Add Alpha assembly for pix_abs16x16. Optimized for pca56, no large win
[libav.git] / libavcodec / avcodec.h
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1#ifndef AVCODEC_H
2#define AVCODEC_H
3
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4#include "common.h"
5
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6#define LIBAVCODEC_VERSION_INT 0x000406
7#define LIBAVCODEC_VERSION "0.4.6"
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8#define LIBAVCODEC_BUILD 4628
9#define LIBAVCODEC_BUILD_STR "4628"
4b1f4f23 10
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11enum CodecID {
12 CODEC_ID_NONE,
13 CODEC_ID_MPEG1VIDEO,
14 CODEC_ID_H263,
15 CODEC_ID_RV10,
16 CODEC_ID_MP2,
9d36bdc9 17 CODEC_ID_MP3LAME,
81e0d0b4 18 CODEC_ID_VORBIS,
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19 CODEC_ID_AC3,
20 CODEC_ID_MJPEG,
bf89e6b1 21 CODEC_ID_MPEG4,
de6d9b64 22 CODEC_ID_RAWVIDEO,
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23 CODEC_ID_MSMPEG4V1,
24 CODEC_ID_MSMPEG4V2,
25 CODEC_ID_MSMPEG4V3,
e1a9dbff 26 CODEC_ID_WMV1,
b50eef3a 27 CODEC_ID_WMV2,
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28 CODEC_ID_H263P,
29 CODEC_ID_H263I,
be8ffec9 30 CODEC_ID_SVQ1,
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31
32 /* various pcm "codecs" */
33 CODEC_ID_PCM_S16LE,
34 CODEC_ID_PCM_S16BE,
35 CODEC_ID_PCM_U16LE,
36 CODEC_ID_PCM_U16BE,
37 CODEC_ID_PCM_S8,
38 CODEC_ID_PCM_U8,
39 CODEC_ID_PCM_MULAW,
40 CODEC_ID_PCM_ALAW,
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41
42 /* various adpcm codecs */
43 CODEC_ID_ADPCM_IMA_QT,
44 CODEC_ID_ADPCM_IMA_WAV,
45 CODEC_ID_ADPCM_MS,
de6d9b64 46};
84afee34 47#define CODEC_ID_MSMPEG4 CODEC_ID_MSMPEG4V3
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48
49enum CodecType {
4a663d80 50 CODEC_TYPE_UNKNOWN = -1,
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51 CODEC_TYPE_VIDEO,
52 CODEC_TYPE_AUDIO,
53};
54
55enum PixelFormat {
9f862d11 56 PIX_FMT_ANY = -1,
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57 PIX_FMT_YUV420P,
58 PIX_FMT_YUV422,
59 PIX_FMT_RGB24,
60 PIX_FMT_BGR24,
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61 PIX_FMT_YUV422P,
62 PIX_FMT_YUV444P,
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63 PIX_FMT_RGBA32,
64 PIX_FMT_BGRA32,
be8ffec9 65 PIX_FMT_YUV410P
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66};
67
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68/* currently unused, may be used if 24/32 bits samples ever supported */
69enum SampleFormat {
70 SAMPLE_FMT_S16 = 0, /* signed 16 bits */
71};
72
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73/* in bytes */
74#define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
75
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76/* motion estimation type, EPZS by default */
77enum Motion_Est_ID {
101bea5f 78 ME_ZERO = 1,
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79 ME_FULL,
80 ME_LOG,
81 ME_PHODS,
82 ME_EPZS,
83 ME_X1
84};
85
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86typedef struct RcOverride{
87 int start_frame;
88 int end_frame;
89 int qscale; // if this is 0 then quality_factor will be used instead
90 float quality_factor;
91} RcOverride;
92
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93/* only for ME compatiblity with old apps */
94extern int motion_estimation_method;
95
e4986da9 96/* ME algos sorted by quality */
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97static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
98 ME_X1, ME_EPZS, ME_FULL };
de6d9b64 99
28db7fce 100
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101#define FF_MAX_B_FRAMES 4
102
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103/* encoding support
104 these flags can be passed in AVCodecContext.flags before initing
105 Note: note not everything is supported yet
106*/
de6d9b64 107
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108#define CODEC_FLAG_HQ 0x0001 /* brute force MB-type decission mode (slow) */
109#define CODEC_FLAG_QSCALE 0x0002 /* use fixed qscale */
