ps2 idct patch by (Leon van Stuivenberg <leonvs at iae dot nl>)
[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 4624
9#define LIBAVCODEC_BUILD_STR "4624"
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 */
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126/* codec capabilities */
127
b71901e6 128#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001 /* decoder can use draw_horiz_band callback */
93a21abd 129#define CODEC_CAP_DR1 0x0002 /* direct rendering method 1 */
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130/* if 'parse_only' field is true, then avcodec_parse_frame() can be
131 used */
132#define CODEC_CAP_PARSE_ONLY 0x0004
bf89e6b1 133
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134#define FRAME_RATE_BASE 10000
135
136typedef struct AVCodecContext {
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137 /**
138 * the average bitrate
139 * encoding: set by user. unused for constant quantizer encoding
140 * decoding: set by lavc. 0 or some bitrate if this info is available in the stream
141 */
de6d9b64 142 int bit_rate;
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143
144 /**
145 * number of bits the bitstream is allowed to diverge from the reference
146 * the reference can be CBR (for CBR pass1) or VBR (for pass2)
147 * encoding: set by user. unused for constant quantizer encoding
148 * decoding: unused
149 */
150 int bit_rate_tolerance;
151
152 /**
153 * CODEC_FLAG_*
154 * encoding: set by user.
155 * decoding: set by user.
156 */
de6d9b64 157 int flags;
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158
159 /**
160 * some codecs needs additionnal format info. It is stored here
161 * encoding: set by user.
162 * decoding: set by lavc. (FIXME is this ok?)
163 */
164 int sub_id;
165
166 /**
167 * motion estimation algorithm used for video coding
168 * encoding: set by user.
169 * decoding: unused
170 */
171 int me_method;
172
173 /**
174 * some codecs need / can use extra-data like huffman tables
175 * mjpeg: huffman tables
176 * rv10: additional flags
177 * encoding: set/allocated/freed by user.
178 * decoding: set/allocated/freed by lavc. (can be NULL)
179 */
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180 void *extradata;
181 int extradata_size;
182
de6d9b64 183 /* video only */
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184 /**
185 * frames per sec multiplied by FRAME_RATE_BASE
186 * for variable fps this is the precission, so if the timestamps
187 * can be specified in msec precssion then this is 1000*FRAME_RATE_BASE
188 * encoding: set by user
189 * decoding: set by lavc. 0 or the frame_rate if available
190 */
191 int frame_rate;
192
193 /**
194 * encoding: set by user.
195 * decoding: set by user, some codecs might override / change it during playback
196 */
de6d9b64 197 int width, height;
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198
199 /**
200 * encoding: set by user. 0 if not known
201 * decoding: set by lavc. 0 if not known
202 */
11ce8834 203 int aspect_ratio_info;
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204#define FF_ASPECT_SQUARE 1
205#define FF_ASPECT_4_3_625 2
206#define FF_ASPECT_4_3_525 3
207#define FF_ASPECT_16_9_625 4
208#define FF_ASPECT_16_9_525 5
e769f053 209#define FF_ASPECT_EXTENDED 15
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210
211 /**
212 * the number of pictures in a group of pitures, or 0 for intra_only
213 * encoding: set by user.
214 * decoding: unused
215 */
216 int gop_size;
217
218 /**
219 * pixel format, see PIX_FMT_xxx
220 * encoding: unused
221 * decoding: set by lavc.
222 */
223 enum PixelFormat pix_fmt;
224
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225 int repeat_pict; /* when decoding, this signal how much the picture */
226 /* must be delayed. */
227 /* extra_delay = (repeat_pict / 2) * (1/fps) */
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228
229 /**
230 * if non NULL, 'draw_horiz_band' is called by the libavcodec
231 * decoder to draw an horizontal band. It improve cache usage. Not
232 * all codecs can do that. You must check the codec capabilities
233 * before
234 * encoding: unused
235 * decoding: set by user.
