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-xx-xx - xxxxxxx - lavf 53.9.0
17 Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.
19 2011-10-12 - lavu 51.12.0
20 AVOptions API rewrite.
22 - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*
23 - new setting/getting functions with slightly different semantics:
24 dac66da av_set_string3 -> av_opt_set
25 av_set_double -> av_opt_set_double
26 av_set_q -> av_opt_set_q
27 av_set_int -> av_opt_set_int
29 41d9d51 av_get_string -> av_opt_get
30 av_get_double -> av_opt_get_double
31 av_get_q -> av_opt_get_q
32 av_get_int -> av_opt_get_int
34 - 8c5dcaa trivial rename av_next_option -> av_opt_next
35 - 641c7af new functions - av_opt_child_next, av_opt_child_class_next
38 2011-09-22 - xxxxxxx - lavu 51.17.0
41 2011-09-18 - xxxxxxx - lavc 53.16.0
44 2011-09-16 - xxxxxxx - lavfi 2.42.0
45 Add avfilter_all_channel_layouts.
47 2011-09-16 - xxxxxxx - lavfi 2.41.0
48 Rename avfilter_all_* function names to avfilter_make_all_*.
50 In particular, apply the renames:
51 avfilter_all_formats -> avfilter_make_all_formats
52 avfilter_all_channel_layouts -> avfilter_make_all_channel_layouts
53 avfilter_all_packing_formats -> avfilter_make_all_packing_formats
55 2011-09-12 - xxxxxxx - lavfi 2.40.0
56 Change AVFilterBufferRefAudioProps.sample_rate type from uint32_t to int.
58 2011-09-12 - xxxxxxx - lavfi 2.40.0
59 Simplify signature for avfilter_get_audio_buffer(), make it
60 consistent with avfilter_get_video_buffer().
62 2011-09-06 - xxxxxxx - lavfi 2.39.0
63 Rename libavfilter/vsink_buffer.h to libavfilter/buffersink.h.
65 2011-09-06 - xxxxxxx - lavfi 2.38.0
66 Unify video and audio sink API.
68 In particular, add av_buffersink_get_buffer_ref(), deprecate
69 av_vsink_buffer_get_video_buffer_ref() and change the value for the
70 opaque field passed to the abuffersink init function.
72 2011-09-xx - xxxxxxx - lavu 51.16.0
75 2011-08-22 - dacd827 - lavf 53.10.0
76 Add av_find_program_from_stream().
78 2011-08-20 - 69e2c1a - lavu 51.13.0
79 Add av_get_media_type_string().
81 2011-09-03 - fb4ca26 - lavc 53.13.0
84 Add {avcodec,avformat,sws}_get_class().
86 2011-08-03 - c11fb82 - lavu 51.15.0
87 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
89 2011-08-14 - 323b930 - lavu 51.12.0
90 Add av_fifo_peek2(), deprecate av_fifo_peek().
92 2011-08-16 - 48f9e45 - lavf 53.8.0
93 Add avformat_query_codec().
95 2011-08-16 - bca06e7 - lavc 53.11.0
96 Add avcodec_get_type().
98 2011-08-06 - 2f63440 - lavf 53.7.0
99 Add error_recognition to AVFormatContext.
101 2011-08-02 - 9d39cbf - lavc 53.9.1
102 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
104 2011-07-16 - b57df29 - lavfi 2.27.0
105 Add audio packing negotiation fields and helper functions.
107 In particular, add AVFilterPacking enum, planar, in_packings and
108 out_packings fields to AVFilterLink, and the functions:
109 avfilter_set_common_packing_formats()
110 avfilter_all_packing_formats()
