The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* |
| 2 | * QEMU Audio subsystem header |
| 3 | * |
| 4 | * Copyright (c) 2003-2005 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 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 27 | #include "config-host.h" |
| 28 | #include "qemu-queue.h" |
David 'Digit' Turner | 9d6baf0 | 2010-05-11 16:27:37 -0700 | [diff] [blame] | 29 | #include "qemu-common.h" /* For QEMUTimer */ |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 30 | |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 31 | typedef void (*audio_callback_fn) (void *opaque, int avail); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 32 | |
| 33 | typedef enum { |
| 34 | AUD_FMT_U8, |
| 35 | AUD_FMT_S8, |
| 36 | AUD_FMT_U16, |
| 37 | AUD_FMT_S16, |
| 38 | AUD_FMT_U32, |
| 39 | AUD_FMT_S32 |
| 40 | } audfmt_e; |
| 41 | |
David 'Digit' Turner | 20894ae | 2010-05-10 17:07:36 -0700 | [diff] [blame] | 42 | #ifdef HOST_WORDS_BIGENDIAN |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 43 | #define AUDIO_HOST_ENDIANNESS 1 |
| 44 | #else |
| 45 | #define AUDIO_HOST_ENDIANNESS 0 |
| 46 | #endif |
| 47 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 48 | struct audsettings { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 49 | int freq; |
| 50 | int nchannels; |
| 51 | audfmt_e fmt; |
| 52 | int endianness; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 53 | }; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 54 | |
| 55 | typedef enum { |
| 56 | AUD_CNOTIFY_ENABLE, |
| 57 | AUD_CNOTIFY_DISABLE |
| 58 | } audcnotification_e; |
| 59 | |
| 60 | struct audio_capture_ops { |
| 61 | void (*notify) (void *opaque, audcnotification_e cmd); |
| 62 | void (*capture) (void *opaque, void *buf, int size); |
| 63 | void (*destroy) (void *opaque); |
| 64 | }; |
| 65 | |
| 66 | struct capture_ops { |
| 67 | void (*info) (void *opaque); |
| 68 | void (*destroy) (void *opaque); |
| 69 | }; |
| 70 | |
| 71 | typedef struct CaptureState { |
| 72 | void *opaque; |
| 73 | struct capture_ops ops; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 74 | QLIST_ENTRY (CaptureState) entries; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 75 | } CaptureState; |
| 76 | |
| 77 | typedef struct SWVoiceOut SWVoiceOut; |
| 78 | typedef struct CaptureVoiceOut CaptureVoiceOut; |
| 79 | typedef struct SWVoiceIn SWVoiceIn; |
| 80 | |
| 81 | typedef struct QEMUSoundCard { |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 82 | char *name; |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 83 | QLIST_ENTRY (QEMUSoundCard) entries; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 84 | } QEMUSoundCard; |
| 85 | |
| 86 | typedef struct QEMUAudioTimeStamp { |
| 87 | uint64_t old_ts; |
| 88 | } QEMUAudioTimeStamp; |
| 89 | |
| 90 | void AUD_vlog (const char *cap, const char *fmt, va_list ap); |
| 91 | void AUD_log (const char *cap, const char *fmt, ...) |
| 92 | #ifdef __GNUC__ |
| 93 | __attribute__ ((__format__ (__printf__, 2, 3))) |
| 94 | #endif |
| 95 | ; |
| 96 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 97 | void AUD_help (void); |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 98 | void AUD_register_card (const char *name, QEMUSoundCard *card); |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 99 | void AUD_remove_card (QEMUSoundCard *card); |
