gavl

gavldsp.h
1/*****************************************************************
2 * gavl - a general purpose audio/video processing library
3 *
4 * Copyright (c) 2001 - 2011 Members of the Gmerlin project
5 * gmerlin-general@lists.sourceforge.net
6 * http://gmerlin.sourceforge.net
7 *
8 * This program is free software: you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation, either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * *****************************************************************/
21
22#ifndef GAVLDSP_H_INCLUDED
23#define GAVLDSP_H_INCLUDED
24
25#include <gavl/gavldefs.h>
26
45 typedef struct gavl_dsp_context_s gavl_dsp_context_t;
46
53 typedef struct
54 {
68 int (*sad_rgb15)(const uint8_t * src_1, const uint8_t * src_2,
69 int stride_1, int stride_2,
70 int w, int h);
71
85 int (*sad_rgb16)(const uint8_t * src_1, const uint8_t * src_2,
86 int stride_1, int stride_2,
87 int w, int h);
88
99 int (*sad_8)(const uint8_t * src_1, const uint8_t * src_2,
100 int stride_1, int stride_2,
101 int w, int h);
102
113 int (*sad_16)(const uint8_t * src_1, const uint8_t * src_2,
114 int stride_1, int stride_2,
115 int w, int h);
116
126 float (*sad_f)(const uint8_t * src_1, const uint8_t * src_2,
127 int stride_1, int stride_2,
128 int w, int h);
129
137 void (*average_rgb15)(const uint8_t * src_1, const uint8_t * src_2,
138 uint8_t * dst, int num);
139
146 void (*average_rgb16)(const uint8_t * src_1, const uint8_t * src_2,
147 uint8_t * dst, int num);
148
155 void (*average_8)(const uint8_t * src_1, const uint8_t * src_2,
156 uint8_t * dst, int num);
157
164 void (*average_16)(const uint8_t * src_1, const uint8_t * src_2,
165 uint8_t * dst, int num);
166
174 void (*average_f)(const uint8_t * src_1, const uint8_t * src_2,
175 uint8_t * dst, int num);
176
177
188 void (*interpolate_rgb15)(const uint8_t * src_1, const uint8_t * src_2,
189 uint8_t * dst, int num, float);
190
200 void (*interpolate_rgb16)(const uint8_t * src_1, const uint8_t * src_2,
201 uint8_t * dst, int num, float fac);
202
212 void (*interpolate_8)(const uint8_t * src_1, const uint8_t * src_2,
213 uint8_t * dst, int num, float fac);
214
224 void (*interpolate_16)(const uint8_t * src_1, const uint8_t * src_2,
225 uint8_t * dst, int num, float fac);
226
237 void (*interpolate_f)(const uint8_t * src_1, const uint8_t * src_2,
238 uint8_t * dst, int num, float fac);
239
244 void (*bswap_16)(void * ptr, int len);
245
250 void (*bswap_32)(void * ptr, int len);
251
256 void (*bswap_64)(void * ptr, int len);
257
267 void (*add_u8)(const void * src1, const void * src2, void * dst, int num);
268
277 void (*add_u8_s)(const void * src1, const void * src2, void * dst, int num);
278
287 void (*add_s8)(const void * src1, const void * src2, void * dst, int num);
288
297 void (*add_u16)(const void * src1, const void * src2, void * dst, int num);
298
307 void (*add_u16_s)(const void * src1, const void * src2, void * dst, int num);
308
317 void (*add_s16)(const void * src1, const void * src2, void * dst, int num);
318
327 void (*add_s32)(const void * src1, const void * src2, void * dst, int num);
328
337 void (*add_float)(const void * src1, const void * src2, void * dst, int num);
338
347 void (*add_double)(const void * src1, const void * src2, void * dst, int num);
348
358 void (*sub_u8)(const void * src1, const void * src2, void * dst, int num);
359
368 void (*sub_u8_s)(const void * src1, const void * src2, void * dst, int num);