110#define CODEC_FLAG_4MV 0x0004 /* 4 MV per MB allowed */
111#define CODEC_FLAG_QPEL 0x0010 /* use qpel MC */
112#define CODEC_FLAG_GMC 0x0020 /* use GMC */
113#define CODEC_FLAG_TYPE 0x0040 /* fixed I/P frame type, from avctx->key_frame */
114#define CODEC_FLAG_PART 0x0080 /* use data partitioning */
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115/* parent program gurantees that the input for b-frame containing streams is not written to
116 for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */
8b4c7dbc 117#define CODEC_FLAG_INPUT_PRESERVED 0x0100
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118#define CODEC_FLAG_PASS1 0x0200 /* use internal 2pass ratecontrol in first pass mode */
119#define CODEC_FLAG_PASS2 0x0400 /* use internal 2pass ratecontrol in second pass mode */
e84c31dc 120#define CODEC_FLAG_EXTERN_HUFF 0x1000 /* use external huffman table (for mjpeg) */
b71901e6 121#define CODEC_FLAG_GRAY 0x2000 /* only decode/encode grayscale */
93a21abd 122#define CODEC_FLAG_EMU_EDGE 0x4000/* dont draw edges */
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123#define CODEC_FLAG_DR1 0x8000 /* direct renderig type 1 (store internal frames in external buffers) */
124#define CODEC_FLAG_NOT_TRUNCATED 0x00010000 /* input bitstream is not truncated, except before a startcode
125 allows the last part of a frame to be decoded earlier */
c5d309f2 126#define CODEC_FLAG_NORMALIZE_AQP 0x00020000 /* normalize adaptive quantization */
fcb48651 127#define CODEC_FLAG_INTERLACED_DCT 0x00040000 /* use interlaced dct */
c5d309f2 128
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129/* codec capabilities */
130
b71901e6 131#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 /* decoder can use draw_horiz_band callback */
93a21abd 132#define CODEC_CAP_DR1 0x0002 /* direct rendering method 1 */
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133/* if 'parse_only' field is true, then avcodec_parse_frame() can be
134 used */
135#define CODEC_CAP_PARSE_ONLY 0x0004
bf89e6b1 136
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137#define FRAME_RATE_BASE 10000
138
139typedef struct AVCodecContext {
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140 /**
141 * the average bitrate
142 * encoding: set by user. unused for constant quantizer encoding
143 * decoding: set by lavc. 0 or some bitrate if this info is available in the stream
144 */
de6d9b64 145 int bit_rate;
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146
147 /**
148 * number of bits the bitstream is allowed to diverge from the reference
149 * the reference can be CBR (for CBR pass1) or VBR (for pass2)
150 * encoding: set by user. unused for constant quantizer encoding
151 * decoding: unused
152 */
153 int bit_rate_tolerance;
154
155 /**
156 * CODEC_FLAG_*
157 * encoding: set by user.
158 * decoding: set by user.
159 */
de6d9b64 160 int flags;
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161
162 /**
163 * some codecs needs additionnal format info. It is stored here
164 * encoding: set by user.
165 * decoding: set by lavc. (FIXME is this ok?)
166 */
167 int sub_id;
168
169 /**
170 * motion estimation algorithm used for video coding
171 * encoding: set by user.
172 * decoding: unused
173 */
174 int me_method;
175
176 /**
177 * some codecs need / can use extra-data like huffman tables
178 * mjpeg: huffman tables
179 * rv10: additional flags
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180 * encoding: set/allocated/freed by lavc.
181 * decoding: set/allocated/freed by user.
b71901e6 182 */
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183 void *extradata;
184 int extradata_size;
185
de6d9b64 186 /* video only */
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187 /**
188 * frames per sec multiplied by FRAME_RATE_BASE
189 * for variable fps this is the precission, so if the timestamps
190 * can be specified in msec precssion then this is 1000*FRAME_RATE_BASE
191 * encoding: set by user
192 * decoding: set by lavc. 0 or the frame_rate if available
193 */
194 int frame_rate;
195
196 /**
197 * encoding: set by user.
