lavc: add codec parameters API
[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: 2015-08-28
6libavdevice: 2015-08-28
7libavfilter: 2015-08-28
8libavformat: 2015-08-28
9libavresample: 2015-08-28
10libswscale: 2015-08-28
11libavutil: 2015-08-28
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12
13
14API changes, most recent first:
7f4ec436 15
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162016-xx-xx - lavc 57.14.0 - avcodec.h
17 xxxxxxx - Add AVCodecParameters and its related API.
18
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192016-xx-xx - xxxxxxx - lavf 57.4.0 - avformat.h
20 Add AVFormatContext.protocol_whitelist and protocol_blacklist.
21 Add 'protocol_whitelist' and 'protocol_blacklist' private options for
22 avio_open2().
23
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242016-xx-xx - lavc 57.13.0 - avcodec.h
25 Add AVCodecContext.hw_frames_ctx.
26
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272016-xx-xx - lavfi 6.2.0 - avfilter.h
28 xxxxxxx avfilter.h - Add AVFilterLink.hw_frames_ctx.
29 xxxxxxx buffersrc.h - Add AVBufferSrcParameters and functions for handling it.
30
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312016-xx-xx - lavu 55.6.0
32 xxxxxxx buffer.h - Add av_buffer_pool_init2().
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33 xxxxxxx hwcontext.h - Add a new installed header hwcontext.h with a new API
34 for handling hwaccel frames.
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35 xxxxxxx hwcontext_cuda.h - Add a new installed header hwcontext_cuda.h with
36 CUDA-specific hwcontext definitions.
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37 xxxxxxx hwcontext_vdpau.h - Add a new installed header hwcontext_vdpau.h with
38 VDPAU-specific hwcontext definitions.
7bc780cd 39 xxxxxxx pixfmt.h - Add AV_PIX_FMT_CUDA.
721a4efc 40
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412016-xx-xx - xxxxxxx - lavf 57.3.0 - avformat.h
42 Add AVFormatContext.opaque, io_open and io_close, allowing custom IO
43 for muxers and demuxers that open additional files.
44
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452015-xx-xx - xxxxxxx - lavc 57.12.0 - avcodec.h
46 Add AVCodecDescriptor.profiles and avcodec_profile_name().
47
e02de9df 482015-xx-xx - xxxxxxx - lavc 57.11.0 - avcodec.h dirac.h
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49 xxxxxxx - Add av_packet_add_side_data().
50 xxxxxxx - Add AVCodecContext.coded_side_data.
f0b769c1 51 xxxxxxx - Add AVCPBProperties API.
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52 xxxxxxx - Add a new public header dirac.h containing
53 av_dirac_parse_sequence_header()
31c51f74 54
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552015-xx-xx - xxxxxxx - lavc 57.9.1 - avcodec.h
56 Deprecate rtp_callback without replacement, i.e. it won't be possible to
57 get image slices before the full frame is encoded any more. The libavformat
58 rtpenc muxer can still be used for RFC-2190 packetization.
59
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602015-11-xx - xxxxxxx - lavc 57.9.0 - avcodec.h
61 Add AV_PKT_DATA_FALLBACK_TRACK for making fallback associations between
62 streams.
63
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642015-11-xx - xxxxxxx - lavf 57.1.0 - avformat.h
65 Add av_stream_new_side_data().
66
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672015-11-xx - xxxxxxx - lavu 55.3.0 - xtea.h
68 Add av_xtea_le_init and av_xtea_le_crypt
69
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702015-11-xx - xxxxxxx - lavfi 6.1.0 - avfilter.h
71 Add a frame_rate field to AVFilterLink
72
a9a60106 732015-xx-xx - xxxxxxx - lavc 57.6.0 - avcodec.h
ab79ee12 74
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752015-xx-xx - lavc 57.7.0 - avcodec.h
76 xxxxxx - Deprecate av_free_packet(). Use av_packet_unref() as replacement,
77 it resets the packet in a more consistent way.
78 xxxxxx - Deprecate av_dup_packet(), it is a no-op for most cases.
79 Use av_packet_ref() to make a non-refcounted AVPacket refcounted.
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80 xxxxxx - Add av_packet_alloc(), av_packet_clone(), av_packet_free().
81 They match the AVFrame functions with the same name.
ce70f28a 82
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832015-xx-xx - xxxxxxx - lavc 57.5.0 - avcodec.h
84 Add data and linesize array to AVSubtitleRect, to be used instead of
85 the ones from the embedded AVPicture.
86
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872015-xx-xx - xxxxxxx - lavc 57.0.0 - qsv.h
88 Add an API for allocating opaque surfaces.
89
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902015-xx-xx - xxxxxxx - lavu 55.2.0 - dict.h
91 Change return type of av_dict_copy() from void to int, so that a proper
92 error code can be reported.
93
ac981d16 942015-09-29 - 948f3c1 - lavc 57.0.0 - avcodec.h
948f3c19 95 Change type of AVPacket.duration from int to int64_t.
96
ac981d16 972015-09-18 - e3d4784 - lavc 57.2.0 - d3d11va.h
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98 Add av_d3d11va_alloc_context(). This function must from now on be used for
99 allocating AVD3D11VAContext.
100
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1012015-09-07 - lavu 55.0.0
102 b8b5d82 - Change type of AVPixFmtDescriptor.flags from uint8_t to uint64_t.
103 6b3ef7f - Change type of AVComponentDescriptor fields from uint16_t to int
6b3ef7f0 104 and drop bit packing.
ac981d16 105 2268db2 - Add step, offset, and depth to AVComponentDescriptor to replace
2268db2c 106 the deprecated step_minus1, offset_plus1, and depth_minus1.
b8b5d827 107
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1082015-07-31 - lavu 54.17.0
109 7a7df34 - Add av_blowfish_alloc().
110 ae36545 - Add av_rc4_alloc().
111 5d8bea3 - Add av_xtea_alloc().
112 d9e8b47 - Add av_des_alloc().
7a7df34c 113
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1142015-07-29 - 7e38340 - lavu 54.16.0 - hmac.h
115 Add AV_HMAC_SHA224 and AV_HMAC_SHA256.
116
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1172015-07-27 - lavc 56.35.0 - avcodec.h
118 7c6eb0a - Rename CODEC_FLAG* defines to AV_CODEC_FLAG*.
119 def9785 - Rename CODEC_CAP_* defines to AV_CODEC_CAP_*.
120 059a934 - Rename FF_INPUT_BUFFER_PADDING_SIZE and FF_MIN_BUFFER_SIZE
121 to AV_INPUT_BUFFER_PADDING_SIZE and AV_INPUT_BUFFER_MIN_SIZE.
b94ec304 122
ac981d16 1232015-07-20 - 5d3addb - lavc 56.33.0 - avcodec.h
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124 Add AV_PKT_DATA_QUALITY_FACTOR to export the quality value of an AVPacket.
125
ac981d16 1262015-07-02 - 1316df7 - lavu 56.15.0
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127 Add av_version_info().
128
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1292015-07-01 - 0d449c8 - lavfi 5.1.0 - version.h
130 0f87f9b - lavd 55.2.0 - version.h
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131 Add library identification symbols, LIBAVFILTER_IDENT and LIBAVDEVICE_IDENT.
132
ac981d16 1332015-06-07 - 252d620 - lavf 56.20.0 - avio.h
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134 Add avio_put_str16be.
135
ac981d16 1362015-05-13 - f7cafb5 - lavu 54.14.0 - cpu.h
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137 Add AV_CPU_FLAG_AVXSLOW.
138
ac981d16 1392015-05-13 - e7c5e17 - lavc 56.23.0
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140 Add av_vda_default_init2.
141
ac981d16 1422015-04-19 - c253340 - lavu 54.12.0
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143 Add AV_LOG_TRACE for extremely verbose debugging.
144
ac981d16 1452015-04-07 - 27f2746 - lavu 54.11.0
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146 Add av_small_strptime().
147
ac981d16 1482015-03-29 - 6fe2641 - lavc 56.22.0
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149 Add FF_PROFILE_DTS_EXPRESS.
150
ac981d16 1512015-03-29 - c484561 - lavu 54.10.0
c4845616 152 Add AV_PIX_FMT_MMAL for MMAL hardware acceleration.
153
ac981d16 1542015-02-19 - 31d2039 - lavc 56.13
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155 Add width, height, coded_width, coded_height and format to
156 AVCodecParserContext.
157
ac981d16 1582015-02-19 - 5b1d9ce - lavu 54.9.0
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159 Add AV_PIX_FMT_QSV for QSV hardware acceleration.
160
faa8ffda 1612015-01-27 - 728685f - lavc 56.12.0, lavu 54.8.0 - avcodec.h, frame.h
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162 Add AV_PKT_DATA_AUDIO_SERVICE_TYPE and AV_FRAME_DATA_AUDIO_SERVICE_TYPE for
163 storing the audio service type as side data.
164
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1652015-01-14 - e2ad0b6 - lavu 54.6.0 - imgutils.h
166 Add utility functions for image manipulation: av_image_get_buffer_size()
167 av_image_fill_arrays() and av_image_copy_to_buffer().
168
1692014-12-25 - c220a60 - lavc 56.10.0 - vdpau.h
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170 Add av_vdpau_get_surface_parameters().
171
faa8ffda 1722014-12-25 - 6c99c92 - lavc 56.9.0 - avcodec.h
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173 Add AV_HWACCEL_FLAG_ALLOW_HIGH_DEPTH flag to av_vdpau_bind_context().
174
faa8ffda 1752014-12-25 - 57b6704 - lavc 56.8.0 - avcodec.h
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176 Add AVCodecContext.sw_pix_fmt.
177
faa8ffda 1782014-11-07 - 1384df6 - lavf 56.06.3 - avformat.h
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179 Add AVFormatContext.avoid_negative_ts.
180
faa8ffda 1812014-11-06 - 5e80fb7 - lavc 56.6.0 - vorbis_parser.h
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182 Add a public API for parsing vorbis packets.
183
faa8ffda 1842014-10-24 - 1bd0bdc - lavu 54.5.0 - time.h
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185 Add av_gettime_relative().
186
faa8ffda 1872014-10-15 - 7ea1b34 - lavc 56.5.0 - avcodec.h
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188 Replace AVCodecContext.time_base used for decoding
189 with AVCodecContext.framerate.
190
faa8ffda 1912014-10-15 - d565fef1- lavc 56.4.0 - avcodec.h
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192 Add AV_HWACCEL_FLAG_IGNORE_LEVEL flag to av_vdpau_bind_context().
193
faa8ffda 1942014-10-13 - 2df0c32 - lavc 56.03.0 - avcodec.h
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195 Add AVCodecContext.initial_padding. Deprecate the use of AVCodecContext.delay
196 for audio encoding.
197
faa8ffda 1982014-10-08 - 5a419b2 - lavu 54.04.0 - pixdesc.h
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199 Add API to return the name of frame and context color properties.
200
faa8ffda 2012014-10-06 - e3e158e - lavc 56.2.0 - vdpau.h
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202 Add av_vdpau_bind_context(). This function should now be used for creating
203 (or resetting) a AVVDPAUContext instead of av_vdpau_alloc_context().
204
faa8ffda 2052014-08-25 - b263f8f - lavf 56.03.0 - avformat.h
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206 Add AVFormatContext.max_ts_probe.
207
1eec9bfc 208------------------------------8<-------------------------------------
209 11 branch was cut here
210----------------------------->8--------------------------------------
211
2122014-08-28 - 9301486 - lavc 56.1.0 - avcodec.h
213 Add AV_PKT_DATA_STEREO3D to export container-level stereo3d information.
214
6ca11f71 2152014-08-13 - 8ddc326 - lavu 54.03.0 - mem.h
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216 Add av_strndup().
217
6ca11f71 2182014-08-13 - a8c104a - lavu 54.02.0 - opt.h
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219 Add av_opt_get_dict_val/set_dict_val with AV_OPT_TYPE_DICT to support
220 dictionary types being set as options.
221
6ca11f71 2222014-08-13 - afbd4b8 - lavf 56.01.0 - avformat.h
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223 Add AVFormatContext.event_flags and AVStream.event_flags for signaling to
224 the user when events happen in the file/stream.
225
6ca11f71 2262014-08-10 - fb1ddcd - lavr 2.1.0 - avresample.h
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227 Add avresample_convert_frame() and avresample_config().
228
6ca11f71 2292014-08-10 - fb1ddcd - lavu 54.1.0 - error.h
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230 Add AVERROR_INPUT_CHANGED and AVERROR_OUTPUT_CHANGED.
