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1 04d7f601 Diego Biurrun
/*
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 * copyright (c) 2001 Fabrice Bellard
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 *
4 b78e7197 Diego Biurrun
 * This file is part of FFmpeg.
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 *
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 * FFmpeg is free software; you can redistribute it and/or
7 04d7f601 Diego Biurrun
 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
9 b78e7197 Diego Biurrun
 * version 2.1 of the License, or (at your option) any later version.
10 04d7f601 Diego Biurrun
 *
11 b78e7197 Diego Biurrun
 * FFmpeg is distributed in the hope that it will be useful,
12 04d7f601 Diego Biurrun
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
17 b78e7197 Diego Biurrun
 * License along with FFmpeg; if not, write to the Free Software
18 e5a389a1 Diego Biurrun
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 04d7f601 Diego Biurrun
 */
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21 98790382 Stefano Sabatini
#ifndef AVCODEC_AVCODEC_H
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#define AVCODEC_AVCODEC_H
23 a96b68b7 Fabrice Bellard
24 36df8805 Michael Niedermayer
/**
25 ba87f080 Diego Biurrun
 * @file
26 f5bccd85 Diego Biurrun
 * external API header
27 36df8805 Michael Niedermayer
 */
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29 c60208e7 Diego Biurrun
#include <errno.h>
30 262d1c5d Stefano Sabatini
#include "libavcore/samplefmt.h"
31 76a448ed Måns Rullgård
#include "libavutil/avutil.h"
32 7160bb71 Stefano Sabatini
#include "libavutil/cpu.h"
33 de6d9b64 Fabrice Bellard
34 dd1c8f3e Luca Abeni
#define LIBAVCODEC_VERSION_MAJOR 52
35 f5b82f45 Tomas Härdin
#define LIBAVCODEC_VERSION_MINOR 109
36 060ec0a8 Anssi Hannula
#define LIBAVCODEC_VERSION_MICRO  0
37 e97ac1e6 Måns Rullgård
38 800c289a Måns Rullgård
#define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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                                               LIBAVCODEC_VERSION_MINOR, \
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                                               LIBAVCODEC_VERSION_MICRO)
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#define LIBAVCODEC_VERSION      AV_VERSION(LIBAVCODEC_VERSION_MAJOR,    \
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                                           LIBAVCODEC_VERSION_MINOR,    \
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                                           LIBAVCODEC_VERSION_MICRO)
44 bb270c08 Diego Biurrun
#define LIBAVCODEC_BUILD        LIBAVCODEC_VERSION_INT
45 5aa083ee Michael Niedermayer
46 bb270c08 Diego Biurrun
#define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
47 ce2749d2 Alex Beregszaszi
48 eda7c983 Aurelien Jacobs
/**
49
 * Those FF_API_* defines are not part of public API.
50
 * They may change, break or disappear at any time.
51
 */
52
#ifndef FF_API_PALETTE_CONTROL
53
#define FF_API_PALETTE_CONTROL  (LIBAVCODEC_VERSION_MAJOR < 54)
54
#endif
55 8ef38f3f Stefano Sabatini
#ifndef FF_API_MM_FLAGS
56 7160bb71 Stefano Sabatini
#define FF_API_MM_FLAGS         (LIBAVCODEC_VERSION_MAJOR < 53)
57 8ef38f3f Stefano Sabatini
#endif
58 e44c0156 Stefano Sabatini
#ifndef FF_API_OPT_SHOW
59
#define FF_API_OPT_SHOW         (LIBAVCODEC_VERSION_MAJOR < 53)
60
#endif
61 a377cfa6 Aurelien Jacobs
#ifndef FF_API_AUDIO_OLD
62
#define FF_API_AUDIO_OLD        (LIBAVCODEC_VERSION_MAJOR < 53)
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#endif
64 164bc38c Aurelien Jacobs
#ifndef FF_API_VIDEO_OLD
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#define FF_API_VIDEO_OLD        (LIBAVCODEC_VERSION_MAJOR < 53)
66
#endif
67 448ce925 Aurelien Jacobs
#ifndef FF_API_SUBTITLE_OLD
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#define FF_API_SUBTITLE_OLD     (LIBAVCODEC_VERSION_MAJOR < 53)
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#endif
70 0743de4f Aurelien Jacobs
#ifndef FF_API_USE_LPC
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#define FF_API_USE_LPC          (LIBAVCODEC_VERSION_MAJOR < 53)
72
#endif
73 838dc131 Aurelien Jacobs
#ifndef FF_API_SET_STRING_OLD
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#define FF_API_SET_STRING_OLD   (LIBAVCODEC_VERSION_MAJOR < 53)
75
#endif
76 59b4e5ba Aurelien Jacobs
#ifndef FF_API_INOFFICIAL
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#define FF_API_INOFFICIAL       (LIBAVCODEC_VERSION_MAJOR < 53)
78
#endif
79 262d1c5d Stefano Sabatini
#ifndef FF_API_OLD_SAMPLE_FMT
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#define FF_API_OLD_SAMPLE_FMT   (LIBAVCODEC_VERSION_MAJOR < 53)
81
#endif
82 176a6157 Stefano Sabatini
#ifndef FF_API_OLD_AUDIOCONVERT
83 63e8d976 Stefano Sabatini
#define FF_API_OLD_AUDIOCONVERT (LIBAVCODEC_VERSION_MAJOR < 53)
84 176a6157 Stefano Sabatini
#endif
85 eda7c983 Aurelien Jacobs
86 372c3f82 Michael Niedermayer
#if LIBAVCODEC_VERSION_MAJOR < 53
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#   define FF_INTERNALC_MEM_TYPE unsigned int
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#else
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#   define FF_INTERNALC_MEM_TYPE size_t
90
#endif
91
92 7ebf5927 Michael Niedermayer
/**
93 48966b02 Måns Rullgård
 * Identify the syntax and semantics of the bitstream.
94 6b0cdb6e Nicolas George
 * The principle is roughly:
95
 * Two decoders with the same ID can decode the same streams.
96
 * Two encoders with the same ID can encode compatible streams.
97
 * There may be slight deviations from the principle due to implementation
98
 * details.
99 7ebf5927 Michael Niedermayer
 *
100 f5bccd85 Diego Biurrun
 * If you add a codec ID to this list, add it so that
101
 * 1. no value of a existing codec ID changes (that would break ABI),
102
 * 2. it is as close as possible to similar codecs.
103 7ebf5927 Michael Niedermayer
 */
104 de6d9b64 Fabrice Bellard
enum CodecID {
105 115329f1 Diego Biurrun
    CODEC_ID_NONE,
106 ba0dabbf Diego Biurrun
107
    /* video codecs */
108 de6d9b64 Fabrice Bellard
    CODEC_ID_MPEG1VIDEO,
109 0e373b95 Michael Niedermayer
    CODEC_ID_MPEG2VIDEO, ///< preferred ID for MPEG-1/2 video decoding
110 fb364ada Ivan Kalvachev
    CODEC_ID_MPEG2VIDEO_XVMC,
111 c6148de2 Michael Niedermayer
    CODEC_ID_H261,
112 de6d9b64 Fabrice Bellard
    CODEC_ID_H263,
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    CODEC_ID_RV10,
114 68b94c35 Michael Niedermayer
    CODEC_ID_RV20,
115 de6d9b64 Fabrice Bellard
    CODEC_ID_MJPEG,
116 b135d9fb Alex Beregszaszi
    CODEC_ID_MJPEGB,
117 b1e6b355 Michael Niedermayer
    CODEC_ID_LJPEG,
118 5e83dec4 Alex Beregszaszi
    CODEC_ID_SP5X,
119 5639729b Michael Niedermayer
    CODEC_ID_JPEGLS,
120 bf89e6b1 Fabrice Bellard
    CODEC_ID_MPEG4,
121 de6d9b64 Fabrice Bellard
    CODEC_ID_RAWVIDEO,
122 84afee34 Michael Niedermayer
    CODEC_ID_MSMPEG4V1,
123
    CODEC_ID_MSMPEG4V2,
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    CODEC_ID_MSMPEG4V3,
125 e1a9dbff Michael Niedermayer
    CODEC_ID_WMV1,
126 b50eef3a Michael Niedermayer
    CODEC_ID_WMV2,
127 de6d9b64 Fabrice Bellard
    CODEC_ID_H263P,
128
    CODEC_ID_H263I,
129 d4f5d74a Garrick Meeker
    CODEC_ID_FLV1,
130 be8ffec9 Nick Kurshev
    CODEC_ID_SVQ1,
131 8b82a956 Michael Niedermayer
    CODEC_ID_SVQ3,
132 020fcc94 Fabrice Bellard
    CODEC_ID_DVVIDEO,
133 11f18faf Michael Niedermayer
    CODEC_ID_HUFFYUV,
134 f70f7c6d Michael Niedermayer
    CODEC_ID_CYUV,
135 0da71265 Michael Niedermayer
    CODEC_ID_H264,
136 deabd4fd Mike Melanson
    CODEC_ID_INDEO3,
137 d86053a4 Mike Melanson
    CODEC_ID_VP3,
138 f44ee2c3 Alex Beregszaszi
    CODEC_ID_THEORA,
139 3d2e8cce Michael Niedermayer
    CODEC_ID_ASV1,
140 9b56edf5 Michael Niedermayer
    CODEC_ID_ASV2,
141 5e20f836 Michael Niedermayer
    CODEC_ID_FFV1,
142 e2a7bb28 Mike Melanson
    CODEC_ID_4XM,
143 be3564ed Michael Niedermayer
    CODEC_ID_VCR1,
144 3aff069b Alex Beregszaszi
    CODEC_ID_CLJR,
145 c3bf0288 Michael Niedermayer
    CODEC_ID_MDEC,
146 3ef8be2b Mike Melanson
    CODEC_ID_ROQ,
147
    CODEC_ID_INTERPLAY_VIDEO,
148 9937e686 Mike Melanson
    CODEC_ID_XAN_WC3,
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    CODEC_ID_XAN_WC4,
150 2fdf638b Mike Melanson
    CODEC_ID_RPZA,
151
    CODEC_ID_CINEPAK,
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    CODEC_ID_WS_VQA,
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    CODEC_ID_MSRLE,
154
    CODEC_ID_MSVIDEO1,
155 4120a53a Mike Melanson
    CODEC_ID_IDCIN,
156 1dc1ed99 Roberto Togni
    CODEC_ID_8BPS,
157 11e29a41 Mike Melanson
    CODEC_ID_SMC,
158 42cad81a Mike Melanson
    CODEC_ID_FLIC,
159 9a4117d5 Mike Melanson
    CODEC_ID_TRUEMOTION1,
160 fafa0b75 Mike Melanson
    CODEC_ID_VMDVIDEO,
161 a273bbfb Roberto Togni
    CODEC_ID_MSZH,
162
    CODEC_ID_ZLIB,
163 070ed1bc Mike Melanson
    CODEC_ID_QTRLE,
164 791e7b83 Michael Niedermayer
    CODEC_ID_SNOW,
165 9d53d58e Mike Melanson
    CODEC_ID_TSCC,
166 d0a0bbd2 Mike Melanson
    CODEC_ID_ULTI,
167 d08d7142 Mike Melanson
    CODEC_ID_QDRAW,
168 ab711b3c Mike Melanson
    CODEC_ID_VIXL,
169 acfd8f0f Mike Melanson
    CODEC_ID_QPEG,
170 382b5b3a Aurelien Jacobs
#if LIBAVCODEC_VERSION_MAJOR < 53
171 17179d2d Michael Niedermayer
    CODEC_ID_XVID,
172 382b5b3a Aurelien Jacobs
#endif
173 17179d2d Michael Niedermayer
    CODEC_ID_PNG,
174
    CODEC_ID_PPM,
175
    CODEC_ID_PBM,
176
    CODEC_ID_PGM,
177
    CODEC_ID_PGMYUV,
178
    CODEC_ID_PAM,
179 f37b9768 Loren Merritt
    CODEC_ID_FFVHUFF,
180 3f05305d Michael Niedermayer
    CODEC_ID_RV30,
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    CODEC_ID_RV40,
182 10b9c374 Kostya Shishkov
    CODEC_ID_VC1,
183 21aa398f Alex Beregszaszi
    CODEC_ID_WMV3,
184 9c7fb608 Mike Melanson
    CODEC_ID_LOCO,
185 a8a15e9d Mike Melanson
    CODEC_ID_WNV1,
186 589f8220 Mike Melanson
    CODEC_ID_AASC,
187 856dbbff Michael Niedermayer
    CODEC_ID_INDEO2,
188 b81f8949 Mike Melanson
    CODEC_ID_FRAPS,
189 64af6168 Mike Melanson
    CODEC_ID_TRUEMOTION2,
190 9fa62f2a Måns Rullgård
    CODEC_ID_BMP,
191 e0f80bd7 Reimar Döffinger
    CODEC_ID_CSCD,
192 4e114829 Mike Melanson
    CODEC_ID_MMVIDEO,
193 9c8d8e84 Mike Melanson
    CODEC_ID_ZMBV,
194 26376701 Mike Melanson
    CODEC_ID_AVS,
195 348efc18 Kostya Shishkov
    CODEC_ID_SMACKVIDEO,
196 dfca23e3 Reimar Döffinger
    CODEC_ID_NUV,
197 fd7b1991 Kostya Shishkov
    CODEC_ID_KMVC,
198 0919e788 Benjamin Larsson
    CODEC_ID_FLASHSV,
199 20ffddb9 Stefan Gehrer
    CODEC_ID_CAVS,
200 f31065f6 Baptiste Coudurier
    CODEC_ID_JPEG2000,
201 eb57c889 Kostya Shishkov
    CODEC_ID_VMNC,
202 5ce117c3 Aurelien Jacobs
    CODEC_ID_VP5,
203
    CODEC_ID_VP6,
204
    CODEC_ID_VP6F,
205 3689cf16 Kostya Shishkov
    CODEC_ID_TARGA,
206 72450e50 Baptiste Coudurier
    CODEC_ID_DSICINVIDEO,
207 29f86228 Baptiste Coudurier
    CODEC_ID_TIERTEXSEQVIDEO,
208 a991b1fe Kostya Shishkov
    CODEC_ID_TIFF,
209 06d392a7 Baptiste Coudurier
    CODEC_ID_GIF,
210 3edeab82 Panagiotis Issaris
    CODEC_ID_FFH264,
211 33a0dd37 Kostya Shishkov
    CODEC_ID_DXA,
212 52b6bad2 Baptiste Coudurier
    CODEC_ID_DNXHD,
213 efb0c399 Diego Biurrun
    CODEC_ID_THP,
214 2d99eed1 Xiaohui Sun
    CODEC_ID_SGI,
215 9a0ddd09 Anssi Hannula
    CODEC_ID_C93,
216 1e6c6759 Nicholas Tung
    CODEC_ID_BETHSOFTVID,
217 b46d68c6 Ivo van Poorten
    CODEC_ID_PTX,
218 1ca779e7 Ivo van Poorten
    CODEC_ID_TXD,
219 91fc2cf1 Aurelien Jacobs
    CODEC_ID_VP6A,
220 8787d837 Vladimir Voroshilov
    CODEC_ID_AMV,
221 66f7679c Kostya Shishkov
    CODEC_ID_VB,
222 b4abe1d1 Ivo van Poorten
    CODEC_ID_PCX,
223 d43df959 Ivo van Poorten
    CODEC_ID_SUNRAST,
224 800b9c24 Benjamin Larsson
    CODEC_ID_INDEO4,
225
    CODEC_ID_INDEO5,
226 a7129de5 Ramiro Polla
    CODEC_ID_MIMIC,
227 975cdc8f Sascha Sommer
    CODEC_ID_RL2,
228 cb21e0a7 Jai Menon
    CODEC_ID_8SVX_EXP,
229
    CODEC_ID_8SVX_FIB,
230 40d26273 Eli Friedman
    CODEC_ID_ESCAPE124,
231 782a58ec Michael Niedermayer
    CODEC_ID_DIRAC,
232 b64c096b Sisir Koppaka
    CODEC_ID_BFI,
233 495900f7 Peter Ross
    CODEC_ID_CMV,
234 974e0eee Gregory Montoir
    CODEC_ID_MOTIONPIXELS,
235 cfc78718 Peter Ross
    CODEC_ID_TGV,
236 42b30357 Peter Ross
    CODEC_ID_TGQ,
237 d8964f3a Peter Ross
    CODEC_ID_TQI,
238 c21fbefb Kostya Shishkov
    CODEC_ID_AURA,
239
    CODEC_ID_AURA2,
240 97f92143 Michael Niedermayer
    CODEC_ID_V210X,
241 a1fd2bc3 Daniel Verkamp
    CODEC_ID_TMV,
242 ca0bb1c4 Baptiste Coudurier
    CODEC_ID_V210,
243 94d3d6a4 Jimmy Christensen
    CODEC_ID_DPX,
244 c63ea92b Peter Ross
    CODEC_ID_MAD,
245 d8b35b85 Reimar Döffinger
    CODEC_ID_FRWU,
246 0aa6a518 Daniel Verkamp
    CODEC_ID_FLASHSV2,
