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1 | 85571bc7 | bellard | /*
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2 | 85571bc7 | bellard | * QEMU Audio subsystem
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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 | #include "vl.h" |
25 | 85571bc7 | bellard | |
26 | 1d14ffa9 | bellard | #define AUDIO_CAP "audio" |
27 | 1d14ffa9 | bellard | #include "audio_int.h" |
28 | 85571bc7 | bellard | |
29 | 1d14ffa9 | bellard | /* #define DEBUG_PLIVE */
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30 | 1d14ffa9 | bellard | /* #define DEBUG_LIVE */
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31 | 1d14ffa9 | bellard | /* #define DEBUG_OUT */
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32 | 85571bc7 | bellard | |
33 | c0fe3827 | bellard | #define SW_NAME(sw) (sw)->name ? (sw)->name : "unknown" |
34 | c0fe3827 | bellard | |
35 | 1d14ffa9 | bellard | static struct audio_driver *drvtab[] = { |
36 | 1d14ffa9 | bellard | #ifdef CONFIG_OSS
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37 | 1d14ffa9 | bellard | &oss_audio_driver, |
38 | 1d14ffa9 | bellard | #endif
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39 | 1d14ffa9 | bellard | #ifdef CONFIG_ALSA
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40 | 1d14ffa9 | bellard | &alsa_audio_driver, |
41 | 1d14ffa9 | bellard | #endif
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42 | 1d14ffa9 | bellard | #ifdef CONFIG_COREAUDIO
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43 | 1d14ffa9 | bellard | &coreaudio_audio_driver, |
44 | 1d14ffa9 | bellard | #endif
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45 | 1d14ffa9 | bellard | #ifdef CONFIG_DSOUND
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46 | 1d14ffa9 | bellard | &dsound_audio_driver, |
47 | 1d14ffa9 | bellard | #endif
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48 | 1d14ffa9 | bellard | #ifdef CONFIG_FMOD
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49 | 1d14ffa9 | bellard | &fmod_audio_driver, |
50 | 1d14ffa9 | bellard | #endif
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51 | 1d14ffa9 | bellard | #ifdef CONFIG_SDL
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52 | 1d14ffa9 | bellard | &sdl_audio_driver, |
53 | 1d14ffa9 | bellard | #endif
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54 | 1d14ffa9 | bellard | &no_audio_driver, |
55 | 1d14ffa9 | bellard | &wav_audio_driver |
56 | 1d14ffa9 | bellard | }; |
57 | 85571bc7 | bellard | |
58 | c0fe3827 | bellard | struct fixed_settings {
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59 | c0fe3827 | bellard | int enabled;
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60 | c0fe3827 | bellard | int nb_voices;
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61 | c0fe3827 | bellard | int greedy;
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62 | c0fe3827 | bellard | audsettings_t settings; |
63 | c0fe3827 | bellard | }; |
64 | c0fe3827 | bellard | |
65 | c0fe3827 | bellard | static struct { |
66 | c0fe3827 | bellard | struct fixed_settings fixed_out;
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67 | c0fe3827 | bellard | struct fixed_settings fixed_in;
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68 | c0fe3827 | bellard | union {
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69 | c0fe3827 | bellard | int hz;
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70 | c0fe3827 | bellard | int64_t ticks; |
71 | c0fe3827 | bellard | } period; |
72 | c0fe3827 | bellard | int plive;
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73 | 541e0844 | bellard | int log_to_monitor;
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74 | c0fe3827 | bellard | } conf = { |
75 | c0fe3827 | bellard | { /* DAC fixed settings */
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76 | c0fe3827 | bellard | 1, /* enabled */ |
77 | c0fe3827 | bellard | 1, /* nb_voices */ |
78 | c0fe3827 | bellard | 1, /* greedy */ |
79 | c0fe3827 | bellard | { |
80 | c0fe3827 | bellard | 44100, /* freq */ |
81 | c0fe3827 | bellard | 2, /* nchannels */ |
82 | c0fe3827 | bellard | AUD_FMT_S16 /* fmt */
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83 | c0fe3827 | bellard | } |
84 | c0fe3827 | bellard | }, |
85 | c0fe3827 | bellard | |
86 | c0fe3827 | bellard | { /* ADC fixed settings */
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87 | c0fe3827 | bellard | 1, /* enabled */ |
88 | c0fe3827 | bellard | 1, /* nb_voices */ |
89 | c0fe3827 | bellard | 1, /* greedy */ |
90 | c0fe3827 | bellard | { |
91 | c0fe3827 | bellard | 44100, /* freq */ |
92 | c0fe3827 | bellard | 2, /* nchannels */ |
93 | c0fe3827 | bellard | AUD_FMT_S16 /* fmt */
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94 | c0fe3827 | bellard | } |
95 | c0fe3827 | bellard | }, |
96 | c0fe3827 | bellard | |
97 | 1d14ffa9 | bellard | { 0 }, /* period */ |
98 | 541e0844 | bellard | 0, /* plive */ |
99 | 571ec3d6 | bellard | 0 /* log_to_monitor */ |
100 | 1d14ffa9 | bellard | }; |
101 | 1d14ffa9 | bellard | |
102 | c0fe3827 | bellard | static AudioState glob_audio_state;
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103 | c0fe3827 | bellard | |
104 | 1d14ffa9 | bellard | volume_t nominal_volume = { |
105 | 1d14ffa9 | bellard | 0,
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106 | 1d14ffa9 | bellard | #ifdef FLOAT_MIXENG
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107 | 1d14ffa9 | bellard | 1.0, |
108 | 1d14ffa9 | bellard | 1.0 |
109 | 1d14ffa9 | bellard | #else
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110 | 1d14ffa9 | bellard | UINT_MAX, |
111 | 1d14ffa9 | bellard | UINT_MAX |
112 | 1d14ffa9 | bellard | #endif
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113 | 85571bc7 | bellard | }; |
114 | 85571bc7 | bellard | |
115 | 85571bc7 | bellard | /* http://www.df.lth.se/~john_e/gems/gem002d.html */
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116 | 85571bc7 | bellard | /* http://www.multi-platforms.com/Tips/PopCount.htm */
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117 | 85571bc7 | bellard | uint32_t popcount (uint32_t u) |
118 | 85571bc7 | bellard | { |
119 | 85571bc7 | bellard | u = ((u&0x55555555) + ((u>>1)&0x55555555)); |
120 | 85571bc7 | bellard | u = ((u&0x33333333) + ((u>>2)&0x33333333)); |
121 | 85571bc7 | bellard | u = ((u&0x0f0f0f0f) + ((u>>4)&0x0f0f0f0f)); |
122 | 85571bc7 | bellard | u = ((u&0x00ff00ff) + ((u>>8)&0x00ff00ff)); |
123 | 85571bc7 | bellard | u = ( u&0x0000ffff) + (u>>16); |
124 | 85571bc7 | bellard | return u;
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125 | 85571bc7 | bellard | } |
126 | 85571bc7 | bellard | |
127 | 85571bc7 | bellard | inline uint32_t lsbindex (uint32_t u)
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128 | 85571bc7 | bellard | { |
129 | 85571bc7 | bellard | return popcount ((u&-u)-1); |
130 | 85571bc7 | bellard | } |
131 | 85571bc7 | bellard | |
132 | 1d14ffa9 | bellard | #ifdef AUDIO_IS_FLAWLESS_AND_NO_CHECKS_ARE_REQURIED
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133 | 1d14ffa9 | bellard | #error No its not
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134 | 1d14ffa9 | bellard | #else
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135 | 1d14ffa9 | bellard | int audio_bug (const char *funcname, int cond) |
136 | 85571bc7 | bellard | { |
137 | 1d14ffa9 | bellard | if (cond) {
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138 | 1d14ffa9 | bellard | static int shown; |
139 | 1d14ffa9 | bellard | |
140 | 1d14ffa9 | bellard | AUD_log (NULL, "Error a bug that was just triggered in %s\n", funcname); |
141 | 1d14ffa9 | bellard | if (!shown) {
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142 | 1d14ffa9 | bellard | shown = 1;
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143 | 1d14ffa9 | bellard | AUD_log (NULL, "Save all your work and restart without audio\n"); |
144 | 1d14ffa9 | bellard | AUD_log (NULL, "Please send bug report to malc@pulsesoft.com\n"); |
145 | 1d14ffa9 | bellard | AUD_log (NULL, "I am sorry\n"); |
146 | 1d14ffa9 | bellard | } |
147 | 1d14ffa9 | bellard | AUD_log (NULL, "Context:\n"); |
148 | 1d14ffa9 | bellard | |
149 | 1d14ffa9 | bellard | #if defined AUDIO_BREAKPOINT_ON_BUG
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150 | 1d14ffa9 | bellard | # if defined HOST_I386
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151 | 1d14ffa9 | bellard | # if defined __GNUC__
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152 | 1d14ffa9 | bellard | __asm__ ("int3");
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153 | 1d14ffa9 | bellard | # elif defined _MSC_VER
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154 | 1d14ffa9 | bellard | _asm _emit 0xcc;
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155 | 1d14ffa9 | bellard | # else
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156 | 1d14ffa9 | bellard | abort (); |
157 | 1d14ffa9 | bellard | # endif
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158 | 1d14ffa9 | bellard | # else
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159 | 1d14ffa9 | bellard | abort (); |
160 | 1d14ffa9 | bellard | # endif
