checksum update due to LIBAVCODEC_BUILD 4619->4620
[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"
ce980a95
MN
8#define LIBAVCODEC_BUILD 4620
9#define LIBAVCODEC_BUILD_STR "4620"
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,
de6d9b64
FB
18 CODEC_ID_AC3,
19 CODEC_ID_MJPEG,
bf89e6b1 20 CODEC_ID_MPEG4,
de6d9b64 21 CODEC_ID_RAWVIDEO,
84afee34
MN
22 CODEC_ID_MSMPEG4V1,
23 CODEC_ID_MSMPEG4V2,
24 CODEC_ID_MSMPEG4V3,
e1a9dbff 25 CODEC_ID_WMV1,
b50eef3a 26 CODEC_ID_WMV2,
de6d9b64
FB
27 CODEC_ID_H263P,
28 CODEC_ID_H263I,
be8ffec9 29 CODEC_ID_SVQ1,
a96b68b7
FB
30
31 /* various pcm "codecs" */
32 CODEC_ID_PCM_S16LE,
33 CODEC_ID_PCM_S16BE,
34 CODEC_ID_PCM_U16LE,
35 CODEC_ID_PCM_U16BE,
36 CODEC_ID_PCM_S8,
37 CODEC_ID_PCM_U8,
38 CODEC_ID_PCM_MULAW,
39 CODEC_ID_PCM_ALAW,
0147f198
FR
40
41 /* various adpcm codecs */
42 CODEC_ID_ADPCM_IMA_QT,
43 CODEC_ID_ADPCM_IMA_WAV,
44 CODEC_ID_ADPCM_MS,
de6d9b64 45};
84afee34 46#define CODEC_ID_MSMPEG4 CODEC_ID_MSMPEG4V3
de6d9b64
FB
47
48enum CodecType {
4a663d80 49 CODEC_TYPE_UNKNOWN = -1,
de6d9b64
FB
50 CODEC_TYPE_VIDEO,
51 CODEC_TYPE_AUDIO,
52};
53
54enum PixelFormat {
9f862d11 55 PIX_FMT_ANY = -1,
de6d9b64
FB
56 PIX_FMT_YUV420P,
57 PIX_FMT_YUV422,
58 PIX_FMT_RGB24,
59 PIX_FMT_BGR24,
d9fea0b5
FB
60 PIX_FMT_YUV422P,
61 PIX_FMT_YUV444P,
b71472eb
PG
62 PIX_FMT_RGBA32,
63 PIX_FMT_BGRA32,
be8ffec9 64 PIX_FMT_YUV410P
de6d9b64
FB
65};
66
a96b68b7
FB
67/* currently unused, may be used if 24/32 bits samples ever supported */
68enum SampleFormat {
69 SAMPLE_FMT_S16 = 0, /* signed 16 bits */
70};
71
de6d9b64
FB
72/* in bytes */
73#define AVCODEC_MAX_AUDIO_FRAME_SIZE 18432
74
e4986da9
J
75/* motion estimation type, EPZS by default */
76enum Motion_Est_ID {
101bea5f 77 ME_ZERO = 1,
e4986da9
J
78 ME_FULL,
79 ME_LOG,
80 ME_PHODS,
81 ME_EPZS,
82 ME_X1
83};
84
ce980a95
MN
85typedef struct RcOverride{
86 int start_frame;
87 int end_frame;
88 int qscale; // if this is 0 then quality_factor will be used instead
89 float quality_factor;
90} RcOverride;
91
101bea5f
J
92/* only for ME compatiblity with old apps */
93extern int motion_estimation_method;
94
e4986da9 95/* ME algos sorted by quality */
bc6caae2
J
96static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
97 ME_X1, ME_EPZS, ME_FULL };
de6d9b64 98
9dbcbd92
MN
99#define FF_MAX_B_FRAMES 4
100
de6d9b64 101/* encoding support */
ba6802de 102/* note not everything is supported yet */
de6d9b64
FB
103
104#define CODEC_FLAG_HQ 0x0001 /* high quality (non real time) encoding */
105#define CODEC_FLAG_QSCALE 0x0002 /* use fixed qscale */
ba6802de 106#define CODEC_FLAG_4MV 0x0004 /* 4 MV per MB allowed */
ba6802de
MN
107#define CODEC_FLAG_QPEL 0x0010 /* use qpel MC */
108#define CODEC_FLAG_GMC 0x0020 /* use GMC */
60e575ac 109#define CODEC_FLAG_TYPE 0x0040 /* fixed I/P frame type, from avctx->key_frame */
1f6b6e50 110#define CODEC_FLAG_PART 0x0080 /* use data partitioning */
9dbcbd92
MN
