AVOptions: add flags for read/read-only options
[libav.git] / doc / APIchanges
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1Never assume the API of libav* to be stable unless at least 1 month has passed
2since the last major version increase.
3
06d19718 4The last version increases were:
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5libavcodec: 2013-03-xx
6libavdevice: 2013-03-xx
6d3ea195 7libavfilter: 2013-12-xx
d8b31be6 8libavformat: 2013-03-xx
9cac8a51 9libavresample: 2012-10-05
c8af852b 10libswscale: 2011-06-20
3bc2e89c 11libavutil: 2013-12-xx
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12
13
14API changes, most recent first:
ab79ee12 15
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162014-xx-xx - xxxxxxx - lavu 53.04.0 - opt.h
17 Add AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)
18 for reading.
19
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202014-xx-xx - xxxxxxx - lavu 53.03.01 - opt.h
21 Deprecate unused AV_OPT_FLAG_METADATA.
22
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232014-02-xx - xxxxxxx - lavu 53.3.0 - frame.h
24 Add AV_FRAME_DATA_DOWNMIX_INFO value to the AVFrameSideDataType enum and
25 downmix_info.h API, which identify downmix-related metadata.
26
d711d839 272014-02-04 - d9ae103 - lavf 55.11.0 - avformat.h
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28 Add AVFormatContext.max_interleave_delta for controlling amount of buffering
29 when interleaving.
30
d711d839 312014-01-20 - 93c553c - lavc 55.32.1 - avcodec.h
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32 Edges are not required anymore on video buffers allocated by get_buffer2()
33 (i.e. as if the CODEC_FLAG_EMU_EDGE flag was always on). Deprecate
34 CODEC_FLAG_EMU_EDGE and avcodec_get_edge_width().
35
d711d839 362014-01-05 - 5b4797a - lavu 53.2.0 - frame.h
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37 Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which
38 identifies AVMatrixEncoding data.
39
d711d839 402014-01-05 - 5c437fb - lavu 53.1.0 - channel_layout.h
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41 Add values for various Dolby flags to the AVMatrixEncoding enum.
42
d711d839 432013-12-20 - 2a41826 - lavc 55.30.0 - avcodec.h
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44 Add HEVC profiles
45
d711d839 462013-12-11 - b9fb59d,9431356,d7b3ee9 - lavc 55.28.1 - avcodec.h
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47 av_frame_alloc(), av_frame_unref() and av_frame_free() now can and should be
48 used instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() and
49 avcodec_free_frame() respectively. The latter three functions are deprecated.
50
d711d839 512013-12-09 - 7e244c6- - lavu 52.20.0 - frame.h
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52 Add AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum and
53 stereo3d.h API, that identify codec-independent stereo3d information.
54
d711d839 552013-11-26 - 1eaac1d- - lavu 52.19.0 - frame.h
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56 Add AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, which
57 identifies ATSC A53 Part 4 Closed Captions data.
58
d711d839 592013-11-14 - cce3e0a - lavu 52.18.0 - mem.h
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60 Move av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.
61
d711d839 622013-11-14 - 8941971 - lavc 55.27.0 - avcodec.h
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63 Deprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'
64 private option of the mpegvideo encoder family.
65
d711d839 662013-11-14 - 728c465 - lavc 55.26.0 - vdpau.h
ca22d1de 67 Add av_vdpau_get_profile().
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68 Add av_vdpau_alloc_context(). This function must from now on be
69 used for allocating AVVDPAUContext.
ca22d1de 70
d711d839 712013-11-04 - cd8f772 - lavc 55.25.0 - avcodec.h
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72 Add ITU-R BT.2020 and other not yet included values to color primaries,
73 transfer characteristics and colorspaces.
74
d711d839 752013-10-31 - 28096e0 - lavu 52.17.0 - avframe.h
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76 Add AVFrame.flags and AV_FRAME_FLAG_CORRUPT.
77
d711d839 782013-09-28 - 0767bfd - lavfi 3.11.0 - avfilter.h
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79 Add AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threading
80 implementations.
81
d711d839 822013-09-21 - e208e6d - lavu 52.16.0 - pixfmt.h
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83 Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and
84 AV_PIX_FMT_NV20.
85
c38854c3 862013-09-16 - 3feb3d6 - lavu 52.15.0 - mem.h
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87 Add av_reallocp.
88
c38854c3 892013-08-10 - 5a9a9d4 - lavc 55.16.0 - avcodec.h
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90 Extend AVPacket API with av_packet_unref, av_packet_ref,
91 av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.
92
c38854c3 932013-08-05 - f824535 - lavc 55.13.0 - avcodec.h
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94 Deprecate the bitstream-related members from struct AVVDPAUContext.
95 The bistream buffers no longer need to be explicitly freed.
96
c38854c3 972013-08-05 - 549294f - lavc 55.12.0 - avcodec.h
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98 Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL
99 and select the AV_PIX_FMT_VDPAU format with get_format() instead.
100
c38854c3 1012013-08-05 - a0ad5d0 - lavu 52.14.0 - pixfmt.h
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102 Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.
103
c38854c3 1042013-08-02 - a8b1927 - lavc 55.11.0 - avcodec.h
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105 Add output_picture_number to AVCodecParserContext.
106
c38854c3 1072013-06-24 - 95d5246 - lavc 55.10.0 - avcodec.h
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108 Add MPEG-2 AAC profiles
109
c38854c3 1102013-06-04 - fc962d4 - lavu 52.13.0 - mem.h
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111 Add av_realloc_array and av_reallocp_array
112
c38854c3 1132013-05-24 - 129bb23 - lavfi 3.10.0 - avfilter.h
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114 Add support for slice multithreading to lavfi. Filters supporting threading
115 are marked with AVFILTER_FLAG_SLICE_THREADS.
116 New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and
117 AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be
118 used to configure multithreading.
119
c38854c3 1202013-05-24 - 2a6eaea - lavu 52.12.0 - cpu.h
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121 Add av_cpu_count() function for getting the number of logical CPUs.
122
c38854c3 1232013-05-24 - b493847 - lavc 55.7.0 - avcodec.h
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124 Add picture_structure to AVCodecParserContext.
125
c38854c3 1262013-05-15 - e6c4ac7 - lavu 52.11.0 - pixdesc.h
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127 Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.
128
c38854c3 1292013-04-03 - 507b1e4 - lavc 55.4.0 - avcodec.h
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130 Add field_order to AVCodecParserContext.
131
c38854c3 1322013-04-19 - 5e83d9a - lavc 55.2.0 - avcodec.h
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133 Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.
134
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1352013-04-11 - lavfi 3.8.0
136 38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate
137 avfilterhraph.h, user applications should include just avfilter.h
138 bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
139 avfilter_graph_add_filter().
140 1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
141 filter.
142 48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().
143 1ba95a9 - Add avfilter_init_dict().
144 7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.
145 7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.
146 fa2a34c - Add avfilter_next(), deprecate av_filter_next().
147 Deprecate avfilter_uninit().
148
1492013-04-09 - lavfi 3.7.0 - avfilter.h
150 b439c99 - Add AVFilter.priv_class for exporting filter options through the
151 AVOptions API in the similar way private options work in lavc and lavf.
152 8114c10 - Add avfilter_get_class().
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153 Switch all filters to use AVOptions.
154
35386fbf 1552013-03-19 - 2c328a9 - lavu 52.9.0 - pixdesc.h
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156 Add av_pix_fmt_count_planes() function for counting planes in a pixel format.
157
35386fbf 1582013-03-16 - 42c7c61 - lavfi 3.6.0
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159 Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
160
35386fbf 1612013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,
d8b31be6 162lavd 54.0.0, lavfi 3.5.0
35386fbf 163 8e401db, 1cec062 - add a new API for reference counted buffers and buffer
d8b31be6 164 pools (new header libavutil/buffer.h).
35386fbf 165 1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.
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166 Add av_packet_from_data() function for constructing packets from
167 av_malloc()ed data.
