Rename avfilter_destroy() as avfilter_free().
[libav.git] / doc / APIchanges
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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: ?
a33e0365 5libavcore: 2010-07-21
06d19718 6libavdevice: ?
c3b27a3d 7libavfilter: 2009-10-18
06d19718
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8libavformat: ?
9libpostproc: ?
10libswscale: ?
11libavutil: 2009-03-08
12
13
14API changes, most recent first:
15
24de0edb
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162010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
17 Rename avfilter_destroy() to avfilter_free().
18 This change breaks libavfilter API/ABI.
19
1e80a0ea
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202010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
21 Remove graphparser.h header, move AVFilterInOut and
22 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
23
3fd3eea7 242010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
da6ec07c
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25 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
26 This change breaks libavfilter API.
27
146b6555 282010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
97dd1e4a
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29 Rename avfilter_graph_destroy() to avfilter_graph_free().
30 This change breaks libavfilter API/ABI.
31
146b6555 322010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
e15aeea6
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33 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
34
6f84cd12
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352010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
36 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
37 deprecate av_get_bits_per_sample_format().
38
d63e456a
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392010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
40 Add sample format functions in libavcore/samplefmt.h:
41 av_get_sample_fmt_name(),
42 av_get_sample_fmt(),
43 av_get_sample_fmt_string(),
44 and deprecate the corresponding libavcodec/audioconvert.h functions:
45 avcodec_get_sample_fmt_name(),
46 avcodec_get_sample_fmt(),
47 avcodec_sample_fmt_string().
48
262d1c5d
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492010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
50 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
51 SampleFormat.
52
2a24df93
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532010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
54 Add the function avfilter_graph_config() in avfiltergraph.h.
55
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562010-10-15 - r25493 - lavf 52.83.0 - metadata API
57 Change demuxers to export metadata in generic format and
58 muxers to accept generic format. Deprecate the public
59 conversion API.
60
77611295
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612010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
62 Add time_base field to AVFilterLink.
63
c6625ad5
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642010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
65 Move av_set_options_string() from libavfilter/parseutils.h to
66 libavutil/opt.h.
67
4ecf1539
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682010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
69 Make the AVFilterLink fields srcpad and dstpad store the pointers to
70 the source and destination pads, rather than their indexes.
71
b3dd5e59
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722010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
73 Move av_get_token() from libavfilter/parseutils.h to
74 libavutil/avstring.h.
75
c5812793
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762010-09-26 - r32368 - lsws 0.12.0 - swscale.h
77 Add the functions sws_alloc_context() and sws_init_context().
78
41f87daa
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792010-09-26 - r25210 - lavu 50.29.0 - opt.h
80 Move libavcodec/opt.h to libavutil/opt.h.
81
1c1c80f0
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822010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
83 Default of av_log() changed due to many problems to the old no repeat
84 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
85 enabling it for your app!.
86
07cac2a0
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872010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
88 Deprecate av_opt_show() in favor or av_opt_show2().
89
902010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
91 Add av_popcount() to libavutil/common.h.
92
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932010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
94 Add av_get_cpu_flags().
95
16bacad4
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962010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
97 Add av_image_copy().
98
992010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
100 Add av_image_copy_plane().
101
1904035b
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1022010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
103 Adopt hierarchical scheme for the imgutils.h function names,
104 deprecate the old names.
105
47806f41
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1062010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
107 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
108 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
109
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1102010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
111 Add avcodec_get_channel_layout() in audioconvert.h.
112
26553088
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1132010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
114 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
115
33d2e7b3
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1162010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
117 Add av_fill_image_max_pixstep() in imgutils.h.
118
7f38d28c
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1192010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
120 Add the AV_NE macro.
121
3f52a907
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1222010-08-17 - r24811 - lavfi 1.36.0 - audio framework
123 Implement AVFilterBufferRefAudioProps struct for audio properties,
124 get_audio_buffer(), filter_samples() functions and related changes.