111/* parent program gurantees that the input for b-frame containing streams is not written to
112 for at least s->max_b_frames+1 frames, if this is not set than the input will be copied */
8b4c7dbc
MN
113#define CODEC_FLAG_INPUT_PRESERVED 0x0100
114#define CODEC_FLAG_PASS1 0x0200 /* use internal 2pass ratecontrol in first pass mode */
115#define CODEC_FLAG_PASS2 0x0400 /* use internal 2pass ratecontrol in second pass mode */
e84c31dc 116#define CODEC_FLAG_EXTERN_HUFF 0x1000 /* use external huffman table (for mjpeg) */
93a21abd
MN
117#define CODEC_FLAG_GRAY 0x2000 /* only decode/encode grayscale */
118#define CODEC_FLAG_EMU_EDGE 0x4000/* dont draw edges */
119#define CODEC_FLAG_DR1 0x8000 /* dr1 */
bf89e6b1
FB
120/* codec capabilities */
121
122/* decoder can use draw_horiz_band callback */
123#define CODEC_CAP_DRAW_HORIZ_BAND 0x0001
93a21abd 124#define CODEC_CAP_DR1 0x0002 /* direct rendering method 1 */
917e06c8
FB
125/* if 'parse_only' field is true, then avcodec_parse_frame() can be
126 used */
127#define CODEC_CAP_PARSE_ONLY 0x0004
bf89e6b1 128
de6d9b64
FB
129#define FRAME_RATE_BASE 10000
130
131typedef struct AVCodecContext {
132 int bit_rate;
9cdd6a24 133 int bit_rate_tolerance; /* amount of +- bits (>0)*/
de6d9b64
FB
134 int flags;
135 int sub_id; /* some codecs needs additionnal format info. It is
136 stored there */
e4986da9
J
137
138 int me_method; /* ME algorithm used for video coding */
139
e84c31dc
A
140 /* extra data from parent application to codec, e.g. huffman table
141 for mjpeg */
142 /* the parent should allocate and free this buffer */
143 void *extradata;
144 int extradata_size;
145
de6d9b64
FB
146 /* video only */
147 int frame_rate; /* frames per sec multiplied by FRAME_RATE_BASE */
148 int width, height;
11ce8834 149 int aspect_ratio_info;
2efe097a
MN
150#define FF_ASPECT_SQUARE 1
151#define FF_ASPECT_4_3_625 2
152#define FF_ASPECT_4_3_525 3
153#define FF_ASPECT_16_9_625 4
154#define FF_ASPECT_16_9_525 5
de6d9b64 155 int gop_size; /* 0 = intra only */
bc657ac3 156 enum PixelFormat pix_fmt; /* pixel format, see PIX_FMT_xxx */
e0a3d744
J
157 int repeat_pict; /* when decoding, this signal how much the picture */
158 /* must be delayed. */
159 /* extra_delay = (repeat_pict / 2) * (1/fps) */
bf89e6b1
FB
160 /* if non NULL, 'draw_horiz_band' is called by the libavcodec
161 decoder to draw an horizontal band. It improve cache usage. Not
162 all codecs can do that. You must check the codec capabilities
163 before */
164 void (*draw_horiz_band)(struct AVCodecContext *s,
165 UINT8 **src_ptr, int linesize,
166 int y, int width, int height);
167
de6d9b64
FB
168 /* audio only */
169 int sample_rate; /* samples per sec */
170 int channels;
a96b68b7 171 int sample_fmt; /* sample format, currenly unused */
de6d9b64
FB
172
173 /* the following data should not be initialized */
9cd3766f
J
174 int frame_size; /* in samples, initialized when calling 'init' */
175 int frame_number; /* audio or video frame number */