35386fbf 168 7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add
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169 AVFrame.buf/extended_buf to allow reference counting for the AVFrame
170 data. Add new API for working with reference-counted AVFrames.
35386fbf 171 759001c - add the refcounted_frames field to AVCodecContext to make audio and
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172 video decoders return reference-counted frames. Add get_buffer2()
173 callback to AVCodecContext which allocates reference-counted frames.
174 Add avcodec_default_get_buffer2() as the default get_buffer2()
175 implementation.
176 Deprecate AVCodecContext.get_buffer() / release_buffer() /
177 reget_buffer(), avcodec_default_get_buffer(),
178 avcodec_default_reget_buffer(), avcodec_default_release_buffer().
179 Remove avcodec_default_free_buffers(), which should not have ever
180 been called from outside of lavc.
181 Deprecate the following AVFrame fields:
182 * base -- is now stored in AVBufferRef
183 * reference, type, buffer_hints -- are unnecessary in the new API
184 * hwaccel_picture_private, owner, thread_opaque -- should not
185 have been acessed from outside of lavc
186 * qscale_table, qstride, qscale_type, mbskip_table, motion_val,
187 mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,
188 which are not exported anymore.
35386fbf 189 7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add
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190 av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().
191 Add av_buffersink_get_frame() and av_buffersink_get_samples(),
192 deprecate av_buffersink_read() and av_buffersink_read_samples().
193 Deprecate AVFilterBufferRef and all functions for working with it.
194
35386fbf 1952013-03-17 - 12c5c1d - lavu 52.8.0 - avstring.h
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196 Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.
197
35386fbf 1982013-02-23 - 9f12235 - lavfi 3.4.0 - avfiltergraph.h
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199 Add resample_lavr_opts to AVFilterGraph for setting libavresample options
200 for auto-inserted resample filters.
201
35386fbf 2022013-01-25 - 38c1466 - lavu 52.7.0 - dict.h
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203 Add av_dict_parse_string() to set multiple key/value pairs at once from a
204 string.
205
35386fbf 2062013-01-25 - b85a5e8 - lavu 52.6.0 - avstring.h
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207 Add av_strnstr()
208
35386fbf 2092013-01-15 - 8ee288d - lavu 52.5.0 - hmac.h
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210 Add AVHMAC.
211
35386fbf 2122013-01-13 - 44e065d - lavc 54.36.0 - vdpau.h
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213 Add AVVDPAUContext struct for VDPAU hardware-accelerated decoding.
214
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2152013-01-12 - 169fb94 - lavu 52.4.0 - pixdesc.h
216 Add AV_PIX_FMT_VDPAU flag.
217
142c3909 2182013-01-07 - 074a00d - lavr 1.1.0
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219 Add avresample_set_channel_mapping() for input channel reordering,
220 duplication, and silencing.
221
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222------------------------------8<-------------------------------------
223 9 branch was cut here
224----------------------------->8--------------------------------------
225
f89466ad 2262012-12-29 - d8fd06c - lavu 52.3.0 - avstring.h
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227 Add av_basename() and av_dirname().
228
142c3909 2292012-11-11 - 5980f5d - lavu 52.2.0 - audioconvert.h
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230 Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.
231
142c3909 2322012-11-05 - dfde8a3 - lavu 52.1.0 - intmath.h
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233 Add av_ctz() for trailing zero bit count
234
142c3909 2352012-10-21 - a893655 - lavu 51.45.0 - error.h
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236 Add AVERROR_EXPERIMENTAL
237
142c3909 2382012-10-12 - d2fcb35 - lavu 51.44.0 - pixdesc.h
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239 Add functions for accessing pixel format descriptors.
240 Accessing the av_pix_fmt_descriptors array directly is now
241 deprecated.
242
142c3909 2432012-10-11 - 9a92aea - lavu 51.43.0 - aes.h, md5.h, sha.h, tree.h
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244 Add functions for allocating the opaque contexts for the algorithms,
245 deprecate the context size variables.
246
142c3909 2472012-10-10 - b522000 - lavf 54.18.0 - avio.h
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248 Add avio_closep to complement avio_close.
249
142c3909 2502012-10-08 - 78071a1 - lavu 51.42.0 - pixfmt.h
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251 Rename PixelFormat to AVPixelFormat and all PIX_FMT_* to AV_PIX_FMT_*.
252 To provide backwards compatibility, PixelFormat is now #defined as
253 AVPixelFormat.
254 Note that this can break user code that includes pixfmt.h and uses the
255 'PixelFormat' identifier. Such code should either #undef PixelFormat
256 or stop using the PixelFormat name.
257
2f49e3da 2582012-10-05 - e7ba5b1 - lavr 1.0.0 - avresample.h
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259 Data planes parameters to avresample_convert() and
260 avresample_read() are now uint8_t** instead of void**.
261 Libavresample is now stable.
262
2f49e3da 2632012-09-24 - a42aada - lavc 54.28.0 - avcodec.h
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264 Add avcodec_free_frame(). This function must now
265 be used for freeing an AVFrame.
266
2f49e3da 2672012-09-12 - 8919fee - lavu 51.41.0 - audioconvert.h
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268 Added AV_CH_LOW_FREQUENCY_2 channel mask value.
269
2f49e3da 2702012-09-04 - 686a329 - lavu 51.40.0 - opt.h
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271 Reordered the fields in default_val in AVOption, changed which
272 default_val field is used for which AVOptionType.
273
2f49e3da 2742012-08-30 - a231832 - lavc 54.26.1 - avcodec.h
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275 Add codec descriptor properties AV_CODEC_PROP_LOSSY and
276 AV_CODEC_PROP_LOSSLESS.
277
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2782012-08-18 - lavc 54.26 - avcodec.h
279 Add codec descriptors for accessing codec properties without having
280 to refer to a specific decoder or encoder.
281
282 c223d79 - Add an AVCodecDescriptor struct and functions
283 avcodec_descriptor_get() and avcodec_descriptor_next().
284 51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.
285 91e59fe - Add avcodec_descriptor_get_by_name().
286
287
2882012-08-08 - 1d9c2dc - lavu 51.39 - avutil.h
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289 Don't implicitly include libavutil/common.h in avutil.h
290
7b44061f 2912012-08-08 - 987170c - lavu 51.38 - dict.h
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292 Add av_dict_count().
293
7b44061f 2942012-08-07 - 104e10f - lavc 54.25 - avcodec.h
104e10fb 295 Rename CodecID to AVCodecID and all CODEC_ID_* to AV_CODEC_ID_*.
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296 To provide backwards compatibility, CodecID is now #defined as AVCodecID.
297 Note that this can break user code that includes avcodec.h and uses the
298 'CodecID' identifier. Such code should either #undef CodecID or stop using the
299 CodecID name.
104e10fb 300
7b44061f 3012012-08-03 - 239fdf1 - lavu 51.37.1 - cpu.h
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302 lsws 2.1.1 - swscale.h
303 Rename AV_CPU_FLAG_MMX2 ---> AV_CPU_FLAG_MMXEXT.
304 Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.
305
7b44061f 3062012-07-29 - 681ed00 - lavf 54.13.0 - avformat.h
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307 Add AVFMT_FLAG_NOBUFFER for low latency use cases.
308
7b44061f 3092012-07-20 - b70d89a - lavfi 3.0.0 - avfilter.h
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310 Add avfilter_unref_bufferp().
311
45ff9e5b 3122012-07-10 - 5fade8a - lavu 51.37.0
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313 Add av_malloc_array() and av_mallocz_array()
314
45ff9e5b 3152012-06-22 - d3d3a32 - lavu 51.34.0
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316 Add av_usleep()
317
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3182012-06-20 - ae0a301 - lavu 51.33.0
319 Move av_gettime() to libavutil, add libavutil/time.h
320
45ff9e5b 3212012-06-09 - 3971be0 - lavr 0.0.3
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322 Add a parameter to avresample_build_matrix() for Dolby/DPLII downmixing.