236 */
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237 void (*draw_horiz_band)(struct AVCodecContext *s,
238 UINT8 **src_ptr, int linesize,
239 int y, int width, int height);
240
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241 /* audio only */
242 int sample_rate; /* samples per sec */
243 int channels;
a96b68b7 244 int sample_fmt; /* sample format, currenly unused */
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245
246 /* the following data should not be initialized */
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247 int frame_size; /* in samples, initialized when calling 'init' */
248 int frame_number; /* audio or video frame number */
249 int real_pict_num; /* returns the real picture number of
250 previous encoded frame */
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251
252 /**
253 * 1 -> keyframe, 0-> not
254 * encoding: set by lavc (for the outputed bitstream, not the input frame)
255 * decoding: set by lavc (for the decoded bitstream, not the displayed frame)
256 */
257 int key_frame;
258
259 /**
260 * picture type of the previous en/decoded frame, see ?_TYPE below
261 * encoding: set by lavc (for the outputed bitstream, not the input frame)
262 * decoding: set by lavc (for the decoded bitstream, not the displayed frame)
263 */
264 int pict_type;
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265/* FIXME: these should have FF_ */
266#define I_TYPE 1 // Intra
267#define P_TYPE 2 // Predicted
268#define B_TYPE 3 // Bi-dir predicted
269#define S_TYPE 4 // S(GMC)-VOP MPEG4
270
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271 /**
272 * number of frames the decoded output will be delayed relative to
273 * the encoded input
274 * encoding: set by lavc.
275 * decoding: unused
276 */
277 int delay;
278
279 /**
280 * mbskip_table[mb]=1 if MB didnt change, is only valid for I/P frames
281 * stride= mb_width = (width+15)>>4 (FIXME export stride?)
282 * encoding: unused
283 * decoding: set by lavc
284 */
285 uint8_t *mbskip_table;
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286
287 /* encoding parameters */
de6d9b64 288 int quality; /* quality of the previous encoded frame
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289 (between 1 (good) and 31 (bad))
290 this is allso used to set the quality in vbr mode
291 and the per frame quality in CODEC_FLAG_TYPE (second pass mode) */
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292 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0)*/
293 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
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294
295 /**
296 * minimum quantizer
297 * encoding: set by user.
298 * decoding: unused
299 */
300 int qmin;
301
302 /**
303 * maximum quantizer
304 * encoding: set by user.
305 * decoding: unused
306 */
307 int qmax;
308
309 /**
310 * maximum quantizer difference etween frames
311 * encoding: set by user.
312 * decoding: unused
313 */
314 int max_qdiff;
315
316 /**
317 * maximum number of b frames between non b frames
318 * note: the output will be delayed by max_b_frames+1 relative to the input
319 * encoding: set by user.
320 * decoding: unused
321 */
322 int max_b_frames;
323
324 /**
325 * qscale factor between ip and b frames
326 * encoding: set by user.
327 * decoding: unused
328 */
329 float b_quant_factor;
330
331 /** obsolete FIXME remove */
332 int rc_strategy;
8b4c7dbc 333 int b_frame_strategy;
9dbcbd92 334
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335 /**
336 * encoding: unused
337 * decoding: set by user. 1-> skip b frames, 2-> skip idct/dequant too
338 */
339 int hurry_up;
2417652e 340
de6d9b64 341 struct AVCodec *codec;
b71901e6 342
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343 void *priv_data;
344
644d98a4 345 /* The following data is for RTP friendly coding */
1f6b6e50 346 /* By now only H.263/H.263+/MPEG4 coder honours this */
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347 int rtp_mode; /* 1 for activate RTP friendly-mode */
348 /* highers numbers represent more error-prone */
349 /* enviroments, by now just "1" exist */
350
351 int rtp_payload_size; /* The size of the RTP payload, the coder will */
352 /* do it's best to deliver a chunk with size */
353 /* below rtp_payload_size, the chunk will start */
354 /* with a start code on some codecs like H.263 */
355 /* This doesn't take account of any particular */
356 /* headers inside the transmited RTP payload */
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357
358
359 /* The RTP callcack: This function is called */
360 /* every time the encoder as a packet to send */
361 /* Depends on the encoder if the data starts */
362 /* with a Start Code (it should) H.263 does */
363 void (*rtp_callback)(void *data, int size, int packet_number);
364
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365 /**
366 * if you set get_psnr to 1 then after encoding you will have the
367 * PSNR on psnr_y/cb/cr
368 * encoding: set by user (1-> on, 0-> off)
369 * decoding: unused
370 */
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371 int get_psnr;
372 float psnr_y;
373 float psnr_cb;
374 float psnr_cr;
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375
376 /* statistics, used for 2-pass encoding */
377 int mv_bits;
378 int header_bits;
379 int i_tex_bits;
380 int p_tex_bits;
381 int i_count;
382 int p_count;
383 int skip_count;
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384 int misc_bits;
385
386 /**
387 * number of bits used for the previously encoded frame
388 * encoding: set by lavc
389 * decoding: unused
390 */
098eefe1 391 int frame_bits;
644d98a4 392
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393 /**
394 * private data of the user, can be used to carry app specific stuff
395 * encoding: set by user
396 * decoding: set by user
397 */
398 void *opaque;
399
de6d9b64 400 char codec_name[32];
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401 enum CodecType codec_type; /* see CODEC_TYPE_xxx */
402 enum CodecID codec_id; /* see CODEC_ID_xxx */
de6d9b64 403 unsigned int codec_tag; /* codec tag, only used if unknown codec */
92ba5ffb 404
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405 /**
406 * workaround bugs in encoders which cannot be detected automatically
407 * encoding: unused
408 * decoding: set by user
409 */
410 int workaround_bugs;
411
412 /**
413 * encoding: set by user
414 * decoding: unused
415 */
1f6b6e50 416 int luma_elim_threshold;
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417
418 /**
419 * encoding: set by user
420 * decoding: unused
421 */
1f6b6e50 422 int chroma_elim_threshold;
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423
424 /**
425 * strictly follow the std (MPEG4, ...)