247 a3d995c1 Michael Tison
    CODEC_ID_CDGRAPHICS,
248 4aaab0a3 Reimar Döffinger
    CODEC_ID_R210,
249 a1ae40fd Peter Ross
    CODEC_ID_ANM,
250 4e5f42dd Daniel Verkamp
    CODEC_ID_BINKVIDEO,
251 b9e06ddd Peter Ross
    CODEC_ID_IFF_ILBM,
252
    CODEC_ID_IFF_BYTERUN1,
253 bf354122 Daniel Verkamp
    CODEC_ID_KGV1,
254 148bcae9 Mohamed Naufal
    CODEC_ID_YOP,
255 a98c2dfa Google
    CODEC_ID_VP8,
256 a526d619 Peter Ross
    CODEC_ID_PICTOR,
257 beaa963c Peter Ross
    CODEC_ID_ANSI,
258 40c5ee99 Tobias Bindhammer
    CODEC_ID_A64_MULTI,
259
    CODEC_ID_A64_MULTI5,
260 43836928 Zhou Zongyi
    CODEC_ID_R10K,
261 9d09ebf1 Anatoly Nenashev
    CODEC_ID_MXPEG,
262 d267b339 Carl Eugen Hoyos
    CODEC_ID_LAGARITH,
263 f5b82f45 Tomas Härdin
    CODEC_ID_PRORES,
264 40c5ee99 Tobias Bindhammer
265 f5bccd85 Diego Biurrun
    /* various PCM "codecs" */
266 17179d2d Michael Niedermayer
    CODEC_ID_PCM_S16LE= 0x10000,
267 a96b68b7 Fabrice Bellard
    CODEC_ID_PCM_S16BE,
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    CODEC_ID_PCM_U16LE,
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    CODEC_ID_PCM_U16BE,
270
    CODEC_ID_PCM_S8,
271
    CODEC_ID_PCM_U8,
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    CODEC_ID_PCM_MULAW,
273
    CODEC_ID_PCM_ALAW,
274 b461b3bc Reimar Döffinger
    CODEC_ID_PCM_S32LE,
275
    CODEC_ID_PCM_S32BE,
276
    CODEC_ID_PCM_U32LE,
277
    CODEC_ID_PCM_U32BE,
278
    CODEC_ID_PCM_S24LE,
279
    CODEC_ID_PCM_S24BE,
280
    CODEC_ID_PCM_U24LE,
281
    CODEC_ID_PCM_U24BE,
282
    CODEC_ID_PCM_S24DAUD,
283 a11c2a2c Michael Niedermayer
    CODEC_ID_PCM_ZORK,
284 725d86bf Aurelien Jacobs
    CODEC_ID_PCM_S16LE_PLANAR,
285 1472b7dd Lars Täuber
    CODEC_ID_PCM_DVD,
286 aa29709e Peter Ross
    CODEC_ID_PCM_F32BE,
287 143a5d6f Peter Ross
    CODEC_ID_PCM_F32LE,
288
    CODEC_ID_PCM_F64BE,
289
    CODEC_ID_PCM_F64LE,
290 5dd3707b Christian Schmidt
    CODEC_ID_PCM_BLURAY,
291 fbeabfca Tomas Härdin
    CODEC_ID_PCM_LXF,
292 0147f198 François Revol
293 f5bccd85 Diego Biurrun
    /* various ADPCM codecs */
294 17179d2d Michael Niedermayer
    CODEC_ID_ADPCM_IMA_QT= 0x11000,
295 0147f198 François Revol
    CODEC_ID_ADPCM_IMA_WAV,
296 9937e686 Mike Melanson
    CODEC_ID_ADPCM_IMA_DK3,
297
    CODEC_ID_ADPCM_IMA_DK4,
298 2fdf638b Mike Melanson
    CODEC_ID_ADPCM_IMA_WS,
299 7d8379f2 Mike Melanson
    CODEC_ID_ADPCM_IMA_SMJPEG,
300 0147f198 François Revol
    CODEC_ID_ADPCM_MS,
301 e2a7bb28 Mike Melanson
    CODEC_ID_ADPCM_4XM,
302 fc384777 Mike Melanson
    CODEC_ID_ADPCM_XA,
303
    CODEC_ID_ADPCM_ADX,
304 7d8379f2 Mike Melanson
    CODEC_ID_ADPCM_EA,
305 e5966052 Roman Shaposhnik
    CODEC_ID_ADPCM_G726,
306 b3bfb299 Mike Melanson
    CODEC_ID_ADPCM_CT,
307 659c3692 Alex Beregszaszi
    CODEC_ID_ADPCM_SWF,
308 2ff4524e Vidar Madsen
    CODEC_ID_ADPCM_YAMAHA,
309 2433f24f Aurelien Jacobs
    CODEC_ID_ADPCM_SBPRO_4,
310
    CODEC_ID_ADPCM_SBPRO_3,
311
    CODEC_ID_ADPCM_SBPRO_2,
312 d1e0d21f Marco Gerards
    CODEC_ID_ADPCM_THP,
313 3a7f5d07 Vitor Sessak
    CODEC_ID_ADPCM_IMA_AMV,
314 e7583962 Peter Ross
    CODEC_ID_ADPCM_EA_R1,
315
    CODEC_ID_ADPCM_EA_R3,
316
    CODEC_ID_ADPCM_EA_R2,
317 7bb65d89 Peter Ross
    CODEC_ID_ADPCM_IMA_EA_SEAD,
318 fac84d3c Peter Ross
    CODEC_ID_ADPCM_IMA_EA_EACS,
319 271b4095 Aurelien Jacobs
    CODEC_ID_ADPCM_EA_XAS,
320 861c63a2 Robert Marston
    CODEC_ID_ADPCM_EA_MAXIS_XA,
321 055dc116 Stefan Gehrer
    CODEC_ID_ADPCM_IMA_ISS,
322 58e37eaf Martin Storsjö
    CODEC_ID_ADPCM_G722,
323 891f64b3 joca@rixmail.se
324 17179d2d Michael Niedermayer
    /* AMR */
325
    CODEC_ID_AMR_NB= 0x12000,
326 d663a1fd Michael Niedermayer
    CODEC_ID_AMR_WB,
327
328 b8414bbd Nick Kurshev
    /* RealAudio codecs*/
329 17179d2d Michael Niedermayer
    CODEC_ID_RA_144= 0x13000,
330 b8414bbd Nick Kurshev
    CODEC_ID_RA_288,
331 3ef8be2b Mike Melanson
332
    /* various DPCM codecs */
333 17179d2d Michael Niedermayer
    CODEC_ID_ROQ_DPCM= 0x14000,
334 3ef8be2b Mike Melanson
    CODEC_ID_INTERPLAY_DPCM,
335 9937e686 Mike Melanson
    CODEC_ID_XAN_DPCM,
336 d08d7142 Mike Melanson
    CODEC_ID_SOL_DPCM,
337 115329f1 Diego Biurrun
338 ba0dabbf Diego Biurrun
    /* audio codecs */
339 17179d2d Michael Niedermayer
    CODEC_ID_MP2= 0x15000,
340 0e373b95 Michael Niedermayer
    CODEC_ID_MP3, ///< preferred ID for decoding MPEG audio layer 1, 2 or 3
341 17179d2d Michael Niedermayer
    CODEC_ID_AAC,
342
    CODEC_ID_AC3,
343
    CODEC_ID_DTS,
344
    CODEC_ID_VORBIS,
345
    CODEC_ID_DVAUDIO,
346
    CODEC_ID_WMAV1,
347
    CODEC_ID_WMAV2,
348
    CODEC_ID_MACE3,
349
    CODEC_ID_MACE6,
350
    CODEC_ID_VMDAUDIO,
351
    CODEC_ID_SONIC,
352
    CODEC_ID_SONIC_LS,
353 ac2570a8 Michael Niedermayer
    CODEC_ID_FLAC,
354 1ede228a Roberto Togni
    CODEC_ID_MP3ADU,
355 d2a7718d Roberto Togni
    CODEC_ID_MP3ON4,
356 85ad5695 Michael Niedermayer
    CODEC_ID_SHORTEN,
357 5df8a0c6 Michael Niedermayer
    CODEC_ID_ALAC,
358 034eeaa1 Mike Melanson
    CODEC_ID_WESTWOOD_SND1,
359 0e373b95 Michael Niedermayer
    CODEC_ID_GSM, ///< as in Berlin toast format
360 d9b1c197 Roberto Togni
    CODEC_ID_QDM2,
361 e0f7e329 Benjamin Larsson
    CODEC_ID_COOK,
362 bf3027c8 Diego Biurrun
    CODEC_ID_TRUESPEECH,
363 a24c4a2a Alex Beregszaszi
    CODEC_ID_TTA,
364 348efc18 Kostya Shishkov
    CODEC_ID_SMACKAUDIO,
365 6c496518 Benjamin Larsson
    CODEC_ID_QCELP,
366 730581f3 Kostya Shishkov
    CODEC_ID_WAVPACK,
367 72450e50 Baptiste Coudurier
    CODEC_ID_DSICINAUDIO,
368 84ed36da Kostya Shishkov
    CODEC_ID_IMC,
369 185c7b6b Kostya Shishkov
    CODEC_ID_MUSEPACK7,
370 aad512b4 Michael Niedermayer
    CODEC_ID_MLP,
371 f5bccd85 Diego Biurrun
    CODEC_ID_GSM_MS, /* as found in WAV */
372 10e26bc7 Benjamin Larsson
    CODEC_ID_ATRAC3,
373 8950f828 Michael Niedermayer
    CODEC_ID_VOXWARE,
374 bf4a1f17 Kostya Shishkov
    CODEC_ID_APE,
375 636b13c5 Benjamin Larsson
    CODEC_ID_NELLYMOSER,
376 12877faf Kostya Shishkov
    CODEC_ID_MUSEPACK8,
377 cb4ddf77 Reimar Döffinger
    CODEC_ID_SPEEX,
378 7bb8d51c Benjamin Larsson
    CODEC_ID_WMAVOICE,
379
    CODEC_ID_WMAPRO,
380 800b9c24 Benjamin Larsson
    CODEC_ID_WMALOSSLESS,
381 b339f0c6 Benjamin Larsson
    CODEC_ID_ATRAC3P,
382 2988c93d Justin Ruggles
    CODEC_ID_EAC3,
383 faeedbbb Benjamin Larsson
    CODEC_ID_SIPR,
384 7f507b2d Michael Niedermayer
    CODEC_ID_MP1,
385 616e899c Vitor Sessak
    CODEC_ID_TWINVQ,
386 9ba4821d Ramiro Polla
    CODEC_ID_TRUEHD,
387 b24bbbb4 Jai Menon
    CODEC_ID_MP4ALS,
388 223e8df1 Benjamin Larsson
    CODEC_ID_ATRAC1,
389 4e5f42dd Daniel Verkamp
    CODEC_ID_BINKAUDIO_RDFT,
390
    CODEC_ID_BINKAUDIO_DCT,
391 136e19e1 Janne Grunau
    CODEC_ID_AAC_LATM,
392 115329f1 Diego Biurrun
393 240c1657 Fabrice Bellard
    /* subtitle codecs */
394 115329f1 Diego Biurrun
    CODEC_ID_DVD_SUBTITLE= 0x17000,
395
    CODEC_ID_DVB_SUBTITLE,
396 0e373b95 Michael Niedermayer
    CODEC_ID_TEXT,  ///< raw UTF-8 text
397 7e2643ae Reimar Döffinger
    CODEC_ID_XSUB,
398 f9a9b350 Evgeniy Stepanov
    CODEC_ID_SSA,
399 cc8c2c6a Reimar Döffinger
    CODEC_ID_MOV_TEXT,
400 c58b82a2 Stephen Backway
    CODEC_ID_HDMV_PGS_SUBTITLE,
401 e58992e4 Francesco Lavra
    CODEC_ID_DVB_TELETEXT,
402 ba2c508d Aurelien Jacobs
    CODEC_ID_SRT,
403 115329f1 Diego Biurrun
404 7ce68923 Diego Biurrun
    /* other specific kind of codecs (generally used for attachments) */
405 f8d7c9d3 Evgeniy Stepanov
    CODEC_ID_TTF= 0x18000,
406
407 0bef08e5 Michael Niedermayer
    CODEC_ID_PROBE= 0x19000, ///< codec_id is not known (like CODEC_ID_NONE) but lavf should attempt to identify it
408
409 0e373b95 Michael Niedermayer
    CODEC_ID_MPEG2TS= 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
410 f5bccd85 Diego Biurrun
                                * stream (only used by libavformat) */
411 fd5b124d Anton Khirnov
    CODEC_ID_FFMETADATA=0x21000,   ///< Dummy codec for streams containing only metadata information.
412 de6d9b64 Fabrice Bellard
};
413 dcedf586 Fabrice Bellard
414 72415b2a Stefano Sabatini
#if LIBAVCODEC_VERSION_MAJOR < 53
415
#define CodecType AVMediaType
416
417
#define CODEC_TYPE_UNKNOWN    AVMEDIA_TYPE_UNKNOWN
418
#define CODEC_TYPE_VIDEO      AVMEDIA_TYPE_VIDEO
419
#define CODEC_TYPE_AUDIO      AVMEDIA_TYPE_AUDIO
420
#define CODEC_TYPE_DATA       AVMEDIA_TYPE_DATA
421
#define CODEC_TYPE_SUBTITLE   AVMEDIA_TYPE_SUBTITLE
422
#define CODEC_TYPE_ATTACHMENT AVMEDIA_TYPE_ATTACHMENT
423
#define CODEC_TYPE_NB         AVMEDIA_TYPE_NB
424
#endif
425
426 262d1c5d Stefano Sabatini
#if FF_API_OLD_SAMPLE_FMT
427
#define SampleFormat AVSampleFormat
428
429
#define SAMPLE_FMT_NONE AV_SAMPLE_FMT_NONE
430
#define SAMPLE_FMT_U8   AV_SAMPLE_FMT_U8
431
#define SAMPLE_FMT_S16  AV_SAMPLE_FMT_S16
432
#define SAMPLE_FMT_S32  AV_SAMPLE_FMT_S32
433
#define SAMPLE_FMT_FLT  AV_SAMPLE_FMT_FLT
434
#define SAMPLE_FMT_DBL  AV_SAMPLE_FMT_DBL
435
#define SAMPLE_FMT_NB   AV_SAMPLE_FMT_NB
436
#endif
437 a96b68b7 Fabrice Bellard
438 176a6157 Stefano Sabatini
#if FF_API_OLD_AUDIOCONVERT
439
#include "libavcore/audioconvert.h"
440
441 0d72e7d0 Peter Ross
/* Audio channel masks */
442 176a6157 Stefano Sabatini
#define CH_FRONT_LEFT            AV_CH_FRONT_LEFT
443
#define CH_FRONT_RIGHT           AV_CH_FRONT_RIGHT
444
#define CH_FRONT_CENTER          AV_CH_FRONT_CENTER
445
#define CH_LOW_FREQUENCY         AV_CH_LOW_FREQUENCY
446
#define CH_BACK_LEFT             AV_CH_BACK_LEFT
447
#define CH_BACK_RIGHT            AV_CH_BACK_RIGHT
448
#define CH_FRONT_LEFT_OF_CENTER  AV_CH_FRONT_LEFT_OF_CENTER
449
#define CH_FRONT_RIGHT_OF_CENTER AV_CH_FRONT_RIGHT_OF_CENTER
450
#define CH_BACK_CENTER           AV_CH_BACK_CENTER
451
#define CH_SIDE_LEFT             AV_CH_SIDE_LEFT
452
#define CH_SIDE_RIGHT            AV_CH_SIDE_RIGHT
453
#define CH_TOP_CENTER            AV_CH_TOP_CENTER
454
#define CH_TOP_FRONT_LEFT        AV_CH_TOP_FRONT_LEFT
455
#define CH_TOP_FRONT_CENTER      AV_CH_TOP_FRONT_CENTER
456
#define CH_TOP_FRONT_RIGHT       AV_CH_TOP_FRONT_RIGHT
457
#define CH_TOP_BACK_LEFT         AV_CH_TOP_BACK_LEFT
458
#define CH_TOP_BACK_CENTER       AV_CH_TOP_BACK_CENTER
459
#define CH_TOP_BACK_RIGHT        AV_CH_TOP_BACK_RIGHT
460
#define CH_STEREO_LEFT           AV_CH_STEREO_LEFT
461
#define CH_STEREO_RIGHT          AV_CH_STEREO_RIGHT
462 0d72e7d0 Peter Ross
463 31557166 Justin Ruggles
/** Channel mask value used for AVCodecContext.request_channel_layout
464
    to indicate that the user requests the channel order of the decoder output
465
    to be the native codec channel order. */
466 176a6157 Stefano Sabatini
#define CH_LAYOUT_NATIVE         AV_CH_LAYOUT_NATIVE
467 31557166 Justin Ruggles
468 0d72e7d0 Peter Ross
/* Audio channel convenience macros */
469 176a6157 Stefano Sabatini
#define CH_LAYOUT_MONO           AV_CH_LAYOUT_MONO
470
#define CH_LAYOUT_STEREO         AV_CH_LAYOUT_STEREO
471
#define CH_LAYOUT_2_1            AV_CH_LAYOUT_2_1
472
#define CH_LAYOUT_SURROUND       AV_CH_LAYOUT_SURROUND
473
#define CH_LAYOUT_4POINT0        AV_CH_LAYOUT_4POINT0
474
#define CH_LAYOUT_2_2            AV_CH_LAYOUT_2_2
475
#define CH_LAYOUT_QUAD           AV_CH_LAYOUT_QUAD
476
#define CH_LAYOUT_5POINT0        AV_CH_LAYOUT_5POINT0
477
#define CH_LAYOUT_5POINT1        AV_CH_LAYOUT_5POINT1
478
#define CH_LAYOUT_5POINT0_BACK   AV_CH_LAYOUT_5POINT0_BACK
479
#define CH_LAYOUT_5POINT1_BACK   AV_CH_LAYOUT_5POINT1_BACK
480
#define CH_LAYOUT_7POINT0        AV_CH_LAYOUT_7POINT0
481
#define CH_LAYOUT_7POINT1        AV_CH_LAYOUT_7POINT1
482
#define CH_LAYOUT_7POINT1_WIDE   AV_CH_LAYOUT_7POINT1_WIDE
483
#define CH_LAYOUT_STEREO_DOWNMIX AV_CH_LAYOUT_STEREO_DOWNMIX
484
#endif
485 0d72e7d0 Peter Ross
486 de6d9b64 Fabrice Bellard
/* in bytes */
487 8170e5fb Alex Beregszaszi
#define AVCODEC_MAX_AUDIO_FRAME_SIZE 192000 // 1 second of 48khz 32bit audio
488 de6d9b64 Fabrice Bellard
489 d7425f59 Michael Niedermayer
/**
490 cf713bb8 Michael Niedermayer
 * Required number of additionally allocated bytes at the end of the input bitstream for decoding.
491 171b7b91 Alex Converse
 * This is mainly needed because some optimized bitstream readers read
492
 * 32 or 64 bit at once and could read over the end.<br>
493 f5bccd85 Diego Biurrun
 * Note: If the first 23 bits of the additional bytes are not 0, then damaged
494
 * MPEG bitstreams could cause overread and segfault.
495 d7425f59 Michael Niedermayer
 */
496 171b7b91 Alex Converse
#define FF_INPUT_BUFFER_PADDING_SIZE 8
497 d7425f59 Michael Niedermayer
498 0ecca7a4 Michael Niedermayer
/**
499 f5bccd85 Diego Biurrun
 * minimum encoding buffer size
500
 * Used to avoid some checks during header writing.
501 0ecca7a4 Michael Niedermayer
 */
502
#define FF_MIN_BUFFER_SIZE 16384
503
504 47146dfb Michael Niedermayer
505 0e373b95 Michael Niedermayer
/**
506 bafc102b Michael Niedermayer
 * motion estimation type.