231
6ca11f71 2322014-08-08 - d35b94f - lavc 55.57.4 - avcodec.h
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233 Deprecate FF_IDCT_XVIDMMX define and xvidmmx idct option.
234 Replaced by FF_IDCT_XVID and xvid respectively.
235
6ca11f71 2362014-08-07 - bb78903 - lsws 2.1.3 - swscale.h
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237 sws_getCachedContext is not going to be removed in the future.
238
6ca11f71 2392014-08-07 - ad1ee5f - lavc 55.57.3 - avcodec.h
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240 reordered_opaque is not going to be removed in the future.
241
6ca11f71 2422014-08-04 - e9abafc - lavu 53.22.0 - pixfmt.h
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243 Add AV_PIX_FMT_YA16 pixel format for 16 bit packed gray with alpha.
244
6ca11f71 2452014-08-04 - e96c3b8 - lavu 53.21.1 - avstring.h
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246 Rename AV_PIX_FMT_Y400A to AV_PIX_FMT_YA8 to better identify the format.
247 An alias pixel format and color space name are provided for compatibility.
248
6ca11f71 2492014-08-04 - d2962e9 - lavu 53.21.0 - pixdesc.h
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250 Support name aliases for pixel formats.
251
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2522014-08-03 - 1ef9e83 - lavc 55.57.2 - avcodec.h
2532014-08-03 - 1ef9e83 - lavu 53.20.0 - frame.h
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254 Deprecate AVCodecContext.dtg_active_format and use side-data instead.
255
6ca11f71 2562014-08-03 - 9f17685 - lavc 55.57.1 - avcodec.h
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257 Deprecate unused FF_IDCT_IPP define and ipp avcodec option.
258 Deprecate unused FF_DEBUG_PTS define and pts avcodec option.
259 Deprecate unused FF_CODER_TYPE_DEFLATE define and deflate avcodec option.
260 Deprecate unused FF_DCT_INT define and int avcodec option.
261 Deprecate unused avcodec option scenechange_factor.
262
6ca11f71 2632014-07-29 - 69e7336 - lavu 53.19.0 - avstring.h
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264 Make name matching function from lavf public as av_match_name().
265
6ca11f71 2662014-07-28 - c5fca01 - lavc 55.57.0 - avcodec.h
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267 Add AV_CODEC_PROP_REORDER to mark codecs supporting frame reordering.
268
6ca11f71 2692014-07-09 - a54f03b - lavu 53.18.0 - display.h
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270 Add av_display_matrix_flip() to flip the transformation matrix.
271
6ca11f71 2722014-07-09 - f6ee61f - lavc 55.56.0 - dv_profile.h
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273 Add a public API for DV profile handling.
274
6ca11f71 2752014-06-20 - 9e500ef - lavu 53.17.0 - imgutils.h
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276 Add av_image_check_sar().
277
6ca11f71 2782014-06-20 - 874390e - lavc 55.55.0 - avcodec.h
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279 Add av_packet_rescale_ts() to simplify timestamp conversion.
280
6ca11f71 2812014-06-18 - 194be1f - lavf 55.20.0 - avformat.h
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282 The proper way for providing a hint about the desired timebase to the muxers
283 is now setting AVStream.time_base, instead of AVStream.codec.time_base as was
284 done previously. The old method is now deprecated.
285
6ca11f71 2862014-06-01 - 0957b27 - lavc 55.54.0 - avcodec.h
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287 Add AVCodecContext.side_data_only_packets to allow encoders to output packets
288 with only side data. This option may become mandatory in the future, so all
289 users are recommended to update their code and enable this option.
290
6ca11f71 2912014-06-01 - 8c02adc - lavu 53.16.0 - frame.h, pixfmt.h
8c02adc6 292 Move all color-related enums (AVColorPrimaries, AVColorSpace, AVColorRange,
293 AVColorTransferCharacteristic, and AVChromaLocation) inside lavu.
294 Add AVFrame fields for them on the next lavu major bump.
295
6ca11f71 2962014-05-28 - b2d4565 - lavr 1.3.0 - avresample.h
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297 Add avresample_max_output_samples
298
6ca11f71 2992014-05-28 - 6d21259 - lavf 55.19.0 - avformat.h
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300 Add strict_std_compliance and related AVOptions to support experimental
301 muxing.
302
6ca11f71 3032014-05-20 - c23c96b - lavf 55.18.0 - avformat.h
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304 Add av_stream_get_side_data() to access stream-level side data
305 in the same way as av_packet_get_side_data().
306
6ca11f71 3072014-05-19 - bddd8cb - lavu 53.15.0 - frame.h, display.h
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308 Add AV_FRAME_DATA_DISPLAYMATRIX for exporting frame-level
309 spatial rendering on video frames for proper display.
310
6ca11f71 3112014-05-19 - bddd8cb - lavc 55.53.0 - avcodec.h
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312 Add AV_PKT_DATA_DISPLAYMATRIX for exporting packet-level
313 spatial rendering on video frames for proper display.
314
6ca11f71 3152014-05-19 - a312f71 - lavf 55.17.1 - avformat.h
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316 Deprecate AVStream.pts and the AVFrac struct, which was its only use case.
317 Those fields were poorly defined and not meant to be public, so there is
318 no replacement for them.
319
33082af7 3202014-05-18 - fd05602 - lavc 55.52.0 - avcodec.h
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321 Add avcodec_free_context(). From now on it should be used for freeing
322 AVCodecContext.
323
33082af7 3242014-05-15 - 0c1959b - lavf 55.17.0 - avformat.h
56a721f0 325 Add AVFMT_FLAG_BITEXACT flag. Muxers now use it instead of checking
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326 CODEC_FLAG_BITEXACT on the first stream.
327
33082af7 3282014-05-11 - 66e6c8a - lavu 53.14.0 - pixfmt.h
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329 Add AV_PIX_FMT_VDA for new-style VDA acceleration.
330
33082af7 3312014-05-01 - a2941c8 - lavc 55.50.3 - avcodec.h
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332 Deprecate CODEC_FLAG_MV0. It is replaced by the flag "mv0" in the
333 "mpv_flags" private option of the mpegvideo encoders.
334
33082af7 3352014-05-01 - 6484149 - lavc 55.50.2 - avcodec.h
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336 Deprecate CODEC_FLAG_GMC. It is replaced by the "gmc" private option of the
337 libxvid encoder.
338
33082af7 3392014-05-01 - b2c3171 - lavc 55.50.1 - avcodec.h
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340 Deprecate CODEC_FLAG_NORMALIZE_AQP. It is replaced by the flag "naq" in the
341 "mpv_flags" private option of the mpegvideo encoders.
342
33082af7 3432014-05-01 - 5fcceda - avcodec.h
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344 Deprecate CODEC_FLAG_INPUT_PRESERVED. Its functionality is replaced by passing
345 reference-counted frames to encoders.
346
33082af7 3472014-04-28 - ed4b757 - lavc 55.50.0 - dxva2.h
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348 Add FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO for old Intel GPUs.
349
33082af7 3502014-04-22 - 502512e - lavu 53.13.0 - avutil.h
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351 Add av_get_time_base_q().
352
33082af7 3532014-04-17 - 0983d48 - lavu 53.12.0 - crc.h
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354 Add AV_CRC_16_ANSI_LE crc variant.
355
33082af7 3562014-04-07 - 8b17243 - lavu 53.11.0 - pixfmt.h
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357 Add AV_PIX_FMT_YVYU422 pixel format.
358
33082af7 3592014-04-04 - 8542f9c - lavu 53.10.0 - replaygain.h
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360 Full scale for peak values is now 100000 (instead of UINT32_MAX) and values
361 may overflow.
362
33082af7 3632014-04-03 - 7763118 - lavu 53.09.0 - log.h
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364 Add AV_LOG(c) macro to have 256 color debug messages.
365
33082af7 3662014-03-24 - d161ae0 - lavu 53.08.0 - frame.h
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367 Add av_frame_remove_side_data() for removing a single side data
368 instance from a frame.
369
33082af7 3702014-03-24 - 5a7e35d - lavu 53.07.0 - frame.h, replaygain.h
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371 Add AV_FRAME_DATA_REPLAYGAIN for exporting replaygain tags.
372 Add a new header replaygain.h with the AVReplayGain struct.
373
33082af7 3742014-03-24 - 5a7e35d - lavc 55.36.0 - avcodec.h
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375 Add AV_PKT_DATA_REPLAYGAIN for exporting replaygain tags.
376
33082af7 3772014-03-24 - 25b3258 - lavf 55.13.0 - avformat.h
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378 Add AVStream.side_data and AVStream.nb_side_data for exporting stream-global
379 side data (e.g. replaygain tags, video rotation)
380
33082af7 3812014-03-24 - 0e2c3ee - lavc 55.35.0 - avcodec.h
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382 Give the name AVPacketSideData to the previously anonymous struct used for
383 AVPacket.side_data.
384
33082af7 3852014-03-16 - 1481d24 - lavu 53.06.0 - pixfmt.h
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386 Add RGBA64 pixel format and variants.
387
33082af7 3882014-02-24 - 1155fd0 - lavu 53.05.0 - frame.h
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389 Add av_frame_copy() for copying the frame data.
390
33082af7 3912014-02-22 - 7e86c27 - lavr 1.2.0 - avresample.h
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392 Add avresample_is_open() for checking whether a resample context is open.
393
33082af7 3942014-02-19 - c3ecd96 - lavu 53.04.0 - opt.h
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395 Add AV_OPT_FLAG_EXPORT and AV_OPT_FLAG_READONLY to mark options meant (only)
396 for reading.
397
33082af7 3982014-02-19 - 6bb8720 - lavu 53.03.01 - opt.h
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399 Deprecate unused AV_OPT_FLAG_METADATA.
400
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401------------------------------8<-------------------------------------
402 10 branch was cut here
403----------------------------->8--------------------------------------
404
33082af7 4052014-02-15 - c98f316 - lavu 53.3.0 - frame.h
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406 Add AV_FRAME_DATA_DOWNMIX_INFO value to the AVFrameSideDataType enum and
407 downmix_info.h API, which identify downmix-related metadata.
408
d711d839 4092014-02-04 - d9ae103 - lavf 55.11.0 - avformat.h
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410 Add AVFormatContext.max_interleave_delta for controlling amount of buffering
411 when interleaving.
412
d711d839 4132014-01-20 - 93c553c - lavc 55.32.1 - avcodec.h
93c553c7
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414 Edges are not required anymore on video buffers allocated by get_buffer2()
415 (i.e. as if the CODEC_FLAG_EMU_EDGE flag was always on). Deprecate
416 CODEC_FLAG_EMU_EDGE and avcodec_get_edge_width().
417
d711d839 4182014-01-05 - 5b4797a - lavu 53.2.0 - frame.h
5b4797a2
TW
419 Add AV_FRAME_DATA_MATRIXENCODING value to the AVFrameSideDataType enum, which
420 identifies AVMatrixEncoding data.
421
d711d839 4222014-01-05 - 5c437fb - lavu 53.1.0 - channel_layout.h
5c437fb6
TW
423 Add values for various Dolby flags to the AVMatrixEncoding enum.
424
d711d839 4252013-12-20 - 2a41826 - lavc 55.30.0 - avcodec.h
2a41826b
GC
426 Add HEVC profiles
427
d711d839 4282013-12-11 - b9fb59d,9431356,d7b3ee9 - lavc 55.28.1 - avcodec.h
d7b3ee9a
AK
429 av_frame_alloc(), av_frame_unref() and av_frame_free() now can and should be
430 used instead of avcodec_alloc_frame(), avcodec_get_frame_defaults() and
431 avcodec_free_frame() respectively. The latter three functions are deprecated.
432
d711d839 4332013-12-09 - 7e244c6- - lavu 52.20.0 - frame.h
7e244c68
VG
434 Add AV_FRAME_DATA_STEREO3D value to the AVFrameSideDataType enum and
435 stereo3d.h API, that identify codec-independent stereo3d information.
436
d711d839 4372013-11-26 - 1eaac1d- - lavu 52.19.0 - frame.h
1eaac1d6
JS
438 Add AV_FRAME_DATA_A53_CC value to the AVFrameSideDataType enum, which
439 identifies ATSC A53 Part 4 Closed Captions data.
440
d711d839 4412013-11-14 - cce3e0a - lavu 52.18.0 - mem.h
cce3e0a4
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442 Move av_fast_malloc() and av_fast_realloc() for libavcodec to libavutil.
