cmdutils/avtools: simplify show_help() by using av_opt_child_class_next()
[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: 2011-04-18
6libavdevice: 2011-04-18
7libavfilter: 2011-04-18
8libavformat: 2011-04-18
9libpostproc: 2011-04-18
dea22a1a 10libswscale: 2011-06-20
53f7628d 11libavutil: 2011-04-18
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12
13
14API changes, most recent first:
ab79ee12 15
7f9b0ef9 162011-09-03 - fb4ca26 - lavc 53.10.0
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17 lavf 53.6.0
18 lsws 2.1.0
19 Add {avcodec,avformat,sws}_get_class().
20
7f9b0ef9 212011-09-03 - c11fb82 - lavu 51.10.0
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22 Add AV_OPT_SEARCH_FAKE_OBJ flag for av_opt_find() function.
23
7f9b0ef9 242011-08-26 - f2011ed - lavu 51.9.0
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25 Add av_fifo_peek2(), deprecate av_fifo_peek().
26
7f9b0ef9 272011-08-16 - 48f9e45 - lavf 53.4.0
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28 Add avformat_query_codec().
29
7f9b0ef9 302011-08-16 - bca06e7 - lavc 53.8.0
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31 Add avcodec_get_type().
32
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332011-08-06 - 2f63440 - lavf 53.4.0
34 Add error_recognition to AVFormatContext.
35
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362011-08-02 - 9d39cbf - lavc 53.7.1
37 Add AV_PKT_FLAG_CORRUPT AVPacket flag.
38
6cb11979 392011-07-10 - a67c061 - lavf 53.3.0
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40 Add avformat_find_stream_info(), deprecate av_find_stream_info().
41
6cb11979 422011-07-10 - 0b950fe - lavc 53.6.0
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43 Add avcodec_open2(), deprecate avcodec_open().
44
6cb11979 452011-06-23 - 67e9ae1 - lavu 51.8.0 - attributes.h
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46 Add av_printf_format().
47
6cb11979 482011-06-16 - 05e84c9, 25de595 - lavf 53.2.0 - avformat.h
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49 Add avformat_open_input and avformat_write_header().
50 Deprecate av_open_input_stream, av_open_input_file,
51 AVFormatParameters and av_write_header.
52
6cb11979 532011-06-16 - 7e83e1c, dc59ec5 - lavu 51.7.0 - opt.h
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54 Add av_opt_set_dict() and av_opt_find().
55 Deprecate av_find_opt().
56 Add AV_DICT_APPEND flag.
57
6cb11979 582011-06-10 - cb7c11c - lavu 51.6.0 - opt.h
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59 Add av_opt_flag_is_set().
60
6cb11979 612011-06-08 - d9f80ea - lavu 51.5.0 - AVMetadata
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62 Move AVMetadata from lavf to lavu and rename it to
63 AVDictionary -- new installed header dict.h.
64 All av_metadata_* functions renamed to av_dict_*.
65
1397ac0a 662011-06-07 - a6703fa - lavu 51.4.0 - av_get_bytes_per_sample()
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67 Add av_get_bytes_per_sample() in libavutil/samplefmt.h.
68 Deprecate av_get_bits_per_sample_fmt().
69
6cb11979 702011-06-05 - b39b062 - lavu 51.3.0 - opt.h
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71 Add av_opt_free convenience function.
72
04de5bf5 732011-05-28 - 0420bd7 - lavu 51.2.0 - pixdesc.h
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74 Add av_get_pix_fmt_name() in libavutil/pixdesc.h, and deprecate
75 avcodec_get_pix_fmt_name() in libavcodec/avcodec.h in its favor.
76
19a686b8 772011-05-25 - 30315a8 - lavf 53.1.0 - avformat.h
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78 Add fps_probe_size to AVFormatContext.
79
41e21e4d 802011-05-18 - 64150ff - lavc 53.4.0 - AVCodecContext.request_sample_fmt
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81 Add request_sample_fmt field to AVCodecContext.
82
36dc49b7 832011-05-10 - 188dea1 - lavc 53.3.0 - avcodec.h
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84 Deprecate AVLPCType and the following fields in
85 AVCodecContext: lpc_coeff_precision, prediction_order_method,
86 min_partition_order, max_partition_order, lpc_type, lpc_passes.
87 Corresponding FLAC encoder options should be used instead.
88
36dc49b7 892011-04-26 - bebe72f - lavu 51.1.0 - avutil.h
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90 Add AVPictureType enum and av_get_picture_type_char(), deprecate
91 FF_*_TYPE defines and av_get_pict_type_char() defined in
92 libavcodec/avcodec.h.
93
36dc49b7 942011-04-26 - 10d3940 - lavfi 2.3.0 - avfilter.h
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95 Add pict_type and key_frame fields to AVFilterBufferRefVideo.