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161 | 1d14ffa9 | bellard | #endif
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162 | 85571bc7 | bellard | } |
163 | 85571bc7 | bellard | |
164 | 1d14ffa9 | bellard | return cond;
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165 | 85571bc7 | bellard | } |
166 | 1d14ffa9 | bellard | #endif
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167 | 85571bc7 | bellard | |
168 | c0fe3827 | bellard | void *audio_calloc (const char *funcname, int nmemb, size_t size) |
169 | c0fe3827 | bellard | { |
170 | c0fe3827 | bellard | int cond;
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171 | c0fe3827 | bellard | size_t len; |
172 | c0fe3827 | bellard | |
173 | c0fe3827 | bellard | len = nmemb * size; |
174 | c0fe3827 | bellard | cond = !nmemb || !size; |
175 | c0fe3827 | bellard | cond |= nmemb < 0;
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176 | c0fe3827 | bellard | cond |= len < size; |
177 | c0fe3827 | bellard | |
178 | c0fe3827 | bellard | if (audio_bug ("audio_calloc", cond)) { |
179 | c0fe3827 | bellard | AUD_log (NULL, "%s passed invalid arguments to audio_calloc\n", |
180 | c0fe3827 | bellard | funcname); |
181 | 541e0844 | bellard | AUD_log (NULL, "nmemb=%d size=%zu (len=%zu)\n", nmemb, size, len); |
182 | c0fe3827 | bellard | return NULL; |
183 | c0fe3827 | bellard | } |
184 | c0fe3827 | bellard | |
185 | c0fe3827 | bellard | return qemu_mallocz (len);
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186 | c0fe3827 | bellard | } |
187 | c0fe3827 | bellard | |
188 | 1d14ffa9 | bellard | static char *audio_alloc_prefix (const char *s) |
189 | 85571bc7 | bellard | { |
190 | 1d14ffa9 | bellard | const char qemu_prefix[] = "QEMU_"; |
191 | 1d14ffa9 | bellard | size_t len; |
192 | 1d14ffa9 | bellard | char *r;
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193 | 85571bc7 | bellard | |
194 | 1d14ffa9 | bellard | if (!s) {
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195 | 1d14ffa9 | bellard | return NULL; |
196 | 1d14ffa9 | bellard | } |
197 | 85571bc7 | bellard | |
198 | 1d14ffa9 | bellard | len = strlen (s); |
199 | 1d14ffa9 | bellard | r = qemu_malloc (len + sizeof (qemu_prefix));
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200 | 85571bc7 | bellard | |
201 | 1d14ffa9 | bellard | if (r) {
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202 | 1d14ffa9 | bellard | size_t i; |
203 | 1d14ffa9 | bellard | char *u = r + sizeof (qemu_prefix) - 1; |
204 | 85571bc7 | bellard | |
205 | 1d14ffa9 | bellard | strcpy (r, qemu_prefix); |
206 | 1d14ffa9 | bellard | strcat (r, s); |
207 | 1d14ffa9 | bellard | |
208 | 1d14ffa9 | bellard | for (i = 0; i < len; ++i) { |
209 | 1d14ffa9 | bellard | u[i] = toupper (u[i]); |
210 | 1d14ffa9 | bellard | } |
211 | 85571bc7 | bellard | } |
212 | 1d14ffa9 | bellard | return r;
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213 | 85571bc7 | bellard | } |
214 | 85571bc7 | bellard | |
215 | 1d14ffa9 | bellard | const char *audio_audfmt_to_string (audfmt_e fmt) |
216 | 85571bc7 | bellard | { |
217 | 1d14ffa9 | bellard | switch (fmt) {
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218 | 1d14ffa9 | bellard | case AUD_FMT_U8:
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219 | 1d14ffa9 | bellard | return "U8"; |
220 | 85571bc7 | bellard | |
221 | 1d14ffa9 | bellard | case AUD_FMT_U16:
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222 | 1d14ffa9 | bellard | return "U16"; |
223 | 85571bc7 | bellard | |
224 | 85571bc7 | bellard | case AUD_FMT_S8:
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225 | 1d14ffa9 | bellard | return "S8"; |
226 | 85571bc7 | bellard | |
227 | 85571bc7 | bellard | case AUD_FMT_S16:
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228 | 1d14ffa9 | bellard | return "S16"; |
229 | 85571bc7 | bellard | } |
230 | 85571bc7 | bellard | |
231 | 1d14ffa9 | bellard | dolog ("Bogus audfmt %d returning S16\n", fmt);
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232 | 1d14ffa9 | bellard | return "S16"; |
233 | 85571bc7 | bellard | } |
234 | 85571bc7 | bellard | |
235 | 1d14ffa9 | bellard | audfmt_e audio_string_to_audfmt (const char *s, audfmt_e defval, int *defaultp) |
236 | 85571bc7 | bellard | { |
237 | 1d14ffa9 | bellard | if (!strcasecmp (s, "u8")) { |
238 | 1d14ffa9 | bellard | *defaultp = 0;
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239 | 1d14ffa9 | bellard | return AUD_FMT_U8;
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240 | 1d14ffa9 | bellard | } |
241 | 1d14ffa9 | bellard | else if (!strcasecmp (s, "u16")) { |
242 | 1d14ffa9 | bellard | *defaultp = 0;
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243 | 1d14ffa9 | bellard | return AUD_FMT_U16;
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244 | 1d14ffa9 | bellard | } |
245 | 1d14ffa9 | bellard | else if (!strcasecmp (s, "s8")) { |
246 | 1d14ffa9 | bellard | *defaultp = 0;
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247 | 1d14ffa9 | bellard | return AUD_FMT_S8;
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248 | 1d14ffa9 | bellard | } |
249 | 1d14ffa9 | bellard | else if (!strcasecmp (s, "s16")) { |
250 | 1d14ffa9 | bellard | *defaultp = 0;
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251 | 1d14ffa9 | bellard | return AUD_FMT_S16;
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252 | 1d14ffa9 | bellard | } |
253 | 1d14ffa9 | bellard | else {
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254 | 1d14ffa9 | bellard | dolog ("Bogus audio format `%s' using %s\n",
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255 | 1d14ffa9 | bellard | s, audio_audfmt_to_string (defval)); |
256 | 1d14ffa9 | bellard | *defaultp = 1;
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257 | 1d14ffa9 | bellard | return defval;
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258 | 1d14ffa9 | bellard | } |
259 | 85571bc7 | bellard | } |
260 | 85571bc7 | bellard | |
261 | 1d14ffa9 | bellard | static audfmt_e audio_get_conf_fmt (const char *envname, |
262 | 1d14ffa9 | bellard | audfmt_e defval, |
263 | 1d14ffa9 | bellard | int *defaultp)
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264 | 85571bc7 | bellard | { |
265 | 1d14ffa9 | bellard | const char *var = getenv (envname); |
266 | 1d14ffa9 | bellard | if (!var) {
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267 | 1d14ffa9 | bellard | *defaultp = 1;
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268 | 1d14ffa9 | bellard | return defval;
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269 | 85571bc7 | bellard | } |
270 | 1d14ffa9 | bellard | return audio_string_to_audfmt (var, defval, defaultp);
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271 | 85571bc7 | bellard | } |
272 | 85571bc7 | bellard | |
273 | 1d14ffa9 | bellard | static int audio_get_conf_int (const char *key, int defval, int *defaultp) |
274 | 85571bc7 | bellard | { |
275 | 1d14ffa9 | bellard | int val;
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276 | 1d14ffa9 | bellard | char *strval;
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277 | 85571bc7 | bellard | |
278 | 1d14ffa9 | bellard | strval = getenv (key); |
279 | 1d14ffa9 | bellard | if (strval) {
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280 | 1d14ffa9 | bellard | *defaultp = 0;
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281 | 1d14ffa9 | bellard | val = atoi (strval); |
282 | 1d14ffa9 | bellard | return val;
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283 | 1d14ffa9 | bellard | } |
284 | 1d14ffa9 | bellard | else {
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285 | 1d14ffa9 | bellard | *defaultp = 1;
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286 | 1d14ffa9 | bellard | return defval;
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287 | 1d14ffa9 | bellard | } |
288 | 85571bc7 | bellard | } |
289 | 85571bc7 | bellard | |
290 | 1d14ffa9 | bellard | static const char *audio_get_conf_str (const char *key, |
291 | 1d14ffa9 | bellard | const char *defval, |
292 | 1d14ffa9 | bellard | int *defaultp)
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293 | 85571bc7 | bellard | { |
294 | 1d14ffa9 | bellard | const char *val = getenv (key); |
295 | 1d14ffa9 | bellard | if (!val) {
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296 | 1d14ffa9 | bellard | *defaultp = 1;
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297 | 1d14ffa9 | bellard | return defval;
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298 | 1d14ffa9 | bellard | } |
299 | 1d14ffa9 | bellard | else {
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300 | 1d14ffa9 | bellard | *defaultp = 0;
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301 | 1d14ffa9 | bellard | return val;
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302 | 85571bc7 | bellard | } |
303 | 85571bc7 | bellard | } |
304 | 85571bc7 | bellard | |
305 | 541e0844 | bellard | void AUD_vlog (const char *cap, const char *fmt, va_list ap) |
306 | 85571bc7 | bellard | { |
307 | 541e0844 | bellard | if (conf.log_to_monitor) {
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308 | 541e0844 | bellard | if (cap) {