426 * encoding: set by user
427 * decoding: unused
428 */
429 int strict_std_compliance;
430
431 /**
432 * qscale offset between ip and b frames
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433 * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
434 * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
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435 * encoding: set by user.
436 * decoding: unused
437 */
438 float b_quant_offset;
439
440 /**
441 * error resilience {-1,0,1} higher values will detect more errors but may missdetect
442 * some more or less valid parts as errors
443 * encoding: unused
444 * decoding: set by user
445 */
1f6b6e50 446 int error_resilience;
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447
448#ifndef MBC
449#define MBC 128
450#define MBR 96
451#endif
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452#define QP_TYPE int //FIXME note xxx this might be changed to int8_t
453
454 QP_TYPE *quant_store; /* field for communicating with external postprocessing */
93a21abd 455
917e06c8 456 unsigned qstride;
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457
458 /**
459 * buffer, where the next picture should be decoded into
460 * encoding: unused
461 * decoding: set by user in get_buffer_callback to a buffer into which the next part
462 * of the bitstream will be decoded, and set by lavc at end of frame to the
463 * next frame which needs to be displayed
464 */
93a21abd 465 uint8_t *dr_buffer[3];
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466
467 /**
468 * stride of the luminance part of the dr buffer
469 * encoding: unused
470 * decoding: set by user
471 */
93a21abd 472 int dr_stride;
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473
474 /**
475 * same behavior as dr_buffer, just for some private data of the user
476 * encoding: unused
477 * decoding: set by user in get_buffer_callback, and set by lavc at end of frame
478 */
93a21abd 479 void *dr_opaque_frame;
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480
481 /**
482 * called at the beginning of each frame to get a buffer for it
483 * encoding: unused
484 * decoding: set by user
485 */
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486 void (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
487
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488 /**
489 * is 1 if the decoded stream contains b frames, 0 otherwise
490 * encoding: unused
491 * decoding: set by lavc
492 */
493 int has_b_frames;
494
495 /**
496 * stride of the chrominance part of the dr buffer
497 * encoding: unused
498 * decoding: set by user
499 */
0fd90455 500 int dr_uvstride;
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501
502 /**
503 * number of dr buffers
504 * encoding: unused
505 * decoding: set by user
506 */
0fd90455 507 int dr_ip_buffer_count;
b71901e6 508
0147f198 509 int block_align; /* currently only for adpcm codec in wav/avi */
ce980a95 510
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511 int parse_only; /* decoding only: if true, only parsing is done
512 (function avcodec_parse_frame()). The frame
513 data is returned. Only MPEG codecs support this now. */
ce980a95 514
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515 /**
516 * 0-> h263 quant 1-> mpeg quant
517 * encoding: set by user.
518 * decoding: unused
519 */
520 int mpeg_quant;
ce980a95 521
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522 /**
523 * pass1 encoding statistics output buffer
524 * encoding: set by lavc
525 * decoding: unused
526 */
ce980a95 527 char *stats_out; /* encoding statistics output buffer */
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528
529 /**
530 * pass2 encoding statistics input buffer.
531 * concatenated stuff from stats_out of pass1 should be placed here
532 * encoding: allocated/set/freed by user
533 * decoding: unused
534 */
535 char *stats_in;
536
537 /**
538 * ratecontrol qmin qmax limiting method
539 * 0-> clipping, 1-> use a nice continous function to limit qscale wthin qmin/qmax
540 * encoding: set by user.