112 2011-07-10 - a67c061 - lavf 53.6.0
113 Add avformat_find_stream_info(), deprecate av_find_stream_info().
115 2011-07-10 - 0b950fe - lavc 53.8.0
116 Add avcodec_open2(), deprecate avcodec_open().
118 2011-07-01 - b442ca6 - lavf 53.5.0 - avformat.h
119 Add function av_get_output_timestamp().
121 2011-06-28 - 5129336 - lavu 51.11.0 - avutil.h
122 Define the AV_PICTURE_TYPE_NONE value in AVPictureType enum.
124 2011-06-19 - fd2c0a5 - lavfi 2.23.0 - avfilter.h
125 Add layout negotiation fields and helper functions.
127 In particular, add in_chlayouts and out_chlayouts to AVFilterLink,
129 avfilter_set_common_sample_formats()
130 avfilter_set_common_channel_layouts()
131 avfilter_all_channel_layouts()
133 2011-06-19 - 527ca39 - lavfi 2.22.0 - AVFilterFormats
134 Change type of AVFilterFormats.formats from int * to int64_t *,
135 and update formats handling API accordingly.
137 avfilter_make_format_list() still takes a int32_t array and converts
138 it to int64_t. A new function, avfilter_make_format64_list(), that
139 takes int64_t arrays has been added.
141 2011-06-19 - 44f669e - lavfi 2.21.0 - vsink_buffer.h
142 Add video sink buffer and vsink_buffer.h public header.
144 2011-06-12 - 9fdf772 - lavfi 2.18.0 - avcodec.h
145 Add avfilter_get_video_buffer_ref_from_frame() function in
146 libavfilter/avcodec.h.
148 2011-06-12 - c535494 - lavfi 2.17.0 - avfiltergraph.h
149 Add avfilter_inout_alloc() and avfilter_inout_free() functions.
151 2011-06-12 - 6119b23 - lavfi 2.16.0 - avfilter_graph_parse()
152 Change avfilter_graph_parse() signature.
154 2011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
155 Add av_printf_format().
157 2011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
158 Add avformat_open_input and avformat_write_header().
159 Deprecate av_open_input_stream, av_open_input_file,
160 AVFormatParameters and av_write_header.
162 2011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
163 Add av_opt_set_dict() and av_opt_find().
164 Deprecate av_find_opt().
165 Add AV_DICT_APPEND flag.
167 2011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
168 Add av_opt_flag_is_set().
170 2011-06-10 - c381960 - lavfi 2.15.0 - avfilter_get_audio_buffer_ref_from_arrays
171 Add avfilter_get_audio_buffer_ref_from_arrays() to avfilter.h.
173 2011-06-09 - d9f80ea - lavu 51.8.0 - AVMetadata
174 Move AVMetadata from lavf to lavu and rename it to
175 AVDictionary -- new installed header dict.h.
176 All av_metadata_* functions renamed to av_dict_*.
178 2011-06-07 - a6703fa - lavu 51.8.0 - av_get_bytes_per_sample()
179 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
180 Deprecate av_get_bits_per_sample_fmt().
182 2011-06-xx - b39b062 - lavu 51.8.0 - opt.h
183 Add av_opt_free convenience function.
185 2011-06-06 - 95a0242 - lavfi 2.14.0 - AVFilterBufferRefAudioProps
186 Remove AVFilterBufferRefAudioProps.size, and use nb_samples in
187 avfilter_get_audio_buffer() and avfilter_default_get_audio_buffer() in
190 2011-06-06 - 0bc2cca - lavu 51.6.0 - av_samples_alloc()
191 Switch nb_channels and nb_samples parameters order in
194 2011-06-06 - e1c7414 - lavu 51.5.0 - av_samples_*
195 Change the data layout created by av_samples_fill_arrays() and
198 2011-06-06 - 27bcf55 - lavfi 2.13.0 - vsrc_buffer.h
199 Make av_vsrc_buffer_add_video_buffer_ref() accepts an additional
200 flags parameter in input.
202 2011-06-03 - e977ca2 - lavfi 2.12.0 - avfilter_link_free()
203 Add avfilter_link_free() function.
205 2011-06-02 - 5ad38d9 - lavu 51.4.0 - av_force_cpu_flags()
206 Add av_cpu_flags() in libavutil/cpu.h.
208 2011-05-28 - e71f260 - lavu 51.3.0 - pixdesc.h
209 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
210 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
212 2011-05-25 - 30315a8 - lavf 53.3.0 - avformat.h
213 Add fps_probe_size to AVFormatContext.
215 2011-05-22 - 5ecdfd0 - lavf 53.2.0 - avformat.h
216 Introduce avformat_alloc_output_context2() and deprecate
217 avformat_alloc_output_context().