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309 | 541e0844 | bellard | term_printf ("%s: ", cap);
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310 | 541e0844 | bellard | } |
311 | 541e0844 | bellard | |
312 | 541e0844 | bellard | term_vprintf (fmt, ap); |
313 | 541e0844 | bellard | } |
314 | 541e0844 | bellard | else {
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315 | 541e0844 | bellard | if (cap) {
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316 | 541e0844 | bellard | fprintf (stderr, "%s: ", cap);
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317 | 541e0844 | bellard | } |
318 | 541e0844 | bellard | |
319 | 541e0844 | bellard | vfprintf (stderr, fmt, ap); |
320 | 85571bc7 | bellard | } |
321 | 85571bc7 | bellard | } |
322 | 85571bc7 | bellard | |
323 | 541e0844 | bellard | void AUD_log (const char *cap, const char *fmt, ...) |
324 | 85571bc7 | bellard | { |
325 | 541e0844 | bellard | va_list ap; |
326 | 541e0844 | bellard | |
327 | 541e0844 | bellard | va_start (ap, fmt); |
328 | 541e0844 | bellard | AUD_vlog (cap, fmt, ap); |
329 | 541e0844 | bellard | va_end (ap); |
330 | 85571bc7 | bellard | } |
331 | 85571bc7 | bellard | |
332 | 1d14ffa9 | bellard | static void audio_print_options (const char *prefix, |
333 | 1d14ffa9 | bellard | struct audio_option *opt)
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334 | 85571bc7 | bellard | { |
335 | 1d14ffa9 | bellard | char *uprefix;
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336 | 1d14ffa9 | bellard | |
337 | 1d14ffa9 | bellard | if (!prefix) {
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338 | 1d14ffa9 | bellard | dolog ("No prefix specified\n");
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339 | 1d14ffa9 | bellard | return;
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340 | 1d14ffa9 | bellard | } |
341 | 1d14ffa9 | bellard | |
342 | 1d14ffa9 | bellard | if (!opt) {
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343 | 1d14ffa9 | bellard | dolog ("No options\n");
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344 | 85571bc7 | bellard | return;
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345 | 1d14ffa9 | bellard | } |
346 | 85571bc7 | bellard | |
347 | 1d14ffa9 | bellard | uprefix = audio_alloc_prefix (prefix); |
348 | 85571bc7 | bellard | |
349 | 1d14ffa9 | bellard | for (; opt->name; opt++) {
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350 | 1d14ffa9 | bellard | const char *state = "default"; |
351 | 1d14ffa9 | bellard | printf (" %s_%s: ", uprefix, opt->name);
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352 | 85571bc7 | bellard | |
353 | 1d14ffa9 | bellard | if (opt->overridenp && *opt->overridenp) {
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354 | 1d14ffa9 | bellard | state = "current";
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355 | 1d14ffa9 | bellard | } |
356 | 85571bc7 | bellard | |
357 | 1d14ffa9 | bellard | switch (opt->tag) {
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358 | 1d14ffa9 | bellard | case AUD_OPT_BOOL:
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359 | 1d14ffa9 | bellard | { |
360 | 1d14ffa9 | bellard | int *intp = opt->valp;
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361 | 1d14ffa9 | bellard | printf ("boolean, %s = %d\n", state, *intp ? 1 : 0); |
362 | 1d14ffa9 | bellard | } |
363 | 1d14ffa9 | bellard | break;
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364 | 1d14ffa9 | bellard | |
365 | 1d14ffa9 | bellard | case AUD_OPT_INT:
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366 | 1d14ffa9 | bellard | { |
367 | 1d14ffa9 | bellard | int *intp = opt->valp;
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368 | 1d14ffa9 | bellard | printf ("integer, %s = %d\n", state, *intp);
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369 | 1d14ffa9 | bellard | } |
370 | 1d14ffa9 | bellard | break;
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371 | 1d14ffa9 | bellard | |
372 | 1d14ffa9 | bellard | case AUD_OPT_FMT:
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373 | 1d14ffa9 | bellard | { |
374 | 1d14ffa9 | bellard | audfmt_e *fmtp = opt->valp; |
375 | 1d14ffa9 | bellard | printf ( |
376 | 1d14ffa9 | bellard | "format, %s = %s, (one of: U8 S8 U16 S16)\n",
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377 | 1d14ffa9 | bellard | state, |
378 | 1d14ffa9 | bellard | audio_audfmt_to_string (*fmtp) |
379 | 1d14ffa9 | bellard | ); |
380 | 1d14ffa9 | bellard | } |
381 | 1d14ffa9 | bellard | break;
|
382 | 1d14ffa9 | bellard | |
383 | 1d14ffa9 | bellard | case AUD_OPT_STR:
|
384 | 1d14ffa9 | bellard | { |
385 | 1d14ffa9 | bellard | const char **strp = opt->valp; |
386 | 1d14ffa9 | bellard | printf ("string, %s = %s\n",
|
387 | 1d14ffa9 | bellard | state, |
388 | 1d14ffa9 | bellard | *strp ? *strp : "(not set)");
|
389 | 85571bc7 | bellard | } |
390 | 1d14ffa9 | bellard | break;
|
391 | 1d14ffa9 | bellard | |
392 | 1d14ffa9 | bellard | default:
|
393 | 1d14ffa9 | bellard | printf ("???\n");
|
394 | 1d14ffa9 | bellard | dolog ("Bad value tag for option %s_%s %d\n",
|
395 | 1d14ffa9 | bellard | uprefix, opt->name, opt->tag); |
396 | 1d14ffa9 | bellard | break;
|
397 | 85571bc7 | bellard | } |
398 | 1d14ffa9 | bellard | printf (" %s\n", opt->descr);
|
399 | 85571bc7 | bellard | } |
400 | 1d14ffa9 | bellard | |
401 | 1d14ffa9 | bellard | qemu_free (uprefix); |
402 | 85571bc7 | bellard | } |
403 | 85571bc7 | bellard | |
404 | 1d14ffa9 | bellard | static void audio_process_options (const char *prefix, |
405 | 1d14ffa9 | bellard | struct audio_option *opt)
|
406 | 85571bc7 | bellard | { |
407 | 1d14ffa9 | bellard | char *optname;
|
408 | 1d14ffa9 | bellard | const char qemu_prefix[] = "QEMU_"; |
409 | 1d14ffa9 | bellard | size_t preflen; |
410 | 85571bc7 | bellard | |
411 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, !prefix)) {
|
412 | 1d14ffa9 | bellard | dolog ("prefix = NULL\n");
|
413 | 1d14ffa9 | bellard | return;
|
414 | 1d14ffa9 | bellard | } |
415 | 85571bc7 | bellard | |
416 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, !opt)) {
|
417 | 1d14ffa9 | bellard | dolog ("opt = NULL\n");
|
418 | 1d14ffa9 | bellard | return;
|
419 | 85571bc7 | bellard | } |
420 | 85571bc7 | bellard | |
421 | 1d14ffa9 | bellard | preflen = strlen (prefix); |
422 | 85571bc7 | bellard | |
423 | 1d14ffa9 | bellard | for (; opt->name; opt++) {
|
424 | 1d14ffa9 | bellard | size_t len, i; |
425 | 1d14ffa9 | bellard | int def;
|
426 | 1d14ffa9 | bellard | |
427 | 1d14ffa9 | bellard | if (!opt->valp) {
|
428 | 1d14ffa9 | bellard | dolog ("Option value pointer for `%s' is not set\n",
|
429 | 1d14ffa9 | bellard | opt->name); |
430 | 1d14ffa9 | bellard | continue;
|
431 | 1d14ffa9 | bellard | } |
432 | 1d14ffa9 | bellard | |
433 | 1d14ffa9 | bellard | len = strlen (opt->name); |
434 | c0fe3827 | bellard | /* len of opt->name + len of prefix + size of qemu_prefix
|
435 | c0fe3827 | bellard | * (includes trailing zero) + zero + underscore (on behalf of
|
436 | c0fe3827 | bellard | * sizeof) */
|
437 | 1d14ffa9 | bellard | optname = qemu_malloc (len + preflen + sizeof (qemu_prefix) + 1); |
438 | 1d14ffa9 | bellard | if (!optname) {
|
439 | c0fe3827 | bellard | dolog ("Could not allocate memory for option name `%s'\n",
|
440 | 1d14ffa9 | bellard | opt->name); |
441 | 1d14ffa9 | bellard | continue;
|
442 | 1d14ffa9 | bellard | } |
443 | 1d14ffa9 | bellard | |
444 | 1d14ffa9 | bellard | strcpy (optname, qemu_prefix); |
445 | c0fe3827 | bellard | |
446 | c0fe3827 | bellard | /* copy while upper-casing, including trailing zero */
|
447 | 1d14ffa9 | bellard | for (i = 0; i <= preflen; ++i) { |
448 | 1d14ffa9 | bellard | optname[i + sizeof (qemu_prefix) - 1] = toupper (prefix[i]); |
449 | 1d14ffa9 | bellard | } |
450 | 1d14ffa9 | bellard | strcat (optname, "_");
|
451 | 1d14ffa9 | bellard | strcat (optname, opt->name); |
452 | 1d14ffa9 | bellard | |
453 | 1d14ffa9 | bellard | def = 1;
|
454 | 1d14ffa9 | bellard | switch (opt->tag) {
|
455 | 1d14ffa9 | bellard | case AUD_OPT_BOOL:
|
456 | 1d14ffa9 | bellard | case AUD_OPT_INT:
|
457 | 1d14ffa9 | bellard | { |
458 | 1d14ffa9 | bellard | int *intp = opt->valp;
|
459 | 1d14ffa9 | bellard | *intp = audio_get_conf_int (optname, *intp, &def); |
460 | 1d14ffa9 | bellard | } |
461 | 1d14ffa9 | bellard | break;
|
462 | 1d14ffa9 | bellard | |
463 | 1d14ffa9 | bellard | case AUD_OPT_FMT:
|
464 | 1d14ffa9 | bellard | { |
465 | 1d14ffa9 | bellard | audfmt_e *fmtp = opt->valp; |
466 | 1d14ffa9 | bellard | *fmtp = audio_get_conf_fmt (optname, *fmtp, &def); |
467 | 1d14ffa9 | bellard | } |
468 | 1d14ffa9 | bellard | break;
|
469 | 1d14ffa9 | bellard | |
470 | 1d14ffa9 | bellard | case AUD_OPT_STR:
|
471 | 1d14ffa9 | bellard | { |
472 | 1d14ffa9 | bellard | const char **strp = opt->valp; |
473 | 1d14ffa9 | bellard | *strp = audio_get_conf_str (optname, *strp, &def); |
474 | 1d14ffa9 | bellard | } |
475 | 1d14ffa9 | bellard | break;
|
476 | 1d14ffa9 | bellard | |
477 | 1d14ffa9 | bellard | default:
|
478 | 1d14ffa9 | bellard | dolog ("Bad value tag for option `%s' - %d\n",
|
479 | 1d14ffa9 | bellard | optname, opt->tag); |
480 | 85571bc7 | bellard | break;
|
481 | 85571bc7 | bellard | } |