443
d711d839 4442013-11-14 - 8941971 - lavc 55.27.0 - avcodec.h
8941971a
AK
445 Deprecate AVCodecContext.error_rate, it is replaced by the 'error_rate'
446 private option of the mpegvideo encoder family.
447
d711d839 4482013-11-14 - 728c465 - lavc 55.26.0 - vdpau.h
ca22d1de 449 Add av_vdpau_get_profile().
728c4658
AK
450 Add av_vdpau_alloc_context(). This function must from now on be
451 used for allocating AVVDPAUContext.
ca22d1de 452
d711d839 4532013-11-04 - cd8f772 - lavc 55.25.0 - avcodec.h
cd8f772d
JE
454 Add ITU-R BT.2020 and other not yet included values to color primaries,
455 transfer characteristics and colorspaces.
456
48d1ed9c 4572013-10-31 - 28096e0 - lavu 52.17.0 - frame.h
28096e0a
JS
458 Add AVFrame.flags and AV_FRAME_FLAG_CORRUPT.
459
d711d839 4602013-09-28 - 0767bfd - lavfi 3.11.0 - avfilter.h
0767bfd1
AK
461 Add AVFilterGraph.execute and AVFilterGraph.opaque for custom slice threading
462 implementations.
463
d711d839 4642013-09-21 - e208e6d - lavu 52.16.0 - pixfmt.h
e208e6d2
KK
465 Add interleaved 4:2:2 8/10-bit formats AV_PIX_FMT_NV16 and
466 AV_PIX_FMT_NV20.
467
c38854c3 4682013-09-16 - 3feb3d6 - lavu 52.15.0 - mem.h
3feb3d6c
LB
469 Add av_reallocp.
470
c38854c3 4712013-08-10 - 5a9a9d4 - lavc 55.16.0 - avcodec.h
5a9a9d4a
LB
472 Extend AVPacket API with av_packet_unref, av_packet_ref,
473 av_packet_move_ref, av_packet_copy_props, av_packet_free_side_data.
474
c38854c3 4752013-08-05 - f824535 - lavc 55.13.0 - avcodec.h
f824535a
RDC
476 Deprecate the bitstream-related members from struct AVVDPAUContext.
477 The bistream buffers no longer need to be explicitly freed.
478
c38854c3 4792013-08-05 - 549294f - lavc 55.12.0 - avcodec.h
549294fb
RDC
480 Deprecate the CODEC_CAP_HWACCEL_VDPAU codec capability. Use CODEC_CAP_HWACCEL
481 and select the AV_PIX_FMT_VDPAU format with get_format() instead.
482
c38854c3 4832013-08-05 - a0ad5d0 - lavu 52.14.0 - pixfmt.h
a0ad5d01
RDC
484 Deprecate AV_PIX_FMT_VDPAU_*. Use AV_PIX_FMT_VDPAU instead.
485
c38854c3 4862013-08-02 - a8b1927 - lavc 55.11.0 - avcodec.h
a8b19271
YN
487 Add output_picture_number to AVCodecParserContext.
488
c38854c3 4892013-06-24 - 95d5246 - lavc 55.10.0 - avcodec.h
95d52464
KK
490 Add MPEG-2 AAC profiles
491
c38854c3 4922013-06-04 - fc962d4 - lavu 52.13.0 - mem.h
fc962d4e
MS
493 Add av_realloc_array and av_reallocp_array
494
c38854c3 4952013-05-24 - 129bb23 - lavfi 3.10.0 - avfilter.h
129bb238
AK
496 Add support for slice multithreading to lavfi. Filters supporting threading
497 are marked with AVFILTER_FLAG_SLICE_THREADS.
498 New fields AVFilterContext.thread_type, AVFilterGraph.thread_type and
499 AVFilterGraph.nb_threads (accessible directly or through AVOptions) may be
500 used to configure multithreading.
501
c38854c3 5022013-05-24 - 2a6eaea - lavu 52.12.0 - cpu.h
2a6eaeaa
AK
503 Add av_cpu_count() function for getting the number of logical CPUs.
504
c38854c3 5052013-05-24 - b493847 - lavc 55.7.0 - avcodec.h
b493847d
YN
506 Add picture_structure to AVCodecParserContext.
507
c38854c3 5082013-05-15 - e6c4ac7 - lavu 52.11.0 - pixdesc.h
e6c4ac7b
AK
509 Replace PIX_FMT_* flags with AV_PIX_FMT_FLAG_*.
510
c38854c3 5112013-04-03 - 507b1e4 - lavc 55.4.0 - avcodec.h
507b1e45
MT
512 Add field_order to AVCodecParserContext.
513
c38854c3 5142013-04-19 - 5e83d9a - lavc 55.2.0 - avcodec.h
5e83d9ac
AK
515 Add CODEC_FLAG_UNALIGNED to allow decoders to produce unaligned output.
516
35386fbf
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5172013-04-11 - lavfi 3.8.0
518 38f0c07 - Move all content from avfiltergraph.h to avfilter.h. Deprecate
519 avfilterhraph.h, user applications should include just avfilter.h
520 bc1a985 - Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
521 avfilter_graph_add_filter().
522 1113672 - Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
523 filter.
524 48a5ada - Add avfilter_init_str(), deprecate avfilter_init_filter().
525 1ba95a9 - Add avfilter_init_dict().
526 7cdd737 - Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.
527 7e8fe4b - Add avfilter_pad_count() for counting filter inputs/outputs.
528 fa2a34c - Add avfilter_next(), deprecate av_filter_next().
529 Deprecate avfilter_uninit().
530
5312013-04-09 - lavfi 3.7.0 - avfilter.h
532 b439c99 - Add AVFilter.priv_class for exporting filter options through the
533 AVOptions API in the similar way private options work in lavc and lavf.
534 8114c10 - Add avfilter_get_class().
cdac3acb
AK
535 Switch all filters to use AVOptions.
536
35386fbf 5372013-03-19 - 2c328a9 - lavu 52.9.0 - pixdesc.h
2c328a90
AK
538 Add av_pix_fmt_count_planes() function for counting planes in a pixel format.
539
35386fbf 5402013-03-16 - 42c7c61 - lavfi 3.6.0
42c7c61a
AK
541 Add AVFilterGraph.nb_filters, deprecate AVFilterGraph.filter_count.
542
35386fbf 5432013-03-08 - Reference counted buffers - lavu 52.8.0, lavc 55.0.0, lavf 55.0.0,
d8b31be6 544lavd 54.0.0, lavfi 3.5.0
35386fbf 545 8e401db, 1cec062 - add a new API for reference counted buffers and buffer
d8b31be6 546 pools (new header libavutil/buffer.h).
35386fbf 547 1afddbe - add AVPacket.buf to allow reference counting for the AVPacket data.
d8b31be6
AK
548 Add av_packet_from_data() function for constructing packets from
549 av_malloc()ed data.
35386fbf 550 7ecc2d4 - move AVFrame from lavc to lavu (new header libavutil/frame.h), add
d8b31be6
AK
551 AVFrame.buf/extended_buf to allow reference counting for the AVFrame
552 data. Add new API for working with reference-counted AVFrames.
35386fbf 553 759001c - add the refcounted_frames field to AVCodecContext to make audio and
d8b31be6
AK
554 video decoders return reference-counted frames. Add get_buffer2()
555 callback to AVCodecContext which allocates reference-counted frames.
556 Add avcodec_default_get_buffer2() as the default get_buffer2()
557 implementation.
558 Deprecate AVCodecContext.get_buffer() / release_buffer() /
559 reget_buffer(), avcodec_default_get_buffer(),
560 avcodec_default_reget_buffer(), avcodec_default_release_buffer().
561 Remove avcodec_default_free_buffers(), which should not have ever
562 been called from outside of lavc.
563 Deprecate the following AVFrame fields:
564 * base -- is now stored in AVBufferRef
565 * reference, type, buffer_hints -- are unnecessary in the new API
566 * hwaccel_picture_private, owner, thread_opaque -- should not
567 have been acessed from outside of lavc
568 * qscale_table, qstride, qscale_type, mbskip_table, motion_val,
569 mb_type, dct_coeff, ref_index -- mpegvideo-specific tables,
570 which are not exported anymore.
35386fbf 571 7e35037 - switch libavfilter to use AVFrame instead of AVFilterBufferRef. Add
d8b31be6
AK
572 av_buffersrc_add_frame(), deprecate av_buffersrc_buffer().
573 Add av_buffersink_get_frame() and av_buffersink_get_samples(),
574 deprecate av_buffersink_read() and av_buffersink_read_samples().
575 Deprecate AVFilterBufferRef and all functions for working with it.
576
35386fbf 5772013-03-17 - 12c5c1d - lavu 52.8.0 - avstring.h
12c5c1d3
RD
578 Add av_isdigit, av_isgraph, av_isspace, av_isxdigit.
579
35386fbf 5802013-02-23 - 9f12235 - lavfi 3.4.0 - avfiltergraph.h
9f122356
JR
581 Add resample_lavr_opts to AVFilterGraph for setting libavresample options
582 for auto-inserted resample filters.
583
35386fbf 5842013-01-25 - 38c1466 - lavu 52.7.0 - dict.h
38c1466c
JR
585 Add av_dict_parse_string() to set multiple key/value pairs at once from a
586 string.
587
35386fbf 5882013-01-25 - b85a5e8 - lavu 52.6.0 - avstring.h
b85a5e87
VP
589 Add av_strnstr()
590
35386fbf 5912013-01-15 - 8ee288d - lavu 52.5.0 - hmac.h
8ee288d2
MS
592 Add AVHMAC.
593
35386fbf 5942013-01-13 - 44e065d - lavc 54.36.0 - vdpau.h
44e065d5
RDC
595 Add AVVDPAUContext struct for VDPAU hardware-accelerated decoding.
596
f89466ad
DB
5972013-01-12 - 169fb94 - lavu 52.4.0 - pixdesc.h
598 Add AV_PIX_FMT_VDPAU flag.
599
142c3909 6002013-01-07 - 074a00d - lavr 1.1.0
074a00d1
JR
601 Add avresample_set_channel_mapping() for input channel reordering,
602 duplication, and silencing.
603
cca4742a
AK
604------------------------------8<-------------------------------------
605 9 branch was cut here
606----------------------------->8--------------------------------------
607
40d43d25
LB
6082012-12-29 - lavu 52.3.0
609 d8fd06c - Add av_basename() and av_dirname().
610 c1a02e8 - Add av_pix_fmt_get_chroma_sub_sample and deprecate
611 avcodec_get_chroma_sub_sample.
d8fd06c3 612
142c3909 6132012-11-11 - 5980f5d - lavu 52.2.0 - audioconvert.h
5980f5dd
JR
614 Rename audioconvert.h to channel_layout.h. audioconvert.h is now deprecated.
615
142c3909 6162012-11-05 - dfde8a3 - lavu 52.1.0 - intmath.h
dfde8a34
JR
617 Add av_ctz() for trailing zero bit count
618
142c3909 6192012-10-21 - a893655 - lavu 51.45.0 - error.h
a893655b
NC
620 Add AVERROR_EXPERIMENTAL
621
142c3909 6222012-10-12 - d2fcb35 - lavu 51.44.0 - pixdesc.h
d2fcb356
AK
623 Add functions for accessing pixel format descriptors.
624 Accessing the av_pix_fmt_descriptors array directly is now
625 deprecated.
626
142c3909 6272012-10-11 - 9a92aea - lavu 51.43.0 - aes.h, md5.h, sha.h, tree.h
9a92aea2
MS
628 Add functions for allocating the opaque contexts for the algorithms,
629 deprecate the context size variables.
630
142c3909 6312012-10-10 - b522000 - lavf 54.18.0 - avio.h
b522000e
LB
632 Add avio_closep to complement avio_close.
633
142c3909 6342012-10-08 - 78071a1 - lavu 51.42.0 - pixfmt.h
78071a14
AK
635 Rename PixelFormat to AVPixelFormat and all PIX_FMT_* to AV_PIX_FMT_*.
636 To provide backwards compatibility, PixelFormat is now #defined as
637 AVPixelFormat.
638 Note that this can break user code that includes pixfmt.h and uses the
639 'PixelFormat' identifier. Such code should either #undef PixelFormat
640 or stop using the PixelFormat name.
641
2f49e3da 6422012-10-05 - e7ba5b1 - lavr 1.0.0 - avresample.h
006afc7a
AK
643 Data planes parameters to avresample_convert() and
644 avresample_read() are now uint8_t** instead of void**.