541 * decoding: unused
542 */
ce980a95 543 float rc_qsquish;
b71901e6 544
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545 float rc_qmod_amp;
546 int rc_qmod_freq;
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547
548 /**
549 * ratecontrol override, see RcOverride
550 * encoding: allocated/set/freed by user.
551 * decoding: unused
552 */
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553 RcOverride *rc_override;
554 int rc_override_count;
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555
556 /**
557 * rate control equation
558 * encoding: set by user
559 * decoding: unused
560 */
ce980a95 561 char *rc_eq;
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562
563 /**
564 * maximum bitrate
565 * encoding: set by user.
566 * decoding: unused
567 */
ce980a95 568 int rc_max_rate;
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569
570 /**
571 * minimum bitrate
572 * encoding: set by user.
573 * decoding: unused
574 */
ce980a95 575 int rc_min_rate;
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576
577 /**
578 * decoder bitstream buffer size
579 * encoding: set by user.
580 * decoding: unused
581 */
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582 int rc_buffer_size;
583 float rc_buffer_aggressivity;
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584
585 /**
586 * qscale factor between p and i frames
587 * encoding: set by user.
588 * decoding: unused
589 */
590 float i_quant_factor;
591
592 /**
593 * qscale offset between p and i frames
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594 * if > 0 then the last p frame quantizer will be used (q= lastp_q*factor+offset)
595 * if < 0 then normal ratecontrol will be done (q= -normal_q*factor+offset)
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596 * encoding: set by user.
597 * decoding: unused
598 */
599 float i_quant_offset;
600
601 /**
602 * initial complexity for pass1 ratecontrol
603 * encoding: set by user.
604 * decoding: unused
605 */
ce980a95 606 float rc_initial_cplx;
917e06c8 607
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608 /**
609 * custom aspect ratio, used if aspect_info==FF_ASPECT_EXTENDED
610 * encoding: set by user.
611 * decoding: set by lavc.
612 */
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613 int aspected_width;
614 int aspected_height;
615
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616 /**
617 * dct algorithm, see FF_DCT_* below
618 * encoding: set by user
619 * decoding: unused
620 */
28db7fce 621 int dct_algo;
c7e07931 622#define FF_DCT_AUTO 0
28db7fce 623#define FF_DCT_FASTINT 1
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624#define FF_DCT_INT 2
625#define FF_DCT_MMX 3
626#define FF_DCT_MLIB 4
28db7fce 627
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628 /**
629 * presentation timestamp in micro seconds (time when frame should be shown to user)
630 * if 0 then the frame_rate will be used as reference
631 * encoding: set by user
632 * decoding; set by lavc
633 */
634 long long int pts;
15415af4 635
1f6b6e50 636 //FIXME this should be reordered after kabis API is finished ...
ce980a95 637 //TODO kill kabi
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638 /*
639 Note: Below are located reserved fields for further usage
640 It requires for ABI !!!
641 If you'll perform some changes then borrow new space from these fields
642 (void * can be safety replaced with struct * ;)
643 P L E A S E ! ! !
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644 Note: use avcodec_alloc_context instead of malloc to allocate this,
645 otherwise the ABI compatibility will be broken between versions
646 IMPORTANT: Never change order of already declared fields!!!
647 */
648 //TODO: remove mess below
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649 unsigned long long int
650 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
15415af4 651 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11;
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652 float
653 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
ce980a95 654 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
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655 void
656 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
ce980a95 657 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
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658 unsigned long int
659 ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
660 ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
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661 unsigned short int
662 us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
663 us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;
664 unsigned char
665 uc_res0,uc_res1,uc_res2,uc_res3,uc_res4,uc_res5,
0fd90455 666 uc_res6,uc_res7,uc_res8,uc_res9,uc_res10,uc_res11,uc_res12;
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667 unsigned int
668 ui_res0,ui_res1,ui_res2,ui_res3,ui_res4,ui_res5,ui_res6,ui_res7,ui_res8,ui_res9,
28db7fce 669 ui_res10,ui_res11,ui_res12,ui_res13,ui_res14,ui_res15,ui_res16;
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670} AVCodecContext;
671
672typedef struct AVCodec {
673 char *name;
674 int type;
675 int id;
676 int priv_data_size;
677 int (*init)(AVCodecContext *);
678 int (*encode)(AVCodecContext *, UINT8 *buf, int buf_size, void *data);
679 int (*close)(AVCodecContext *);
0fd90455 680 int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
de6d9b64 681 UINT8 *buf, int buf_size);
bf89e6b1 682 int capabilities;
de6d9b64 683 struct AVCodec *next;
