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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:35 -0800
commitf721e3ac031f892af46f255a47d7f54a91317b30 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /audio/audio_int.h
parentbae1bc39312d5019bd9a5b8d840a529213a69a17 (diff)
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auto import from //depot/cupcake/@135843
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diff --git a/audio/audio_int.h b/audio/audio_int.h
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-/*
- * QEMU Audio subsystem header
- *
- * Copyright (c) 2003-2005 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_INT_H
-#define QEMU_AUDIO_INT_H
-
-#include "audio/audio.h"
-
-#ifdef CONFIG_COREAUDIO
-#define FLOAT_MIXENG
-/* #define RECIPROCAL */
-#endif
-#include "mixeng.h"
-
-struct audio_pcm_ops;
-
-typedef enum {
- AUD_OPT_INT,
- AUD_OPT_FMT,
- AUD_OPT_STR,
- AUD_OPT_BOOL
-} audio_option_tag_e;
-
-struct audio_option {
- const char *name;
- audio_option_tag_e tag;
- void *valp;
- const char *descr;
- int *overriddenp;
- int overridden;
-};
-
-struct audio_callback {
- void *opaque;
- audio_callback_fn_t fn;
-};
-
-struct audio_pcm_info {
- int bits;
- int sign;
- int freq;
- int nchannels;
- int align;
- int shift;
- int bytes_per_second;
- int swap_endianness;
-};
-
-typedef struct SWVoiceCap SWVoiceCap;
-
-typedef struct HWVoiceOut {
- int enabled;
- int pending_disable;
- struct audio_pcm_info info;
-
- f_sample *clip;
-
- int rpos;
- uint64_t ts_helper;
-
- st_sample_t *mix_buf;
-
- int samples;
- LIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head;
- LIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head;
- struct audio_pcm_ops *pcm_ops;
- LIST_ENTRY (HWVoiceOut) entries;
-} HWVoiceOut;
-
-typedef struct HWVoiceIn {
- int enabled;
- struct audio_pcm_info info;
-
- t_sample *conv;
-
- int wpos;
- int total_samples_captured;
- uint64_t ts_helper;
-
- st_sample_t *conv_buf;
-
- int samples;
- LIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head;
- struct audio_pcm_ops *pcm_ops;
- LIST_ENTRY (HWVoiceIn) entries;
-} HWVoiceIn;
-
-struct SWVoiceOut {
- struct audio_pcm_info info;
- t_sample *conv;
- int64_t ratio;
- st_sample_t *buf;
- void *rate;
- int total_hw_samples_mixed;
- int active;
- int empty;
- HWVoiceOut *hw;
- char *name;
- volume_t vol;
- struct audio_callback callback;
- LIST_ENTRY (SWVoiceOut) entries;
-};
-
-struct SWVoiceIn {
- int active;
- struct audio_pcm_info info;
- int64_t ratio;
- void *rate;
- int total_hw_samples_acquired;
- st_sample_t *buf;
- f_sample *clip;
- HWVoiceIn *hw;
- char *name;
- volume_t vol;
- struct audio_callback callback;
- LIST_ENTRY (SWVoiceIn) entries;
-};
-
-struct audio_driver {
- const char *name;
- const char *descr;
- struct audio_option *options;
- void *(*init) (void);
- void (*fini) (void *);
- struct audio_pcm_ops *pcm_ops;
- int can_be_default;
- int max_voices_out;
- int max_voices_in;
- int voice_size_out;
- int voice_size_in;
-};
-
-struct audio_pcm_ops {
- int (*init_out)(HWVoiceOut *hw, audsettings_t *as);
- void (*fini_out)(HWVoiceOut *hw);
- int (*run_out) (HWVoiceOut *hw);
- int (*write) (SWVoiceOut *sw, void *buf, int size);
- int (*ctl_out) (HWVoiceOut *hw, int cmd, ...);
-
- int (*init_in) (HWVoiceIn *hw, audsettings_t *as);
- void (*fini_in) (HWVoiceIn *hw);