645 Libavresample is now stable.
646
2f49e3da 6472012-09-24 - a42aada - lavc 54.28.0 - avcodec.h
a42aadab
AK
648 Add avcodec_free_frame(). This function must now
649 be used for freeing an AVFrame.
650
2f49e3da 6512012-09-12 - 8919fee - lavu 51.41.0 - audioconvert.h
8919fee7
TW
652 Added AV_CH_LOW_FREQUENCY_2 channel mask value.
653
2f49e3da 6542012-09-04 - 686a329 - lavu 51.40.0 - opt.h
686a3293
MS
655 Reordered the fields in default_val in AVOption, changed which
656 default_val field is used for which AVOptionType.
657
2f49e3da 6582012-08-30 - a231832 - lavc 54.26.1 - avcodec.h
a2318326
AK
659 Add codec descriptor properties AV_CODEC_PROP_LOSSY and
660 AV_CODEC_PROP_LOSSLESS.
661
7b44061f
AK
6622012-08-18 - lavc 54.26 - avcodec.h
663 Add codec descriptors for accessing codec properties without having
664 to refer to a specific decoder or encoder.
665
666 c223d79 - Add an AVCodecDescriptor struct and functions
667 avcodec_descriptor_get() and avcodec_descriptor_next().
668 51efed1 - Add AVCodecDescriptor.props and AV_CODEC_PROP_INTRA_ONLY.
669 91e59fe - Add avcodec_descriptor_get_by_name().
670
671
6722012-08-08 - 1d9c2dc - lavu 51.39 - avutil.h
1d9c2dc8
MS
673 Don't implicitly include libavutil/common.h in avutil.h
674
7b44061f 6752012-08-08 - 987170c - lavu 51.38 - dict.h
987170cb
MR
676 Add av_dict_count().
677
7b44061f 6782012-08-07 - 104e10f - lavc 54.25 - avcodec.h
104e10fb 679 Rename CodecID to AVCodecID and all CODEC_ID_* to AV_CODEC_ID_*.
2ff67c90
AK
680 To provide backwards compatibility, CodecID is now #defined as AVCodecID.
681 Note that this can break user code that includes avcodec.h and uses the
682 'CodecID' identifier. Such code should either #undef CodecID or stop using the
683 CodecID name.
104e10fb 684
7b44061f 6852012-08-03 - 239fdf1 - lavu 51.37.1 - cpu.h
239fdf1b
DB
686 lsws 2.1.1 - swscale.h
687 Rename AV_CPU_FLAG_MMX2 ---> AV_CPU_FLAG_MMXEXT.
688 Rename SWS_CPU_CAPS_MMX2 ---> SWS_CPU_CAPS_MMXEXT.
689
7b44061f 6902012-07-29 - 681ed00 - lavf 54.13.0 - avformat.h
681ed000
LB
691 Add AVFMT_FLAG_NOBUFFER for low latency use cases.
692
7b44061f 6932012-07-20 - b70d89a - lavfi 3.0.0 - avfilter.h
b70d89a0
RN
694 Add avfilter_unref_bufferp().
695
45ff9e5b 6962012-07-10 - 5fade8a - lavu 51.37.0
f3e5e6f0
LB
697 Add av_malloc_array() and av_mallocz_array()
698
45ff9e5b 6992012-06-22 - d3d3a32 - lavu 51.34.0
d3d3a32c
MR
700 Add av_usleep()
701
dc7e336c
MR
7022012-06-20 - ae0a301 - lavu 51.33.0
703 Move av_gettime() to libavutil, add libavutil/time.h
704
45ff9e5b 7052012-06-09 - 3971be0 - lavr 0.0.3
3971be0e
JS
706 Add a parameter to avresample_build_matrix() for Dolby/DPLII downmixing.
707
45ff9e5b 7082012-06-12 - 9baeff9 - lavfi 2.23.0 - avfilter.h
9baeff95
AK
709 Add AVFilterContext.nb_inputs/outputs. Deprecate
710 AVFilterContext.input/output_count.
711
45ff9e5b 7122012-06-12 - 84b9fbe - lavfi 2.22.0 - avfilter.h
84b9fbe0
AK
713 Add avfilter_pad_get_type() and avfilter_pad_get_name(). Those
714 should now be used instead of accessing AVFilterPad members
715 directly.
716
45ff9e5b 7172012-06-12 - b0f0dfc - lavu 51.32.0 - audioconvert.h
b0f0dfc4
AK
718 Add av_get_channel_layout_channel_index(), av_get_channel_name()
719 and av_channel_layout_extract_channel().
720
45ff9e5b 7212012-05-25 - 154486f - lavu 51.31.0 - opt.h
154486f9
SP
722 Add av_opt_set_bin()
723
45ff9e5b 7242012-05-26 - e9cef89 - lavf 54.3.0
e9cef897
JZ
725 Add AVFMT_TS_NONSTRICT format flag to indicate that a muxer supports
726 non-increasing monotone timestamps.
727
d89eca50
AK
7282012-05-15 - lavfi 2.17.0
729 Add support for audio filters
730 ac71230/a2cd9be - add video/audio buffer sink in a new installed
731 header buffersink.h
732 720c6b7 - add av_buffersrc_write_frame(), deprecate
733 av_vsrc_buffer_add_frame()
734 ab16504 - add avfilter_copy_buf_props()
735 9453c9e - add extended_data to AVFilterBuffer
736 1b8c927 - add avfilter_get_audio_buffer_ref_from_arrays()
737
7382012-05-09 - lavu 51.30.0 - samplefmt.h
739 142e740 - add av_samples_copy()
740 6d7f617 - add av_samples_set_silence()
741
7422012-05-09 - a5117a2 - lavc 54.13.1
a5117a24
AK
743 For audio formats with fixed frame size, the last frame
744 no longer needs to be padded with silence, libavcodec
745 will handle this internally (effectively all encoders
746 behave as if they had CODEC_CAP_SMALL_LAST_FRAME set).
747
d89eca50 7482012-05-07 - 828bd08 - lavc 54.13.0 - avcodec.h
828bd088
AK
749 Add sample_rate and channel_layout fields to AVFrame.
750
d89eca50 7512012-05-01 - 4010d72 - lavr 0.0.1
4010d724
JR
752 Change AV_MIX_COEFF_TYPE_Q6 to AV_MIX_COEFF_TYPE_Q8.
753
f7ff0999 7542012-04-25 - 3527a73 - lavu 51.29.0 - cpu.h
3527a739
MR
755 Add av_parse_cpu_flags()
756
f7ff0999 7572012-04-24 - c8af852 - lavr 0.0.0
c8af852b
JR
758 Add libavresample audio conversion library
759
f7ff0999 7602012-04-20 - 0c0d1bc - lavu 51.28.0 - audio_fifo.h
0c0d1bce
JR
761 Add audio FIFO functions:
762 av_audio_fifo_free()
763 av_audio_fifo_alloc()
764 av_audio_fifo_realloc()
765 av_audio_fifo_write()
766 av_audio_fifo_read()
767 av_audio_fifo_drain()
768 av_audio_fifo_reset()
769 av_audio_fifo_size()
770 av_audio_fifo_space()
771
f7ff0999
JR
7722012-04-14 - lavfi 2.16.0 - avfiltergraph.h
773 d7bcc71 Add avfilter_graph_parse2().
774 91d3cbe Add avfilter_inout_alloc() and avfilter_inout_free().
91d3cbe0 775
f7ff0999 7762012-04-08 - 4d693b0 - lavu 51.27.0 - samplefmt.h
4d693b02
JR
777 Add av_get_packed_sample_fmt() and av_get_planar_sample_fmt()
778
f7ff0999 7792012-04-05 - 5cc51a5 - lavu 51.26.0 - audioconvert.h
5cc51a58
JR
780 Add av_get_default_channel_layout()
781
bf5f46b4
JG
7822012-03-20 - 3c90cc2 - lavfo 54.2.0
783 Deprecate av_read_packet(), use av_read_frame() with
784 AVFMT_FLAG_NOPARSE | AVFMT_FLAG_NOFILLIN in AVFormatContext.flags
785
5d20e7b7 7862012-03-06 - 4d851f8 - lavu 51.25.0 - cpu.h
4d851f8d
AK
787 Add av_set_cpu_flags_mask().
788
5d20e7b7
AK
7892012-03-05 - lavc 54.8.0
790 6699d07 Add av_get_exact_bits_per_sample()
791 9524cf7 Add av_get_audio_frame_duration()
9524cf79 792
5d20e7b7 7932012-03-04 - 44fe77b - lavc 54.7.0 - avcodec.h
44fe77b3
AK
794 Add av_codec_is_encoder/decoder().
795
5d20e7b7 7962012-03-01 - 442c132 - lavc 54.3.0 - avcodec.h
442c1320
MS
797 Add av_packet_shrink_side_data.
798
5d20e7b7 7992012-02-29 - dd2a4bc - lavf 54.2.0 - avformat.h
32253747
AK
800 Add AVStream.attached_pic and AV_DISPOSITION_ATTACHED_PIC,
801 used for dealing with attached pictures/cover art.
802
f5f5b154 8032012-02-25 - c9bca80 - lavu 51.24.0 - error.h
c9bca801 804 Add AVERROR_UNKNOWN
75bdd55e 805 NOTE: this was backported to 0.8
c9bca801 806
f5f5b154 8072012-02-20 - e9cda85 - lavc 54.2.0
e9cda853
JR
808 Add duration field to AVCodecParserContext
809
f5f5b154 8102012-02-20 - 0b42a93 - lavu 51.23.1 - mathematics.h
0b42a938
JR
811 Add av_rescale_q_rnd()
812
f5f5b154 8132012-02-08 - 38d5533 - lavu 51.22.1 - pixdesc.h
38d55332
AK
814 Add PIX_FMT_PSEUDOPAL flag.
815
f5f5b154 8162012-02-08 - 52f82a1 - lavc 54.01.0
52f82a11
AK
817 Add avcodec_encode_video2() and deprecate avcodec_encode_video().
818
fcc518a0 8192012-02-01 - 316fc74 - lavc 54.01.0
316fc744
JG
820 Add av_fast_padded_malloc() as alternative for av_realloc() when aligned
821 memory is required. The buffer will always have FF_INPUT_BUFFER_PADDING_SIZE
822 zero-padded bytes at the end.
823
fcc518a0 8242012-01-31 - dd6d3b0 - lavf 54.01.0
dd6d3b0e 825 Add avformat_get_riff_video_tags() and avformat_get_riff_audio_tags().
75bdd55e 826 NOTE: this was backported to 0.8
dd6d3b0e 827
fcc518a0 8282012-01-31 - af08d9a - lavc 54.01.0
af08d9ae 829 Add avcodec_is_open() function.
75bdd55e 830 NOTE: this was backported to 0.8
af08d9ae 831
fcc518a0 8322012-01-30 - 8b93312 - lavu 51.22.0 - intfloat.h
8b933129
PM
833 Add a new installed header libavutil/intfloat.h with int/float punning
834 functions.
75bdd55e 835 NOTE: this was backported to 0.8
8b933129 836
6cb28829
MS
8372012-01-25 - lavf 53.22.0
838 f1caf01 Allow doing av_write_frame(ctx, NULL) for flushing possible
839 buffered data within a muxer. Added AVFMT_ALLOW_FLUSH for
840 muxers supporting it (av_write_frame makes sure it is called
841 only for muxers with this flag).
842
75bdd55e
AK
843------------------------------8<-------------------------------------
844 0.8 branch was cut here
845----------------------------->8--------------------------------------
846
7512bb74 8472012-01-15 - lavc 53.34.0
a6ccae3f 848 New audio encoding API:
7512bb74 849 b2c75b6 Add CODEC_CAP_VARIABLE_FRAME_SIZE capability for use by audio
a6ccae3f 850 encoders.
7512bb74
AK
851 5ee5fa0 Add avcodec_fill_audio_frame() as a convenience function.
852 b2c75b6 Add avcodec_encode_audio2() and deprecate avcodec_encode_audio().
a6ccae3f
JR
853 Add AVCodec.encode2().
854
7512bb74 8552012-01-12 - 3167dc9 - lavfi 2.15.0
3167dc95
AK
856 Add a new installed header -- libavfilter/version.h -- with version macros.
857
c04a954d
JG
8582011-01-03 - b73ec05 - lavu 51.21.0
859 Add av_popcount64
860
06e8d38f
AK
8612011-12-25 - lavfi 2.14.0
862 e1d9dbf Add a new installed header - buffersrc.h
863 It contains a new function av_buffersrc_buffer() that allows passing
864 frames to the 'buffer' filter, but unlike av_vsrc_buffer_add_frame()
865 it allows for direct rendering.