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684 /*
685 Note: Below are located reserved fields for further usage
686 It requires for ABI !!!
687 If you'll perform some changes then borrow new space from these fields
688 (void * can be safety replaced with struct * ;)
689 P L E A S E ! ! !
690 IMPORTANT: Never change order of already declared fields!!!
691 */
692 unsigned long long int
693 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
694 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
695 float
696 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
697 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
698 void
699 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
700 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
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701} AVCodec;
702
703/* three components are given, that's all */
704typedef struct AVPicture {
705 UINT8 *data[3];
706 int linesize[3];
707} AVPicture;
708
709extern AVCodec ac3_encoder;
710extern AVCodec mp2_encoder;
9d36bdc9 711extern AVCodec mp3lame_encoder;
81e0d0b4 712extern AVCodec oggvorbis_encoder;
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713extern AVCodec mpeg1video_encoder;
714extern AVCodec h263_encoder;
715extern AVCodec h263p_encoder;
716extern AVCodec rv10_encoder;
717extern AVCodec mjpeg_encoder;
bf89e6b1 718extern AVCodec mpeg4_encoder;
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719extern AVCodec msmpeg4v1_encoder;
720extern AVCodec msmpeg4v2_encoder;
721extern AVCodec msmpeg4v3_encoder;
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722extern AVCodec wmv1_encoder;
723extern AVCodec wmv2_encoder;
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724
725extern AVCodec h263_decoder;
bf89e6b1 726extern AVCodec mpeg4_decoder;
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727extern AVCodec msmpeg4v1_decoder;
728extern AVCodec msmpeg4v2_decoder;
729extern AVCodec msmpeg4v3_decoder;
e1a9dbff 730extern AVCodec wmv1_decoder;
0151a6f5 731extern AVCodec wmv2_decoder;
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732extern AVCodec mpeg_decoder;
733extern AVCodec h263i_decoder;
734extern AVCodec rv10_decoder;
be8ffec9 735extern AVCodec svq1_decoder;
4e66ab3b 736extern AVCodec mjpeg_decoder;
4b1f4f23 737extern AVCodec mp2_decoder;
a96b68b7 738extern AVCodec mp3_decoder;
de6d9b64 739
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740/* pcm codecs */
741#define PCM_CODEC(id, name) \
742extern AVCodec name ## _decoder; \
743extern AVCodec name ## _encoder;
744
745PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
746PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
747PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
748PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
749PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
750PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
751PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
752PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
753
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754/* adpcm codecs */
755
756PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
757PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
758PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
759
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760#undef PCM_CODEC
761
762/* dummy raw video codec */
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763extern AVCodec rawvideo_codec;
764
765/* the following codecs use external GPL libs */
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766extern AVCodec ac3_decoder;
767
768/* resample.c */
769
770struct ReSampleContext;
771
772typedef struct ReSampleContext ReSampleContext;
773
774ReSampleContext *audio_resample_init(int output_channels, int input_channels,
775 int output_rate, int input_rate);
776int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
777void audio_resample_close(ReSampleContext *s);
778
779/* YUV420 format is assumed ! */
780
781struct ImgReSampleContext;
782
783typedef struct ImgReSampleContext ImgReSampleContext;
784
785ImgReSampleContext *img_resample_init(int output_width, int output_height,
786 int input_width, int input_height);
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787
788ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
789 int iwidth, int iheight,
790 int topBand, int bottomBand,
791 int leftBand, int rightBand);
792
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793void img_resample(ImgReSampleContext *s,
794 AVPicture *output, AVPicture *input);
795
796void img_resample_close(ImgReSampleContext *s);
797
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798void avpicture_fill(AVPicture *picture, UINT8 *ptr,
799 int pix_fmt, int width, int height);
800int avpicture_get_size(int pix_fmt, int width, int height);