- int (*run_in) (HWVoiceIn *hw);
- int (*read) (SWVoiceIn *sw, void *buf, int size);
- int (*ctl_in) (HWVoiceIn *hw, int cmd, ...);
-};
-
-struct capture_callback {
- struct audio_capture_ops ops;
- void *opaque;
- LIST_ENTRY (capture_callback) entries;
-};
-
-struct CaptureVoiceOut {
- HWVoiceOut hw;
- void *buf;
- LIST_HEAD (cb_listhead, capture_callback) cb_head;
- LIST_ENTRY (CaptureVoiceOut) entries;
-};
-
-struct SWVoiceCap {
- SWVoiceOut sw;
- CaptureVoiceOut *cap;
- LIST_ENTRY (SWVoiceCap) entries;
-};
-
-struct AudioState {
- struct audio_driver* drv_in;
- void* drv_in_opaque;
- struct audio_driver* drv_out;
- void* drv_out_opaque;
-
- QEMUTimer *ts;
- LIST_HEAD (card_listhead, QEMUSoundCard) card_head;
- LIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in;
- LIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out;
- LIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head;
- int nb_hw_voices_out;
- int nb_hw_voices_in;
-};
-
-extern struct audio_driver no_audio_driver;
-extern struct audio_driver oss_audio_driver;
-extern struct audio_driver sdl_audio_driver;
-extern struct audio_driver win_audio_driver;
-extern struct audio_driver wav_audio_driver;
-extern struct audio_driver fmod_audio_driver;
-extern struct audio_driver esd_audio_driver;
-extern struct audio_driver alsa_audio_driver;
-extern struct audio_driver coreaudio_audio_driver;
-extern struct audio_driver dsound_audio_driver;
-extern struct audio_driver esd_audio_driver;
-extern volume_t nominal_volume;
-
-void audio_pcm_init_info (struct audio_pcm_info *info, audsettings_t *as);
-void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len);
-
-int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int len);
-int audio_pcm_hw_get_live_in (HWVoiceIn *hw);
-
-int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int len);
-int audio_pcm_hw_get_live_out (HWVoiceOut *hw);
-int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live);
-
-int audio_bug (const char *funcname, int cond);
-void *audio_calloc (const char *funcname, int nmemb, size_t size);
-
-#define VOICE_ENABLE 1
-#define VOICE_DISABLE 2
-
-static inline int audio_ring_dist (int dst, int src, int len)
-{
- return (dst >= src) ? (dst - src) : (len - src + dst);
-}
-
-#if defined __GNUC__
-#define GCC_ATTR __attribute__ ((__unused__, __format__ (__printf__, 1, 2)))
-#define INIT_FIELD(f) . f
-#define GCC_FMT_ATTR(n, m) __attribute__ ((__format__ (__printf__, n, m)))
-#else
-#define GCC_ATTR /**/
-#define INIT_FIELD(f) /**/
-#define GCC_FMT_ATTR(n, m)
-#endif
-
-static void GCC_ATTR dolog (const char *fmt, ...)
-{
- va_list ap;
-
- va_start (ap, fmt);
- AUD_vlog (AUDIO_CAP, fmt, ap);
- va_end (ap);
-}
-
-#ifdef DEBUG
-static void GCC_ATTR ldebug (const char *fmt, ...)
-{
- va_list ap;
-
- va_start (ap, fmt);
- AUD_vlog (AUDIO_CAP, fmt, ap);
- va_end (ap);
-}
-#else
-#if defined NDEBUG && defined __GNUC__
-#define ldebug(...)
-#elif defined NDEBUG && defined _MSC_VER
-#define ldebug __noop
-#else
-static void GCC_ATTR ldebug (const char *fmt, ...)
-{
- (void) fmt;
-}
-#endif
-#endif
-
-#undef GCC_ATTR
-
-#define AUDIO_STRINGIFY_(n) #n
-#define AUDIO_STRINGIFY(n) AUDIO_STRINGIFY_(n)
-
-#if defined _MSC_VER || defined __GNUC__
-#define AUDIO_FUNC __FUNCTION__
-#else
-#define AUDIO_FUNC __FILE__ ":" AUDIO_STRINGIFY (__LINE__)
-#endif
-
-#endif /* audio_int.h */