avio: simplify url_open_dyn_buf_internal by using avio_alloc_context()
[libav.git] / doc / APIchanges
CommitLineData
06d19718
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1Never assume the API of libav* to be stable unless at least 1 week has passed since
2the last major version increase.
3The last version increases were:
4libavcodec: ?
5libavdevice: ?
c3b27a3d 6libavfilter: 2009-10-18
06d19718
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7libavformat: ?
8libpostproc: ?
9libswscale: ?
10libavutil: 2009-03-08
11
12
13API changes, most recent first:
ab79ee12 14
0b18b49b
JR
152011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
16 Add audio_service_type field to AVCodecContext.
17
dc6fdad5
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182011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
19 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
20 source stream timebase for outputting timestamps. Deprecate
21 av_pkt_dump and av_pkt_dump_log.
22
d2bbf82e
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232011-02-20 - e731b8d - lavf 52.102.0 - avio.h
24 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
25 original, and move it to a private header so it is no longer
26 part of our public API. Instead, use av_alloc_put_byte().
27 * ae628ec - rename ByteIOContext to AVIOContext.
28
c3dbfa1a 292011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
09d171b9 30 lavu 52.39.0 - parseutils.h
c3dbfa1a
JG
31 * 610219a - Add av_ prefix to dump_format().
32 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
33 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
09d171b9 34
737eb597
RT
352011-02-15 - lavu 52.38.0 - merge libavcore
36 libavcore is merged back completely into libavutil
37
8ed4cc65
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382011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
39 Add vbv_delay field to AVCodecContext
40
935ee1b9
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412011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
42 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
43
08a459f0
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442011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
45 Add sample_aspect_ratio field to AVFilterLink.
46
77c330a0
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472011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
48 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
49
f2146944 502011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
c0b102ca
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51 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
52 set thread_count before calling avcodec_open.
53
8e8cc52b 542011-02-09 - 778b08a - lavc 52.111.0 - threading API
37b00b47
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55 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
56 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
57 Add thread_type and active_thread_type fields to AVCodecContext.
58
c2bd7578 592011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
3940caad
AH
60 Add av_probe_input_buffer() to avformat.h for probing format from a
61 ByteIOContext.
62
ae0f8a1a 632011-02-06 - fe174fc - lavf 52.97.0 - avio.h
fe174fc8
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64 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
65
ff197489
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662011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
67 Add avformat_free_context() in avformat.h.
68
75fd0668
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692011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
70 Add CODEC_ID_PRORES to avcodec.h.
71
7ab8758b
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722011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
73 Add defines for H.264 * Constrained Baseline and Intra profiles
74
4868bebe
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752011-02-02 - lavf 52.95.0
76 * 50196a9 - add a new installed header version.h.
77 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
78 avio_{put,get}_str* functions. Deprecate corresponding semi-public
79 {put,get}_str*.
80
812011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
82 Make av_dlog public.
83
a242ac36
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842011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
85 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
86
f93fe776
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872011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
88 Add av_metadata_copy() in avformat.h.
89
81c623fa
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902011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
91 Deprecate reordered_opaque in favor of pkt_pts/dts.
92
1919feaf
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932011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
94 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
95 to not mess up dts.
96
393cbb96
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972011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
98 Add pkt_pts to AVFrame.
99
3a45a3f3 1002011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
060ec0a8
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101 Add av_get_profile_name to libavcodec/avcodec.h.
102
28e5d45c
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1032010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
104 Add AV_PERM_NEG_LINESIZES in avfilter.h.
105
d46c2755 1062010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
9128ae08
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107 Add av_find_best_stream to libavformat/avformat.h.
108
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1092010-12-27 - r26103 - lavf 52.90.0
110 Add AVFMT_NOSTREAMS flag for formats with no streams,
111 like e.g. text metadata.
112
106f271f 1132010-12-22 - r26073 - lavu 50.36.0 - file.h
0328b9ea
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114 Add functions av_file_map() and av_file_unmap() in file.h.
115
106f271f 1162010-12-19 - r26056 - lavu 50.35.0 - error.h
0bc55f5d
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117 Add "not found" error codes:
118 AVERROR_DEMUXER_NOT_FOUND
119 AVERROR_MUXER_NOT_FOUND
120 AVERROR_DECODER_NOT_FOUND
121 AVERROR_ENCODER_NOT_FOUND
122 AVERROR_PROTOCOL_NOT_FOUND
123 AVERROR_FILTER_NOT_FOUND
124 AVERROR_BSF_NOT_FOUND
125 AVERROR_STREAM_NOT_FOUND
126
c61cdd0a
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1272010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
128 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
129 avcodec.h to avcore.h.
