pulse: Add a wallclock option to be compatible with other other captures
[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: 2014-08-09
6libavdevice: 2014-08-09
7libavfilter: 2014-08-09
8libavformat: 2014-08-09
9libavresample: 2014-08-09
10libswscale: 2014-08-09
11libavutil: 2014-08-09
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12
13
14API changes, most recent first:
ab79ee12 15
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162014-08-xx - xxxxxxx - lavu 54.03.0 - mem.h
17 Add av_strndup().
18
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192014-xx-xx - xxxxxxx - lavu 54.02.0 - opt.h
20 Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support
21 dictionary types being set as options.
22
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232014-xx-xx - xxxxxxx - lavf 56.01.0 - avformat.h
24 Add AVFormatContext.event_flags and AVStream.event_flags for signaling to
25 the user when events happen in the file/stream.
26
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272014-04-xx - xxxxxxx - lavr 2.1.0 - avresample.h
28 Add avresample_convert_frame() and avresample_config().
29
302014-04-xx - xxxxxxx - lavu 54.1.0 - error.h
31 Add AVERROR_INPUT_CHANGED and AVERROR_OUTPUT_CHANGED.
32
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332014-08-xx - xxxxxxx - lavc 55.57.4 - avcodec.h
34 Deprecate FF_IDCT_XVIDMMX define and xvidmmx idct option.
35 Replaced by FF_IDCT_XVID and xvid respectively.
36
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372014-08-xx - xxxxxxx - lsws 2.1.3 - swscale.h
38 sws_getCachedContext is not going to be removed in the future.
39
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402014-08-xx - xxxxxxx - lavc 55.57.3 - avcodec.h
41 reordered_opaque is not going to be removed in the future.
42
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432014-08-xx - xxxxxxx - lavu 53.22.0 - pixfmt.h
44 Add AV_PIX_FMT_YA16 pixel format for 16 bit packed gray with alpha.
45
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462014-08-xx - xxxxxxx - lavu 53.21.1 - avstring.h
47 Rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 to better identify the format.
48 An alias pixel format and color space name are provided for compatibility.
49
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502014-08-xx - xxxxxxx - lavu 53.21.0 - pixdesc.h
51 Support name aliases for pixel formats.
52
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532014-08-xx - xxxxxxx - lavc 55.57.2 - avcodec.h
542014-08-xx - xxxxxxx - lavu 53.20.0 - frame.h
55 Deprecate AVCodecContext.dtg_active_format and use side-data instead.
56
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572014-08-xx - xxxxxxx - lavc 55.57.1 - avcodec.h
58 Deprecate unused FF_IDCT_IPP define and ipp avcodec option.
59 Deprecate unused FF_DEBUG_PTS define and pts avcodec option.
60 Deprecate unused FF_CODER_TYPE_DEFLATE define and deflate avcodec option.
61 Deprecate unused FF_DCT_INT define and int avcodec option.
62 Deprecate unused avcodec option scenechange_factor.
63
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642014-07-xx - xxxxxxx - lavu 53.19.0 - avstring.h
65 Make name matching function from lavf public as av_match_name().
66
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672014-xx-xx - xxxxxxx - lavc 55.57.0 - avcodec.h
68 Add AV_CODEC_PROP_REORDER to mark codecs supporting frame reordering.
69
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702014-07-xx - xxxxxxx - lavu 53.18.0 - display.h
71 Add av_display_matrix_flip() to flip the transformation matrix.
72
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732014-07-xx - xxxxxxx - lavc 55.56.0 - dv_profile.h
74 Add a public API for DV profile handling.
75
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762014-06-xx - xxxxxxx - lavu 53.17.0 - imgutils.h
77 Add av_image_check_sar().
78
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792014-06-xx - xxxxxxx - lavc 55.55.0 - avcodec.h
80 Add av_packet_rescale_ts() to simplify timestamp conversion.
81
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822014-xx-xx - xxxxxxx - lavf 55.20.0 - avformat.h
83 The proper way for providing a hint about the desired timebase to the muxers
84 is now setting AVStream.time_base, instead of AVStream.codec.time_base as was
85 done previously. The old method is now deprecated.
86
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872014-04-xx - xxxxxxx - lavc 55.54.0 - avcodec.h
88 Add AVCodecContext.side_data_only_packets to allow encoders to output packets
89 with only side data. This option may become mandatory in the future, so all
90 users are recommended to update their code and enable this option.
91
8c02adc6 922014-xx-xx - xxxxxxx - lavu 53.16.0 - frame.h, pixfmt.h
93 Move all color-related enums (AVColorPrimaries, AVColorSpace, AVColorRange,
94 AVColorTransferCharacteristic, and AVChromaLocation) inside lavu.
95 Add AVFrame fields for them on the next lavu major bump.
96
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972014-04-xx - xxxxxxx - lavr 1.3.0 - avresample.h
98 Add avresample_max_output_samples
99
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1002014-05-24 - xxxxxxx - lavf 55.19.0 - avformat.h
101 Add strict_std_compliance and related AVOptions to support experimental
102 muxing.
103
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1042014-05-19 - xxxxxxx - lavf 55.18.0 - avformat.h
105 Add av_stream_get_side_data() to access stream-level side data
106 in the same way as av_packet_get_side_data().
107
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1082014-05-xx - xxxxxxx - lavu 53.15.0 - frame.h, display.h
109 Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level
110 spatial rendering on video frames for proper display.
111
21f68c24 1122014-05-xx - xxxxxxx - lavc 55.53.0 - avcodec.h
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113 Add AV_PKT_DATA_DISPLAYMATRIX for exporting packet-level
114 spatial rendering on video frames for proper display.
115
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1162014-05-xx - xxxxxxx - lavf 55.17.1 - avformat.h
117 Deprecate AVStream.pts and the AVFrac struct, which was its only use case.
118 Those fields were poorly defined and not meant to be public, so there is
119 no replacement for them.
120
33082af7 1212014-05-18 - fd05602 - lavc 55.52.0 - avcodec.h
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122 Add avcodec_free_context(). From now on it should be used for freeing
123 AVCodecContext.
124
33082af7 1252014-05-15 - 0c1959b - lavf 55.17.0 - avformat.h
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126 Add AVMFT_FLAG_BITEXACT flag. Muxers now use it instead of checking
127 CODEC_FLAG_BITEXACT on the first stream.
128
33082af7 1292014-05-11 - 66e6c8a - lavu 53.14.0 - pixfmt.h
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130 Add AV_PIX_FMT_VDA for new-style VDA acceleration.
131
33082af7 1322014-05-01 - a2941c8 - lavc 55.50.3 - avcodec.h
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133 Deprecate CODEC_FLAG_MV0. It is replaced by the flag "mv0" in the
134 "mpv_flags" private option of the mpegvideo encoders.
135
33082af7 1362014-05-01 - 6484149 - lavc 55.50.2 - avcodec.h
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137 Deprecate CODEC_FLAG_GMC. It is replaced by the "gmc" private option of the
138 libxvid encoder.
139
33082af7 1402014-05-01 - b2c3171 - lavc 55.50.1 - avcodec.h
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141 Deprecate CODEC_FLAG_NORMALIZE_AQP. It is replaced by the flag "naq" in the
142 "mpv_flags" private option of the mpegvideo encoders.
143
33082af7 1442014-05-01 - 5fcceda - avcodec.h
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145 Deprecate CODEC_FLAG_INPUT_PRESERVED. Its functionality is replaced by passing
146 reference-counted frames to encoders.
147
33082af7 1482014-04-28 - ed4b757 - lavc 55.50.0 - dxva2.h
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149 Add FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO for old Intel GPUs.
150
33082af7 1512014-04-22 - 502512e - lavu 53.13.0 - avutil.h
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152 Add av_get_time_base_q().
153
33082af7 1542014-04-17 - 0983d48 - lavu 53.12.0 - crc.h
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155 Add AV_CRC_16_ANSI_LE crc variant.
156
33082af7 1572014-04-07 - 8b17243 - lavu 53.11.0 - pixfmt.h
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158 Add AV_PIX_FMT_YVYU422 pixel format.
159
33082af7 1602014-04-04 - 8542f9c - lavu 53.10.0 - replaygain.h
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161 Full scale for peak values is now 100000 (instead of UINT32_MAX) and values
162 may overflow.
163
33082af7 1642014-04-03 - 7763118 - lavu 53.09.0 - log.h
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165 Add AV_LOG(c) macro to have 256 color debug messages.
166
33082af7 1672014-03-24 - d161ae0 - lavu 53.08.0 - frame.h
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168 Add av_frame_remove_side_data() for removing a single side data
169 instance from a frame.
170
33082af7 1712014-03-24 - 5a7e35d - lavu 53.07.0 - frame.h, replaygain.h
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172 Add AV_FRAME_DATA_REPLAYGAIN for exporting replaygain tags.
173 Add a new header replaygain.h with the AVReplayGain struct.
174
33082af7 1752014-03-24 - 5a7e35d - lavc 55.36.0 - avcodec.h
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176 Add AV_PKT_DATA_REPLAYGAIN for exporting replaygain tags.