866 1c9e340 Add avfilter_copy_frame_props() for copying properties from
867 AVFrame to AVFilterBufferRef.
868
8692011-12-25 - lavc 53.31.0
870 Add the following new fields to AVFrame:
871 b58dbb5 sample_aspect_ratio
872 3a2ddf7 width, height
873 8a4a5f6 format
874
2a216ca2 8752011-12-18 - 8400b12 - lavc 53.28.1
8400b126
MR
876 Deprecate AVFrame.age. The field is unused.
877
c04a954d
JG
8782011-12-12 - 5266045 - lavf 53.17.0
879 Add avformat_close_input().
52660454
AK
880 Deprecate av_close_input_file() and av_close_input_stream().
881
f134b5ec
VG
8822011-12-09 - b2890f5 - lavu 51.20.0 - audioconvert.h
883 Expand the channel layout list.
884
c04a954d 8852011-12-02 - 0eea212 - lavc 53.25.0
0eea2129
JR
886 Add nb_samples and extended_data fields to AVFrame.
887 Deprecate AVCODEC_MAX_AUDIO_FRAME_SIZE.
888 Deprecate avcodec_decode_audio3() in favor of avcodec_decode_audio4().
889 avcodec_decode_audio4() writes output samples to an AVFrame, which allows
890 audio decoders to use get_buffer().
891
c04a954d 8922011-12-04 - 560f773 - lavc 53.24.0
560f773c
JR
893 Change AVFrame.data[4]/base[4]/linesize[4]/error[4] to [8] at next major bump.
894 Change AVPicture.data[4]/linesize[4] to [8] at next major bump.
895 Change AVCodecContext.error[4] to [8] at next major bump.
896 Add AV_NUM_DATA_POINTERS to simplify the bump transition.
897
f134b5ec
VG
8982011-11-24 - lavu 51.19.0
899 bd97b2e - add planar RGB pixel formats
900 6b0768e - add PIX_FMT_PLANAR and PIX_FMT_RGB pixel descriptions
901
b94a3b28 9022011-11-23 - bbb46f3 - lavu 51.18.0
bbb46f3e
JR
903 Add av_samples_get_buffer_size(), av_samples_fill_arrays(), and
904 av_samples_alloc(), to samplefmt.h.
905
b94a3b28 9062011-11-23 - 8889cc4 - lavu 51.17.0
8889cc4f
JR
907 Add planar sample formats and av_sample_fmt_is_planar() to samplefmt.h.
908
b94a3b28 9092011-11-19 - f3a29b7 - lavc 53.21.0
f3a29b75
JR
910 Move some AVCodecContext fields to a new private struct, AVCodecInternal,
911 which is accessed from a new field, AVCodecContext.internal.
912 - fields moved:
913 AVCodecContext.internal_buffer --> AVCodecInternal.buffer
914 AVCodecContext.internal_buffer_count --> AVCodecInternal.buffer_count
915 AVCodecContext.is_copy --> AVCodecInternal.is_copy
916
b94a3b28
MR
9172011-11-16 - 6270671 - lavu 51.16.0
918 Add av_timegm()
919
f872e4d0
AK
9202011-11-13 - lavf 53.15.0
921 New interrupt callback API, allowing per-AVFormatContext/AVIOContext
922 interrupt callbacks.
923 6aa0b98 Add AVIOInterruptCB struct and the interrupt_callback field to
924 AVFormatContext.
925 1dee0ac Add avio_open2() with additional parameters. Those are
926 an interrupt callback and an options AVDictionary.
927 This will allow passing AVOptions to protocols after lavf
928 54.0.
929
eacec07e 9302011-11-06 - ba04ecf - lavu 51.14.0
ba04ecfd
RD
931 Add av_strcasecmp() and av_strncasecmp() to avstring.h.
932
eacec07e 9332011-11-06 - 07b172f - lavu 51.13.0
07b172fe
LB
934 Add av_toupper()/av_tolower()
935
eacec07e 9362011-11-05 - b6d08f4 - lavf 53.13.0
c9b309e8 937 Add avformat_network_init()/avformat_network_deinit()
b6d08f40 938
eacec07e 9392011-10-27 - 512557b - lavc 53.15.0
512557b2
JR
940 Remove avcodec_parse_frame.
941 Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.
942
eacec07e 9432011-10-19 - 569129a - lavf 53.10.0
569129a6
AK
944 Add avformat_new_stream(). Deprecate av_new_stream().
945
eacec07e 9462011-10-13 - b631fba - lavf 53.9.0
b631fba9
JR
947 Add AVFMT_NO_BYTE_SEEK AVInputFormat flag.
948
492bd1a2
AK
9492011-10-12 - lavu 51.12.0
950 AVOptions API rewrite.
951
952 - 145f741 FF_OPT_TYPE* renamed to AV_OPT_TYPE_*
953 - new setting/getting functions with slightly different semantics:
954 dac66da av_set_string3 -> av_opt_set
955 av_set_double -> av_opt_set_double
956 av_set_q -> av_opt_set_q
957 av_set_int -> av_opt_set_int
958
959 41d9d51 av_get_string -> av_opt_get
960 av_get_double -> av_opt_get_double
961 av_get_q -> av_opt_get_q
962 av_get_int -> av_opt_get_int
963
964 - 8c5dcaa trivial rename av_next_option -> av_opt_next
965 - 641c7af new functions - av_opt_child_next, av_opt_child_class_next
966 and av_opt_find2()
967
7f9b0ef9 9682011-09-03 - fb4ca26 - lavc 53.10.0
fb4ca26b
AK
969 lavf 53.6.0
970 lsws 2.1.0
971 Add {avcodec,avformat,sws}_get_class().
972
7f9b0ef9 9732011-09-03 - c11fb82 - lavu 51.10.0
c11fb828
AK
974 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
975
96d8e18a
JN
9762011-08-26 - lavu 51.9.0
977 - f2011ed Add av_fifo_peek2(), deprecate av_fifo_peek().
978 - add41de..abc78a5 Do not include intfloat_readwrite.h,
979 mathematics.h, rational.h, pixfmt.h, or log.h from avutil.h.
f2011ed2 980
7f9b0ef9 9812011-08-16 - 48f9e45 - lavf 53.4.0
48f9e457
AK
982 Add avformat_query_codec().
983
7f9b0ef9 9842011-08-16 - bca06e7 - lavc 53.8.0
bca06e77
AK
985 Add avcodec_get_type().
986
e3a70c7c
DB
9872011-08-06 - 2f63440 - lavf 53.4.0
988 Add error_recognition to AVFormatContext.
989
5038f9b2
LB
9902011-08-02 - 9d39cbf - lavc 53.7.1
991 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
992
6cb11979 9932011-07-10 - a67c061 - lavf 53.3.0
f2f523ff 994 Add avformat_find_stream_info(), deprecate av_find_stream_info().
9c47f2b2 995 NOTE: this was backported to 0.7
f2f523ff 996
6cb11979 9972011-07-10 - 0b950fe - lavc 53.6.0
f2f523ff 998 Add avcodec_open2(), deprecate avcodec_open().
9c47f2b2
AK
999 NOTE: this was backported to 0.7
1000
44911f29
AK
1001 Add avcodec_alloc_context3. Deprecate avcodec_alloc_context() and
1002 avcodec_alloc_context2().
f2f523ff 1003
6cb11979 10042011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
67e9ae14
MS
1005 Add av_printf_format().
1006
9c47f2b2
AK
1007------------------------------8<-------------------------------------
1008 0.7 branch was cut here
1009----------------------------->8--------------------------------------
1010
6cb11979 10112011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
7c44d716
AK
1012 Add avformat_open_input and avformat_write_header().
1013 Deprecate av_open_input_stream, av_open_input_file,
1014 AVFormatParameters and av_write_header.
1015
6cb11979 10162011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
7c44d716
AK
1017 Add av_opt_set_dict() and av_opt_find().
1018 Deprecate av_find_opt().
1019 Add AV_DICT_APPEND flag.
1020
6cb11979 10212011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
cb7c11cc
MS
1022 Add av_opt_flag_is_set().
1023
6cb11979 10242011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata
d9f80ea2
AK
1025 Move AVMetadata from lavf to lavu and rename it to
1026 AVDictionary -- new installed header dict.h.
1027 All av_metadata_* functions renamed to av_dict_*.
1028
1397ac0a 10292011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
a6703faa
SS
1030 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
1031 Deprecate av_get_bits_per_sample_fmt().
1032
6cb11979 10332011-06-05 - b39b062 - lavu 51.3.0 - opt.h
b39b0623
AK
1034 Add av_opt_free convenience function.
1035
04de5bf5 10362011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
8f653e28
SS
1037 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
1038 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
1039
19a686b8 10402011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
30315a8d
AC
1041 Add fps_probe_size to AVFormatContext.
1042
41e21e4d 10432011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
00e5da89
JR
1044 Add request_sample_fmt field to AVCodecContext.
1045
36dc49b7 10462011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
188dea1d
AK
1047 Deprecate AVLPCType and the following fields in
1048 AVCodecContext: lpc_coeff_precision, prediction_order_method,
1049 min_partition_order, max_partition_order, lpc_type, lpc_passes.
1050 Corresponding FLAC encoder options should be used instead.
1051
36dc49b7 10522011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
bebe72f4
SS
1053 Add AVPictureType enum and av_get_picture_type_char(), deprecate
1054 FF_*_TYPE defines and av_get_pict_type_char() defined in
1055 libavcodec/avcodec.h.
1056
36dc49b7 10572011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
10d39405
RPM
1058 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
1059
36dc49b7 10602011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
7a11c82f
MN
1061 Add sample_aspect_ratio fields to vsrc_buffer arguments
1062
b4a53314 10632011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
94f7451a
RB
1064 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
1065
aad2f2f4
K
10662011-04-15 - lavc 52.120.0 - avcodec.h
1067 AVPacket structure got additional members for passing side information:
1068 4de339e introduce side information for AVPacket
1069 2d8591c make containers pass palette change in AVPacket
1070
86a89ae3
AK
10712011-04-12 - lavf 52.107.0 - avio.h
1072 Avio cleanup, part II - deprecate the entire URLContext API:
1073 175389c add avio_check as a replacement for url_exist
1074 ff1ec0c add avio_pause and avio_seek_time as replacements
1075 for _av_url_read_fseek/fpause
1076 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
1077 should be used instead.
1078 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
1079 f87b1b3 rename open flags: URL_* -> AVIO_*
1080 f8270bb add avio_enum_protocols.
1081 5593f03 deprecate URLProtocol.
1082 c486dad deprecate URLContext.
1083 026e175 deprecate the typedef for URLInterruptCB
1084 8e76a19 deprecate av_register_protocol2.
1085 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
1086 1305d93 deprecate av_url_read_seek
1087 fa104e1 deprecate av_url_read_pause
1088 727c7aa deprecate url_get_filename().
1089 5958df3 deprecate url_max_packet_size().
1090 1869ea0 deprecate url_get_file_handle().
1091 32a97d4 deprecate url_filesize().
1092 e52a914 deprecate url_close().
1093 58a48c6 deprecate url_seek().
1094 925e908 deprecate url_write().
1095 dce3756 deprecate url_read_complete().
1096 bc371ac deprecate url_read().
1097 0589da0 deprecate url_open().
1098 62eaaea deprecate url_connect.
1099 5652bb9 deprecate url_alloc.
1100 333e894 deprecate url_open_protocol
1101 e230705 deprecate url_poll and URLPollEntry
1102
73389754
PR
11032011-04-10 - lavu 50.40.0 - pixfmt.h
1104 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
1105
0c68c804
AK
11062011-04-08 - lavf 52.106.0 - avformat.h
1107 Minor avformat.h cleanup:
1108 a9bf9d8 deprecate av_guess_image2_codec
1109 c3675df rename avf_sdp_create->av_sdp_create
1110
4dcde00c
AK
11112011-04-03 - lavf 52.105.0 - avio.h
1112 Large-scale renaming/deprecating of AVIOContext-related functions:
1113 724f6a0 deprecate url_fdopen
1114 403ee83 deprecate url_open_dyn_packet_buf
1115 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
1116 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
1117 8978fed introduce an AVIOContext.seekable field as a replacement for
1118 AVIOContext.is_streamed and url_is_streamed()
1119 b64030f deprecate get_checksum()
1120 4c4427a deprecate init_checksum()
1121 4ec153b deprecate udp_set_remote_url/get_local_port
1122 933e90a deprecate av_url_read_fseek/fpause
1123 8d9769a deprecate url_fileno
1124 b7f2fdd rename put_flush_packet -> avio_flush
1125 35f1023 deprecate url_close_buf
1126 83fddae deprecate url_open_buf
1127 d9d86e0 rename url_fprintf -> avio_printf
1128 59f65d9 deprecate url_setbufsize
1129 3e68b3b deprecate url_ferror
1130 66e5b1d deprecate url_feof
1131 e8bb2e2 deprecate url_fget_max_packet_size
1132 76aa876 rename url_fsize -> avio_size
1133 e519753 deprecate url_fgetc
1134 655e45e deprecate url_fgets
1135 a2704c9 rename url_ftell -> avio_tell
1136 e16ead0 deprecate get_strz() in favor of avio_get_str
1137 0300db8,2af07d3 rename url_fskip -> avio_skip
1138 6b4aa5d rename url_fseek -> avio_seek
1139 61840b4 deprecate put_tag
1140 22a3212 rename url_fopen/fclose -> avio_open/close.