125
d1a04371
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1262010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
127 Add av_get_image_linesize() in imgutils.h.
128
5bf840c4
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1292010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
130 Resize data and linesize arrays in AVFilterBufferRef to 8.
131
132 This change breaks libavfilter API/ABI.
133
c6a34954
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1342010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
135 Add av_picture_data_copy in avcodec.h.
136
c7c7feaa
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1372010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
138 Change avfilter_open() signature:
139 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
140 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
141
142 This change breaks libavfilter API/ABI.
143
ad0d70c9
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1442010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
145 Add a type field to AVFilterBufferRef, and move video specific
146 properties to AVFilterBufferRefVideoProps.
147
4bf2d6e8 148 This change breaks libavfilter API/ABI.
ad0d70c9 149
711d14cf
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1502010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
151 Rename AVFilterLink fields:
152 AVFilterLink.srcpic -> AVFilterLink.src_buf
153 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
154 AVFilterLink.outpic -> AVFilterLink.out_buf
155
1562010-08-07 - r24731 - lavfi 1.30.0
157 Rename functions and fields:
158 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
159 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
160 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
161
1622010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
163 Rename AVFilterPicRef to AVFilterBufferRef.
164
e11b104a
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1652010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
166 Move format field from AVFilterBuffer to AVFilterPicRef.
167
71cb41db
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1682010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
169 Deprecate avcodec_check_dimensions() in favor of the function
170 av_check_image_size() defined in libavcore/imgutils.h.
171
92dd4959
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1722010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
173 Increase size of the arrays AVFilterBuffer.data and
174 AVFilterBuffer.linesize from 4 to 8.
175
176 This change breaks libavfilter ABI.
177
3dec10cd
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1782010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
179 Add functions av_fill_image_linesizes() and
180 av_fill_image_pointers(), declared in libavcore/imgutils.h.
181
fa8ead00
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1822010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
183 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
184 defined in libavcodec in favor of the newly added functions
185 av_parse_video_size() and av_parse_video_rate() declared in
186 libavcore/parseutils.h.
187
c257c752
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1882010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
189 Add the M_PHI constant definition.
190
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1912010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
192 Add a type field to AVFilterLink.
193
194 Change the field types:
195 enum PixelFormat format -> int format in AVFilterBuffer
196 enum PixelFormat *formats -> int *formats in AVFilterFormats
197 enum PixelFormat *format -> int format in AVFilterLink
198
199 Change the function signatures:
200 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
201 AVFilterFormats *avfilter_make_format_list(const int *fmts);
202
203 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
204 int avfilter_add_format (AVFilterFormats **avff, int fmt);
205
206 AVFilterFormats *avfilter_all_colorspaces(void); ->
207 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
208
209 This change breaks libavfilter API/ABI.
210
a33e0365
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2112010-07-21 - r24393 - lavcore 0.0.0
212 Add libavcore.
213
8e9d9308
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2142010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
215 Remove w and h fields from AVFilterBuffer.
216
9840147d
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2172010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
218 Rename AVFilterPic to AVFilterBuffer.
219
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2202010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
221 Make url_fskip() return an int error code instead of void.
222
37497979 2232010-07-11 - r24199 - lavc 52.83.0
6f5ac9c1 224 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
23940f14
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225 Add AVLPCType enum.
226 Deprecate AVCodecContext.use_lpc.
227
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2282010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
229 Add a function for free the contents of a AVSubtitle generated by
230 avcodec_decode_subtitle.
231
617d56ca
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2322010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
233 Make the bswap.h and intreadwrite.h API public.
234
52706b95
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2352010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
236 Rename read/write_line() to av_read/write_image_line().
237
2382010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
16400da6 239 Add avfilter_copy_picref_props().
52706b95 240
34171e87 2412010-07-03 - r24021 - lavc 52.79.0
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242 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
243 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
34171e87 244
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2452010-07-02 - r23985 - lavu 50.20.0 - lfg.h
246 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
247 lfg.h.
248
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2492010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
250 Extend av_parse_color() syntax, make it accept an alpha value specifier and
251 set the alpha value to 255 by default.
252
58cc11c7 2532010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
16400da6 254 Add priv_data_size and priv_data_class to URLProtocol.
58cc11c7 255
4636f115 2562010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
16400da6 257 Add url_alloc() and url_connect().