198 * decoding: set by user, some codecs might override / change it during playback
199 */
de6d9b64 200 int width, height;
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201
202 /**
203 * encoding: set by user. 0 if not known
204 * decoding: set by lavc. 0 if not known
205 */
11ce8834 206 int aspect_ratio_info;
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207#define FF_ASPECT_SQUARE 1
208#define FF_ASPECT_4_3_625 2
209#define FF_ASPECT_4_3_525 3
210#define FF_ASPECT_16_9_625 4
211#define FF_ASPECT_16_9_525 5
e769f053 212#define FF_ASPECT_EXTENDED 15
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213
214 /**
215 * the number of pictures in a group of pitures, or 0 for intra_only
216 * encoding: set by user.
217 * decoding: unused
218 */
219 int gop_size;
220
221 /**
222 * pixel format, see PIX_FMT_xxx
223 * encoding: unused
224 * decoding: set by lavc.
225 */
226 enum PixelFormat pix_fmt;
227
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228 int repeat_pict; /* when decoding, this signal how much the picture */
229 /* must be delayed. */
230 /* extra_delay = (repeat_pict / 2) * (1/fps) */
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231
232 /**
233 * if non NULL, 'draw_horiz_band' is called by the libavcodec
234 * decoder to draw an horizontal band. It improve cache usage. Not
235 * all codecs can do that. You must check the codec capabilities
236 * before
237 * encoding: unused
238 * decoding: set by user.
239 */
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240 void (*draw_horiz_band)(struct AVCodecContext *s,
241 UINT8 **src_ptr, int linesize,
242 int y, int width, int height);
243
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244 /* audio only */
245 int sample_rate; /* samples per sec */
246 int channels;
a96b68b7 247 int sample_fmt; /* sample format, currenly unused */
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248
249 /* the following data should not be initialized */
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250 int frame_size; /* in samples, initialized when calling 'init' */
251 int frame_number; /* audio or video frame number */
252 int real_pict_num; /* returns the real picture number of
253 previous encoded frame */
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254
255 /**
256 * 1 -> keyframe, 0-> not
257 * encoding: set by lavc (for the outputed bitstream, not the input frame)
258 * decoding: set by lavc (for the decoded bitstream, not the displayed frame)
259 */
260 int key_frame;
261
262 /**
263 * picture type of the previous en/decoded frame, see ?_TYPE below
264 * encoding: set by lavc (for the outputed bitstream, not the input frame)
265 * decoding: set by lavc (for the decoded bitstream, not the displayed frame)
266 */
267 int pict_type;
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268/* FIXME: these should have FF_ */
269#define I_TYPE 1 // Intra
270#define P_TYPE 2 // Predicted
271#define B_TYPE 3 // Bi-dir predicted
272#define S_TYPE 4 // S(GMC)-VOP MPEG4
273
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274 /**
275 * number of frames the decoded output will be delayed relative to
276 * the encoded input
277 * encoding: set by lavc.
278 * decoding: unused
279 */
280 int delay;
281
282 /**
283 * mbskip_table[mb]=1 if MB didnt change, is only valid for I/P frames
284 * stride= mb_width = (width+15)>>4 (FIXME export stride?)
285 * encoding: unused
286 * decoding: set by lavc
287 */
288 uint8_t *mbskip_table;
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289
290 /* encoding parameters */
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291 /**
292 * quality (between 1 (good) and 31 (bad))
293 * encoding: set by user if CODEC_FLAG_QSCALE is set otherwise set by lavc
294 * decoding: set by lavc
295 */
de6d9b64 296 int quality; /* quality of the previous encoded frame
c5d309f2 297
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298 this is allso used to set the quality in vbr mode
299 and the per frame quality in CODEC_FLAG_TYPE (second pass mode) */
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300 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0)*/
301 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
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302
303 /**
304 * minimum quantizer
305 * encoding: set by user.
306 * decoding: unused
307 */
308 int qmin;
309
310 /**
311 * maximum quantizer
312 * encoding: set by user.
313 * decoding: unused
314 */
315 int qmax;
316
317 /**
318 * maximum quantizer difference etween frames
319 * encoding: set by user.