130
16cfc961
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1312010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
132 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
133
bb4afa13
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1342010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
135 Deprecate avcodec_pix_fmt_string() in favor of
136 pixdesc.h/av_get_pix_fmt_string().
137
d22e9795 1382010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
4da12e3b
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139 Add av_image_alloc() to libavcore/imgutils.h.
140
037be76e
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1412010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
142 Add function avfilter_graph_create_filter() in avfiltergraph.h.
143
d6adf44b 1442010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
d38c340f
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145 Add function avfilter_get_video_buffer_ref_from_arrays() in
146 avfilter.h.
06d19718 147
176a6157
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1482010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
149 Add a public audio channel API in audioconvert.h, and deprecate the
150 corresponding functions in libavcodec:
151 avcodec_get_channel_name()
152 avcodec_get_channel_layout()
153 avcodec_get_channel_layout_string()
154 avcodec_channel_layout_num_channels()
155 and the CH_* macros defined in libavcodec/avcodec.h.
156
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1572010-11-21 - r25777 - lavf 52.85.0 - avformat.h
158 Add av_append_packet().
159
1602010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
161 Add av_grow_packet().
162
0985e1a3
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1632010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
164 Add av_parse_color() declared in libavcore/parseutils.h.
165
c716f917
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1662010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
167 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
168 fields.
169
47c5e414 1702010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
5aaea022
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171 Make avfiltergraph.h public.
172
4fcbb2af
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1732010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
174 Remove declarations from avfiltergraph.h for the functions:
175 avfilter_graph_check_validity()
176 avfilter_graph_config_links()
177 avfilter_graph_config_formats()
178 which are now internal.
179 Use avfilter_graph_config() instead.
180
d2af7205
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1812010-11-08 - r25708 - lavu 50.33.0 - eval.h
182 Deprecate functions:
183 av_parse_and_eval_expr(),
184 av_parse_expr(),
185 av_eval_expr(),
186 av_free_expr(),
187 in favor of the functions:
188 av_expr_parse_and_eval(),
189 av_expr_parse(),
190 av_expr_eval(),
191 av_expr_free().
192
24de0edb
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1932010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
194 Rename avfilter_destroy() to avfilter_free().
195 This change breaks libavfilter API/ABI.
196
1e80a0ea
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1972010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
198 Remove graphparser.h header, move AVFilterInOut and
199 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
200
3fd3eea7 2012010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
da6ec07c
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202 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
203 This change breaks libavfilter API.
204
146b6555 2052010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
97dd1e4a
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206 Rename avfilter_graph_destroy() to avfilter_graph_free().
207 This change breaks libavfilter API/ABI.
208
146b6555 2092010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
e15aeea6
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210 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
211
6f84cd12
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2122010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
213 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
214 deprecate av_get_bits_per_sample_format().
215
d63e456a
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2162010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
217 Add sample format functions in libavcore/samplefmt.h:
218 av_get_sample_fmt_name(),
219 av_get_sample_fmt(),
220 av_get_sample_fmt_string(),
221 and deprecate the corresponding libavcodec/audioconvert.h functions:
222 avcodec_get_sample_fmt_name(),
223 avcodec_get_sample_fmt(),
224 avcodec_sample_fmt_string().
225
262d1c5d
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2262010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
227 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
228 SampleFormat.
229
2a24df93
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2302010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
231 Add the function avfilter_graph_config() in avfiltergraph.h.
232
03700d39
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2332010-10-15 - r25493 - lavf 52.83.0 - metadata API
234 Change demuxers to export metadata in generic format and
235 muxers to accept generic format. Deprecate the public
236 conversion API.
237
77611295
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2382010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
239 Add time_base field to AVFilterLink.
240
c6625ad5
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2412010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
242 Move av_set_options_string() from libavfilter/parseutils.h to
243 libavutil/opt.h.
244
4ecf1539
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2452010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
246 Make the AVFilterLink fields srcpad and dstpad store the pointers to
247 the source and destination pads, rather than their indexes.
248
b3dd5e59
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2492010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
250 Move av_get_token() from libavfilter/parseutils.h to
251 libavutil/avstring.h.
252
c5812793
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2532010-09-26 - r32368 - lsws 0.12.0 - swscale.h
254 Add the functions sws_alloc_context() and sws_init_context().
255
41f87daa
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2562010-09-26 - r25210 - lavu 50.29.0 - opt.h
257 Move libavcodec/opt.h to libavutil/opt.h.
258
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2592010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
260 Default of av_log() changed due to many problems to the old no repeat
261 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
262 enabling it for your app!.