507 0e373b95 Michael Niedermayer
 */
508 e4986da9 Juanjo
enum Motion_Est_ID {
509 9b4dd1b8 Michael Niedermayer
    ME_ZERO = 1,    ///< no search, that is use 0,0 vector whenever one is needed
510 e4986da9 Juanjo
    ME_FULL,
511
    ME_LOG,
512
    ME_PHODS,
513 9b4dd1b8 Michael Niedermayer
    ME_EPZS,        ///< enhanced predictive zonal search
514
    ME_X1,          ///< reserved for experiments
515
    ME_HEX,         ///< hexagon based search
516
    ME_UMH,         ///< uneven multi-hexagon search
517
    ME_ITER,        ///< iterative search
518 359bbdab Loren Merritt
    ME_TESA,        ///< transformed exhaustive search algorithm
519 e4986da9 Juanjo
};
520
521 8c3eba7c Michael Niedermayer
enum AVDiscard{
522 f5bccd85 Diego Biurrun
    /* We leave some space between them for extensions (drop some
523
     * keyframes for intra-only or drop just some bidir frames). */
524 8c3eba7c Michael Niedermayer
    AVDISCARD_NONE   =-16, ///< discard nothing
525
    AVDISCARD_DEFAULT=  0, ///< discard useless packets like 0 size packets in avi
526
    AVDISCARD_NONREF =  8, ///< discard all non reference
527
    AVDISCARD_BIDIR  = 16, ///< discard all bidirectional frames
528
    AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
529
    AVDISCARD_ALL    = 48, ///< discard all
530
};
531
532 4ee6a5c1 Michael Niedermayer
enum AVColorPrimaries{
533
    AVCOL_PRI_BT709      =1, ///< also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
534
    AVCOL_PRI_UNSPECIFIED=2,
535
    AVCOL_PRI_BT470M     =4,
536
    AVCOL_PRI_BT470BG    =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
537
    AVCOL_PRI_SMPTE170M  =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
538
    AVCOL_PRI_SMPTE240M  =7, ///< functionally identical to above
539
    AVCOL_PRI_FILM       =8,
540
    AVCOL_PRI_NB           , ///< Not part of ABI
541
};
542
543
enum AVColorTransferCharacteristic{
544
    AVCOL_TRC_BT709      =1, ///< also ITU-R BT1361
545
    AVCOL_TRC_UNSPECIFIED=2,
546
    AVCOL_TRC_GAMMA22    =4, ///< also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM
547
    AVCOL_TRC_GAMMA28    =5, ///< also ITU-R BT470BG
548
    AVCOL_TRC_NB           , ///< Not part of ABI
549
};
550
551
enum AVColorSpace{
552
    AVCOL_SPC_RGB        =0,
553
    AVCOL_SPC_BT709      =1, ///< also ITU-R BT1361 / IEC 61966-2-4 xvYCC709 / SMPTE RP177 Annex B
554
    AVCOL_SPC_UNSPECIFIED=2,
555
    AVCOL_SPC_FCC        =4,
556
    AVCOL_SPC_BT470BG    =5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM / IEC 61966-2-4 xvYCC601
557
    AVCOL_SPC_SMPTE170M  =6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC / functionally identical to above
558
    AVCOL_SPC_SMPTE240M  =7,
559
    AVCOL_SPC_NB           , ///< Not part of ABI
560
};
561
562
enum AVColorRange{
563
    AVCOL_RANGE_UNSPECIFIED=0,
564
    AVCOL_RANGE_MPEG       =1, ///< the normal 219*2^(n-8) "MPEG" YUV ranges
565
    AVCOL_RANGE_JPEG       =2, ///< the normal     2^n-1   "JPEG" YUV ranges
566
    AVCOL_RANGE_NB           , ///< Not part of ABI
567
};
568
569 580a7465 David Conrad
/**
570
 *  X   X      3 4 X      X are luma samples,
571
 *             1 2        1-6 are possible chroma positions
572
 *  X   X      5 6 X      0 is undefined/unknown position
573
 */
574
enum AVChromaLocation{
575
    AVCHROMA_LOC_UNSPECIFIED=0,
576
    AVCHROMA_LOC_LEFT       =1, ///< mpeg2/4, h264 default
577
    AVCHROMA_LOC_CENTER     =2, ///< mpeg1, jpeg, h263
578
    AVCHROMA_LOC_TOPLEFT    =3, ///< DV
579
    AVCHROMA_LOC_TOP        =4,
580
    AVCHROMA_LOC_BOTTOMLEFT =5,
581
    AVCHROMA_LOC_BOTTOM     =6,
582
    AVCHROMA_LOC_NB           , ///< Not part of ABI
583
};
584
585 23940f14 Justin Ruggles
/**
586
 * LPC analysis type
587
 */
588
enum AVLPCType {
589
    AV_LPC_TYPE_DEFAULT     = -1, ///< use the codec default LPC type
590
    AV_LPC_TYPE_NONE        =  0, ///< do not use LPC prediction or use all zero coefficients
591
    AV_LPC_TYPE_FIXED       =  1, ///< fixed LPC coefficients
592
    AV_LPC_TYPE_LEVINSON    =  2, ///< Levinson-Durbin recursion
593
    AV_LPC_TYPE_CHOLESKY    =  3, ///< Cholesky factorization
594
    AV_LPC_TYPE_NB              , ///< Not part of ABI
595
};
596
597 ce980a95 Michael Niedermayer
typedef struct RcOverride{
598
    int start_frame;
599
    int end_frame;
600 f5bccd85 Diego Biurrun
    int qscale; // If this is 0 then quality_factor will be used instead.
601 ce980a95 Michael Niedermayer
    float quality_factor;
602
} RcOverride;
603
604 b0ec9efd Erik Slagter
#define FF_MAX_B_FRAMES 16
605 9dbcbd92 Michael Niedermayer
606 a949d72e Michael Niedermayer
/* encoding support
607 f5bccd85 Diego Biurrun
   These flags can be passed in AVCodecContext.flags before initialization.
608
   Note: Not everything is supported yet.
609 a949d72e Michael Niedermayer
*/
610 de6d9b64 Fabrice Bellard
611 f5bccd85 Diego Biurrun
#define CODEC_FLAG_QSCALE 0x0002  ///< Use fixed qscale.
612
#define CODEC_FLAG_4MV    0x0004  ///< 4 MV per MB allowed / advanced prediction for H.263.
613
#define CODEC_FLAG_QPEL   0x0010  ///< Use qpel MC.
614
#define CODEC_FLAG_GMC    0x0020  ///< Use GMC.
615
#define CODEC_FLAG_MV0    0x0040  ///< Always try a MB with MV=<0,0>.
616
#define CODEC_FLAG_PART   0x0080  ///< Use data partitioning.
617 1ba8f5eb Michael Niedermayer
/**
618
 * The parent program guarantees that the input for B-frames containing
619 f5bccd85 Diego Biurrun
 * streams is not written to for at least s->max_b_frames+1 frames, if
620 1ba8f5eb Michael Niedermayer
 * this is not set the input will be copied.
621
 */
622 8b4c7dbc Michael Niedermayer
#define CODEC_FLAG_INPUT_PRESERVED 0x0100
623 273b0cd3 Diego Biurrun
#define CODEC_FLAG_PASS1           0x0200   ///< Use internal 2pass ratecontrol in first pass mode.
624
#define CODEC_FLAG_PASS2           0x0400   ///< Use internal 2pass ratecontrol in second pass mode.
625
#define CODEC_FLAG_EXTERN_HUFF     0x1000   ///< Use external Huffman table (for MJPEG).
626
#define CODEC_FLAG_GRAY            0x2000   ///< Only decode/encode grayscale.
627
#define CODEC_FLAG_EMU_EDGE        0x4000   ///< Don't draw edges.
628
#define CODEC_FLAG_PSNR            0x8000   ///< error[?] variables will be set during encoding.
629
#define CODEC_FLAG_TRUNCATED       0x00010000 /** Input bitstream might be truncated at a random
630
                                                  location instead of only at frame boundaries. */
631 f5bccd85 Diego Biurrun
#define CODEC_FLAG_NORMALIZE_AQP  0x00020000 ///< Normalize adaptive quantization.
632
#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< Use interlaced DCT.
633
#define CODEC_FLAG_LOW_DELAY      0x00080000 ///< Force low delay.
634
#define CODEC_FLAG_ALT_SCAN       0x00100000 ///< Use alternate scan.
635
#define CODEC_FLAG_GLOBAL_HEADER  0x00400000 ///< Place global headers in extradata instead of every keyframe.
636
#define CODEC_FLAG_BITEXACT       0x00800000 ///< Use only bitexact stuff (except (I)DCT).
637 21e59552 Michael Niedermayer
/* Fx : Flag for h263+ extra options */
638 f5bccd85 Diego Biurrun
#define CODEC_FLAG_AC_PRED        0x01000000 ///< H.263 advanced intra coding / MPEG-4 AC prediction
639
#define CODEC_FLAG_H263P_UMV      0x02000000 ///< unlimited motion vector
640
#define CODEC_FLAG_CBP_RD         0x04000000 ///< Use rate distortion optimization for cbp.
641
#define CODEC_FLAG_QP_RD          0x08000000 ///< Use rate distortion optimization for qp selectioon.
642
#define CODEC_FLAG_H263P_AIV      0x00000008 ///< H.263 alternative inter VLC
643 332f9ac4 Michael Niedermayer
#define CODEC_FLAG_OBMC           0x00000001 ///< OBMC
644
#define CODEC_FLAG_LOOP_FILTER    0x00000800 ///< loop filter
645 bb198e19 Michael Niedermayer
#define CODEC_FLAG_H263P_SLICE_STRUCT 0x10000000
646
#define CODEC_FLAG_INTERLACED_ME  0x20000000 ///< interlaced motion estimation
647 f5bccd85 Diego Biurrun
#define CODEC_FLAG_SVCD_SCAN_OFFSET 0x40000000 ///< Will reserve space for SVCD scan offset user data.
648 f3eec1cf Michael Niedermayer
#define CODEC_FLAG_CLOSED_GOP     0x80000000
649 f5bccd85 Diego Biurrun
#define CODEC_FLAG2_FAST          0x00000001 ///< Allow non spec compliant speedup tricks.
650
#define CODEC_FLAG2_STRICT_GOP    0x00000002 ///< Strictly enforce GOP size.
651
#define CODEC_FLAG2_NO_OUTPUT     0x00000004 ///< Skip bitstream encoding.
652
#define CODEC_FLAG2_LOCAL_HEADER  0x00000008 ///< Place global headers at every keyframe instead of in extradata.
653
#define CODEC_FLAG2_BPYRAMID      0x00000010 ///< H.264 allow B-frames to be used as references.
654
#define CODEC_FLAG2_WPRED         0x00000020 ///< H.264 weighted biprediction for B-frames
655 d3075ed5 Panagiotis Issaris
#define CODEC_FLAG2_MIXED_REFS    0x00000040 ///< H.264 one reference per partition, as opposed to one reference per macroblock
656 58f7833e Robert Swain
#define CODEC_FLAG2_8X8DCT        0x00000080 ///< H.264 high profile 8x8 transform
657
#define CODEC_FLAG2_FASTPSKIP     0x00000100 ///< H.264 fast pskip
658
#define CODEC_FLAG2_AUD           0x00000200 ///< H.264 access unit delimiters
659 f5bccd85 Diego Biurrun
#define CODEC_FLAG2_BRDO          0x00000400 ///< B-frame rate-distortion optimization
660
#define CODEC_FLAG2_INTRA_VLC     0x00000800 ///< Use MPEG-2 intra VLC table.
661
#define CODEC_FLAG2_MEMC_ONLY     0x00001000 ///< Only do ME/MC (I frames -> ref, P frame -> ME+MC).
662
#define CODEC_FLAG2_DROP_FRAME_TIMECODE 0x00002000 ///< timecode is in drop frame format.
663
#define CODEC_FLAG2_SKIP_RD       0x00004000 ///< RD optimal MB level residual skipping
664
#define CODEC_FLAG2_CHUNKS        0x00008000 ///< Input bitstream might be truncated at a packet boundaries instead of only at frame boundaries.
665
#define CODEC_FLAG2_NON_LINEAR_QUANT 0x00010000 ///< Use MPEG-2 nonlinear quantizer.
666 f1618fd9 Paul Kelly
#define CODEC_FLAG2_BIT_RESERVOIR 0x00020000 ///< Use a bit reservoir when encoding if possible
667 25a42948 Erik Slagter
#define CODEC_FLAG2_MBTREE        0x00040000 ///< Use macroblock tree ratecontrol (x264 only)
668 f3b3b489 Baptiste Coudurier
#define CODEC_FLAG2_PSY           0x00080000 ///< Use psycho visual optimizations.
669
#define CODEC_FLAG2_SSIM          0x00100000 ///< Compute SSIM during encoding, error[] values are undefined.
670 e8c7fca9 Jason Garrett-Glaser
#define CODEC_FLAG2_INTRA_REFRESH 0x00200000 ///< Use periodic insertion of intra blocks instead of keyframes.
671 6fc5b059 Michael Niedermayer
672 21e59552 Michael Niedermayer
/* Unsupported options :
673 bb270c08 Diego Biurrun
 *              Syntax Arithmetic coding (SAC)
674
 *              Reference Picture Selection
675 eafcac6a Diego Biurrun
 *              Independent Segment Decoding */
676 21e59552 Michael Niedermayer
/* /Fx */
677 bf89e6b1 Fabrice Bellard
/* codec capabilities */
678
679 f5bccd85 Diego Biurrun
#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 ///< Decoder can use draw_horiz_band callback.
680 6814a25c Michael Niedermayer
/**
681 9b489e02 Reimar Döffinger
 * Codec uses get_buffer() for allocating buffers and supports custom allocators.
682
 * If not set, it might not use get_buffer() at all or use operations that
683
 * assume the buffer was allocated by avcodec_default_get_buffer.
684 6814a25c Michael Niedermayer
 */
685
#define CODEC_CAP_DR1             0x0002
686 f5bccd85 Diego Biurrun
/* If 'parse_only' field is true, then avcodec_parse_frame() can be used. */
687 917e06c8 Fabrice Bellard
#define CODEC_CAP_PARSE_ONLY      0x0004
688 d7425f59 Michael Niedermayer
#define CODEC_CAP_TRUNCATED       0x0008
689 f5bccd85 Diego Biurrun
/* Codec can export data for HW decoding (XvMC). */
690 5e5c247a Ivan Kalvachev
#define CODEC_CAP_HWACCEL         0x0010
691 115329f1 Diego Biurrun
/**
692 f5bccd85 Diego Biurrun
 * Codec has a nonzero delay and needs to be fed with NULL at the end to get the delayed data.
693
 * If this is not set, the codec is guaranteed to never be fed with NULL data.
694 934982c4 Michael Niedermayer
 */
695 6f824977 Michael Niedermayer
#define CODEC_CAP_DELAY           0x0020
696 cef7cc72 Justin Ruggles
/**
697
 * Codec can be fed a final frame with a smaller size.
698
 * This can be used to prevent truncation of the last audio samples.
699
 */
700
#define CODEC_CAP_SMALL_LAST_FRAME 0x0040
701 369122dd NVIDIA Corporation
/**
702
 * Codec can export data for HW decoding (VDPAU).
703
 */
704
#define CODEC_CAP_HWACCEL_VDPAU    0x0080
705 d859bb1d Sascha Sommer
/**
706
 * Codec can output multiple frames per AVPacket
707 e9e949cf Michael Niedermayer
 * Normally demuxers return one frame at a time, demuxers which do not do
708
 * are connected to a parser to split what they return into proper frames.
709
 * This flag is reserved to the very rare category of codecs which have a
710
 * bitstream that cannot be split into frames without timeconsuming
711
 * operations like full decoding. Demuxers carring such bitstreams thus
712
 * may return multiple frames in a packet. This has many disadvantages like
713
 * prohibiting stream copy in many cases thus it should only be considered
714
 * as a last resort.
715 d859bb1d Sascha Sommer
 */
716
#define CODEC_CAP_SUBFRAMES        0x0100
717 93ebfeea Janne Grunau
/**
718
 * Codec is experimental and is thus avoided in favor of non experimental
719
 * encoders
720
 */
721
#define CODEC_CAP_EXPERIMENTAL     0x0200
722 62784e37 Benjamin Larsson
/**
723
 * Codec should fill in channel configuration and samplerate instead of container
724
 */
725
#define CODEC_CAP_CHANNEL_CONF     0x0400
726 16cfc961 Stefano Sabatini
/**
727
 * Codec is able to deal with negative linesizes
728
 */
729
#define CODEC_CAP_NEG_LINESIZES    0x0800
730 bf89e6b1 Fabrice Bellard
731 f5bccd85 Diego Biurrun
//The following defines may change, don't expect compatibility if you use them.
732 8d7ec294 Wolfgang Hesseler
#define MB_TYPE_INTRA4x4   0x0001
733 f5bccd85 Diego Biurrun
#define MB_TYPE_INTRA16x16 0x0002 //FIXME H.264-specific
734
#define MB_TYPE_INTRA_PCM  0x0004 //FIXME H.264-specific
735 8d7ec294 Wolfgang Hesseler
#define MB_TYPE_16x16      0x0008
736
#define MB_TYPE_16x8       0x0010
737
#define MB_TYPE_8x16       0x0020
738
#define MB_TYPE_8x8        0x0040
739
#define MB_TYPE_INTERLACED 0x0080
740 273b0cd3 Diego Biurrun
#define MB_TYPE_DIRECT2    0x0100 //FIXME
741 8d7ec294 Wolfgang Hesseler
#define MB_TYPE_ACPRED     0x0200
742
#define MB_TYPE_GMC        0x0400
743
#define MB_TYPE_SKIP       0x0800
744
#define MB_TYPE_P0L0       0x1000
745
#define MB_TYPE_P1L0       0x2000
746
#define MB_TYPE_P0L1       0x4000
747
#define MB_TYPE_P1L1       0x8000
748
#define MB_TYPE_L0         (MB_TYPE_P0L0 | MB_TYPE_P1L0)
749
#define MB_TYPE_L1         (MB_TYPE_P0L1 | MB_TYPE_P1L1)
750
#define MB_TYPE_L0L1       (MB_TYPE_L0   | MB_TYPE_L1)
751
#define MB_TYPE_QUANT      0x00010000
752
#define MB_TYPE_CBP        0x00020000
753
//Note bits 24-31 are reserved for codec specific use (h264 ref0, mpeg1 0mv, ...)
754
755 fa384dcc Michael Niedermayer
/**
756
 * Pan Scan area.
757 f5bccd85 Diego Biurrun
 * This specifies the area which should be displayed.
758
 * Note there may be multiple such areas for one frame.
759 fa384dcc Michael Niedermayer
 */
760
typedef struct AVPanScan{
761
    /**
762 f5bccd85 Diego Biurrun
     * id
763
     * - encoding: Set by user.
764
     * - decoding: Set by libavcodec.
765 fa384dcc Michael Niedermayer
     */
766
    int id;
767
768
    /**
769
     * width and height in 1/16 pel
770 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
771
     * - decoding: Set by libavcodec.
772 fa384dcc Michael Niedermayer
     */
773
    int width;
774
    int height;
775
776
    /**
777 f5bccd85 Diego Biurrun
     * position of the top left corner in 1/16 pel for up to 3 fields/frames
778
     * - encoding: Set by user.
779
     * - decoding: Set by libavcodec.