177
33082af7 1782014-03-24 - 25b3258 - lavf 55.13.0 - avformat.h
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179 Add AVStream.side_data and AVStream.nb_side_data for exporting stream-global
180 side data (e.g. replaygain tags, video rotation)
181
33082af7 1822014-03-24 - 0e2c3ee - lavc 55.35.0 - avcodec.h
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183 Give the name AVPacketSideData to the previously anonymous struct used for
184 AVPacket.side_data.
185
33082af7 1862014-03-16 - 1481d24 - lavu 53.06.0 - pixfmt.h
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187 Add RGBA64 pixel format and variants.
188
33082af7 1892014-02-24 - 1155fd0 - lavu 53.05.0 - frame.h
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190 Add av_frame_copy() for copying the frame data.
191
33082af7 1922014-02-22 - 7e86c27 - lavr 1.2.0 - avresample.h
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193 Add avresample_is_open() for checking whether a resample context is open.
194
33082af7 1952014-02-19 - c3ecd96 - lavu 53.04.0 - opt.h
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196 Add AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)
197 for reading.
198
33082af7 1992014-02-19 - 6bb8720 - lavu 53.03.01 - opt.h
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200 Deprecate unused AV_OPT_FLAG_METADATA.
201
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202------------------------------8<-------------------------------------
203 10 branch was cut here
204----------------------------->8--------------------------------------
205
33082af7 2062014-02-15 - c98f316 - lavu 53.3.0 - frame.h
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207 Add AV_FRAME_DATA_DOWNMIX_INFO value to the AVFrameSideDataType enum and
208 downmix_info.h API, which identify downmix-related metadata.
209
d711d839 2102014-02-04 - d9ae103 - lavf 55.11.0 - avformat.h
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211 Add AVFormatContext.max_interleave_delta for controlling amount of buffering
212 when interleaving.
213
d711d839 2142014-01-20 - 93c553c - lavc 55.32.1 - avcodec.h
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215 Edges are not required anymore on video buffers allocated by get_buffer2()
216 (i.e. as if the CODEC_FLAG_EMU_EDGE flag was always on). Deprecate
217 CODEC_FLAG_EMU_EDGE and avcodec_get_edge_width().
218
d711d839 2192014-01-05 - 5b4797a - lavu 53.2.0 - frame.h
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220 Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which
221 identifies AVMatrixEncoding data.
222
d711d839 2232014-01-05 - 5c437fb - lavu 53.1.0 - channel_layout.h
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224 Add values for various Dolby flags to the AVMatrixEncoding enum.
225
d711d839 2262013-12-20 - 2a41826 - lavc 55.30.0 - avcodec.h
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227 Add HEVC profiles
228
d711d839 2292013-12-11 - b9fb59d,9431356,d7b3ee9 - lavc 55.28.1 - avcodec.h
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230 av_frame_alloc(), av_frame_unref() and av_frame_free() now can and should be
231 used instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() and
232 avcodec_free_frame() respectively. The latter three functions are deprecated.
233
d711d839 2342013-12-09 - 7e244c6- - lavu 52.20.0 - frame.h
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235 Add AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum and
236 stereo3d.h API, that identify codec-independent stereo3d information.
237
d711d839 2382013-11-26 - 1eaac1d- - lavu 52.19.0 - frame.h
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239 Add AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, which
240 identifies ATSC A53 Part 4 Closed Captions data.
241
d711d839 2422013-11-14 - cce3e0a - lavu 52.18.0 - mem.h
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243 Move av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.
244
d711d839 2452013-11-14 - 8941971 - lavc 55.27.0 - avcodec.h
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246 Deprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'
247 private option of the mpegvideo encoder family.
248
d711d839 2492013-11-14 - 728c465 - lavc 55.26.0 - vdpau.h
ca22d1de 250 Add av_vdpau_get_profile().
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251 Add av_vdpau_alloc_context(). This function must from now on be
252 used for allocating AVVDPAUContext.
ca22d1de 253
d711d839 2542013-11-04 - cd8f772 - lavc 55.25.0 - avcodec.h
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255 Add ITU-R BT.2020 and other not yet included values to color primaries,
256 transfer characteristics and colorspaces.
257
48d1ed9c 2582013-10-31 - 28096e0 - lavu 52.17.0 - frame.h
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259 Add AVFrame.flags and AV_FRAME_FLAG_CORRUPT.
260
d711d839 2612013-09-28 - 0767bfd - lavfi 3.11.0 - avfilter.h
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262 Add AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threading
263 implementations.
264
d711d839 2652013-09-21 - e208e6d - lavu 52.16.0 - pixfmt.h
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266 Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and
267 AV_PIX_FMT_NV20.
268
c38854c3 2692013-09-16 - 3feb3d6 - lavu 52.15.0 - mem.h
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270 Add av_reallocp.
271
c38854c3 2722013-08-10 - 5a9a9d4 - lavc 55.16.0 - avcodec.h
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273 Extend AVPacket API with av_packet_unref, av_packet_ref,
274 av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.
275
c38854c3 2762013-08-05 - f824535 - lavc 55.13.0 - avcodec.h
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277 Deprecate the bitstream-related members from struct AVVDPAUContext.
278 The bistream buffers no longer need to be explicitly freed.
279
c38854c3 2802013-08-05 - 549294f - lavc 55.12.0 - avcodec.h
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281 Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL
282 and select the AV_PIX_FMT_VDPAU format with get_format() instead.
283
c38854c3 2842013-08-05 - a0ad5d0 - lavu 52.14.0 - pixfmt.h
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285 Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.
286
c38854c3 2872013-08-02 - a8b1927 - lavc 55.11.0 - avcodec.h
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288 Add output_picture_number to AVCodecParserContext.
289
c38854c3 2902013-06-24 - 95d5246 - lavc 55.10.0 - avcodec.h
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291 Add MPEG-2 AAC profiles
292
c38854c3 2932013-06-04 - fc962d4 - lavu 52.13.0 - mem.h
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294 Add av_realloc_array and av_reallocp_array
295
c38854c3 2962013-05-24 - 129bb23 - lavfi 3.10.0 - avfilter.h
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297 Add support for slice multithreading to lavfi. Filters supporting threading
298 are marked with AVFILTER_FLAG_SLICE_THREADS.
299 New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and
300 AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be
301 used to configure multithreading.
302
c38854c3 3032013-05-24 - 2a6eaea - lavu 52.12.0 - cpu.h
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304 Add av_cpu_count() function for getting the number of logical CPUs.
305
c38854c3 3062013-05-24 - b493847 - lavc 55.7.0 - avcodec.h
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307 Add picture_structure to AVCodecParserContext.
308
c38854c3 3092013-05-15 - e6c4ac7 - lavu 52.11.0 - pixdesc.h
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310 Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.
311
c38854c3 3122013-04-03 - 507b1e4 - lavc 55.4.0 - avcodec.h
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313 Add field_order to AVCodecParserContext.
314
c38854c3 3152013-04-19 - 5e83d9a - lavc 55.2.0 - avcodec.h
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316 Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.
317
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3182013-04-11 - lavfi 3.8.0
319 38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate
320 avfilterhraph.h, user applications should include just avfilter.h
321 bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
322 avfilter_graph_add_filter().
323 1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
324 filter.
325 48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().
326 1ba95a9 - Add avfilter_init_dict().
327 7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.
328 7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.
329 fa2a34c - Add avfilter_next(), deprecate av_filter_next().
330 Deprecate avfilter_uninit().
331
3322013-04-09 - lavfi 3.7.0 - avfilter.h
333 b439c99 - Add AVFilter.priv_class for exporting filter options through the
334 AVOptions API in the similar way private options work in lavc and lavf.
335 8114c10 - Add avfilter_get_class().
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336 Switch all filters to use AVOptions.
337
35386fbf 3382013-03-19 - 2c328a9 - lavu 52.9.0 - pixdesc.h
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339 Add av_pix_fmt_count_planes() function for counting planes in a pixel format.
340
35386fbf 3412013-03-16 - 42c7c61 - lavfi 3.6.0
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342 Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
343
35386fbf 3442013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,
d8b31be6 345lavd 54.0.0, lavfi 3.5.0
35386fbf 346 8e401db, 1cec062 - add a new API for reference counted buffers and buffer
d8b31be6 347 pools (new header libavutil/buffer.h).
35386fbf 348 1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.
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349 Add av_packet_from_data() function for constructing packets from
350 av_malloc()ed data.
35386fbf 351 7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add
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352 AVFrame.buf/extended_buf to allow reference counting for the AVFrame
353 data. Add new API for working with reference-counted AVFrames.
35386fbf 354 759001c - add the refcounted_frames field to AVCodecContext to make audio and
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355 video decoders return reference-counted frames. Add get_buffer2()
356 callback to AVCodecContext which allocates reference-counted frames.
357 Add avcodec_default_get_buffer2() as the default get_buffer2()
358 implementation.
359 Deprecate AVCodecContext.get_buffer() / release_buffer() /
360 reget_buffer(), avcodec_default_get_buffer(),
361 avcodec_default_reget_buffer(), avcodec_default_release_buffer().
362 Remove avcodec_default_free_buffers(), which should not have ever
363 been called from outside of lavc.
364 Deprecate the following AVFrame fields:
365 * base -- is now stored in AVBufferRef
366 * reference, type, buffer_hints -- are unnecessary in the new API
367 * hwaccel_picture_private, owner, thread_opaque -- should not
368 have been acessed from outside of lavc
369 * qscale_table, qstride, qscale_type, mbskip_table, motion_val,
370 mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,
371 which are not exported anymore.
