Add APIchanges entry for the libavcore/imgutils.h addition.
[libav.git] / doc / APIchanges
CommitLineData
06d19718
RD
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
RD
8libavformat: ?
9libpostproc: ?
10libswscale: ?
11libavutil: 2009-03-08
12
13
14API changes, most recent first:
15
3dec10cd
SS
162010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
17 Add functions av_fill_image_linesizes() and
18 av_fill_image_pointers(), declared in libavcore/imgutils.h.
19
fa8ead00
SS
202010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
21 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
22 defined in libavcodec in favor of the newly added functions
23 av_parse_video_size() and av_parse_video_rate() declared in
24 libavcore/parseutils.h.
25
c257c752
SS
262010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
27 Add the M_PHI constant definition.
28
73642926
SS
292010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
30 Add a type field to AVFilterLink.
31
32 Change the field types:
33 enum PixelFormat format -> int format in AVFilterBuffer
34 enum PixelFormat *formats -> int *formats in AVFilterFormats
35 enum PixelFormat *format -> int format in AVFilterLink
36
37 Change the function signatures:
38 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
39 AVFilterFormats *avfilter_make_format_list(const int *fmts);
40
41 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
42 int avfilter_add_format (AVFilterFormats **avff, int fmt);
43
44 AVFilterFormats *avfilter_all_colorspaces(void); ->
45 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
46
47 This change breaks libavfilter API/ABI.
48
a33e0365
SS
492010-07-21 - r24393 - lavcore 0.0.0
50 Add libavcore.
51
8e9d9308
SS
522010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
53 Remove w and h fields from AVFilterBuffer.
54
9840147d
SS
552010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
56 Rename AVFilterPic to AVFilterBuffer.
57
57fe80fe
MS
582010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
59 Make url_fskip() return an int error code instead of void.
60
37497979 612010-07-11 - r24199 - lavc 52.83.0
6f5ac9c1 62 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
23940f14
JR
63 Add AVLPCType enum.
64 Deprecate AVCodecContext.use_lpc.
65
e1d7c883
RD
662010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
67 Add a function for free the contents of a AVSubtitle generated by
68 avcodec_decode_subtitle.
69
617d56ca
SS
702010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
71 Make the bswap.h and intreadwrite.h API public.
72
52706b95
SS
732010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
74 Rename read/write_line() to av_read/write_image_line().
75
762010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
16400da6 77 Add avfilter_copy_picref_props().
52706b95 78
34171e87 792010-07-03 - r24021 - lavc 52.79.0
16400da6
SS
80 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
81 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
34171e87 82
13088d27
RP
832010-07-02 - r23985 - lavu 50.20.0 - lfg.h
84 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
85 lfg.h.
86
6951515c
SS
872010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
88 Extend av_parse_color() syntax, make it accept an alpha value specifier and
89 set the alpha value to 255 by default.
90
58cc11c7 912010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
16400da6 92 Add priv_data_size and priv_data_class to URLProtocol.
58cc11c7 93
4636f115 942010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
16400da6 95 Add url_alloc() and url_connect().
4636f115 96
16400da6
SS
972010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
98 Add av_register_protocol2(), deprecating av_register_protocol().
6c4cbc8d 99
276b45af
SS
1002010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
101 Add av_compare_mod() to libavutil/mathematics.h.
102
4cd5100c
SS
1032010-06-05 - r23485 - lavu 50.18.0 - eval API
104 Make the eval API public.
105
6532c6f9
SS
1062010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
107 Add AV_BASE64_SIZE() macro.
108
16400da6 1092010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
2a00992f
SS
110 Add av_get_codec_tag_string().
111
7f464a0a 1122010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
16400da6 113 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
7f464a0a 114
fe9c2007
SS
1152010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
116 Add CODEC_CAP_EXPERIMENTAL flag.
117
16400da6
SS
1182010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
119 Add av_get_random_seed().
cca68a54 120
b724102a 1212010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
16400da6 122 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
b724102a 123
fc25c049
SS
1242010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
125 Add interlaced and top_field_first fields to AVFilterPicRef.
126
d0eb2b78
RD
1272010-05-01 - r23002 - lavf 52.62.0 - probe function
128 Add av_probe_input_format2 to API, it allows ignoring probe
129 results below given score and returns the actual probe score.