323
45ff9e5b 3242012-06-12 - 9baeff9 - lavfi 2.23.0 - avfilter.h
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325 Add AVFilterContext.nb_inputs/outputs. Deprecate
326 AVFilterContext.input/output_count.
327
45ff9e5b 3282012-06-12 - 84b9fbe - lavfi 2.22.0 - avfilter.h
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329 Add avfilter_pad_get_type() and avfilter_pad_get_name(). Those
330 should now be used instead of accessing AVFilterPad members
331 directly.
332
45ff9e5b 3332012-06-12 - b0f0dfc - lavu 51.32.0 - audioconvert.h
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334 Add av_get_channel_layout_channel_index(), av_get_channel_name()
335 and av_channel_layout_extract_channel().
336
45ff9e5b 3372012-05-25 - 154486f - lavu 51.31.0 - opt.h
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338 Add av_opt_set_bin()
339
45ff9e5b 3402012-05-26 - e9cef89 - lavf 54.3.0
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341 Add AVFMT_TS_NONSTRICT format flag to indicate that a muxer supports
342 non-increasing monotone timestamps.
343
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3442012-05-15 - lavfi 2.17.0
345 Add support for audio filters
346 ac71230/a2cd9be - add video/audio buffer sink in a new installed
347 header buffersink.h
348 720c6b7 - add av_buffersrc_write_frame(), deprecate
349 av_vsrc_buffer_add_frame()
350 ab16504 - add avfilter_copy_buf_props()
351 9453c9e - add extended_data to AVFilterBuffer
352 1b8c927 - add avfilter_get_audio_buffer_ref_from_arrays()
353
3542012-05-09 - lavu 51.30.0 - samplefmt.h
355 142e740 - add av_samples_copy()
356 6d7f617 - add av_samples_set_silence()
357
3582012-05-09 - a5117a2 - lavc 54.13.1
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359 For audio formats with fixed frame size, the last frame
360 no longer needs to be padded with silence, libavcodec
361 will handle this internally (effectively all encoders
362 behave as if they had CODEC_CAP_SMALL_LAST_FRAME set).
363
d89eca50 3642012-05-07 - 828bd08 - lavc 54.13.0 - avcodec.h
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365 Add sample_rate and channel_layout fields to AVFrame.
366
d89eca50 3672012-05-01 - 4010d72 - lavr 0.0.1
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368 Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.
369
f7ff0999 3702012-04-25 - 3527a73 - lavu 51.29.0 - cpu.h
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371 Add av_parse_cpu_flags()
372
f7ff0999 3732012-04-24 - c8af852 - lavr 0.0.0
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374 Add libavresample audio conversion library
375
f7ff0999 3762012-04-20 - 0c0d1bc - lavu 51.28.0 - audio_fifo.h
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377 Add audio FIFO functions:
378 av_audio_fifo_free()
379 av_audio_fifo_alloc()
380 av_audio_fifo_realloc()
381 av_audio_fifo_write()
382 av_audio_fifo_read()
383 av_audio_fifo_drain()
384 av_audio_fifo_reset()
385 av_audio_fifo_size()
386 av_audio_fifo_space()
387
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3882012-04-14 - lavfi 2.16.0 - avfiltergraph.h
389 d7bcc71 Add avfilter_graph_parse2().
390 91d3cbe Add avfilter_inout_alloc() and avfilter_inout_free().
91d3cbe0 391
f7ff0999 3922012-04-08 - 4d693b0 - lavu 51.27.0 - samplefmt.h
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393 Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()
394
f7ff0999 3952012-04-05 - 5cc51a5 - lavu 51.26.0 - audioconvert.h
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396 Add av_get_default_channel_layout()
397
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3982012-03-20 - 3c90cc2 - lavfo 54.2.0
399 Deprecate av_read_packet(), use av_read_frame() with
400 AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags
401
5d20e7b7 4022012-03-06 - 4d851f8 - lavu 51.25.0 - cpu.h
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403 Add av_set_cpu_flags_mask().
404
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4052012-03-05 - lavc 54.8.0
406 6699d07 Add av_get_exact_bits_per_sample()
407 9524cf7 Add av_get_audio_frame_duration()
9524cf79 408
5d20e7b7 4092012-03-04 - 44fe77b - lavc 54.7.0 - avcodec.h
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410 Add av_codec_is_encoder/decoder().
411
5d20e7b7 4122012-03-01 - 442c132 - lavc 54.3.0 - avcodec.h
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413 Add av_packet_shrink_side_data.
414
5d20e7b7 4152012-02-29 - dd2a4bc - lavf 54.2.0 - avformat.h
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416 Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,
417 used for dealing with attached pictures/cover art.
418
f5f5b154 4192012-02-25 - c9bca80 - lavu 51.24.0 - error.h
c9bca801 420 Add AVERROR_UNKNOWN
75bdd55e 421 NOTE: this was backported to 0.8
c9bca801 422
f5f5b154 4232012-02-20 - e9cda85 - lavc 54.2.0
e9cda853
JR
424 Add duration field to AVCodecParserContext
425
f5f5b154 4262012-02-20 - 0b42a93 - lavu 51.23.1 - mathematics.h
0b42a938
JR
427 Add av_rescale_q_rnd()
428
f5f5b154 4292012-02-08 - 38d5533 - lavu 51.22.1 - pixdesc.h
38d55332
AK
430 Add PIX_FMT_PSEUDOPAL flag.
431
f5f5b154 4322012-02-08 - 52f82a1 - lavc 54.01.0
52f82a11
AK
433 Add avcodec_encode_video2() and deprecate avcodec_encode_video().
434
fcc518a0 4352012-02-01 - 316fc74 - lavc 54.01.0
316fc744
JG
436 Add av_fast_padded_malloc() as alternative for av_realloc() when aligned
437 memory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZE
438 zero-padded bytes at the end.
439
fcc518a0 4402012-01-31 - dd6d3b0 - lavf 54.01.0
dd6d3b0e 441 Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
75bdd55e 442 NOTE: this was backported to 0.8
dd6d3b0e 443
fcc518a0 4442012-01-31 - af08d9a - lavc 54.01.0
af08d9ae 445 Add avcodec_is_open() function.
75bdd55e 446 NOTE: this was backported to 0.8
af08d9ae 447
fcc518a0 4482012-01-30 - 8b93312 - lavu 51.22.0 - intfloat.h
8b933129
PM
449 Add a new installed header libavutil/intfloat.h with int/float punning
450 functions.
75bdd55e 451 NOTE: this was backported to 0.8
8b933129 452
6cb28829
MS
4532012-01-25 - lavf 53.22.0
454 f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible
455 buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for
456 muxers supporting it (av_write_frame makes sure it is called
457 only for muxers with this flag).
458
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459------------------------------8<-------------------------------------
460 0.8 branch was cut here
461----------------------------->8--------------------------------------
462
7512bb74 4632012-01-15 - lavc 53.34.0
a6ccae3f 464 New audio encoding API:
7512bb74 465 b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio
a6ccae3f 466 encoders.
7512bb74
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467 5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.
468 b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().
a6ccae3f
JR
469 Add AVCodec.encode2().
470
7512bb74 4712012-01-12 - 3167dc9 - lavfi 2.15.0
3167dc95
AK
472 Add a new installed header -- libavfilter/version.h -- with version macros.
473
c04a954d
JG
4742011-01-03 - b73ec05 - lavu 51.21.0
475 Add av_popcount64
476
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4772011-12-25 - lavfi 2.14.0
478 e1d9dbf Add a new installed header - buffersrc.h
479 It contains a new function av_buffersrc_buffer() that allows passing
480 frames to the 'buffer' filter, but unlike av_vsrc_buffer_add_frame()
481 it allows for direct rendering.