219 2011-05-22 - 83db719 - lavfi 2.10.0 - vsrc_buffer.h
220 Make libavfilter/vsrc_buffer.h public.
222 2011-05-19 - c000a9f - lavfi 2.8.0 - avcodec.h
223 Add av_vsrc_buffer_add_frame() to libavfilter/avcodec.h.
225 2011-05-14 - 9fdf772 - lavfi 2.6.0 - avcodec.h
226 Add avfilter_get_video_buffer_ref_from_frame() to libavfilter/avcodec.h.
228 2011-05-18 - 64150ff - lavc 53.7.0 - AVCodecContext.request_sample_fmt
229 Add request_sample_fmt field to AVCodecContext.
231 2011-05-10 - 188dea1 - lavc 53.6.0 - avcodec.h
232 Deprecate AVLPCType and the following fields in
233 AVCodecContext: lpc_coeff_precision, prediction_order_method,
234 min_partition_order, max_partition_order, lpc_type, lpc_passes.
235 Corresponding FLAC encoder options should be used instead.
237 2011-05-07 - 9fdf772 - lavfi 2.5.0 - avcodec.h
238 Add libavfilter/avcodec.h header and avfilter_copy_frame_props()
241 2011-05-07 - 18ded93 - lavc 53.5.0 - AVFrame
242 Add format field to AVFrame.
244 2011-05-07 - 22333a6 - lavc 53.4.0 - AVFrame
245 Add width and height fields to AVFrame.
247 2011-05-01 - 35fe66a - lavfi 2.4.0 - avfilter.h
248 Rename AVFilterBufferRefVideoProps.pixel_aspect to
251 2011-05-01 - 77e9dee - lavc 53.3.0 - AVFrame
252 Add a sample_aspect_ratio field to AVFrame.
254 2011-05-01 - 1ba5727 - lavc 53.2.0 - AVFrame
255 Add a pkt_pos field to AVFrame.
257 2011-04-29 - 35ceaa7 - lavu 51.2.0 - mem.h
258 Add av_dynarray_add function for adding
259 an element to a dynamic array.
261 2011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
262 Add AVPictureType enum and av_get_picture_type_char(), deprecate
263 FF_*_TYPE defines and av_get_pict_type_char() defined in
264 libavcodec/avcodec.h.
266 2011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
267 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
269 2011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
270 Add sample_aspect_ratio fields to vsrc_buffer arguments
272 2011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
273 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
275 2011-04-15 - lavc 52.120.0 - avcodec.h
276 AVPacket structure got additional members for passing side information:
277 4de339e introduce side information for AVPacket
278 2d8591c make containers pass palette change in AVPacket
280 2011-04-12 - lavf 52.107.0 - avio.h
281 Avio cleanup, part II - deprecate the entire URLContext API:
282 175389c add avio_check as a replacement for url_exist
283 ff1ec0c add avio_pause and avio_seek_time as replacements
284 for _av_url_read_fseek/fpause
285 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
286 should be used instead.
287 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
288 f87b1b3 rename open flags: URL_* -> AVIO_*
289 f8270bb add avio_enum_protocols.
290 5593f03 deprecate URLProtocol.
291 c486dad deprecate URLContext.
292 026e175 deprecate the typedef for URLInterruptCB
293 8e76a19 deprecate av_register_protocol2.
294 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
295 1305d93 deprecate av_url_read_seek
296 fa104e1 deprecate av_url_read_pause
297 727c7aa deprecate url_get_filename().
298 5958df3 deprecate url_max_packet_size().
299 1869ea0 deprecate url_get_file_handle().
300 32a97d4 deprecate url_filesize().
301 e52a914 deprecate url_close().
302 58a48c6 deprecate url_seek().
303 925e908 deprecate url_write().
304 dce3756 deprecate url_read_complete().
305 bc371ac deprecate url_read().