320 * decoding: unused
321 */
322 int max_qdiff;
323
324 /**
325 * maximum number of b frames between non b frames
326 * note: the output will be delayed by max_b_frames+1 relative to the input
327 * encoding: set by user.
328 * decoding: unused
329 */
330 int max_b_frames;
331
332 /**
333 * qscale factor between ip and b frames
334 * encoding: set by user.
335 * decoding: unused
336 */
337 float b_quant_factor;
338
339 /** obsolete FIXME remove */
340 int rc_strategy;
8b4c7dbc 341 int b_frame_strategy;
9dbcbd92 342
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343 /**
344 * encoding: unused
345 * decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too
346 */
347 int hurry_up;
2417652e 348
de6d9b64 349 struct AVCodec *codec;
b71901e6 350
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351 void *priv_data;
352
644d98a4 353 /* The following data is for RTP friendly coding */
1f6b6e50 354 /* By now only H.263/H.263+/MPEG4 coder honours this */
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355 int rtp_mode; /* 1 for activate RTP friendly-mode */
356 /* highers numbers represent more error-prone */
357 /* enviroments, by now just "1" exist */
358
359 int rtp_payload_size; /* The size of the RTP payload, the coder will */
360 /* do it's best to deliver a chunk with size */
361 /* below rtp_payload_size, the chunk will start */
362 /* with a start code on some codecs like H.263 */
363 /* This doesn't take account of any particular */
364 /* headers inside the transmited RTP payload */
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365
366
367 /* The RTP callcack: This function is called */
368 /* every time the encoder as a packet to send */
369 /* Depends on the encoder if the data starts */
370 /* with a Start Code (it should) H.263 does */
371 void (*rtp_callback)(void *data, int size, int packet_number);
372
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373 /**
374 * if you set get_psnr to 1 then after encoding you will have the
375 * PSNR on psnr_y/cb/cr
376 * encoding: set by user (1-> on, 0-> off)
377 * decoding: unused
378 */
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379 int get_psnr;
380 float psnr_y;
381 float psnr_cb;
382 float psnr_cr;
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383
384 /* statistics, used for 2-pass encoding */
385 int mv_bits;
386 int header_bits;
387 int i_tex_bits;
388 int p_tex_bits;
389 int i_count;
390 int p_count;
391 int skip_count;
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392 int misc_bits;
393
394 /**
395 * number of bits used for the previously encoded frame
396 * encoding: set by lavc
397 * decoding: unused
398 */
098eefe1 399 int frame_bits;
644d98a4 400
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401 /**
402 * private data of the user, can be used to carry app specific stuff
403 * encoding: set by user
404 * decoding: set by user
405 */
406 void *opaque;
407
de6d9b64 408 char codec_name[32];
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409 enum CodecType codec_type; /* see CODEC_TYPE_xxx */
410 enum CodecID codec_id; /* see CODEC_ID_xxx */
de6d9b64 411 unsigned int codec_tag; /* codec tag, only used if unknown codec */
92ba5ffb 412
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413 /**
414 * workaround bugs in encoders which cannot be detected automatically
415 * encoding: unused
416 * decoding: set by user
417 */
418 int workaround_bugs;
419
420 /**
421 * encoding: set by user
422 * decoding: unused
423 */
1f6b6e50 424 int luma_elim_threshold;
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425
426 /**
427 * encoding: set by user
428 * decoding: unused
429 */
1f6b6e50 430 int chroma_elim_threshold;
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431
432 /**
433 * strictly follow the std (MPEG4, ...)
434 * encoding: set by user
435 * decoding: unused
436 */
437 int strict_std_compliance;
438
439 /**
440 * qscale offset between ip and b frames
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441 * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
442 * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
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443 * encoding: set by user.