482 | 85571bc7 | bellard | |
483 | 1d14ffa9 | bellard | if (!opt->overridenp) {
|
484 | 1d14ffa9 | bellard | opt->overridenp = &opt->overriden; |
485 | 1d14ffa9 | bellard | } |
486 | 1d14ffa9 | bellard | *opt->overridenp = !def; |
487 | 1d14ffa9 | bellard | qemu_free (optname); |
488 | 1d14ffa9 | bellard | } |
489 | 85571bc7 | bellard | } |
490 | 85571bc7 | bellard | |
491 | c0fe3827 | bellard | static void audio_print_settings (audsettings_t *as) |
492 | c0fe3827 | bellard | { |
493 | c0fe3827 | bellard | dolog ("frequency=%d nchannels=%d fmt=", as->freq, as->nchannels);
|
494 | c0fe3827 | bellard | |
495 | c0fe3827 | bellard | switch (as->fmt) {
|
496 | c0fe3827 | bellard | case AUD_FMT_S8:
|
497 | c0fe3827 | bellard | AUD_log (NULL, "S8"); |
498 | c0fe3827 | bellard | break;
|
499 | c0fe3827 | bellard | case AUD_FMT_U8:
|
500 | c0fe3827 | bellard | AUD_log (NULL, "U8"); |
501 | c0fe3827 | bellard | break;
|
502 | c0fe3827 | bellard | case AUD_FMT_S16:
|
503 | c0fe3827 | bellard | AUD_log (NULL, "S16"); |
504 | c0fe3827 | bellard | break;
|
505 | c0fe3827 | bellard | case AUD_FMT_U16:
|
506 | c0fe3827 | bellard | AUD_log (NULL, "U16"); |
507 | c0fe3827 | bellard | break;
|
508 | c0fe3827 | bellard | default:
|
509 | c0fe3827 | bellard | AUD_log (NULL, "invalid(%d)", as->fmt); |
510 | c0fe3827 | bellard | break;
|
511 | c0fe3827 | bellard | } |
512 | c0fe3827 | bellard | AUD_log (NULL, "\n"); |
513 | c0fe3827 | bellard | } |
514 | c0fe3827 | bellard | |
515 | c0fe3827 | bellard | static int audio_validate_settigs (audsettings_t *as) |
516 | c0fe3827 | bellard | { |
517 | c0fe3827 | bellard | int invalid;
|
518 | c0fe3827 | bellard | |
519 | c0fe3827 | bellard | invalid = as->nchannels != 1 && as->nchannels != 2; |
520 | c0fe3827 | bellard | |
521 | c0fe3827 | bellard | switch (as->fmt) {
|
522 | c0fe3827 | bellard | case AUD_FMT_S8:
|
523 | c0fe3827 | bellard | case AUD_FMT_U8:
|
524 | c0fe3827 | bellard | case AUD_FMT_S16:
|
525 | c0fe3827 | bellard | case AUD_FMT_U16:
|
526 | c0fe3827 | bellard | break;
|
527 | c0fe3827 | bellard | default:
|
528 | c0fe3827 | bellard | invalid = 1;
|
529 | c0fe3827 | bellard | break;
|
530 | c0fe3827 | bellard | } |
531 | c0fe3827 | bellard | |
532 | c0fe3827 | bellard | invalid |= as->freq <= 0;
|
533 | c0fe3827 | bellard | |
534 | c0fe3827 | bellard | if (invalid) {
|
535 | c0fe3827 | bellard | return -1; |
536 | c0fe3827 | bellard | } |
537 | c0fe3827 | bellard | return 0; |
538 | c0fe3827 | bellard | } |
539 | c0fe3827 | bellard | |
540 | c0fe3827 | bellard | static int audio_pcm_info_eq (struct audio_pcm_info *info, audsettings_t *as) |
541 | 85571bc7 | bellard | { |
542 | 1d14ffa9 | bellard | int bits = 8, sign = 0; |
543 | 85571bc7 | bellard | |
544 | c0fe3827 | bellard | switch (as->fmt) {
|
545 | 1d14ffa9 | bellard | case AUD_FMT_S8:
|
546 | 1d14ffa9 | bellard | sign = 1;
|
547 | 1d14ffa9 | bellard | case AUD_FMT_U8:
|
548 | 1d14ffa9 | bellard | break;
|
549 | 1d14ffa9 | bellard | |
550 | 1d14ffa9 | bellard | case AUD_FMT_S16:
|
551 | 1d14ffa9 | bellard | sign = 1;
|
552 | 1d14ffa9 | bellard | case AUD_FMT_U16:
|
553 | 1d14ffa9 | bellard | bits = 16;
|
554 | 1d14ffa9 | bellard | break;
|
555 | 85571bc7 | bellard | } |
556 | c0fe3827 | bellard | return info->freq == as->freq
|
557 | c0fe3827 | bellard | && info->nchannels == as->nchannels |
558 | 1d14ffa9 | bellard | && info->sign == sign |
559 | 1d14ffa9 | bellard | && info->bits == bits; |
560 | 1d14ffa9 | bellard | } |
561 | 85571bc7 | bellard | |
562 | c0fe3827 | bellard | void audio_pcm_init_info (
|
563 | c0fe3827 | bellard | struct audio_pcm_info *info,
|
564 | c0fe3827 | bellard | audsettings_t *as, |
565 | c0fe3827 | bellard | int swap_endian
|
566 | c0fe3827 | bellard | ) |
567 | 1d14ffa9 | bellard | { |
568 | 1d14ffa9 | bellard | int bits = 8, sign = 0; |
569 | 1d14ffa9 | bellard | |
570 | c0fe3827 | bellard | switch (as->fmt) {
|
571 | 85571bc7 | bellard | case AUD_FMT_S8:
|
572 | 85571bc7 | bellard | sign = 1;
|
573 | 85571bc7 | bellard | case AUD_FMT_U8:
|
574 | 85571bc7 | bellard | break;
|
575 | 85571bc7 | bellard | |
576 | 85571bc7 | bellard | case AUD_FMT_S16:
|
577 | 85571bc7 | bellard | sign = 1;
|
578 | 85571bc7 | bellard | case AUD_FMT_U16:
|
579 | 85571bc7 | bellard | bits = 16;
|
580 | 85571bc7 | bellard | break;
|
581 | 85571bc7 | bellard | } |
582 | 85571bc7 | bellard | |
583 | c0fe3827 | bellard | info->freq = as->freq; |
584 | 1d14ffa9 | bellard | info->bits = bits; |
585 | 1d14ffa9 | bellard | info->sign = sign; |
586 | c0fe3827 | bellard | info->nchannels = as->nchannels; |
587 | c0fe3827 | bellard | info->shift = (as->nchannels == 2) + (bits == 16); |
588 | 1d14ffa9 | bellard | info->align = (1 << info->shift) - 1; |
589 | 1d14ffa9 | bellard | info->bytes_per_second = info->freq << info->shift; |
590 | 1d14ffa9 | bellard | info->swap_endian = swap_endian; |
591 | 85571bc7 | bellard | } |
592 | 85571bc7 | bellard | |
593 | 1d14ffa9 | bellard | void audio_pcm_info_clear_buf (struct audio_pcm_info *info, void *buf, int len) |
594 | 85571bc7 | bellard | { |
595 | 1d14ffa9 | bellard | if (!len) {
|
596 | 1d14ffa9 | bellard | return;
|
597 | 1d14ffa9 | bellard | } |
598 | 1d14ffa9 | bellard | |
599 | 1d14ffa9 | bellard | if (info->sign) {
|
600 | 1d14ffa9 | bellard | memset (buf, len << info->shift, 0x00);
|
601 | 85571bc7 | bellard | } |
602 | 85571bc7 | bellard | else {
|
603 | 1d14ffa9 | bellard | if (info->bits == 8) { |
604 | 1d14ffa9 | bellard | memset (buf, len << info->shift, 0x80);
|
605 | 1d14ffa9 | bellard | } |
606 | 1d14ffa9 | bellard | else {
|
607 | 1d14ffa9 | bellard | int i;
|
608 | 1d14ffa9 | bellard | uint16_t *p = buf; |
609 | 1d14ffa9 | bellard | int shift = info->nchannels - 1; |
610 | 1d14ffa9 | bellard | short s = INT16_MAX;
|
611 | 1d14ffa9 | bellard | |
612 | 1d14ffa9 | bellard | if (info->swap_endian) {
|
613 | 1d14ffa9 | bellard | s = bswap16 (s); |
614 | 1d14ffa9 | bellard | } |
615 | 1d14ffa9 | bellard | |
616 | 1d14ffa9 | bellard | for (i = 0; i < len << shift; i++) { |
617 | 1d14ffa9 | bellard | p[i] = s; |
618 | 1d14ffa9 | bellard | } |
619 | 1d14ffa9 | bellard | } |
620 | 85571bc7 | bellard | } |
621 | 85571bc7 | bellard | } |
622 | 85571bc7 | bellard | |
623 | 1d14ffa9 | bellard | /*
|
624 | 1d14ffa9 | bellard | * Hard voice (capture)
|
625 | 1d14ffa9 | bellard | */
|
626 | c0fe3827 | bellard | static int audio_pcm_hw_find_min_in (HWVoiceIn *hw) |
627 | 85571bc7 | bellard | { |
628 | 1d14ffa9 | bellard | SWVoiceIn *sw; |
629 | 1d14ffa9 | bellard | int m = hw->total_samples_captured;
|
630 | 1d14ffa9 | bellard | |
631 | 1d14ffa9 | bellard | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
|
632 | 1d14ffa9 | bellard | if (sw->active) {
|
633 | 1d14ffa9 | bellard | m = audio_MIN (m, sw->total_hw_samples_acquired); |
634 | 1d14ffa9 | bellard | } |
635 | 85571bc7 | bellard | } |
636 | 1d14ffa9 | bellard | return m;
|
637 | 85571bc7 | bellard | } |
638 | 85571bc7 | bellard | |
639 | 1d14ffa9 | bellard | int audio_pcm_hw_get_live_in (HWVoiceIn *hw)
|
640 | 85571bc7 | bellard | { |
641 | 1d14ffa9 | bellard | int live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw);
|
642 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
643 | 1d14ffa9 | bellard | dolog ("live=%d hw->samples=%d\n", live, hw->samples);
|
644 | 1d14ffa9 | bellard | return 0; |
645 | 85571bc7 | bellard | } |
646 | 1d14ffa9 | bellard | return live;
|
647 | 85571bc7 | bellard | } |
648 | 85571bc7 | bellard | |
649 | 1d14ffa9 | bellard | /*
|
650 | 1d14ffa9 | bellard | * Soft voice (capture)
|
651 | 1d14ffa9 | bellard | */
|
652 | 1d14ffa9 | bellard | static int audio_pcm_sw_get_rpos_in (SWVoiceIn *sw) |
653 | 1d14ffa9 | bellard | { |
654 | 1d14ffa9 | bellard | HWVoiceIn *hw = sw->hw; |
655 | 1d14ffa9 | bellard | int live = hw->total_samples_captured - sw->total_hw_samples_acquired;
|
656 | 1d14ffa9 | bellard | int rpos;
|
657 | 1d14ffa9 | bellard | |
658 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
659 | 1d14ffa9 | bellard | dolog ("live=%d hw->samples=%d\n", live, hw->samples);
|
660 | 1d14ffa9 | bellard | return 0; |
661 | 1d14ffa9 | bellard | } |
662 | 1d14ffa9 | bellard | |
663 | 1d14ffa9 | bellard | rpos = hw->wpos - live; |
664 | 1d14ffa9 | bellard | if (rpos >= 0) { |
665 | 1d14ffa9 | bellard | return rpos;
|
666 | 85571bc7 | bellard | } |
667 | 85571bc7 | bellard | else {
|
668 | 1d14ffa9 | bellard | return hw->samples + rpos;
|
669 | 85571bc7 | bellard | } |
670 | 85571bc7 | bellard | } |
671 | 85571bc7 | bellard | |
672 | 1d14ffa9 | bellard | int audio_pcm_sw_read (SWVoiceIn *sw, void *buf, int size) |
673 | 85571bc7 | bellard | { |
674 | 1d14ffa9 | bellard | HWVoiceIn *hw = sw->hw; |
675 | 1d14ffa9 | bellard | int samples, live, ret = 0, swlim, isamp, osamp, rpos, total = 0; |
676 | 571ec3d6 | bellard | st_sample_t *src, *dst = sw->buf; |
677 | 1d14ffa9 | bellard | |
678 | 1d14ffa9 | bellard | rpos = audio_pcm_sw_get_rpos_in (sw) % hw->samples; |
679 | 1d14ffa9 | bellard | |
680 | 1d14ffa9 | bellard | live = hw->total_samples_captured - sw->total_hw_samples_acquired; |
681 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
682 | 1d14ffa9 | bellard | dolog ("live_in=%d hw->samples=%d\n", live, hw->samples);