482 1c9e340 Add avfilter_copy_frame_props() for copying properties from
483 AVFrame to AVFilterBufferRef.
484
4852011-12-25 - lavc 53.31.0
486 Add the following new fields to AVFrame:
487 b58dbb5 sample_aspect_ratio
488 3a2ddf7 width, height
489 8a4a5f6 format
490
2a216ca2 4912011-12-18 - 8400b12 - lavc 53.28.1
8400b126
MR
492 Deprecate AVFrame.age. The field is unused.
493
c04a954d
JG
4942011-12-12 - 5266045 - lavf 53.17.0
495 Add avformat_close_input().
52660454
AK
496 Deprecate av_close_input_file() and av_close_input_stream().
497
c04a954d 4982011-12-02 - 0eea212 - lavc 53.25.0
0eea2129
JR
499 Add nb_samples and extended_data fields to AVFrame.
500 Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.
501 Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().
502 avcodec_decode_audio4() writes output samples to an AVFrame, which allows
503 audio decoders to use get_buffer().
504
c04a954d 5052011-12-04 - 560f773 - lavc 53.24.0
560f773c
JR
506 Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.
507 Change AVPicture.data[4]/linesize[4] to [8] at next major bump.
508 Change AVCodecContext.error[4] to [8] at next major bump.
509 Add AV_NUM_DATA_POINTERS to simplify the bump transition.
510
b94a3b28 5112011-11-23 - bbb46f3 - lavu 51.18.0
bbb46f3e
JR
512 Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
513 av_samples_alloc(), to samplefmt.h.
514
b94a3b28 5152011-11-23 - 8889cc4 - lavu 51.17.0
8889cc4f
JR
516 Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.
517
b94a3b28 5182011-11-19 - f3a29b7 - lavc 53.21.0
f3a29b75
JR
519 Move some AVCodecContext fields to a new private struct, AVCodecInternal,
520 which is accessed from a new field, AVCodecContext.internal.
521 - fields moved:
522 AVCodecContext.internal_buffer --> AVCodecInternal.buffer
523 AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count
524 AVCodecContext.is_copy --> AVCodecInternal.is_copy
525
b94a3b28
MR
5262011-11-16 - 6270671 - lavu 51.16.0
527 Add av_timegm()
528
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5292011-11-13 - lavf 53.15.0
530 New interrupt callback API, allowing per-AVFormatContext/AVIOContext
531 interrupt callbacks.
532 6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to
533 AVFormatContext.
534 1dee0ac Add avio_open2() with additional parameters. Those are
535 an interrupt callback and an options AVDictionary.
536 This will allow passing AVOptions to protocols after lavf
537 54.0.
538
eacec07e 5392011-11-06 - ba04ecf - lavu 51.14.0
ba04ecfd
RD
540 Add av_strcasecmp() and av_strncasecmp() to avstring.h.
541
eacec07e 5422011-11-06 - 07b172f - lavu 51.13.0
07b172fe
LB
543 Add av_toupper()/av_tolower()
544
eacec07e 5452011-11-05 - b6d08f4 - lavf 53.13.0
c9b309e8 546 Add avformat_network_init()/avformat_network_deinit()
b6d08f40 547
eacec07e 5482011-10-27 - 512557b - lavc 53.15.0
512557b2
JR
549 Remove avcodec_parse_frame.
550 Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.
551
eacec07e 5522011-10-19 - 569129a - lavf 53.10.0
569129a6
AK
553 Add avformat_new_stream(). Deprecate av_new_stream().
554
eacec07e 5552011-10-13 - b631fba - lavf 53.9.0
b631fba9
JR
556 Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.
557
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5582011-10-12 - lavu 51.12.0
559 AVOptions API rewrite.
560
561 - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*
562 - new setting/getting functions with slightly different semantics:
563 dac66da av_set_string3 -> av_opt_set
564 av_set_double -> av_opt_set_double
565 av_set_q -> av_opt_set_q
566 av_set_int -> av_opt_set_int
567
568 41d9d51 av_get_string -> av_opt_get
569 av_get_double -> av_opt_get_double
570 av_get_q -> av_opt_get_q
571 av_get_int -> av_opt_get_int
572
573 - 8c5dcaa trivial rename av_next_option -> av_opt_next
574 - 641c7af new functions - av_opt_child_next, av_opt_child_class_next
575 and av_opt_find2()
576
7f9b0ef9 5772011-09-03 - fb4ca26 - lavc 53.10.0
fb4ca26b
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578 lavf 53.6.0
579 lsws 2.1.0
580 Add {avcodec,avformat,sws}_get_class().
581
7f9b0ef9 5822011-09-03 - c11fb82 - lavu 51.10.0
c11fb828
AK
583 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
584
96d8e18a
JN
5852011-08-26 - lavu 51.9.0
586 - f2011ed Add av_fifo_peek2(), deprecate av_fifo_peek().
587 - add41de..abc78a5 Do not include intfloat_readwrite.h,
588 mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.
f2011ed2 589
7f9b0ef9 5902011-08-16 - 48f9e45 - lavf 53.4.0
48f9e457
AK
591 Add avformat_query_codec().
592
7f9b0ef9 5932011-08-16 - bca06e7 - lavc 53.8.0
bca06e77
AK
594 Add avcodec_get_type().
595
e3a70c7c
DB
5962011-08-06 - 2f63440 - lavf 53.4.0
597 Add error_recognition to AVFormatContext.
598
5038f9b2
LB
5992011-08-02 - 9d39cbf - lavc 53.7.1
600 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
601
6cb11979 6022011-07-10 - a67c061 - lavf 53.3.0
f2f523ff 603 Add avformat_find_stream_info(), deprecate av_find_stream_info().
9c47f2b2 604 NOTE: this was backported to 0.7
f2f523ff 605
6cb11979 6062011-07-10 - 0b950fe - lavc 53.6.0
f2f523ff 607 Add avcodec_open2(), deprecate avcodec_open().
9c47f2b2
AK
608 NOTE: this was backported to 0.7
609
44911f29
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610 Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and
611 avcodec_alloc_context2().
f2f523ff 612
6cb11979 6132011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
67e9ae14
MS
614 Add av_printf_format().
615
9c47f2b2
AK
616------------------------------8<-------------------------------------
617 0.7 branch was cut here
618----------------------------->8--------------------------------------
619
6cb11979 6202011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
7c44d716
AK
621 Add avformat_open_input and avformat_write_header().
622 Deprecate av_open_input_stream, av_open_input_file,
623 AVFormatParameters and av_write_header.
624
6cb11979 6252011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
7c44d716
AK
626 Add av_opt_set_dict() and av_opt_find().
627 Deprecate av_find_opt().
628 Add AV_DICT_APPEND flag.
629
6cb11979 6302011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
cb7c11cc
MS
631 Add av_opt_flag_is_set().
632
6cb11979 6332011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata
d9f80ea2
AK
634 Move AVMetadata from lavf to lavu and rename it to
635 AVDictionary -- new installed header dict.h.
636 All av_metadata_* functions renamed to av_dict_*.
637
1397ac0a 6382011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
a6703faa
SS
639 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
640 Deprecate av_get_bits_per_sample_fmt().
641
6cb11979 6422011-06-05 - b39b062 - lavu 51.3.0 - opt.h
b39b0623
AK
643 Add av_opt_free convenience function.
644
04de5bf5 6452011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
8f653e28
SS
646 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
647 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
648
19a686b8 6492011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
30315a8d
AC
650 Add fps_probe_size to AVFormatContext.
651
41e21e4d 6522011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
00e5da89
JR
653 Add request_sample_fmt field to AVCodecContext.
654
36dc49b7 6552011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
188dea1d
AK
656 Deprecate AVLPCType and the following fields in
657 AVCodecContext: lpc_coeff_precision, prediction_order_method,
658 min_partition_order, max_partition_order, lpc_type, lpc_passes.
659 Corresponding FLAC encoder options should be used instead.
660
36dc49b7 6612011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
bebe72f4
SS
662 Add AVPictureType enum and av_get_picture_type_char(), deprecate
663 FF_*_TYPE defines and av_get_pict_type_char() defined in
664 libavcodec/avcodec.h.