1141 0ac8e2b deprecate put_nbyte
1142 77eb550 rename put_byte -> avio_w8
1143 put_[b/l]e<type> -> avio_w[b/l]<type>
1144 put_buffer -> avio_write
1145 b7effd4 rename get_byte -> avio_r8,
1146 get_[b/l]e<type> -> avio_r[b/l]<type>
1147 get_buffer -> avio_read
1148 b3db9ce deprecate get_partial_buffer
1149 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
1150
0b18b49b
JR
11512011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
1152 Add audio_service_type field to AVCodecContext.
1153
dc6fdad5
MS
11542011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
1155 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
1156 source stream timebase for outputting timestamps. Deprecate
1157 av_pkt_dump and av_pkt_dump_log.
1158
d2bbf82e
RB
11592011-02-20 - e731b8d - lavf 52.102.0 - avio.h
1160 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
1161 original, and move it to a private header so it is no longer
1162 part of our public API. Instead, use av_alloc_put_byte().
1163 * ae628ec - rename ByteIOContext to AVIOContext.
1164
c3dbfa1a 11652011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
09d171b9 1166 lavu 52.39.0 - parseutils.h
c3dbfa1a
JG
1167 * 610219a - Add av_ prefix to dump_format().
1168 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
1169 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
09d171b9 1170
737eb597
RT
11712011-02-15 - lavu 52.38.0 - merge libavcore
1172 libavcore is merged back completely into libavutil
1173
8ed4cc65
MR
11742011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
1175 Add vbv_delay field to AVCodecContext
1176
935ee1b9
MR
11772011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
1178 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
1179
08a459f0
MR
11802011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
1181 Add sample_aspect_ratio field to AVFilterLink.
1182
77c330a0
AH
11832011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
1184 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
1185
f2146944 11862011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
c0b102ca
AS
1187 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
1188 set thread_count before calling avcodec_open.
1189
8e8cc52b 11902011-02-09 - 778b08a - lavc 52.111.0 - threading API
37b00b47
AS
1191 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
1192 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
1193 Add thread_type and active_thread_type fields to AVCodecContext.
1194
c2bd7578 11952011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
3940caad
AH
1196 Add av_probe_input_buffer() to avformat.h for probing format from a
1197 ByteIOContext.
1198
ae0f8a1a 11992011-02-06 - fe174fc - lavf 52.97.0 - avio.h
fe174fc8
NG
1200 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
1201
ff197489
MS
12022011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
1203 Add avformat_free_context() in avformat.h.
1204
75fd0668
TH
12052011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
1206 Add CODEC_ID_PRORES to avcodec.h.
1207
7ab8758b
JG
12082011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
1209 Add defines for H.264 * Constrained Baseline and Intra profiles
1210
4868bebe
AK
12112011-02-02 - lavf 52.95.0
1212 * 50196a9 - add a new installed header version.h.
1213 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
1214 avio_{put,get}_str* functions. Deprecate corresponding semi-public
1215 {put,get}_str*.
1216
12172011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
1218 Make av_dlog public.
1219
343bfdd3 12202011-01-15 - a242ac3 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
a242ac36
SS
1221 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
1222
343bfdd3 12232011-01-14 - 7f88a5b - lavf 52.93.0 - av_metadata_copy()
f93fe776
SS
1224 Add av_metadata_copy() in avformat.h.
1225
343bfdd3 12262011-01-07 - 81c623f - lavc 52.107.0 - deprecate reordered_opaque
81c623fa
MN
1227 Deprecate reordered_opaque in favor of pkt_pts/dts.
1228
343bfdd3 12292011-01-07 - 1919fea - lavc 52.106.0 - pkt_dts
1919feaf
MN
1230 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
1231 to not mess up dts.
1232
343bfdd3 12332011-01-07 - 393cbb9 - lavc 52.105.0 - pkt_pts
393cbb96
MN
1234 Add pkt_pts to AVFrame.
1235
343bfdd3 12362011-01-07 - 060ec0a - lavc 52.104.0 - av_get_profile_name()
060ec0a8
AH
1237 Add av_get_profile_name to libavcodec/avcodec.h.
1238
343bfdd3 12392010-12-27 - 0ccabee - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
28e5d45c
SS
1240 Add AV_PERM_NEG_LINESIZES in avfilter.h.
1241
343bfdd3 12422010-12-27 - 9128ae0 - lavf 52.91.0 - av_find_best_stream()
9128ae08
NG
1243 Add av_find_best_stream to libavformat/avformat.h.
1244
343bfdd3 12452010-12-27 - 107a7e3 - lavf 52.90.0
107a7e3e
AK
1246 Add AVFMT_NOSTREAMS flag for formats with no streams,
1247 like e.g. text metadata.
1248
343bfdd3 12492010-12-22 - 0328b9e - lavu 50.36.0 - file.h
0328b9ea
SS
1250 Add functions av_file_map() and av_file_unmap() in file.h.
1251
343bfdd3 12522010-12-19 - 0bc55f5 - lavu 50.35.0 - error.h
0bc55f5d
NG
1253 Add "not found" error codes:
1254 AVERROR_DEMUXER_NOT_FOUND
1255 AVERROR_MUXER_NOT_FOUND
1256 AVERROR_DECODER_NOT_FOUND
1257 AVERROR_ENCODER_NOT_FOUND
1258 AVERROR_PROTOCOL_NOT_FOUND
1259 AVERROR_FILTER_NOT_FOUND
1260 AVERROR_BSF_NOT_FOUND
1261 AVERROR_STREAM_NOT_FOUND
1262
343bfdd3 12632010-12-09 - c61cdd0 - lavcore 0.16.0 - avcore.h
c61cdd0a
SS
1264 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
1265 avcodec.h to avcore.h.
1266
343bfdd3 12672010-12-04 - 16cfc96 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
16cfc961
SS
1268 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
1269
343bfdd3 12702010-12-04 - bb4afa1 - lavu 50.34.0 - av_get_pix_fmt_string()
bb4afa13
SS
1271 Deprecate avcodec_pix_fmt_string() in favor of
1272 pixdesc.h/av_get_pix_fmt_string().
1273
343bfdd3 12742010-12-04 - 4da12e3 - lavcore 0.15.0 - av_image_alloc()
4da12e3b
SS
1275 Add av_image_alloc() to libavcore/imgutils.h.
1276
343bfdd3 12772010-12-02 - 037be76 - lavfi 1.67.0 - avfilter_graph_create_filter()
037be76e
SS
1278 Add function avfilter_graph_create_filter() in avfiltergraph.h.
1279
343bfdd3 12802010-11-25 - 4723bc2 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
d38c340f
SS
1281 Add function avfilter_get_video_buffer_ref_from_arrays() in
1282 avfilter.h.
06d19718 1283
343bfdd3 12842010-11-21 - 176a615 - lavcore 0.14.0 - audioconvert.h
176a6157
SS
1285 Add a public audio channel API in audioconvert.h, and deprecate the
1286 corresponding functions in libavcodec:
1287 avcodec_get_channel_name()
1288 avcodec_get_channel_layout()
1289 avcodec_get_channel_layout_string()
1290 avcodec_channel_layout_num_channels()
1291 and the CH_* macros defined in libavcodec/avcodec.h.
1292
343bfdd3 12932010-11-21 - 6bfc268 - lavf 52.85.0 - avformat.h
e58d0392
RD
1294 Add av_append_packet().
1295
343bfdd3 12962010-11-21 - a08d918 - lavc 52.97.0 - avcodec.h
e58d0392
RD
1297 Add av_grow_packet().
1298
343bfdd3 12992010-11-17 - 0985e1a - lavcore 0.13.0 - parseutils.h
0985e1a3
AJ
1300 Add av_parse_color() declared in libavcore/parseutils.h.
1301
343bfdd3 13022010-11-13 - cb2c971 - lavc 52.95.0 - AVCodecContext
c716f917
AJ
1303 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
1304 fields.
1305
343bfdd3 13062010-11-13 - 5aaea02 - lavfi 1.62.0 - avfiltergraph.h
5aaea022
SS
1307 Make avfiltergraph.h public.
1308
343bfdd3 13092010-11-13 - 4fcbb2a - lavfi 1.61.0 - avfiltergraph.h
4fcbb2af
SS
1310 Remove declarations from avfiltergraph.h for the functions:
1311 avfilter_graph_check_validity()
1312 avfilter_graph_config_links()
1313 avfilter_graph_config_formats()
1314 which are now internal.
1315 Use avfilter_graph_config() instead.
1316
343bfdd3 13172010-11-08 - d2af720 - lavu 50.33.0 - eval.h
d2af7205
SS
1318 Deprecate functions:
1319 av_parse_and_eval_expr(),
1320 av_parse_expr(),
1321 av_eval_expr(),
1322 av_free_expr(),
1323 in favor of the functions:
1324 av_expr_parse_and_eval(),
1325 av_expr_parse(),
1326 av_expr_eval(),
1327 av_expr_free().
1328
343bfdd3 13292010-11-08 - 24de0ed - lavfi 1.59.0 - avfilter_free()
24de0edb
SS
1330 Rename avfilter_destroy() to avfilter_free().
1331 This change breaks libavfilter API/ABI.
1332
343bfdd3 13332010-11-07 - 1e80a0e - lavfi 1.58.0 - avfiltergraph.h
1e80a0ea
SS
1334 Remove graphparser.h header, move AVFilterInOut and
1335 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
1336
343bfdd3 13372010-11-07 - 7313132 - lavfi 1.57.0 - AVFilterInOut
da6ec07c
SS
1338 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
1339 This change breaks libavfilter API.
1340
343bfdd3 13412010-11-04 - 97dd1e4 - lavfi 1.56.0 - avfilter_graph_free()
97dd1e4a
SS
1342 Rename avfilter_graph_destroy() to avfilter_graph_free().
1343 This change breaks libavfilter API/ABI.
1344
343bfdd3 13452010-11-04 - e15aeea - lavfi 1.55.0 - avfilter_graph_alloc()
e15aeea6
SS
1346 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
1347
343bfdd3 13482010-11-02 - 6f84cd1 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
6f84cd12
SS
1349 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
1350 deprecate av_get_bits_per_sample_format().
1351
343bfdd3 13522010-11-02 - d63e456 - lavcore 0.11.0 - samplefmt.h
d63e456a
SS
1353 Add sample format functions in libavcore/samplefmt.h:
1354 av_get_sample_fmt_name(),
1355 av_get_sample_fmt(),
1356 av_get_sample_fmt_string(),
1357 and deprecate the corresponding libavcodec/audioconvert.h functions:
1358 avcodec_get_sample_fmt_name(),
1359 avcodec_get_sample_fmt(),
1360 avcodec_sample_fmt_string().
1361
343bfdd3 13622010-11-02 - 262d1c5 - lavcore 0.10.0 - samplefmt.h
262d1c5d
SS
1363 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
1364 SampleFormat.
1365
343bfdd3 13662010-10-16 - 2a24df9 - lavfi 1.52.0 - avfilter_graph_config()
2a24df93
SS
1367 Add the function avfilter_graph_config() in avfiltergraph.h.
1368
343bfdd3 13692010-10-15 - 03700d3 - lavf 52.83.0 - metadata API
03700d39
AK
1370 Change demuxers to export metadata in generic format and
1371 muxers to accept generic format. Deprecate the public
1372 conversion API.
1373
343bfdd3 13742010-10-10 - 867ae7a - lavfi 1.49.0 - AVFilterLink.time_base
77611295
SS
1375 Add time_base field to AVFilterLink.
1376
343bfdd3 13772010-09-27 - c85eef4 - lavu 50.31.0 - av_set_options_string()
c6625ad5
SS
1378 Move av_set_options_string() from libavfilter/parseutils.h to
1379 libavutil/opt.h.