4636f115 258
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2592010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
260 Add av_register_protocol2(), deprecating av_register_protocol().
6c4cbc8d 261
276b45af
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2622010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
263 Add av_compare_mod() to libavutil/mathematics.h.
264
4cd5100c
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2652010-06-05 - r23485 - lavu 50.18.0 - eval API
266 Make the eval API public.
267
6532c6f9
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2682010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
269 Add AV_BASE64_SIZE() macro.
270
16400da6 2712010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
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272 Add av_get_codec_tag_string().
273
7f464a0a 2742010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
16400da6 275 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
7f464a0a 276
fe9c2007
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2772010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
278 Add CODEC_CAP_EXPERIMENTAL flag.
279
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2802010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
281 Add av_get_random_seed().
cca68a54 282
b724102a 2832010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
16400da6 284 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
b724102a 285
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2862010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
287 Add interlaced and top_field_first fields to AVFilterPicRef.
288
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2892010-05-01 - r23002 - lavf 52.62.0 - probe function
290 Add av_probe_input_format2 to API, it allows ignoring probe
291 results below given score and returns the actual probe score.
292
2100348c 2932010-04-01 - r22806 - lavf 52.61.0 - metadata API
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294 Add a flag for av_metadata_set2() to disable overwriting of
295 existing tags.
296
0fb49b59 2972010-04-01 - r22753 - lavc 52.66.0
16400da6 298 Add avcodec_get_edge_width().
0fb49b59 299
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3002010-03-31 - r22750 - lavc 52.65.0
301 Add avcodec_copy_context().
302
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3032010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
304 Make av_match_ext() public.
305
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3062010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
307 Move AVMediaType enum from libavcodec to libavutil.
308
3092010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
310 Define AVMediaType enum, and use it instead of enum CodecType, which
311 is deprecated and will be dropped at the next major bump.
312
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3132010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
314 Implement av_strerror().
315
69087742 3162010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
16400da6 317 Support DCT-I and DST-I.
e1484ebe 318
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3192010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
320 Add AVFormatContext.start_time_realtime field.
321
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3222010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
323 Add AVFilterPicRef.pos field.
324
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3252010-03-13 - r22501 - lavu 50.12.0 - error.h
326 Move error code definitions from libavcodec/avcodec.h to
327 the new public header libavutil/error.h.
328
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3292010-03-07 - r22291 - lavc 52.56.0 - avfft.h
330 Add public FFT interface.
331
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3322010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
333 Add av_stristr().
334
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3352010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
336 Add av_tree_enumerate().
337
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3382010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
339 Add av_compare_ts().
340
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3412010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
342 Add sws_getCoefficients().
343
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3442010-02-01 - r21587 - lavf 52.50.0 - metadata API
345 Add a list of generic tag names, change 'author' -> 'artist',
346 'year' -> 'date'.
347
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3482010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
349 Add av_get_pix_fmt().
350
16400da6 3512010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
e49407ee
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352 Change constness attributes of sws_scale() parameters.
353
2d187e23
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3542010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
355 Add a log_ctx parameter to avfilter_graph_config_links().
356
16400da6 3572010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
1c790092 358 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
715cff9a 359
1e289b09
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3602010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
361 Change the avfilter_add_colorspace() signature, make it accept an
362 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
363
a2b16627
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3642010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
365 Add avfilter_add_colorspace().
366
79c2f2d3
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3672010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
368 Add av_match_ext(), it should be used in place of match_ext().
369
bb1a8793
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3702010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
371 Add av_guess_format(), it should be used in place of guess_format().
372
b8f11ec8 3732009-12-13 - r20834 - lavf 52.43.0 - metadata API
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374 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
375 AV_METADATA_DONT_STRDUP_VAL.
b8f11ec8 376
60a92a77 3772009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
f69d394f 378 Add av_d2str().