35386fbf 372 7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add
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373 av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().
374 Add av_buffersink_get_frame() and av_buffersink_get_samples(),
375 deprecate av_buffersink_read() and av_buffersink_read_samples().
376 Deprecate AVFilterBufferRef and all functions for working with it.
377
35386fbf 3782013-03-17 - 12c5c1d - lavu 52.8.0 - avstring.h
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379 Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.
380
35386fbf 3812013-02-23 - 9f12235 - lavfi 3.4.0 - avfiltergraph.h
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382 Add resample_lavr_opts to AVFilterGraph for setting libavresample options
383 for auto-inserted resample filters.
384
35386fbf 3852013-01-25 - 38c1466 - lavu 52.7.0 - dict.h
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386 Add av_dict_parse_string() to set multiple key/value pairs at once from a
387 string.
388
35386fbf 3892013-01-25 - b85a5e8 - lavu 52.6.0 - avstring.h
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390 Add av_strnstr()
391
35386fbf 3922013-01-15 - 8ee288d - lavu 52.5.0 - hmac.h
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393 Add AVHMAC.
394
35386fbf 3952013-01-13 - 44e065d - lavc 54.36.0 - vdpau.h
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396 Add AVVDPAUContext struct for VDPAU hardware-accelerated decoding.
397
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3982013-01-12 - 169fb94 - lavu 52.4.0 - pixdesc.h
399 Add AV_PIX_FMT_VDPAU flag.
400
142c3909 4012013-01-07 - 074a00d - lavr 1.1.0
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402 Add avresample_set_channel_mapping() for input channel reordering,
403 duplication, and silencing.
404
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406 9 branch was cut here
407----------------------------->8--------------------------------------
408
f89466ad 4092012-12-29 - d8fd06c - lavu 52.3.0 - avstring.h
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410 Add av_basename() and av_dirname().
411
142c3909 4122012-11-11 - 5980f5d - lavu 52.2.0 - audioconvert.h
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413 Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.
414
142c3909 4152012-11-05 - dfde8a3 - lavu 52.1.0 - intmath.h
dfde8a34
JR
416 Add av_ctz() for trailing zero bit count
417
142c3909 4182012-10-21 - a893655 - lavu 51.45.0 - error.h
a893655b
NC
419 Add AVERROR_EXPERIMENTAL
420
142c3909 4212012-10-12 - d2fcb35 - lavu 51.44.0 - pixdesc.h
d2fcb356
AK
422 Add functions for accessing pixel format descriptors.
423 Accessing the av_pix_fmt_descriptors array directly is now
424 deprecated.
425
142c3909 4262012-10-11 - 9a92aea - lavu 51.43.0 - aes.h, md5.h, sha.h, tree.h
9a92aea2
MS
427 Add functions for allocating the opaque contexts for the algorithms,
428 deprecate the context size variables.
429
142c3909 4302012-10-10 - b522000 - lavf 54.18.0 - avio.h
b522000e
LB
431 Add avio_closep to complement avio_close.
432
142c3909 4332012-10-08 - 78071a1 - lavu 51.42.0 - pixfmt.h
78071a14
AK
434 Rename PixelFormat to AVPixelFormat and all PIX_FMT_* to AV_PIX_FMT_*.
435 To provide backwards compatibility, PixelFormat is now #defined as
436 AVPixelFormat.
437 Note that this can break user code that includes pixfmt.h and uses the
438 'PixelFormat' identifier. Such code should either #undef PixelFormat
439 or stop using the PixelFormat name.
440
2f49e3da 4412012-10-05 - e7ba5b1 - lavr 1.0.0 - avresample.h
006afc7a
AK
442 Data planes parameters to avresample_convert() and
443 avresample_read() are now uint8_t** instead of void**.
444 Libavresample is now stable.
445
2f49e3da 4462012-09-24 - a42aada - lavc 54.28.0 - avcodec.h
a42aadab
AK
447 Add avcodec_free_frame(). This function must now
448 be used for freeing an AVFrame.
449
2f49e3da 4502012-09-12 - 8919fee - lavu 51.41.0 - audioconvert.h
8919fee7
TW
451 Added AV_CH_LOW_FREQUENCY_2 channel mask value.
452
2f49e3da 4532012-09-04 - 686a329 - lavu 51.40.0 - opt.h
686a3293
MS
454 Reordered the fields in default_val in AVOption, changed which
455 default_val field is used for which AVOptionType.
456
2f49e3da 4572012-08-30 - a231832 - lavc 54.26.1 - avcodec.h
a2318326
AK
458 Add codec descriptor properties AV_CODEC_PROP_LOSSY and
459 AV_CODEC_PROP_LOSSLESS.
460
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4612012-08-18 - lavc 54.26 - avcodec.h
462 Add codec descriptors for accessing codec properties without having
463 to refer to a specific decoder or encoder.
464
465 c223d79 - Add an AVCodecDescriptor struct and functions
466 avcodec_descriptor_get() and avcodec_descriptor_next().
467 51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.
468 91e59fe - Add avcodec_descriptor_get_by_name().
469
470
4712012-08-08 - 1d9c2dc - lavu 51.39 - avutil.h
1d9c2dc8
MS
472 Don't implicitly include libavutil/common.h in avutil.h
473
7b44061f 4742012-08-08 - 987170c - lavu 51.38 - dict.h
987170cb
MR
475 Add av_dict_count().
476
7b44061f 4772012-08-07 - 104e10f - lavc 54.25 - avcodec.h
104e10fb 478 Rename CodecID to AVCodecID and all CODEC_ID_* to AV_CODEC_ID_*.
2ff67c90
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479 To provide backwards compatibility, CodecID is now #defined as AVCodecID.
480 Note that this can break user code that includes avcodec.h and uses the
481 'CodecID' identifier. Such code should either #undef CodecID or stop using the
482 CodecID name.
104e10fb 483
7b44061f 4842012-08-03 - 239fdf1 - lavu 51.37.1 - cpu.h
239fdf1b
DB
485 lsws 2.1.1 - swscale.h
486 Rename AV_CPU_FLAG_MMX2 ---> AV_CPU_FLAG_MMXEXT.
487 Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.
488
7b44061f 4892012-07-29 - 681ed00 - lavf 54.13.0 - avformat.h
681ed000
LB
490 Add AVFMT_FLAG_NOBUFFER for low latency use cases.
491
7b44061f 4922012-07-20 - b70d89a - lavfi 3.0.0 - avfilter.h
b70d89a0
RN
493 Add avfilter_unref_bufferp().
494
45ff9e5b 4952012-07-10 - 5fade8a - lavu 51.37.0
f3e5e6f0
LB
496 Add av_malloc_array() and av_mallocz_array()
497
45ff9e5b 4982012-06-22 - d3d3a32 - lavu 51.34.0
d3d3a32c
MR
499 Add av_usleep()
500
dc7e336c
MR
5012012-06-20 - ae0a301 - lavu 51.33.0
502 Move av_gettime() to libavutil, add libavutil/time.h
503
45ff9e5b 5042012-06-09 - 3971be0 - lavr 0.0.3
3971be0e
JS
505 Add a parameter to avresample_build_matrix() for Dolby/DPLII downmixing.
506
45ff9e5b 5072012-06-12 - 9baeff9 - lavfi 2.23.0 - avfilter.h
9baeff95
AK
508 Add AVFilterContext.nb_inputs/outputs. Deprecate
509 AVFilterContext.input/output_count.
510
45ff9e5b 5112012-06-12 - 84b9fbe - lavfi 2.22.0 - avfilter.h
84b9fbe0
AK
512 Add avfilter_pad_get_type() and avfilter_pad_get_name(). Those
513 should now be used instead of accessing AVFilterPad members
514 directly.
515
45ff9e5b 5162012-06-12 - b0f0dfc - lavu 51.32.0 - audioconvert.h
b0f0dfc4
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517 Add av_get_channel_layout_channel_index(), av_get_channel_name()
518 and av_channel_layout_extract_channel().
519
45ff9e5b 5202012-05-25 - 154486f - lavu 51.31.0 - opt.h
154486f9
SP
521 Add av_opt_set_bin()
522
45ff9e5b 5232012-05-26 - e9cef89 - lavf 54.3.0
e9cef897
JZ
524 Add AVFMT_TS_NONSTRICT format flag to indicate that a muxer supports
525 non-increasing monotone timestamps.
526
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5272012-05-15 - lavfi 2.17.0
528 Add support for audio filters
529 ac71230/a2cd9be - add video/audio buffer sink in a new installed
530 header buffersink.h
531 720c6b7 - add av_buffersrc_write_frame(), deprecate
532 av_vsrc_buffer_add_frame()
533 ab16504 - add avfilter_copy_buf_props()
534 9453c9e - add extended_data to AVFilterBuffer
535 1b8c927 - add avfilter_get_audio_buffer_ref_from_arrays()
536
5372012-05-09 - lavu 51.30.0 - samplefmt.h
538 142e740 - add av_samples_copy()
539 6d7f617 - add av_samples_set_silence()
540
5412012-05-09 - a5117a2 - lavc 54.13.1
a5117a24
AK
542 For audio formats with fixed frame size, the last frame
543 no longer needs to be padded with silence, libavcodec
544 will handle this internally (effectively all encoders
545 behave as if they had CODEC_CAP_SMALL_LAST_FRAME set).