444 * decoding: unused
445 */
446 float b_quant_offset;
447
448 /**
449 * error resilience {-1,0,1} higher values will detect more errors but may missdetect
450 * some more or less valid parts as errors
451 * encoding: unused
452 * decoding: set by user
453 */
1f6b6e50 454 int error_resilience;
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455
456#ifndef MBC
457#define MBC 128
458#define MBR 96
459#endif
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460#define QP_TYPE int //FIXME note xxx this might be changed to int8_t
461
462 QP_TYPE *quant_store; /* field for communicating with external postprocessing */
93a21abd 463
917e06c8 464 unsigned qstride;
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465
466 /**
467 * buffer, where the next picture should be decoded into
468 * encoding: unused
469 * decoding: set by user in get_buffer_callback to a buffer into which the next part
470 * of the bitstream will be decoded, and set by lavc at end of frame to the
471 * next frame which needs to be displayed
472 */
93a21abd 473 uint8_t *dr_buffer[3];
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474
475 /**
476 * stride of the luminance part of the dr buffer
477 * encoding: unused
478 * decoding: set by user
479 */
93a21abd 480 int dr_stride;
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481
482 /**
483 * same behavior as dr_buffer, just for some private data of the user
484 * encoding: unused
485 * decoding: set by user in get_buffer_callback, and set by lavc at end of frame
486 */
93a21abd 487 void *dr_opaque_frame;
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488
489 /**
490 * called at the beginning of each frame to get a buffer for it
491 * encoding: unused
492 * decoding: set by user
493 */
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494 void (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
495
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496 /**
497 * is 1 if the decoded stream contains b frames, 0 otherwise
498 * encoding: unused
499 * decoding: set by lavc
500 */
501 int has_b_frames;
502
503 /**
504 * stride of the chrominance part of the dr buffer
505 * encoding: unused
506 * decoding: set by user
507 */
0fd90455 508 int dr_uvstride;
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509
510 /**
511 * number of dr buffers
512 * encoding: unused
513 * decoding: set by user
514 */
0fd90455 515 int dr_ip_buffer_count;
b71901e6 516
0147f198 517 int block_align; /* currently only for adpcm codec in wav/avi */
ce980a95 518
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519 int parse_only; /* decoding only: if true, only parsing is done
520 (function avcodec_parse_frame()). The frame
521 data is returned. Only MPEG codecs support this now. */
ce980a95 522
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523 /**
524 * 0-> h263 quant 1-> mpeg quant
525 * encoding: set by user.
526 * decoding: unused
527 */
528 int mpeg_quant;
ce980a95 529
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530 /**
531 * pass1 encoding statistics output buffer
532 * encoding: set by lavc
533 * decoding: unused
534 */
ce980a95 535 char *stats_out; /* encoding statistics output buffer */
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536
537 /**
538 * pass2 encoding statistics input buffer.
539 * concatenated stuff from stats_out of pass1 should be placed here
540 * encoding: allocated/set/freed by user
541 * decoding: unused
542 */
543 char *stats_in;
544
545 /**
546 * ratecontrol qmin qmax limiting method
547 * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax
548 * encoding: set by user.
549 * decoding: unused
550 */
ce980a95 551 float rc_qsquish;
b71901e6 552
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553 float rc_qmod_amp;
554 int rc_qmod_freq;
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555
556 /**
557 * ratecontrol override, see RcOverride
558 * encoding: allocated/set/freed by user.
559 * decoding: unused
560 */
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561 RcOverride *rc_override;
562 int rc_override_count;
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563
564 /**
565 * rate control equation
566 * encoding: set by user
567 * decoding: unused
568 */
ce980a95 569 char *rc_eq;
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570
571 /**
572 * maximum bitrate
573 * encoding: set by user.
574 * decoding: unused
575 */
ce980a95 576 int rc_max_rate;
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577
578 /**
579 * minimum bitrate
580 * encoding: set by user.
581 * decoding: unused
582 */
ce980a95 583 int rc_min_rate;
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584
585 /**
586 * decoder bitstream buffer size
587 * encoding: set by user.
588 * decoding: unused
589 */
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590 int rc_buffer_size;
591 float rc_buffer_aggressivity;
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592
593 /**
594 * qscale factor between p and i frames
595 * encoding: set by user.
596 * decoding: unused
597 */
598 float i_quant_factor;
599
600 /**
601 * qscale offset between p and i frames
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602 * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
603 * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
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604 * encoding: set by user.
605 * decoding: unused
606 */
607 float i_quant_offset;
608
609 /**
610 * initial complexity for pass1 ratecontrol
611 * encoding: set by user.