176 int real_pict_num; /* returns the real picture number of
177 previous encoded frame */
178 int key_frame; /* true if the previous compressed frame was
179 a key frame (intra, or seekable) */
180 int pict_type; /* picture type of the previous
181 encoded frame */
182/* FIXME: these should have FF_ */
183#define I_TYPE 1 // Intra
184#define P_TYPE 2 // Predicted
185#define B_TYPE 3 // Bi-dir predicted
186#define S_TYPE 4 // S(GMC)-VOP MPEG4
187
188 int delay; /* number of frames the decoded output
189 will be delayed relative to the encoded input */
2417652e
MN
190 uint8_t *mbskip_table; /* =1 if MB didnt change, is only valid for I/P frames
191 stride= mb_width = (width+15)>>4 */
1ff662cc
MN
192
193 /* encoding parameters */
de6d9b64 194 int quality; /* quality of the previous encoded frame
8b4c7dbc
MN
195 (between 1 (good) and 31 (bad))
196 this is allso used to set the quality in vbr mode
197 and the per frame quality in CODEC_FLAG_TYPE (second pass mode) */
9cdd6a24
MN
198 float qcompress; /* amount of qscale change between easy & hard scenes (0.0-1.0)*/
199 float qblur; /* amount of qscale smoothing over time (0.0-1.0) */
200 int qmin; /* min qscale */
201 int qmax; /* max qscale */
202 int max_qdiff; /* max qscale difference between frames */
9dbcbd92 203 int max_b_frames; /* maximum b frames, the output will be delayed by max_b_frames+1 relative to the input */
ce980a95
MN
204 float b_quant_factor;/* qscale factor between ps and b frames */
205 int rc_strategy; /* obsolete FIXME remove */
8b4c7dbc 206 int b_frame_strategy;
9dbcbd92 207
2417652e
MN
208 int hurry_up; /* when set to 1 during decoding, b frames will be skiped
209 when set to 2 idct/dequant will be skipped too */
210
de6d9b64
FB
211 struct AVCodec *codec;
212 void *priv_data;
213
644d98a4 214 /* The following data is for RTP friendly coding */
1f6b6e50 215 /* By now only H.263/H.263+/MPEG4 coder honours this */
644d98a4
J
216 int rtp_mode; /* 1 for activate RTP friendly-mode */
217 /* highers numbers represent more error-prone */
218 /* enviroments, by now just "1" exist */
219
220 int rtp_payload_size; /* The size of the RTP payload, the coder will */
221 /* do it's best to deliver a chunk with size */
222 /* below rtp_payload_size, the chunk will start */
223 /* with a start code on some codecs like H.263 */
224 /* This doesn't take account of any particular */
225 /* headers inside the transmited RTP payload */
81401c1f
J
226
227
228 /* The RTP callcack: This function is called */
229 /* every time the encoder as a packet to send */
230 /* Depends on the encoder if the data starts */
231 /* with a Start Code (it should) H.263 does */
232 void (*rtp_callback)(void *data, int size, int packet_number);
233
43f1708f
J
234 /* These are for PSNR calculation, if you set get_psnr to 1 */
235 /* after encoding you will have the PSNR on psnr_y/cb/cr */
236 int get_psnr;
237 float psnr_y;
238 float psnr_cb;
239 float psnr_cr;