96
36dc49b7 972011-04-26 - 7a11c82 - lavfi 2.2.0 - vsrc_buffer
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98 Add sample_aspect_ratio fields to vsrc_buffer arguments
99
b4a53314 1002011-04-21 - 94f7451 - lavc 53.1.0 - avcodec.h
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101 Add CODEC_CAP_SLICE_THREADS for codecs supporting sliced threading.
102
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1032011-04-15 - lavc 52.120.0 - avcodec.h
104 AVPacket structure got additional members for passing side information:
105 4de339e introduce side information for AVPacket
106 2d8591c make containers pass palette change in AVPacket
107
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1082011-04-12 - lavf 52.107.0 - avio.h
109 Avio cleanup, part II - deprecate the entire URLContext API:
110 175389c add avio_check as a replacement for url_exist
111 ff1ec0c add avio_pause and avio_seek_time as replacements
112 for _av_url_read_fseek/fpause
113 cdc6a87 deprecate av_protocol_next(), avio_enum_protocols
114 should be used instead.
115 80c6e23 rename url_set_interrupt_cb->avio_set_interrupt_cb.
116 f87b1b3 rename open flags: URL_* -> AVIO_*
117 f8270bb add avio_enum_protocols.
118 5593f03 deprecate URLProtocol.
119 c486dad deprecate URLContext.
120 026e175 deprecate the typedef for URLInterruptCB
121 8e76a19 deprecate av_register_protocol2.
122 b840484 deprecate URL_PROTOCOL_FLAG_NESTED_SCHEME
123 1305d93 deprecate av_url_read_seek
124 fa104e1 deprecate av_url_read_pause
125 727c7aa deprecate url_get_filename().
126 5958df3 deprecate url_max_packet_size().
127 1869ea0 deprecate url_get_file_handle().
128 32a97d4 deprecate url_filesize().
129 e52a914 deprecate url_close().
130 58a48c6 deprecate url_seek().
131 925e908 deprecate url_write().
132 dce3756 deprecate url_read_complete().
133 bc371ac deprecate url_read().
134 0589da0 deprecate url_open().
135 62eaaea deprecate url_connect.
136 5652bb9 deprecate url_alloc.
137 333e894 deprecate url_open_protocol
138 e230705 deprecate url_poll and URLPollEntry
139
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1402011-04-10 - lavu 50.40.0 - pixfmt.h
141 Add PIX_FMT_BGR48LE and PIX_FMT_BGR48BE pixel formats
142
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1432011-04-08 - lavf 52.106.0 - avformat.h
144 Minor avformat.h cleanup:
145 a9bf9d8 deprecate av_guess_image2_codec
146 c3675df rename avf_sdp_create->av_sdp_create
147
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1482011-04-03 - lavf 52.105.0 - avio.h
149 Large-scale renaming/deprecating of AVIOContext-related functions:
150 724f6a0 deprecate url_fdopen
151 403ee83 deprecate url_open_dyn_packet_buf
152 6dc7d80 rename url_close_dyn_buf -> avio_close_dyn_buf
153 b92c545 rename url_open_dyn_buf -> avio_open_dyn_buf
154 8978fed introduce an AVIOContext.seekable field as a replacement for
155 AVIOContext.is_streamed and url_is_streamed()
156 b64030f deprecate get_checksum()
157 4c4427a deprecate init_checksum()
158 4ec153b deprecate udp_set_remote_url/get_local_port
159 933e90a deprecate av_url_read_fseek/fpause
160 8d9769a deprecate url_fileno
161 b7f2fdd rename put_flush_packet -> avio_flush
162 35f1023 deprecate url_close_buf
163 83fddae deprecate url_open_buf
164 d9d86e0 rename url_fprintf -> avio_printf
165 59f65d9 deprecate url_setbufsize
166 3e68b3b deprecate url_ferror
167 66e5b1d deprecate url_feof
168 e8bb2e2 deprecate url_fget_max_packet_size
169 76aa876 rename url_fsize -> avio_size
170 e519753 deprecate url_fgetc
171 655e45e deprecate url_fgets
172 a2704c9 rename url_ftell -> avio_tell
173 e16ead0 deprecate get_strz() in favor of avio_get_str
174 0300db8,2af07d3 rename url_fskip -> avio_skip
175 6b4aa5d rename url_fseek -> avio_seek
176 61840b4 deprecate put_tag
177 22a3212 rename url_fopen/fclose -> avio_open/close.
178 0ac8e2b deprecate put_nbyte
179 77eb550 rename put_byte -> avio_w8
180 put_[b/l]e<type> -> avio_w[b/l]<type>
181 put_buffer -> avio_write
182 b7effd4 rename get_byte -> avio_r8,
183 get_[b/l]e<type> -> avio_r[b/l]<type>
184 get_buffer -> avio_read
185 b3db9ce deprecate get_partial_buffer
186 8d9ac96 rename av_alloc_put_byte -> avio_alloc_context
187
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1882011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
189 Add audio_service_type field to AVCodecContext.
190
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1912011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
192 Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
193 source stream timebase for outputting timestamps. Deprecate
194 av_pkt_dump and av_pkt_dump_log.
