first working version of DV video decoder
[libav.git] / libavcodec / avcodec.h
CommitLineData
a96b68b7
FB
1#ifndef AVCODEC_H
2#define AVCODEC_H
3
de6d9b64
FB
4#include "common.h"
5
4b1f4f23
J
6#define LIBAVCODEC_VERSION_INT 0x000406
7#define LIBAVCODEC_VERSION "0.4.6"
144f0625
MN
8#define LIBAVCODEC_BUILD 4630
9#define LIBAVCODEC_BUILD_STR "4630"
4b1f4f23 10
de6d9b64
FB
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,
de6d9b64
FB
19 CODEC_ID_AC3,
20 CODEC_ID_MJPEG,
bf89e6b1 21 CODEC_ID_MPEG4,
de6d9b64 22 CODEC_ID_RAWVIDEO,
84afee34
MN
23 CODEC_ID_MSMPEG4V1,
24 CODEC_ID_MSMPEG4V2,
25 CODEC_ID_MSMPEG4V3,
e1a9dbff 26 CODEC_ID_WMV1,
b50eef3a 27 CODEC_ID_WMV2,
de6d9b64
FB
28 CODEC_ID_H263P,
29 CODEC_ID_H263I,
be8ffec9 30 CODEC_ID_SVQ1,
a96b68b7
FB
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,
0147f198
FR
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
de6d9b64
FB
48
49enum CodecType {
4a663d80 50 CODEC_TYPE_UNKNOWN = -1,
de6d9b64
FB
51 CODEC_TYPE_VIDEO,
52 CODEC_TYPE_AUDIO,
53};
54
55enum PixelFormat {
9f862d11 56 PIX_FMT_ANY = -1,
de6d9b64
FB
57 PIX_FMT_YUV420P,
58 PIX_FMT_YUV422,
59 PIX_FMT_RGB24,
60 PIX_FMT_BGR24,
d9fea0b5
FB
61 PIX_FMT_YUV422P,
62 PIX_FMT_YUV444P,
b71472eb
PG
63 PIX_FMT_RGBA32,
64 PIX_FMT_BGRA32,
be8ffec9 65 PIX_FMT_YUV410P
de6d9b64
FB
66};
67
a96b68b7
FB
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
de6d9b64
FB
73/* in bytes */
74#define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
75
e4986da9
J
76/* motion estimation type, EPZS by default */
77enum Motion_Est_ID {
101bea5f 78 ME_ZERO = 1,
e4986da9
J
79 ME_FULL,
80 ME_LOG,
81 ME_PHODS,
82 ME_EPZS,
83 ME_X1
84};
85
ce980a95
MN
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
101bea5f
J
93/* only for ME compatiblity with old apps */
94extern int motion_estimation_method;
95
e4986da9 96/* ME algos sorted by quality */
bc6caae2
J
97static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
98 ME_X1, ME_EPZS, ME_FULL };
de6d9b64 99
28db7fce 100
9dbcbd92
MN
101#define FF_MAX_B_FRAMES 4
102
a949d72e
MN
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
b71901e6
MN
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 */
9dbcbd92
MN
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
b71901e6
MN
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 */
b71901e6
MN
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
bf89e6b1
FB
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 */
917e06c8
FB
133/* if 'parse_only' field is true, then avcodec_parse_frame() can be
134 used */
135#define CODEC_CAP_PARSE_ONLY 0x0004
bf89e6b1 136
de6d9b64
FB
137#define FRAME_RATE_BASE 10000
138
139typedef struct AVCodecContext {
b71901e6
MN
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;
b71901e6
MN
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;
b71901e6
MN
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
c5d309f2
MN
180 * encoding: set/allocated/freed by lavc.