098eefe1
MN
240
241 /* statistics, used for 2-pass encoding */
242 int mv_bits;
243 int header_bits;
244 int i_tex_bits;
245 int p_tex_bits;
246 int i_count;
247 int p_count;
248 int skip_count;
249 int misc_bits; // cbp, mb_type
250 int frame_bits;
644d98a4 251
de6d9b64 252 /* the following fields are ignored */
bf89e6b1 253 void *opaque; /* can be used to carry app specific stuff */
de6d9b64 254 char codec_name[32];
4a663d80
PG
255 enum CodecType codec_type; /* see CODEC_TYPE_xxx */
256 enum CodecID codec_id; /* see CODEC_ID_xxx */
de6d9b64 257 unsigned int codec_tag; /* codec tag, only used if unknown codec */
92ba5ffb
MN
258
259 int workaround_bugs; /* workaround bugs in encoders which cannot be detected automatically */
1f6b6e50
MN
260 int luma_elim_threshold;
261 int chroma_elim_threshold;
262 int strict_std_compliance; /* strictly follow the std (MPEG4, ...) */
263 float b_quant_offset;/* qscale offset between ips and b frames, not implemented yet */
264 int error_resilience;
ae72cda6
NK
265
266#ifndef MBC
267#define MBC 128
268#define MBR 96
269#endif
93a21abd
MN
270#define QP_TYPE int //FIXME note xxx this might be changed to int8_t
271
272 QP_TYPE *quant_store; /* field for communicating with external postprocessing */
93a21abd 273
917e06c8 274 unsigned qstride;
93a21abd
MN
275 uint8_t *dr_buffer[3];
276 int dr_stride;
277 void *dr_opaque_frame;
0fd90455
MN
278 void (*get_buffer_callback)(struct AVCodecContext *c, int width, int height, int pict_type);
279
280 int has_b_frames; // is 1 if the decoded stream contains b frames
281 int dr_uvstride;
282 int dr_ip_buffer_count;
0147f198 283 int block_align; /* currently only for adpcm codec in wav/avi */
ce980a95 284
917e06c8
FB
285 int parse_only; /* decoding only: if true, only parsing is done
286 (function avcodec_parse_frame()). The frame
287 data is returned. Only MPEG codecs support this now. */
ce980a95 288
87f8cab4 289 int mpeg_quant; /* 0-> h263 quant 1-> mpeg quant */
ce980a95
MN
290
291 char *stats_out; /* encoding statistics output buffer */
292 char *stats_in; /* encoding statistics input buffer (concatenated stuff from stats_out of pass1 should be placed here)*/
293 float rc_qsquish;
294 float rc_qmod_amp;
295 int rc_qmod_freq;
296 RcOverride *rc_override;
297 int rc_override_count;
298 char *rc_eq;
299 int rc_max_rate;
300 int rc_min_rate;
301 int rc_buffer_size;
302 float rc_buffer_aggressivity;
303 float i_quant_factor;/* qscale factor between i and p frames */
304 float i_quant_offset;/* qscale offset between i and p frames */
305 float rc_initial_cplx;
917e06c8 306
1f6b6e50 307 //FIXME this should be reordered after kabis API is finished ...
ce980a95 308 //TODO kill kabi
5d27890a
NK
309 /*
310 Note: Below are located reserved fields for further usage
311 It requires for ABI !!!
312 If you'll perform some changes then borrow new space from these fields
313 (void * can be safety replaced with struct * ;)