780 fa384dcc Michael Niedermayer
     */
781
    int16_t position[3][2];
782
}AVPanScan;
783
784 492cd3a9 Michael Niedermayer
#define FF_COMMON_FRAME \
785 b536d0aa Michael Niedermayer
    /**\
786
     * pointer to the picture planes.\
787 f5bccd85 Diego Biurrun
     * This might be different from the first allocated byte\
788 b536d0aa Michael Niedermayer
     * - encoding: \
789
     * - decoding: \
790
     */\
791 1e491e29 Michael Niedermayer
    uint8_t *data[4];\
792
    int linesize[4];\
793
    /**\
794 f5bccd85 Diego Biurrun
     * pointer to the first allocated byte of the picture. Can be used in get_buffer/release_buffer.\
795
     * This isn't used by libavcodec unless the default get/release_buffer() is used.\
796 64863965 Michael Niedermayer
     * - encoding: \
797
     * - decoding: \
798 1e491e29 Michael Niedermayer
     */\
799
    uint8_t *base[4];\
800
    /**\
801
     * 1 -> keyframe, 0-> not\
802 f5bccd85 Diego Biurrun
     * - encoding: Set by libavcodec.\
803
     * - decoding: Set by libavcodec.\
804 1e491e29 Michael Niedermayer
     */\
805
    int key_frame;\
806
\
807
    /**\
808 f5bccd85 Diego Biurrun
     * Picture type of the frame, see ?_TYPE below.\
809
     * - encoding: Set by libavcodec. for coded_picture (and set by user for input).\
810
     * - decoding: Set by libavcodec.\
811 1e491e29 Michael Niedermayer
     */\
812
    int pict_type;\
813
\
814
    /**\
815 c0df9d75 Michael Niedermayer
     * presentation timestamp in time_base units (time when frame should be shown to user)\
816 f5bccd85 Diego Biurrun
     * If AV_NOPTS_VALUE then frame_rate = 1/time_base will be assumed.\
817
     * - encoding: MUST be set by user.\
818
     * - decoding: Set by libavcodec.\
819 1e491e29 Michael Niedermayer
     */\
820 be6784dc Richard Hodges
    int64_t pts;\
821 1e491e29 Michael Niedermayer
\
822
    /**\
823 f5bccd85 Diego Biurrun
     * picture number in bitstream order\
824 64863965 Michael Niedermayer
     * - encoding: set by\
825 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
826 1e491e29 Michael Niedermayer
     */\
827
    int coded_picture_number;\
828
    /**\
829 f5bccd85 Diego Biurrun
     * picture number in display order\
830 64863965 Michael Niedermayer
     * - encoding: set by\
831 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
832 1e491e29 Michael Niedermayer
     */\
833
    int display_picture_number;\
834
\
835
    /**\
836 158c7f05 Michael Niedermayer
     * quality (between 1 (good) and FF_LAMBDA_MAX (bad)) \
837 f5bccd85 Diego Biurrun
     * - encoding: Set by libavcodec. for coded_picture (and set by user for input).\
838
     * - decoding: Set by libavcodec.\
839 1e491e29 Michael Niedermayer
     */\
840 158c7f05 Michael Niedermayer
    int quality; \
841 1e491e29 Michael Niedermayer
\
842
    /**\
843
     * buffer age (1->was last buffer and dint change, 2->..., ...).\
844 f5bccd85 Diego Biurrun
     * Set to INT_MAX if the buffer has not been used yet.\
845 64863965 Michael Niedermayer
     * - encoding: unused\
846 f5bccd85 Diego Biurrun
     * - decoding: MUST be set by get_buffer().\
847 1e491e29 Michael Niedermayer
     */\
848
    int age;\
849
\
850
    /**\
851
     * is this picture used as reference\
852 8474f58e Michael Niedermayer
     * The values for this are the same as the MpegEncContext.picture_structure\
853
     * variable, that is 1->top field, 2->bottom field, 3->frame/both fields.\
854 5fe2a515 Carl Eugen Hoyos
     * Set to 4 for delayed, non-reference frames.\
855 64863965 Michael Niedermayer
     * - encoding: unused\
856 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec. (before get_buffer() call)).\
857 1e491e29 Michael Niedermayer
     */\
858
    int reference;\
859
\
860
    /**\
861
     * QP table\
862 64863965 Michael Niedermayer
     * - encoding: unused\
863 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
864 1e491e29 Michael Niedermayer
     */\
865
    int8_t *qscale_table;\
866
    /**\
867
     * QP store stride\
868 64863965 Michael Niedermayer
     * - encoding: unused\
869 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
870 1e491e29 Michael Niedermayer
     */\
871
    int qstride;\
872
\
873
    /**\
874 f5bccd85 Diego Biurrun
     * mbskip_table[mb]>=1 if MB didn't change\
875 1e491e29 Michael Niedermayer
     * stride= mb_width = (width+15)>>4\
876 64863965 Michael Niedermayer
     * - encoding: unused\
877 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
878 1e491e29 Michael Niedermayer
     */\
879
    uint8_t *mbskip_table;\
880
\
881
    /**\
882 f5bccd85 Diego Biurrun
     * motion vector table\
883 61436073 Michael Niedermayer
     * @code\
884
     * example:\
885
     * int mv_sample_log2= 4 - motion_subsample_log2;\
886
     * int mb_width= (width+15)>>4;\
887
     * int mv_stride= (mb_width << mv_sample_log2) + 1;\
888
     * motion_val[direction][x + y*mv_stride][0->mv_x, 1->mv_y];\
889
     * @endcode\
890 f5bccd85 Diego Biurrun
     * - encoding: Set by user.\
891
     * - decoding: Set by libavcodec.\
892 8d7ec294 Wolfgang Hesseler
     */\
893
    int16_t (*motion_val[2])[2];\
894
\
895
    /**\
896 f5bccd85 Diego Biurrun
     * macroblock type table\
897 8d7ec294 Wolfgang Hesseler
     * mb_type_base + mb_width + 2\
898 f5bccd85 Diego Biurrun
     * - encoding: Set by user.\
899
     * - decoding: Set by libavcodec.\
900 8d7ec294 Wolfgang Hesseler
     */\
901
    uint32_t *mb_type;\
902
\
903
    /**\
904 f0b77c69 Michael Niedermayer
     * log2 of the size of the block which a single vector in motion_val represents: \
905
     * (4->16x16, 3->8x8, 2-> 4x4, 1-> 2x2)\
906 8d7ec294 Wolfgang Hesseler
     * - encoding: unused\
907 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
908 8d7ec294 Wolfgang Hesseler
     */\
909
    uint8_t motion_subsample_log2;\
910
\
911
    /**\
912 1e491e29 Michael Niedermayer
     * for some private data of the user\
913 64863965 Michael Niedermayer
     * - encoding: unused\
914 f5bccd85 Diego Biurrun
     * - decoding: Set by user.\
915 1e491e29 Michael Niedermayer
     */\
916
    void *opaque;\
917 140cb663 Michael Niedermayer
\
918
    /**\
919
     * error\
920 f5bccd85 Diego Biurrun
     * - encoding: Set by libavcodec. if flags&CODEC_FLAG_PSNR.\
921 64863965 Michael Niedermayer
     * - decoding: unused\
922 140cb663 Michael Niedermayer
     */\
923
    uint64_t error[4];\
924 4e00e76b Michael Niedermayer
\
925
    /**\
926 f5bccd85 Diego Biurrun
     * type of the buffer (to keep track of who has to deallocate data[*])\
927
     * - encoding: Set by the one who allocates it.\
928
     * - decoding: Set by the one who allocates it.\
929
     * Note: User allocated (direct rendering) & internal buffers cannot coexist currently.\
930 4e00e76b Michael Niedermayer
     */\
931
    int type;\
932 2ec23b6d Michael Niedermayer
    \
933
    /**\
934 f5bccd85 Diego Biurrun
     * When decoding, this signals how much the picture must be delayed.\
935 2ec23b6d Michael Niedermayer
     * extra_delay = repeat_pict / (2*fps)\
936 64863965 Michael Niedermayer
     * - encoding: unused\
937 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
938 2ec23b6d Michael Niedermayer
     */\
939 0426af31 Michael Niedermayer
    int repeat_pict;\
940
    \
941
    /**\
942
     * \
943
     */\
944
    int qscale_type;\
945 2744ca9a Roman Shaposhnik
    \
946
    /**\
947
     * The content of the picture is interlaced.\
948 f5bccd85 Diego Biurrun
     * - encoding: Set by user.\
949
     * - decoding: Set by libavcodec. (default 0)\
950 2744ca9a Roman Shaposhnik
     */\
951
    int interlaced_frame;\
952
    \
953
    /**\
954 f5bccd85 Diego Biurrun
     * If the content is interlaced, is top field displayed first.\
955
     * - encoding: Set by user.\
956
     * - decoding: Set by libavcodec.\
957 2744ca9a Roman Shaposhnik
     */\
958 9dad924e Michael Niedermayer
    int top_field_first;\
959 fa384dcc Michael Niedermayer
    \
960
    /**\
961
     * Pan scan.\
962 f5bccd85 Diego Biurrun
     * - encoding: Set by user.\
963
     * - decoding: Set by libavcodec.\
964 fa384dcc Michael Niedermayer
     */\
965
    AVPanScan *pan_scan;\
966 2a2bbcb0 Mike Melanson
    \
967
    /**\
968 f5bccd85 Diego Biurrun
     * Tell user application that palette has changed from previous frame.\
969 2a2bbcb0 Mike Melanson
     * - encoding: ??? (no palette-enabled encoder yet)\
970 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec. (default 0).\
971 2a2bbcb0 Mike Melanson
     */\
972
    int palette_has_changed;\
973 074c4ca7 Roberto Togni
    \
974
    /**\
975 f5bccd85 Diego Biurrun
     * codec suggestion on buffer type if != 0\
976 074c4ca7 Roberto Togni
     * - encoding: unused\
977 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec. (before get_buffer() call)).\
978 074c4ca7 Roberto Togni
     */\
979
    int buffer_hints;\
980 8289c6fa Wolfgang Hesseler
\
981
    /**\
982 f5bccd85 Diego Biurrun
     * DCT coefficients\
983 8289c6fa Wolfgang Hesseler
     * - encoding: unused\
984 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.\
985 8289c6fa Wolfgang Hesseler
     */\
986
    short *dct_coeff;\
987 a4d36c11 Michael Niedermayer
\
988
    /**\
989 58184187 Benoit Fouet
     * motion reference frame index\
990
     * the order in which these are stored can depend on the codec.\
991 f5bccd85 Diego Biurrun
     * - encoding: Set by user.\
992
     * - decoding: Set by libavcodec.\
993 a4d36c11 Michael Niedermayer
     */\
994 79de84f2 Michael Niedermayer
    int8_t *ref_index[2];\
995
\
996
    /**\
997 421167b0 Stefano Sabatini
     * reordered opaque 64bit (generally an integer or a double precision float\
998 e75229fa Michael Niedermayer
     * PTS but can be anything). \
999
     * The user sets AVCodecContext.reordered_opaque to represent the input at\
1000 421167b0 Stefano Sabatini
     * that time,\
1001
     * the decoder reorders values as needed and sets AVFrame.reordered_opaque\
1002 e75229fa Michael Niedermayer
     * to exactly one of the values provided by the user through AVCodecContext.reordered_opaque \
1003 81c623fa Michael Niedermayer
     * @deprecated in favor of pkt_pts\
1004 79de84f2 Michael Niedermayer
     * - encoding: unused\
1005
     * - decoding: Read by user.\
1006
     */\
1007
    int64_t reordered_opaque;\
1008 68e5d523 Gwenole Beauchesne
\
1009
    /**\
1010
     * hardware accelerator private data (FFmpeg allocated)\
1011
     * - encoding: unused\
1012
     * - decoding: Set by libavcodec\
1013
     */\
1014 952e2083 Gwenole Beauchesne
    void *hwaccel_picture_private;\
1015 393cbb96 Michael Niedermayer
\
1016
    /**\
1017
     * reordered pts from the last AVPacket that has been input into the decoder\
1018
     * - encoding: unused\
1019
     * - decoding: Read by user.\
1020
     */\
1021
    int64_t pkt_pts;\
1022 1919feaf Michael Niedermayer
\
1023
    /**\
1024
     * dts from the last AVPacket that has been input into the decoder\
1025
     * - encoding: unused\
1026
     * - decoding: Read by user.\
1027
     */\
1028
    int64_t pkt_dts;\
1029 79de84f2 Michael Niedermayer
1030 2ec23b6d Michael Niedermayer
1031 bb270c08 Diego Biurrun
#define FF_QSCALE_TYPE_MPEG1 0
1032
#define FF_QSCALE_TYPE_MPEG2 1
1033
#define FF_QSCALE_TYPE_H264  2
1034 800274f8 Reimar Döffinger
#define FF_QSCALE_TYPE_VP56  3
1035 4e00e76b Michael Niedermayer
1036
#define FF_BUFFER_TYPE_INTERNAL 1
1037 f5bccd85 Diego Biurrun
#define FF_BUFFER_TYPE_USER     2 ///< direct rendering buffers (image is (de)allocated by user)
1038
#define FF_BUFFER_TYPE_SHARED   4 ///< Buffer from somewhere else; don't deallocate image (data/base), all other tables are not shared.
1039
#define FF_BUFFER_TYPE_COPY     8 ///< Just a (modified) copy of some other buffer, don't deallocate anything.
1040 4e00e76b Michael Niedermayer
1041 1e491e29 Michael Niedermayer
1042 dc85e859 Aurelien Jacobs
#define FF_I_TYPE  1 ///< Intra
1043
#define FF_P_TYPE  2 ///< Predicted
1044
#define FF_B_TYPE  3 ///< Bi-dir predicted
1045
#define FF_S_TYPE  4 ///< S(GMC)-VOP MPEG4
1046
#define FF_SI_TYPE 5 ///< Switching Intra
1047
#define FF_SP_TYPE 6 ///< Switching Predicted
1048 48d533e6 Aurelien Jacobs
#define FF_BI_TYPE 7
1049 1e491e29 Michael Niedermayer
1050 f5bccd85 Diego Biurrun
#define FF_BUFFER_HINTS_VALID    0x01 // Buffer hints value is meaningful (if 0 ignore).
1051
#define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer.
1052
#define FF_BUFFER_HINTS_PRESERVE 0x04 // User must not alter buffer content.
1053
#define FF_BUFFER_HINTS_REUSABLE 0x08 // Codec will reuse the buffer (update).
1054 074c4ca7 Roberto Togni
1055 18c915ee Thilo Borgmann
typedef struct AVPacket {
1056
    /**
1057 7b356d39 Robert Swain
     * Presentation timestamp in AVStream->time_base units; the time at which
1058
     * the decompressed packet will be presented to the user.
1059 18c915ee Thilo Borgmann
     * Can be AV_NOPTS_VALUE if it is not stored in the file.
1060
     * pts MUST be larger or equal to dts as presentation cannot happen before
1061
     * decompression, unless one wants to view hex dumps. Some formats misuse
1062
     * the terms dts and pts/cts to mean something different. Such timestamps
1063
     * must be converted to true pts/dts before they are stored in AVPacket.
1064
     */
1065
    int64_t pts;
1066
    /**
1067 7b356d39 Robert Swain
     * Decompression timestamp in AVStream->time_base units; the time at which
1068
     * the packet is decompressed.
1069 18c915ee Thilo Borgmann
     * Can be AV_NOPTS_VALUE if it is not stored in the file.
1070
     */
1071
    int64_t dts;
1072
    uint8_t *data;
1073
    int   size;
1074
    int   stream_index;
1075
    int   flags;
1076
    /**
1077 7b356d39 Robert Swain
     * Duration of this packet in AVStream->time_base units, 0 if unknown.
1078 18c915ee Thilo Borgmann
     * Equals next_pts - this_pts in presentation order.
1079
     */
1080
    int   duration;
1081
    void  (*destruct)(struct AVPacket *);
1082
    void  *priv;
1083
    int64_t pos;                            ///< byte position in stream, -1 if unknown
1084
1085
    /**
1086 7b356d39 Robert Swain
     * Time difference in AVStream->time_base units from the pts of this
1087 18c915ee Thilo Borgmann
     * packet to the point at which the output from the decoder has converged
1088
     * independent from the availability of previous frames. That is, the
1089
     * frames are virtually identical no matter if decoding started from
1090
     * the very first frame or from this keyframe.
1091
     * Is AV_NOPTS_VALUE if unknown.
1092
     * This field is not the display duration of the current packet.
1093 8ee82f40 Aurelien Jacobs
     * This field has no meaning if the packet does not have AV_PKT_FLAG_KEY
1094
     * set.
1095 18c915ee Thilo Borgmann
     *
1096
     * The purpose of this field is to allow seeking in streams that have no
1097
     * keyframes in the conventional sense. It corresponds to the
1098
     * recovery point SEI in H.264 and match_time_delta in NUT. It is also
1099
     * essential for some types of subtitle streams to ensure that all
1100
     * subtitles are correctly displayed after seeking.
1101
     */
1102
    int64_t convergence_duration;
1103
} AVPacket;
1104 8f3f2e06 Reimar Döffinger
#define AV_PKT_FLAG_KEY   0x0001
1105
#if LIBAVCODEC_VERSION_MAJOR < 53
1106
#define PKT_FLAG_KEY AV_PKT_FLAG_KEY
1107
#endif
1108 18c915ee Thilo Borgmann
1109 0da71265 Michael Niedermayer
/**
1110
 * Audio Video Frame.
1111 ba66ae94 Michael Niedermayer
 * New fields can be added to the end of FF_COMMON_FRAME with minor version
1112
 * bumps.
1113 8bfb108b Diego Biurrun
 * Removal, reordering and changes to existing fields require a major
1114 ba66ae94 Michael Niedermayer
 * version bump. No fields should be added into AVFrame before or after
1115
 * FF_COMMON_FRAME!
1116 8bfb108b Diego Biurrun
 * sizeof(AVFrame) must not be used outside libav*.
1117 0da71265 Michael Niedermayer
 */
1118 492cd3a9 Michael Niedermayer
typedef struct AVFrame {
1119
    FF_COMMON_FRAME
1120
} AVFrame;
1121 1e491e29 Michael Niedermayer
1122 d33c949c Michael Niedermayer
/**
1123 252f17e2 Michael Niedermayer
 * main external API structure.
1124
 * New fields can be added to the end with minor version bumps.
1125 8bfb108b Diego Biurrun
 * Removal, reordering and changes to existing fields require a major
1126 252f17e2 Michael Niedermayer
 * version bump.
1127 8bfb108b Diego Biurrun
 * sizeof(AVCodecContext) must not be used outside libav*.
1128 d33c949c Michael Niedermayer
 */
1129 de6d9b64 Fabrice Bellard
typedef struct AVCodecContext {
1130 b71901e6 Michael Niedermayer
    /**
1131 f5bccd85 Diego Biurrun
     * information on struct for av_log
1132 bc874dae Michel Bardiaux
     * - set by avcodec_alloc_context
1133
     */
1134 d42a814e Panagiotis Issaris
    const AVClass *av_class;
1135 bc874dae Michel Bardiaux
    /**
1136 f5bccd85 Diego Biurrun
     * the average bitrate
1137
     * - encoding: Set by user; unused for constant quantizer encoding.
1138
     * - decoding: Set by libavcodec. 0 or some bitrate if this info is available in the stream.
1139 b71901e6 Michael Niedermayer
     */
1140 de6d9b64 Fabrice Bellard
    int bit_rate;
1141 b71901e6 Michael Niedermayer
1142
    /**
1143 64863965 Michael Niedermayer
     * number of bits the bitstream is allowed to diverge from the reference.
1144 b71901e6 Michael Niedermayer
     *           the reference can be CBR (for CBR pass1) or VBR (for pass2)
1145 f5bccd85 Diego Biurrun
     * - encoding: Set by user; unused for constant quantizer encoding.
1146 64863965 Michael Niedermayer
     * - decoding: unused
1147 b71901e6 Michael Niedermayer
     */
1148 115329f1 Diego Biurrun
    int bit_rate_tolerance;
1149 b71901e6 Michael Niedermayer
1150
    /**
1151 64863965 Michael Niedermayer
     * CODEC_FLAG_*.
1152 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
1153
     * - decoding: Set by user.
1154 b71901e6 Michael Niedermayer
     */
1155 de6d9b64 Fabrice Bellard
    int flags;
1156 b71901e6 Michael Niedermayer
1157
    /**
1158 f5bccd85 Diego Biurrun
     * Some codecs need additional format info. It is stored here.
1159
     * If any muxer uses this then ALL demuxers/parsers AND encoders for the
1160
     * specific codec MUST set it correctly otherwise stream copy breaks.
1161
     * In general use of this field by muxers is not recommanded.
1162
     * - encoding: Set by libavcodec.
1163
     * - decoding: Set by libavcodec. (FIXME: Is this OK?)
1164 b71901e6 Michael Niedermayer
     */
1165
    int sub_id;
1166
1167
    /**
1168 f5bccd85 Diego Biurrun
     * Motion estimation algorithm used for video coding.