665
36dc49b7 6662011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
10d39405
RPM
667 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
668
36dc49b7 6692011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
7a11c82f
MN
670 Add sample_aspect_ratio fields to vsrc_buffer arguments
671
b4a53314 6722011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
94f7451a
RB
673 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
674
aad2f2f4
K
6752011-04-15 - lavc 52.120.0 - avcodec.h
676 AVPacket structure got additional members for passing side information:
677 4de339e introduce side information for AVPacket
678 2d8591c make containers pass palette change in AVPacket
679
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6802011-04-12 - lavf 52.107.0 - avio.h
681 Avio cleanup, part II - deprecate the entire URLContext API:
682 175389c add avio_check as a replacement for url_exist
683 ff1ec0c add avio_pause and avio_seek_time as replacements
684 for _av_url_read_fseek/fpause
685 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
686 should be used instead.
687 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
688 f87b1b3 rename open flags: URL_* -> AVIO_*
689 f8270bb add avio_enum_protocols.
690 5593f03 deprecate URLProtocol.
691 c486dad deprecate URLContext.
692 026e175 deprecate the typedef for URLInterruptCB
693 8e76a19 deprecate av_register_protocol2.
694 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
695 1305d93 deprecate av_url_read_seek
696 fa104e1 deprecate av_url_read_pause
697 727c7aa deprecate url_get_filename().
698 5958df3 deprecate url_max_packet_size().
699 1869ea0 deprecate url_get_file_handle().
700 32a97d4 deprecate url_filesize().
701 e52a914 deprecate url_close().
702 58a48c6 deprecate url_seek().
703 925e908 deprecate url_write().
704 dce3756 deprecate url_read_complete().
705 bc371ac deprecate url_read().
706 0589da0 deprecate url_open().
707 62eaaea deprecate url_connect.
708 5652bb9 deprecate url_alloc.
709 333e894 deprecate url_open_protocol
710 e230705 deprecate url_poll and URLPollEntry
711
73389754
PR
7122011-04-10 - lavu 50.40.0 - pixfmt.h
713 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
714
0c68c804
AK
7152011-04-08 - lavf 52.106.0 - avformat.h
716 Minor avformat.h cleanup:
717 a9bf9d8 deprecate av_guess_image2_codec
718 c3675df rename avf_sdp_create->av_sdp_create
719
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AK
7202011-04-03 - lavf 52.105.0 - avio.h
721 Large-scale renaming/deprecating of AVIOContext-related functions:
722 724f6a0 deprecate url_fdopen
723 403ee83 deprecate url_open_dyn_packet_buf
724 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
725 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
726 8978fed introduce an AVIOContext.seekable field as a replacement for
727 AVIOContext.is_streamed and url_is_streamed()
728 b64030f deprecate get_checksum()
729 4c4427a deprecate init_checksum()
730 4ec153b deprecate udp_set_remote_url/get_local_port
731 933e90a deprecate av_url_read_fseek/fpause
732 8d9769a deprecate url_fileno
733 b7f2fdd rename put_flush_packet -> avio_flush
734 35f1023 deprecate url_close_buf
735 83fddae deprecate url_open_buf
736 d9d86e0 rename url_fprintf -> avio_printf
737 59f65d9 deprecate url_setbufsize
738 3e68b3b deprecate url_ferror
739 66e5b1d deprecate url_feof
740 e8bb2e2 deprecate url_fget_max_packet_size
741 76aa876 rename url_fsize -> avio_size
742 e519753 deprecate url_fgetc
743 655e45e deprecate url_fgets
744 a2704c9 rename url_ftell -> avio_tell
745 e16ead0 deprecate get_strz() in favor of avio_get_str
746 0300db8,2af07d3 rename url_fskip -> avio_skip
747 6b4aa5d rename url_fseek -> avio_seek
748 61840b4 deprecate put_tag
749 22a3212 rename url_fopen/fclose -> avio_open/close.
750 0ac8e2b deprecate put_nbyte
751 77eb550 rename put_byte -> avio_w8
752 put_[b/l]e<type> -> avio_w[b/l]<type>
753 put_buffer -> avio_write
754 b7effd4 rename get_byte -> avio_r8,
755 get_[b/l]e<type> -> avio_r[b/l]<type>
756 get_buffer -> avio_read
757 b3db9ce deprecate get_partial_buffer
758 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
759
0b18b49b
JR
7602011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
761 Add audio_service_type field to AVCodecContext.
762
dc6fdad5
MS
7632011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
764 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
765 source stream timebase for outputting timestamps. Deprecate
766 av_pkt_dump and av_pkt_dump_log.
767
d2bbf82e
RB
7682011-02-20 - e731b8d - lavf 52.102.0 - avio.h
769 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
770 original, and move it to a private header so it is no longer
771 part of our public API. Instead, use av_alloc_put_byte().
772 * ae628ec - rename ByteIOContext to AVIOContext.
773
c3dbfa1a 7742011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
09d171b9 775 lavu 52.39.0 - parseutils.h
c3dbfa1a
JG
776 * 610219a - Add av_ prefix to dump_format().
777 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
778 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
09d171b9 779
737eb597
RT
7802011-02-15 - lavu 52.38.0 - merge libavcore
781 libavcore is merged back completely into libavutil
782
8ed4cc65
MR
7832011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
784 Add vbv_delay field to AVCodecContext
785
935ee1b9
MR
7862011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
787 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
788
08a459f0
MR
7892011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
790 Add sample_aspect_ratio field to AVFilterLink.
791
77c330a0
AH
7922011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
793 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
794
f2146944 7952011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
c0b102ca
AS
796 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
797 set thread_count before calling avcodec_open.
798
8e8cc52b 7992011-02-09 - 778b08a - lavc 52.111.0 - threading API
37b00b47
AS
800 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
801 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
802 Add thread_type and active_thread_type fields to AVCodecContext.
803
c2bd7578 8042011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
3940caad
AH
805 Add av_probe_input_buffer() to avformat.h for probing format from a
806 ByteIOContext.
807
ae0f8a1a 8082011-02-06 - fe174fc - lavf 52.97.0 - avio.h
fe174fc8
NG
809 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
810
ff197489
MS
8112011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
812 Add avformat_free_context() in avformat.h.
813
75fd0668
TH
8142011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
815 Add CODEC_ID_PRORES to avcodec.h.
816
7ab8758b
JG
8172011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
818 Add defines for H.264 * Constrained Baseline and Intra profiles
819
4868bebe
AK
8202011-02-02 - lavf 52.95.0
821 * 50196a9 - add a new installed header version.h.
822 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
823 avio_{put,get}_str* functions. Deprecate corresponding semi-public
824 {put,get}_str*.
825
8262011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
827 Make av_dlog public.
828
343bfdd3 8292011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
a242ac36
SS
830 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
831
343bfdd3 8322011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()
f93fe776
SS
833 Add av_metadata_copy() in avformat.h.
834
343bfdd3 8352011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque
81c623fa
MN
836 Deprecate reordered_opaque in favor of pkt_pts/dts.
837
343bfdd3 8382011-01-07 - 1919fea - lavc 52.106.0 - pkt_dts
1919feaf
MN
839 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
840 to not mess up dts.
841
343bfdd3 8422011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_pts
393cbb96
MN
843 Add pkt_pts to AVFrame.
844
343bfdd3 8452011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()
060ec0a8
AH
846 Add av_get_profile_name to libavcodec/avcodec.h.
847
343bfdd3 8482010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
28e5d45c
SS
849 Add AV_PERM_NEG_LINESIZES in avfilter.h.
850
343bfdd3 8512010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()
9128ae08
NG
852 Add av_find_best_stream to libavformat/avformat.h.
853
343bfdd3 8542010-12-27 - 107a7e3 - lavf 52.90.0
107a7e3e
AK
855 Add AVFMT_NOSTREAMS flag for formats with no streams,
856 like e.g. text metadata.