181 * decoding: set/allocated/freed by user.
b71901e6 182 */
e84c31dc
A
183 void *extradata;
184 int extradata_size;
185
de6d9b64 186 /* video only */
b71901e6
MN
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;
b71901e6
MN
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;
2efe097a
MN
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
b71901e6
MN
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
e0a3d744
J
228 int repeat_pict; /* when decoding, this signal how much the picture */
229 /* must be delayed. */
230 /* extra_delay = (repeat_pict / 2) * (1/fps) */
b71901e6
MN
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 */
bf89e6b1
FB
240 void (*draw_horiz_band)(struct AVCodecContext *s,
241 UINT8 **src_ptr, int linesize,
242 int y, int width, int height);
243
de6d9b64
FB
244 /* audio only */
245 int sample_rate; /* samples per sec */
246 int channels;
a96b68b7 247 int sample_fmt; /* sample format, currenly unused */
de6d9b64
FB
248
249 /* the following data should not be initialized */
9cd3766f
J
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 */
b71901e6
MN
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;
9cd3766f
J
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
b71901e6
MN
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;
1ff662cc
MN
289
290 /* encoding parameters */
c5d309f2
MN
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
8b4c7dbc
MN
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) */
9cdd6a24
MN
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) */
b71901e6
MN
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
b71901e6
MN
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
de6d9b64
FB
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 */
644d98a4
J
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 */
81401c1f
J
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
b71901e6
MN
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 */
43f1708f
J
379 int get_psnr;
380 float psnr_y;
381 float psnr_cb;
382 float psnr_cr;
098eefe1
MN
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;
b71901e6
MN
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
b71901e6
MN
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];
4a663d80
PG
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
b71901e6
MN
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;
b71901e6
MN
425
426 /**
427 * encoding: set by user
428 * decoding: unused
429 */
1f6b6e50 430 int chroma_elim_threshold;
b71901e6
MN
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
b3a391e8
MN
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)
b71901e6
MN
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;
ae72cda6
NK
455
456#ifndef MBC
457#define MBC 128
458#define MBR 96
459#endif
93a21abd
MN
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;
b71901e6
MN
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];
b71901e6
MN
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;
b71901e6
MN
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;
b71901e6
MN
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 */
0fd90455
MN
494 void (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
495
b71901e6
MN
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;
b71901e6
MN
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
917e06c8
FB
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
b71901e6
MN
523 /**
524 * 0-> h263 quant 1-> mpeg quant
525 * encoding: set by user.
526 * decoding: unused
527 */
528 int mpeg_quant;
ce980a95 529
b71901e6
MN
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 */
b71901e6
MN
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
ce980a95
MN
553 float rc_qmod_amp;
554 int rc_qmod_freq;
b71901e6
MN
555
556 /**
557 * ratecontrol override, see RcOverride
558 * encoding: allocated/set/freed by user.
559 * decoding: unused
560 */
ce980a95
MN
561 RcOverride *rc_override;
562 int rc_override_count;
b71901e6
MN
563
564 /**
565 * rate control equation
566 * encoding: set by user
567 * decoding: unused
568 */
ce980a95 569 char *rc_eq;
b71901e6
MN
570
571 /**
572 * maximum bitrate
573 * encoding: set by user.
574 * decoding: unused
575 */
ce980a95 576 int rc_max_rate;
b71901e6
MN
577
578 /**
579 * minimum bitrate
580 * encoding: set by user.
581 * decoding: unused
582 */
ce980a95 583 int rc_min_rate;
b71901e6
MN
584
585 /**
586 * decoder bitstream buffer size
587 * encoding: set by user.
588 * decoding: unused
589 */
ce980a95
MN
590 int rc_buffer_size;
591 float rc_buffer_aggressivity;
b71901e6
MN
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
b3a391e8
MN
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)
b71901e6
MN
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
b71901e6
MN
616 /**
617 * custom aspect ratio, used if aspect_info==FF_ASPECT_EXTENDED
618 * encoding: set by user.
619 * decoding: set by lavc.