306 0589da0 deprecate url_open().
307 62eaaea deprecate url_connect.
308 5652bb9 deprecate url_alloc.
309 333e894 deprecate url_open_protocol
310 e230705 deprecate url_poll and URLPollEntry
312 2011-04-08 - lavf 52.106.0 - avformat.h
313 Minor avformat.h cleanup:
314 a9bf9d8 deprecate av_guess_image2_codec
315 c3675df rename avf_sdp_create->av_sdp_create
317 2011-04-03 - lavf 52.105.0 - avio.h
318 Large-scale renaming/deprecating of AVIOContext-related functions:
319 724f6a0 deprecate url_fdopen
320 403ee83 deprecate url_open_dyn_packet_buf
321 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
322 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
323 8978fed introduce an AVIOContext.seekable field as a replacement for
324 AVIOContext.is_streamed and url_is_streamed()
325 b64030f deprecate get_checksum()
326 4c4427a deprecate init_checksum()
327 4ec153b deprecate udp_set_remote_url/get_local_port
328 933e90a deprecate av_url_read_fseek/fpause
329 8d9769a deprecate url_fileno
330 b7f2fdd rename put_flush_packet -> avio_flush
331 35f1023 deprecate url_close_buf
332 83fddae deprecate url_open_buf
333 d9d86e0 rename url_fprintf -> avio_printf
334 59f65d9 deprecate url_setbufsize
335 3e68b3b deprecate url_ferror
336 e8bb2e2 deprecate url_fget_max_packet_size
337 76aa876 rename url_fsize -> avio_size
338 e519753 deprecate url_fgetc
339 655e45e deprecate url_fgets
340 a2704c9 rename url_ftell -> avio_tell
341 e16ead0 deprecate get_strz() in favor of avio_get_str
342 0300db8,2af07d3 rename url_fskip -> avio_skip
343 6b4aa5d rename url_fseek -> avio_seek
344 61840b4 deprecate put_tag
345 22a3212 rename url_fopen/fclose -> avio_open/close.
346 0ac8e2b deprecate put_nbyte
347 77eb550 rename put_byte -> avio_w8
348 put_[b/l]e<type> -> avio_w[b/l]<type>
349 put_buffer -> avio_write
350 b7effd4 rename get_byte -> avio_r8,
351 get_[b/l]e<type> -> avio_r[b/l]<type>
352 get_buffer -> avio_read
353 b3db9ce deprecate get_partial_buffer
354 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
356 2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
357 Add audio_service_type field to AVCodecContext.
359 2011-03-17 - e309fdc - lavu 50.40.0 - pixfmt.h
360 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
362 2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
363 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
364 source stream timebase for outputting timestamps. Deprecate
365 av_pkt_dump and av_pkt_dump_log.
367 2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
368 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
369 original, and move it to a private header so it is no longer
370 part of our public API. Instead, use av_alloc_put_byte().
371 * ae628ec - rename ByteIOContext to AVIOContext.
373 2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
374 lavu 52.39.0 - parseutils.h
375 * 610219a - Add av_ prefix to dump_format().
376 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
377 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
379 2011-02-15 - lavu 52.38.0 - merge libavcore
380 libavcore is merged back completely into libavutil
382 2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
383 Add vbv_delay field to AVCodecContext
385 2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
386 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
388 2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
389 Add sample_aspect_ratio field to AVFilterLink.
391 2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
392 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
394 2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
395 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
396 set thread_count before calling avcodec_open.
398 2011-02-09 - 778b08a - lavc 52.111.0 - threading API
399 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
400 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
401 Add thread_type and active_thread_type fields to AVCodecContext.
403 2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
404 Add av_probe_input_buffer() to avformat.h for probing format from a
407 2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
408 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
410 2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
411 Add avformat_free_context() in avformat.h.
413 2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
414 Add CODEC_ID_PRORES to avcodec.h.
416 2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
417 Add defines for H.264 * Constrained Baseline and Intra profiles
419 2011-02-02 - lavf 52.95.0
420 * 50196a9 - add a new installed header version.h.