60a92a77 379
c3d15329 3802009-12-13 - r20826 - lavc 52.42.0 - AVStream
f69d394f 381 Add avg_frame_rate.
c3d15329 382
54c24216
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3832009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
384 Introduce the av_bmg_next() function.
385
11f6d098
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3862009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
387 Add a slice_dir parameter to avfilter_draw_slice().
388
7cab9a66
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3892009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
390 Remove the next field from AVFilter, this is not anymore required.
391
b5a683eb
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3922009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
393 Introduce the avfilter_next() function.
394
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3952009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
396 Change the signature of avfilter_register() to make it return an
397 int. This is required since now the registration operation may fail.
398
d0df2fcc
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3992009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
400 Make the pixdesc.h API public.
401
290d4a44
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4022009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
403 Add a next field to AVFilter, this is used for simplifying the
404 registration and management of the registered filters.
405
54116673
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4062009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
407 Add a description field to AVFilter.
01537e9f 408
027e85d8
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4092009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
410 Change the interface of avfilter_make_format_list() from
411 avfilter_make_format_list(int n, ...) to
412 avfilter_make_format_list(enum PixelFormat *pix_fmts).
413
c3b27a3d
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4142009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
415 Make avfilter_get_video_buffer() recursive and add the w and h
416 parameters to it.
417
04670366 4182009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
227d1b98 419 Add w and h fields to AVFilterPic.
04670366 420
b394438e
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4212009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
422 This is now an unsigned int instead of a signed int.
423
4bbe788a 4242009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
227d1b98
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425 Add a pts field to AVSubtitle which gives the subtitle packet pts
426 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
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427 not work right without this.
428
8f3f2e06 4292009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
227d1b98 430 PKT_FLAG_KEY has been deprecated and will be dropped at the next
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431 major version. Use AV_PKT_FLAG_KEY instead.
432
f988ce6c
4332009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
434 av_lockmgr_register() can be used to register a callback function
435 that lavc (and in the future, libraries that depend on lavc) can use
436 to implement mutexes. The application should provide a callback function
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DB
437 that implements the AV_LOCK_* operations described in avcodec.h.
438 When the lock manager is registered, FFmpeg is guaranteed to behave
439 correctly in a multi-threaded application.
f988ce6c 440
16400da6 4412009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
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442 av_free_packet() is no longer an inline function. It is now exported.
443
16400da6 4442009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
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445 Please use NULL instead. This has been supported since r16506
446 (lavf > 52.23.1, lavc > 52.10.0).
447
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4482009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
449 The old decoding functions are deprecated, all new code should use the
450 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
451 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
452 argument instead of a const uint8_t *buf / int buf_size pair.
453
16400da6 4542009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
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455 Introduce the av_fifo_space() function.
456
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4572009-04-02 - r18317 - lavc 52.23.0 - AVPacket
458 Move AVPacket declaration from libavformat/avformat.h to
459 libavcodec/avcodec.h.
460
5a43bbc3 4612009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
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462 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
463 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
464 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
465 PIX_FMT_BGR32_1 are now macros.
466 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
f3370e14 467 Re-sort the enum PixelFormat list accordingly.
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468 This change breaks API/ABI backward compatibility.
469
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4702009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
471 Add the enum PixelFormat values:
472 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
473 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
474
b4656e6b 4752009-03-21 - r18116 - lavu 50.0.0 - av_random*
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476 The Mersenne Twister PRNG implemented through the av_random* functions
477 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
478 instead.
479
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4802009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
481 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
482 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
483 and av_fifo_realloc2.
484 In addition, the order of the function arguments of av_fifo_generic_read
227d1b98 485 was changed to match av_fifo_generic_write.
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486 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
487 applications, they may not use sizeof() or directly access members.
22d4f236 488
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4892009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
490 Introduce a new metadata API (see av_metadata_get() and friends).
491 The old API is now deprecated and should not be used anymore. This especially
429d6b21 492 includes the following structure fields:
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493 - AVFormatContext.title
494 - AVFormatContext.author
495 - AVFormatContext.copyright
496 - AVFormatContext.comment
497 - AVFormatContext.album
498 - AVFormatContext.year
499 - AVFormatContext.track
500 - AVFormatContext.genre
501 - AVStream.language
502 - AVStream.filename
503 - AVProgram.provider_name
504 - AVProgram.name
505 - AVChapter.title