620 */
e769f053
AB
621 int aspected_width;
622 int aspected_height;
623
b71901e6
MN
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
c7e07931
MO
632#define FF_DCT_INT 2
633#define FF_DCT_MMX 3
634#define FF_DCT_MLIB 4
28db7fce 635
b71901e6
MN
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;
c5d309f2
MN
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
5e746b99
MN
672 /**
673 * darkness masking (0-> disabled)
674 * encoding: set by user
675 * decoding: unused
676 */
677 float dark_masking;
0c2dd16e
MN
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
0c2dd16e
MN
684 */
685 int fourcc;
5e746b99 686
2ad1516a
MN
687 /**
688 * idct algorithm, see FF_IDCT_* below
689 * encoding: set by user
690 * decoding: set by user
691 */
692 int idct_algo;
693#define FF_IDCT_AUTO 0
694#define FF_IDCT_INT 1
695#define FF_IDCT_SIMPLE 2
696#define FF_IDCT_SIMPLEMMX 3
697#define FF_IDCT_LIBMPEG2MMX 4
698#define FF_IDCT_PS2 5
699#define FF_IDCT_MLIB 6
700#define FF_IDCT_ARM 7
701
144f0625
MN
702 /**
703 * slice count
704 * encoding: set by lavc
705 * decoding: set by user (or 0)
706 */
707 int slice_count;
708 /**
709 * slice offsets in the frame in bytes
710 * encoding: set/allocated by lavc
711 * decoding: set/allocated by user (or NULL)
712 */
713 int *slice_offset;
714
1f6b6e50 715 //FIXME this should be reordered after kabis API is finished ...
ce980a95 716 //TODO kill kabi
5d27890a
NK
717 /*
718 Note: Below are located reserved fields for further usage
719 It requires for ABI !!!
720 If you'll perform some changes then borrow new space from these fields
721 (void * can be safety replaced with struct * ;)
722 P L E A S E ! ! !
b71901e6
MN
723 Note: use avcodec_alloc_context instead of malloc to allocate this,
724 otherwise the ABI compatibility will be broken between versions
725 IMPORTANT: Never change order of already declared fields!!!
726 */
727 //TODO: remove mess below
5d27890a
NK
728 unsigned long long int
729 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
15415af4 730 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11;
5d27890a
NK
731 float
732 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
ce980a95 733 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
5d27890a
NK
734 void
735 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
ce980a95 736 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
5d27890a
NK
737 unsigned long int
738 ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
739 ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
5d27890a
NK
740 unsigned short int
741 us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
742 us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;
743 unsigned char
744 uc_res0,uc_res1,uc_res2,uc_res3,uc_res4,uc_res5,
0fd90455 745 uc_res6,uc_res7,uc_res8,uc_res9,uc_res10,uc_res11,uc_res12;
ce980a95
MN
746 unsigned int
747 ui_res0,ui_res1,ui_res2,ui_res3,ui_res4,ui_res5,ui_res6,ui_res7,ui_res8,ui_res9,
28db7fce 748 ui_res10,ui_res11,ui_res12,ui_res13,ui_res14,ui_res15,ui_res16;
de6d9b64
FB
749} AVCodecContext;
750
751typedef struct AVCodec {
752 char *name;
753 int type;
754 int id;
755 int priv_data_size;
756 int (*init)(AVCodecContext *);
757 int (*encode)(AVCodecContext *, UINT8 *buf, int buf_size, void *data);
758 int (*close)(AVCodecContext *);
0fd90455 759 int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
de6d9b64 760 UINT8 *buf, int buf_size);
bf89e6b1 761 int capabilities;
de6d9b64 762 struct AVCodec *next;
5d27890a
NK
763 /*
764 Note: Below are located reserved fields for further usage
765 It requires for ABI !!!
766 If you'll perform some changes then borrow new space from these fields
767 (void * can be safety replaced with struct * ;)
