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/*
* QEMU Audio subsystem header
*
* Copyright (c) 2003-2004 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_AUDIO_H
#define QEMU_AUDIO_H
#include "mixeng.h"
typedef enum {
AUD_FMT_U8,
AUD_FMT_S8,
AUD_FMT_U16,
AUD_FMT_S16
} audfmt_e;
typedef struct SWVoice SWVoice;
SWVoice * AUD_open (SWVoice *sw, const char *name, int freq,
int nchannels, audfmt_e fmt);
void AUD_init (void);
void AUD_log (const char *cap, const char *fmt, ...)
__attribute__ ((__format__ (__printf__, 2, 3)));;
void AUD_close (SWVoice *sw);
int AUD_write (SWVoice *sw, void *pcm_buf, int size);
void AUD_adjust (SWVoice *sw, int leftover);
void AUD_reset (SWVoice *sw);
int AUD_get_free (SWVoice *sw);
int AUD_get_buffer_size (SWVoice *sw);
void AUD_run (void);
void AUD_enable (SWVoice *sw, int on);
int AUD_calc_elapsed (SWVoice *sw);
static inline void *advance (void *p, int incr)
{
uint8_t *d = p;
return (d + incr);
}
uint32_t popcount (uint32_t u);
inline uint32_t lsbindex (uint32_t u);
#define audio_MIN(a, b) ((a)>(b)?(b):(a))
#define audio_MAX(a, b) ((a)<(b)?(b):(a))
#endif /* audio.h */
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