|
683 | 1d14ffa9 | bellard | return 0; |
684 | 1d14ffa9 | bellard | } |
685 | 1d14ffa9 | bellard | |
686 | 1d14ffa9 | bellard | samples = size >> sw->info.shift; |
687 | 1d14ffa9 | bellard | if (!live) {
|
688 | 1d14ffa9 | bellard | return 0; |
689 | 1d14ffa9 | bellard | } |
690 | 85571bc7 | bellard | |
691 | 1d14ffa9 | bellard | swlim = (live * sw->ratio) >> 32;
|
692 | 1d14ffa9 | bellard | swlim = audio_MIN (swlim, samples); |
693 | 85571bc7 | bellard | |
694 | 1d14ffa9 | bellard | while (swlim) {
|
695 | 1d14ffa9 | bellard | src = hw->conv_buf + rpos; |
696 | 1d14ffa9 | bellard | isamp = hw->wpos - rpos; |
697 | 1d14ffa9 | bellard | /* XXX: <= ? */
|
698 | 1d14ffa9 | bellard | if (isamp <= 0) { |
699 | 1d14ffa9 | bellard | isamp = hw->samples - rpos; |
700 | 1d14ffa9 | bellard | } |
701 | 85571bc7 | bellard | |
702 | 1d14ffa9 | bellard | if (!isamp) {
|
703 | 1d14ffa9 | bellard | break;
|
704 | 1d14ffa9 | bellard | } |
705 | 1d14ffa9 | bellard | osamp = swlim; |
706 | 85571bc7 | bellard | |
707 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, osamp < 0)) { |
708 | 1d14ffa9 | bellard | dolog ("osamp=%d\n", osamp);
|
709 | c0fe3827 | bellard | return 0; |
710 | 1d14ffa9 | bellard | } |
711 | 85571bc7 | bellard | |
712 | 1d14ffa9 | bellard | st_rate_flow (sw->rate, src, dst, &isamp, &osamp); |
713 | 1d14ffa9 | bellard | swlim -= osamp; |
714 | 1d14ffa9 | bellard | rpos = (rpos + isamp) % hw->samples; |
715 | 1d14ffa9 | bellard | dst += osamp; |
716 | 1d14ffa9 | bellard | ret += osamp; |
717 | 1d14ffa9 | bellard | total += isamp; |
718 | 1d14ffa9 | bellard | } |
719 | 85571bc7 | bellard | |
720 | 571ec3d6 | bellard | sw->clip (buf, sw->buf, ret); |
721 | 1d14ffa9 | bellard | sw->total_hw_samples_acquired += total; |
722 | 1d14ffa9 | bellard | return ret << sw->info.shift;
|
723 | 85571bc7 | bellard | } |
724 | 85571bc7 | bellard | |
725 | 1d14ffa9 | bellard | /*
|
726 | 1d14ffa9 | bellard | * Hard voice (playback)
|
727 | 1d14ffa9 | bellard | */
|
728 | c0fe3827 | bellard | static int audio_pcm_hw_find_min_out (HWVoiceOut *hw, int *nb_livep) |
729 | 1d14ffa9 | bellard | { |
730 | c0fe3827 | bellard | SWVoiceOut *sw; |
731 | c0fe3827 | bellard | int m = INT_MAX;
|
732 | c0fe3827 | bellard | int nb_live = 0; |
733 | 85571bc7 | bellard | |
734 | c0fe3827 | bellard | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
|
735 | c0fe3827 | bellard | if (sw->active || !sw->empty) {
|
736 | c0fe3827 | bellard | m = audio_MIN (m, sw->total_hw_samples_mixed); |
737 | c0fe3827 | bellard | nb_live += 1;
|
738 | c0fe3827 | bellard | } |
739 | 85571bc7 | bellard | } |
740 | c0fe3827 | bellard | |
741 | c0fe3827 | bellard | *nb_livep = nb_live; |
742 | c0fe3827 | bellard | return m;
|
743 | 1d14ffa9 | bellard | } |
744 | 85571bc7 | bellard | |
745 | 1d14ffa9 | bellard | int audio_pcm_hw_get_live_out2 (HWVoiceOut *hw, int *nb_live) |
746 | 1d14ffa9 | bellard | { |
747 | 1d14ffa9 | bellard | int smin;
|
748 | 85571bc7 | bellard | |
749 | 1d14ffa9 | bellard | smin = audio_pcm_hw_find_min_out (hw, nb_live); |
750 | 1d14ffa9 | bellard | |
751 | 1d14ffa9 | bellard | if (!*nb_live) {
|
752 | 1d14ffa9 | bellard | return 0; |
753 | 85571bc7 | bellard | } |
754 | 85571bc7 | bellard | else {
|
755 | 1d14ffa9 | bellard | int live = smin;
|
756 | 1d14ffa9 | bellard | |
757 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
758 | 1d14ffa9 | bellard | dolog ("live=%d hw->samples=%d\n", live, hw->samples);
|
759 | 1d14ffa9 | bellard | return 0; |
760 | 85571bc7 | bellard | } |
761 | 1d14ffa9 | bellard | return live;
|
762 | 85571bc7 | bellard | } |
763 | 1d14ffa9 | bellard | } |
764 | 1d14ffa9 | bellard | |
765 | 1d14ffa9 | bellard | int audio_pcm_hw_get_live_out (HWVoiceOut *hw)
|
766 | 1d14ffa9 | bellard | { |
767 | 1d14ffa9 | bellard | int nb_live;
|
768 | 1d14ffa9 | bellard | int live;
|
769 | 85571bc7 | bellard | |
770 | 1d14ffa9 | bellard | live = audio_pcm_hw_get_live_out2 (hw, &nb_live); |
771 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
772 | 1d14ffa9 | bellard | dolog ("live=%d hw->samples=%d\n", live, hw->samples);
|
773 | 1d14ffa9 | bellard | return 0; |
774 | 85571bc7 | bellard | } |
775 | 1d14ffa9 | bellard | return live;
|
776 | 85571bc7 | bellard | } |
777 | 85571bc7 | bellard | |
778 | 1d14ffa9 | bellard | /*
|
779 | 1d14ffa9 | bellard | * Soft voice (playback)
|
780 | 1d14ffa9 | bellard | */
|
781 | 1d14ffa9 | bellard | int audio_pcm_sw_write (SWVoiceOut *sw, void *buf, int size) |
782 | 85571bc7 | bellard | { |
783 | 1d14ffa9 | bellard | int hwsamples, samples, isamp, osamp, wpos, live, dead, left, swlim, blck;
|
784 | 1d14ffa9 | bellard | int ret = 0, pos = 0, total = 0; |
785 | 85571bc7 | bellard | |
786 | 1d14ffa9 | bellard | if (!sw) {
|
787 | 1d14ffa9 | bellard | return size;
|
788 | 1d14ffa9 | bellard | } |
789 | 85571bc7 | bellard | |
790 | 1d14ffa9 | bellard | hwsamples = sw->hw->samples; |
791 | 85571bc7 | bellard | |
792 | 1d14ffa9 | bellard | live = sw->total_hw_samples_mixed; |
793 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > hwsamples)){ |
794 | 1d14ffa9 | bellard | dolog ("live=%d hw->samples=%d\n", live, hwsamples);
|
795 | 1d14ffa9 | bellard | return 0; |
796 | 1d14ffa9 | bellard | } |
797 | 85571bc7 | bellard | |
798 | 1d14ffa9 | bellard | if (live == hwsamples) {
|
799 | 1d14ffa9 | bellard | return 0; |
800 | 1d14ffa9 | bellard | } |
801 | 85571bc7 | bellard | |
802 | 1d14ffa9 | bellard | wpos = (sw->hw->rpos + live) % hwsamples; |
803 | 1d14ffa9 | bellard | samples = size >> sw->info.shift; |
804 | 85571bc7 | bellard | |
805 | 1d14ffa9 | bellard | dead = hwsamples - live; |
806 | 1d14ffa9 | bellard | swlim = ((int64_t) dead << 32) / sw->ratio;
|
807 | 1d14ffa9 | bellard | swlim = audio_MIN (swlim, samples); |
808 | 1d14ffa9 | bellard | if (swlim) {
|
809 | 1d14ffa9 | bellard | sw->conv (sw->buf, buf, swlim, &sw->vol); |
810 | 1d14ffa9 | bellard | } |
811 | 1d14ffa9 | bellard | |
812 | 1d14ffa9 | bellard | while (swlim) {
|
813 | 1d14ffa9 | bellard | dead = hwsamples - live; |
814 | 1d14ffa9 | bellard | left = hwsamples - wpos; |
815 | 1d14ffa9 | bellard | blck = audio_MIN (dead, left); |
816 | 1d14ffa9 | bellard | if (!blck) {
|
817 | 1d14ffa9 | bellard | break;
|
818 | 1d14ffa9 | bellard | } |
819 | 1d14ffa9 | bellard | isamp = swlim; |
820 | 1d14ffa9 | bellard | osamp = blck; |
821 | 1d14ffa9 | bellard | st_rate_flow_mix ( |
822 | 1d14ffa9 | bellard | sw->rate, |
823 | 1d14ffa9 | bellard | sw->buf + pos, |
824 | 1d14ffa9 | bellard | sw->hw->mix_buf + wpos, |
825 | 1d14ffa9 | bellard | &isamp, |
826 | 1d14ffa9 | bellard | &osamp |
827 | 1d14ffa9 | bellard | ); |
828 | 1d14ffa9 | bellard | ret += isamp; |
829 | 1d14ffa9 | bellard | swlim -= isamp; |
830 | 1d14ffa9 | bellard | pos += isamp; |
831 | 1d14ffa9 | bellard | live += osamp; |
832 | 1d14ffa9 | bellard | wpos = (wpos + osamp) % hwsamples; |
833 | 1d14ffa9 | bellard | total += osamp; |
834 | 1d14ffa9 | bellard | } |
835 | 1d14ffa9 | bellard | |
836 | 1d14ffa9 | bellard | sw->total_hw_samples_mixed += total; |
837 | 1d14ffa9 | bellard | sw->empty = sw->total_hw_samples_mixed == 0;
|
838 | 1d14ffa9 | bellard | |
839 | 1d14ffa9 | bellard | #ifdef DEBUG_OUT
|
840 | 1d14ffa9 | bellard | dolog ( |
841 | c0fe3827 | bellard | "%s: write size %d ret %d total sw %d\n",
|
842 | c0fe3827 | bellard | SW_NAME (sw), |
843 | 1d14ffa9 | bellard | size >> sw->info.shift, |
844 | 1d14ffa9 | bellard | ret, |
845 | c0fe3827 | bellard | sw->total_hw_samples_mixed |
846 | 1d14ffa9 | bellard | ); |
847 | 1d14ffa9 | bellard | #endif
|
848 | 1d14ffa9 | bellard | |
849 | 1d14ffa9 | bellard | return ret << sw->info.shift;
|
850 | 85571bc7 | bellard | } |
851 | 85571bc7 | bellard | |
852 | 1d14ffa9 | bellard | #ifdef DEBUG_AUDIO
|
853 | 1d14ffa9 | bellard | static void audio_pcm_print_info (const char *cap, struct audio_pcm_info *info) |
854 | 85571bc7 | bellard | { |
855 | 1d14ffa9 | bellard | dolog ("%s: bits %d, sign %d, freq %d, nchan %d\n",
|
856 | 1d14ffa9 | bellard | cap, info->bits, info->sign, info->freq, info->nchannels); |
857 | 85571bc7 | bellard | } |
858 | 1d14ffa9 | bellard | #endif
|
859 | 85571bc7 | bellard | |
860 | 1d14ffa9 | bellard | #define DAC
|
861 | 1d14ffa9 | bellard | #include "audio_template.h" |
862 | 1d14ffa9 | bellard | #undef DAC
|
863 | 1d14ffa9 | bellard | #include "audio_template.h" |
864 | 1d14ffa9 | bellard | |
865 | 1d14ffa9 | bellard | int AUD_write (SWVoiceOut *sw, void *buf, int size) |
866 | 85571bc7 | bellard | { |
867 | 1d14ffa9 | bellard | int bytes;
|
868 | 85571bc7 | bellard | |
869 | 1d14ffa9 | bellard | if (!sw) {
|
870 | 1d14ffa9 | bellard | /* XXX: Consider options */
|
871 | 1d14ffa9 | bellard | return size;
|
872 | 1d14ffa9 | bellard | } |
873 | 85571bc7 | bellard | |
874 | 1d14ffa9 | bellard | if (!sw->hw->enabled) {
|
875 | c0fe3827 | bellard | dolog ("Writing to disabled voice %s\n", SW_NAME (sw));
|
876 | 85571bc7 | bellard | return 0; |
877 | 85571bc7 | bellard | } |
878 | 85571bc7 | bellard | |
879 | 1d14ffa9 | bellard | bytes = sw->hw->pcm_ops->write (sw, buf, size); |
880 | 1d14ffa9 | bellard | return bytes;
|
881 | 1d14ffa9 | bellard | } |
882 | 1d14ffa9 | bellard | |