421 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
422 avio_{put,get}_str* functions. Deprecate corresponding semi-public
425 2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
428 2011-01-31 - 7b3ea55 - lavfi 1.76.0 - vsrc_buffer
429 Add sample_aspect_ratio fields to vsrc_buffer arguments
431 2011-01-31 - 910b5b8 - lavfi 1.75.0 - AVFilterLink sample_aspect_ratio
432 Add sample_aspect_ratio field to AVFilterLink.
434 2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
435 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
437 2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
438 Add av_metadata_copy() in avformat.h.
440 2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
441 Deprecate reordered_opaque in favor of pkt_pts/dts.
443 2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
444 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
447 2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
448 Add pkt_pts to AVFrame.
450 2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
451 Add av_get_profile_name to libavcodec/avcodec.h.
453 2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
454 Add AV_PERM_NEG_LINESIZES in avfilter.h.
456 2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
457 Add av_find_best_stream to libavformat/avformat.h.
459 2010-12-27 - r26103 - lavf 52.90.0
460 Add AVFMT_NOSTREAMS flag for formats with no streams,
461 like e.g. text metadata.
463 2010-12-22 - r26073 - lavu 50.36.0 - file.h
464 Add functions av_file_map() and av_file_unmap() in file.h.
466 2010-12-19 - r26056 - lavu 50.35.0 - error.h
467 Add "not found" error codes:
468 AVERROR_DEMUXER_NOT_FOUND
469 AVERROR_MUXER_NOT_FOUND
470 AVERROR_DECODER_NOT_FOUND
471 AVERROR_ENCODER_NOT_FOUND
472 AVERROR_PROTOCOL_NOT_FOUND
473 AVERROR_FILTER_NOT_FOUND
474 AVERROR_BSF_NOT_FOUND
475 AVERROR_STREAM_NOT_FOUND
477 2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
478 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
479 avcodec.h to avcore.h.
481 2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
482 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
484 2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
485 Deprecate avcodec_pix_fmt_string() in favor of
486 pixdesc.h/av_get_pix_fmt_string().
488 2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
489 Add av_image_alloc() to libavcore/imgutils.h.
491 2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
492 Add function avfilter_graph_create_filter() in avfiltergraph.h.
494 2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
495 Add function avfilter_get_video_buffer_ref_from_arrays() in
498 2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
499 Add a public audio channel API in audioconvert.h, and deprecate the
500 corresponding functions in libavcodec:
501 avcodec_get_channel_name()
502 avcodec_get_channel_layout()
503 avcodec_get_channel_layout_string()
504 avcodec_channel_layout_num_channels()
505 and the CH_* macros defined in libavcodec/avcodec.h.
507 2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
508 Add av_append_packet().
510 2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
511 Add av_grow_packet().
513 2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
514 Add av_parse_color() declared in libavcore/parseutils.h.
516 2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
517 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
520 2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
521 Make avfiltergraph.h public.
523 2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
524 Remove declarations from avfiltergraph.h for the functions:
525 avfilter_graph_check_validity()
526 avfilter_graph_config_links()
527 avfilter_graph_config_formats()
528 which are now internal.
529 Use avfilter_graph_config() instead.
531 2010-11-08 - r25708 - lavu 50.33.0 - eval.h
533 av_parse_and_eval_expr(),
537 in favor of the functions:
538 av_expr_parse_and_eval(),
543 2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
544 Rename avfilter_destroy() to avfilter_free().
545 This change breaks libavfilter API/ABI.
547 2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
548 Remove graphparser.h header, move AVFilterInOut and
549 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
551 2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
552 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
553 This change breaks libavfilter API.
555 2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
556 Rename avfilter_graph_destroy() to avfilter_graph_free().
557 This change breaks libavfilter API/ABI.
559 2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
560 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
562 2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
563 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
564 deprecate av_get_bits_per_sample_format().
566 2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
567 Add sample format functions in libavcore/samplefmt.h:
568 av_get_sample_fmt_name(),
570 av_get_sample_fmt_string(),
571 and deprecate the corresponding libavcodec/audioconvert.h functions:
572 avcodec_get_sample_fmt_name(),
573 avcodec_get_sample_fmt(),
574 avcodec_sample_fmt_string().