195
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1962011-02-20 - e731b8d - lavf 52.102.0 - avio.h
197 * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
198 original, and move it to a private header so it is no longer
199 part of our public API. Instead, use av_alloc_put_byte().
200 * ae628ec - rename ByteIOContext to AVIOContext.
201
c3dbfa1a 2022011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
09d171b9 203 lavu 52.39.0 - parseutils.h
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204 * 610219a - Add av_ prefix to dump_format().
205 * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
206 * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
09d171b9 207
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2082011-02-15 - lavu 52.38.0 - merge libavcore
209 libavcore is merged back completely into libavutil
210
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2112011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
212 Add vbv_delay field to AVCodecContext
213
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2142011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
215 Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
216
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2172011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
218 Add sample_aspect_ratio field to AVFilterLink.
219
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2202011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
221 Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
222
f2146944 2232011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
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224 Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
225 set thread_count before calling avcodec_open.
226
8e8cc52b 2272011-02-09 - 778b08a - lavc 52.111.0 - threading API
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228 Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
229 release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
230 Add thread_type and active_thread_type fields to AVCodecContext.
231
c2bd7578 2322011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
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233 Add av_probe_input_buffer() to avformat.h for probing format from a
234 ByteIOContext.
235
ae0f8a1a 2362011-02-06 - fe174fc - lavf 52.97.0 - avio.h
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237 Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
238
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2392011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
240 Add avformat_free_context() in avformat.h.
241
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2422011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
243 Add CODEC_ID_PRORES to avcodec.h.
244
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2452011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
246 Add defines for H.264 * Constrained Baseline and Intra profiles
247
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2482011-02-02 - lavf 52.95.0
249 * 50196a9 - add a new installed header version.h.
250 * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
251 avio_{put,get}_str* functions. Deprecate corresponding semi-public
252 {put,get}_str*.
253
2542011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
255 Make av_dlog public.
256
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2572011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
258 Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
259
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2602011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
261 Add av_metadata_copy() in avformat.h.
262
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2632011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
264 Deprecate reordered_opaque in favor of pkt_pts/dts.
265
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2662011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
267 Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
268 to not mess up dts.
269
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2702011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
271 Add pkt_pts to AVFrame.
272
3a45a3f3 2732011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
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274 Add av_get_profile_name to libavcodec/avcodec.h.
275
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2762010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
277 Add AV_PERM_NEG_LINESIZES in avfilter.h.
278
d46c2755 2792010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
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280 Add av_find_best_stream to libavformat/avformat.h.
281
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2822010-12-27 - r26103 - lavf 52.90.0
283 Add AVFMT_NOSTREAMS flag for formats with no streams,
284 like e.g. text metadata.
285
106f271f 2862010-12-22 - r26073 - lavu 50.36.0 - file.h
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287 Add functions av_file_map() and av_file_unmap() in file.h.
288
106f271f 2892010-12-19 - r26056 - lavu 50.35.0 - error.h
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290 Add "not found" error codes:
291 AVERROR_DEMUXER_NOT_FOUND
292 AVERROR_MUXER_NOT_FOUND
293 AVERROR_DECODER_NOT_FOUND
294 AVERROR_ENCODER_NOT_FOUND
295 AVERROR_PROTOCOL_NOT_FOUND
296 AVERROR_FILTER_NOT_FOUND
297 AVERROR_BSF_NOT_FOUND
298 AVERROR_STREAM_NOT_FOUND
299
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3002010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
301 Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
302 avcodec.h to avcore.h.
303
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3042010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
305 Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
306
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3072010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
308 Deprecate avcodec_pix_fmt_string() in favor of
309 pixdesc.h/av_get_pix_fmt_string().
310
d22e9795 3112010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
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312 Add av_image_alloc() to libavcore/imgutils.h.
313
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3142010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
315 Add function avfilter_graph_create_filter() in avfiltergraph.h.
316
d6adf44b 3172010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
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318 Add function avfilter_get_video_buffer_ref_from_arrays() in
319 avfilter.h.
06d19718 320
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3212010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
322 Add a public audio channel API in audioconvert.h, and deprecate the
323 corresponding functions in libavcodec:
324 avcodec_get_channel_name()
325 avcodec_get_channel_layout()
326 avcodec_get_channel_layout_string()
327 avcodec_channel_layout_num_channels()
328 and the CH_* macros defined in libavcodec/avcodec.h.
329
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3302010-11-21 - r25777 - lavf 52.85.0 - avformat.h
331 Add av_append_packet().
332
3332010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
334 Add av_grow_packet().
335
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3362010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
337 Add av_parse_color() declared in libavcore/parseutils.h.
338
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3392010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
340 Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
341 fields.
342
47c5e414 3432010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
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344 Make avfiltergraph.h public.
345
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3462010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
347 Remove declarations from avfiltergraph.h for the functions:
348 avfilter_graph_check_validity()
349 avfilter_graph_config_links()
350 avfilter_graph_config_formats()
351 which are now internal.