883 | 1d14ffa9 | bellard | int AUD_read (SWVoiceIn *sw, void *buf, int size) |
884 | 1d14ffa9 | bellard | { |
885 | 1d14ffa9 | bellard | int bytes;
|
886 | 85571bc7 | bellard | |
887 | 1d14ffa9 | bellard | if (!sw) {
|
888 | 1d14ffa9 | bellard | /* XXX: Consider options */
|
889 | 1d14ffa9 | bellard | return size;
|
890 | 85571bc7 | bellard | } |
891 | 1d14ffa9 | bellard | |
892 | 1d14ffa9 | bellard | if (!sw->hw->enabled) {
|
893 | c0fe3827 | bellard | dolog ("Reading from disabled voice %s\n", SW_NAME (sw));
|
894 | 1d14ffa9 | bellard | return 0; |
895 | 85571bc7 | bellard | } |
896 | 1d14ffa9 | bellard | |
897 | 1d14ffa9 | bellard | bytes = sw->hw->pcm_ops->read (sw, buf, size); |
898 | 1d14ffa9 | bellard | return bytes;
|
899 | 85571bc7 | bellard | } |
900 | 85571bc7 | bellard | |
901 | 1d14ffa9 | bellard | int AUD_get_buffer_size_out (SWVoiceOut *sw)
|
902 | 85571bc7 | bellard | { |
903 | c0fe3827 | bellard | return sw->hw->samples << sw->hw->info.shift;
|
904 | 1d14ffa9 | bellard | } |
905 | 1d14ffa9 | bellard | |
906 | 1d14ffa9 | bellard | void AUD_set_active_out (SWVoiceOut *sw, int on) |
907 | 1d14ffa9 | bellard | { |
908 | 1d14ffa9 | bellard | HWVoiceOut *hw; |
909 | 85571bc7 | bellard | |
910 | 1d14ffa9 | bellard | if (!sw) {
|
911 | 85571bc7 | bellard | return;
|
912 | 1d14ffa9 | bellard | } |
913 | 85571bc7 | bellard | |
914 | 85571bc7 | bellard | hw = sw->hw; |
915 | 1d14ffa9 | bellard | if (sw->active != on) {
|
916 | 1d14ffa9 | bellard | SWVoiceOut *temp_sw; |
917 | 1d14ffa9 | bellard | |
918 | 1d14ffa9 | bellard | if (on) {
|
919 | 1d14ffa9 | bellard | int total;
|
920 | 1d14ffa9 | bellard | |
921 | 1d14ffa9 | bellard | hw->pending_disable = 0;
|
922 | 1d14ffa9 | bellard | if (!hw->enabled) {
|
923 | 1d14ffa9 | bellard | hw->enabled = 1;
|
924 | 1d14ffa9 | bellard | hw->pcm_ops->ctl_out (hw, VOICE_ENABLE); |
925 | 1d14ffa9 | bellard | } |
926 | 1d14ffa9 | bellard | |
927 | 1d14ffa9 | bellard | if (sw->empty) {
|
928 | 1d14ffa9 | bellard | total = 0;
|
929 | 1d14ffa9 | bellard | } |
930 | 1d14ffa9 | bellard | } |
931 | 1d14ffa9 | bellard | else {
|
932 | 1d14ffa9 | bellard | if (hw->enabled) {
|
933 | 1d14ffa9 | bellard | int nb_active = 0; |
934 | 1d14ffa9 | bellard | |
935 | 1d14ffa9 | bellard | for (temp_sw = hw->sw_head.lh_first; temp_sw;
|
936 | 1d14ffa9 | bellard | temp_sw = temp_sw->entries.le_next) { |
937 | 1d14ffa9 | bellard | nb_active += temp_sw->active != 0;
|
938 | 1d14ffa9 | bellard | } |
939 | 1d14ffa9 | bellard | |
940 | 1d14ffa9 | bellard | hw->pending_disable = nb_active == 1;
|
941 | 1d14ffa9 | bellard | } |
942 | 85571bc7 | bellard | } |
943 | 1d14ffa9 | bellard | sw->active = on; |
944 | 1d14ffa9 | bellard | } |
945 | 1d14ffa9 | bellard | } |
946 | 1d14ffa9 | bellard | |
947 | 1d14ffa9 | bellard | void AUD_set_active_in (SWVoiceIn *sw, int on) |
948 | 1d14ffa9 | bellard | { |
949 | 1d14ffa9 | bellard | HWVoiceIn *hw; |
950 | 1d14ffa9 | bellard | |
951 | 1d14ffa9 | bellard | if (!sw) {
|
952 | 1d14ffa9 | bellard | return;
|
953 | 85571bc7 | bellard | } |
954 | 85571bc7 | bellard | |
955 | 1d14ffa9 | bellard | hw = sw->hw; |
956 | 85571bc7 | bellard | if (sw->active != on) {
|
957 | 1d14ffa9 | bellard | SWVoiceIn *temp_sw; |
958 | 1d14ffa9 | bellard | |
959 | 85571bc7 | bellard | if (on) {
|
960 | 85571bc7 | bellard | if (!hw->enabled) {
|
961 | 85571bc7 | bellard | hw->enabled = 1;
|
962 | 1d14ffa9 | bellard | hw->pcm_ops->ctl_in (hw, VOICE_ENABLE); |
963 | 85571bc7 | bellard | } |
964 | 1d14ffa9 | bellard | sw->total_hw_samples_acquired = hw->total_samples_captured; |
965 | 85571bc7 | bellard | } |
966 | 85571bc7 | bellard | else {
|
967 | 1d14ffa9 | bellard | if (hw->enabled) {
|
968 | 85571bc7 | bellard | int nb_active = 0; |
969 | 1d14ffa9 | bellard | |
970 | 1d14ffa9 | bellard | for (temp_sw = hw->sw_head.lh_first; temp_sw;
|
971 | 1d14ffa9 | bellard | temp_sw = temp_sw->entries.le_next) { |
972 | 1d14ffa9 | bellard | nb_active += temp_sw->active != 0;
|
973 | 85571bc7 | bellard | } |
974 | 85571bc7 | bellard | |
975 | 85571bc7 | bellard | if (nb_active == 1) { |
976 | 1d14ffa9 | bellard | hw->enabled = 0;
|
977 | 1d14ffa9 | bellard | hw->pcm_ops->ctl_in (hw, VOICE_DISABLE); |
978 | 85571bc7 | bellard | } |
979 | 85571bc7 | bellard | } |
980 | 85571bc7 | bellard | } |
981 | 85571bc7 | bellard | sw->active = on; |
982 | 85571bc7 | bellard | } |
983 | 85571bc7 | bellard | } |
984 | 85571bc7 | bellard | |
985 | 1d14ffa9 | bellard | static int audio_get_avail (SWVoiceIn *sw) |
986 | 1d14ffa9 | bellard | { |
987 | 1d14ffa9 | bellard | int live;
|
988 | 1d14ffa9 | bellard | |
989 | 1d14ffa9 | bellard | if (!sw) {
|
990 | 1d14ffa9 | bellard | return 0; |
991 | 1d14ffa9 | bellard | } |
992 | 1d14ffa9 | bellard | |
993 | 1d14ffa9 | bellard | live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired; |
994 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { |
995 | 1d14ffa9 | bellard | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples);
|
996 | 1d14ffa9 | bellard | return 0; |
997 | 1d14ffa9 | bellard | } |
998 | 1d14ffa9 | bellard | |
999 | 1d14ffa9 | bellard | ldebug ( |
1000 | 1d14ffa9 | bellard | "%s: get_avail live %d ret %lld\n",
|
1001 | c0fe3827 | bellard | SW_NAME (sw), |
1002 | 1d14ffa9 | bellard | live, (((int64_t) live << 32) / sw->ratio) << sw->info.shift
|
1003 | 1d14ffa9 | bellard | ); |
1004 | 1d14ffa9 | bellard | |
1005 | 1d14ffa9 | bellard | return (((int64_t) live << 32) / sw->ratio) << sw->info.shift; |
1006 | 1d14ffa9 | bellard | } |
1007 | 1d14ffa9 | bellard | |
1008 | 1d14ffa9 | bellard | static int audio_get_free (SWVoiceOut *sw) |
1009 | 1d14ffa9 | bellard | { |
1010 | 1d14ffa9 | bellard | int live, dead;
|
1011 | 1d14ffa9 | bellard | |
1012 | 1d14ffa9 | bellard | if (!sw) {
|
1013 | 1d14ffa9 | bellard | return 0; |
1014 | 1d14ffa9 | bellard | } |
1015 | 1d14ffa9 | bellard | |
1016 | 1d14ffa9 | bellard | live = sw->total_hw_samples_mixed; |
1017 | 1d14ffa9 | bellard | |
1018 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > sw->hw->samples)) { |
1019 | 1d14ffa9 | bellard | dolog ("live=%d sw->hw->samples=%d\n", live, sw->hw->samples);
|
1020 | c0fe3827 | bellard | return 0; |
1021 | 1d14ffa9 | bellard | } |
1022 | 1d14ffa9 | bellard | |
1023 | 1d14ffa9 | bellard | dead = sw->hw->samples - live; |
1024 | 1d14ffa9 | bellard | |
1025 | 1d14ffa9 | bellard | #ifdef DEBUG_OUT
|
1026 | 1d14ffa9 | bellard | dolog ("%s: get_free live %d dead %d ret %lld\n",
|
1027 | c0fe3827 | bellard | SW_NAME (sw), |
1028 | 1d14ffa9 | bellard | live, dead, (((int64_t) dead << 32) / sw->ratio) << sw->info.shift);
|
1029 | 85571bc7 | bellard | #endif
|
1030 | 1d14ffa9 | bellard | |
1031 | 1d14ffa9 | bellard | return (((int64_t) dead << 32) / sw->ratio) << sw->info.shift; |
1032 | 1d14ffa9 | bellard | } |
1033 | 1d14ffa9 | bellard | |
1034 | c0fe3827 | bellard | static void audio_run_out (AudioState *s) |
1035 | 1d14ffa9 | bellard | { |
1036 | 1d14ffa9 | bellard | HWVoiceOut *hw = NULL;
|
1037 | 1d14ffa9 | bellard | SWVoiceOut *sw; |
1038 | 1d14ffa9 | bellard | |
1039 | c0fe3827 | bellard | while ((hw = audio_pcm_hw_find_any_enabled_out (s, hw))) {
|
1040 | 1d14ffa9 | bellard | int played;
|
1041 | c0fe3827 | bellard | int live, free, nb_live, cleanup_required;
|
1042 | 1d14ffa9 | bellard | |
1043 | 1d14ffa9 | bellard | live = audio_pcm_hw_get_live_out2 (hw, &nb_live); |
1044 | 1d14ffa9 | bellard | if (!nb_live) {
|
1045 | 1d14ffa9 | bellard | live = 0;
|
1046 | 1d14ffa9 | bellard | } |
1047 | c0fe3827 | bellard | |
1048 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, live < 0 || live > hw->samples)) { |
1049 | 1d14ffa9 | bellard | dolog ("live=%d hw->samples=%d\n", live, hw->samples);
|
1050 | c0fe3827 | bellard | continue;
|
1051 | 1d14ffa9 | bellard | } |
1052 | 1d14ffa9 | bellard | |
1053 | 1d14ffa9 | bellard | if (hw->pending_disable && !nb_live) {
|
1054 | 1d14ffa9 | bellard | #ifdef DEBUG_OUT
|
1055 | 1d14ffa9 | bellard | dolog ("Disabling voice\n");
|
1056 | 85571bc7 | bellard | #endif
|
1057 | 1d14ffa9 | bellard | hw->enabled = 0;
|
1058 | 1d14ffa9 | bellard | hw->pending_disable = 0;
|
1059 | 1d14ffa9 | bellard | hw->pcm_ops->ctl_out (hw, VOICE_DISABLE); |
1060 | 1d14ffa9 | bellard | continue;
|
1061 | 1d14ffa9 | bellard | } |
1062 | 1d14ffa9 | bellard | |
1063 | 1d14ffa9 | bellard | if (!live) {
|
1064 | 1d14ffa9 | bellard | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
|
1065 | 1d14ffa9 | bellard | if (sw->active) {
|
1066 | 1d14ffa9 | bellard | free = audio_get_free (sw); |
1067 | 1d14ffa9 | bellard | if (free > 0) { |
1068 | 1d14ffa9 | bellard | sw->callback.fn (sw->callback.opaque, free); |
1069 | 1d14ffa9 | bellard | } |
1070 | 1d14ffa9 | bellard | } |
1071 | 1d14ffa9 | bellard | } |
1072 | 1d14ffa9 | bellard | continue;
|
1073 | 1d14ffa9 | bellard | } |
1074 | 1d14ffa9 | bellard | |
1075 | 1d14ffa9 | bellard | played = hw->pcm_ops->run_out (hw); |
1076 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, hw->rpos >= hw->samples)) {
|
1077 | 1d14ffa9 | bellard | dolog ("hw->rpos=%d hw->samples=%d played=%d\n",
|
1078 | 1d14ffa9 | bellard | hw->rpos, hw->samples, played); |
1079 | 1d14ffa9 | bellard | hw->rpos = 0;
|
1080 | 1d14ffa9 | bellard | } |
1081 | 1d14ffa9 | bellard | |