576 2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
577 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
580 2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
581 Add the function avfilter_graph_config() in avfiltergraph.h.
583 2010-10-15 - r25493 - lavf 52.83.0 - metadata API
584 Change demuxers to export metadata in generic format and
585 muxers to accept generic format. Deprecate the public
588 2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
589 Add time_base field to AVFilterLink.
591 2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
592 Move av_set_options_string() from libavfilter/parseutils.h to
595 2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
596 Make the AVFilterLink fields srcpad and dstpad store the pointers to
597 the source and destination pads, rather than their indexes.
599 2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
600 Move av_get_token() from libavfilter/parseutils.h to
601 libavutil/avstring.h.
603 2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
604 Add the functions sws_alloc_context() and sws_init_context().
606 2010-09-26 - r25210 - lavu 50.29.0 - opt.h
607 Move libavcodec/opt.h to libavutil/opt.h.
609 2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
610 Default of av_log() changed due to many problems to the old no repeat
611 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
612 enabling it for your app!.
614 2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
615 Deprecate av_opt_show() in favor or av_opt_show2().
617 2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
618 Add av_popcount() to libavutil/common.h.
620 2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
621 Add av_get_cpu_flags().
623 2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
626 2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
627 Add av_image_copy_plane().
629 2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
630 Adopt hierarchical scheme for the imgutils.h function names,
631 deprecate the old names.
633 2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
634 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
635 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
637 2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
638 Add avcodec_get_channel_layout() in audioconvert.h.
640 2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
641 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
643 2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
644 Add av_fill_image_max_pixstep() in imgutils.h.
646 2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
649 2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
650 Implement AVFilterBufferRefAudioProps struct for audio properties,
651 get_audio_buffer(), filter_samples() functions and related changes.
653 2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
654 Add av_get_image_linesize() in imgutils.h.
656 2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
657 Resize data and linesize arrays in AVFilterBufferRef to 8.
659 This change breaks libavfilter API/ABI.
661 2010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
662 Add av_picture_data_copy in avcodec.h.
664 2010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
665 Change avfilter_open() signature:
666 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
667 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
669 This change breaks libavfilter API/ABI.
671 2010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
672 Add a type field to AVFilterBufferRef, and move video specific
673 properties to AVFilterBufferRefVideoProps.
675 This change breaks libavfilter API/ABI.
677 2010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
678 Rename AVFilterLink fields:
679 AVFilterLink.srcpic -> AVFilterLink.src_buf
680 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
681 AVFilterLink.outpic -> AVFilterLink.out_buf
683 2010-08-07 - r24731 - lavfi 1.30.0
684 Rename functions and fields:
685 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
686 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
687 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
689 2010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
690 Rename AVFilterPicRef to AVFilterBufferRef.
692 2010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
693 Move format field from AVFilterBuffer to AVFilterPicRef.
695 2010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
696 Deprecate avcodec_check_dimensions() in favor of the function
697 av_check_image_size() defined in libavcore/imgutils.h.
699 2010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
700 Increase size of the arrays AVFilterBuffer.data and
701 AVFilterBuffer.linesize from 4 to 8.
703 This change breaks libavfilter ABI.
705 2010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
706 Add functions av_fill_image_linesizes() and
707 av_fill_image_pointers(), declared in libavcore/imgutils.h.
709 2010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
710 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
711 defined in libavcodec in favor of the newly added functions
712 av_parse_video_size() and av_parse_video_rate() declared in
713 libavcore/parseutils.h.