352 Use avfilter_graph_config() instead.
353
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3542010-11-08 - r25708 - lavu 50.33.0 - eval.h
355 Deprecate functions:
356 av_parse_and_eval_expr(),
357 av_parse_expr(),
358 av_eval_expr(),
359 av_free_expr(),
360 in favor of the functions:
361 av_expr_parse_and_eval(),
362 av_expr_parse(),
363 av_expr_eval(),
364 av_expr_free().
365
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3662010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
367 Rename avfilter_destroy() to avfilter_free().
368 This change breaks libavfilter API/ABI.
369
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3702010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
371 Remove graphparser.h header, move AVFilterInOut and
372 avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
373
3fd3eea7 3742010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
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375 Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
376 This change breaks libavfilter API.
377
146b6555 3782010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
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379 Rename avfilter_graph_destroy() to avfilter_graph_free().
380 This change breaks libavfilter API/ABI.
381
146b6555 3822010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
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383 Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
384
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3852010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
386 Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
387 deprecate av_get_bits_per_sample_format().
388
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3892010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
390 Add sample format functions in libavcore/samplefmt.h:
391 av_get_sample_fmt_name(),
392 av_get_sample_fmt(),
393 av_get_sample_fmt_string(),
394 and deprecate the corresponding libavcodec/audioconvert.h functions:
395 avcodec_get_sample_fmt_name(),
396 avcodec_get_sample_fmt(),
397 avcodec_sample_fmt_string().
398
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3992010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
400 Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
401 SampleFormat.
402
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4032010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
404 Add the function avfilter_graph_config() in avfiltergraph.h.
405
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4062010-10-15 - r25493 - lavf 52.83.0 - metadata API
407 Change demuxers to export metadata in generic format and
408 muxers to accept generic format. Deprecate the public
409 conversion API.
410
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4112010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
412 Add time_base field to AVFilterLink.
413
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4142010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
415 Move av_set_options_string() from libavfilter/parseutils.h to
416 libavutil/opt.h.
417
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4182010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
419 Make the AVFilterLink fields srcpad and dstpad store the pointers to
420 the source and destination pads, rather than their indexes.
421
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4222010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
423 Move av_get_token() from libavfilter/parseutils.h to
424 libavutil/avstring.h.
425
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4262010-09-26 - r32368 - lsws 0.12.0 - swscale.h
427 Add the functions sws_alloc_context() and sws_init_context().
428
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4292010-09-26 - r25210 - lavu 50.29.0 - opt.h
430 Move libavcodec/opt.h to libavutil/opt.h.
431
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4322010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
433 Default of av_log() changed due to many problems to the old no repeat
434 detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
435 enabling it for your app!.
436
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4372010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
438 Deprecate av_opt_show() in favor or av_opt_show2().
439
4402010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
441 Add av_popcount() to libavutil/common.h.
442
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4432010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
444 Add av_get_cpu_flags().
445
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4462010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
447 Add av_image_copy().
448
4492010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
450 Add av_image_copy_plane().
451
1904035b
SS
4522010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
453 Adopt hierarchical scheme for the imgutils.h function names,
454 deprecate the old names.
455
47806f41
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4562010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
457 Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
458 of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
459
798dc641
SS
4602010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
461 Add avcodec_get_channel_layout() in audioconvert.h.
462
26553088
SS
4632010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
464 Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
465
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4662010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
467 Add av_fill_image_max_pixstep() in imgutils.h.
468
7f38d28c
SS
4692010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
470 Add the AV_NE macro.
471
3f52a907
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4722010-08-17 - r24811 - lavfi 1.36.0 - audio framework
473 Implement AVFilterBufferRefAudioProps struct for audio properties,
474 get_audio_buffer(), filter_samples() functions and related changes.
475
d1a04371
SS
4762010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
477 Add av_get_image_linesize() in imgutils.h.
478
5bf840c4
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4792010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
480 Resize data and linesize arrays in AVFilterBufferRef to 8.
481
482 This change breaks libavfilter API/ABI.
483
c6a34954
SS
4842010-08-11 - r24768 - lavc 52.85.0 - av_picture_data_copy()
485 Add av_picture_data_copy in avcodec.h.
486
c7c7feaa
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4872010-08-11 - r24765 - lavfi 1.33.0 - avfilter_open()
488 Change avfilter_open() signature:
489 AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name) ->
490 int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
491
492 This change breaks libavfilter API/ABI.
493
ad0d70c9
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4942010-08-11 - r24763 - lavfi 1.32.0 - AVFilterBufferRef
495 Add a type field to AVFilterBufferRef, and move video specific
496 properties to AVFilterBufferRefVideoProps.