612 * decoding: unused
613 */
ce980a95 614 float rc_initial_cplx;
917e06c8 615
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616 /**
617 * custom aspect ratio, used if aspect_info==FF_ASPECT_EXTENDED
618 * encoding: set by user.
619 * decoding: set by lavc.
620 */
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621 int aspected_width;
622 int aspected_height;
623
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624 /**
625 * dct algorithm, see FF_DCT_* below
626 * encoding: set by user
627 * decoding: unused
628 */
28db7fce 629 int dct_algo;
c7e07931 630#define FF_DCT_AUTO 0
28db7fce 631#define FF_DCT_FASTINT 1
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632#define FF_DCT_INT 2
633#define FF_DCT_MMX 3
634#define FF_DCT_MLIB 4
28db7fce 635
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636 /**
637 * presentation timestamp in micro seconds (time when frame should be shown to user)
638 * if 0 then the frame_rate will be used as reference
639 * encoding: set by user
640 * decoding; set by lavc
641 */
642 long long int pts;
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643
644 /**
645 * luminance masking (0-> disabled)
646 * encoding: set by user
647 * decoding: unused
648 */
649 float lumi_masking;
650
651 /**
652 * temporary complexity masking (0-> disabled)
653 * encoding: set by user
654 * decoding: unused
655 */
656 float temporal_cplx_masking;
657
658 /**
659 * spatial complexity masking (0-> disabled)
660 * encoding: set by user
661 * decoding: unused
662 */
663 float spatial_cplx_masking;
664
665 /**
666 * p block masking (0-> disabled)
667 * encoding: set by user
668 * decoding: unused
669 */
670 float p_masking;
15415af4 671
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672 /**
673 * darkness masking (0-> disabled)
674 * encoding: set by user
675 * decoding: unused
676 */
677 float dark_masking;
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678
679 /**
680 * fourcc (LSB first, so "ABCD" -> ('D'<<24) + ('C'<<16) + ('B'<<8) + 'A')
681 * this is used to workaround some encoder bugs
682 * encoding: unused
202ef8b8 683 * decoding: set by user, will be converted to upper case by lavc during init
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684 */
685 int fourcc;
5e746b99 686
1f6b6e50 687 //FIXME this should be reordered after kabis API is finished ...
ce980a95 688 //TODO kill kabi
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689 /*
690 Note: Below are located reserved fields for further usage
691 It requires for ABI !!!
692 If you'll perform some changes then borrow new space from these fields
693 (void * can be safety replaced with struct * ;)
694 P L E A S E ! ! !
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695 Note: use avcodec_alloc_context instead of malloc to allocate this,
696 otherwise the ABI compatibility will be broken between versions
697 IMPORTANT: Never change order of already declared fields!!!
698 */
699 //TODO: remove mess below
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700 unsigned long long int
701 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
15415af4 702 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11;
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703 float
704 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
ce980a95 705 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
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706 void
707 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
ce980a95 708 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
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709 unsigned long int
710 ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
711 ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
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712 unsigned short int
713 us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
714 us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;
715 unsigned char
716 uc_res0,uc_res1,uc_res2,uc_res3,uc_res4,uc_res5,
0fd90455 717 uc_res6,uc_res7,uc_res8,uc_res9,uc_res10,uc_res11,uc_res12;
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718 unsigned int
719 ui_res0,ui_res1,ui_res2,ui_res3,ui_res4,ui_res5,ui_res6,ui_res7,ui_res8,ui_res9,
28db7fce 720 ui_res10,ui_res11,ui_res12,ui_res13,ui_res14,ui_res15,ui_res16;
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721} AVCodecContext;
722
723typedef struct AVCodec {
724 char *name;
725 int type;
726 int id;
727 int priv_data_size;
728 int (*init)(AVCodecContext *);
729 int (*encode)(AVCodecContext *, UINT8 *buf, int buf_size, void *data);
730 int (*close)(AVCodecContext *);
0fd90455 731 int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
de6d9b64 732 UINT8 *buf, int buf_size);
bf89e6b1 733 int capabilities;
de6d9b64 734 struct AVCodec *next;