263
07cac2a0
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2642010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
265 Deprecate av_opt_show() in favor or av_opt_show2().
266
2672010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
268 Add av_popcount() to libavutil/common.h.
269
15cae5e6
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2702010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
271 Add av_get_cpu_flags().
272
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2732010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
274 Add av_image_copy().
275
2762010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
277 Add av_image_copy_plane().
278
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2792010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
280 Adopt hierarchical scheme for the imgutils.h function names,
281 deprecate the old names.
282
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2832010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
284 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
285 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
286
798dc641
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2872010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
288 Add avcodec_get_channel_layout() in audioconvert.h.
289
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2902010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
291 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
292
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2932010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
294 Add av_fill_image_max_pixstep() in imgutils.h.
295
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2962010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
297 Add the AV_NE macro.
298
3f52a907
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2992010-08-17 - r24811 - lavfi 1.36.0 - audio framework
300 Implement AVFilterBufferRefAudioProps struct for audio properties,
301 get_audio_buffer(), filter_samples() functions and related changes.
302
d1a04371
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3032010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
304 Add av_get_image_linesize() in imgutils.h.
305
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3062010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
307 Resize data and linesize arrays in AVFilterBufferRef to 8.
308
309 This change breaks libavfilter API/ABI.
310
c6a34954
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3112010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
312 Add av_picture_data_copy in avcodec.h.
313
c7c7feaa
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3142010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
315 Change avfilter_open() signature:
316 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
317 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
318
319 This change breaks libavfilter API/ABI.
320
ad0d70c9
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3212010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
322 Add a type field to AVFilterBufferRef, and move video specific
323 properties to AVFilterBufferRefVideoProps.
324
4bf2d6e8 325 This change breaks libavfilter API/ABI.
ad0d70c9 326
711d14cf
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3272010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
328 Rename AVFilterLink fields:
329 AVFilterLink.srcpic -> AVFilterLink.src_buf
330 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
331 AVFilterLink.outpic -> AVFilterLink.out_buf
332
3332010-08-07 - r24731 - lavfi 1.30.0
334 Rename functions and fields:
335 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
336 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
337 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
338
3392010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
340 Rename AVFilterPicRef to AVFilterBufferRef.
341
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3422010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
343 Move format field from AVFilterBuffer to AVFilterPicRef.
344
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3452010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
346 Deprecate avcodec_check_dimensions() in favor of the function
347 av_check_image_size() defined in libavcore/imgutils.h.
348
92dd4959
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3492010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
350 Increase size of the arrays AVFilterBuffer.data and
351 AVFilterBuffer.linesize from 4 to 8.
352
353 This change breaks libavfilter ABI.
354
3dec10cd
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3552010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
356 Add functions av_fill_image_linesizes() and
357 av_fill_image_pointers(), declared in libavcore/imgutils.h.
358
fa8ead00
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3592010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
360 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
361 defined in libavcodec in favor of the newly added functions
362 av_parse_video_size() and av_parse_video_rate() declared in
363 libavcore/parseutils.h.
364
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3652010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
366 Add the M_PHI constant definition.
367
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3682010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
369 Add a type field to AVFilterLink.
370
371 Change the field types:
372 enum PixelFormat format -> int format in AVFilterBuffer
373 enum PixelFormat *formats -> int *formats in AVFilterFormats
374 enum PixelFormat *format -> int format in AVFilterLink
375
376 Change the function signatures:
377 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
378 AVFilterFormats *avfilter_make_format_list(const int *fmts);
379
380 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
381 int avfilter_add_format (AVFilterFormats **avff, int fmt);
382
383 AVFilterFormats *avfilter_all_colorspaces(void); ->
384 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
385
386 This change breaks libavfilter API/ABI.
387
a33e0365
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3882010-07-21 - r24393 - lavcore 0.0.0
389 Add libavcore.
390
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3912010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
392 Remove w and h fields from AVFilterBuffer.
393
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3942010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
395 Rename AVFilterPic to AVFilterBuffer.
396
57fe80fe
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3972010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
398 Make url_fskip() return an int error code instead of void.
399
37497979 4002010-07-11 - r24199 - lavc 52.83.0
6f5ac9c1 401 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
23940f14
JR
402 Add AVLPCType enum.
403 Deprecate AVCodecContext.use_lpc.
404
e1d7c883
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4052010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
406 Add a function for free the contents of a AVSubtitle generated by
407 avcodec_decode_subtitle.