1169 58f7833e Robert Swain
     * 1 (zero), 2 (full), 3 (log), 4 (phods), 5 (epzs), 6 (x1), 7 (hex),
1170 89223ef6 Baptiste Coudurier
     * 8 (umh), 9 (iter), 10 (tesa) [7, 8, 10 are x264 specific, 9 is snow specific]
1171 64863965 Michael Niedermayer
     * - encoding: MUST be set by user.
1172
     * - decoding: unused
1173 b71901e6 Michael Niedermayer
     */
1174
    int me_method;
1175
1176
    /**
1177 f5bccd85 Diego Biurrun
     * some codecs need / can use extradata like Huffman tables.
1178
     * mjpeg: Huffman tables
1179 b71901e6 Michael Niedermayer
     * rv10: additional flags
1180 b704e742 Michael Niedermayer
     * mpeg4: global headers (they can be in the bitstream or here)
1181 f5bccd85 Diego Biurrun
     * The allocated memory should be FF_INPUT_BUFFER_PADDING_SIZE bytes larger
1182
     * than extradata_size to avoid prolems if it is read with the bitstream reader.
1183
     * The bytewise contents of extradata must not depend on the architecture or CPU endianness.
1184
     * - encoding: Set/allocated/freed by libavcodec.
1185
     * - decoding: Set/allocated/freed by user.
1186 b71901e6 Michael Niedermayer
     */
1187 58f2a4b0 Baptiste Coudurier
    uint8_t *extradata;
1188 e84c31dc Arpi
    int extradata_size;
1189 115329f1 Diego Biurrun
1190 b71901e6 Michael Niedermayer
    /**
1191 f5bccd85 Diego Biurrun
     * This is the fundamental unit of time (in seconds) in terms
1192
     * of which frame timestamps are represented. For fixed-fps content,
1193 5b28c8c3 Michael Niedermayer
     * timebase should be 1/framerate and timestamp increments should be
1194
     * identically 1.
1195 f5bccd85 Diego Biurrun
     * - encoding: MUST be set by user.
1196
     * - decoding: Set by libavcodec.
1197 b71901e6 Michael Niedermayer
     */
1198 c0df9d75 Michael Niedermayer
    AVRational time_base;
1199 115329f1 Diego Biurrun
1200 5b28c8c3 Michael Niedermayer
    /* video only */
1201 14bea432 Michael Niedermayer
    /**
1202 21adafec Michael Niedermayer
     * picture width / height.
1203 115329f1 Diego Biurrun
     * - encoding: MUST be set by user.
1204 f5bccd85 Diego Biurrun
     * - decoding: Set by libavcodec.
1205
     * Note: For compatibility it is possible to set this instead of
1206
     * coded_width/height before decoding.
1207 b71901e6 Michael Niedermayer
     */
1208 de6d9b64 Fabrice Bellard
    int width, height;
1209 115329f1 Diego Biurrun
1210 e769f053 Alex Beregszaszi
#define FF_ASPECT_EXTENDED 15
1211 b71901e6 Michael Niedermayer
1212
    /**
1213 f5bccd85 Diego Biurrun
     * the number of pictures in a group of pictures, or 0 for intra_only
1214
     * - encoding: Set by user.
1215 64863965 Michael Niedermayer
     * - decoding: unused
1216 b71901e6 Michael Niedermayer
     */
1217
    int gop_size;
1218
1219
    /**
1220 f5bccd85 Diego Biurrun
     * Pixel format, see PIX_FMT_xxx.
1221 c1bdc930 Tomas Härdin
     * May be set by the demuxer if known from headers.
1222
     * May be overriden by the decoder if it knows better.
1223 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
1224 c1bdc930 Tomas Härdin
     * - decoding: Set by user if known, overridden by libavcodec if known
1225 b71901e6 Michael Niedermayer
     */
1226 e4eadb4b Michael Niedermayer
    enum PixelFormat pix_fmt;
1227 115329f1 Diego Biurrun
1228 bdfcbbed Max Krasnyansky
    /**
1229 f5bccd85 Diego Biurrun
     * Frame rate emulation. If not zero, the lower layer (i.e. format handler)
1230 bdfcbbed Max Krasnyansky
     * has to read frames at native frame rate.
1231 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
1232
     * - decoding: unused
1233 bdfcbbed Max Krasnyansky
     */
1234
    int rate_emu;
1235 115329f1 Diego Biurrun
1236 b71901e6 Michael Niedermayer
    /**
1237 f5bccd85 Diego Biurrun
     * If non NULL, 'draw_horiz_band' is called by the libavcodec
1238
     * decoder to draw a horizontal band. It improves cache usage. Not
1239 b71901e6 Michael Niedermayer
     * all codecs can do that. You must check the codec capabilities
1240 f5bccd85 Diego Biurrun
     * beforehand.
1241 24b1583a Ivan Kalvachev
     * The function is also used by hardware acceleration APIs.
1242
     * It is called at least once during frame decoding to pass
1243
     * the data needed for hardware render.
1244
     * In that mode instead of pixel data, AVFrame points to
1245
     * a structure specific to the acceleration API. The application
1246
     * reads the structure and can change some fields to indicate progress
1247
     * or mark state.
1248 64863965 Michael Niedermayer
     * - encoding: unused
1249 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
1250 3bb07d61 Michael Niedermayer
     * @param height the height of the slice
1251
     * @param y the y position of the slice
1252
     * @param type 1->top field, 2->bottom field, 3->frame
1253
     * @param offset offset into the AVFrame.data from which the slice should be read
1254 b71901e6 Michael Niedermayer
     */
1255 bf89e6b1 Fabrice Bellard
    void (*draw_horiz_band)(struct AVCodecContext *s,
1256 da64ecc3 Drew Hess
                            const AVFrame *src, int offset[4],
1257 3bb07d61 Michael Niedermayer
                            int y, int type, int height);
1258 bf89e6b1 Fabrice Bellard
1259 de6d9b64 Fabrice Bellard
    /* audio only */
1260 f5bccd85 Diego Biurrun
    int sample_rate; ///< samples per second
1261 5fcc4a23 Stefano Sabatini
    int channels;    ///< number of audio channels
1262 a3a5f4d6 Michael Niedermayer
1263
    /**
1264 f5bccd85 Diego Biurrun
     * audio sample format
1265
     * - encoding: Set by user.
1266
     * - decoding: Set by libavcodec.
1267 a3a5f4d6 Michael Niedermayer
     */
1268 5d6e4c16 Stefano Sabatini
    enum AVSampleFormat sample_fmt;  ///< sample format
1269 de6d9b64 Fabrice Bellard
1270 f5bccd85 Diego Biurrun
    /* The following data should not be initialized. */
1271 718b27a7 Michael Niedermayer
    /**
1272 f5bccd85 Diego Biurrun
     * Samples per packet, initialized when calling 'init'.
1273 718b27a7 Michael Niedermayer
     */
1274
    int frame_size;
1275 115329f1 Diego Biurrun
    int frame_number;   ///< audio or video frame number
1276 c0601d70 Baptiste Coudurier
#if LIBAVCODEC_VERSION_MAJOR < 53
1277 f5bccd85 Diego Biurrun
    int real_pict_num;  ///< Returns the real picture number of previous encoded frame.
1278 c0601d70 Baptiste Coudurier
#endif
1279 115329f1 Diego Biurrun
1280 b71901e6 Michael Niedermayer
    /**
1281 f5bccd85 Diego Biurrun
     * Number of frames the decoded output will be delayed relative to
1282 64863965 Michael Niedermayer
     * the encoded input.
1283 f5bccd85 Diego Biurrun
     * - encoding: Set by libavcodec.
1284 64863965 Michael Niedermayer
     * - decoding: unused
1285 b71901e6 Michael Niedermayer
     */
1286
    int delay;
1287 115329f1 Diego Biurrun
1288 64863965 Michael Niedermayer
    /* - encoding parameters */
1289
    float qcompress;  ///< amount of qscale change between easy & hard scenes (0.0-1.0)
1290 115329f1 Diego Biurrun
    float qblur;      ///< amount of qscale smoothing over time (0.0-1.0)
1291
1292 b71901e6 Michael Niedermayer
    /**
1293 f5bccd85 Diego Biurrun
     * minimum quantizer
1294
     * - encoding: Set by user.
1295 64863965 Michael Niedermayer
     * - decoding: unused
1296 b71901e6 Michael Niedermayer
     */
1297
    int qmin;
1298
1299
    /**
1300 f5bccd85 Diego Biurrun
     * maximum quantizer
1301
     * - encoding: Set by user.
1302 64863965 Michael Niedermayer
     * - decoding: unused
1303 b71901e6 Michael Niedermayer
     */
1304
    int qmax;
1305
1306
    /**
1307 f5bccd85 Diego Biurrun
     * maximum quantizer difference between frames
1308
     * - encoding: Set by user.
1309 64863965 Michael Niedermayer
     * - decoding: unused
1310 b71901e6 Michael Niedermayer
     */
1311
    int max_qdiff;
1312
1313
    /**
1314 f5bccd85 Diego Biurrun
     * maximum number of B-frames between non-B-frames
1315
     * Note: The output will be delayed by max_b_frames+1 relative to the input.
1316
     * - encoding: Set by user.
1317 64863965 Michael Niedermayer
     * - decoding: unused
1318 b71901e6 Michael Niedermayer
     */
1319
    int max_b_frames;
1320
1321
    /**
1322 f5bccd85 Diego Biurrun
     * qscale factor between IP and B-frames
1323 662e5411 tripp
     * If > 0 then the last P-frame quantizer will be used (q= lastp_q*factor+offset).
1324
     * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
1325 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
1326 64863965 Michael Niedermayer
     * - decoding: unused
1327 b71901e6 Michael Niedermayer
     */
1328
    float b_quant_factor;
1329 115329f1 Diego Biurrun
1330 b71901e6 Michael Niedermayer
    /** obsolete FIXME remove */
1331
    int rc_strategy;
1332 64b7c5b6 Michael Niedermayer
#define FF_RC_STRATEGY_XVID 1
1333
1334 8b4c7dbc Michael Niedermayer
    int b_frame_strategy;
1335 9dbcbd92 Michael Niedermayer
1336 b71901e6 Michael Niedermayer
    /**
1337 85947156 Vitor Sessak
     * hurry up amount
1338
     * - encoding: unused
1339
     * - decoding: Set by user. 1-> Skip B-frames, 2-> Skip IDCT/dequant too, 5-> Skip everything except header
1340 f9ec0aa1 Panagiotis Issaris
     * @deprecated Deprecated in favor of skip_idct and skip_frame.
1341 b71901e6 Michael Niedermayer
     */
1342
    int hurry_up;
1343 115329f1 Diego Biurrun
1344 de6d9b64 Fabrice Bellard
    struct AVCodec *codec;
1345 115329f1 Diego Biurrun
1346 de6d9b64 Fabrice Bellard
    void *priv_data;
1347
1348 bb628dae Diego Biurrun
    int rtp_payload_size;   /* The size of the RTP payload: the coder will  */
1349 f5bccd85 Diego Biurrun
                            /* do its best to deliver a chunk with size     */
1350 644d98a4 Juanjo
                            /* below rtp_payload_size, the chunk will start */
1351 f5bccd85 Diego Biurrun
                            /* with a start code on some codecs like H.263. */
1352 644d98a4 Juanjo
                            /* This doesn't take account of any particular  */
1353 f5bccd85 Diego Biurrun
                            /* headers inside the transmitted RTP payload.  */
1354 81401c1f Juanjo
1355 115329f1 Diego Biurrun
1356 f5bccd85 Diego Biurrun
    /* The RTP callback: This function is called    */
1357
    /* every time the encoder has a packet to send. */
1358
    /* It depends on the encoder if the data starts */
1359
    /* with a Start Code (it should). H.263 does.   */
1360
    /* mb_nb contains the number of macroblocks     */
1361
    /* encoded in the RTP payload.                  */
1362 115329f1 Diego Biurrun
    void (*rtp_callback)(struct AVCodecContext *avctx, void *data, int size, int mb_nb);
1363 81401c1f Juanjo
1364 098eefe1 Michael Niedermayer
    /* statistics, used for 2-pass encoding */
1365
    int mv_bits;
1366
    int header_bits;
1367
    int i_tex_bits;
1368
    int p_tex_bits;
1369
    int i_count;
1370
    int p_count;
1371
    int skip_count;
1372 b71901e6 Michael Niedermayer
    int misc_bits;
1373 115329f1 Diego Biurrun
1374 b71901e6 Michael Niedermayer
    /**
1375 f5bccd85 Diego Biurrun
     * number of bits used for the previously encoded frame
1376
     * - encoding: Set by libavcodec.
1377 7004ffb3 Michael Niedermayer
     * - decoding: unused
1378 b71901e6 Michael Niedermayer
     */
1379 098eefe1 Michael Niedermayer
    int frame_bits;
1380 7004ffb3 Michael Niedermayer
1381 b71901e6 Michael Niedermayer
    /**
1382 f5bccd85 Diego Biurrun
     * Private data of the user, can be used to carry app specific stuff.
1383
     * - encoding: Set by user.
1384
     * - decoding: Set by user.
1385 b71901e6 Michael Niedermayer
     */
1386
    void *opaque;
1387
1388 de6d9b64 Fabrice Bellard
    char codec_name[32];
1389 72415b2a Stefano Sabatini
    enum AVMediaType codec_type; /* see AVMEDIA_TYPE_xxx */
1390 4a663d80 Philip Gladstone
    enum CodecID codec_id; /* see CODEC_ID_xxx */
1391 115329f1 Diego Biurrun
1392 7004ffb3 Michael Niedermayer
    /**
1393
     * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
1394 f5bccd85 Diego Biurrun
     * This is used to work around some encoder bugs.
1395
     * A demuxer should set this to what is stored in the field used to identify the codec.
1396
     * If there are multiple such fields in a container then the demuxer should choose the one
1397
     * which maximizes the information about the used codec.
1398
     * If the codec tag field in a container is larger then 32 bits then the demuxer should
1399
     * remap the longer ID to 32 bits with a table or other structure. Alternatively a new
1400 47bbf8a7 Michael Niedermayer
     * extra_codec_tag + size could be added but for this a clear advantage must be demonstrated
1401 f5bccd85 Diego Biurrun
     * first.
1402
     * - encoding: Set by user, if not then the default based on codec_id will be used.
1403
     * - decoding: Set by user, will be converted to uppercase by libavcodec during init.
1404 7004ffb3 Michael Niedermayer
     */
1405
    unsigned int codec_tag;
1406 115329f1 Diego Biurrun
1407 b71901e6 Michael Niedermayer
    /**
1408 f5bccd85 Diego Biurrun
     * Work around bugs in encoders which sometimes cannot be detected automatically.
1409
     * - encoding: Set by user
1410
     * - decoding: Set by user
1411 b71901e6 Michael Niedermayer
     */
1412
    int workaround_bugs;
1413 64863965 Michael Niedermayer
#define FF_BUG_AUTODETECT       1  ///< autodetection
1414 4d2858de Michael Niedermayer
#define FF_BUG_OLD_MSMPEG4      2
1415
#define FF_BUG_XVID_ILACE       4
1416
#define FF_BUG_UMP4             8
1417
#define FF_BUG_NO_PADDING       16
1418 3116cb14 Michael Niedermayer
#define FF_BUG_AMV              32
1419 f5bccd85 Diego Biurrun
#define FF_BUG_AC_VLC           0  ///< Will be removed, libavcodec can now handle these non-compliant files by default.
1420 03e93d35 Michael Niedermayer
#define FF_BUG_QPEL_CHROMA      64
1421 db794953 Michael Niedermayer
#define FF_BUG_STD_QPEL         128
1422 36df8805 Michael Niedermayer
#define FF_BUG_QPEL_CHROMA2     256
1423 c40c3482 Michael Niedermayer
#define FF_BUG_DIRECT_BLOCKSIZE 512
1424 1c6dcb0f Michael Niedermayer
#define FF_BUG_EDGE             1024
1425 b44bdf7e Michael Niedermayer
#define FF_BUG_HPEL_CHROMA      2048
1426 4ccde216 Michael Niedermayer
#define FF_BUG_DC_CLIP          4096
1427 f5bccd85 Diego Biurrun
#define FF_BUG_MS               8192 ///< Work around various bugs in Microsoft's broken decoders.
1428 3566042a Michael Niedermayer
#define FF_BUG_TRUNCATED       16384
1429 f5bccd85 Diego Biurrun
//#define FF_BUG_FAKE_SCALABILITY 16 //Autodetection should work 100%.
1430 115329f1 Diego Biurrun
1431 b71901e6 Michael Niedermayer
    /**
1432 f5bccd85 Diego Biurrun
     * luma single coefficient elimination threshold
1433
     * - encoding: Set by user.
1434 64863965 Michael Niedermayer
     * - decoding: unused
1435 b71901e6 Michael Niedermayer
     */
1436 1f6b6e50 Michael Niedermayer
    int luma_elim_threshold;
1437 115329f1 Diego Biurrun
1438 b71901e6 Michael Niedermayer
    /**
1439 f5bccd85 Diego Biurrun
     * chroma single coeff elimination threshold
1440
     * - encoding: Set by user.
1441 64863965 Michael Niedermayer
     * - decoding: unused
1442 b71901e6 Michael Niedermayer
     */
1443 1f6b6e50 Michael Niedermayer
    int chroma_elim_threshold;
1444 115329f1 Diego Biurrun
1445 b71901e6 Michael Niedermayer
    /**
1446 f5bccd85 Diego Biurrun
     * strictly follow the standard (MPEG4, ...).
1447
     * - encoding: Set by user.
1448 5771b2c3 Michael Niedermayer
     * - decoding: Set by user.
1449
     * Setting this to STRICT or higher means the encoder and decoder will
1450 2d525ef4 Rodney Baker
     * generally do stupid things, whereas setting it to unofficial or lower
1451 538c0e13 Rodney Baker
     * will mean the encoder might produce output that is not supported by all
1452
     * spec-compliant decoders. Decoders don't differentiate between normal,
1453 2d525ef4 Rodney Baker
     * unofficial and experimental (that is, they always try to decode things
1454 538c0e13 Rodney Baker
     * when they can) unless they are explicitly asked to behave stupidly
1455 5771b2c3 Michael Niedermayer
     * (=strictly conform to the specs)
1456 b71901e6 Michael Niedermayer
     */
1457
    int strict_std_compliance;
1458 538c0e13 Rodney Baker
#define FF_COMPLIANCE_VERY_STRICT   2 ///< Strictly conform to an older more strict version of the spec or reference software.
1459 f5bccd85 Diego Biurrun
#define FF_COMPLIANCE_STRICT        1 ///< Strictly conform to all the things in the spec no matter what consequences.
1460 9cd81798 Michael Niedermayer
#define FF_COMPLIANCE_NORMAL        0
1461 59b4e5ba Aurelien Jacobs
#if FF_API_INOFFICIAL
1462 2d525ef4 Rodney Baker
#define FF_COMPLIANCE_INOFFICIAL   -1 ///< Allow inofficial extensions (deprecated - use FF_COMPLIANCE_UNOFFICIAL instead).
1463
#endif
1464
#define FF_COMPLIANCE_UNOFFICIAL   -1 ///< Allow unofficial extensions
1465 f5bccd85 Diego Biurrun
#define FF_COMPLIANCE_EXPERIMENTAL -2 ///< Allow nonstandardized experimental things.