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735 /*
736 Note: Below are located reserved fields for further usage
737 It requires for ABI !!!
738 If you'll perform some changes then borrow new space from these fields
739 (void * can be safety replaced with struct * ;)
740 P L E A S E ! ! !
741 IMPORTANT: Never change order of already declared fields!!!
742 */
743 unsigned long long int
744 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
745 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
746 float
747 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
748 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
749 void
750 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
751 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
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752} AVCodec;
753
754/* three components are given, that's all */
755typedef struct AVPicture {
756 UINT8 *data[3];
757 int linesize[3];
758} AVPicture;
759
760extern AVCodec ac3_encoder;
761extern AVCodec mp2_encoder;
9d36bdc9 762extern AVCodec mp3lame_encoder;
81e0d0b4 763extern AVCodec oggvorbis_encoder;
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764extern AVCodec mpeg1video_encoder;
765extern AVCodec h263_encoder;
766extern AVCodec h263p_encoder;
767extern AVCodec rv10_encoder;
768extern AVCodec mjpeg_encoder;
bf89e6b1 769extern AVCodec mpeg4_encoder;
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770extern AVCodec msmpeg4v1_encoder;
771extern AVCodec msmpeg4v2_encoder;
772extern AVCodec msmpeg4v3_encoder;
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773extern AVCodec wmv1_encoder;
774extern AVCodec wmv2_encoder;
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775
776extern AVCodec h263_decoder;
bf89e6b1 777extern AVCodec mpeg4_decoder;
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778extern AVCodec msmpeg4v1_decoder;
779extern AVCodec msmpeg4v2_decoder;
780extern AVCodec msmpeg4v3_decoder;
e1a9dbff 781extern AVCodec wmv1_decoder;
0151a6f5 782extern AVCodec wmv2_decoder;
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783extern AVCodec mpeg_decoder;
784extern AVCodec h263i_decoder;
785extern AVCodec rv10_decoder;
be8ffec9 786extern AVCodec svq1_decoder;
4e66ab3b 787extern AVCodec mjpeg_decoder;
4b1f4f23 788extern AVCodec mp2_decoder;
a96b68b7 789extern AVCodec mp3_decoder;
de6d9b64 790
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791/* pcm codecs */
792#define PCM_CODEC(id, name) \
793extern AVCodec name ## _decoder; \
794extern AVCodec name ## _encoder;
795
796PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
797PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
798PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
799PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
800PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
801PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
802PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
803PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
804
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805/* adpcm codecs */
806
807PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
808PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
809PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
810
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811#undef PCM_CODEC
812
813/* dummy raw video codec */
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814extern AVCodec rawvideo_codec;
815
816/* the following codecs use external GPL libs */
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817extern AVCodec ac3_decoder;
818
819/* resample.c */
820
821struct ReSampleContext;
822
823typedef struct ReSampleContext ReSampleContext;
824
825ReSampleContext *audio_resample_init(int output_channels, int input_channels,
826 int output_rate, int input_rate);
827int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
828void audio_resample_close(ReSampleContext *s);
829
830/* YUV420 format is assumed ! */
831
832struct ImgReSampleContext;
833
834typedef struct ImgReSampleContext ImgReSampleContext;
835
836ImgReSampleContext *img_resample_init(int output_width, int output_height,
837 int input_width, int input_height);
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838
839ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
840 int iwidth, int iheight,
841 int topBand, int bottomBand,
842 int leftBand, int rightBand);
843
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844void img_resample(ImgReSampleContext *s,
845 AVPicture *output, AVPicture *input);
846
847void img_resample_close(ImgReSampleContext *s);
848
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849void avpicture_fill(AVPicture *picture, UINT8 *ptr,
850 int pix_fmt, int width, int height);
851int avpicture_get_size(int pix_fmt, int width, int height);