857
343bfdd3 8582010-12-22 - 0328b9e - lavu 50.36.0 - file.h
0328b9ea
SS
859 Add functions av_file_map() and av_file_unmap() in file.h.
860
343bfdd3 8612010-12-19 - 0bc55f5 - lavu 50.35.0 - error.h
0bc55f5d
NG
862 Add "not found" error codes:
863 AVERROR_DEMUXER_NOT_FOUND
864 AVERROR_MUXER_NOT_FOUND
865 AVERROR_DECODER_NOT_FOUND
866 AVERROR_ENCODER_NOT_FOUND
867 AVERROR_PROTOCOL_NOT_FOUND
868 AVERROR_FILTER_NOT_FOUND
869 AVERROR_BSF_NOT_FOUND
870 AVERROR_STREAM_NOT_FOUND
871
343bfdd3 8722010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.h
c61cdd0a
SS
873 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
874 avcodec.h to avcore.h.
875
343bfdd3 8762010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
16cfc961
SS
877 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
878
343bfdd3 8792010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()
bb4afa13
SS
880 Deprecate avcodec_pix_fmt_string() in favor of
881 pixdesc.h/av_get_pix_fmt_string().
882
343bfdd3 8832010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()
4da12e3b
SS
884 Add av_image_alloc() to libavcore/imgutils.h.
885
343bfdd3 8862010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()
037be76e
SS
887 Add function avfilter_graph_create_filter() in avfiltergraph.h.
888
343bfdd3 8892010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
d38c340f
SS
890 Add function avfilter_get_video_buffer_ref_from_arrays() in
891 avfilter.h.
06d19718 892
343bfdd3 8932010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.h
176a6157
SS
894 Add a public audio channel API in audioconvert.h, and deprecate the
895 corresponding functions in libavcodec:
896 avcodec_get_channel_name()
897 avcodec_get_channel_layout()
898 avcodec_get_channel_layout_string()
899 avcodec_channel_layout_num_channels()
900 and the CH_* macros defined in libavcodec/avcodec.h.
901
343bfdd3 9022010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.h
e58d0392
RD
903 Add av_append_packet().
904
343bfdd3 9052010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h
e58d0392
RD
906 Add av_grow_packet().
907
343bfdd3 9082010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h
0985e1a3
AJ
909 Add av_parse_color() declared in libavcore/parseutils.h.
910
343bfdd3 9112010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext
c716f917
AJ
912 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
913 fields.
914
343bfdd3 9152010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h
5aaea022
SS
916 Make avfiltergraph.h public.
917
343bfdd3 9182010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.h
4fcbb2af
SS
919 Remove declarations from avfiltergraph.h for the functions:
920 avfilter_graph_check_validity()
921 avfilter_graph_config_links()
922 avfilter_graph_config_formats()
923 which are now internal.
924 Use avfilter_graph_config() instead.
925
343bfdd3 9262010-11-08 - d2af720 - lavu 50.33.0 - eval.h
d2af7205
SS
927 Deprecate functions:
928 av_parse_and_eval_expr(),
929 av_parse_expr(),
930 av_eval_expr(),
931 av_free_expr(),
932 in favor of the functions:
933 av_expr_parse_and_eval(),
934 av_expr_parse(),
935 av_expr_eval(),
936 av_expr_free().
937
343bfdd3 9382010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()
24de0edb
SS
939 Rename avfilter_destroy() to avfilter_free().
940 This change breaks libavfilter API/ABI.
941
343bfdd3 9422010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h
1e80a0ea
SS
943 Remove graphparser.h header, move AVFilterInOut and
944 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
945
343bfdd3 9462010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut
da6ec07c
SS
947 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
948 This change breaks libavfilter API.
949
343bfdd3 9502010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()
97dd1e4a
SS
951 Rename avfilter_graph_destroy() to avfilter_graph_free().
952 This change breaks libavfilter API/ABI.
953
343bfdd3 9542010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()
e15aeea6
SS
955 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
956
343bfdd3 9572010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
6f84cd12
SS
958 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
959 deprecate av_get_bits_per_sample_format().
960
343bfdd3 9612010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.h
d63e456a
SS
962 Add sample format functions in libavcore/samplefmt.h:
963 av_get_sample_fmt_name(),
964 av_get_sample_fmt(),
965 av_get_sample_fmt_string(),
966 and deprecate the corresponding libavcodec/audioconvert.h functions:
967 avcodec_get_sample_fmt_name(),
968 avcodec_get_sample_fmt(),
969 avcodec_sample_fmt_string().
970
343bfdd3 9712010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.h
262d1c5d
SS
972 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
973 SampleFormat.
974
343bfdd3 9752010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()
2a24df93
SS
976 Add the function avfilter_graph_config() in avfiltergraph.h.
977
343bfdd3 9782010-10-15 - 03700d3 - lavf 52.83.0 - metadata API
03700d39
AK
979 Change demuxers to export metadata in generic format and
980 muxers to accept generic format. Deprecate the public
981 conversion API.
982
343bfdd3 9832010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base
77611295
SS
984 Add time_base field to AVFilterLink.
985
343bfdd3 9862010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()
c6625ad5
SS
987 Move av_set_options_string() from libavfilter/parseutils.h to
988 libavutil/opt.h.
989
343bfdd3 9902010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLink
4ecf1539
SS
991 Make the AVFilterLink fields srcpad and dstpad store the pointers to
992 the source and destination pads, rather than their indexes.
993
343bfdd3 9942010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()
b3dd5e59
SS
995 Move av_get_token() from libavfilter/parseutils.h to
996 libavutil/avstring.h.
997
343bfdd3 9982010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h
c5812793
SS
999 Add the functions sws_alloc_context() and sws_init_context().
1000
343bfdd3 10012010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h
41f87daa
SS
1002 Move libavcodec/opt.h to libavutil/opt.h.
1003
343bfdd3 10042010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()
1c1c80f0
MN
1005 Default of av_log() changed due to many problems to the old no repeat
1006 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
1007 enabling it for your app!.
1008
343bfdd3 10092010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()
07cac2a0
SS
1010 Deprecate av_opt_show() in favor or av_opt_show2().
1011
343bfdd3 10122010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()
07cac2a0
SS
1013 Add av_popcount() to libavutil/common.h.
1014
343bfdd3 10152010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()
15cae5e6
SS
1016 Add av_get_cpu_flags().
1017
343bfdd3 10182010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()
16bacad4
SS
1019 Add av_image_copy().
1020
343bfdd3 10212010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()
16bacad4
SS
1022 Add av_image_copy_plane().
1023
343bfdd3 10242010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h
1904035b
SS
1025 Adopt hierarchical scheme for the imgutils.h function names,
1026 deprecate the old names.
1027
343bfdd3 10282010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*
47806f41
SS
1029 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
1030 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
1031
343bfdd3 10322010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()
798dc641
SS
1033 Add avcodec_get_channel_layout() in audioconvert.h.
1034
343bfdd3 10352010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
26553088
SS
1036 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
1037
343bfdd3 10382010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()
33d2e7b3
SS
1039 Add av_fill_image_max_pixstep() in imgutils.h.
1040
343bfdd3 10412010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()
7f38d28c
SS
1042 Add the AV_NE macro.
1043
343bfdd3 10442010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework
3f52a907
SS
1045 Implement AVFilterBufferRefAudioProps struct for audio properties,
1046 get_audio_buffer(), filter_samples() functions and related changes.
1047
343bfdd3 10482010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()
d1a04371
SS
1049 Add av_get_image_linesize() in imgutils.h.
1050
343bfdd3 10512010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef
5bf840c4
SS
1052 Resize data and linesize arrays in AVFilterBufferRef to 8.
1053
1054 This change breaks libavfilter API/ABI.
1055
343bfdd3 10562010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()
c6a34954
SS
1057 Add av_picture_data_copy in avcodec.h.
1058
343bfdd3 10592010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()
c7c7feaa
SS
1060 Change avfilter_open() signature:
1061 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
1062 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
1063
1064 This change breaks libavfilter API/ABI.
1065
343bfdd3 10662010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRef
ad0d70c9
SS
1067 Add a type field to AVFilterBufferRef, and move video specific
1068 properties to AVFilterBufferRefVideoProps.