408
617d56ca
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4092010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
410 Make the bswap.h and intreadwrite.h API public.
411
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4122010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
413 Rename read/write_line() to av_read/write_image_line().
414
4152010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
16400da6 416 Add avfilter_copy_picref_props().
52706b95 417
34171e87 4182010-07-03 - r24021 - lavc 52.79.0
16400da6
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419 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
420 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
34171e87 421
13088d27
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4222010-07-02 - r23985 - lavu 50.20.0 - lfg.h
423 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
424 lfg.h.
425
6951515c
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4262010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
427 Extend av_parse_color() syntax, make it accept an alpha value specifier and
428 set the alpha value to 255 by default.
429
58cc11c7 4302010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
16400da6 431 Add priv_data_size and priv_data_class to URLProtocol.
58cc11c7 432
4636f115 4332010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
16400da6 434 Add url_alloc() and url_connect().
4636f115 435
16400da6
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4362010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
437 Add av_register_protocol2(), deprecating av_register_protocol().
6c4cbc8d 438
276b45af
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4392010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
440 Add av_compare_mod() to libavutil/mathematics.h.
441
4cd5100c
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4422010-06-05 - r23485 - lavu 50.18.0 - eval API
443 Make the eval API public.
444
6532c6f9
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4452010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
446 Add AV_BASE64_SIZE() macro.
447
16400da6 4482010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
2a00992f
SS
449 Add av_get_codec_tag_string().
450
7f464a0a 4512010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
16400da6 452 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
7f464a0a 453
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4542010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
455 Add CODEC_CAP_EXPERIMENTAL flag.
95c851e2 456 NOTE: this was backported to 0.6
fe9c2007 457
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4582010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
459 Add av_get_random_seed().
cca68a54 460
b724102a 4612010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
16400da6 462 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
95c851e2 463 NOTE: this was backported to 0.6
b724102a 464
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4652010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
466 Add interlaced and top_field_first fields to AVFilterPicRef.
467
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468------------------------------8<-------------------------------------
469 0.6 branch was cut here
470----------------------------->8--------------------------------------
471
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4722010-05-01 - r23002 - lavf 52.62.0 - probe function
473 Add av_probe_input_format2 to API, it allows ignoring probe
474 results below given score and returns the actual probe score.
475
2100348c 4762010-04-01 - r22806 - lavf 52.61.0 - metadata API
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477 Add a flag for av_metadata_set2() to disable overwriting of
478 existing tags.
479
0fb49b59 4802010-04-01 - r22753 - lavc 52.66.0
16400da6 481 Add avcodec_get_edge_width().
0fb49b59 482
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4832010-03-31 - r22750 - lavc 52.65.0
484 Add avcodec_copy_context().
485
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4862010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
487 Make av_match_ext() public.
488
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4892010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
490 Move AVMediaType enum from libavcodec to libavutil.
491
4922010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
493 Define AVMediaType enum, and use it instead of enum CodecType, which
494 is deprecated and will be dropped at the next major bump.
495
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4962010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
497 Implement av_strerror().
498
69087742 4992010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
16400da6 500 Support DCT-I and DST-I.
e1484ebe 501
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5022010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
503 Add AVFormatContext.start_time_realtime field.
504
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5052010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
506 Add AVFilterPicRef.pos field.
507
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5082010-03-13 - r22501 - lavu 50.12.0 - error.h
509 Move error code definitions from libavcodec/avcodec.h to
510 the new public header libavutil/error.h.
511
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5122010-03-07 - r22291 - lavc 52.56.0 - avfft.h
513 Add public FFT interface.
514
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5152010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
516 Add av_stristr().
517
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5182010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
519 Add av_tree_enumerate().
520
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5212010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
522 Add av_compare_ts().
523
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5242010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
525 Add sws_getCoefficients().
526
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5272010-02-01 - r21587 - lavf 52.50.0 - metadata API
528 Add a list of generic tag names, change 'author' -> 'artist',
529 'year' -> 'date'.
530
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5312010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
532 Add av_get_pix_fmt().
533
16400da6 5342010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
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535 Change constness attributes of sws_scale() parameters.
536
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5372010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
538 Add a log_ctx parameter to avfilter_graph_config_links().
539
16400da6 5402010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
1c790092 541 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
715cff9a 542
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5432010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
544 Change the avfilter_add_colorspace() signature, make it accept an
545 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
546
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5472010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
548 Add avfilter_add_colorspace().
549
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5502010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
551 Add av_match_ext(), it should be used in place of match_ext().
552
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5532010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
554 Add av_guess_format(), it should be used in place of guess_format().
555
b8f11ec8 5562009-12-13 - r20834 - lavf 52.43.0 - metadata API
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557 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
558 AV_METADATA_DONT_STRDUP_VAL.
b8f11ec8 559
60a92a77 5602009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
f69d394f 561 Add av_d2str().