| 100 | CaptureVoiceOut *AUD_add_capture ( |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 101 | struct audsettings *as, |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 102 | struct audio_capture_ops *ops, |
| 103 | void *opaque |
| 104 | ); |
| 105 | void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque); |
| 106 | |
| 107 | SWVoiceOut *AUD_open_out ( |
| 108 | QEMUSoundCard *card, |
| 109 | SWVoiceOut *sw, |
| 110 | const char *name, |
| 111 | void *callback_opaque, |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 112 | audio_callback_fn callback_fn, |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 113 | struct audsettings *settings |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 114 | ); |
| 115 | |
| 116 | void AUD_close_out (QEMUSoundCard *card, SWVoiceOut *sw); |
| 117 | int AUD_write (SWVoiceOut *sw, void *pcm_buf, int size); |
| 118 | int AUD_get_buffer_size_out (SWVoiceOut *sw); |
| 119 | void AUD_set_active_out (SWVoiceOut *sw, int on); |
| 120 | int AUD_is_active_out (SWVoiceOut *sw); |
| 121 | |
| 122 | void AUD_init_time_stamp_out (SWVoiceOut *sw, QEMUAudioTimeStamp *ts); |
| 123 | uint64_t AUD_get_elapsed_usec_out (SWVoiceOut *sw, QEMUAudioTimeStamp *ts); |
| 124 | |
| 125 | void AUD_set_volume_out (SWVoiceOut *sw, int mute, uint8_t lvol, uint8_t rvol); |
| 126 | void AUD_set_volume_in (SWVoiceIn *sw, int mute, uint8_t lvol, uint8_t rvol); |
| 127 | |
| 128 | SWVoiceIn *AUD_open_in ( |
| 129 | QEMUSoundCard *card, |
| 130 | SWVoiceIn *sw, |
| 131 | const char *name, |
| 132 | void *callback_opaque, |
David 'Digit' Turner | a5d4120 | 2010-05-10 18:37:10 -0700 | [diff] [blame] | 133 | audio_callback_fn callback_fn, |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 134 | struct audsettings *settings |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 135 | ); |
| 136 | |
| 137 | void AUD_close_in (QEMUSoundCard *card, SWVoiceIn *sw); |
| 138 | int AUD_read (SWVoiceIn *sw, void *pcm_buf, int size); |
| 139 | void AUD_set_active_in (SWVoiceIn *sw, int on); |
| 140 | int AUD_is_active_in (SWVoiceIn *sw); |
| 141 | |
| 142 | void AUD_init_time_stamp_in (SWVoiceIn *sw, QEMUAudioTimeStamp *ts); |
| 143 | uint64_t AUD_get_elapsed_usec_in (SWVoiceIn *sw, QEMUAudioTimeStamp *ts); |
| 144 | |
| 145 | static inline void *advance (void *p, int incr) |
| 146 | { |
| 147 | uint8_t *d = p; |
| 148 | return (d + incr); |
| 149 | } |
| 150 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 151 | #ifdef __GNUC__ |
| 152 | #define audio_MIN(a, b) ( __extension__ ({ \ |
| 153 | __typeof (a) ta = a; \ |
| 154 | __typeof (b) tb = b; \ |
| 155 | ((ta)>(tb)?(tb):(ta)); \ |
| 156 | })) |
| 157 | |
| 158 | #define audio_MAX(a, b) ( __extension__ ({ \ |
| 159 | __typeof (a) ta = a; \ |
| 160 | __typeof (b) tb = b; \ |
| 161 | ((ta)<(tb)?(tb):(ta)); \ |
| 162 | })) |
| 163 | #else |
| 164 | #define audio_MIN(a, b) ((a)>(b)?(b):(a)) |
| 165 | #define audio_MAX(a, b) ((a)<(b)?(b):(a)) |
| 166 | #endif |
| 167 | |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 168 | int wav_start_capture (CaptureState *s, const char *path, int freq, |
| 169 | int bits, int nchannels); |
| 170 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 171 | extern int |
| 172 | audio_get_backend_count( int is_input ); |
| 173 | |
| 174 | extern const char* |
| 175 | audio_get_backend_name( int is_input, int index, const char* *pinfo ); |
| 176 | |
| 177 | extern int |
| 178 | audio_check_backend_name( int is_input, const char* name ); |
| 179 | |
| 180 | #endif /* audio.h */ |