1069
4bf2d6e8 1070 This change breaks libavfilter API/ABI.
ad0d70c9 1071
343bfdd3 10722010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLink
711d14cf
SS
1073 Rename AVFilterLink fields:
1074 AVFilterLink.srcpic -> AVFilterLink.src_buf
1075 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
1076 AVFilterLink.outpic -> AVFilterLink.out_buf
1077
343bfdd3 10782010-08-07 - 7fce481 - lavfi 1.30.0
711d14cf
SS
1079 Rename functions and fields:
1080 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
1081 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
1082 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
1083
343bfdd3 10842010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef
711d14cf
SS
1085 Rename AVFilterPicRef to AVFilterBufferRef.
1086
343bfdd3 10872010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer
e11b104a
SS
1088 Move format field from AVFilterBuffer to AVFilterPicRef.
1089
343bfdd3 10902010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()
71cb41db
SS
1091 Deprecate avcodec_check_dimensions() in favor of the function
1092 av_check_image_size() defined in libavcore/imgutils.h.
1093
343bfdd3 10942010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBuffer
92dd4959
SS
1095 Increase size of the arrays AVFilterBuffer.data and
1096 AVFilterBuffer.linesize from 4 to 8.
1097
1098 This change breaks libavfilter ABI.
1099
343bfdd3 11002010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.h
3dec10cd
SS
1101 Add functions av_fill_image_linesizes() and
1102 av_fill_image_pointers(), declared in libavcore/imgutils.h.
1103
343bfdd3 11042010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.h
fa8ead00
SS
1105 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
1106 defined in libavcodec in favor of the newly added functions
1107 av_parse_video_size() and av_parse_video_rate() declared in
1108 libavcore/parseutils.h.
1109
343bfdd3 11102010-07-23 - 4485247 - lavu 50.23.0 - mathematics.h
c257c752
SS
1111 Add the M_PHI constant definition.
1112
343bfdd3 11132010-07-22 - bdab614 - lavfi 1.26.0 - media format generalization
73642926
SS
1114 Add a type field to AVFilterLink.
1115
1116 Change the field types:
1117 enum PixelFormat format -> int format in AVFilterBuffer
1118 enum PixelFormat *formats -> int *formats in AVFilterFormats
1119 enum PixelFormat *format -> int format in AVFilterLink
1120
1121 Change the function signatures:
1122 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
1123 AVFilterFormats *avfilter_make_format_list(const int *fmts);
1124
1125 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
1126 int avfilter_add_format (AVFilterFormats **avff, int fmt);
1127
1128 AVFilterFormats *avfilter_all_colorspaces(void); ->
1129 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
1130
1131 This change breaks libavfilter API/ABI.
1132
343bfdd3 11332010-07-21 - aac6ca6 - lavcore 0.0.0
a33e0365
SS
1134 Add libavcore.
1135
343bfdd3 11362010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer
8e9d9308
SS
1137 Remove w and h fields from AVFilterBuffer.
1138
343bfdd3 11392010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer
9840147d
SS
1140 Rename AVFilterPic to AVFilterBuffer.
1141
343bfdd3 11422010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()
57fe80fe
MS
1143 Make url_fskip() return an int error code instead of void.
1144
343bfdd3 11452010-07-11 - 23940f1 - lavc 52.83.0
6f5ac9c1 1146 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
23940f14
JR
1147 Add AVLPCType enum.
1148 Deprecate AVCodecContext.use_lpc.
1149
343bfdd3 11502010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()
e1d7c883
RD
1151 Add a function for free the contents of a AVSubtitle generated by
1152 avcodec_decode_subtitle.
1153
343bfdd3 11542010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h
617d56ca
SS
1155 Make the bswap.h and intreadwrite.h API public.
1156
343bfdd3 11572010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h
52706b95
SS
1158 Rename read/write_line() to av_read/write_image_line().
1159
343bfdd3 11602010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()
16400da6 1161 Add avfilter_copy_picref_props().
52706b95 1162
343bfdd3 11632010-07-03 - 2d525ef - lavc 52.79.0
16400da6
SS
1164 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
1165 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
34171e87 1166
343bfdd3 11672010-07-02 - 89eec74 - lavu 50.20.0 - lfg.h
13088d27
RP
1168 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
1169 lfg.h.
1170
343bfdd3 11712010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()
6951515c
SS
1172 Extend av_parse_color() syntax, make it accept an alpha value specifier and
1173 set the alpha value to 255 by default.
1174
343bfdd3 11752010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
16400da6 1176 Add priv_data_size and priv_data_class to URLProtocol.
58cc11c7 1177
343bfdd3 11782010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()
16400da6 1179 Add url_alloc() and url_connect().
4636f115 1180
343bfdd3 11812010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()
16400da6 1182 Add av_register_protocol2(), deprecating av_register_protocol().
6c4cbc8d 1183
343bfdd3 11842010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()
276b45af
SS
1185 Add av_compare_mod() to libavutil/mathematics.h.
1186
343bfdd3 11872010-06-05 - 0b99215 - lavu 50.18.0 - eval API
4cd5100c
SS
1188 Make the eval API public.
1189
343bfdd3 11902010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE
6532c6f9
SS
1191 Add AV_BASE64_SIZE() macro.
1192
343bfdd3 11932010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()
2a00992f
SS
1194 Add av_get_codec_tag_string().
1195
343bfdd3 11962010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API
16400da6 1197 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
7f464a0a 1198
343bfdd3 11992010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
fe9c2007 1200 Add CODEC_CAP_EXPERIMENTAL flag.
95c851e2 1201 NOTE: this was backported to 0.6
fe9c2007 1202
343bfdd3 12032010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()
16400da6 1204 Add av_get_random_seed().
cca68a54 1205
343bfdd3 12062010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
16400da6 1207 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
95c851e2 1208 NOTE: this was backported to 0.6
b724102a 1209
343bfdd3 12102010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef
fc25c049
SS
1211 Add interlaced and top_field_first fields to AVFilterPicRef.
1212
95c851e2
AK
1213------------------------------8<-------------------------------------
1214 0.6 branch was cut here
1215----------------------------->8--------------------------------------
1216
343bfdd3 12172010-05-01 - 8e2ee18 - lavf 52.62.0 - probe function
d0eb2b78
RD
1218 Add av_probe_input_format2 to API, it allows ignoring probe
1219 results below given score and returns the actual probe score.
1220
343bfdd3 12212010-04-01 - 3dd6180 - lavf 52.61.0 - metadata API
3dd6180f
AK
1222 Add a flag for av_metadata_set2() to disable overwriting of
1223 existing tags.
1224
343bfdd3 12252010-04-01 - 0fb49b5 - lavc 52.66.0
16400da6 1226 Add avcodec_get_edge_width().
0fb49b59 1227
343bfdd3 12282010-03-31 - d103218 - lavc 52.65.0
c846a984
RB
1229 Add avcodec_copy_context().
1230
343bfdd3 12312010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()
e33f1fa0
SS
1232 Make av_match_ext() public.
1233
343bfdd3 12342010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType
fc8b1075
SS
1235 Move AVMediaType enum from libavcodec to libavutil.
1236
343bfdd3 12372010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaType
fc8b1075
SS
1238 Define AVMediaType enum, and use it instead of enum CodecType, which
1239 is deprecated and will be dropped at the next major bump.