60a92a77 562
c3d15329 5632009-12-13 - r20826 - lavc 52.42.0 - AVStream
f69d394f 564 Add avg_frame_rate.
c3d15329 565
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5662009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
567 Introduce the av_bmg_next() function.
568
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5692009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
570 Add a slice_dir parameter to avfilter_draw_slice().
571
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5722009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
573 Remove the next field from AVFilter, this is not anymore required.
574
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5752009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
576 Introduce the avfilter_next() function.
577
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5782009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
579 Change the signature of avfilter_register() to make it return an
580 int. This is required since now the registration operation may fail.
581
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5822009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
583 Make the pixdesc.h API public.
584
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5852009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
586 Add a next field to AVFilter, this is used for simplifying the
587 registration and management of the registered filters.
588
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5892009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
590 Add a description field to AVFilter.
01537e9f 591
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5922009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
593 Change the interface of avfilter_make_format_list() from
594 avfilter_make_format_list(int n, ...) to
595 avfilter_make_format_list(enum PixelFormat *pix_fmts).
596
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5972009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
598 Make avfilter_get_video_buffer() recursive and add the w and h
599 parameters to it.
600
04670366 6012009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
227d1b98 602 Add w and h fields to AVFilterPic.
04670366 603
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6042009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
605 This is now an unsigned int instead of a signed int.
606
4bbe788a 6072009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
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608 Add a pts field to AVSubtitle which gives the subtitle packet pts
609 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
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610 not work right without this.
611
8f3f2e06 6122009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
227d1b98 613 PKT_FLAG_KEY has been deprecated and will be dropped at the next
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614 major version. Use AV_PKT_FLAG_KEY instead.
615
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6162009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
617 av_lockmgr_register() can be used to register a callback function
618 that lavc (and in the future, libraries that depend on lavc) can use
619 to implement mutexes. The application should provide a callback function
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620 that implements the AV_LOCK_* operations described in avcodec.h.
621 When the lock manager is registered, FFmpeg is guaranteed to behave
622 correctly in a multi-threaded application.
f988ce6c 623
16400da6 6242009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
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625 av_free_packet() is no longer an inline function. It is now exported.
626
16400da6 6272009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
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628 Please use NULL instead. This has been supported since r16506
629 (lavf > 52.23.1, lavc > 52.10.0).
630
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6312009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
632 The old decoding functions are deprecated, all new code should use the
633 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
634 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
635 argument instead of a const uint8_t *buf / int buf_size pair.
636
16400da6 6372009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
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638 Introduce the av_fifo_space() function.
639
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6402009-04-02 - r18317 - lavc 52.23.0 - AVPacket
641 Move AVPacket declaration from libavformat/avformat.h to
642 libavcodec/avcodec.h.
643
5a43bbc3 6442009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
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645 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
646 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
647 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
648 PIX_FMT_BGR32_1 are now macros.
649 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
f3370e14 650 Re-sort the enum PixelFormat list accordingly.
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651 This change breaks API/ABI backward compatibility.
652
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6532009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
654 Add the enum PixelFormat values:
655 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
656 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
657
b4656e6b 6582009-03-21 - r18116 - lavu 50.0.0 - av_random*
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659 The Mersenne Twister PRNG implemented through the av_random* functions
660 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
661 instead.
662
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6632009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
664 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
665 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
666 and av_fifo_realloc2.
667 In addition, the order of the function arguments of av_fifo_generic_read
227d1b98 668 was changed to match av_fifo_generic_write.
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669 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
670 applications, they may not use sizeof() or directly access members.
22d4f236 671
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6722009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
673 Introduce a new metadata API (see av_metadata_get() and friends).
674 The old API is now deprecated and should not be used anymore. This especially
429d6b21 675 includes the following structure fields:
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676 - AVFormatContext.title
677 - AVFormatContext.author
678 - AVFormatContext.copyright
679 - AVFormatContext.comment
680 - AVFormatContext.album
681 - AVFormatContext.year
682 - AVFormatContext.track
683 - AVFormatContext.genre
684 - AVStream.language
685 - AVStream.filename
686 - AVProgram.provider_name
687 - AVProgram.name
688 - AVChapter.title