130
2100348c 1312010-04-01 - r22806 - lavf 52.61.0 - metadata API
3dd6180f
AK
132 Add a flag for av_metadata_set2() to disable overwriting of
133 existing tags.
134
0fb49b59 1352010-04-01 - r22753 - lavc 52.66.0
16400da6 136 Add avcodec_get_edge_width().
0fb49b59 137
c846a984
RB
1382010-03-31 - r22750 - lavc 52.65.0
139 Add avcodec_copy_context().
140
e33f1fa0
SS
1412010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
142 Make av_match_ext() public.
143
fc8b1075
SS
1442010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
145 Move AVMediaType enum from libavcodec to libavutil.
146
1472010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
148 Define AVMediaType enum, and use it instead of enum CodecType, which
149 is deprecated and will be dropped at the next major bump.
150
82ba847e
SS
1512010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
152 Implement av_strerror().
153
69087742 1542010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
16400da6 155 Support DCT-I and DST-I.
e1484ebe 156
a5b3d34b
MS
1572010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
158 Add AVFormatContext.start_time_realtime field.
159
8955a324
SS
1602010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
161 Add AVFilterPicRef.pos field.
162
99de2b59
SS
1632010-03-13 - r22501 - lavu 50.12.0 - error.h
164 Move error code definitions from libavcodec/avcodec.h to
165 the new public header libavutil/error.h.
166
c7094831
MR
1672010-03-07 - r22291 - lavc 52.56.0 - avfft.h
168 Add public FFT interface.
169
c18fb631
SS
1702010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
171 Add av_stristr().
172
4b83fc0f
VS
1732010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
174 Add av_tree_enumerate().
175
fbef7a76
SS
1762010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
177 Add av_compare_ts().
178
e49407ee
SS
1792010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
180 Add sws_getCoefficients().
181
ca76a119
AK
1822010-02-01 - r21587 - lavf 52.50.0 - metadata API
183 Add a list of generic tag names, change 'author' -> 'artist',
184 'year' -> 'date'.
185
14ace37e
SS
1862010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
187 Add av_get_pix_fmt().
188
16400da6 1892010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
e49407ee
SS
190 Change constness attributes of sws_scale() parameters.
191
2d187e23
SS
1922010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
193 Add a log_ctx parameter to avfilter_graph_config_links().
194
16400da6 1952010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
1c790092 196 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
715cff9a 197
1e289b09
SS
1982010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
199 Change the avfilter_add_colorspace() signature, make it accept an
200 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
201
a2b16627
SS
2022010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
203 Add avfilter_add_colorspace().
204
79c2f2d3
SS
2052010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
206 Add av_match_ext(), it should be used in place of match_ext().
207
bb1a8793
SS
2082010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
209 Add av_guess_format(), it should be used in place of guess_format().
210
b8f11ec8 2112009-12-13 - r20834 - lavf 52.43.0 - metadata API
16400da6
SS
212 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
213 AV_METADATA_DONT_STRDUP_VAL.
b8f11ec8 214
60a92a77 2152009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
f69d394f 216 Add av_d2str().
60a92a77 217
c3d15329 2182009-12-13 - r20826 - lavc 52.42.0 - AVStream
f69d394f 219 Add avg_frame_rate.
c3d15329 220
54c24216
SS
2212009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
222 Introduce the av_bmg_next() function.
223
11f6d098
SS
2242009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
225 Add a slice_dir parameter to avfilter_draw_slice().
226
7cab9a66
SS
2272009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
228 Remove the next field from AVFilter, this is not anymore required.
229
b5a683eb
SS
2302009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
231 Introduce the avfilter_next() function.
232
73e2247d
SS
2332009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
234 Change the signature of avfilter_register() to make it return an
235 int. This is required since now the registration operation may fail.
