callback function
774 that lavc (and in the future, libraries that depend on lavc) can use
775 to implement mutexes. The application should provide a callback function
776 that implements the AV_LOCK_* operations described in avcodec.h.
777 When the lock manager is registered, FFmpeg is guaranteed to behave
778 correctly in a multi-threaded application.
780 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
781 av_free_packet() is no longer an inline function. It is now exported.
783 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
784 Please use NULL instead. This has been supported since r16506
785 (lavf > 52.23.1, lavc > 52.10.0).
787 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
788 The old decoding functions are deprecated, all new code should use the
789 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
790 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
791 argument instead of a const uint8_t *buf / int buf_size pair.
793 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
794 Introduce the av_fifo_space() function.
796 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
797 Move AVPacket declaration from libavformat/avformat.h to
798 libavcodec/avcodec.h.
800 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
801 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
802 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
803 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
804 PIX_FMT_BGR32_1 are now macros.
805 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
806 Re-sort the enum PixelFormat list accordingly.
807 This change breaks API/ABI backward compatibility.
809 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
810 Add the enum PixelFormat values:
811 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
812 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
814 2009-03-21 - r18116 - lavu 50.0.0 - av_random*
815 The Mersenne Twister PRNG implemented through the av_random* functions
816 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
819 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
820 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
821 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
822 and av_fifo_realloc2.
823 In addition, the order of the function arguments of av_fifo_generic_read
824 was changed to match av_fifo_generic_write.
825 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
826 applications, they may not use sizeof() or directly access members.
828 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
829 Introduce a new metadata API (see av_metadata_get() and friends).
830 The old API is now deprecated and should not be used anymore. This especially
831 includes the following structure fields:
832 - AVFormatContext.title
833 - AVFormatContext.author
834 - AVFormatContext.copyright
835 - AVFormatContext.comment
836 - AVFormatContext.album
837 - AVFormatContext.year
838 - AVFormatContext.track
839 - AVFormatContext.genre
842 - AVProgram.provider_name