497
4bf2d6e8 498 This change breaks libavfilter API/ABI.
ad0d70c9 499
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5002010-08-07 - r24732 - lavfi 1.31.0 - AVFilterLink
501 Rename AVFilterLink fields:
502 AVFilterLink.srcpic -> AVFilterLink.src_buf
503 AVFilterLink.cur_pic -> AVFilterLink.cur_buf
504 AVFilterLink.outpic -> AVFilterLink.out_buf
505
5062010-08-07 - r24731 - lavfi 1.30.0
507 Rename functions and fields:
508 avfilter_(un)ref_pic -> avfilter_(un)ref_buffer
509 avfilter_copy_picref_props -> avfilter_copy_buffer_ref_props
510 AVFilterBufferRef.pic -> AVFilterBufferRef.buffer
511
5122010-08-07 - r24730 - lavfi 1.29.0 - AVFilterBufferRef
513 Rename AVFilterPicRef to AVFilterBufferRef.
514
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5152010-08-07 - r24728 - lavfi 1.28.0 - AVFilterBuffer
516 Move format field from AVFilterBuffer to AVFilterPicRef.
517
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5182010-08-06 - r24709 - lavcore 0.3.0 - av_check_image_size()
519 Deprecate avcodec_check_dimensions() in favor of the function
520 av_check_image_size() defined in libavcore/imgutils.h.
521
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5222010-07-30 - r24592 - lavfi 1.27.0 - AVFilterBuffer
523 Increase size of the arrays AVFilterBuffer.data and
524 AVFilterBuffer.linesize from 4 to 8.
525
526 This change breaks libavfilter ABI.
527
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5282010-07-29 - r24583 - lavcore 0.2.0 - imgutils.h
529 Add functions av_fill_image_linesizes() and
530 av_fill_image_pointers(), declared in libavcore/imgutils.h.
531
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5322010-07-27 - r24518 - lavcore 0.1.0 - parseutils.h
533 Deprecate av_parse_video_frame_size() and av_parse_video_frame_rate()
534 defined in libavcodec in favor of the newly added functions
535 av_parse_video_size() and av_parse_video_rate() declared in
536 libavcore/parseutils.h.
537
c257c752
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5382010-07-23 - r24439 - lavu 50.23.0 - mathematics.h
539 Add the M_PHI constant definition.
540
73642926
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5412010-07-22 - r24424 - lavfi 1.26.0 - media format generalization
542 Add a type field to AVFilterLink.
543
544 Change the field types:
545 enum PixelFormat format -> int format in AVFilterBuffer
546 enum PixelFormat *formats -> int *formats in AVFilterFormats
547 enum PixelFormat *format -> int format in AVFilterLink
548
549 Change the function signatures:
550 AVFilterFormats *avfilter_make_format_list(const enum PixelFormat *pix_fmts); ->
551 AVFilterFormats *avfilter_make_format_list(const int *fmts);
552
553 int avfilter_add_colorspace(AVFilterFormats **avff, enum PixelFormat pix_fmt); ->
554 int avfilter_add_format (AVFilterFormats **avff, int fmt);
555
556 AVFilterFormats *avfilter_all_colorspaces(void); ->
557 AVFilterFormats *avfilter_all_formats (enum AVMediaType type);
558
559 This change breaks libavfilter API/ABI.
560
a33e0365
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5612010-07-21 - r24393 - lavcore 0.0.0
562 Add libavcore.
563
8e9d9308
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5642010-07-17 - r24291 - lavfi 1.25.0 - AVFilterBuffer
565 Remove w and h fields from AVFilterBuffer.
566
9840147d
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5672010-07-17 - r24284 - lavfi 1.24.0 - AVFilterBuffer
568 Rename AVFilterPic to AVFilterBuffer.
569
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5702010-07-17 - r24278 - lavf 52.74.0 - url_fskip()
571 Make url_fskip() return an int error code instead of void.
572
37497979 5732010-07-11 - r24199 - lavc 52.83.0
6f5ac9c1 574 Add AVCodecContext.lpc_type and AVCodecContext.lpc_passes fields.
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575 Add AVLPCType enum.
576 Deprecate AVCodecContext.use_lpc.
577
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5782010-07-11 - r24185 - lavc 52.82.0 - avsubtitle_free()
579 Add a function for free the contents of a AVSubtitle generated by
580 avcodec_decode_subtitle.
581
617d56ca
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5822010-07-11 - r24174 - lavu 50.22.0 - bswap.h and intreadwrite.h
583 Make the bswap.h and intreadwrite.h API public.
584
52706b95
SS
5852010-07-08 - r24101 - lavu 50.21.0 - pixdesc.h
586 Rename read/write_line() to av_read/write_image_line().
587
5882010-07-07 - r24091 - lavfi 1.21.0 - avfilter_copy_picref_props()
16400da6 589 Add avfilter_copy_picref_props().
52706b95 590
34171e87 5912010-07-03 - r24021 - lavc 52.79.0
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592 Add FF_COMPLIANCE_UNOFFICIAL and change all instances of
593 FF_COMPLIANCE_INOFFICIAL to use FF_COMPLIANCE_UNOFFICIAL.
34171e87 594
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5952010-07-02 - r23985 - lavu 50.20.0 - lfg.h
596 Export av_lfg_init(), av_lfg_get(), av_mlfg_get(), and av_bmg_get() through
597 lfg.h.