546
d89eca50 5472012-05-07 - 828bd08 - lavc 54.13.0 - avcodec.h
828bd088
AK
548 Add sample_rate and channel_layout fields to AVFrame.
549
d89eca50 5502012-05-01 - 4010d72 - lavr 0.0.1
4010d724
JR
551 Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.
552
f7ff0999 5532012-04-25 - 3527a73 - lavu 51.29.0 - cpu.h
3527a739
MR
554 Add av_parse_cpu_flags()
555
f7ff0999 5562012-04-24 - c8af852 - lavr 0.0.0
c8af852b
JR
557 Add libavresample audio conversion library
558
f7ff0999 5592012-04-20 - 0c0d1bc - lavu 51.28.0 - audio_fifo.h
0c0d1bce
JR
560 Add audio FIFO functions:
561 av_audio_fifo_free()
562 av_audio_fifo_alloc()
563 av_audio_fifo_realloc()
564 av_audio_fifo_write()
565 av_audio_fifo_read()
566 av_audio_fifo_drain()
567 av_audio_fifo_reset()
568 av_audio_fifo_size()
569 av_audio_fifo_space()
570
f7ff0999
JR
5712012-04-14 - lavfi 2.16.0 - avfiltergraph.h
572 d7bcc71 Add avfilter_graph_parse2().
573 91d3cbe Add avfilter_inout_alloc() and avfilter_inout_free().
91d3cbe0 574
f7ff0999 5752012-04-08 - 4d693b0 - lavu 51.27.0 - samplefmt.h
4d693b02
JR
576 Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()
577
f7ff0999 5782012-04-05 - 5cc51a5 - lavu 51.26.0 - audioconvert.h
5cc51a58
JR
579 Add av_get_default_channel_layout()
580
bf5f46b4
JG
5812012-03-20 - 3c90cc2 - lavfo 54.2.0
582 Deprecate av_read_packet(), use av_read_frame() with
583 AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags
584
5d20e7b7 5852012-03-06 - 4d851f8 - lavu 51.25.0 - cpu.h
4d851f8d
AK
586 Add av_set_cpu_flags_mask().
587
5d20e7b7
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5882012-03-05 - lavc 54.8.0
589 6699d07 Add av_get_exact_bits_per_sample()
590 9524cf7 Add av_get_audio_frame_duration()
9524cf79 591
5d20e7b7 5922012-03-04 - 44fe77b - lavc 54.7.0 - avcodec.h
44fe77b3
AK
593 Add av_codec_is_encoder/decoder().
594
5d20e7b7 5952012-03-01 - 442c132 - lavc 54.3.0 - avcodec.h
442c1320
MS
596 Add av_packet_shrink_side_data.
597
5d20e7b7 5982012-02-29 - dd2a4bc - lavf 54.2.0 - avformat.h
32253747
AK
599 Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,
600 used for dealing with attached pictures/cover art.
601
f5f5b154 6022012-02-25 - c9bca80 - lavu 51.24.0 - error.h
c9bca801 603 Add AVERROR_UNKNOWN
75bdd55e 604 NOTE: this was backported to 0.8
c9bca801 605
f5f5b154 6062012-02-20 - e9cda85 - lavc 54.2.0
e9cda853
JR
607 Add duration field to AVCodecParserContext
608
f5f5b154 6092012-02-20 - 0b42a93 - lavu 51.23.1 - mathematics.h
0b42a938
JR
610 Add av_rescale_q_rnd()
611
f5f5b154 6122012-02-08 - 38d5533 - lavu 51.22.1 - pixdesc.h
38d55332
AK
613 Add PIX_FMT_PSEUDOPAL flag.
614
f5f5b154 6152012-02-08 - 52f82a1 - lavc 54.01.0
52f82a11
AK
616 Add avcodec_encode_video2() and deprecate avcodec_encode_video().
617
fcc518a0 6182012-02-01 - 316fc74 - lavc 54.01.0
316fc744
JG
619 Add av_fast_padded_malloc() as alternative for av_realloc() when aligned
620 memory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZE
621 zero-padded bytes at the end.
622
fcc518a0 6232012-01-31 - dd6d3b0 - lavf 54.01.0
dd6d3b0e 624 Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
75bdd55e 625 NOTE: this was backported to 0.8
dd6d3b0e 626
fcc518a0 6272012-01-31 - af08d9a - lavc 54.01.0
af08d9ae 628 Add avcodec_is_open() function.
75bdd55e 629 NOTE: this was backported to 0.8
af08d9ae 630
fcc518a0 6312012-01-30 - 8b93312 - lavu 51.22.0 - intfloat.h
8b933129
PM
632 Add a new installed header libavutil/intfloat.h with int/float punning
633 functions.
75bdd55e 634 NOTE: this was backported to 0.8
8b933129 635
6cb28829
MS
6362012-01-25 - lavf 53.22.0
637 f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible
638 buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for
639 muxers supporting it (av_write_frame makes sure it is called
640 only for muxers with this flag).
641
75bdd55e
AK
642------------------------------8<-------------------------------------
643 0.8 branch was cut here
644----------------------------->8--------------------------------------
645
7512bb74 6462012-01-15 - lavc 53.34.0
a6ccae3f 647 New audio encoding API:
7512bb74 648 b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio
a6ccae3f 649 encoders.
7512bb74
AK
650 5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.
651 b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().
a6ccae3f
JR
652 Add AVCodec.encode2().
653
7512bb74 6542012-01-12 - 3167dc9 - lavfi 2.15.0
3167dc95
AK
655 Add a new installed header -- libavfilter/version.h -- with version macros.
656
c04a954d
JG
6572011-01-03 - b73ec05 - lavu 51.21.0
658 Add av_popcount64
659
06e8d38f
AK
6602011-12-25 - lavfi 2.14.0
661 e1d9dbf Add a new installed header - buffersrc.h
662 It contains a new function av_buffersrc_buffer() that allows passing
663 frames to the 'buffer' filter, but unlike av_vsrc_buffer_add_frame()
664 it allows for direct rendering.
665 1c9e340 Add avfilter_copy_frame_props() for copying properties from
666 AVFrame to AVFilterBufferRef.
667
6682011-12-25 - lavc 53.31.0
669 Add the following new fields to AVFrame:
670 b58dbb5 sample_aspect_ratio
671 3a2ddf7 width, height
672 8a4a5f6 format
673
2a216ca2 6742011-12-18 - 8400b12 - lavc 53.28.1
8400b126
MR
675 Deprecate AVFrame.age. The field is unused.
676
c04a954d
JG
6772011-12-12 - 5266045 - lavf 53.17.0
678 Add avformat_close_input().
52660454
AK
679 Deprecate av_close_input_file() and av_close_input_stream().
680
f134b5ec
VG
6812011-12-09 - b2890f5 - lavu 51.20.0 - audioconvert.h
682 Expand the channel layout list.
683
c04a954d 6842011-12-02 - 0eea212 - lavc 53.25.0
0eea2129
JR
685 Add nb_samples and extended_data fields to AVFrame.
686 Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.
687 Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().
688 avcodec_decode_audio4() writes output samples to an AVFrame, which allows
689 audio decoders to use get_buffer().
690
c04a954d 6912011-12-04 - 560f773 - lavc 53.24.0
560f773c
JR
692 Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.
693 Change AVPicture.data[4]/linesize[4] to [8] at next major bump.
694 Change AVCodecContext.error[4] to [8] at next major bump.
695 Add AV_NUM_DATA_POINTERS to simplify the bump transition.
696
f134b5ec
VG
6972011-11-24 - lavu 51.19.0
698 bd97b2e - add planar RGB pixel formats
699 6b0768e - add PIX_FMT_PLANAR and PIX_FMT_RGB pixel descriptions
700
b94a3b28 7012011-11-23 - bbb46f3 - lavu 51.18.0
bbb46f3e
JR
702 Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
703 av_samples_alloc(), to samplefmt.h.
704
b94a3b28 7052011-11-23 - 8889cc4 - lavu 51.17.0
8889cc4f
JR
706 Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.
707
b94a3b28 7082011-11-19 - f3a29b7 - lavc 53.21.0
f3a29b75
JR
709 Move some AVCodecContext fields to a new private struct, AVCodecInternal,
710 which is accessed from a new field, AVCodecContext.internal.
711 - fields moved:
712 AVCodecContext.internal_buffer --> AVCodecInternal.buffer
713 AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count
714 AVCodecContext.is_copy --> AVCodecInternal.is_copy
715
b94a3b28
MR
7162011-11-16 - 6270671 - lavu 51.16.0
717 Add av_timegm()
718
f872e4d0
AK
7192011-11-13 - lavf 53.15.0
720 New interrupt callback API, allowing per-AVFormatContext/AVIOContext
721 interrupt callbacks.
722 6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to
723 AVFormatContext.
724 1dee0ac Add avio_open2() with additional parameters. Those are
725 an interrupt callback and an options AVDictionary.
726 This will allow passing AVOptions to protocols after lavf
727 54.0.