1466 9cd81798 Michael Niedermayer
1467 b71901e6 Michael Niedermayer
    /**
1468 f5bccd85 Diego Biurrun
     * qscale offset between IP and B-frames
1469
     * - encoding: Set by user.
1470 64863965 Michael Niedermayer
     * - decoding: unused
1471 b71901e6 Michael Niedermayer
     */
1472
    float b_quant_offset;
1473 115329f1 Diego Biurrun
1474 b71901e6 Michael Niedermayer
    /**
1475 047599a4 Michael Niedermayer
     * Error recognization; higher values will detect more errors but may
1476 f5bccd85 Diego Biurrun
     * misdetect some more or less valid parts as errors.
1477 64863965 Michael Niedermayer
     * - encoding: unused
1478 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
1479 b71901e6 Michael Niedermayer
     */
1480 047599a4 Michael Niedermayer
    int error_recognition;
1481 1471c6c2 Diego Biurrun
#define FF_ER_CAREFUL         1
1482 ce3bcaed Michael Niedermayer
#define FF_ER_COMPLIANT       2
1483
#define FF_ER_AGGRESSIVE      3
1484
#define FF_ER_VERY_AGGRESSIVE 4
1485 115329f1 Diego Biurrun
1486 6b72ac63 Michael Niedermayer
    /**
1487 f5bccd85 Diego Biurrun
     * Called at the beginning of each frame to get a buffer for it.
1488
     * If pic.reference is set then the frame will be read later by libavcodec.
1489 eb285cfe Reimar Döffinger
     * avcodec_align_dimensions2() should be used to find the required width and
1490 f5bccd85 Diego Biurrun
     * height, as they normally need to be rounded up to the next multiple of 16.
1491 f1b99cc6 Michael Niedermayer
     * if CODEC_CAP_DR1 is not set then get_buffer() must call
1492
     * avcodec_default_get_buffer() instead of providing buffers allocated by
1493
     * some other means.
1494 64863965 Michael Niedermayer
     * - encoding: unused
1495 53128bc3 Peter Ross
     * - decoding: Set by libavcodec, user can override.
1496 b71901e6 Michael Niedermayer
     */
1497 492cd3a9 Michael Niedermayer
    int (*get_buffer)(struct AVCodecContext *c, AVFrame *pic);
1498 115329f1 Diego Biurrun
1499 b71901e6 Michael Niedermayer
    /**
1500 69b192ac Ramiro Polla
     * Called to release buffers which were allocated with get_buffer.
1501 f5bccd85 Diego Biurrun
     * A released buffer can be reused in get_buffer().
1502
     * pic.data[*] must be set to NULL.
1503 64863965 Michael Niedermayer
     * - encoding: unused
1504 53128bc3 Peter Ross
     * - decoding: Set by libavcodec, user can override.
1505 b71901e6 Michael Niedermayer
     */
1506 492cd3a9 Michael Niedermayer
    void (*release_buffer)(struct AVCodecContext *c, AVFrame *pic);
1507 0fd90455 Michael Niedermayer
1508 b71901e6 Michael Niedermayer
    /**
1509 eb8a25c8 Michael Niedermayer
     * Size of the frame reordering buffer in the decoder.
1510 2d7b0560 Diego Biurrun
     * For MPEG-2 it is 1 IPB or 0 low delay IP.
1511 f5bccd85 Diego Biurrun
     * - encoding: Set by libavcodec.
1512
     * - decoding: Set by libavcodec.
1513 b71901e6 Michael Niedermayer
     */
1514
    int has_b_frames;
1515 718b27a7 Michael Niedermayer
1516
    /**
1517
     * number of bytes per packet if constant and known or 0
1518 f5bccd85 Diego Biurrun
     * Used by some WAV based audio codecs.
1519 718b27a7 Michael Niedermayer
     */
1520
    int block_align;
1521 115329f1 Diego Biurrun
1522 f5bccd85 Diego Biurrun
    int parse_only; /* - decoding only: If true, only parsing is done
1523 917e06c8 Fabrice Bellard
                       (function avcodec_parse_frame()). The frame
1524
                       data is returned. Only MPEG codecs support this now. */
1525 115329f1 Diego Biurrun
1526 b71901e6 Michael Niedermayer
    /**
1527 f5bccd85 Diego Biurrun
     * 0-> h263 quant 1-> mpeg quant
1528
     * - encoding: Set by user.
1529 64863965 Michael Niedermayer
     * - decoding: unused
1530 b71901e6 Michael Niedermayer
     */
1531
    int mpeg_quant;
1532 115329f1 Diego Biurrun
1533 b71901e6 Michael Niedermayer
    /**
1534 f5bccd85 Diego Biurrun
     * pass1 encoding statistics output buffer
1535
     * - encoding: Set by libavcodec.
1536 64863965 Michael Niedermayer
     * - decoding: unused
1537 b71901e6 Michael Niedermayer
     */
1538 64863965 Michael Niedermayer
    char *stats_out;
1539 115329f1 Diego Biurrun
1540 b71901e6 Michael Niedermayer
    /**
1541 f5bccd85 Diego Biurrun
     * pass2 encoding statistics input buffer
1542
     * Concatenated stuff from stats_out of pass1 should be placed here.
1543
     * - encoding: Allocated/set/freed by user.
1544 64863965 Michael Niedermayer
     * - decoding: unused
1545 b71901e6 Michael Niedermayer
     */
1546
    char *stats_in;
1547 115329f1 Diego Biurrun
1548 b71901e6 Michael Niedermayer
    /**
1549 f5bccd85 Diego Biurrun
     * ratecontrol qmin qmax limiting method
1550
     * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax.
1551
     * - encoding: Set by user.
1552 64863965 Michael Niedermayer
     * - decoding: unused
1553 b71901e6 Michael Niedermayer
     */
1554 ce980a95 Michael Niedermayer
    float rc_qsquish;
1555 b71901e6 Michael Niedermayer
1556 ce980a95 Michael Niedermayer
    float rc_qmod_amp;
1557
    int rc_qmod_freq;
1558 115329f1 Diego Biurrun
1559 b71901e6 Michael Niedermayer
    /**
1560 f5bccd85 Diego Biurrun
     * ratecontrol override, see RcOverride
1561
     * - encoding: Allocated/set/freed by user.
1562 64863965 Michael Niedermayer
     * - decoding: unused
1563 b71901e6 Michael Niedermayer
     */
1564 ce980a95 Michael Niedermayer
    RcOverride *rc_override;
1565
    int rc_override_count;
1566 115329f1 Diego Biurrun
1567 b71901e6 Michael Niedermayer
    /**
1568 f5bccd85 Diego Biurrun
     * rate control equation
1569
     * - encoding: Set by user
1570 64863965 Michael Niedermayer
     * - decoding: unused
1571 b71901e6 Michael Niedermayer
     */
1572 6881b8e5 Luca Abeni
    const char *rc_eq;
1573 115329f1 Diego Biurrun
1574 b71901e6 Michael Niedermayer
    /**
1575 f5bccd85 Diego Biurrun
     * maximum bitrate
1576
     * - encoding: Set by user.
1577 64863965 Michael Niedermayer
     * - decoding: unused
1578 b71901e6 Michael Niedermayer
     */
1579 ce980a95 Michael Niedermayer
    int rc_max_rate;
1580 115329f1 Diego Biurrun
1581 b71901e6 Michael Niedermayer
    /**
1582 f5bccd85 Diego Biurrun
     * minimum bitrate
1583
     * - encoding: Set by user.
1584 64863965 Michael Niedermayer
     * - decoding: unused
1585 b71901e6 Michael Niedermayer
     */
1586 ce980a95 Michael Niedermayer
    int rc_min_rate;
1587 115329f1 Diego Biurrun
1588 b71901e6 Michael Niedermayer
    /**
1589 f5bccd85 Diego Biurrun
     * decoder bitstream buffer size
1590
     * - encoding: Set by user.
1591 64863965 Michael Niedermayer
     * - decoding: unused
1592 b71901e6 Michael Niedermayer
     */
1593 ce980a95 Michael Niedermayer
    int rc_buffer_size;
1594
    float rc_buffer_aggressivity;
1595 b71901e6 Michael Niedermayer
1596
    /**
1597 f5bccd85 Diego Biurrun
     * qscale factor between P and I-frames
1598
     * If > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset).
1599
     * If < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset).
1600
     * - encoding: Set by user.
1601 64863965 Michael Niedermayer
     * - decoding: unused
1602 b71901e6 Michael Niedermayer
     */
1603
    float i_quant_factor;
1604 115329f1 Diego Biurrun
1605 b71901e6 Michael Niedermayer
    /**
1606 f5bccd85 Diego Biurrun
     * qscale offset between P and I-frames
1607
     * - encoding: Set by user.
1608 64863965 Michael Niedermayer
     * - decoding: unused
1609 b71901e6 Michael Niedermayer
     */
1610
    float i_quant_offset;
1611 115329f1 Diego Biurrun
1612 b71901e6 Michael Niedermayer
    /**
1613 f5bccd85 Diego Biurrun
     * initial complexity for pass1 ratecontrol
1614
     * - encoding: Set by user.
1615 64863965 Michael Niedermayer
     * - decoding: unused
1616 b71901e6 Michael Niedermayer
     */
1617 ce980a95 Michael Niedermayer
    float rc_initial_cplx;
1618 917e06c8 Fabrice Bellard
1619 b71901e6 Michael Niedermayer
    /**
1620 f5bccd85 Diego Biurrun
     * DCT algorithm, see FF_DCT_* below
1621
     * - encoding: Set by user.
1622 64863965 Michael Niedermayer
     * - decoding: unused
1623 b71901e6 Michael Niedermayer
     */
1624 28db7fce Michael Niedermayer
    int dct_algo;
1625 c7e07931 Martin Olschewski
#define FF_DCT_AUTO    0
1626 28db7fce Michael Niedermayer
#define FF_DCT_FASTINT 1
1627 c7e07931 Martin Olschewski
#define FF_DCT_INT     2
1628
#define FF_DCT_MMX     3
1629
#define FF_DCT_MLIB    4
1630 05c4072b Michael Niedermayer
#define FF_DCT_ALTIVEC 5
1631 65e4c8c9 Michael Niedermayer
#define FF_DCT_FAAN    6
1632 115329f1 Diego Biurrun
1633 c5d309f2 Michael Niedermayer
    /**
1634 f5bccd85 Diego Biurrun
     * luminance masking (0-> disabled)
1635
     * - encoding: Set by user.
1636 64863965 Michael Niedermayer
     * - decoding: unused
1637 c5d309f2 Michael Niedermayer
     */
1638
    float lumi_masking;
1639 115329f1 Diego Biurrun
1640 c5d309f2 Michael Niedermayer
    /**
1641 f5bccd85 Diego Biurrun
     * temporary complexity masking (0-> disabled)
1642
     * - encoding: Set by user.
1643 64863965 Michael Niedermayer
     * - decoding: unused
1644 c5d309f2 Michael Niedermayer
     */
1645
    float temporal_cplx_masking;
1646 115329f1 Diego Biurrun
1647 c5d309f2 Michael Niedermayer
    /**
1648 f5bccd85 Diego Biurrun
     * spatial complexity masking (0-> disabled)
1649
     * - encoding: Set by user.
1650 64863965 Michael Niedermayer
     * - decoding: unused
1651 c5d309f2 Michael Niedermayer
     */
1652
    float spatial_cplx_masking;
1653 115329f1 Diego Biurrun
1654 c5d309f2 Michael Niedermayer
    /**
1655 f5bccd85 Diego Biurrun
     * p block masking (0-> disabled)
1656
     * - encoding: Set by user.
1657 64863965 Michael Niedermayer
     * - decoding: unused
1658 c5d309f2 Michael Niedermayer
     */
1659
    float p_masking;
1660 15415af4 Michael Niedermayer
1661 5e746b99 Michael Niedermayer
    /**
1662 f5bccd85 Diego Biurrun
     * darkness masking (0-> disabled)
1663
     * - encoding: Set by user.
1664 64863965 Michael Niedermayer
     * - decoding: unused
1665 5e746b99 Michael Niedermayer
     */
1666
    float dark_masking;
1667 115329f1 Diego Biurrun
1668 0c2dd16e Michael Niedermayer
    /**
1669 f5bccd85 Diego Biurrun
     * IDCT algorithm, see FF_IDCT_* below.
1670
     * - encoding: Set by user.
1671
     * - decoding: Set by user.
1672 2ad1516a Michael Niedermayer
     */
1673
    int idct_algo;
1674 273b0cd3 Diego Biurrun
#define FF_IDCT_AUTO          0
1675
#define FF_IDCT_INT           1
1676
#define FF_IDCT_SIMPLE        2
1677
#define FF_IDCT_SIMPLEMMX     3
1678
#define FF_IDCT_LIBMPEG2MMX   4
1679
#define FF_IDCT_PS2           5
1680
#define FF_IDCT_MLIB          6
1681
#define FF_IDCT_ARM           7
1682
#define FF_IDCT_ALTIVEC       8
1683
#define FF_IDCT_SH4           9
1684
#define FF_IDCT_SIMPLEARM     10
1685
#define FF_IDCT_H264          11
1686
#define FF_IDCT_VP3           12
1687
#define FF_IDCT_IPP           13
1688
#define FF_IDCT_XVIDMMX       14
1689
#define FF_IDCT_CAVS          15
1690 a0403006 Måns Rullgård
#define FF_IDCT_SIMPLEARMV5TE 16
1691 273b0cd3 Diego Biurrun
#define FF_IDCT_SIMPLEARMV6   17
1692 d9420d4d Denes Balatoni
#define FF_IDCT_SIMPLEVIS     18
1693 9abc7e0f Michael Niedermayer
#define FF_IDCT_WMV2          19
1694 6f08c541 Michael Niedermayer
#define FF_IDCT_FAAN          20
1695 42b30357 Peter Ross
#define FF_IDCT_EA            21
1696 7eec4328 Måns Rullgård
#define FF_IDCT_SIMPLENEON    22
1697 74c47463 Måns Rullgård
#define FF_IDCT_SIMPLEALPHA   23
1698 342c7dfd Kostya Shishkov
#define FF_IDCT_BINK          24
1699 2ad1516a Michael Niedermayer
1700 144f0625 Michael Niedermayer
    /**
1701 f5bccd85 Diego Biurrun
     * slice count
1702
     * - encoding: Set by libavcodec.
1703
     * - decoding: Set by user (or 0).
1704 144f0625 Michael Niedermayer
     */
1705
    int slice_count;
1706
    /**
1707 f5bccd85 Diego Biurrun
     * slice offsets in the frame in bytes
1708
     * - encoding: Set/allocated by libavcodec.
1709
     * - decoding: Set/allocated by user (or NULL).
1710 144f0625 Michael Niedermayer
     */
1711
    int *slice_offset;
1712
1713 4d2858de Michael Niedermayer
    /**
1714 f5bccd85 Diego Biurrun
     * error concealment flags
1715 64863965 Michael Niedermayer
     * - encoding: unused
1716 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
1717 4d2858de Michael Niedermayer
     */
1718
    int error_concealment;
1719
#define FF_EC_GUESS_MVS   1
1720
#define FF_EC_DEBLOCK     2
1721
1722 6b72ac63 Michael Niedermayer
    /**
1723 bec89a84 Zdenek Kabelac
     * dsp_mask could be add used to disable unwanted CPU features
1724 8350df97 Zdenek Kabelac
     * CPU features (i.e. MMX, SSE. ...)
1725 bec89a84 Zdenek Kabelac
     *
1726 f5bccd85 Diego Biurrun
     * With the FORCE flag you may instead enable given CPU features.
1727
     * (Dangerous: Usable in case of misdetection, improper usage however will
1728
     * result into program crash.)
1729 bec89a84 Zdenek Kabelac
     */
1730
    unsigned dsp_mask;
1731 7160bb71 Stefano Sabatini
1732
#if FF_API_MM_FLAGS
1733
#define FF_MM_FORCE      AV_CPU_FLAG_FORCE
1734
#define FF_MM_MMX        AV_CPU_FLAG_MMX
1735
#define FF_MM_3DNOW      AV_CPU_FLAG_3DNOW
1736
#define FF_MM_MMXEXT     AV_CPU_FLAG_MMX2
1737
#define FF_MM_MMX2       AV_CPU_FLAG_MMX2
1738
#define FF_MM_SSE        AV_CPU_FLAG_SSE
1739
#define FF_MM_SSE2       AV_CPU_FLAG_SSE2
1740
#define FF_MM_SSE2SLOW   AV_CPU_FLAG_SSE2SLOW
1741
#define FF_MM_3DNOWEXT   AV_CPU_FLAG_3DNOWEXT
1742
#define FF_MM_SSE3       AV_CPU_FLAG_SSE3
1743
#define FF_MM_SSE3SLOW   AV_CPU_FLAG_SSE3SLOW
1744
#define FF_MM_SSSE3      AV_CPU_FLAG_SSSE3
1745
#define FF_MM_SSE4       AV_CPU_FLAG_SSE4
1746
#define FF_MM_SSE42      AV_CPU_FLAG_SSE42
1747
#define FF_MM_IWMMXT     AV_CPU_FLAG_IWMMXT
1748
#define FF_MM_ALTIVEC    AV_CPU_FLAG_ALTIVEC
1749 6b434361 Stefano Sabatini
#endif
1750 11f18faf Michael Niedermayer
1751
    /**
1752 64863965 Michael Niedermayer
     * bits per sample/pixel from the demuxer (needed for huffyuv).
1753 f5bccd85 Diego Biurrun
     * - encoding: Set by libavcodec.
1754
     * - decoding: Set by user.
1755 11f18faf Michael Niedermayer
     */
1756 46a73068 Peter Ross
     int bits_per_coded_sample;
1757 115329f1 Diego Biurrun
1758 11f18faf Michael Niedermayer
    /**
1759 f5bccd85 Diego Biurrun
     * prediction method (needed for huffyuv)
1760
     * - encoding: Set by user.
1761 64863965 Michael Niedermayer
     * - decoding: unused
1762 11f18faf Michael Niedermayer
     */
1763
     int prediction_method;
1764
#define FF_PRED_LEFT   0
1765
#define FF_PRED_PLANE  1
1766
#define FF_PRED_MEDIAN 2
1767 115329f1 Diego Biurrun
1768 5d3cea3a Michael Niedermayer
    /**
1769 f5bccd85 Diego Biurrun
     * sample aspect ratio (0 if unknown)
1770 8e5af7a6 Michael Niedermayer
     * That is the width of a pixel divided by the height of the pixel.
1771 f5bccd85 Diego Biurrun
     * Numerator and denominator must be relatively prime and smaller than 256 for some video standards.
1772
     * - encoding: Set by user.
1773
     * - decoding: Set by libavcodec.
1774 5d3cea3a Michael Niedermayer
     */
1775 5ff85f1d Michael Niedermayer
    AVRational sample_aspect_ratio;
1776 1e491e29 Michael Niedermayer
1777
    /**
1778 f5bccd85 Diego Biurrun
     * the picture in the bitstream
1779
     * - encoding: Set by libavcodec.
1780
     * - decoding: Set by libavcodec.
1781 1e491e29 Michael Niedermayer
     */
1782 492cd3a9 Michael Niedermayer
    AVFrame *coded_frame;
1783 c8c437bc Michael Niedermayer
1784
    /**
1785 f5bccd85 Diego Biurrun
     * debug
1786
     * - encoding: Set by user.