598
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5992010-06-28 - r23835 - lavfi 1.20.1 - av_parse_color()
600 Extend av_parse_color() syntax, make it accept an alpha value specifier and
601 set the alpha value to 255 by default.
602
58cc11c7 6032010-06-22 - r23706 - lavf 52.71.0 - URLProtocol.priv_data_size, priv_data_class
16400da6 604 Add priv_data_size and priv_data_class to URLProtocol.
58cc11c7 605
4636f115 6062010-06-22 - r23704 - lavf 52.70.0 - url_alloc(), url_connect()
16400da6 607 Add url_alloc() and url_connect().
4636f115 608
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6092010-06-22 - r23702 - lavf 52.69.0 - av_register_protocol2()
610 Add av_register_protocol2(), deprecating av_register_protocol().
6c4cbc8d 611
276b45af
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6122010-06-09 - r23551 - lavu 50.19.0 - av_compare_mod()
613 Add av_compare_mod() to libavutil/mathematics.h.
614
4cd5100c
SS
6152010-06-05 - r23485 - lavu 50.18.0 - eval API
616 Make the eval API public.
617
6532c6f9
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6182010-06-04 - r23461 - lavu 50.17.0 - AV_BASE64_SIZE
619 Add AV_BASE64_SIZE() macro.
620
16400da6 6212010-06-02 - r23421 - lavc 52.73.0 - av_get_codec_tag_string()
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622 Add av_get_codec_tag_string().
623
7f464a0a 6242010-06-01 - r31301 - lsws 0.11.0 - convertPalette API
16400da6 625 Add sws_convertPalette8ToPacked32() and sws_convertPalette8ToPacked24().
7f464a0a 626
fe9c2007
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6272010-05-26 - r23334 - lavc 52.72.0 - CODEC_CAP_EXPERIMENTAL
628 Add CODEC_CAP_EXPERIMENTAL flag.
95c851e2 629 NOTE: this was backported to 0.6
fe9c2007 630
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SS
6312010-05-23 - r23255 - lavu 50.16.0 - av_get_random_seed()
632 Add av_get_random_seed().
cca68a54 633
b724102a 6342010-05-18 - r23161 - lavf 52.63.0 - AVFMT_FLAG_RTP_HINT
16400da6 635 Add AVFMT_FLAG_RTP_HINT as possible value for AVFormatContext.flags.
95c851e2 636 NOTE: this was backported to 0.6
b724102a 637
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6382010-05-09 - r23066 - lavfi 1.20.0 - AVFilterPicRef
639 Add interlaced and top_field_first fields to AVFilterPicRef.
640
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641------------------------------8<-------------------------------------
642 0.6 branch was cut here
643----------------------------->8--------------------------------------
644
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6452010-05-01 - r23002 - lavf 52.62.0 - probe function
646 Add av_probe_input_format2 to API, it allows ignoring probe
647 results below given score and returns the actual probe score.
648
2100348c 6492010-04-01 - r22806 - lavf 52.61.0 - metadata API
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650 Add a flag for av_metadata_set2() to disable overwriting of
651 existing tags.
652
0fb49b59 6532010-04-01 - r22753 - lavc 52.66.0
16400da6 654 Add avcodec_get_edge_width().
0fb49b59 655
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6562010-03-31 - r22750 - lavc 52.65.0
657 Add avcodec_copy_context().
658
e33f1fa0
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6592010-03-31 - r22748 - lavf 52.60.0 - av_match_ext()
660 Make av_match_ext() public.
661
fc8b1075
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6622010-03-31 - r22736 - lavu 50.14.0 - AVMediaType
663 Move AVMediaType enum from libavcodec to libavutil.
664
6652010-03-31 - r22735 - lavc 52.64.0 - AVMediaType
666 Define AVMediaType enum, and use it instead of enum CodecType, which
667 is deprecated and will be dropped at the next major bump.
668
82ba847e
SS
6692010-03-25 - r22684 - lavu 50.13.0 - av_strerror()
670 Implement av_strerror().
671
69087742 6722010-03-23 - r22649 - lavc 52.60.0 - av_dct_init()
16400da6 673 Support DCT-I and DST-I.
e1484ebe 674
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6752010-03-15 - r22540 - lavf 52.56.0 - AVFormatContext.start_time_realtime
676 Add AVFormatContext.start_time_realtime field.
677
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SS
6782010-03-13 - r22506 - lavfi 1.18.0 - AVFilterPicRef.pos
679 Add AVFilterPicRef.pos field.
680
99de2b59
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6812010-03-13 - r22501 - lavu 50.12.0 - error.h
682 Move error code definitions from libavcodec/avcodec.h to
683 the new public header libavutil/error.h.