1240
343bfdd3 12412010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()
82ba847e
SS
1242 Implement av_strerror().
1243
343bfdd3 12442010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()
16400da6 1245 Support DCT-I and DST-I.
e1484ebe 1246
343bfdd3 12472010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime
a5b3d34b
MS
1248 Add AVFormatContext.start_time_realtime field.
1249
343bfdd3 12502010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos
8955a324
SS
1251 Add AVFilterPicRef.pos field.
1252
343bfdd3 12532010-03-13 - 60c144f - lavu 50.12.0 - error.h
99de2b59
SS
1254 Move error code definitions from libavcodec/avcodec.h to
1255 the new public header libavutil/error.h.
1256
343bfdd3 12572010-03-07 - c709483 - lavc 52.56.0 - avfft.h
c7094831
MR
1258 Add public FFT interface.
1259
343bfdd3 12602010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()
c18fb631
SS
1261 Add av_stristr().
1262
343bfdd3 12632010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()
4b83fc0f
VS
1264 Add av_tree_enumerate().
1265
343bfdd3 12662010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()
fbef7a76
SS
1267 Add av_compare_ts().
1268
343bfdd3 12692010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()
e49407ee
SS
1270 Add sws_getCoefficients().
1271
343bfdd3 12722010-02-01 - ca76a11 - lavf 52.50.0 - metadata API
ca76a119
AK
1273 Add a list of generic tag names, change 'author' -> 'artist',
1274 'year' -> 'date'.
1275
343bfdd3 12762010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()
14ace37e
SS
1277 Add av_get_pix_fmt().
1278
343bfdd3 12792010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()
e49407ee
SS
1280 Change constness attributes of sws_scale() parameters.
1281
343bfdd3 12822010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()
2d187e23
SS
1283 Add a log_ctx parameter to avfilter_graph_config_links().
1284
343bfdd3 12852010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()
1c790092 1286 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
715cff9a 1287
343bfdd3 12882010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()
1e289b09
SS
1289 Change the avfilter_add_colorspace() signature, make it accept an
1290 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
1291
343bfdd3 12922010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()
a2b16627
SS
1293 Add avfilter_add_colorspace().
1294
343bfdd3 12952010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()
79c2f2d3
SS
1296 Add av_match_ext(), it should be used in place of match_ext().
1297
343bfdd3 12982010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()
bb1a8793
SS
1299 Add av_guess_format(), it should be used in place of guess_format().
1300
343bfdd3 13012009-12-13 - a181981 - lavf 52.43.0 - metadata API
16400da6
SS
1302 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
1303 AV_METADATA_DONT_STRDUP_VAL.
b8f11ec8 1304
343bfdd3 13052009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API
f69d394f 1306 Add av_d2str().
60a92a77 1307
343bfdd3 13082009-12-13 - 02b398e - lavc 52.42.0 - AVStream
f69d394f 1309 Add avg_frame_rate.
c3d15329 1310
343bfdd3 13112009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()
54c24216
SS
1312 Introduce the av_bmg_next() function.
1313
343bfdd3 13142009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()
11f6d098
SS
1315 Add a slice_dir parameter to avfilter_draw_slice().
1316
343bfdd3 13172009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter
7cab9a66
SS
1318 Remove the next field from AVFilter, this is not anymore required.
1319
343bfdd3 13202009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()
b5a683eb
SS
1321 Introduce the avfilter_next() function.
1322
343bfdd3 13232009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()
73e2247d
SS
1324 Change the signature of avfilter_register() to make it return an
1325 int. This is required since now the registration operation may fail.
1326
343bfdd3 13272009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h API
d0df2fcc
SS
1328 Make the pixdesc.h API public.
1329
343bfdd3 13302009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.next
290d4a44
SS
1331 Add a next field to AVFilter, this is used for simplifying the
1332 registration and management of the registered filters.
1333
343bfdd3 13342009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.description
54116673 1335 Add a description field to AVFilter.
01537e9f 1336
343bfdd3 13372009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()
027e85d8
SS
1338 Change the interface of avfilter_make_format_list() from
1339 avfilter_make_format_list(int n, ...) to
1340 avfilter_make_format_list(enum PixelFormat *pix_fmts).
1341
343bfdd3 13422009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()
c3b27a3d
SS
1343 Make avfilter_get_video_buffer() recursive and add the w and h
1344 parameters to it.
1345
343bfdd3 13462009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPic
227d1b98 1347 Add w and h fields to AVFilterPic.
04670366 1348
343bfdd3 13492009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size
b394438e
RB
1350 This is now an unsigned int instead of a signed int.
1351
343bfdd3 13522009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.pts
227d1b98
DB
1353 Add a pts field to AVSubtitle which gives the subtitle packet pts
1354 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
4bbe788a
RD
1355 not work right without this.
1356
343bfdd3 13572009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEY
227d1b98 1358 PKT_FLAG_KEY has been deprecated and will be dropped at the next
8f3f2e06
RD
1359 major version. Use AV_PKT_FLAG_KEY instead.
1360
343bfdd3 13612009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()
f988ce6c
1362 av_lockmgr_register() can be used to register a callback function
1363 that lavc (and in the future, libraries that depend on lavc) can use
1364 to implement mutexes. The application should provide a callback function
227d1b98
DB
1365 that implements the AV_LOCK_* operations described in avcodec.h.
1366 When the lock manager is registered, FFmpeg is guaranteed to behave
1367 correctly in a multi-threaded application.
f988ce6c 1368
343bfdd3 13692009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()
52bcc8e1
RP
1370 av_free_packet() is no longer an inline function. It is now exported.
1371
343bfdd3 13722009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
0c13bbf5
RD
1373 Please use NULL instead. This has been supported since r16506
1374 (lavf > 52.23.1, lavc > 52.10.0).
1375
343bfdd3 13762009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
2851d225
RB
1377 The old decoding functions are deprecated, all new code should use the
1378 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
1379 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
1380 argument instead of a const uint8_t *buf / int buf_size pair.
1381
343bfdd3 13822009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()
b1516707
SS
1383 Introduce the av_fifo_space() function.
1384
343bfdd3 13852009-04-02 - fabd246 - lavc 52.23.0 - AVPacket
dd3bbb49
SS
1386 Move AVPacket declaration from libavformat/avformat.h to
1387 libavcodec/avcodec.h.
1388
343bfdd3 13892009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formats
227d1b98
DB
1390 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
1391 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
1392 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
1393 PIX_FMT_BGR32_1 are now macros.
1394 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
f3370e14 1395 Re-sort the enum PixelFormat list accordingly.
5a43bbc3
SS
1396 This change breaks API/ABI backward compatibility.
1397
343bfdd3 13982009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
dd3bbb49
SS
1399 Add the enum PixelFormat values:
1400 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
1401 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
1402
343bfdd3 14032009-03-21 - ee6624e - lavu 50.0.0 - av_random*
c8f742ca
DB
1404 The Mersenne Twister PRNG implemented through the av_random* functions
1405 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
1406 instead.
1407
343bfdd3 14082009-03-08 - 41dd680 - lavu 50.0.0 - AVFifoBuffer
889cdae8
DB
1409 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
1410 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
1411 and av_fifo_realloc2.
1412 In addition, the order of the function arguments of av_fifo_generic_read
227d1b98 1413 was changed to match av_fifo_generic_write.
889cdae8
DB
1414 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
1415 applications, they may not use sizeof() or directly access members.
22d4f236 1416
343bfdd3 14172009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata API
889cdae8
DB
1418 Introduce a new metadata API (see av_metadata_get() and friends).
1419 The old API is now deprecated and should not be used anymore. This especially
429d6b21 1420 includes the following structure fields:
38ce707e
AJ
1421 - AVFormatContext.title
1422 - AVFormatContext.author
1423 - AVFormatContext.copyright
1424 - AVFormatContext.comment
1425 - AVFormatContext.album
1426 - AVFormatContext.year
1427 - AVFormatContext.track
1428 - AVFormatContext.genre
1429 - AVStream.language
1430 - AVStream.filename
1431 - AVProgram.provider_name
1432 - AVProgram.name
1433 - AVChapter.title