852
853/* convert among pixel formats */
854int img_convert(AVPicture *dst, int dst_pix_fmt,
855 AVPicture *src, int pix_fmt,
856 int width, int height);
857
858/* deinterlace a picture */
859int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
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860 int pix_fmt, int width, int height);
861
862/* external high level API */
863
864extern AVCodec *first_avcodec;
865
156e5023 866/* returns LIBAVCODEC_VERSION_INT constant */
51a49663 867unsigned avcodec_version(void);
8bceb6af 868/* returns LIBAVCODEC_BUILD constant */
51a49663 869unsigned avcodec_build(void);
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870void avcodec_init(void);
871
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872void avcodec_set_bit_exact(void);
873
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874void register_avcodec(AVCodec *format);
875AVCodec *avcodec_find_encoder(enum CodecID id);
98f3b098 876AVCodec *avcodec_find_encoder_by_name(const char *name);
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877AVCodec *avcodec_find_decoder(enum CodecID id);
878AVCodec *avcodec_find_decoder_by_name(const char *name);
879void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
880
7ffbb60e 881AVCodecContext *avcodec_alloc_context(void);
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882int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
883int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples,
884 int *frame_size_ptr,
885 UINT8 *buf, int buf_size);
886int avcodec_decode_video(AVCodecContext *avctx, AVPicture *picture,
887 int *got_picture_ptr,
888 UINT8 *buf, int buf_size);
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889int avcodec_parse_frame(AVCodecContext *avctx, UINT8 **pdata,
890 int *data_size_ptr,
891 UINT8 *buf, int buf_size);
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892int avcodec_encode_audio(AVCodecContext *avctx, UINT8 *buf, int buf_size,
893 const short *samples);
894int avcodec_encode_video(AVCodecContext *avctx, UINT8 *buf, int buf_size,
895 const AVPicture *pict);
896
897int avcodec_close(AVCodecContext *avctx);
898
899void avcodec_register_all(void);
a96b68b7 900
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901void avcodec_flush_buffers(AVCodecContext *avctx);
902
79e7b305 903#ifdef FF_POSTPROCESS
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904extern int quant_store[MBR+1][MBC+1]; // [Review]
905#endif
906
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907
908/**
909 * Interface for 0.5.0 version
910 *
911 * do not even think about it's usage for this moment
912 */
913
914typedef struct {
915 // compressed size used from given memory buffer
916 int size;
917 /// I/P/B frame type
918 int frame_type;
919} avc_enc_result_t;
920
921/**
922 * Commands
923 * order can't be changed - once it was defined
924 */
925typedef enum {
926 // general commands
927 AVC_OPEN_BY_NAME = 0xACA000,
928 AVC_OPEN_BY_CODEC_ID,
929 AVC_OPEN_BY_FOURCC,
930 AVC_CLOSE,
931
932 AVC_FLUSH,
933 // pin - struct { uint8_t* src, uint_t src_size }
934 // pout - struct { AVPicture* img, consumed_bytes,
935 AVC_DECODE,
936 // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
937 // pout - uint_t used_from_dest_size
938 AVC_ENCODE,
939
940 // query/get video commands
941 AVC_GET_VERSION = 0xACB000,
942 AVC_GET_WIDTH,
943 AVC_GET_HEIGHT,
944 AVC_GET_DELAY,
945 AVC_GET_QUANT_TABLE,
946 // ...
947
948 // query/get audio commands
949 AVC_GET_FRAME_SIZE = 0xABC000,
950
951 // maybe define some simple structure which
952 // might be passed to the user - but they can't
953 // contain any codec specific parts and these
954 // calls are usualy necessary only few times
955
956 // set video commands
957 AVC_SET_WIDTH = 0xACD000,
958 AVC_SET_HEIGHT,
959
960 // set video encoding commands
961 AVC_SET_FRAME_RATE = 0xACD800,
962 AVC_SET_QUALITY,
963 AVC_SET_HURRY_UP,
964
965 // set audio commands
966 AVC_SET_SAMPLE_RATE = 0xACE000,
967 AVC_SET_CHANNELS,
968
969} avc_cmd_t;
970
971/**
972 * \param handle allocated private structure by libavcodec
973 * for initialization pass NULL - will be returned pout
974 * user is supposed to know nothing about its structure
975 * \param cmd type of operation to be performed
976 * \param pint input parameter
977 * \param pout output parameter
978 *
979 * \returns command status - eventually for query command it might return
980 * integer resulting value
981 */
982int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
983
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984/* memory */
985void *av_malloc(int size);
986void *av_mallocz(int size);
987void av_free(void *ptr);
988void __av_freep(void **ptr);
989#define av_freep(p) __av_freep((void **)(p))
990
a96b68b7 991#endif /* AVCODEC_H */