314 P L E A S E ! ! !
315 IMPORTANT: Never change order of already declared fields!!!
316 */
317 unsigned long long int
318 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
319 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
320 float
321 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
ce980a95 322 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
5d27890a
NK
323 void
324 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
ce980a95 325 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
5d27890a
NK
326 unsigned long int
327 ul_res0,ul_res1,ul_res2,ul_res3,ul_res4,ul_res5,
328 ul_res6,ul_res7,ul_res8,ul_res9,ul_res10,ul_res11,ul_res12;
5d27890a
NK
329 unsigned short int
330 us_res0,us_res1,us_res2,us_res3,us_res4,us_res5,
331 us_res6,us_res7,us_res8,us_res9,us_res10,us_res11,us_res12;
332 unsigned char
333 uc_res0,uc_res1,uc_res2,uc_res3,uc_res4,uc_res5,
0fd90455 334 uc_res6,uc_res7,uc_res8,uc_res9,uc_res10,uc_res11,uc_res12;
ce980a95
MN
335 unsigned int
336 ui_res0,ui_res1,ui_res2,ui_res3,ui_res4,ui_res5,ui_res6,ui_res7,ui_res8,ui_res9,
337 ui_res10,ui_res11,ui_res12,ui_res13,ui_res14,ui_res15,ui_res16,ui_res17,ui_res18,ui_res19;
de6d9b64
FB
338} AVCodecContext;
339
340typedef struct AVCodec {
341 char *name;
342 int type;
343 int id;
344 int priv_data_size;
345 int (*init)(AVCodecContext *);
346 int (*encode)(AVCodecContext *, UINT8 *buf, int buf_size, void *data);
347 int (*close)(AVCodecContext *);
0fd90455 348 int (*decode)(AVCodecContext *, void *outdata, int *outdata_size,
de6d9b64 349 UINT8 *buf, int buf_size);
bf89e6b1 350 int capabilities;
de6d9b64 351 struct AVCodec *next;
5d27890a
NK
352 /*
353 Note: Below are located reserved fields for further usage
354 It requires for ABI !!!
355 If you'll perform some changes then borrow new space from these fields
356 (void * can be safety replaced with struct * ;)
357 P L E A S E ! ! !
358 IMPORTANT: Never change order of already declared fields!!!
359 */
360 unsigned long long int
361 ull_res0,ull_res1,ull_res2,ull_res3,ull_res4,ull_res5,
362 ull_res6,ull_res7,ull_res8,ull_res9,ull_res10,ull_res11,ull_res12;
363 float
364 flt_res0,flt_res1,flt_res2,flt_res3,flt_res4,flt_res5,
365 flt_res6,flt_res7,flt_res8,flt_res9,flt_res10,flt_res11,flt_res12;
366 void
367 *ptr_res0,*ptr_res1,*ptr_res2,*ptr_res3,*ptr_res4,*ptr_res5,
368 *ptr_res6,*ptr_res7,*ptr_res8,*ptr_res9,*ptr_res10,*ptr_res11,*ptr_res12;
de6d9b64
FB
369} AVCodec;
370
371/* three components are given, that's all */
372typedef struct AVPicture {
373 UINT8 *data[3];
374 int linesize[3];
375} AVPicture;
376
377extern AVCodec ac3_encoder;
378extern AVCodec mp2_encoder;
9d36bdc9 379extern AVCodec mp3lame_encoder;
de6d9b64
FB
380extern AVCodec mpeg1video_encoder;
381extern AVCodec h263_encoder;
382extern AVCodec h263p_encoder;
383extern AVCodec rv10_encoder;
384extern AVCodec mjpeg_encoder;
bf89e6b1 385extern AVCodec mpeg4_encoder;
84afee34
MN
386extern AVCodec msmpeg4v1_encoder;
387extern AVCodec msmpeg4v2_encoder;
388extern AVCodec msmpeg4v3_encoder;
0151a6f5
MN
389extern AVCodec wmv1_encoder;
390extern AVCodec wmv2_encoder;
de6d9b64
FB
391
392extern AVCodec h263_decoder;
bf89e6b1 393extern AVCodec mpeg4_decoder;
84afee34
MN
394extern AVCodec msmpeg4v1_decoder;
