fb065187e4
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1131 c046a42c-6fe2-441c-8c8c-71466251a162
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* QEMU Audio subsystem header
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*
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* Copyright (c) 2003-2004 Vassili Karpov (malc)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef QEMU_AUDIO_H
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#define QEMU_AUDIO_H
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#include "mixeng.h"
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typedef enum {
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AUD_FMT_U8,
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AUD_FMT_S8,
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AUD_FMT_U16,
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AUD_FMT_S16
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} audfmt_e;
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typedef struct SWVoice SWVoice;
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SWVoice * AUD_open (SWVoice *sw, const char *name, int freq,
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int nchannels, audfmt_e fmt);
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void AUD_init (void);
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void AUD_log (const char *cap, const char *fmt, ...)
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__attribute__ ((__format__ (__printf__, 2, 3)));;
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void AUD_close (SWVoice *sw);
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int AUD_write (SWVoice *sw, void *pcm_buf, int size);
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void AUD_adjust (SWVoice *sw, int leftover);
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void AUD_reset (SWVoice *sw);
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int AUD_get_free (SWVoice *sw);
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int AUD_get_buffer_size (SWVoice *sw);
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void AUD_run (void);
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void AUD_enable (SWVoice *sw, int on);
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int AUD_calc_elapsed (SWVoice *sw);
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static inline void *advance (void *p, int incr)
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{
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uint8_t *d = p;
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return (d + incr);
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}
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uint32_t popcount (uint32_t u);
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inline uint32_t lsbindex (uint32_t u);
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#define audio_MIN(a, b) ((a)>(b)?(b):(a))
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#define audio_MAX(a, b) ((a)<(b)?(b):(a))
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#endif /* audio.h */
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