1787
     * - decoding: Set by user.
1788 c8c437bc Michael Niedermayer
     */
1789
    int debug;
1790 273b0cd3 Diego Biurrun
#define FF_DEBUG_PICT_INFO   1
1791
#define FF_DEBUG_RC          2
1792
#define FF_DEBUG_BITSTREAM   4
1793
#define FF_DEBUG_MB_TYPE     8
1794
#define FF_DEBUG_QP          16
1795
#define FF_DEBUG_MV          32
1796
#define FF_DEBUG_DCT_COEFF   0x00000040
1797
#define FF_DEBUG_SKIP        0x00000080
1798
#define FF_DEBUG_STARTCODE   0x00000100
1799
#define FF_DEBUG_PTS         0x00000200
1800
#define FF_DEBUG_ER          0x00000400
1801
#define FF_DEBUG_MMCO        0x00000800
1802
#define FF_DEBUG_BUGS        0x00001000
1803
#define FF_DEBUG_VIS_QP      0x00002000
1804 864119b6 Michael Niedermayer
#define FF_DEBUG_VIS_MB_TYPE 0x00004000
1805 385c820b Alexander Strange
#define FF_DEBUG_BUFFERS     0x00008000
1806 115329f1 Diego Biurrun
1807 140cb663 Michael Niedermayer
    /**
1808 f5bccd85 Diego Biurrun
     * debug
1809
     * - encoding: Set by user.
1810
     * - decoding: Set by user.
1811 0c9bbaec Wolfgang Hesseler
     */
1812
    int debug_mv;
1813
#define FF_DEBUG_VIS_MV_P_FOR  0x00000001 //visualize forward predicted MVs of P frames
1814
#define FF_DEBUG_VIS_MV_B_FOR  0x00000002 //visualize forward predicted MVs of B frames
1815
#define FF_DEBUG_VIS_MV_B_BACK 0x00000004 //visualize backward predicted MVs of B frames
1816
1817
    /**
1818 f5bccd85 Diego Biurrun
     * error
1819
     * - encoding: Set by libavcodec if flags&CODEC_FLAG_PSNR.
1820 64863965 Michael Niedermayer
     * - decoding: unused
1821 140cb663 Michael Niedermayer
     */
1822
    uint64_t error[4];
1823 115329f1 Diego Biurrun
1824 17a70fde Michael Niedermayer
    /**
1825 f5bccd85 Diego Biurrun
     * minimum MB quantizer
1826 6e0d8c06 Michael Niedermayer
     * - encoding: unused
1827 64863965 Michael Niedermayer
     * - decoding: unused
1828 17a70fde Michael Niedermayer
     */
1829
    int mb_qmin;
1830
1831
    /**
1832 f5bccd85 Diego Biurrun
     * maximum MB quantizer
1833 6e0d8c06 Michael Niedermayer
     * - encoding: unused
1834 64863965 Michael Niedermayer
     * - decoding: unused
1835 17a70fde Michael Niedermayer
     */
1836
    int mb_qmax;
1837 115329f1 Diego Biurrun
1838 1457ab52 Michael Niedermayer
    /**
1839 f5bccd85 Diego Biurrun
     * motion estimation comparison function
1840
     * - encoding: Set by user.
1841 64863965 Michael Niedermayer
     * - decoding: unused
1842 1457ab52 Michael Niedermayer
     */
1843
    int me_cmp;
1844
    /**
1845 f5bccd85 Diego Biurrun
     * subpixel motion estimation comparison function
1846
     * - encoding: Set by user.
1847 64863965 Michael Niedermayer
     * - decoding: unused
1848 1457ab52 Michael Niedermayer
     */
1849
    int me_sub_cmp;
1850
    /**
1851 f5bccd85 Diego Biurrun
     * macroblock comparison function (not supported yet)
1852
     * - encoding: Set by user.
1853 64863965 Michael Niedermayer
     * - decoding: unused
1854 1457ab52 Michael Niedermayer
     */
1855
    int mb_cmp;
1856 622348f9 Michael Niedermayer
    /**
1857 f5bccd85 Diego Biurrun
     * interlaced DCT comparison function
1858
     * - encoding: Set by user.
1859 622348f9 Michael Niedermayer
     * - decoding: unused
1860
     */
1861
    int ildct_cmp;
1862 273b0cd3 Diego Biurrun
#define FF_CMP_SAD    0
1863
#define FF_CMP_SSE    1
1864
#define FF_CMP_SATD   2
1865
#define FF_CMP_DCT    3
1866
#define FF_CMP_PSNR   4
1867
#define FF_CMP_BIT    5
1868
#define FF_CMP_RD     6
1869
#define FF_CMP_ZERO   7
1870
#define FF_CMP_VSAD   8
1871
#define FF_CMP_VSSE   9
1872
#define FF_CMP_NSSE   10
1873
#define FF_CMP_W53    11
1874
#define FF_CMP_W97    12
1875 0fd6aea1 Michael Niedermayer
#define FF_CMP_DCTMAX 13
1876 27c61ac5 Michael Niedermayer
#define FF_CMP_DCT264 14
1877 1457ab52 Michael Niedermayer
#define FF_CMP_CHROMA 256
1878 115329f1 Diego Biurrun
1879 1457ab52 Michael Niedermayer
    /**
1880 f5bccd85 Diego Biurrun
     * ME diamond size & shape
1881
     * - encoding: Set by user.
1882 64863965 Michael Niedermayer
     * - decoding: unused
1883 1457ab52 Michael Niedermayer
     */
1884
    int dia_size;
1885 b07a5980 Michael Niedermayer
1886
    /**
1887 f5bccd85 Diego Biurrun
     * amount of previous MV predictors (2a+1 x 2a+1 square)
1888
     * - encoding: Set by user.
1889 64863965 Michael Niedermayer
     * - decoding: unused
1890 b07a5980 Michael Niedermayer
     */
1891
    int last_predictor_count;
1892 70ac76c0 Michael Niedermayer
1893 f5fb6b34 Michael Niedermayer
    /**
1894 f5bccd85 Diego Biurrun
     * prepass for motion estimation
1895
     * - encoding: Set by user.
1896 64863965 Michael Niedermayer
     * - decoding: unused
1897 f5fb6b34 Michael Niedermayer
     */
1898
    int pre_me;
1899 b07a5980 Michael Niedermayer
1900 70ac76c0 Michael Niedermayer
    /**
1901 f5bccd85 Diego Biurrun
     * motion estimation prepass comparison function
1902
     * - encoding: Set by user.
1903 64863965 Michael Niedermayer
     * - decoding: unused
1904 70ac76c0 Michael Niedermayer
     */
1905
    int me_pre_cmp;
1906 826f429a Michael Niedermayer
1907 70ac76c0 Michael Niedermayer
    /**
1908 f5bccd85 Diego Biurrun
     * ME prepass diamond size & shape
1909
     * - encoding: Set by user.
1910 64863965 Michael Niedermayer
     * - decoding: unused
1911 70ac76c0 Michael Niedermayer
     */
1912
    int pre_dia_size;
1913
1914 826f429a Michael Niedermayer
    /**
1915 f5bccd85 Diego Biurrun
     * subpel ME quality
1916
     * - encoding: Set by user.
1917 64863965 Michael Niedermayer
     * - decoding: unused
1918 826f429a Michael Niedermayer
     */
1919
    int me_subpel_quality;
1920
1921 a33c7159 Michael Niedermayer
    /**
1922 f5bccd85 Diego Biurrun
     * callback to negotiate the pixelFormat
1923 a33c7159 Michael Niedermayer
     * @param fmt is the list of formats which are supported by the codec,
1924 f5bccd85 Diego Biurrun
     * it is terminated by -1 as 0 is a valid format, the formats are ordered by quality.
1925
     * The first is always the native one.
1926
     * @return the chosen format
1927 64863965 Michael Niedermayer
     * - encoding: unused
1928 f5bccd85 Diego Biurrun
     * - decoding: Set by user, if not set the native format will be chosen.
1929 a33c7159 Michael Niedermayer
     */
1930 494c56d3 Ivan Kalvachev
    enum PixelFormat (*get_format)(struct AVCodecContext *s, const enum PixelFormat * fmt);
1931 e2f9490e Fabrice Bellard
1932
    /**
1933 f5bccd85 Diego Biurrun
     * DTG active format information (additional aspect ratio
1934
     * information only used in DVB MPEG-2 transport streams)
1935
     * 0 if not set.
1936 115329f1 Diego Biurrun
     *
1937 f5bccd85 Diego Biurrun
     * - encoding: unused
1938
     * - decoding: Set by decoder.
1939 e2f9490e Fabrice Bellard
     */
1940
    int dtg_active_format;
1941
#define FF_DTG_AFD_SAME         8
1942
#define FF_DTG_AFD_4_3          9
1943
#define FF_DTG_AFD_16_9         10
1944
#define FF_DTG_AFD_14_9         11
1945
#define FF_DTG_AFD_4_3_SP_14_9  13
1946
#define FF_DTG_AFD_16_9_SP_14_9 14
1947
#define FF_DTG_AFD_SP_4_3       15
1948
1949 ebbcdc9a Michael Niedermayer
    /**
1950 f5bccd85 Diego Biurrun
     * maximum motion estimation search range in subpel units
1951
     * If 0 then no limit.
1952 115329f1 Diego Biurrun
     *
1953 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
1954
     * - decoding: unused
1955 ebbcdc9a Michael Niedermayer
     */
1956 59e0ac8e Zdenek Kabelac
    int me_range;
1957 ebbcdc9a Michael Niedermayer
1958 65f7062d Michael Niedermayer
    /**
1959 f5bccd85 Diego Biurrun
     * intra quantizer bias
1960
     * - encoding: Set by user.
1961 1984f635 Michael Niedermayer
     * - decoding: unused
1962
     */
1963
    int intra_quant_bias;
1964
#define FF_DEFAULT_QUANT_BIAS 999999
1965 115329f1 Diego Biurrun
1966 1984f635 Michael Niedermayer
    /**
1967 f5bccd85 Diego Biurrun
     * inter quantizer bias
1968
     * - encoding: Set by user.
1969 1984f635 Michael Niedermayer
     * - decoding: unused
1970
     */
1971
    int inter_quant_bias;
1972 5cd62665 Zdenek Kabelac
1973
    /**
1974 f5bccd85 Diego Biurrun
     * color table ID
1975
     * - encoding: unused
1976
     * - decoding: Which clrtable should be used for 8bit RGB images.
1977
     *             Tables have to be stored somewhere. FIXME
1978 5cd62665 Zdenek Kabelac
     */
1979
    int color_table_id;
1980 115329f1 Diego Biurrun
1981 d90cf87b Michael Niedermayer
    /**
1982 f5bccd85 Diego Biurrun
     * internal_buffer count
1983
     * Don't touch, used by libavcodec default_get_buffer().
1984 d90cf87b Michael Niedermayer
     */
1985
    int internal_buffer_count;
1986 115329f1 Diego Biurrun
1987 d90cf87b Michael Niedermayer
    /**
1988 f5bccd85 Diego Biurrun
     * internal_buffers
1989
     * Don't touch, used by libavcodec default_get_buffer().
1990 d90cf87b Michael Niedermayer
     */
1991
    void *internal_buffer;
1992 158c7f05 Michael Niedermayer
1993 3d2e8cce Michael Niedermayer
    /**
1994 f5bccd85 Diego Biurrun
     * Global quality for codecs which cannot change it per frame.
1995
     * This should be proportional to MPEG-1/2/4 qscale.
1996
     * - encoding: Set by user.
1997 3d2e8cce Michael Niedermayer
     * - decoding: unused
1998
     */
1999
    int global_quality;
2000 115329f1 Diego Biurrun
2001 bd446bb1 Michael Niedermayer
#define FF_CODER_TYPE_VLC       0
2002
#define FF_CODER_TYPE_AC        1
2003 f87459e4 Kamil Nowosad
#define FF_CODER_TYPE_RAW       2
2004
#define FF_CODER_TYPE_RLE       3
2005
#define FF_CODER_TYPE_DEFLATE   4
2006 11e659c2 Michael Niedermayer
    /**
2007
     * coder type
2008 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2009 11e659c2 Michael Niedermayer
     * - decoding: unused
2010
     */
2011
    int coder_type;
2012
2013
    /**
2014
     * context model
2015 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2016 11e659c2 Michael Niedermayer
     * - decoding: unused
2017
     */
2018
    int context_model;
2019 5639729b Michael Niedermayer
#if 0
2020
    /**
2021
     *
2022
     * - encoding: unused
2023 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2024 5639729b Michael Niedermayer
     */
2025
    uint8_t * (*realloc)(struct AVCodecContext *s, uint8_t *buf, int buf_size);
2026
#endif
2027 115329f1 Diego Biurrun
2028 3bb07d61 Michael Niedermayer
    /**
2029
     * slice flags
2030
     * - encoding: unused
2031 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2032 3bb07d61 Michael Niedermayer
     */
2033
    int slice_flags;
2034
#define SLICE_FLAG_CODED_ORDER    0x0001 ///< draw_horiz_band() is called in coded order instead of display
2035
#define SLICE_FLAG_ALLOW_FIELD    0x0002 ///< allow draw_horiz_band() with field slices (MPEG2 field pics)
2036
#define SLICE_FLAG_ALLOW_PLANE    0x0004 ///< allow draw_horiz_band() with 1 component at a time (SVQ1)
2037
2038 fb364ada Ivan Kalvachev
    /**
2039
     * XVideo Motion Acceleration
2040
     * - encoding: forbidden
2041
     * - decoding: set by decoder
2042
     */
2043
    int xvmc_acceleration;
2044 115329f1 Diego Biurrun
2045 7d1c3fc1 Michael Niedermayer
    /**
2046
     * macroblock decision mode
2047 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2048 7d1c3fc1 Michael Niedermayer
     * - decoding: unused
2049
     */
2050
    int mb_decision;
2051
#define FF_MB_DECISION_SIMPLE 0        ///< uses mb_cmp
2052
#define FF_MB_DECISION_BITS   1        ///< chooses the one which needs the fewest bits
2053 e6dba5df Ramiro Polla
#define FF_MB_DECISION_RD     2        ///< rate distortion
2054 d6eb3c50 Michael Niedermayer
2055
    /**
2056
     * custom intra quantization matrix
2057 f5bccd85 Diego Biurrun
     * - encoding: Set by user, can be NULL.
2058
     * - decoding: Set by libavcodec.
2059 d6eb3c50 Michael Niedermayer
     */
2060
    uint16_t *intra_matrix;
2061
2062
    /**
2063
     * custom inter quantization matrix
2064 f5bccd85 Diego Biurrun
     * - encoding: Set by user, can be NULL.
2065
     * - decoding: Set by libavcodec.
2066 d6eb3c50 Michael Niedermayer
     */
2067
    uint16_t *inter_matrix;
2068 115329f1 Diego Biurrun
2069 541ae140 Michael Niedermayer
    /**
2070
     * fourcc from the AVI stream header (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A').
2071 f5bccd85 Diego Biurrun
     * This is used to work around some encoder bugs.
2072 541ae140 Michael Niedermayer
     * - encoding: unused
2073 f5bccd85 Diego Biurrun
     * - decoding: Set by user, will be converted to uppercase by libavcodec during init.
2074 541ae140 Michael Niedermayer
     */
2075
    unsigned int stream_codec_tag;
2076 05fbd0a2 Michael Niedermayer
2077
    /**
2078 f5bccd85 Diego Biurrun
     * scene change detection threshold
2079
     * 0 is default, larger means fewer detected scene changes.
2080
     * - encoding: Set by user.
2081 05fbd0a2 Michael Niedermayer
     * - decoding: unused
2082
     */
2083
    int scenechange_threshold;
2084 158c7f05 Michael Niedermayer
2085
    /**
2086 f5bccd85 Diego Biurrun
     * minimum Lagrange multipler
2087
     * - encoding: Set by user.
2088 158c7f05 Michael Niedermayer
     * - decoding: unused
2089
     */
2090
    int lmin;
2091
2092
    /**
2093 f5bccd85 Diego Biurrun
     * maximum Lagrange multipler
2094
     * - encoding: Set by user.
2095 158c7f05 Michael Niedermayer
     * - decoding: unused
2096
     */
2097
    int lmax;
2098 2a2bbcb0 Mike Melanson
2099 eda7c983 Aurelien Jacobs
#if FF_API_PALETTE_CONTROL
2100 2a2bbcb0 Mike Melanson
    /**
2101 f5bccd85 Diego Biurrun
     * palette control structure
2102 2a2bbcb0 Mike Melanson
     * - encoding: ??? (no palette-enabled encoder yet)
2103 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2104 2a2bbcb0 Mike Melanson
     */
2105
    struct AVPaletteControl *palctrl;
2106 eda7c983 Aurelien Jacobs
#endif
2107 821cb11f Michael Niedermayer
2108
    /**
2109
     * noise reduction strength
2110 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2111 821cb11f Michael Niedermayer
     * - decoding: unused
2112
     */
2113
    int noise_reduction;
2114 115329f1 Diego Biurrun
2115 074c4ca7 Roberto Togni
    /**
2116 f5bccd85 Diego Biurrun
     * Called at the beginning of a frame to get cr buffer for it.
2117
     * Buffer type (size, hints) must be the same. libavcodec won't check it.
2118
     * libavcodec will pass previous buffer in pic, function should return
2119 e1c2a5a0 Roberto Togni
     * same buffer or new buffer with old frame "painted" into it.
2120 f5bccd85 Diego Biurrun
     * If pic.data[0] == NULL must behave like get_buffer().
2121 f1b99cc6 Michael Niedermayer
     * if CODEC_CAP_DR1 is not set then reget_buffer() must call
2122
     * avcodec_default_reget_buffer() instead of providing buffers allocated by
2123
     * some other means.
2124 074c4ca7 Roberto Togni
     * - encoding: unused
2125 53128bc3 Peter Ross
     * - decoding: Set by libavcodec, user can override.
2126 074c4ca7 Roberto Togni
     */
2127 e1c2a5a0 Roberto Togni
    int (*reget_buffer)(struct AVCodecContext *c, AVFrame *pic);
2128 ba58dabc Michael Niedermayer
2129
    /**
2130 f5bccd85 Diego Biurrun
     * Number of bits which should be loaded into the rc buffer before decoding starts.
2131
     * - encoding: Set by user.
2132 ba58dabc Michael Niedermayer
     * - decoding: unused
2133
     */
2134
    int rc_initial_buffer_occupancy;
2135
2136
    /**
2137
     *
2138 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2139 ba58dabc Michael Niedermayer
     * - decoding: unused
2140
     */
2141
    int inter_threshold;
2142
2143
    /**
2144 f5bccd85 Diego Biurrun
     * CODEC_FLAG2_*
2145
     * - encoding: Set by user.
2146
     * - decoding: Set by user.
2147 ba58dabc Michael Niedermayer
     */
2148
    int flags2;
2149 7ebfc0ea Michael Niedermayer
2150
    /**
2151 f5bccd85 Diego Biurrun
     * Simulates errors in the bitstream to test error concealment.
2152
     * - encoding: Set by user.
2153
     * - decoding: unused
2154 7ebfc0ea Michael Niedermayer
     */
2155
    int error_rate;
2156 115329f1 Diego Biurrun
2157 a1e257b2 Michael Niedermayer
    /**
2158
     * MP3 antialias algorithm, see FF_AA_* below.