728
eacec07e 7292011-11-06 - ba04ecf - lavu 51.14.0
ba04ecfd
RD
730 Add av_strcasecmp() and av_strncasecmp() to avstring.h.
731
eacec07e 7322011-11-06 - 07b172f - lavu 51.13.0
07b172fe
LB
733 Add av_toupper()/av_tolower()
734
eacec07e 7352011-11-05 - b6d08f4 - lavf 53.13.0
c9b309e8 736 Add avformat_network_init()/avformat_network_deinit()
b6d08f40 737
eacec07e 7382011-10-27 - 512557b - lavc 53.15.0
512557b2
JR
739 Remove avcodec_parse_frame.
740 Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.
741
eacec07e 7422011-10-19 - 569129a - lavf 53.10.0
569129a6
AK
743 Add avformat_new_stream(). Deprecate av_new_stream().
744
eacec07e 7452011-10-13 - b631fba - lavf 53.9.0
b631fba9
JR
746 Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.
747
492bd1a2
AK
7482011-10-12 - lavu 51.12.0
749 AVOptions API rewrite.
750
751 - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*
752 - new setting/getting functions with slightly different semantics:
753 dac66da av_set_string3 -> av_opt_set
754 av_set_double -> av_opt_set_double
755 av_set_q -> av_opt_set_q
756 av_set_int -> av_opt_set_int
757
758 41d9d51 av_get_string -> av_opt_get
759 av_get_double -> av_opt_get_double
760 av_get_q -> av_opt_get_q
761 av_get_int -> av_opt_get_int
762
763 - 8c5dcaa trivial rename av_next_option -> av_opt_next
764 - 641c7af new functions - av_opt_child_next, av_opt_child_class_next
765 and av_opt_find2()
766
7f9b0ef9 7672011-09-03 - fb4ca26 - lavc 53.10.0
fb4ca26b
AK
768 lavf 53.6.0
769 lsws 2.1.0
770 Add {avcodec,avformat,sws}_get_class().
771
7f9b0ef9 7722011-09-03 - c11fb82 - lavu 51.10.0
c11fb828
AK
773 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
774
96d8e18a
JN
7752011-08-26 - lavu 51.9.0
776 - f2011ed Add av_fifo_peek2(), deprecate av_fifo_peek().
777 - add41de..abc78a5 Do not include intfloat_readwrite.h,
778 mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.
f2011ed2 779
7f9b0ef9 7802011-08-16 - 48f9e45 - lavf 53.4.0
48f9e457
AK
781 Add avformat_query_codec().
782
7f9b0ef9 7832011-08-16 - bca06e7 - lavc 53.8.0
bca06e77
AK
784 Add avcodec_get_type().
785
e3a70c7c
DB
7862011-08-06 - 2f63440 - lavf 53.4.0
787 Add error_recognition to AVFormatContext.
788
5038f9b2
LB
7892011-08-02 - 9d39cbf - lavc 53.7.1
790 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
791
6cb11979 7922011-07-10 - a67c061 - lavf 53.3.0
f2f523ff 793 Add avformat_find_stream_info(), deprecate av_find_stream_info().
9c47f2b2 794 NOTE: this was backported to 0.7
f2f523ff 795
6cb11979 7962011-07-10 - 0b950fe - lavc 53.6.0
f2f523ff 797 Add avcodec_open2(), deprecate avcodec_open().
9c47f2b2
AK
798 NOTE: this was backported to 0.7
799
44911f29
AK
800 Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and
801 avcodec_alloc_context2().
f2f523ff 802
6cb11979 8032011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
67e9ae14
MS
804 Add av_printf_format().
805
9c47f2b2
AK
806------------------------------8<-------------------------------------
807 0.7 branch was cut here
808----------------------------->8--------------------------------------
809
6cb11979 8102011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
7c44d716
AK
811 Add avformat_open_input and avformat_write_header().
812 Deprecate av_open_input_stream, av_open_input_file,
813 AVFormatParameters and av_write_header.
814
6cb11979 8152011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
7c44d716
AK
816 Add av_opt_set_dict() and av_opt_find().
817 Deprecate av_find_opt().
818 Add AV_DICT_APPEND flag.
819
6cb11979 8202011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
cb7c11cc
MS
821 Add av_opt_flag_is_set().
822
6cb11979 8232011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata
d9f80ea2
AK
824 Move AVMetadata from lavf to lavu and rename it to
825 AVDictionary -- new installed header dict.h.
826 All av_metadata_* functions renamed to av_dict_*.
827
1397ac0a 8282011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
a6703faa
SS
829 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
830 Deprecate av_get_bits_per_sample_fmt().
831
6cb11979 8322011-06-05 - b39b062 - lavu 51.3.0 - opt.h
b39b0623
AK
833 Add av_opt_free convenience function.
834
04de5bf5 8352011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
8f653e28
SS
836 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
837 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
838
19a686b8 8392011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
30315a8d
AC
840 Add fps_probe_size to AVFormatContext.
841
41e21e4d 8422011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
00e5da89
JR
843 Add request_sample_fmt field to AVCodecContext.
844
36dc49b7 8452011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
188dea1d
AK
846 Deprecate AVLPCType and the following fields in
847 AVCodecContext: lpc_coeff_precision, prediction_order_method,
848 min_partition_order, max_partition_order, lpc_type, lpc_passes.
849 Corresponding FLAC encoder options should be used instead.
850
36dc49b7 8512011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
bebe72f4
SS
852 Add AVPictureType enum and av_get_picture_type_char(), deprecate
853 FF_*_TYPE defines and av_get_pict_type_char() defined in
854 libavcodec/avcodec.h.
855
36dc49b7 8562011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
10d39405
RPM
857 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
858
36dc49b7 8592011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
7a11c82f
MN
860 Add sample_aspect_ratio fields to vsrc_buffer arguments
861
b4a53314 8622011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
94f7451a
RB
863 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
864
aad2f2f4
K
8652011-04-15 - lavc 52.120.0 - avcodec.h
866 AVPacket structure got additional members for passing side information:
867 4de339e introduce side information for AVPacket
868 2d8591c make containers pass palette change in AVPacket
869
86a89ae3
AK
8702011-04-12 - lavf 52.107.0 - avio.h
871 Avio cleanup, part II - deprecate the entire URLContext API:
872 175389c add avio_check as a replacement for url_exist
873 ff1ec0c add avio_pause and avio_seek_time as replacements
874 for _av_url_read_fseek/fpause
875 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
876 should be used instead.
877 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
878 f87b1b3 rename open flags: URL_* -> AVIO_*
879 f8270bb add avio_enum_protocols.
880 5593f03 deprecate URLProtocol.
881 c486dad deprecate URLContext.
882 026e175 deprecate the typedef for URLInterruptCB
883 8e76a19 deprecate av_register_protocol2.
884 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
885 1305d93 deprecate av_url_read_seek
886 fa104e1 deprecate av_url_read_pause
887 727c7aa deprecate url_get_filename().
888 5958df3 deprecate url_max_packet_size().
889 1869ea0 deprecate url_get_file_handle().
890 32a97d4 deprecate url_filesize().
891 e52a914 deprecate url_close().
892 58a48c6 deprecate url_seek().
893 925e908 deprecate url_write().
894 dce3756 deprecate url_read_complete().
895 bc371ac deprecate url_read().
896 0589da0 deprecate url_open().
897 62eaaea deprecate url_connect.
898 5652bb9 deprecate url_alloc.
899 333e894 deprecate url_open_protocol
900 e230705 deprecate url_poll and URLPollEntry
901
73389754
PR
9022011-04-10 - lavu 50.40.0 - pixfmt.h
903 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
904
0c68c804
AK
9052011-04-08 - lavf 52.106.0 - avformat.h
906 Minor avformat.h cleanup:
907 a9bf9d8 deprecate av_guess_image2_codec
908 c3675df rename avf_sdp_create->av_sdp_create
909
4dcde00c
AK
9102011-04-03 - lavf 52.105.0 - avio.h
911 Large-scale renaming/deprecating of AVIOContext-related functions:
912 724f6a0 deprecate url_fdopen
913 403ee83 deprecate url_open_dyn_packet_buf
914 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
915 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
916 8978fed introduce an AVIOContext.seekable field as a replacement for
917 AVIOContext.is_streamed and url_is_streamed()
918 b64030f deprecate get_checksum()
919 4c4427a deprecate init_checksum()
920 4ec153b deprecate udp_set_remote_url/get_local_port
921 933e90a deprecate av_url_read_fseek/fpause
922 8d9769a deprecate url_fileno
923 b7f2fdd rename put_flush_packet -> avio_flush
924 35f1023 deprecate url_close_buf
925 83fddae deprecate url_open_buf
926 d9d86e0 rename url_fprintf -> avio_printf
927 59f65d9 deprecate url_setbufsize
928 3e68b3b deprecate url_ferror
929 66e5b1d deprecate url_feof
930 e8bb2e2 deprecate url_fget_max_packet_size
931 76aa876 rename url_fsize -> avio_size
932 e519753 deprecate url_fgetc
933 655e45e deprecate url_fgets
934 a2704c9 rename url_ftell -> avio_tell
935 e16ead0 deprecate get_strz() in favor of avio_get_str
936 0300db8,2af07d3 rename url_fskip -> avio_skip
937 6b4aa5d rename url_fseek -> avio_seek
938 61840b4 deprecate put_tag
939 22a3212 rename url_fopen/fclose -> avio_open/close.