236
d0df2fcc
SS
2372009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
238 Make the pixdesc.h API public.
239
290d4a44
SS
2402009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
241 Add a next field to AVFilter, this is used for simplifying the
242 registration and management of the registered filters.
243
54116673
SS
2442009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
245 Add a description field to AVFilter.
01537e9f 246
027e85d8
SS
2472009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
248 Change the interface of avfilter_make_format_list() from
249 avfilter_make_format_list(int n, ...) to
250 avfilter_make_format_list(enum PixelFormat *pix_fmts).
251
c3b27a3d
SS
2522009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
253 Make avfilter_get_video_buffer() recursive and add the w and h
254 parameters to it.
255
04670366 2562009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
227d1b98 257 Add w and h fields to AVFilterPic.
04670366 258
b394438e
RB
2592009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
260 This is now an unsigned int instead of a signed int.
261
4bbe788a 2622009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
227d1b98
DB
263 Add a pts field to AVSubtitle which gives the subtitle packet pts
264 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
4bbe788a
RD
265 not work right without this.
266
8f3f2e06 2672009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
227d1b98 268 PKT_FLAG_KEY has been deprecated and will be dropped at the next
8f3f2e06
RD
269 major version. Use AV_PKT_FLAG_KEY instead.
270
f988ce6c
2712009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
272 av_lockmgr_register() can be used to register a callback function
273 that lavc (and in the future, libraries that depend on lavc) can use
274 to implement mutexes. The application should provide a callback function
227d1b98
DB
275 that implements the AV_LOCK_* operations described in avcodec.h.
276 When the lock manager is registered, FFmpeg is guaranteed to behave
277 correctly in a multi-threaded application.
f988ce6c 278
16400da6 2792009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
52bcc8e1
RP
280 av_free_packet() is no longer an inline function. It is now exported.
281
16400da6 2822009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
0c13bbf5
RD
283 Please use NULL instead. This has been supported since r16506
284 (lavf > 52.23.1, lavc > 52.10.0).
285
2851d225
RB
2862009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
287 The old decoding functions are deprecated, all new code should use the
288 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
289 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
290 argument instead of a const uint8_t *buf / int buf_size pair.
291
16400da6 2922009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
b1516707
SS
293 Introduce the av_fifo_space() function.
294
dd3bbb49
SS
2952009-04-02 - r18317 - lavc 52.23.0 - AVPacket
296 Move AVPacket declaration from libavformat/avformat.h to
297 libavcodec/avcodec.h.
298
5a43bbc3 2992009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
227d1b98
DB
300 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
301 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
302 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
303 PIX_FMT_BGR32_1 are now macros.
304 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
f3370e14 305 Re-sort the enum PixelFormat list accordingly.
5a43bbc3
SS
306 This change breaks API/ABI backward compatibility.
307
dd3bbb49
SS
3082009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
309 Add the enum PixelFormat values:
310 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
311 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
312
b4656e6b 3132009-03-21 - r18116 - lavu 50.0.0 - av_random*
c8f742ca
DB
314 The Mersenne Twister PRNG implemented through the av_random* functions
315 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
316 instead.
317
889cdae8
DB
3182009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
319 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
320 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
321 and av_fifo_realloc2.
322 In addition, the order of the function arguments of av_fifo_generic_read
227d1b98 323 was changed to match av_fifo_generic_write.
889cdae8
DB
324 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
325 applications, they may not use sizeof() or directly access members.
22d4f236 326
889cdae8
DB
3272009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
328 Introduce a new metadata API (see av_metadata_get() and friends).
329 The old API is now deprecated and should not be used anymore. This especially
429d6b21 330 includes the following structure fields:
38ce707e
AJ
331 - AVFormatContext.title
332 - AVFormatContext.author
333 - AVFormatContext.copyright
334 - AVFormatContext.comment
335 - AVFormatContext.album
336 - AVFormatContext.year
337 - AVFormatContext.track
338 - AVFormatContext.genre
339 - AVStream.language
340 - AVStream.filename
341 - AVProgram.provider_name
342 - AVProgram.name
343 - AVChapter.title