684
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MR
6852010-03-07 - r22291 - lavc 52.56.0 - avfft.h
686 Add public FFT interface.
687
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6882010-03-06 - r22251 - lavu 50.11.0 - av_stristr()
689 Add av_stristr().
690
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6912010-03-03 - r22174 - lavu 50.10.0 - av_tree_enumerate()
692 Add av_tree_enumerate().
693
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6942010-02-07 - r21673 - lavu 50.9.0 - av_compare_ts()
695 Add av_compare_ts().
696
e49407ee
SS
6972010-02-05 - r30513 - lsws 0.10.0 - sws_getCoefficients()
698 Add sws_getCoefficients().
699
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7002010-02-01 - r21587 - lavf 52.50.0 - metadata API
701 Add a list of generic tag names, change 'author' -> 'artist',
702 'year' -> 'date'.
703
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SS
7042010-01-30 - r21545 - lavu 50.8.0 - av_get_pix_fmt()
705 Add av_get_pix_fmt().
706
16400da6 7072010-01-21 - r30381 - lsws 0.9.0 - sws_scale()
e49407ee
SS
708 Change constness attributes of sws_scale() parameters.
709
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7102010-01-10 - r21121 - lavfi 1.15.0 - avfilter_graph_config_links()
711 Add a log_ctx parameter to avfilter_graph_config_links().
712
16400da6 7132010-01-07 - r30236 - lsws 0.8.0 - sws_isSupported{In,Out}put()
1c790092 714 Add sws_isSupportedInput() and sws_isSupportedOutput() functions.
715cff9a 715
1e289b09
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7162010-01-06 - r21035 - lavfi 1.14.0 - avfilter_add_colorspace()
717 Change the avfilter_add_colorspace() signature, make it accept an
718 (AVFilterFormats **) rather than an (AVFilterFormats *) as before.
719
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7202010-01-03 - r21007 - lavfi 1.13.0 - avfilter_add_colorspace()
721 Add avfilter_add_colorspace().
722
79c2f2d3
SS
7232010-01-02 - r20998 - lavf 52.46.0 - av_match_ext()
724 Add av_match_ext(), it should be used in place of match_ext().
725
bb1a8793
SS
7262010-01-01 - r20991 - lavf 52.45.0 - av_guess_format()
727 Add av_guess_format(), it should be used in place of guess_format().
728
b8f11ec8 7292009-12-13 - r20834 - lavf 52.43.0 - metadata API
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SS
730 Add av_metadata_set2(), AV_METADATA_DONT_STRDUP_KEY and
731 AV_METADATA_DONT_STRDUP_VAL.
b8f11ec8 732
60a92a77 7332009-12-13 - r20829 - lavu 50.7.0 - avstring.h API
f69d394f 734 Add av_d2str().
60a92a77 735
c3d15329 7362009-12-13 - r20826 - lavc 52.42.0 - AVStream
f69d394f 737 Add avg_frame_rate.
c3d15329 738
54c24216
SS
7392009-12-12 - r20808 - lavu 50.6.0 - av_bmg_next()
740 Introduce the av_bmg_next() function.
741
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7422009-12-05 - r20734 - lavfi 1.12.0 - avfilter_draw_slice()
743 Add a slice_dir parameter to avfilter_draw_slice().
744
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7452009-11-26 - r20611 - lavfi 1.11.0 - AVFilter
746 Remove the next field from AVFilter, this is not anymore required.
747
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7482009-11-25 - r20607 - lavfi 1.10.0 - avfilter_next()
749 Introduce the avfilter_next() function.
750
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7512009-11-25 - r20605 - lavfi 1.9.0 - avfilter_register()
752 Change the signature of avfilter_register() to make it return an
753 int. This is required since now the registration operation may fail.
754
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7552009-11-25 - r20603 - lavu 50.5.0 - pixdesc.h API
756 Make the pixdesc.h API public.
757
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7582009-10-27 - r20385 - lavfi 1.5.0 - AVFilter.next
759 Add a next field to AVFilter, this is used for simplifying the
760 registration and management of the registered filters.
761
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7622009-10-23 - r20356 - lavfi 1.4.1 - AVFilter.description
763 Add a description field to AVFilter.
01537e9f 764
027e85d8
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7652009-10-19 - r20302 - lavfi 1.3.0 - avfilter_make_format_list()
766 Change the interface of avfilter_make_format_list() from
767 avfilter_make_format_list(int n, ...) to
768 avfilter_make_format_list(enum PixelFormat *pix_fmts).
769
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7702009-10-18 - r20272 - lavfi 1.0.0 - avfilter_get_video_buffer()
771 Make avfilter_get_video_buffer() recursive and add the w and h
772 parameters to it.
773
04670366 7742009-10-07 - r20189 - lavfi 0.5.1 - AVFilterPic
227d1b98 775 Add w and h fields to AVFilterPic.
04670366 776
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7772009-06-22 - r19250 - lavf 52.34.1 - AVFormatContext.packet_size
778 This is now an unsigned int instead of a signed int.
779
4bbe788a 7802009-06-19 - r19222 - lavc 52.32.0 - AVSubtitle.pts
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DB
781 Add a pts field to AVSubtitle which gives the subtitle packet pts
782 in AV_TIME_BASE. Some subtitle de-/encoders (e.g. XSUB) will
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RD
783 not work right without this.