1082 | 1d14ffa9 | bellard | #ifdef DEBUG_OUT
|
1083 | c0fe3827 | bellard | dolog ("played=%d\n", played);
|
1084 | 85571bc7 | bellard | #endif
|
1085 | 1d14ffa9 | bellard | |
1086 | 1d14ffa9 | bellard | if (played) {
|
1087 | 1d14ffa9 | bellard | hw->ts_helper += played; |
1088 | 1d14ffa9 | bellard | } |
1089 | 1d14ffa9 | bellard | |
1090 | c0fe3827 | bellard | cleanup_required = 0;
|
1091 | 1d14ffa9 | bellard | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
|
1092 | 1d14ffa9 | bellard | if (!sw->active && sw->empty) {
|
1093 | 1d14ffa9 | bellard | continue;
|
1094 | 1d14ffa9 | bellard | } |
1095 | 1d14ffa9 | bellard | |
1096 | 1d14ffa9 | bellard | if (audio_bug (AUDIO_FUNC, played > sw->total_hw_samples_mixed)) {
|
1097 | 1d14ffa9 | bellard | dolog ("played=%d sw->total_hw_samples_mixed=%d\n",
|
1098 | 1d14ffa9 | bellard | played, sw->total_hw_samples_mixed); |
1099 | 1d14ffa9 | bellard | played = sw->total_hw_samples_mixed; |
1100 | 1d14ffa9 | bellard | } |
1101 | 1d14ffa9 | bellard | |
1102 | 1d14ffa9 | bellard | sw->total_hw_samples_mixed -= played; |
1103 | 1d14ffa9 | bellard | |
1104 | 1d14ffa9 | bellard | if (!sw->total_hw_samples_mixed) {
|
1105 | 1d14ffa9 | bellard | sw->empty = 1;
|
1106 | c0fe3827 | bellard | cleanup_required |= !sw->active && !sw->callback.fn; |
1107 | 1d14ffa9 | bellard | } |
1108 | 1d14ffa9 | bellard | |
1109 | 1d14ffa9 | bellard | if (sw->active) {
|
1110 | 1d14ffa9 | bellard | free = audio_get_free (sw); |
1111 | 1d14ffa9 | bellard | if (free > 0) { |
1112 | 1d14ffa9 | bellard | sw->callback.fn (sw->callback.opaque, free); |
1113 | 1d14ffa9 | bellard | } |
1114 | 1d14ffa9 | bellard | } |
1115 | 1d14ffa9 | bellard | } |
1116 | c0fe3827 | bellard | |
1117 | c0fe3827 | bellard | if (cleanup_required) {
|
1118 | c0fe3827 | bellard | restart:
|
1119 | c0fe3827 | bellard | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
|
1120 | c0fe3827 | bellard | if (!sw->active && !sw->callback.fn) {
|
1121 | c0fe3827 | bellard | #ifdef DEBUG_PLIVE
|
1122 | c0fe3827 | bellard | dolog ("Finishing with old voice\n");
|
1123 | c0fe3827 | bellard | #endif
|
1124 | c0fe3827 | bellard | audio_close_out (s, sw); |
1125 | c0fe3827 | bellard | goto restart; /* play it safe */ |
1126 | c0fe3827 | bellard | } |
1127 | c0fe3827 | bellard | } |
1128 | c0fe3827 | bellard | } |
1129 | 1d14ffa9 | bellard | } |
1130 | 1d14ffa9 | bellard | } |
1131 | 1d14ffa9 | bellard | |
1132 | c0fe3827 | bellard | static void audio_run_in (AudioState *s) |
1133 | 1d14ffa9 | bellard | { |
1134 | 1d14ffa9 | bellard | HWVoiceIn *hw = NULL;
|
1135 | 1d14ffa9 | bellard | |
1136 | c0fe3827 | bellard | while ((hw = audio_pcm_hw_find_any_enabled_in (s, hw))) {
|
1137 | 1d14ffa9 | bellard | SWVoiceIn *sw; |
1138 | 1d14ffa9 | bellard | int captured, min;
|
1139 | 1d14ffa9 | bellard | |
1140 | 1d14ffa9 | bellard | captured = hw->pcm_ops->run_in (hw); |
1141 | 1d14ffa9 | bellard | |
1142 | 1d14ffa9 | bellard | min = audio_pcm_hw_find_min_in (hw); |
1143 | 1d14ffa9 | bellard | hw->total_samples_captured += captured - min; |
1144 | 1d14ffa9 | bellard | hw->ts_helper += captured; |
1145 | 1d14ffa9 | bellard | |
1146 | 1d14ffa9 | bellard | for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
|
1147 | 1d14ffa9 | bellard | sw->total_hw_samples_acquired -= min; |
1148 | 1d14ffa9 | bellard | |
1149 | 1d14ffa9 | bellard | if (sw->active) {
|
1150 | 1d14ffa9 | bellard | int avail;
|
1151 | 1d14ffa9 | bellard | |
1152 | 1d14ffa9 | bellard | avail = audio_get_avail (sw); |
1153 | 1d14ffa9 | bellard | if (avail > 0) { |
1154 | 1d14ffa9 | bellard | sw->callback.fn (sw->callback.opaque, avail); |
1155 | 1d14ffa9 | bellard | } |
1156 | 1d14ffa9 | bellard | } |
1157 | 1d14ffa9 | bellard | } |
1158 | 1d14ffa9 | bellard | } |
1159 | 1d14ffa9 | bellard | } |
1160 | 1d14ffa9 | bellard | |
1161 | 571ec3d6 | bellard | static void audio_timer (void *opaque) |
1162 | 571ec3d6 | bellard | { |
1163 | 571ec3d6 | bellard | AudioState *s = opaque; |
1164 | 571ec3d6 | bellard | |
1165 | 571ec3d6 | bellard | audio_run_out (s); |
1166 | 571ec3d6 | bellard | audio_run_in (s); |
1167 | 571ec3d6 | bellard | |
1168 | 571ec3d6 | bellard | qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); |
1169 | 571ec3d6 | bellard | } |
1170 | 571ec3d6 | bellard | |
1171 | 1d14ffa9 | bellard | static struct audio_option audio_options[] = { |
1172 | 1d14ffa9 | bellard | /* DAC */
|
1173 | c0fe3827 | bellard | {"DAC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_out.enabled,
|
1174 | 1d14ffa9 | bellard | "Use fixed settings for host DAC", NULL, 0}, |
1175 | 1d14ffa9 | bellard | |
1176 | c0fe3827 | bellard | {"DAC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_out.settings.freq,
|
1177 | 1d14ffa9 | bellard | "Frequency for fixed host DAC", NULL, 0}, |
1178 | 1d14ffa9 | bellard | |
1179 | c0fe3827 | bellard | {"DAC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_out.settings.fmt,
|
1180 | 1d14ffa9 | bellard | "Format for fixed host DAC", NULL, 0}, |
1181 | 1d14ffa9 | bellard | |
1182 | c0fe3827 | bellard | {"DAC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_out.settings.nchannels,
|
1183 | 1d14ffa9 | bellard | "Number of channels for fixed DAC (1 - mono, 2 - stereo)", NULL, 0}, |
1184 | 1d14ffa9 | bellard | |
1185 | c0fe3827 | bellard | {"DAC_VOICES", AUD_OPT_INT, &conf.fixed_out.nb_voices,
|
1186 | 1d14ffa9 | bellard | "Number of voices for DAC", NULL, 0}, |
1187 | 1d14ffa9 | bellard | |
1188 | 1d14ffa9 | bellard | /* ADC */
|
1189 | c0fe3827 | bellard | {"ADC_FIXED_SETTINGS", AUD_OPT_BOOL, &conf.fixed_in.enabled,
|
1190 | 1d14ffa9 | bellard | "Use fixed settings for host ADC", NULL, 0}, |
1191 | 1d14ffa9 | bellard | |
1192 | c0fe3827 | bellard | {"ADC_FIXED_FREQ", AUD_OPT_INT, &conf.fixed_in.settings.freq,
|
1193 | c0fe3827 | bellard | "Frequency for fixed host ADC", NULL, 0}, |
1194 | 1d14ffa9 | bellard | |
1195 | c0fe3827 | bellard | {"ADC_FIXED_FMT", AUD_OPT_FMT, &conf.fixed_in.settings.fmt,
|
1196 | c0fe3827 | bellard | "Format for fixed host ADC", NULL, 0}, |
1197 | 1d14ffa9 | bellard | |
1198 | c0fe3827 | bellard | {"ADC_FIXED_CHANNELS", AUD_OPT_INT, &conf.fixed_in.settings.nchannels,
|
1199 | 1d14ffa9 | bellard | "Number of channels for fixed ADC (1 - mono, 2 - stereo)", NULL, 0}, |
1200 | 1d14ffa9 | bellard | |
1201 | c0fe3827 | bellard | {"ADC_VOICES", AUD_OPT_INT, &conf.fixed_in.nb_voices,
|
1202 | 1d14ffa9 | bellard | "Number of voices for ADC", NULL, 0}, |
1203 | 1d14ffa9 | bellard | |
1204 | 1d14ffa9 | bellard | /* Misc */
|
1205 | c0fe3827 | bellard | {"TIMER_PERIOD", AUD_OPT_INT, &conf.period.hz,
|
1206 | c0fe3827 | bellard | "Timer period in HZ (0 - use lowest possible)", NULL, 0}, |
1207 | 1d14ffa9 | bellard | |
1208 | c0fe3827 | bellard | {"PLIVE", AUD_OPT_BOOL, &conf.plive,
|
1209 | 1d14ffa9 | bellard | "(undocumented)", NULL, 0}, |
1210 | 1d14ffa9 | bellard | |
1211 | 541e0844 | bellard | {"LOG_TO_MONITOR", AUD_OPT_BOOL, &conf.log_to_monitor,
|
1212 | 541e0844 | bellard | "print logging messages to montior instead of stderr", NULL, 0}, |
1213 | 541e0844 | bellard | |
1214 | 1d14ffa9 | bellard | {NULL, 0, NULL, NULL, NULL, 0} |
1215 | 85571bc7 | bellard | }; |
1216 | 85571bc7 | bellard | |
1217 | 571ec3d6 | bellard | static void audio_pp_nb_voices (const char *typ, int nb) |
1218 | 571ec3d6 | bellard | { |
1219 | 571ec3d6 | bellard | switch (nb) {
|
1220 | 571ec3d6 | bellard | case 0: |
1221 | 571ec3d6 | bellard | printf ("Does not support %s\n", typ);
|
1222 | 571ec3d6 | bellard | break;
|
1223 | 571ec3d6 | bellard | case 1: |
1224 | 571ec3d6 | bellard | printf ("One %s voice\n", typ);
|
1225 | 571ec3d6 | bellard | break;
|
1226 | 571ec3d6 | bellard | case INT_MAX:
|
1227 | 571ec3d6 | bellard | printf ("Theoretically supports many %s voices\n", typ);
|
1228 | 571ec3d6 | bellard | break;
|
1229 | 571ec3d6 | bellard | default:
|
1230 | 571ec3d6 | bellard | printf ("Theoretically supports upto %d %s voices\n", nb, typ);
|
1231 | 571ec3d6 | bellard | break;
|
1232 | 571ec3d6 | bellard | } |
1233 | 571ec3d6 | bellard | |
1234 | 571ec3d6 | bellard | } |
1235 | 571ec3d6 | bellard | |
1236 | 1d14ffa9 | bellard | void AUD_help (void) |
1237 | 1d14ffa9 | bellard | { |
1238 | 1d14ffa9 | bellard | size_t i; |
1239 | 1d14ffa9 | bellard | |
1240 | 1d14ffa9 | bellard | audio_process_options ("AUDIO", audio_options);
|
1241 | 1d14ffa9 | bellard | for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
1242 | 1d14ffa9 | bellard | struct audio_driver *d = drvtab[i];
|
1243 | 1d14ffa9 | bellard | if (d->options) {
|
1244 | 1d14ffa9 | bellard | audio_process_options (d->name, d->options); |
1245 | 1d14ffa9 | bellard | } |
1246 | 1d14ffa9 | bellard | } |
1247 | 1d14ffa9 | bellard | |
1248 | 1d14ffa9 | bellard | printf ("Audio options:\n");
|
1249 | 1d14ffa9 | bellard | audio_print_options ("AUDIO", audio_options);
|
1250 | 1d14ffa9 | bellard | printf ("\n");
|
1251 | 1d14ffa9 | bellard | |
1252 | 1d14ffa9 | bellard | printf ("Available drivers:\n");
|
1253 | 1d14ffa9 | bellard | |
1254 | 1d14ffa9 | bellard | for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
1255 | 1d14ffa9 | bellard | struct audio_driver *d = drvtab[i];
|
1256 | 1d14ffa9 | bellard | |
1257 | 1d14ffa9 | bellard | printf ("Name: %s\n", d->name);