395extern AVCodec msmpeg4v2_decoder;
396extern AVCodec msmpeg4v3_decoder;
e1a9dbff 397extern AVCodec wmv1_decoder;
0151a6f5 398extern AVCodec wmv2_decoder;
de6d9b64
FB
399extern AVCodec mpeg_decoder;
400extern AVCodec h263i_decoder;
401extern AVCodec rv10_decoder;
be8ffec9 402extern AVCodec svq1_decoder;
4e66ab3b 403extern AVCodec mjpeg_decoder;
4b1f4f23 404extern AVCodec mp2_decoder;
a96b68b7 405extern AVCodec mp3_decoder;
de6d9b64 406
a96b68b7
FB
407/* pcm codecs */
408#define PCM_CODEC(id, name) \
409extern AVCodec name ## _decoder; \
410extern AVCodec name ## _encoder;
411
412PCM_CODEC(CODEC_ID_PCM_S16LE, pcm_s16le);
413PCM_CODEC(CODEC_ID_PCM_S16BE, pcm_s16be);
414PCM_CODEC(CODEC_ID_PCM_U16LE, pcm_u16le);
415PCM_CODEC(CODEC_ID_PCM_U16BE, pcm_u16be);
416PCM_CODEC(CODEC_ID_PCM_S8, pcm_s8);
417PCM_CODEC(CODEC_ID_PCM_U8, pcm_u8);
418PCM_CODEC(CODEC_ID_PCM_ALAW, pcm_alaw);
419PCM_CODEC(CODEC_ID_PCM_MULAW, pcm_mulaw);
420
0147f198
FR
421/* adpcm codecs */
422
423PCM_CODEC(CODEC_ID_ADPCM_IMA_QT, adpcm_ima_qt);
424PCM_CODEC(CODEC_ID_ADPCM_IMA_WAV, adpcm_ima_wav);
425PCM_CODEC(CODEC_ID_ADPCM_MS, adpcm_ms);
426
a96b68b7
FB
427#undef PCM_CODEC
428
429/* dummy raw video codec */
de6d9b64
FB
430extern AVCodec rawvideo_codec;
431
432/* the following codecs use external GPL libs */
de6d9b64
FB
433extern AVCodec ac3_decoder;
434
435/* resample.c */
436
437struct ReSampleContext;
438
439typedef struct ReSampleContext ReSampleContext;
440
441ReSampleContext *audio_resample_init(int output_channels, int input_channels,
442 int output_rate, int input_rate);
443int audio_resample(ReSampleContext *s, short *output, short *input, int nb_samples);
444void audio_resample_close(ReSampleContext *s);
445
446/* YUV420 format is assumed ! */
447
448struct ImgReSampleContext;
449
450typedef struct ImgReSampleContext ImgReSampleContext;
451
452ImgReSampleContext *img_resample_init(int output_width, int output_height,
453 int input_width, int input_height);
454void img_resample(ImgReSampleContext *s,
455 AVPicture *output, AVPicture *input);
456
457void img_resample_close(ImgReSampleContext *s);
458
219b06c6
FB
459void avpicture_fill(AVPicture *picture, UINT8 *ptr,
460 int pix_fmt, int width, int height);
461int avpicture_get_size(int pix_fmt, int width, int height);
462
463/* convert among pixel formats */
464int img_convert(AVPicture *dst, int dst_pix_fmt,
465 AVPicture *src, int pix_fmt,
466 int width, int height);
467
468/* deinterlace a picture */
469int avpicture_deinterlace(AVPicture *dst, AVPicture *src,
de6d9b64
FB
470 int pix_fmt, int width, int height);
471
472/* external high level API */
473
474extern AVCodec *first_avcodec;
475
156e5023 476/* returns LIBAVCODEC_VERSION_INT constant */
51a49663 477unsigned avcodec_version(void);
8bceb6af 478/* returns LIBAVCODEC_BUILD constant */
51a49663 479unsigned avcodec_build(void);
de6d9b64
FB
480void avcodec_init(void);
481
51a49663
FB
482void avcodec_set_bit_exact(void);
483
de6d9b64
FB
484void register_avcodec(AVCodec *format);
485AVCodec *avcodec_find_encoder(enum CodecID id);
98f3b098 486AVCodec *avcodec_find_encoder_by_name(const char *name);
de6d9b64
FB
487AVCodec *avcodec_find_decoder(enum CodecID id);
488AVCodec *avcodec_find_decoder_by_name(const char *name);