715 2010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
716 Add the M_PHI constant definition.
718 2010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
719 Add a type field to AVFilterLink.
721 Change the field types:
722 enum PixelFormat format -> int format in AVFilterBuffer
723 enum PixelFormat *formats -> int *formats in AVFilterFormats
724 enum PixelFormat *format -> int format in AVFilterLink
726 Change the function signatures:
727 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
728 AVFilterFormats *avfilter_make_format_list(const int *fmts);
730 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
731 int avfilter_add_format (AVFilterFormats **avff, int fmt);
733 AVFilterFormats *avfilter_all_colorspaces(void); ->
734 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
736 This change breaks libavfilter API/ABI.
738 2010-07-21 - r24393 - lavcore 0.0.0
741 2010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
742 Remove w and h fields from AVFilterBuffer.
744 2010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
745 Rename AVFilterPic to AVFilterBuffer.
747 2010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
748 Make url_fskip() return an int error code instead of void.
750 2010-07-11 - r24199 - lavc 52.83.0
751 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
753 Deprecate AVCodecContext.use_lpc.
755 2010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
756 Add a function for free the contents of a AVSubtitle generated by
757 avcodec_decode_subtitle.
759 2010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
760 Make the bswap.h and intreadwrite.h API public.
762 2010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
763 Rename read/write_line() to av_read/write_image_line().
765 2010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
766 Add avfilter_copy_picref_props().
768 2010-07-03 - r24021 - lavc 52.79.0
769 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
770 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
772 2010-07-02 - r23985 - lavu 50.20.0 - lfg.h
773 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
776 2010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
777 Extend av_parse_color() syntax, make it accept an alpha value specifier and
778 set the alpha value to 255 by default.
780 2010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
781 Add priv_data_size and priv_data_class to URLProtocol.
783 2010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
784 Add url_alloc() and url_connect().
786 2010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
787 Add av_register_protocol2(), deprecating av_register_protocol().
789 2010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
790 Add av_compare_mod() to libavutil/mathematics.h.
792 2010-06-05 - r23485 - lavu 50.18.0 - eval API
793 Make the eval API public.
795 2010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
796 Add AV_BASE64_SIZE() macro.
798 2010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
799 Add av_get_codec_tag_string().
801 2010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
802 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
804 2010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
805 Add CODEC_CAP_EXPERIMENTAL flag.
806 NOTE: this was backported to 0.6
808 2010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
809 Add av_get_random_seed().
811 2010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
812 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
813 NOTE: this was backported to 0.6
815 2010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
816 Add interlaced and top_field_first fields to AVFilterPicRef.
818 ------------------------------8<-------------------------------------
819 0.6 branch was cut here
820 ----------------------------->8--------------------------------------
822 2010-05-01 - r23002 - lavf 52.62.0 - probe function
823 Add av_probe_input_format2 to API, it allows ignoring probe
824 results below given score and returns the actual probe score.
826 2010-04-01 - r22806 - lavf 52.61.0 - metadata API
827 Add a flag for av_metadata_set2() to disable overwriting of
830 2010-04-01 - r22753 - lavc 52.66.0
831 Add avcodec_get_edge_width().
833 2010-03-31 - r22750 - lavc 52.65.0
834 Add avcodec_copy_context().
836 2010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
837 Make av_match_ext() public.
839 2010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
840 Move AVMediaType enum from libavcodec to libavutil.
842 2010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
843 Define AVMediaType enum, and use it instead of enum CodecType, which
844 is deprecated and will be dropped at the next major bump.
846 2010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
847 Implement av_strerror().
849 2010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
850 Support DCT-I and DST-I.
852 2010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
853 Add AVFormatContext.start_time_realtime field.
855 2010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
856 Add AVFilterPicRef.pos field.
858 2010-03-13 - r22501 - lavu 50.12.0 - error.h
859 Move error code definitions from libavcodec/avcodec.h to
860 the new public header libavutil/error.h.
