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