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Annotation of qemu/audio/audio.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * QEMU Audio subsystem header
                      3:  * 
                      4:  * Copyright (c) 2003-2004 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_AUDIO_H
                     25: #define QEMU_AUDIO_H
                     26: 
                     27: #include "mixeng.h"
                     28: 
                     29: typedef enum {
                     30:   AUD_FMT_U8,
                     31:   AUD_FMT_S8,
                     32:   AUD_FMT_U16,
                     33:   AUD_FMT_S16
                     34: } audfmt_e;
                     35: 
                     36: typedef struct SWVoice SWVoice;
                     37: 
                     38: SWVoice * AUD_open (SWVoice *sw, const char *name, int freq,
                     39:                     int nchannels, audfmt_e fmt);
                     40: void   AUD_init (void);
                     41: void   AUD_log (const char *cap, const char *fmt, ...)
                     42:     __attribute__ ((__format__ (__printf__, 2, 3)));;
                     43: void   AUD_close (SWVoice *sw);
                     44: int    AUD_write (SWVoice *sw, void *pcm_buf, int size);
                     45: void   AUD_adjust (SWVoice *sw, int leftover);
                     46: void   AUD_reset (SWVoice *sw);
                     47: int    AUD_get_free (SWVoice *sw);
                     48: int    AUD_get_buffer_size (SWVoice *sw);
                     49: void   AUD_run (void);
                     50: void   AUD_enable (SWVoice *sw, int on);
                     51: int    AUD_calc_elapsed (SWVoice *sw);
                     52: 
                     53: static inline void *advance (void *p, int incr)
                     54: {
                     55:     uint8_t *d = p;
                     56:     return (d + incr);
                     57: }
                     58: 
                     59: uint32_t popcount (uint32_t u);
                     60: inline uint32_t lsbindex (uint32_t u);
                     61: 
                     62: #define audio_MIN(a, b) ((a)>(b)?(b):(a))
                     63: #define audio_MAX(a, b) ((a)<(b)?(b):(a))
                     64: 
                     65: #endif  /* audio.h */

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