940 0ac8e2b deprecate put_nbyte
941 77eb550 rename put_byte -> avio_w8
942 put_[b/l]e<type> -> avio_w[b/l]<type>
943 put_buffer -> avio_write
944 b7effd4 rename get_byte -> avio_r8,
945 get_[b/l]e<type> -> avio_r[b/l]<type>
946 get_buffer -> avio_read
947 b3db9ce deprecate get_partial_buffer
948 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
949
0b18b49b
JR
9502011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
951 Add audio_service_type field to AVCodecContext.
952
dc6fdad5
MS
9532011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
954 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
955 source stream timebase for outputting timestamps. Deprecate
956 av_pkt_dump and av_pkt_dump_log.
957
d2bbf82e
RB
9582011-02-20 - e731b8d - lavf 52.102.0 - avio.h
959 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
960 original, and move it to a private header so it is no longer
961 part of our public API. Instead, use av_alloc_put_byte().
962 * ae628ec - rename ByteIOContext to AVIOContext.
963
c3dbfa1a 9642011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
09d171b9 965 lavu 52.39.0 - parseutils.h
c3dbfa1a
JG
966 * 610219a - Add av_ prefix to dump_format().
967 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
968 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
09d171b9 969
737eb597
RT
9702011-02-15 - lavu 52.38.0 - merge libavcore
971 libavcore is merged back completely into libavutil
972
8ed4cc65
MR
9732011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
974 Add vbv_delay field to AVCodecContext
975
935ee1b9
MR
9762011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
977 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
978
08a459f0
MR
9792011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
980 Add sample_aspect_ratio field to AVFilterLink.
981
77c330a0
AH
9822011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
983 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
984
f2146944 9852011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
c0b102ca
AS
986 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
987 set thread_count before calling avcodec_open.
988
8e8cc52b 9892011-02-09 - 778b08a - lavc 52.111.0 - threading API
37b00b47
AS
990 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
991 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
992 Add thread_type and active_thread_type fields to AVCodecContext.
993
c2bd7578 9942011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
3940caad
AH
995 Add av_probe_input_buffer() to avformat.h for probing format from a
996 ByteIOContext.
997
ae0f8a1a 9982011-02-06 - fe174fc - lavf 52.97.0 - avio.h
fe174fc8
NG
999 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
1000
ff197489
MS
10012011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
1002 Add avformat_free_context() in avformat.h.
1003
75fd0668
TH
10042011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
1005 Add CODEC_ID_PRORES to avcodec.h.
1006
7ab8758b
JG
10072011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
1008 Add defines for H.264 * Constrained Baseline and Intra profiles
1009
4868bebe
AK
10102011-02-02 - lavf 52.95.0
1011 * 50196a9 - add a new installed header version.h.
1012 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
1013 avio_{put,get}_str* functions. Deprecate corresponding semi-public
1014 {put,get}_str*.
1015
10162011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
1017 Make av_dlog public.
1018
343bfdd3 10192011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
a242ac36
SS
1020 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
1021
343bfdd3 10222011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()
f93fe776
SS
1023 Add av_metadata_copy() in avformat.h.
1024
343bfdd3 10252011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque
81c623fa
MN
1026 Deprecate reordered_opaque in favor of pkt_pts/dts.
1027
343bfdd3 10282011-01-07 - 1919fea - lavc 52.106.0 - pkt_dts
1919feaf
MN
1029 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
1030 to not mess up dts.
1031
343bfdd3 10322011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_pts
393cbb96
MN
1033 Add pkt_pts to AVFrame.
1034
343bfdd3 10352011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()
060ec0a8
AH
1036 Add av_get_profile_name to libavcodec/avcodec.h.
1037
343bfdd3 10382010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
28e5d45c
SS
1039 Add AV_PERM_NEG_LINESIZES in avfilter.h.
1040
343bfdd3 10412010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()
9128ae08
NG
1042 Add av_find_best_stream to libavformat/avformat.h.
1043
343bfdd3 10442010-12-27 - 107a7e3 - lavf 52.90.0
107a7e3e
AK
1045 Add AVFMT_NOSTREAMS flag for formats with no streams,
1046 like e.g. text metadata.
1047
343bfdd3 10482010-12-22 - 0328b9e - lavu 50.36.0 - file.h
0328b9ea
SS
1049 Add functions av_file_map() and av_file_unmap() in file.h.
1050
343bfdd3 10512010-12-19 - 0bc55f5 - lavu 50.35.0 - error.h
0bc55f5d
NG
1052 Add "not found" error codes:
1053 AVERROR_DEMUXER_NOT_FOUND
1054 AVERROR_MUXER_NOT_FOUND
1055 AVERROR_DECODER_NOT_FOUND
1056 AVERROR_ENCODER_NOT_FOUND
1057 AVERROR_PROTOCOL_NOT_FOUND
1058 AVERROR_FILTER_NOT_FOUND
1059 AVERROR_BSF_NOT_FOUND
1060 AVERROR_STREAM_NOT_FOUND
1061
343bfdd3 10622010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.h
c61cdd0a
SS
1063 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
1064 avcodec.h to avcore.h.
1065
343bfdd3 10662010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
16cfc961
SS
1067 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
1068
343bfdd3 10692010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()
bb4afa13
SS
1070 Deprecate avcodec_pix_fmt_string() in favor of
1071 pixdesc.h/av_get_pix_fmt_string().
1072
343bfdd3 10732010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()
4da12e3b
SS
1074 Add av_image_alloc() to libavcore/imgutils.h.
1075
343bfdd3 10762010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()
037be76e
SS
1077 Add function avfilter_graph_create_filter() in avfiltergraph.h.
1078
343bfdd3 10792010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
d38c340f
SS
1080 Add function avfilter_get_video_buffer_ref_from_arrays() in
1081 avfilter.h.
06d19718 1082
343bfdd3 10832010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.h
176a6157
SS
1084 Add a public audio channel API in audioconvert.h, and deprecate the
1085 corresponding functions in libavcodec:
1086 avcodec_get_channel_name()
1087 avcodec_get_channel_layout()
1088 avcodec_get_channel_layout_string()
1089 avcodec_channel_layout_num_channels()
1090 and the CH_* macros defined in libavcodec/avcodec.h.
1091
343bfdd3 10922010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.h
e58d0392
RD
1093 Add av_append_packet().
1094
343bfdd3 10952010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h
e58d0392
RD
1096 Add av_grow_packet().
1097
343bfdd3 10982010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h
0985e1a3
AJ
1099 Add av_parse_color() declared in libavcore/parseutils.h.
1100
343bfdd3 11012010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext
c716f917
AJ
1102 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
1103 fields.
1104
343bfdd3 11052010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h
5aaea022
SS
1106 Make avfiltergraph.h public.
1107
343bfdd3 11082010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.h
4fcbb2af
SS
1109 Remove declarations from avfiltergraph.h for the functions:
1110 avfilter_graph_check_validity()
1111 avfilter_graph_config_links()
1112 avfilter_graph_config_formats()
1113 which are now internal.
1114 Use avfilter_graph_config() instead.
1115
343bfdd3 11162010-11-08 - d2af720 - lavu 50.33.0 - eval.h
d2af7205
SS
1117 Deprecate functions:
1118 av_parse_and_eval_expr(),
1119 av_parse_expr(),
1120 av_eval_expr(),
1121 av_free_expr(),
1122 in favor of the functions:
1123 av_expr_parse_and_eval(),
1124 av_expr_parse(),
1125 av_expr_eval(),
1126 av_expr_free().
1127
343bfdd3 11282010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()
24de0edb
SS
1129 Rename avfilter_destroy() to avfilter_free().
1130 This change breaks libavfilter API/ABI.
1131
343bfdd3 11322010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h
1e80a0ea
SS
1133 Remove graphparser.h header, move AVFilterInOut and
1134 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
1135
343bfdd3 11362010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut
da6ec07c
SS
1137 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
1138 This change breaks libavfilter API.
1139
343bfdd3 11402010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()
97dd1e4a
SS
1141 Rename avfilter_graph_destroy() to avfilter_graph_free().
1142 This change breaks libavfilter API/ABI.
1143
343bfdd3 11442010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()
e15aeea6
SS
1145 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
1146
343bfdd3 11472010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
6f84cd12
SS
1148 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
1149 deprecate av_get_bits_per_sample_format().
1150
343bfdd3 11512010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.h
d63e456a
SS
1152 Add sample format functions in libavcore/samplefmt.h:
1153 av_get_sample_fmt_name(),
1154 av_get_sample_fmt(),
1155 av_get_sample_fmt_string(),
1156 and deprecate the corresponding libavcodec/audioconvert.h functions:
1157 avcodec_get_sample_fmt_name(),
1158 avcodec_get_sample_fmt(),
1159 avcodec_sample_fmt_string().
1160
343bfdd3 11612010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.h
262d1c5d
SS
1162 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
1163 SampleFormat.
1164
343bfdd3 11652010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()
2a24df93
SS
1166 Add the function avfilter_graph_config() in avfiltergraph.h.
1167
343bfdd3 11682010-10-15 - 03700d3 - lavf 52.83.0 - metadata API
03700d39
AK
1169 Change demuxers to export metadata in generic format and
1170 muxers to accept generic format. Deprecate the public
1171 conversion API.