784
8f3f2e06 7852009-06-03 - r19078 - lavc 52.30.2 - AV_PKT_FLAG_KEY
227d1b98 786 PKT_FLAG_KEY has been deprecated and will be dropped at the next
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RD
787 major version. Use AV_PKT_FLAG_KEY instead.
788
f988ce6c
7892009-06-01 - r19025 - lavc 52.30.0 - av_lockmgr_register()
790 av_lockmgr_register() can be used to register a callback function
791 that lavc (and in the future, libraries that depend on lavc) can use
792 to implement mutexes. The application should provide a callback function
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DB
793 that implements the AV_LOCK_* operations described in avcodec.h.
794 When the lock manager is registered, FFmpeg is guaranteed to behave
795 correctly in a multi-threaded application.
f988ce6c 796
16400da6 7972009-04-30 - r18719 - lavc 52.28.0 - av_free_packet()
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798 av_free_packet() is no longer an inline function. It is now exported.
799
16400da6 8002009-04-11 - r18431 - lavc 52.25.0 - deprecate av_destruct_packet_nofree()
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801 Please use NULL instead. This has been supported since r16506
802 (lavf > 52.23.1, lavc > 52.10.0).
803
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8042009-04-07 - r18351 - lavc 52.23.0 - avcodec_decode_video/audio/subtitle
805 The old decoding functions are deprecated, all new code should use the
806 new functions avcodec_decode_video2(), avcodec_decode_audio3() and
807 avcodec_decode_subtitle2(). These new functions take an AVPacket *pkt
808 argument instead of a const uint8_t *buf / int buf_size pair.
809
16400da6 8102009-04-03 - r18321 - lavu 50.3.0 - av_fifo_space()
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SS
811 Introduce the av_fifo_space() function.
812
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8132009-04-02 - r18317 - lavc 52.23.0 - AVPacket
814 Move AVPacket declaration from libavformat/avformat.h to
815 libavcodec/avcodec.h.
816
5a43bbc3 8172009-03-22 - r18163 - lavu 50.2.0 - RGB32 pixel formats
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DB
818 Convert the pixel formats PIX_FMT_ARGB, PIX_FMT_RGBA, PIX_FMT_ABGR,
819 PIX_FMT_BGRA, which were defined as macros, into enum PixelFormat values.
820 Conversely PIX_FMT_RGB32, PIX_FMT_RGB32_1, PIX_FMT_BGR32 and
821 PIX_FMT_BGR32_1 are now macros.
822 avcodec_get_pix_fmt() now recognizes the "rgb32" and "bgr32" aliases.
f3370e14 823 Re-sort the enum PixelFormat list accordingly.
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824 This change breaks API/ABI backward compatibility.
825
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8262009-03-22 - r18133 - lavu 50.1.0 - PIX_FMT_RGB5X5 endian variants
827 Add the enum PixelFormat values:
828 PIX_FMT_RGB565BE, PIX_FMT_RGB565LE, PIX_FMT_RGB555BE, PIX_FMT_RGB555LE,
829 PIX_FMT_BGR565BE, PIX_FMT_BGR565LE, PIX_FMT_BGR555BE, PIX_FMT_BGR555LE.
830
b4656e6b 8312009-03-21 - r18116 - lavu 50.0.0 - av_random*
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832 The Mersenne Twister PRNG implemented through the av_random* functions
833 was removed. Use the lagged Fibonacci PRNG through the av_lfg* functions
834 instead.
835
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8362009-03-08 - r17869 - lavu 50.0.0 - AVFifoBuffer
837 av_fifo_init, av_fifo_read, av_fifo_write and av_fifo_realloc were dropped
838 and replaced by av_fifo_alloc, av_fifo_generic_read, av_fifo_generic_write
839 and av_fifo_realloc2.
840 In addition, the order of the function arguments of av_fifo_generic_read
227d1b98 841 was changed to match av_fifo_generic_write.
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842 The AVFifoBuffer/struct AVFifoBuffer may only be used in an opaque way by
843 applications, they may not use sizeof() or directly access members.
22d4f236 844
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8452009-03-01 - r17682 - lavf 52.31.0 - Generic metadata API
846 Introduce a new metadata API (see av_metadata_get() and friends).
847 The old API is now deprecated and should not be used anymore. This especially
429d6b21 848 includes the following structure fields:
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849 - AVFormatContext.title
850 - AVFormatContext.author
851 - AVFormatContext.copyright
852 - AVFormatContext.comment
853 - AVFormatContext.album
854 - AVFormatContext.year
855 - AVFormatContext.track
856 - AVFormatContext.genre
857 - AVStream.language
858 - AVStream.filename
859 - AVProgram.provider_name
860 - AVProgram.name
861 - AVChapter.title