[qemu.git] / audio / mixeng.h

/*
 * QEMU Mixing engine header
 * 
 * Copyright (c) 2004 Vassili Karpov (malc)
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#ifndef QEMU_MIXENG_H
#define QEMU_MIXENG_H

typedef void (t_sample) (void *dst, const void *src, int samples);
typedef void (f_sample) (void *dst, const void *src, int samples);
typedef struct { int64_t l; int64_t r; } st_sample_t;

extern t_sample *mixeng_conv[2][2][2];
extern f_sample *mixeng_clip[2][2][2];

void *st_rate_start (int inrate, int outrate);
void st_rate_flow (void *opaque, st_sample_t *ibuf, st_sample_t *obuf,
                   int *isamp, int *osamp);
void st_rate_stop (void *opaque);

#endif  /* mixeng.h */
Commit	Line	Data
85571bc7 FB	1	/*
	2	* QEMU Mixing engine header
	3	*
	4	* Copyright (c) 2004 Vassili Karpov (malc)
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24	#ifndef QEMU_MIXENG_H
	25	#define QEMU_MIXENG_H
	26
	27	typedef void (t_sample) (void dst, const void src, int samples);
	28	typedef void (f_sample) (void dst, const void src, int samples);
	29	typedef struct { int64_t l; int64_t r; } st_sample_t;
	30
	31	extern t_sample *mixeng_conv[2][2][2];
	32	extern f_sample *mixeng_clip[2][2][2];
	33
	34	void *st_rate_start (int inrate, int outrate);
	35	void st_rate_flow (void opaque, st_sample_t ibuf, st_sample_t *obuf,
	36	int isamp, int osamp);
	37	void st_rate_stop (void *opaque);
	38
	39	#endif /* mixeng.h */