1172
343bfdd3 11732010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base
77611295
SS
1174 Add time_base field to AVFilterLink.
1175
343bfdd3 11762010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()
c6625ad5
SS
1177 Move av_set_options_string() from libavfilter/parseutils.h to
1178 libavutil/opt.h.
1179
343bfdd3 11802010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLink
4ecf1539
SS
1181 Make the AVFilterLink fields srcpad and dstpad store the pointers to
1182 the source and destination pads, rather than their indexes.
1183
343bfdd3 11842010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()
b3dd5e59
SS
1185 Move av_get_token() from libavfilter/parseutils.h to
1186 libavutil/avstring.h.
1187
343bfdd3 11882010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h
c5812793
SS
1189 Add the functions sws_alloc_context() and sws_init_context().
1190
343bfdd3 11912010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h
41f87daa
SS
1192 Move libavcodec/opt.h to libavutil/opt.h.
1193
343bfdd3 11942010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()
1c1c80f0
MN
1195 Default of av_log() changed due to many problems to the old no repeat
1196 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
1197 enabling it for your app!.
1198
343bfdd3 11992010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()
07cac2a0
SS
1200 Deprecate av_opt_show() in favor or av_opt_show2().
1201
343bfdd3 12022010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()
07cac2a0
SS
1203 Add av_popcount() to libavutil/common.h.
1204
343bfdd3 12052010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()
15cae5e6
SS
1206 Add av_get_cpu_flags().
1207
343bfdd3 12082010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()
16bacad4
SS
1209 Add av_image_copy().
1210
343bfdd3 12112010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()
16bacad4
SS
1212 Add av_image_copy_plane().
1213
343bfdd3 12142010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h
1904035b
SS
1215 Adopt hierarchical scheme for the imgutils.h function names,
1216 deprecate the old names.
1217
343bfdd3 12182010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*
47806f41
SS
1219 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
1220 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
1221
343bfdd3 12222010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()
798dc641
SS
1223 Add avcodec_get_channel_layout() in audioconvert.h.
1224
343bfdd3 12252010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
26553088
SS
1226 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
1227
343bfdd3 12282010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()
33d2e7b3
SS
1229 Add av_fill_image_max_pixstep() in imgutils.h.
1230
343bfdd3 12312010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()
7f38d28c
SS
1232 Add the AV_NE macro.
1233
343bfdd3 12342010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework
3f52a907
SS
1235 Implement AVFilterBufferRefAudioProps struct for audio properties,
1236 get_audio_buffer(), filter_samples() functions and related changes.
1237
343bfdd3 12382010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()
d1a04371
SS
1239 Add av_get_image_linesize() in imgutils.h.
1240
343bfdd3 12412010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef
5bf840c4
SS
1242 Resize data and linesize arrays in AVFilterBufferRef to 8.
1243
1244 This change breaks libavfilter API/ABI.
1245
343bfdd3 12462010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()
c6a34954
SS
1247 Add av_picture_data_copy in avcodec.h.
1248
343bfdd3 12492010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()
c7c7feaa
SS
1250 Change avfilter_open() signature:
1251 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
1252 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
1253
1254 This change breaks libavfilter API/ABI.
1255
343bfdd3 12562010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRef
ad0d70c9
SS
1257 Add a type field to AVFilterBufferRef, and move video specific
1258 properties to AVFilterBufferRefVideoProps.
1259
4bf2d6e8 1260 This change breaks libavfilter API/ABI.
ad0d70c9 1261
343bfdd3 12622010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLink
711d14cf
SS
1263 Rename AVFilterLink fields:
1264 AVFilterLink.srcpic -> AVFilterLink.src_buf
1265 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
1266 AVFilterLink.outpic -> AVFilterLink.out_buf
1267
343bfdd3 12682010-08-07 - 7fce481 - lavfi 1.30.0
711d14cf
SS
1269 Rename functions and fields:
1270 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
1271 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
1272 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
1273
343bfdd3 12742010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef
711d14cf
SS
1275 Rename AVFilterPicRef to AVFilterBufferRef.
1276
343bfdd3 12772010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer
e11b104a
SS
1278 Move format field from AVFilterBuffer to AVFilterPicRef.
1279
343bfdd3 12802010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()
71cb41db
SS
1281 Deprecate avcodec_check_dimensions() in favor of the function
1282 av_check_image_size() defined in libavcore/imgutils.h.
1283
343bfdd3 12842010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBuffer
92dd4959
SS
1285 Increase size of the arrays AVFilterBuffer.data and
1286 AVFilterBuffer.linesize from 4 to 8.
1287
1288 This change breaks libavfilter ABI.
1289
343bfdd3 12902010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.h
3dec10cd
SS
1291 Add functions av_fill_image_linesizes() and
1292 av_fill_image_pointers(), declared in libavcore/imgutils.h.
1293
343bfdd3 12942010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.h
fa8ead00
SS
1295 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
1296 defined in libavcodec in favor of the newly added functions
1297 av_parse_video_size() and av_parse_video_rate() declared in
1298 libavcore/parseutils.h.
1299
343bfdd3 13002010-07-23 - 4485247 - lavu 50.23.0 - mathematics.h
c257c752
SS
1301 Add the M_PHI constant definition.
1302
343bfdd3 13032010-07-22 - bdab614 - lavfi 1.26.0 - media format generalization
73642926
SS
1304 Add a type field to AVFilterLink.
1305
1306 Change the field types:
1307 enum PixelFormat format -> int format in AVFilterBuffer
1308 enum PixelFormat *formats -> int *formats in AVFilterFormats
1309 enum PixelFormat *format -> int format in AVFilterLink
1310
1311 Change the function signatures:
1312 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
1313 AVFilterFormats *avfilter_make_format_list(const int *fmts);
1314
1315 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
1316 int avfilter_add_format (AVFilterFormats **avff, int fmt);
1317
1318 AVFilterFormats *avfilter_all_colorspaces(void); ->
1319 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
1320
1321 This change breaks libavfilter API/ABI.
1322
343bfdd3 13232010-07-21 - aac6ca6 - lavcore 0.0.0
a33e0365
SS
1324 Add libavcore.
1325
343bfdd3 13262010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer
8e9d9308
SS
1327 Remove w and h fields from AVFilterBuffer.
1328
343bfdd3 13292010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer
9840147d
SS
1330 Rename AVFilterPic to AVFilterBuffer.
1331
343bfdd3 13322010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()
57fe80fe
MS
1333 Make url_fskip() return an int error code instead of void.
1334
343bfdd3 13352010-07-11 - 23940f1 - lavc 52.83.0
6f5ac9c1 1336 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
23940f14
JR
1337 Add AVLPCType enum.
1338 Deprecate AVCodecContext.use_lpc.
1339
343bfdd3 13402010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()
e1d7c883
RD
1341 Add a function for free the contents of a AVSubtitle generated by
1342 avcodec_decode_subtitle.
1343
343bfdd3 13442010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h
617d56ca
SS
1345 Make the bswap.h and intreadwrite.h API public.
1346
343bfdd3 13472010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h
52706b95
SS
1348 Rename read/write_line() to av_read/write_image_line().
1349
343bfdd3 13502010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()
16400da6 1351 Add avfilter_copy_picref_props().
52706b95 1352
343bfdd3 13532010-07-03 - 2d525ef - lavc 52.79.0
16400da6
SS
1354 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
1355 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
34171e87 1356
343bfdd3 13572010-07-02 - 89eec74 - lavu 50.20.0 - lfg.h
13088d27
RP
1358 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
1359 lfg.h.
1360
343bfdd3 13612010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()
6951515c
SS
1362 Extend av_parse_color() syntax, make it accept an alpha value specifier and
1363 set the alpha value to 255 by default.
1364
343bfdd3 13652010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
16400da6 1366 Add priv_data_size and priv_data_class to URLProtocol.
58cc11c7 1367
343bfdd3 13682010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()
16400da6 1369 Add url_alloc() and url_connect().
4636f115 1370
343bfdd3 13712010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()
16400da6 1372 Add av_register_protocol2(), deprecating av_register_protocol().
6c4cbc8d 1373
343bfdd3 13742010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()
276b45af
SS
1375 Add av_compare_mod() to libavutil/mathematics.h.
1376
343bfdd3 13772010-06-05 - 0b99215 - lavu 50.18.0 - eval API
4cd5100c
SS
1378 Make the eval API public.
1379
343bfdd3 13802010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE
6532c6f9
SS
1381 Add AV_BASE64_SIZE() macro.
1382
343bfdd3 13832010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()
2a00992f
SS
1384 Add av_get_codec_tag_string().
1385
343bfdd3 13862010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API
16400da6 1387 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
7f464a0a 1388
343bfdd3 13892010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
fe9c2007 1390 Add CODEC_CAP_EXPERIMENTAL flag.
95c851e2 1391 NOTE: this was backported to 0.6
fe9c2007 1392
343bfdd3 13932010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()
16400da6 1394 Add av_get_random_seed().
cca68a54 1395
343bfdd3 13962010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
16400da6 1397 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
95c851e2 1398 NOTE: this was backported to 0.6
b724102a 1399
343bfdd3 14002010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef
fc25c049
SS
1401 Add interlaced and top_field_first fields to AVFilterPicRef.
1402
95c851e2
AK
1403------------------------------8<-------------------------------------
1404 0.6 branch was cut here
1405----------------------------->8--------------------------------------
1406
343bfdd3 14072010-05-01 - 8e2ee18 - lavf 52.62.0 - probe function
d0eb2b78
RD
1408 Add av_probe_input_format2 to API, it allows ignoring probe
1409 results below given score and returns the actual probe score.