2159
     * - encoding: unused
2160 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2161 a1e257b2 Michael Niedermayer
     */
2162
    int antialias_algo;
2163
#define FF_AA_AUTO    0
2164
#define FF_AA_FASTINT 1 //not implemented yet
2165
#define FF_AA_INT     2
2166
#define FF_AA_FLOAT   3
2167 77ea0d4b Michael Niedermayer
    /**
2168 f5bccd85 Diego Biurrun
     * quantizer noise shaping
2169
     * - encoding: Set by user.
2170 77ea0d4b Michael Niedermayer
     * - decoding: unused
2171
     */
2172
    int quantizer_noise_shaping;
2173 9c3d33d6 Michael Niedermayer
2174
    /**
2175 f5bccd85 Diego Biurrun
     * thread count
2176 eafcac6a Diego Biurrun
     * is used to decide how many independent tasks should be passed to execute()
2177 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2178
     * - decoding: Set by user.
2179 9c3d33d6 Michael Niedermayer
     */
2180
    int thread_count;
2181 115329f1 Diego Biurrun
2182 9c3d33d6 Michael Niedermayer
    /**
2183 f5bccd85 Diego Biurrun
     * The codec may call this to execute several independent things.
2184
     * It will return only after finishing all tasks.
2185
     * The user may replace this with some multithreaded implementation,
2186
     * the default implementation will execute the parts serially.
2187 399cec2f Michael Niedermayer
     * @param count the number of things to execute
2188 f5bccd85 Diego Biurrun
     * - encoding: Set by libavcodec, user can override.
2189
     * - decoding: Set by libavcodec, user can override.
2190 9c3d33d6 Michael Niedermayer
     */
2191 3a84713a Roman Shaposhnik
    int (*execute)(struct AVCodecContext *c, int (*func)(struct AVCodecContext *c2, void *arg), void *arg2, int *ret, int count, int size);
2192 115329f1 Diego Biurrun
2193 9c3d33d6 Michael Niedermayer
    /**
2194 f5bccd85 Diego Biurrun
     * thread opaque
2195
     * Can be used by execute() to store some per AVCodecContext stuff.
2196 9c3d33d6 Michael Niedermayer
     * - encoding: set by execute()
2197
     * - decoding: set by execute()
2198
     */
2199
    void *thread_opaque;
2200 a4d36c11 Michael Niedermayer
2201
    /**
2202 f5bccd85 Diego Biurrun
     * Motion estimation threshold below which no motion estimation is
2203
     * performed, but instead the user specified motion vectors are used.
2204 115329f1 Diego Biurrun
     *
2205 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2206 f20f8a8b Michael Niedermayer
     * - decoding: unused
2207 a4d36c11 Michael Niedermayer
     */
2208 2750b827 Michael Niedermayer
     int me_threshold;
2209 f20f8a8b Michael Niedermayer
2210
    /**
2211 f5bccd85 Diego Biurrun
     * Macroblock threshold below which the user specified macroblock types will be used.
2212
     * - encoding: Set by user.
2213 f20f8a8b Michael Niedermayer
     * - decoding: unused
2214
     */
2215
     int mb_threshold;
2216 bf266e19 Michael Niedermayer
2217
    /**
2218 f5bccd85 Diego Biurrun
     * precision of the intra DC coefficient - 8
2219
     * - encoding: Set by user.
2220 bf266e19 Michael Niedermayer
     * - decoding: unused
2221
     */
2222
     int intra_dc_precision;
2223 d4c5d2ad Michael Niedermayer
2224
    /**
2225 f5bccd85 Diego Biurrun
     * noise vs. sse weight for the nsse comparsion function
2226
     * - encoding: Set by user.
2227 d4c5d2ad Michael Niedermayer
     * - decoding: unused
2228
     */
2229
     int nsse_weight;
2230 0dfd33c3 Michael Niedermayer
2231
    /**
2232 f5bccd85 Diego Biurrun
     * Number of macroblock rows at the top which are skipped.
2233 0dfd33c3 Michael Niedermayer
     * - encoding: unused
2234 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2235 0dfd33c3 Michael Niedermayer
     */
2236
     int skip_top;
2237
2238
    /**
2239 f5bccd85 Diego Biurrun
     * Number of macroblock rows at the bottom which are skipped.
2240 0dfd33c3 Michael Niedermayer
     * - encoding: unused
2241 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2242 0dfd33c3 Michael Niedermayer
     */
2243
     int skip_bottom;
2244 baced9f5 Michael Niedermayer
2245
    /**
2246
     * profile
2247 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2248
     * - decoding: Set by libavcodec.
2249 baced9f5 Michael Niedermayer
     */
2250
     int profile;
2251
#define FF_PROFILE_UNKNOWN -99
2252 dd0cd3d2 Rafaël Carré
2253 4f2c36ac Nicolas George
#define FF_PROFILE_AAC_MAIN 0
2254 273b0cd3 Diego Biurrun
#define FF_PROFILE_AAC_LOW  1
2255
#define FF_PROFILE_AAC_SSR  2
2256
#define FF_PROFILE_AAC_LTP  3
2257 baced9f5 Michael Niedermayer
2258 f5a2d285 Anssi Hannula
#define FF_PROFILE_DTS         20
2259
#define FF_PROFILE_DTS_ES      30
2260
#define FF_PROFILE_DTS_96_24   40
2261
#define FF_PROFILE_DTS_HD_HRA  50
2262
#define FF_PROFILE_DTS_HD_MA   60
2263
2264 fe9a3fbe Janne Grunau
#define FF_PROFILE_H264_CONSTRAINED  (1<<9)  // 8+1; constraint_set1_flag
2265
#define FF_PROFILE_H264_INTRA        (1<<11) // 8+3; constraint_set3_flag
2266
2267
#define FF_PROFILE_H264_BASELINE             66
2268
#define FF_PROFILE_H264_CONSTRAINED_BASELINE (66|FF_PROFILE_H264_CONSTRAINED)
2269
#define FF_PROFILE_H264_MAIN                 77
2270
#define FF_PROFILE_H264_EXTENDED             88
2271
#define FF_PROFILE_H264_HIGH                 100
2272
#define FF_PROFILE_H264_HIGH_10              110
2273
#define FF_PROFILE_H264_HIGH_10_INTRA        (110|FF_PROFILE_H264_INTRA)
2274
#define FF_PROFILE_H264_HIGH_422             122
2275
#define FF_PROFILE_H264_HIGH_422_INTRA       (122|FF_PROFILE_H264_INTRA)
2276
#define FF_PROFILE_H264_HIGH_444_PREDICTIVE  244
2277
#define FF_PROFILE_H264_HIGH_444_INTRA       (244|FF_PROFILE_H264_INTRA)
2278
#define FF_PROFILE_H264_CAVLC_444            44
2279 dd0cd3d2 Rafaël Carré
2280 baced9f5 Michael Niedermayer
    /**
2281
     * level
2282 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2283
     * - decoding: Set by libavcodec.
2284 baced9f5 Michael Niedermayer
     */
2285
     int level;
2286
#define FF_LEVEL_UNKNOWN -99
2287 178fcca8 Michael Niedermayer
2288
    /**
2289 f5bccd85 Diego Biurrun
     * low resolution decoding, 1-> 1/2 size, 2->1/4 size
2290 178fcca8 Michael Niedermayer
     * - encoding: unused
2291 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2292 178fcca8 Michael Niedermayer
     */
2293
     int lowres;
2294 21adafec Michael Niedermayer
2295
    /**
2296 f5bccd85 Diego Biurrun
     * Bitstream width / height, may be different from width/height if lowres
2297
     * or other things are used.
2298 21adafec Michael Niedermayer
     * - encoding: unused
2299 f5bccd85 Diego Biurrun
     * - decoding: Set by user before init if known. Codec should override / dynamically change if needed.
2300 21adafec Michael Niedermayer
     */
2301
    int coded_width, coded_height;
2302 bbf18b21 Michael Niedermayer
2303
    /**
2304
     * frame skip threshold
2305 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2306 bbf18b21 Michael Niedermayer
     * - decoding: unused
2307
     */
2308
    int frame_skip_threshold;
2309
2310
    /**
2311
     * frame skip factor
2312 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2313 bbf18b21 Michael Niedermayer
     * - decoding: unused
2314
     */
2315
    int frame_skip_factor;
2316 0fd6aea1 Michael Niedermayer
2317
    /**
2318
     * frame skip exponent
2319 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2320 0fd6aea1 Michael Niedermayer
     * - decoding: unused
2321
     */
2322
    int frame_skip_exp;
2323
2324
    /**
2325 f5bccd85 Diego Biurrun
     * frame skip comparison function
2326
     * - encoding: Set by user.
2327 0fd6aea1 Michael Niedermayer
     * - decoding: unused
2328
     */
2329
    int frame_skip_cmp;
2330 957c743a Christophe Massiot
2331
    /**
2332 f5bccd85 Diego Biurrun
     * Border processing masking, raises the quantizer for mbs on the borders
2333 957c743a Christophe Massiot
     * of the picture.
2334 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2335 957c743a Christophe Massiot
     * - decoding: unused
2336
     */
2337
    float border_masking;
2338 6e0d8c06 Michael Niedermayer
2339
    /**
2340 f5bccd85 Diego Biurrun
     * minimum MB lagrange multipler
2341
     * - encoding: Set by user.
2342 6e0d8c06 Michael Niedermayer
     * - decoding: unused
2343
     */
2344
    int mb_lmin;
2345
2346
    /**
2347 f5bccd85 Diego Biurrun
     * maximum MB lagrange multipler
2348
     * - encoding: Set by user.
2349 6e0d8c06 Michael Niedermayer
     * - decoding: unused
2350
     */
2351
    int mb_lmax;
2352 09c3e44e Michael Niedermayer
2353
    /**
2354 115329f1 Diego Biurrun
     *
2355 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2356 09c3e44e Michael Niedermayer
     * - decoding: unused
2357
     */
2358
    int me_penalty_compensation;
2359 8c3eba7c Michael Niedermayer
2360
    /**
2361 115329f1 Diego Biurrun
     *
2362 8c3eba7c Michael Niedermayer
     * - encoding: unused
2363 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2364 8c3eba7c Michael Niedermayer
     */
2365
    enum AVDiscard skip_loop_filter;
2366
2367
    /**
2368 115329f1 Diego Biurrun
     *
2369 8c3eba7c Michael Niedermayer
     * - encoding: unused
2370 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2371 8c3eba7c Michael Niedermayer
     */
2372
    enum AVDiscard skip_idct;
2373
2374
    /**
2375 115329f1 Diego Biurrun
     *
2376 8c3eba7c Michael Niedermayer
     * - encoding: unused
2377 f5bccd85 Diego Biurrun
     * - decoding: Set by user.
2378 8c3eba7c Michael Niedermayer
     */
2379
    enum AVDiscard skip_frame;
2380 316a2ec8 Michael Niedermayer
2381
    /**
2382
     *
2383 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2384 316a2ec8 Michael Niedermayer
     * - decoding: unused
2385
     */
2386
    int bidir_refine;
2387 e8501c93 Michael Niedermayer
2388
    /**
2389
     *
2390 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2391 e8501c93 Michael Niedermayer
     * - decoding: unused
2392
     */
2393
    int brd_scale;
2394 58f7833e Robert Swain
2395
    /**
2396
     * constant rate factor - quality-based VBR - values ~correspond to qps
2397 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2398 58f7833e Robert Swain
     * - decoding: unused
2399
     */
2400 9f1c1c99 Luca Barbato
    float crf;
2401 58f7833e Robert Swain
2402
    /**
2403
     * constant quantization parameter rate control method
2404 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2405 58f7833e Robert Swain
     * - decoding: unused
2406
     */
2407
    int cqp;
2408
2409
    /**
2410 f5bccd85 Diego Biurrun
     * minimum GOP size
2411
     * - encoding: Set by user.
2412 58f7833e Robert Swain
     * - decoding: unused
2413
     */
2414
    int keyint_min;
2415
2416
    /**
2417
     * number of reference frames
2418 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2419 53d55e9e Michael Niedermayer
     * - decoding: Set by lavc.
2420 58f7833e Robert Swain
     */
2421
    int refs;
2422
2423
    /**
2424
     * chroma qp offset from luma
2425 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2426 58f7833e Robert Swain
     * - decoding: unused
2427
     */
2428
    int chromaoffset;
2429
2430
    /**
2431 f5bccd85 Diego Biurrun
     * Influences how often B-frames are used.
2432
     * - encoding: Set by user.
2433 58f7833e Robert Swain
     * - decoding: unused
2434
     */
2435
    int bframebias;
2436
2437
    /**
2438
     * trellis RD quantization
2439 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2440 58f7833e Robert Swain
     * - decoding: unused
2441
     */
2442
    int trellis;
2443
2444
    /**
2445 f5bccd85 Diego Biurrun
     * Reduce fluctuations in qp (before curve compression).
2446
     * - encoding: Set by user.
2447 58f7833e Robert Swain
     * - decoding: unused
2448
     */
2449
    float complexityblur;
2450
2451
    /**
2452
     * in-loop deblocking filter alphac0 parameter
2453
     * alpha is in the range -6...6
2454 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2455 58f7833e Robert Swain
     * - decoding: unused
2456
     */
2457
    int deblockalpha;
2458
2459
    /**
2460
     * in-loop deblocking filter beta parameter
2461
     * beta is in the range -6...6
2462 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2463 58f7833e Robert Swain
     * - decoding: unused
2464
     */
2465
    int deblockbeta;
2466
2467
    /**
2468
     * macroblock subpartition sizes to consider - p8x8, p4x4, b8x8, i8x8, i4x4
2469 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2470 58f7833e Robert Swain
     * - decoding: unused
2471
     */
2472
    int partitions;
2473 56cc85a0 Diego Biurrun
#define X264_PART_I4X4 0x001  /* Analyze i4x4 */
2474
#define X264_PART_I8X8 0x002  /* Analyze i8x8 (requires 8x8 transform) */
2475
#define X264_PART_P8X8 0x010  /* Analyze p16x8, p8x16 and p8x8 */
2476
#define X264_PART_P4X4 0x020  /* Analyze p8x4, p4x8, p4x4 */
2477
#define X264_PART_B8X8 0x100  /* Analyze b16x8, b8x16 and b8x8 */
2478 58f7833e Robert Swain
2479
    /**
2480 30ab4ded Francesco Cosoleto
     * direct MV prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)
2481 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2482 58f7833e Robert Swain
     * - decoding: unused
2483
     */
2484
    int directpred;
2485 4f59b684 Diego Biurrun
2486 14f0c8e2 Luca Abeni
    /**
2487 02c164c1 Justin Ruggles
     * Audio cutoff bandwidth (0 means "automatic")
2488 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2489 14f0c8e2 Luca Abeni
     * - decoding: unused
2490
     */
2491
    int cutoff;
2492 39a64e30 Corey Hickey
2493
    /**
2494 f5bccd85 Diego Biurrun
     * Multiplied by qscale for each frame and added to scene_change_score.
2495
     * - encoding: Set by user.
2496 39a64e30 Corey Hickey
     * - decoding: unused
2497
     */
2498
    int scenechange_factor;
2499 1dd509b1 Michael Niedermayer
2500
    /**
2501
     *
2502 f5bccd85 Diego Biurrun
     * Note: Value depends upon the compare function used for fullpel ME.
2503
     * - encoding: Set by user.
2504 1dd509b1 Michael Niedermayer
     * - decoding: unused
2505
     */
2506
    int mv0_threshold;
2507 f9243d34 Corey Hickey
2508
    /**
2509 f5bccd85 Diego Biurrun
     * Adjusts sensitivity of b_frame_strategy 1.
2510
     * - encoding: Set by user.
2511 f9243d34 Corey Hickey
     * - decoding: unused
2512
     */
2513
    int b_sensitivity;
2514 a403fc03 Justin Ruggles
2515
    /**
2516 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2517 a403fc03 Justin Ruggles
     * - decoding: unused
2518
     */
2519
    int compression_level;
2520
#define FF_COMPRESSION_DEFAULT -1
2521
2522 0743de4f Aurelien Jacobs
#if FF_API_USE_LPC
2523 a403fc03 Justin Ruggles
    /**
2524 f5bccd85 Diego Biurrun
     * Sets whether to use LPC mode - used by FLAC encoder.
2525
     * - encoding: Set by user.
2526
     * - decoding: unused
2527 23940f14 Justin Ruggles
     * @deprecated Deprecated in favor of lpc_type and lpc_passes.
2528 a403fc03 Justin Ruggles
     */
2529
    int use_lpc;
2530 23940f14 Justin Ruggles
#endif
2531 a403fc03 Justin Ruggles
2532
    /**
2533
     * LPC coefficient precision - used by FLAC encoder
2534 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2535
     * - decoding: unused
2536 a403fc03 Justin Ruggles
     */
2537
    int lpc_coeff_precision;
2538
2539
    /**
2540 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2541
     * - decoding: unused
2542 a403fc03 Justin Ruggles
     */
2543
    int min_prediction_order;
2544
2545
    /**
2546 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2547
     * - decoding: unused
2548 a403fc03 Justin Ruggles
     */
2549
    int max_prediction_order;
2550
2551
    /**
2552
     * search method for selecting prediction order
2553 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2554
     * - decoding: unused
2555 a403fc03 Justin Ruggles
     */
2556
    int prediction_order_method;
2557
2558
    /**
2559 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2560
     * - decoding: unused
2561 a403fc03 Justin Ruggles
     */
2562
    int min_partition_order;
2563
2564
    /**
2565 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2566
     * - decoding: unused
2567 a403fc03 Justin Ruggles
     */
2568
    int max_partition_order;
2569 80d617f5 Baptiste Coudurier
2570
    /**
2571
     * GOP timecode frame start number, in non drop frame format
2572 f5bccd85 Diego Biurrun
     * - encoding: Set by user.
2573
     * - decoding: unused
2574 80d617f5 Baptiste Coudurier
     */
2575
    int64_t timecode_frame_start;
2576 b1ec601f Reimar Döffinger
2577 0d72e7d0 Peter Ross
#if LIBAVCODEC_VERSION_MAJOR < 53
2578 b1ec601f Reimar Döffinger
    /**
2579 85947156 Vitor Sessak
     * Decoder should decode to this many channels if it can (0 for default)
2580
     * - encoding: unused
2581
     * - decoding: Set by user.
2582 0d72e7d0 Peter Ross
     * @deprecated Deprecated in favor of request_channel_layout.
2583 b1ec601f Reimar Döffinger
     */
2584
    int request_channels;
2585 0d72e7d0 Peter Ross
#endif
2586 1408352a Justin Ruggles
2587
    /**
2588
     * Percentage of dynamic range compression to be applied by the decoder.
2589
     * The default value is 1.0, corresponding to full compression.
2590
     * - encoding: unused
2591
     * - decoding: Set by user.
2592
     */
2593
    float drc_scale;
2594 79de84f2 Michael Niedermayer
2595
    /**
2596
     * opaque 64bit number (generally a PTS) that will be reordered and
2597
     * output in AVFrame.reordered_opaque
2598 81c623fa Michael Niedermayer
     * @deprecated in favor of pkt_pts
2599 79de84f2 Michael Niedermayer
     * - encoding: unused
2600
     * - decoding: Set by user.
2601
     */
2602
    int64_t reordered_opaque;
2603