768 P L E A S E ! ! !
769 IMPORTANT: Never change order of already declared fields!!!
770 */
771 unsigned long long int
772 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
773 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
774 float
775 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
776 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
777 void
778 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
779 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
de6d9b64
FB
780} AVCodec;
781
782/* three components are given, that's all */
783typedef struct AVPicture {
784 UINT8 *data[3];
785 int linesize[3];
786} AVPicture;
787
788extern AVCodec ac3_encoder;
789extern AVCodec mp2_encoder;
9d36bdc9 790extern AVCodec mp3lame_encoder;
81e0d0b4 791extern AVCodec oggvorbis_encoder;
de6d9b64
FB
792extern AVCodec mpeg1video_encoder;
793extern AVCodec h263_encoder;
794extern AVCodec h263p_encoder;
795extern AVCodec rv10_encoder;
796extern AVCodec mjpeg_encoder;
bf89e6b1 797extern AVCodec mpeg4_encoder;
84afee34
MN
798extern AVCodec msmpeg4v1_encoder;
799extern AVCodec msmpeg4v2_encoder;
800extern AVCodec msmpeg4v3_encoder;
0151a6f5
MN
801extern AVCodec wmv1_encoder;
802extern AVCodec wmv2_encoder;
de6d9b64
FB
803
804extern AVCodec h263_decoder;
bf89e6b1 805extern AVCodec mpeg4_decoder;
84afee34
MN
806extern AVCodec msmpeg4v1_decoder;
807extern AVCodec msmpeg4v2_decoder;
808extern AVCodec msmpeg4v3_decoder;
e1a9dbff 809extern AVCodec wmv1_decoder;
0151a6f5 810extern AVCodec wmv2_decoder;
de6d9b64
FB
811extern AVCodec mpeg_decoder;
812extern AVCodec h263i_decoder;
813extern AVCodec rv10_decoder;
be8ffec9 814extern AVCodec svq1_decoder;
4e66ab3b 815extern AVCodec mjpeg_decoder;
4b1f4f23 816extern AVCodec mp2_decoder;
a96b68b7 817extern AVCodec mp3_decoder;
de6d9b64 818
a96b68b7
FB
819/* pcm codecs */
820#define PCM_CODEC(id, name) \
821extern AVCodec name ## _decoder; \
822extern AVCodec name ## _encoder;
823
824PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
825PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
826PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
827PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
828PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
829PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
830PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
831PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
832
0147f198
FR
833/* adpcm codecs */
834
835PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
836PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
837PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
838
a96b68b7
FB
839#undef PCM_CODEC
840
841/* dummy raw video codec */
de6d9b64
FB
842extern AVCodec rawvideo_codec;
843
844/* the following codecs use external GPL libs */
de6d9b64
FB
845extern AVCodec ac3_decoder;
846
847/* resample.c */
848
849struct ReSampleContext;
850
851typedef struct ReSampleContext ReSampleContext;
852
853ReSampleContext *audio_resample_init(int output_channels, int input_channels,
854 int output_rate, int input_rate);
855int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
856void audio_resample_close(ReSampleContext *s);
857
858/* YUV420 format is assumed ! */
859
860struct ImgReSampleContext;
861
862typedef struct ImgReSampleContext ImgReSampleContext;
863
864ImgReSampleContext *img_resample_init(int output_width, int output_height,
865 int input_width, int input_height);
ab6d194a
MN
866
867ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
868 int iwidth, int iheight,
869 int topBand, int bottomBand,
870 int leftBand, int rightBand);
871
de6d9b64
FB
872void img_resample(ImgReSampleContext *s,
873 AVPicture *output, AVPicture *input);
874
875void img_resample_close(ImgReSampleContext *s);
876
219b06c6
FB
877void avpicture_fill(AVPicture *picture, UINT8 *ptr,
878 int pix_fmt, int width, int height);
879int avpicture_get_size(int pix_fmt, int width, int height);
880
881/* convert among pixel formats */
882int img_convert(AVPicture *dst, int dst_pix_fmt,
883 AVPicture *src, int pix_fmt,
884 int width, int height);
885
886/* deinterlace a picture */
