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1 | 85571bc7 | bellard | /*
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2 | 85571bc7 | bellard | * QEMU Audio subsystem header
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3 | 1d14ffa9 | bellard | *
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4 | 1d14ffa9 | bellard | * Copyright (c) 2003-2005 Vassili Karpov (malc)
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5 | 1d14ffa9 | bellard | *
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6 | 85571bc7 | bellard | * Permission is hereby granted, free of charge, to any person obtaining a copy
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7 | 85571bc7 | bellard | * of this software and associated documentation files (the "Software"), to deal
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8 | 85571bc7 | bellard | * in the Software without restriction, including without limitation the rights
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9 | 85571bc7 | bellard | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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10 | 85571bc7 | bellard | * copies of the Software, and to permit persons to whom the Software is
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11 | 85571bc7 | bellard | * furnished to do so, subject to the following conditions:
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12 | 85571bc7 | bellard | *
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13 | 85571bc7 | bellard | * The above copyright notice and this permission notice shall be included in
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14 | 85571bc7 | bellard | * all copies or substantial portions of the Software.
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15 | 85571bc7 | bellard | *
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16 | 85571bc7 | bellard | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 | 85571bc7 | bellard | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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18 | 85571bc7 | bellard | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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19 | 85571bc7 | bellard | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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20 | 85571bc7 | bellard | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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21 | 85571bc7 | bellard | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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22 | 85571bc7 | bellard | * THE SOFTWARE.
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23 | 85571bc7 | bellard | */
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24 | 85571bc7 | bellard | #ifndef QEMU_AUDIO_H
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25 | 85571bc7 | bellard | #define QEMU_AUDIO_H
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26 | 85571bc7 | bellard | |
27 | c0fe3827 | bellard | #include "sys-queue.h" |
28 | c0fe3827 | bellard | |
29 | 1d14ffa9 | bellard | typedef void (*audio_callback_fn_t) (void *opaque, int avail); |
30 | 85571bc7 | bellard | |
31 | 85571bc7 | bellard | typedef enum { |
32 | c0fe3827 | bellard | AUD_FMT_U8, |
33 | c0fe3827 | bellard | AUD_FMT_S8, |
34 | c0fe3827 | bellard | AUD_FMT_U16, |
35 | c0fe3827 | bellard | AUD_FMT_S16 |
36 | 85571bc7 | bellard | } audfmt_e; |
37 | 85571bc7 | bellard | |
38 | c0fe3827 | bellard | typedef struct { |
39 | c0fe3827 | bellard | int freq;
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40 | c0fe3827 | bellard | int nchannels;
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41 | c0fe3827 | bellard | audfmt_e fmt; |
42 | c0fe3827 | bellard | } audsettings_t; |
43 | c0fe3827 | bellard | |
44 | c0fe3827 | bellard | typedef struct AudioState AudioState; |
45 | 1d14ffa9 | bellard | typedef struct SWVoiceOut SWVoiceOut; |
46 | 1d14ffa9 | bellard | typedef struct SWVoiceIn SWVoiceIn; |
47 | 1d14ffa9 | bellard | |
48 | c0fe3827 | bellard | typedef struct QEMUSoundCard { |
49 | c0fe3827 | bellard | AudioState *audio; |
50 | c0fe3827 | bellard | char *name;
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51 | c0fe3827 | bellard | LIST_ENTRY (QEMUSoundCard) entries; |
52 | c0fe3827 | bellard | } QEMUSoundCard; |
53 | c0fe3827 | bellard | |
54 | 1d14ffa9 | bellard | typedef struct QEMUAudioTimeStamp { |
55 | 1d14ffa9 | bellard | uint64_t old_ts; |
56 | 1d14ffa9 | bellard | } QEMUAudioTimeStamp; |
57 | 1d14ffa9 | bellard | |
58 | 1d14ffa9 | bellard | void AUD_vlog (const char *cap, const char *fmt, va_list ap); |
59 | 1d14ffa9 | bellard | void AUD_log (const char *cap, const char *fmt, ...) |
60 | 1d14ffa9 | bellard | #ifdef __GNUC__
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61 | 1d14ffa9 | bellard | __attribute__ ((__format__ (__printf__, 2, 3))) |
62 | 1d14ffa9 | bellard | #endif