369
378 void (*sub_s8)(const void * src1, const void * src2, void * dst, int num);
379
388 void (*sub_u16)(const void * src1, const void * src2, void * dst, int num);
389
398 void (*sub_u16_s)(const void * src1, const void * src2, void * dst, int num);
399
408 void (*sub_s16)(const void * src1, const void * src2, void * dst, int num);
409
418 void (*sub_s32)(const void * src1, const void * src2, void * dst, int num);
419
428 void (*sub_float)(const void * src1, const void * src2, void * dst, int num);
429
438 void (*sub_double)(const void * src1, const void * src2, void * dst, int num);
439
440
441 } gavl_dsp_funcs_t;
442
450GAVL_PUBLIC
451 gavl_dsp_context_t * gavl_dsp_context_create();
452
460GAVL_PUBLIC
461 void gavl_dsp_context_set_quality(gavl_dsp_context_t * ctx,
462 int q);
463
472GAVL_PUBLIC
473 void gavl_dsp_context_set_accel_flags(gavl_dsp_context_t * ctx,
474 int flags);
475
476
486GAVL_PUBLIC gavl_dsp_funcs_t *
487 gavl_dsp_context_get_funcs(gavl_dsp_context_t * ctx);
488
493GAVL_PUBLIC
494 void gavl_dsp_context_destroy(gavl_dsp_context_t * ctx);
495
526GAVL_PUBLIC
527 int gavl_dsp_interpolate_video_frame(gavl_dsp_context_t * ctx,
528 gavl_video_format_t * format,
529 gavl_video_frame_t * src_1,
530 gavl_video_frame_t * src_2,
531 gavl_video_frame_t * dst,
532 float factor);
533
546GAVL_PUBLIC
547 int gavl_dsp_audio_frame_swap_endian(gavl_dsp_context_t * ctx,
548 gavl_audio_frame_t * frame,
549 const gavl_audio_format_t * format);
550
569GAVL_PUBLIC
570 int gavl_dsp_video_frame_swap_endian(gavl_dsp_context_t * ctx,
571 gavl_video_frame_t * frame,
572 const gavl_video_format_t * format);
573
578#endif // GAVLDSP_H_INCLUDED
gavl_dsp_context_destroy
GAVL_PUBLIC void gavl_dsp_context_destroy(gavl_dsp_context_t *ctx)
Destroy a DSP context.
gavl_dsp_context_set_quality
GAVL_PUBLIC void gavl_dsp_context_set_quality(gavl_dsp_context_t *ctx, int q)
Set the quality for a DSP context.
gavl_dsp_context_get_funcs
GAVL_PUBLIC gavl_dsp_funcs_t * gavl_dsp_context_get_funcs(gavl_dsp_context_t *ctx)
Get the functions.
gavl_dsp_context_create
GAVL_PUBLIC gavl_dsp_context_t * gavl_dsp_context_create()
Create a DSP context.
gavl_dsp_context_set_accel_flags
GAVL_PUBLIC void gavl_dsp_context_set_accel_flags(gavl_dsp_context_t *ctx, int flags)
Set the acceleration flags for a DSP context.
gavl_dsp_context_t
struct gavl_dsp_context_s gavl_dsp_context_t
Opaque DSP context.
Definition gavldsp.h:45
gavl_dsp_video_frame_swap_endian
GAVL_PUBLIC int gavl_dsp_video_frame_swap_endian(gavl_dsp_context_t *ctx, gavl_video_frame_t *frame, const gavl_video_format_t *format)
Swap endianess a video frame.
gavl_dsp_audio_frame_swap_endian
GAVL_PUBLIC int gavl_dsp_audio_frame_swap_endian(gavl_dsp_context_t *ctx, gavl_audio_frame_t *frame, const gavl_audio_format_t *format)
Swap endianess an audio frame.
gavl_dsp_interpolate_video_frame
GAVL_PUBLIC int gavl_dsp_interpolate_video_frame(gavl_dsp_context_t *ctx, gavl_video_format_t *format, gavl_video_frame_t *src_1, gavl_video_frame_t *src_2, gavl_video_frame_t *dst, float factor)
Do a linear interpolation of a video frame.
gavl_audio_format_t
Audio Format.
Definition gavl.h:261
gavl_audio_frame_t
Generic container for audio samples.
Definition gavl.h:515
gavl_dsp_funcs_t
Function table.
Definition gavldsp.h:54
gavl_video_format_s
Video format.
Definition gavl.h:2120
gavl_video_frame_t
Definition gavl.h:2285