489void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode);
490
491int avcodec_open(AVCodecContext *avctx, AVCodec *codec);
492int avcodec_decode_audio(AVCodecContext *avctx, INT16 *samples,
493 int *frame_size_ptr,
494 UINT8 *buf, int buf_size);
495int avcodec_decode_video(AVCodecContext *avctx, AVPicture *picture,
496 int *got_picture_ptr,
497 UINT8 *buf, int buf_size);
917e06c8
FB
498int avcodec_parse_frame(AVCodecContext *avctx, UINT8 **pdata,
499 int *data_size_ptr,
500 UINT8 *buf, int buf_size);
de6d9b64
FB
501int avcodec_encode_audio(AVCodecContext *avctx, UINT8 *buf, int buf_size,
502 const short *samples);
503int avcodec_encode_video(AVCodecContext *avctx, UINT8 *buf, int buf_size,
504 const AVPicture *pict);
505
506int avcodec_close(AVCodecContext *avctx);
507
508void avcodec_register_all(void);
a96b68b7 509
1c2a8c7f
MN
510void avcodec_flush_buffers(AVCodecContext *avctx);
511
79e7b305 512#ifdef FF_POSTPROCESS
79e7b305
A
513extern int quant_store[MBR+1][MBC+1]; // [Review]
514#endif
515
e8f14793
ZK
516
517/**
518 * Interface for 0.5.0 version
519 *
520 * do not even think about it's usage for this moment
521 */
522
523typedef struct {
524 // compressed size used from given memory buffer
525 int size;
526 /// I/P/B frame type
527 int frame_type;
528} avc_enc_result_t;
529
530/**
531 * Commands
532 * order can't be changed - once it was defined
533 */
534typedef enum {
535 // general commands
536 AVC_OPEN_BY_NAME = 0xACA000,
537 AVC_OPEN_BY_CODEC_ID,
538 AVC_OPEN_BY_FOURCC,
539 AVC_CLOSE,
540
541 AVC_FLUSH,
542 // pin - struct { uint8_t* src, uint_t src_size }
543 // pout - struct { AVPicture* img, consumed_bytes,
544 AVC_DECODE,
545 // pin - struct { AVPicture* img, uint8_t* dest, uint_t dest_size }
546 // pout - uint_t used_from_dest_size
547 AVC_ENCODE,
548
549 // query/get video commands
550 AVC_GET_VERSION = 0xACB000,
551 AVC_GET_WIDTH,
552 AVC_GET_HEIGHT,
553 AVC_GET_DELAY,
554 AVC_GET_QUANT_TABLE,
555 // ...
556
557 // query/get audio commands
558 AVC_GET_FRAME_SIZE = 0xABC000,
559
560 // maybe define some simple structure which
561 // might be passed to the user - but they can't
562 // contain any codec specific parts and these
563 // calls are usualy necessary only few times
564
565 // set video commands
566 AVC_SET_WIDTH = 0xACD000,
567 AVC_SET_HEIGHT,
568
569 // set video encoding commands
570 AVC_SET_FRAME_RATE = 0xACD800,
571 AVC_SET_QUALITY,
572 AVC_SET_HURRY_UP,
573
574 // set audio commands
575 AVC_SET_SAMPLE_RATE = 0xACE000,
576 AVC_SET_CHANNELS,
577
578} avc_cmd_t;
579
580/**
581 * \param handle allocated private structure by libavcodec
582 * for initialization pass NULL - will be returned pout
583 * user is supposed to know nothing about its structure
584 * \param cmd type of operation to be performed
585 * \param pint input parameter
586 * \param pout output parameter
587 *
588 * \returns command status - eventually for query command it might return
589 * integer resulting value
590 */
591int avcodec(void* handle, avc_cmd_t cmd, void* pin, void* pout);
592
544eb99c
FB
593/* memory */
594void *av_malloc(int size);
595void *av_mallocz(int size);
596void av_free(void *ptr);
597void __av_freep(void **ptr);
598#define av_freep(p) __av_freep((void **)(p))
599
a96b68b7 600#endif /* AVCODEC_H */