| /* |
| * 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 |
| |
| #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 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 poll_mode; |
| int pending_disable; |
| struct audio_pcm_info info; |
| |
| f_sample *clip; |
| |
| int rpos; |
| uint64_t ts_helper; |
| |
| struct st_sample *mix_buf; |
| |
| int samples; |
| QLIST_HEAD (sw_out_listhead, SWVoiceOut) sw_head; |
| QLIST_HEAD (sw_cap_listhead, SWVoiceCap) cap_head; |
| int ctl_caps; |
| struct audio_pcm_ops *pcm_ops; |
| QLIST_ENTRY (HWVoiceOut) entries; |
| } HWVoiceOut; |
| |
| typedef struct HWVoiceIn { |
| int enabled; |
| int poll_mode; |
| struct audio_pcm_info info; |
| |
| t_sample *conv; |
| |
| int wpos; |
| int total_samples_captured; |
| uint64_t ts_helper; |
| |
| struct st_sample *conv_buf; |
| |
| int samples; |
| QLIST_HEAD (sw_in_listhead, SWVoiceIn) sw_head; |
| int ctl_caps; |
| struct audio_pcm_ops *pcm_ops; |
| QLIST_ENTRY (HWVoiceIn) entries; |
| } HWVoiceIn; |
| |
| struct SWVoiceOut { |
| QEMUSoundCard *card; |
| struct audio_pcm_info info; |
| t_sample *conv; |
| int64_t ratio; |
| struct st_sample *buf; |
| void *rate; |
| int total_hw_samples_mixed; |
| int active; |
| int empty; |
| HWVoiceOut *hw; |
| char *name; |
| struct mixeng_volume vol; |
| struct audio_callback callback; |
| QLIST_ENTRY (SWVoiceOut) entries; |
| }; |
| |
| struct SWVoiceIn { |
| QEMUSoundCard *card; |
| int active; |
| struct audio_pcm_info info; |
| int64_t ratio; |
| void *rate; |
| int total_hw_samples_acquired; |
| struct st_sample *buf; |
| f_sample *clip; |
| HWVoiceIn *hw; |
| char *name; |
| struct mixeng_volume vol; |
| struct audio_callback callback; |
| QLIST_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; |
| int ctl_caps; |
| }; |
| |
| struct audio_pcm_ops { |
| int (*init_out)(HWVoiceOut *hw, struct audsettings *as, void *drv_opaque); |
| void (*fini_out)(HWVoiceOut *hw); |
| int (*run_out) (HWVoiceOut *hw, int live); |
| int (*write) (SWVoiceOut *sw, void *buf, int size); |
| int (*ctl_out) (HWVoiceOut *hw, int cmd, ...); |
| |
| int (*init_in) (HWVoiceIn *hw, struct audsettings *as, void *drv_opaque); |
| 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; |
| QLIST_ENTRY (capture_callback) entries; |
| }; |
| |
| struct CaptureVoiceOut { |
| HWVoiceOut hw; |
| void *buf; |
| QLIST_HEAD (cb_listhead, capture_callback) cb_head; |
| QLIST_ENTRY (CaptureVoiceOut) entries; |
| }; |
| |
| struct SWVoiceCap { |
| SWVoiceOut sw; |
| CaptureVoiceOut *cap; |
| QLIST_ENTRY (SWVoiceCap) entries; |
| }; |
| |
| struct AudioState { |
| struct audio_driver *drv; |
| void *drv_opaque; |
| |
| QEMUTimer *ts; |
| QLIST_HEAD (card_listhead, QEMUSoundCard) card_head; |
| QLIST_HEAD (hw_in_listhead, HWVoiceIn) hw_head_in; |
| QLIST_HEAD (hw_out_listhead, HWVoiceOut) hw_head_out; |
| QLIST_HEAD (cap_listhead, CaptureVoiceOut) cap_head; |
| int nb_hw_voices_out; |
| int nb_hw_voices_in; |
| int vm_running; |
| }; |
| |
| 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 wav_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 pa_audio_driver; |
| extern struct audio_driver spice_audio_driver; |
| extern const struct mixeng_volume nominal_volume; |
| |
| void audio_pcm_init_info (struct audio_pcm_info *info, struct audsettings *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_clip_out (HWVoiceOut *hw, void *pcm_buf, |
| int live, int pending); |
| |
| int audio_bug (const char *funcname, int cond); |
| void *audio_calloc (const char *funcname, int nmemb, size_t size); |
| |
| void audio_run (const char *msg); |
| |
| #define VOICE_ENABLE 1 |
| #define VOICE_DISABLE 2 |
| #define VOICE_VOLUME 3 |
| |
| #define VOICE_VOLUME_CAP (1 << VOICE_VOLUME) |
| |
| static inline int audio_ring_dist (int dst, int src, int len) |
| { |
| return (dst >= src) ? (dst - src) : (len - src + dst); |
| } |
| |
| #define dolog(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__) |
| |
| #ifdef DEBUG |
| #define ldebug(fmt, ...) AUD_log(AUDIO_CAP, fmt, ## __VA_ARGS__) |
| #else |
| #define ldebug(fmt, ...) (void)0 |
| #endif |
| |
| #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 /* QEMU_AUDIO_INT_H */ |