862 2010-03-07 - r22291 - lavc 52.56.0 - avfft.h
863 Add public FFT interface.
865 2010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
868 2010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
869 Add av_tree_enumerate().
871 2010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
874 2010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
875 Add sws_getCoefficients().
877 2010-02-01 - r21587 - lavf 52.50.0 - metadata API
878 Add a list of generic tag names, change 'author' -> 'artist',
881 2010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
882 Add av_get_pix_fmt().
884 2010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
885 Change constness attributes of sws_scale() parameters.
887 2010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
888 Add a log_ctx parameter to avfilter_graph_config_links().
890 2010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
891 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
893 2010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
894 Change the avfilter_add_colorspace() signature, make it accept an
895 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
897 2010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
898 Add avfilter_add_colorspace().
900 2010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
901 Add av_match_ext(), it should be used in place of match_ext().
903 2010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
904 Add av_guess_format(), it should be used in place of guess_format().
906 2009-12-13 - r20834 - lavf 52.43.0 - metadata API
907 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
908 AV_METADATA_DONT_STRDUP_VAL.
910 2009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
913 2009-12-13 - r20826 - lavc 52.42.0 - AVStream
916 2009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
917 Introduce the av_bmg_next() function.
919 2009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
920 Add a slice_dir parameter to avfilter_draw_slice().
922 2009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
923 Remove the next field from AVFilter, this is not anymore required.
925 2009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
926 Introduce the avfilter_next() function.
928 2009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
929 Change the signature of avfilter_register() to make it return an
930 int. This is required since now the registration operation may fail.
932 2009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
933 Make the pixdesc.h API public.
935 2009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
936 Add a next field to AVFilter, this is used for simplifying the
937 registration and management of the registered filters.
939 2009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
940 Add a description field to AVFilter.
942 2009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
943 Change the interface of avfilter_make_format_list() from
944 avfilter_make_format_list(int n, ...) to
945 avfilter_make_format_list(enum PixelFormat *pix_fmts).
947 2009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
948 Make avfilter_get_video_buffer() recursive and add the w and h
951 2009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
952 Add w and h fields to AVFilterPic.
954 2009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
955 This is now an unsigned int instead of a signed int.
957 2009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
958 Add a pts field to AVSubtitle which gives the subtitle packet pts
959 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
960 not work right without this.
962 2009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
963 PKT_FLAG_KEY has been deprecated and will be dropped at the next
964 major version. Use AV_PKT_FLAG_KEY instead.
966 2009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
967 av_lockmgr_register() can be used to register a callback function
968 that lavc (and in the future, libraries that depend on lavc) can use
969 to implement mutexes. The application should provide a callback function
970 that implements the AV_LOCK_* operations described in avcodec.h.
971 When the lock manager is registered, FFmpeg is guaranteed to behave
972 correctly in a multi-threaded application.
974 2009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
975 av_free_packet() is no longer an inline function. It is now exported.
977 2009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
978 Please use NULL instead. This has been supported since r16506
979 (lavf > 52.23.1, lavc > 52.10.0).
981 2009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
982 The old decoding functions are deprecated, all new code should use the
983 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
984 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
985 argument instead of a const uint8_t *buf / int buf_size pair.
987 2009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
988 Introduce the av_fifo_space() function.
990 2009-04-02 - r18317 - lavc 52.23.0 - AVPacket
991 Move AVPacket declaration from libavformat/avformat.h to
992 libavcodec/avcodec.h.
994 2009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
995 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
996 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
997 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
998 PIX_FMT_BGR32_1 are now macros.
999 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
1000 Re-sort the enum PixelFormat list accordingly.
1001 This change breaks API/ABI backward compatibility.
1003 2009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
1004 Add the enum PixelFormat values:
1005 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
1006 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
1008 2009-03-21 - r18116 - lavu 50.0.0 - av_random*
1009 The Mersenne Twister PRNG implemented through the av_random* functions
1010 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
1013 2009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
1014 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
1015 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
1016 and av_fifo_realloc2.
1017 In addition, the order of the function arguments of av_fifo_generic_read
1018 was changed to match av_fifo_generic_write.
1019 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
1020 applications, they may not use sizeof() or directly access members.
1022 2009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
1023 Introduce a new metadata API (see av_metadata_get() and friends).
1024 The old API is now deprecated and should not be used anymore. This especially
1025 includes the following structure fields:
1026 - AVFormatContext.title
1027 - AVFormatContext.author
1028 - AVFormatContext.copyright
1029 - AVFormatContext.comment
1030 - AVFormatContext.album
1031 - AVFormatContext.year
1032 - AVFormatContext.track
1033 - AVFormatContext.genre
1036 - AVProgram.provider_name