887int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
de6d9b64
FB
888 int pix_fmt, int width, int height);
889
890/* external high level API */
891
892extern AVCodec *first_avcodec;
893
156e5023 894/* returns LIBAVCODEC_VERSION_INT constant */
51a49663 895unsigned avcodec_version(void);
8bceb6af 896/* returns LIBAVCODEC_BUILD constant */
51a49663 897unsigned avcodec_build(void);
de6d9b64
FB
898void avcodec_init(void);
899
51a49663
FB
900void avcodec_set_bit_exact(void);
901
de6d9b64
FB
902void register_avcodec(AVCodec *format);
903AVCodec *avcodec_find_encoder(enum CodecID id);
98f3b098 904AVCodec *avcodec_find_encoder_by_name(const char *name);
de6d9b64
FB
905AVCodec *avcodec_find_decoder(enum CodecID id);
906AVCodec *avcodec_find_decoder_by_name(const char *name);
907void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
908
7ffbb60e 909AVCodecContext *avcodec_alloc_context(void);
de6d9b64
FB
910int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
911int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples,
912 int *frame_size_ptr,
913 UINT8 *buf, int buf_size);
914int avcodec_decode_video(AVCodecContext *avctx, AVPicture *picture,
915 int *got_picture_ptr,
916 UINT8 *buf, int buf_size);
917e06c8
FB
917int avcodec_parse_frame(AVCodecContext *avctx, UINT8 **pdata,
918 int *data_size_ptr,
919 UINT8 *buf, int buf_size);
de6d9b64
FB
920int avcodec_encode_audio(AVCodecContext *avctx, UINT8 *buf, int buf_size,
921 const short *samples);
922int avcodec_encode_video(AVCodecContext *avctx, UINT8 *buf, int buf_size,
923 const AVPicture *pict);
924
925int avcodec_close(AVCodecContext *avctx);
926
927void avcodec_register_all(void);
a96b68b7 928
1c2a8c7f
MN
929void avcodec_flush_buffers(AVCodecContext *avctx);
930
79e7b305 931#ifdef FF_POSTPROCESS
79e7b305
A
932extern int quant_store[MBR+1][MBC+1]; // [Review]
933#endif
934
e8f14793
ZK
935
936/**
937 * Interface for 0.5.0 version
938 *
939 * do not even think about it's usage for this moment
940 */
941
942typedef struct {
943 // compressed size used from given memory buffer
944 int size;
945 /// I/P/B frame type
946 int frame_type;
947} avc_enc_result_t;
948
949/**
950 * Commands
951 * order can't be changed - once it was defined
952 */
953typedef enum {
954 // general commands
955 AVC_OPEN_BY_NAME = 0xACA000,
956 AVC_OPEN_BY_CODEC_ID,
957 AVC_OPEN_BY_FOURCC,
958 AVC_CLOSE,
959
960 AVC_FLUSH,
961 // pin - struct { uint8_t* src, uint_t src_size }
962 // pout - struct { AVPicture* img, consumed_bytes,
963 AVC_DECODE,
964 // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
965 // pout - uint_t used_from_dest_size
966 AVC_ENCODE,
967
968 // query/get video commands
969 AVC_GET_VERSION = 0xACB000,
970 AVC_GET_WIDTH,
971 AVC_GET_HEIGHT,
972 AVC_GET_DELAY,
973 AVC_GET_QUANT_TABLE,
974 // ...
975
976 // query/get audio commands
977 AVC_GET_FRAME_SIZE = 0xABC000,
978
979 // maybe define some simple structure which
980 // might be passed to the user - but they can't
981 // contain any codec specific parts and these
982 // calls are usualy necessary only few times
983
984 // set video commands
985 AVC_SET_WIDTH = 0xACD000,
986 AVC_SET_HEIGHT,
987
988 // set video encoding commands
989 AVC_SET_FRAME_RATE = 0xACD800,
990 AVC_SET_QUALITY,
991 AVC_SET_HURRY_UP,
992
993 // set audio commands
994 AVC_SET_SAMPLE_RATE = 0xACE000,
995 AVC_SET_CHANNELS,
996
997} avc_cmd_t;
998
999/**
1000 * \param handle allocated private structure by libavcodec
1001 * for initialization pass NULL - will be returned pout
1002 * user is supposed to know nothing about its structure
1003 * \param cmd type of operation to be performed
1004 * \param pint input parameter
1005 * \param pout output parameter
1006 *
1007 * \returns command status - eventually for query command it might return
1008 * integer resulting value
1009 */
1010int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
1011
544eb99c
FB
1012/* memory */
1013void *av_malloc(int size);
1014void *av_mallocz(int size);
1015void av_free(void *ptr);
1016void __av_freep(void **ptr);
1017#define av_freep(p) __av_freep((void **)(p))
1018
a96b68b7 1019#endif /* AVCODEC_H */