1410
343bfdd3 14112010-04-01 - 3dd6180 - lavf 52.61.0 - metadata API
3dd6180f
AK
1412 Add a flag for av_metadata_set2() to disable overwriting of
1413 existing tags.
1414
343bfdd3 14152010-04-01 - 0fb49b5 - lavc 52.66.0
16400da6 1416 Add avcodec_get_edge_width().
0fb49b59 1417
343bfdd3 14182010-03-31 - d103218 - lavc 52.65.0
c846a984
RB
1419 Add avcodec_copy_context().
1420
343bfdd3 14212010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()
e33f1fa0
SS
1422 Make av_match_ext() public.
1423
343bfdd3 14242010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType
fc8b1075
SS
1425 Move AVMediaType enum from libavcodec to libavutil.
1426
343bfdd3 14272010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaType
fc8b1075
SS
1428 Define AVMediaType enum, and use it instead of enum CodecType, which
1429 is deprecated and will be dropped at the next major bump.
1430
343bfdd3 14312010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()
82ba847e
SS
1432 Implement av_strerror().
1433
343bfdd3 14342010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()
16400da6 1435 Support DCT-I and DST-I.
e1484ebe 1436
343bfdd3 14372010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime
a5b3d34b
MS
1438 Add AVFormatContext.start_time_realtime field.
1439
343bfdd3 14402010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos
8955a324
SS
1441 Add AVFilterPicRef.pos field.
1442
343bfdd3 14432010-03-13 - 60c144f - lavu 50.12.0 - error.h
99de2b59
SS
1444 Move error code definitions from libavcodec/avcodec.h to
1445 the new public header libavutil/error.h.
1446
343bfdd3 14472010-03-07 - c709483 - lavc 52.56.0 - avfft.h
c7094831
MR
1448 Add public FFT interface.
1449
343bfdd3 14502010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()
c18fb631
SS
1451 Add av_stristr().
1452
343bfdd3 14532010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()
4b83fc0f
VS
1454 Add av_tree_enumerate().
1455
343bfdd3 14562010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()
fbef7a76
SS
1457 Add av_compare_ts().
1458
343bfdd3 14592010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()
e49407ee
SS
1460 Add sws_getCoefficients().
1461
343bfdd3 14622010-02-01 - ca76a11 - lavf 52.50.0 - metadata API
ca76a119
AK
1463 Add a list of generic tag names, change 'author' -> 'artist',
1464 'year' -> 'date'.
1465
343bfdd3 14662010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()
14ace37e
SS
1467 Add av_get_pix_fmt().
1468
343bfdd3 14692010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()
e49407ee
SS
1470 Change constness attributes of sws_scale() parameters.
1471
343bfdd3 14722010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()
2d187e23
SS
1473 Add a log_ctx parameter to avfilter_graph_config_links().
1474
343bfdd3 14752010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()
1c790092 1476 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
715cff9a 1477
343bfdd3 14782010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()
1e289b09
SS
1479 Change the avfilter_add_colorspace() signature, make it accept an
1480 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
1481
343bfdd3 14822010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()
a2b16627
SS
1483 Add avfilter_add_colorspace().
1484
343bfdd3 14852010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()
79c2f2d3
SS
1486 Add av_match_ext(), it should be used in place of match_ext().
1487
343bfdd3 14882010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()
bb1a8793
SS
1489 Add av_guess_format(), it should be used in place of guess_format().
1490
343bfdd3 14912009-12-13 - a181981 - lavf 52.43.0 - metadata API
16400da6
SS
1492 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
1493 AV_METADATA_DONT_STRDUP_VAL.
b8f11ec8 1494
343bfdd3 14952009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API
f69d394f 1496 Add av_d2str().
60a92a77 1497
343bfdd3 14982009-12-13 - 02b398e - lavc 52.42.0 - AVStream
f69d394f 1499 Add avg_frame_rate.
c3d15329 1500
343bfdd3 15012009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()
54c24216
SS
1502 Introduce the av_bmg_next() function.
1503
343bfdd3 15042009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()
11f6d098
SS
1505 Add a slice_dir parameter to avfilter_draw_slice().
1506
343bfdd3 15072009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter
7cab9a66
SS
1508 Remove the next field from AVFilter, this is not anymore required.
1509
343bfdd3 15102009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()
b5a683eb
SS
1511 Introduce the avfilter_next() function.
1512
343bfdd3 15132009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()
73e2247d
SS
1514 Change the signature of avfilter_register() to make it return an
1515 int. This is required since now the registration operation may fail.
1516
343bfdd3 15172009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h API
d0df2fcc
SS
1518 Make the pixdesc.h API public.
1519
343bfdd3 15202009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.next
290d4a44
SS
1521 Add a next field to AVFilter, this is used for simplifying the
1522 registration and management of the registered filters.
1523
343bfdd3 15242009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.description
54116673 1525 Add a description field to AVFilter.
01537e9f 1526
343bfdd3 15272009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()
027e85d8
SS
1528 Change the interface of avfilter_make_format_list() from
1529 avfilter_make_format_list(int n, ...) to
1530 avfilter_make_format_list(enum PixelFormat *pix_fmts).
1531
343bfdd3 15322009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()
c3b27a3d
SS
1533 Make avfilter_get_video_buffer() recursive and add the w and h
1534 parameters to it.
1535
343bfdd3 15362009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPic
227d1b98 1537 Add w and h fields to AVFilterPic.
04670366 1538
343bfdd3 15392009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size
b394438e
RB
1540 This is now an unsigned int instead of a signed int.
1541
343bfdd3 15422009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.pts
227d1b98
DB
1543 Add a pts field to AVSubtitle which gives the subtitle packet pts
1544 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
4bbe788a
RD
1545 not work right without this.
1546
343bfdd3 15472009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEY
227d1b98 1548 PKT_FLAG_KEY has been deprecated and will be dropped at the next
8f3f2e06
RD
1549 major version. Use AV_PKT_FLAG_KEY instead.
1550
343bfdd3 15512009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()
f988ce6c
1552 av_lockmgr_register() can be used to register a callback function
1553 that lavc (and in the future, libraries that depend on lavc) can use
1554 to implement mutexes. The application should provide a callback function
227d1b98
DB
1555 that implements the AV_LOCK_* operations described in avcodec.h.
1556 When the lock manager is registered, FFmpeg is guaranteed to behave
1557 correctly in a multi-threaded application.
f988ce6c 1558
343bfdd3 15592009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()
52bcc8e1
RP
1560 av_free_packet() is no longer an inline function. It is now exported.
1561
343bfdd3 15622009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
0c13bbf5
RD
1563 Please use NULL instead. This has been supported since r16506
1564 (lavf > 52.23.1, lavc > 52.10.0).
1565
343bfdd3 15662009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
2851d225
RB
1567 The old decoding functions are deprecated, all new code should use the
1568 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
1569 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
1570 argument instead of a const uint8_t *buf / int buf_size pair.
1571
343bfdd3 15722009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()
b1516707
SS
1573 Introduce the av_fifo_space() function.
1574
343bfdd3 15752009-04-02 - fabd246 - lavc 52.23.0 - AVPacket
dd3bbb49
SS
1576 Move AVPacket declaration from libavformat/avformat.h to
1577 libavcodec/avcodec.h.
1578
343bfdd3 15792009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formats
227d1b98
DB
1580 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
1581 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
1582 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
1583 PIX_FMT_BGR32_1 are now macros.
1584 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
f3370e14 1585 Re-sort the enum PixelFormat list accordingly.
5a43bbc3
SS
1586 This change breaks API/ABI backward compatibility.
1587
343bfdd3 15882009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
dd3bbb49
SS
1589 Add the enum PixelFormat values:
1590 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
1591 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
1592
343bfdd3 15932009-03-21 - ee6624e - lavu 50.0.0 - av_random*
c8f742ca
DB
1594 The Mersenne Twister PRNG implemented through the av_random* functions
1595 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
1596 instead.
1597
343bfdd3 15982009-03-08 - 41dd680 - lavu 50.0.0 - AVFifoBuffer
889cdae8
DB
1599 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
1600 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
1601 and av_fifo_realloc2.
1602 In addition, the order of the function arguments of av_fifo_generic_read
227d1b98 1603 was changed to match av_fifo_generic_write.
889cdae8
DB
1604 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
1605 applications, they may not use sizeof() or directly access members.
22d4f236 1606
343bfdd3 16072009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata API
889cdae8
DB
1608 Introduce a new metadata API (see av_metadata_get() and friends).
1609 The old API is now deprecated and should not be used anymore. This especially
429d6b21 1610 includes the following structure fields:
38ce707e
AJ
1611 - AVFormatContext.title
1612 - AVFormatContext.author
1613 - AVFormatContext.copyright
1614 - AVFormatContext.comment
1615 - AVFormatContext.album
1616 - AVFormatContext.year
1617 - AVFormatContext.track
1618 - AVFormatContext.genre
1619 - AVStream.language
1620 - AVStream.filename
1621 - AVProgram.provider_name
1622 - AVProgram.name
1623 - AVChapter.title