1380
343bfdd3 13812010-09-27 - acc0490 - lavfi 1.47.0 - AVFilterLink
4ecf1539
SS
1382 Make the AVFilterLink fields srcpad and dstpad store the pointers to
1383 the source and destination pads, rather than their indexes.
1384
343bfdd3 13852010-09-27 - 372e288 - lavu 50.30.0 - av_get_token()
b3dd5e59
SS
1386 Move av_get_token() from libavfilter/parseutils.h to
1387 libavutil/avstring.h.
1388
343bfdd3 13892010-09-26 - 635d4ae - lsws 0.12.0 - swscale.h
c5812793
SS
1390 Add the functions sws_alloc_context() and sws_init_context().
1391
343bfdd3 13922010-09-26 - 6ed0404 - lavu 50.29.0 - opt.h
41f87daa
SS
1393 Move libavcodec/opt.h to libavutil/opt.h.
1394
343bfdd3 13952010-09-24 - 1c1c80f - lavu 50.28.0 - av_log_set_flags()
1c1c80f0
MN
1396 Default of av_log() changed due to many problems to the old no repeat
1397 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
1398 enabling it for your app!.
1399
343bfdd3 14002010-09-24 - f66eb58 - lavc 52.90.0 - av_opt_show2()
07cac2a0
SS
1401 Deprecate av_opt_show() in favor or av_opt_show2().
1402
343bfdd3 14032010-09-14 - bc6f0af - lavu 50.27.0 - av_popcount()
07cac2a0
SS
1404 Add av_popcount() to libavutil/common.h.
1405
343bfdd3 14062010-09-08 - c6c98d0 - lavu 50.26.0 - av_get_cpu_flags()
15cae5e6
SS
1407 Add av_get_cpu_flags().
1408
343bfdd3 14092010-09-07 - 34017fd - lavcore 0.9.0 - av_image_copy()
16bacad4
SS
1410 Add av_image_copy().
1411
343bfdd3 14122010-09-07 - 9686abb - lavcore 0.8.0 - av_image_copy_plane()
16bacad4
SS
1413 Add av_image_copy_plane().
1414
343bfdd3 14152010-09-07 - 9b7269e - lavcore 0.7.0 - imgutils.h
1904035b
SS
1416 Adopt hierarchical scheme for the imgutils.h function names,
1417 deprecate the old names.
1418
343bfdd3 14192010-09-04 - 7160bb7 - lavu 50.25.0 - AV_CPU_FLAG_*
47806f41
SS
1420 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
1421 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
1422
343bfdd3 14232010-08-26 - 5da19b5 - lavc 52.87.0 - avcodec_get_channel_layout()
798dc641
SS
1424 Add avcodec_get_channel_layout() in audioconvert.h.
1425
343bfdd3 14262010-08-20 - e344336 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
26553088
SS
1427 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
1428
343bfdd3 14292010-08-18 - a6ddf8b - lavcore 0.5.0 - av_fill_image_max_pixstep()
33d2e7b3
SS
1430 Add av_fill_image_max_pixstep() in imgutils.h.
1431
343bfdd3 14322010-08-17 - 4f2d2e4 - lavu 50.24.0 - AV_NE()
7f38d28c
SS
1433 Add the AV_NE macro.
1434
343bfdd3 14352010-08-17 - ad2c950 - lavfi 1.36.0 - audio framework
3f52a907
SS
1436 Implement AVFilterBufferRefAudioProps struct for audio properties,
1437 get_audio_buffer(), filter_samples() functions and related changes.
1438
343bfdd3 14392010-08-12 - 81c1eca - lavcore 0.4.0 - av_get_image_linesize()
d1a04371
SS
1440 Add av_get_image_linesize() in imgutils.h.
1441
343bfdd3 14422010-08-11 - c1db7bf - lavfi 1.34.0 - AVFilterBufferRef
5bf840c4
SS
1443 Resize data and linesize arrays in AVFilterBufferRef to 8.
1444
1445 This change breaks libavfilter API/ABI.
1446
343bfdd3 14472010-08-11 - 9f08d80 - lavc 52.85.0 - av_picture_data_copy()
c6a34954
SS
1448 Add av_picture_data_copy in avcodec.h.
1449
343bfdd3 14502010-08-11 - 84c0386 - lavfi 1.33.0 - avfilter_open()
c7c7feaa
SS
1451 Change avfilter_open() signature:
1452 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
1453 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
1454
1455 This change breaks libavfilter API/ABI.
1456
343bfdd3 14572010-08-11 - cc80caf - lavfi 1.32.0 - AVFilterBufferRef
ad0d70c9
SS
1458 Add a type field to AVFilterBufferRef, and move video specific
1459 properties to AVFilterBufferRefVideoProps.
1460
4bf2d6e8 1461 This change breaks libavfilter API/ABI.
ad0d70c9 1462
343bfdd3 14632010-08-07 - 5d4890d - lavfi 1.31.0 - AVFilterLink
711d14cf
SS
1464 Rename AVFilterLink fields:
1465 AVFilterLink.srcpic -> AVFilterLink.src_buf
1466 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
1467 AVFilterLink.outpic -> AVFilterLink.out_buf
1468
343bfdd3 14692010-08-07 - 7fce481 - lavfi 1.30.0
711d14cf
SS
1470 Rename functions and fields:
1471 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
1472 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
1473 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
1474
343bfdd3 14752010-08-07 - ecc8dad - lavfi 1.29.0 - AVFilterBufferRef
711d14cf
SS
1476 Rename AVFilterPicRef to AVFilterBufferRef.
1477
343bfdd3 14782010-08-07 - d54e094 - lavfi 1.28.0 - AVFilterBuffer
e11b104a
SS
1479 Move format field from AVFilterBuffer to AVFilterPicRef.
1480
343bfdd3 14812010-08-06 - bf176f5 - lavcore 0.3.0 - av_check_image_size()
71cb41db
SS
1482 Deprecate avcodec_check_dimensions() in favor of the function
1483 av_check_image_size() defined in libavcore/imgutils.h.
1484
343bfdd3 14852010-07-30 - 56b5e9d - lavfi 1.27.0 - AVFilterBuffer
92dd4959
SS
1486 Increase size of the arrays AVFilterBuffer.data and
1487 AVFilterBuffer.linesize from 4 to 8.
1488
1489 This change breaks libavfilter ABI.
1490
343bfdd3 14912010-07-29 - e7bd48a - lavcore 0.2.0 - imgutils.h
3dec10cd
SS
1492 Add functions av_fill_image_linesizes() and
1493 av_fill_image_pointers(), declared in libavcore/imgutils.h.
1494
343bfdd3 14952010-07-27 - 126b638 - lavcore 0.1.0 - parseutils.h
fa8ead00
SS
1496 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
1497 defined in libavcodec in favor of the newly added functions
1498 av_parse_video_size() and av_parse_video_rate() declared in
1499 libavcore/parseutils.h.
1500
343bfdd3 15012010-07-23 - 4485247 - lavu 50.23.0 - mathematics.h
c257c752
SS
1502 Add the M_PHI constant definition.
1503
343bfdd3 15042010-07-22 - bdab614 - lavfi 1.26.0 - media format generalization
73642926
SS
1505 Add a type field to AVFilterLink.
1506
1507 Change the field types:
1508 enum PixelFormat format -> int format in AVFilterBuffer
1509 enum PixelFormat *formats -> int *formats in AVFilterFormats
1510 enum PixelFormat *format -> int format in AVFilterLink
1511
1512 Change the function signatures:
1513 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
1514 AVFilterFormats *avfilter_make_format_list(const int *fmts);
1515
1516 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
1517 int avfilter_add_format (AVFilterFormats **avff, int fmt);
1518
1519 AVFilterFormats *avfilter_all_colorspaces(void); ->
1520 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
1521
1522 This change breaks libavfilter API/ABI.
1523
343bfdd3 15242010-07-21 - aac6ca6 - lavcore 0.0.0
a33e0365
SS
1525 Add libavcore.
1526
343bfdd3 15272010-07-17 - b5c582f - lavfi 1.25.0 - AVFilterBuffer
8e9d9308
SS
1528 Remove w and h fields from AVFilterBuffer.
1529
343bfdd3 15302010-07-17 - f0d77b2 - lavfi 1.24.0 - AVFilterBuffer
9840147d
SS
1531 Rename AVFilterPic to AVFilterBuffer.
1532
343bfdd3 15332010-07-17 - 57fe80f - lavf 52.74.0 - url_fskip()
57fe80fe
MS
1534 Make url_fskip() return an int error code instead of void.
1535
343bfdd3 15362010-07-11 - 23940f1 - lavc 52.83.0
6f5ac9c1 1537 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
23940f14
JR
1538 Add AVLPCType enum.
1539 Deprecate AVCodecContext.use_lpc.
1540
343bfdd3 15412010-07-11 - e1d7c88 - lavc 52.82.0 - avsubtitle_free()
e1d7c883
RD
1542 Add a function for free the contents of a AVSubtitle generated by
1543 avcodec_decode_subtitle.
1544
343bfdd3 15452010-07-11 - b91d08f - lavu 50.22.0 - bswap.h and intreadwrite.h
617d56ca
SS
1546 Make the bswap.h and intreadwrite.h API public.
1547
343bfdd3 15482010-07-08 - ce1cd1c - lavu 50.21.0 - pixdesc.h
52706b95
SS
1549 Rename read/write_line() to av_read/write_image_line().
1550
343bfdd3 15512010-07-07 - 4d508e4 - lavfi 1.21.0 - avfilter_copy_picref_props()
16400da6 1552 Add avfilter_copy_picref_props().
52706b95 1553
343bfdd3 15542010-07-03 - 2d525ef - lavc 52.79.0
16400da6
SS
1555 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
1556 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
34171e87 1557
343bfdd3 15582010-07-02 - 89eec74 - lavu 50.20.0 - lfg.h
13088d27
RP
1559 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
1560 lfg.h.
1561
343bfdd3 15622010-06-28 - a52e2c3 - lavfi 1.20.1 - av_parse_color()
6951515c
SS
1563 Extend av_parse_color() syntax, make it accept an alpha value specifier and
1564 set the alpha value to 255 by default.
1565
343bfdd3 15662010-06-22 - 735cf6b - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
16400da6 1567 Add priv_data_size and priv_data_class to URLProtocol.
58cc11c7 1568
343bfdd3 15692010-06-22 - ffbb289 - lavf 52.70.0 - url_alloc(), url_connect()
16400da6 1570 Add url_alloc() and url_connect().
4636f115 1571
343bfdd3 15722010-06-22 - 9b07a2d - lavf 52.69.0 - av_register_protocol2()
16400da6 1573 Add av_register_protocol2(), deprecating av_register_protocol().
6c4cbc8d 1574
343bfdd3 15752010-06-09 - 65db058 - lavu 50.19.0 - av_compare_mod()
276b45af
SS
1576 Add av_compare_mod() to libavutil/mathematics.h.
1577
343bfdd3 15782010-06-05 - 0b99215 - lavu 50.18.0 - eval API
4cd5100c
SS
1579 Make the eval API public.
1580
343bfdd3 15812010-06-04 - 31878fc - lavu 50.17.0 - AV_BASE64_SIZE
6532c6f9
SS
1582 Add AV_BASE64_SIZE() macro.
1583
343bfdd3 15842010-06-02 - 7e566bb - lavc 52.73.0 - av_get_codec_tag_string()
2a00992f
SS
1585 Add av_get_codec_tag_string().
1586
343bfdd3 15872010-06-01 - 2b99142 - lsws 0.11.0 - convertPalette API
16400da6 1588 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
7f464a0a 1589
343bfdd3 15902010-05-26 - 93ebfee - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
fe9c2007 1591 Add CODEC_CAP_EXPERIMENTAL flag.
95c851e2 1592 NOTE: this was backported to 0.6
fe9c2007 1593
343bfdd3 15942010-05-23 - 9977863 - lavu 50.16.0 - av_get_random_seed()
16400da6 1595 Add av_get_random_seed().
cca68a54 1596
343bfdd3 15972010-05-18 - 796ac23 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
16400da6 1598 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
95c851e2 1599 NOTE: this was backported to 0.6
b724102a 1600
343bfdd3 16012010-05-09 - b6bc205 - lavfi 1.20.0 - AVFilterPicRef
fc25c049
SS
1602 Add interlaced and top_field_first fields to AVFilterPicRef.
1603
95c851e2
AK
1604------------------------------8<-------------------------------------
1605 0.6 branch was cut here
1606----------------------------->8--------------------------------------
1607
343bfdd3 16082010-05-01 - 8e2ee18 - lavf 52.62.0 - probe function
d0eb2b78
RD
1609 Add av_probe_input_format2 to API, it allows ignoring probe
1610 results below given score and returns the actual probe score.