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63 | 1d14ffa9 | bellard | ; |
64 | 85571bc7 | bellard | |
65 | c0fe3827 | bellard | AudioState *AUD_init (void);
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66 | 1d14ffa9 | bellard | void AUD_help (void); |
67 | c0fe3827 | bellard | void AUD_register_card (AudioState *s, const char *name, QEMUSoundCard *card); |
68 | c0fe3827 | bellard | void AUD_remove_card (QEMUSoundCard *card);
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69 | 1d14ffa9 | bellard | |
70 | c0fe3827 | bellard | SWVoiceOut *AUD_open_out ( |
71 | c0fe3827 | bellard | QEMUSoundCard *card, |
72 | 1d14ffa9 | bellard | SWVoiceOut *sw, |
73 | 1d14ffa9 | bellard | const char *name, |
74 | 1d14ffa9 | bellard | void *callback_opaque,
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75 | 1d14ffa9 | bellard | audio_callback_fn_t callback_fn, |
76 | 571ec3d6 | bellard | audsettings_t *settings, |
77 | 571ec3d6 | bellard | int sw_endian
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78 | 1d14ffa9 | bellard | ); |
79 | c0fe3827 | bellard | |
80 | c0fe3827 | bellard | void AUD_close_out (QEMUSoundCard *card, SWVoiceOut *sw);
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81 | c0fe3827 | bellard | int AUD_write (SWVoiceOut *sw, void *pcm_buf, int size); |
82 | c0fe3827 | bellard | int AUD_get_buffer_size_out (SWVoiceOut *sw);
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83 | c0fe3827 | bellard | void AUD_set_active_out (SWVoiceOut *sw, int on); |
84 | c0fe3827 | bellard | int AUD_is_active_out (SWVoiceOut *sw);
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85 | c0fe3827 | bellard | |
86 | c0fe3827 | bellard | void AUD_init_time_stamp_out (SWVoiceOut *sw, QEMUAudioTimeStamp *ts);
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87 | c0fe3827 | bellard | uint64_t AUD_get_elapsed_usec_out (SWVoiceOut *sw, QEMUAudioTimeStamp *ts); |
88 | c0fe3827 | bellard | |
89 | c0fe3827 | bellard | SWVoiceIn *AUD_open_in ( |
90 | c0fe3827 | bellard | QEMUSoundCard *card, |
91 | 1d14ffa9 | bellard | SWVoiceIn *sw, |
92 | 1d14ffa9 | bellard | const char *name, |
93 | 1d14ffa9 | bellard | void *callback_opaque,
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94 | 1d14ffa9 | bellard | audio_callback_fn_t callback_fn, |
95 | 571ec3d6 | bellard | audsettings_t *settings, |
96 | 571ec3d6 | bellard | int sw_endian
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97 | 1d14ffa9 | bellard | ); |
98 | c0fe3827 | bellard | |
99 | c0fe3827 | bellard | void AUD_close_in (QEMUSoundCard *card, SWVoiceIn *sw);
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100 | c0fe3827 | bellard | int AUD_read (SWVoiceIn *sw, void *pcm_buf, int size); |
101 | c0fe3827 | bellard | void AUD_set_active_in (SWVoiceIn *sw, int on); |
102 | c0fe3827 | bellard | int AUD_is_active_in (SWVoiceIn *sw);
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103 | c0fe3827 | bellard | |
104 | c0fe3827 | bellard | void AUD_init_time_stamp_in (SWVoiceIn *sw, QEMUAudioTimeStamp *ts);
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105 | c0fe3827 | bellard | uint64_t AUD_get_elapsed_usec_in (SWVoiceIn *sw, QEMUAudioTimeStamp *ts); |
106 | 85571bc7 | bellard | |
107 | 85571bc7 | bellard | static inline void *advance (void *p, int incr) |
108 | 85571bc7 | bellard | { |
109 | 85571bc7 | bellard | uint8_t *d = p; |
110 | 85571bc7 | bellard | return (d + incr);
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111 | 85571bc7 | bellard | } |
112 | 85571bc7 | bellard | |
113 | 85571bc7 | bellard | uint32_t popcount (uint32_t u); |
114 | 85571bc7 | bellard | inline uint32_t lsbindex (uint32_t u);
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115 | 85571bc7 | bellard | |
116 | 1d14ffa9 | bellard | #ifdef __GNUC__
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117 | 1d14ffa9 | bellard | #define audio_MIN(a, b) ( __extension__ ({ \
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118 | 1d14ffa9 | bellard | __typeof (a) ta = a; \ |
119 | 1d14ffa9 | bellard | __typeof (b) tb = b; \ |
120 | 1d14ffa9 | bellard | ((ta)>(tb)?(tb):(ta)); \ |
121 | 1d14ffa9 | bellard | })) |
122 | 1d14ffa9 | bellard | |
123 | 1d14ffa9 | bellard | #define audio_MAX(a, b) ( __extension__ ({ \
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124 | 1d14ffa9 | bellard | __typeof (a) ta = a; \ |
125 | 1d14ffa9 | bellard | __typeof (b) tb = b; \ |
126 | 1d14ffa9 | bellard | ((ta)<(tb)?(tb):(ta)); \ |
127 | 1d14ffa9 | bellard | })) |
128 | 1d14ffa9 | bellard | #else
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129 | 85571bc7 | bellard | #define audio_MIN(a, b) ((a)>(b)?(b):(a))
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130 | 85571bc7 | bellard | #define audio_MAX(a, b) ((a)<(b)?(b):(a))
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131 | 1d14ffa9 | bellard | #endif
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132 | 85571bc7 | bellard | |
133 | 85571bc7 | bellard | #endif /* audio.h */ |