801
802/* convert among pixel formats */
803int img_convert(AVPicture *dst, int dst_pix_fmt,
804 AVPicture *src, int pix_fmt,
805 int width, int height);
806
807/* deinterlace a picture */
808int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
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809 int pix_fmt, int width, int height);
810
811/* external high level API */
812
813extern AVCodec *first_avcodec;
814
156e5023 815/* returns LIBAVCODEC_VERSION_INT constant */
51a49663 816unsigned avcodec_version(void);
8bceb6af 817/* returns LIBAVCODEC_BUILD constant */
51a49663 818unsigned avcodec_build(void);
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819void avcodec_init(void);
820
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821void avcodec_set_bit_exact(void);
822
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823void register_avcodec(AVCodec *format);
824AVCodec *avcodec_find_encoder(enum CodecID id);
98f3b098 825AVCodec *avcodec_find_encoder_by_name(const char *name);
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826AVCodec *avcodec_find_decoder(enum CodecID id);
827AVCodec *avcodec_find_decoder_by_name(const char *name);
828void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
829
a949d72e 830AVCodecContext *avcodec_alloc_context();
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831int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
832int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples,
833 int *frame_size_ptr,
834 UINT8 *buf, int buf_size);
835int avcodec_decode_video(AVCodecContext *avctx, AVPicture *picture,
836 int *got_picture_ptr,
837 UINT8 *buf, int buf_size);
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838int avcodec_parse_frame(AVCodecContext *avctx, UINT8 **pdata,
839 int *data_size_ptr,
840 UINT8 *buf, int buf_size);
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841int avcodec_encode_audio(AVCodecContext *avctx, UINT8 *buf, int buf_size,
842 const short *samples);
843int avcodec_encode_video(AVCodecContext *avctx, UINT8 *buf, int buf_size,
844 const AVPicture *pict);
845
846int avcodec_close(AVCodecContext *avctx);
847
848void avcodec_register_all(void);
a96b68b7 849
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850void avcodec_flush_buffers(AVCodecContext *avctx);
851
79e7b305 852#ifdef FF_POSTPROCESS
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853extern int quant_store[MBR+1][MBC+1]; // [Review]
854#endif
855
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856
857/**
858 * Interface for 0.5.0 version
859 *
860 * do not even think about it's usage for this moment
861 */
862
863typedef struct {
864 // compressed size used from given memory buffer
865 int size;
866 /// I/P/B frame type
867 int frame_type;
868} avc_enc_result_t;
869
870/**
871 * Commands
872 * order can't be changed - once it was defined
873 */
874typedef enum {
875 // general commands
876 AVC_OPEN_BY_NAME = 0xACA000,
877 AVC_OPEN_BY_CODEC_ID,
878 AVC_OPEN_BY_FOURCC,
879 AVC_CLOSE,
880
881 AVC_FLUSH,
882 // pin - struct { uint8_t* src, uint_t src_size }
883 // pout - struct { AVPicture* img, consumed_bytes,
884 AVC_DECODE,
885 // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
886 // pout - uint_t used_from_dest_size
887 AVC_ENCODE,
888
889 // query/get video commands
890 AVC_GET_VERSION = 0xACB000,
891 AVC_GET_WIDTH,
892 AVC_GET_HEIGHT,
893 AVC_GET_DELAY,
894 AVC_GET_QUANT_TABLE,
895 // ...
896
897 // query/get audio commands
898 AVC_GET_FRAME_SIZE = 0xABC000,
899
900 // maybe define some simple structure which
901 // might be passed to the user - but they can't
902 // contain any codec specific parts and these
903 // calls are usualy necessary only few times
904
905 // set video commands
906 AVC_SET_WIDTH = 0xACD000,
907 AVC_SET_HEIGHT,
908
909 // set video encoding commands
910 AVC_SET_FRAME_RATE = 0xACD800,
911 AVC_SET_QUALITY,
912 AVC_SET_HURRY_UP,
913
914 // set audio commands
915 AVC_SET_SAMPLE_RATE = 0xACE000,
916 AVC_SET_CHANNELS,
917
918} avc_cmd_t;
919
920/**
921 * \param handle allocated private structure by libavcodec
922 * for initialization pass NULL - will be returned pout
923 * user is supposed to know nothing about its structure
924 * \param cmd type of operation to be performed
925 * \param pint input parameter
926 * \param pout output parameter
927 *
928 * \returns command status - eventually for query command it might return
929 * integer resulting value
930 */
931int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
932
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933/* memory */
934void *av_malloc(int size);
935void *av_mallocz(int size);
936void av_free(void *ptr);
937void __av_freep(void **ptr);
938#define av_freep(p) __av_freep((void **)(p))
939
a96b68b7 940#endif /* AVCODEC_H */