1611
343bfdd3 16122010-04-01 - 3dd6180 - lavf 52.61.0 - metadata API
3dd6180f
AK
1613 Add a flag for av_metadata_set2() to disable overwriting of
1614 existing tags.
1615
343bfdd3 16162010-04-01 - 0fb49b5 - lavc 52.66.0
16400da6 1617 Add avcodec_get_edge_width().
0fb49b59 1618
343bfdd3 16192010-03-31 - d103218 - lavc 52.65.0
c846a984
RB
1620 Add avcodec_copy_context().
1621
343bfdd3 16222010-03-31 - 1a70d12 - lavf 52.60.0 - av_match_ext()
e33f1fa0
SS
1623 Make av_match_ext() public.
1624
343bfdd3 16252010-03-31 - 1149150 - lavu 50.14.0 - AVMediaType
fc8b1075
SS
1626 Move AVMediaType enum from libavcodec to libavutil.
1627
343bfdd3 16282010-03-31 - 72415b2 - lavc 52.64.0 - AVMediaType
fc8b1075
SS
1629 Define AVMediaType enum, and use it instead of enum CodecType, which
1630 is deprecated and will be dropped at the next major bump.
1631
343bfdd3 16322010-03-25 - 8795823 - lavu 50.13.0 - av_strerror()
82ba847e
SS
1633 Implement av_strerror().
1634
343bfdd3 16352010-03-23 - e1484eb - lavc 52.60.0 - av_dct_init()
16400da6 1636 Support DCT-I and DST-I.
e1484ebe 1637
343bfdd3 16382010-03-15 - b8819c8 - lavf 52.56.0 - AVFormatContext.start_time_realtime
a5b3d34b
MS
1639 Add AVFormatContext.start_time_realtime field.
1640
343bfdd3 16412010-03-13 - 5bb5c1d - lavfi 1.18.0 - AVFilterPicRef.pos
8955a324
SS
1642 Add AVFilterPicRef.pos field.
1643
343bfdd3 16442010-03-13 - 60c144f - lavu 50.12.0 - error.h
99de2b59
SS
1645 Move error code definitions from libavcodec/avcodec.h to
1646 the new public header libavutil/error.h.
1647
343bfdd3 16482010-03-07 - c709483 - lavc 52.56.0 - avfft.h
c7094831
MR
1649 Add public FFT interface.
1650
343bfdd3 16512010-03-06 - ac6ef86 - lavu 50.11.0 - av_stristr()
c18fb631
SS
1652 Add av_stristr().
1653
343bfdd3 16542010-03-03 - 4b83fc0 - lavu 50.10.0 - av_tree_enumerate()
4b83fc0f
VS
1655 Add av_tree_enumerate().
1656
343bfdd3 16572010-02-07 - b687c1a - lavu 50.9.0 - av_compare_ts()
fbef7a76
SS
1658 Add av_compare_ts().
1659
343bfdd3 16602010-02-05 - 3f3dc76 - lsws 0.10.0 - sws_getCoefficients()
e49407ee
SS
1661 Add sws_getCoefficients().
1662
343bfdd3 16632010-02-01 - ca76a11 - lavf 52.50.0 - metadata API
ca76a119
AK
1664 Add a list of generic tag names, change 'author' -> 'artist',
1665 'year' -> 'date'.
1666
343bfdd3 16672010-01-30 - 80a07f6 - lavu 50.8.0 - av_get_pix_fmt()
14ace37e
SS
1668 Add av_get_pix_fmt().
1669
343bfdd3 16702010-01-21 - 01cc47d - lsws 0.9.0 - sws_scale()
e49407ee
SS
1671 Change constness attributes of sws_scale() parameters.
1672
343bfdd3 16732010-01-10 - 3fb8e77 - lavfi 1.15.0 - avfilter_graph_config_links()
2d187e23
SS
1674 Add a log_ctx parameter to avfilter_graph_config_links().
1675
343bfdd3 16762010-01-07 - 8e9767f - lsws 0.8.0 - sws_isSupported{In,Out}put()
1c790092 1677 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
715cff9a 1678
343bfdd3 16792010-01-06 - c1d662f - lavfi 1.14.0 - avfilter_add_colorspace()
1e289b09
SS
1680 Change the avfilter_add_colorspace() signature, make it accept an
1681 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
1682
343bfdd3 16832010-01-03 - 4fd1f18 - lavfi 1.13.0 - avfilter_add_colorspace()
a2b16627
SS
1684 Add avfilter_add_colorspace().
1685
343bfdd3 16862010-01-02 - 8eb631f - lavf 52.46.0 - av_match_ext()
79c2f2d3
SS
1687 Add av_match_ext(), it should be used in place of match_ext().
1688
343bfdd3 16892010-01-01 - a1f547b - lavf 52.45.0 - av_guess_format()
bb1a8793
SS
1690 Add av_guess_format(), it should be used in place of guess_format().
1691
343bfdd3 16922009-12-13 - a181981 - lavf 52.43.0 - metadata API
16400da6
SS
1693 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
1694 AV_METADATA_DONT_STRDUP_VAL.
b8f11ec8 1695
343bfdd3 16962009-12-13 - 277c733 - lavu 50.7.0 - avstring.h API
f69d394f 1697 Add av_d2str().
60a92a77 1698
343bfdd3 16992009-12-13 - 02b398e - lavc 52.42.0 - AVStream
f69d394f 1700 Add avg_frame_rate.
c3d15329 1701
343bfdd3 17022009-12-12 - 3ba69a1 - lavu 50.6.0 - av_bmg_next()
54c24216
SS
1703 Introduce the av_bmg_next() function.
1704
343bfdd3 17052009-12-05 - a13a543 - lavfi 1.12.0 - avfilter_draw_slice()
11f6d098
SS
1706 Add a slice_dir parameter to avfilter_draw_slice().
1707
343bfdd3 17082009-11-26 - 4cc3f6a - lavfi 1.11.0 - AVFilter
7cab9a66
SS
1709 Remove the next field from AVFilter, this is not anymore required.
1710
343bfdd3 17112009-11-25 - 1433c4a - lavfi 1.10.0 - avfilter_next()
b5a683eb
SS
1712 Introduce the avfilter_next() function.
1713
343bfdd3 17142009-11-25 - 86a60fa - lavfi 1.9.0 - avfilter_register()
73e2247d
SS
1715 Change the signature of avfilter_register() to make it return an
1716 int. This is required since now the registration operation may fail.
1717
343bfdd3 17182009-11-25 - 74a0059 - lavu 50.5.0 - pixdesc.h API
d0df2fcc
SS
1719 Make the pixdesc.h API public.
1720
343bfdd3 17212009-10-27 - 243110f - lavfi 1.5.0 - AVFilter.next
290d4a44
SS
1722 Add a next field to AVFilter, this is used for simplifying the
1723 registration and management of the registered filters.
1724
343bfdd3 17252009-10-23 - cccd292 - lavfi 1.4.1 - AVFilter.description
54116673 1726 Add a description field to AVFilter.
01537e9f 1727
343bfdd3 17282009-10-19 - 6b5dc05 - lavfi 1.3.0 - avfilter_make_format_list()
027e85d8
SS
1729 Change the interface of avfilter_make_format_list() from
1730 avfilter_make_format_list(int n, ...) to
1731 avfilter_make_format_list(enum PixelFormat *pix_fmts).
1732
343bfdd3 17332009-10-18 - 0eb4ff9 - lavfi 1.0.0 - avfilter_get_video_buffer()
c3b27a3d
SS
1734 Make avfilter_get_video_buffer() recursive and add the w and h
1735 parameters to it.
1736
343bfdd3 17372009-10-07 - 46c40e4 - lavfi 0.5.1 - AVFilterPic
227d1b98 1738 Add w and h fields to AVFilterPic.
04670366 1739
343bfdd3 17402009-06-22 - 92400be - lavf 52.34.1 - AVFormatContext.packet_size
b394438e
RB
1741 This is now an unsigned int instead of a signed int.
1742
343bfdd3 17432009-06-19 - a4276ba - lavc 52.32.0 - AVSubtitle.pts
227d1b98
DB
1744 Add a pts field to AVSubtitle which gives the subtitle packet pts
1745 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
4bbe788a
RD
1746 not work right without this.
1747
343bfdd3 17482009-06-03 - 8f3f2e0 - lavc 52.30.2 - AV_PKT_FLAG_KEY
227d1b98 1749 PKT_FLAG_KEY has been deprecated and will be dropped at the next
8f3f2e06
RD
1750 major version. Use AV_PKT_FLAG_KEY instead.
1751
343bfdd3 17522009-06-01 - f988ce6 - lavc 52.30.0 - av_lockmgr_register()
f988ce6c
1753 av_lockmgr_register() can be used to register a callback function
1754 that lavc (and in the future, libraries that depend on lavc) can use
1755 to implement mutexes. The application should provide a callback function
227d1b98
DB
1756 that implements the AV_LOCK_* operations described in avcodec.h.
1757 When the lock manager is registered, FFmpeg is guaranteed to behave
1758 correctly in a multi-threaded application.
f988ce6c 1759
343bfdd3 17602009-04-30 - ce1d9c8 - lavc 52.28.0 - av_free_packet()
52bcc8e1
RP
1761 av_free_packet() is no longer an inline function. It is now exported.
1762
343bfdd3 17632009-04-11 - 80d403f - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
0c13bbf5
RD
1764 Please use NULL instead. This has been supported since r16506
1765 (lavf > 52.23.1, lavc > 52.10.0).
1766
343bfdd3 17672009-04-07 - 7a00bba - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
2851d225
RB
1768 The old decoding functions are deprecated, all new code should use the
1769 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
1770 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
1771 argument instead of a const uint8_t *buf / int buf_size pair.
1772
343bfdd3 17732009-04-03 - 7b09db3 - lavu 50.3.0 - av_fifo_space()
b1516707
SS
1774 Introduce the av_fifo_space() function.
1775
343bfdd3 17762009-04-02 - fabd246 - lavc 52.23.0 - AVPacket
dd3bbb49
SS
1777 Move AVPacket declaration from libavformat/avformat.h to
1778 libavcodec/avcodec.h.
1779
343bfdd3 17802009-03-22 - 6e08ca9 - lavu 50.2.0 - RGB32 pixel formats
227d1b98
DB
1781 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
1782 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
1783 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
1784 PIX_FMT_BGR32_1 are now macros.
1785 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
f3370e14 1786 Re-sort the enum PixelFormat list accordingly.
5a43bbc3
SS
1787 This change breaks API/ABI backward compatibility.
1788
343bfdd3 17892009-03-22 - f82674e - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
dd3bbb49
SS
1790 Add the enum PixelFormat values:
1791 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
1792 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
1793
343bfdd3 17942009-03-21 - ee6624e - lavu 50.0.0 - av_random*
c8f742ca
DB
1795 The Mersenne Twister PRNG implemented through the av_random* functions
1796 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
1797 instead.
1798
343bfdd3 17992009-03-08 - 41dd680 - lavu 50.0.0 - AVFifoBuffer
889cdae8
DB
1800 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
1801 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
1802 and av_fifo_realloc2.
1803 In addition, the order of the function arguments of av_fifo_generic_read
227d1b98 1804 was changed to match av_fifo_generic_write.
889cdae8
DB
1805 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
1806 applications, they may not use sizeof() or directly access members.
22d4f236 1807
343bfdd3 18082009-03-01 - ec26457 - lavf 52.31.0 - Generic metadata API
889cdae8
DB
1809 Introduce a new metadata API (see av_metadata_get() and friends).
1810 The old API is now deprecated and should not be used anymore. This especially
429d6b21 1811 includes the following structure fields:
38ce707e
AJ
1812 - AVFormatContext.title
1813 - AVFormatContext.author
1814 - AVFormatContext.copyright
1815 - AVFormatContext.comment
1816 - AVFormatContext.album
1817 - AVFormatContext.year
1818 - AVFormatContext.track
1819 - AVFormatContext.genre
1820 - AVStream.language
1821 - AVStream.filename
1822 - AVProgram.provider_name
1823 - AVProgram.name
1824 - AVChapter.title