|
1258 | 1d14ffa9 | bellard | printf ("Description: %s\n", d->descr);
|
1259 | 1d14ffa9 | bellard | |
1260 | 571ec3d6 | bellard | audio_pp_nb_voices ("playback", d->max_voices_out);
|
1261 | 571ec3d6 | bellard | audio_pp_nb_voices ("capture", d->max_voices_in);
|
1262 | 1d14ffa9 | bellard | |
1263 | 1d14ffa9 | bellard | if (d->options) {
|
1264 | 1d14ffa9 | bellard | printf ("Options:\n");
|
1265 | 1d14ffa9 | bellard | audio_print_options (d->name, d->options); |
1266 | 1d14ffa9 | bellard | } |
1267 | 1d14ffa9 | bellard | else {
|
1268 | 1d14ffa9 | bellard | printf ("No options\n");
|
1269 | 1d14ffa9 | bellard | } |
1270 | 1d14ffa9 | bellard | printf ("\n");
|
1271 | 1d14ffa9 | bellard | } |
1272 | 1d14ffa9 | bellard | |
1273 | 1d14ffa9 | bellard | printf ( |
1274 | 1d14ffa9 | bellard | "Options are settable through environment variables.\n"
|
1275 | 1d14ffa9 | bellard | "Example:\n"
|
1276 | 1d14ffa9 | bellard | #ifdef _WIN32
|
1277 | 1d14ffa9 | bellard | " set QEMU_AUDIO_DRV=wav\n"
|
1278 | 571ec3d6 | bellard | " set QEMU_WAV_PATH=c:\\tune.wav\n"
|
1279 | 1d14ffa9 | bellard | #else
|
1280 | 1d14ffa9 | bellard | " export QEMU_AUDIO_DRV=wav\n"
|
1281 | 1d14ffa9 | bellard | " export QEMU_WAV_PATH=$HOME/tune.wav\n"
|
1282 | 1d14ffa9 | bellard | "(for csh replace export with setenv in the above)\n"
|
1283 | 1d14ffa9 | bellard | #endif
|
1284 | 1d14ffa9 | bellard | " qemu ...\n\n"
|
1285 | 1d14ffa9 | bellard | ); |
1286 | 1d14ffa9 | bellard | } |
1287 | 1d14ffa9 | bellard | |
1288 | c0fe3827 | bellard | static int audio_driver_init (AudioState *s, struct audio_driver *drv) |
1289 | 85571bc7 | bellard | { |
1290 | 1d14ffa9 | bellard | if (drv->options) {
|
1291 | 1d14ffa9 | bellard | audio_process_options (drv->name, drv->options); |
1292 | 1d14ffa9 | bellard | } |
1293 | c0fe3827 | bellard | s->drv_opaque = drv->init (); |
1294 | 1d14ffa9 | bellard | |
1295 | c0fe3827 | bellard | if (s->drv_opaque) {
|
1296 | 571ec3d6 | bellard | audio_init_nb_voices_out (s, drv); |
1297 | 571ec3d6 | bellard | audio_init_nb_voices_in (s, drv); |
1298 | c0fe3827 | bellard | s->drv = drv; |
1299 | 1d14ffa9 | bellard | return 0; |
1300 | 85571bc7 | bellard | } |
1301 | 85571bc7 | bellard | else {
|
1302 | 1d14ffa9 | bellard | dolog ("Could not init `%s' audio driver\n", drv->name);
|
1303 | 1d14ffa9 | bellard | return -1; |
1304 | 85571bc7 | bellard | } |
1305 | 85571bc7 | bellard | } |
1306 | 85571bc7 | bellard | |
1307 | 541e0844 | bellard | static void audio_vm_change_state_handler (void *opaque, int running) |
1308 | 85571bc7 | bellard | { |
1309 | c0fe3827 | bellard | AudioState *s = opaque; |
1310 | 1d14ffa9 | bellard | HWVoiceOut *hwo = NULL;
|
1311 | 1d14ffa9 | bellard | HWVoiceIn *hwi = NULL;
|
1312 | 541e0844 | bellard | int op = running ? VOICE_ENABLE : VOICE_DISABLE;
|
1313 | 1d14ffa9 | bellard | |
1314 | 541e0844 | bellard | while ((hwo = audio_pcm_hw_find_any_enabled_out (s, hwo))) {
|
1315 | 541e0844 | bellard | hwo->pcm_ops->ctl_out (hwo, op); |
1316 | 1d14ffa9 | bellard | } |
1317 | 85571bc7 | bellard | |
1318 | 541e0844 | bellard | while ((hwi = audio_pcm_hw_find_any_enabled_in (s, hwi))) {
|
1319 | 541e0844 | bellard | hwi->pcm_ops->ctl_in (hwi, op); |
1320 | 85571bc7 | bellard | } |
1321 | 85571bc7 | bellard | } |
1322 | 85571bc7 | bellard | |
1323 | 85571bc7 | bellard | static void audio_atexit (void) |
1324 | 85571bc7 | bellard | { |
1325 | c0fe3827 | bellard | AudioState *s = &glob_audio_state; |
1326 | 1d14ffa9 | bellard | HWVoiceOut *hwo = NULL;
|
1327 | 1d14ffa9 | bellard | HWVoiceIn *hwi = NULL;
|
1328 | 1d14ffa9 | bellard | |
1329 | 571ec3d6 | bellard | while ((hwo = audio_pcm_hw_find_any_enabled_out (s, hwo))) {
|
1330 | 571ec3d6 | bellard | hwo->pcm_ops->ctl_out (hwo, VOICE_DISABLE); |
1331 | 1d14ffa9 | bellard | hwo->pcm_ops->fini_out (hwo); |
1332 | 1d14ffa9 | bellard | } |
1333 | 85571bc7 | bellard | |
1334 | 571ec3d6 | bellard | while ((hwi = audio_pcm_hw_find_any_enabled_in (s, hwi))) {
|
1335 | 571ec3d6 | bellard | hwi->pcm_ops->ctl_in (hwi, VOICE_DISABLE); |
1336 | 1d14ffa9 | bellard | hwi->pcm_ops->fini_in (hwi); |
1337 | 85571bc7 | bellard | } |
1338 | c0fe3827 | bellard | |
1339 | c0fe3827 | bellard | if (s->drv) {
|
1340 | c0fe3827 | bellard | s->drv->fini (s->drv_opaque); |
1341 | c0fe3827 | bellard | } |
1342 | 85571bc7 | bellard | } |
1343 | 85571bc7 | bellard | |
1344 | 85571bc7 | bellard | static void audio_save (QEMUFile *f, void *opaque) |
1345 | 85571bc7 | bellard | { |
1346 | 1d14ffa9 | bellard | (void) f;
|
1347 | 1d14ffa9 | bellard | (void) opaque;
|
1348 | 85571bc7 | bellard | } |
1349 | 85571bc7 | bellard | |
1350 | 85571bc7 | bellard | static int audio_load (QEMUFile *f, void *opaque, int version_id) |
1351 | 85571bc7 | bellard | { |
1352 | 1d14ffa9 | bellard | (void) f;
|
1353 | 1d14ffa9 | bellard | (void) opaque;
|
1354 | 1d14ffa9 | bellard | |
1355 | 1d14ffa9 | bellard | if (version_id != 1) { |
1356 | 85571bc7 | bellard | return -EINVAL;
|
1357 | 1d14ffa9 | bellard | } |
1358 | 85571bc7 | bellard | |
1359 | 85571bc7 | bellard | return 0; |
1360 | 85571bc7 | bellard | } |
1361 | 85571bc7 | bellard | |
1362 | c0fe3827 | bellard | void AUD_register_card (AudioState *s, const char *name, QEMUSoundCard *card) |
1363 | c0fe3827 | bellard | { |
1364 | c0fe3827 | bellard | card->audio = s; |
1365 | c0fe3827 | bellard | card->name = qemu_strdup (name); |
1366 | c0fe3827 | bellard | memset (&card->entries, 0, sizeof (card->entries)); |
1367 | c0fe3827 | bellard | LIST_INSERT_HEAD (&s->card_head, card, entries); |
1368 | c0fe3827 | bellard | } |
1369 | c0fe3827 | bellard | |
1370 | c0fe3827 | bellard | void AUD_remove_card (QEMUSoundCard *card)
|
1371 | c0fe3827 | bellard | { |
1372 | c0fe3827 | bellard | LIST_REMOVE (card, entries); |
1373 | c0fe3827 | bellard | card->audio = NULL;
|
1374 | c0fe3827 | bellard | qemu_free (card->name); |
1375 | c0fe3827 | bellard | } |
1376 | c0fe3827 | bellard | |
1377 | c0fe3827 | bellard | AudioState *AUD_init (void)
|
1378 | 85571bc7 | bellard | { |
1379 | 1d14ffa9 | bellard | size_t i; |
1380 | 85571bc7 | bellard | int done = 0; |
1381 | 85571bc7 | bellard | const char *drvname; |
1382 | c0fe3827 | bellard | AudioState *s = &glob_audio_state; |
1383 | 1d14ffa9 | bellard | |
1384 | 571ec3d6 | bellard | LIST_INIT (&s->hw_head_out); |
1385 | 571ec3d6 | bellard | LIST_INIT (&s->hw_head_in); |
1386 | 571ec3d6 | bellard | atexit (audio_atexit); |
1387 | 571ec3d6 | bellard | |
1388 | 571ec3d6 | bellard | s->ts = qemu_new_timer (vm_clock, audio_timer, s); |
1389 | 571ec3d6 | bellard | if (!s->ts) {
|
1390 | 571ec3d6 | bellard | dolog ("Could not create audio timer\n");
|
1391 | 571ec3d6 | bellard | return NULL; |
1392 | 571ec3d6 | bellard | } |
1393 | 571ec3d6 | bellard | |
1394 | 1d14ffa9 | bellard | audio_process_options ("AUDIO", audio_options);
|
1395 | 1d14ffa9 | bellard | |
1396 | c0fe3827 | bellard | s->nb_hw_voices_out = conf.fixed_out.nb_voices; |
1397 | c0fe3827 | bellard | s->nb_hw_voices_in = conf.fixed_in.nb_voices; |
1398 | c0fe3827 | bellard | |
1399 | 1d14ffa9 | bellard | if (s->nb_hw_voices_out <= 0) { |
1400 | 571ec3d6 | bellard | dolog ("Bogus number of playback voices %d, setting to 1\n",
|
1401 | 1d14ffa9 | bellard | s->nb_hw_voices_out); |
1402 | 1d14ffa9 | bellard | s->nb_hw_voices_out = 1;
|
1403 | 1d14ffa9 | bellard | } |
1404 | 1d14ffa9 | bellard | |
1405 | 1d14ffa9 | bellard | if (s->nb_hw_voices_in <= 0) { |
1406 | 571ec3d6 | bellard | dolog ("Bogus number of capture voices %d, setting to 0\n",
|
1407 | 1d14ffa9 | bellard | s->nb_hw_voices_in); |
1408 | 571ec3d6 | bellard | s->nb_hw_voices_in = 0;
|
1409 | 1d14ffa9 | bellard | } |
1410 | 85571bc7 | bellard | |
1411 | 1d14ffa9 | bellard | { |
1412 | 1d14ffa9 | bellard | int def;
|
1413 | 1d14ffa9 | bellard | drvname = audio_get_conf_str ("QEMU_AUDIO_DRV", NULL, &def); |
1414 | 1d14ffa9 | bellard | } |
1415 | 85571bc7 | bellard | |
1416 | 85571bc7 | bellard | if (drvname) {
|
1417 | 85571bc7 | bellard | int found = 0; |
1418 | 1d14ffa9 | bellard | |
1419 | 85571bc7 | bellard | for (i = 0; i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
1420 | 85571bc7 | bellard | if (!strcmp (drvname, drvtab[i]->name)) {
|
1421 | c0fe3827 | bellard | done = !audio_driver_init (s, drvtab[i]); |
1422 | 85571bc7 | bellard | found = 1;
|
1423 | 85571bc7 | bellard | break;
|
1424 | 85571bc7 | bellard | } |
1425 | 85571bc7 | bellard | } |
1426 | 1d14ffa9 | bellard | |
1427 | 85571bc7 | bellard | if (!found) {
|
1428 | 85571bc7 | bellard | dolog ("Unknown audio driver `%s'\n", drvname);
|
1429 | 1d14ffa9 | bellard | dolog ("Run with -audio-help to list available drivers\n");
|
1430 | 85571bc7 | bellard | } |
1431 | 85571bc7 | bellard | } |
1432 | 85571bc7 | bellard | |
1433 | 85571bc7 | bellard | if (!done) {
|
1434 | 85571bc7 | bellard | for (i = 0; !done && i < sizeof (drvtab) / sizeof (drvtab[0]); i++) { |
1435 | 1d14ffa9 | bellard | if (drvtab[i]->can_be_default) {
|
1436 | c0fe3827 | bellard | done = !audio_driver_init (s, drvtab[i]); |
1437 | 1d14ffa9 | bellard | } |
1438 | 85571bc7 | bellard | } |
1439 | 85571bc7 | bellard | } |
1440 | 85571bc7 | bellard | |
1441 | 85571bc7 | bellard | if (!done) {
|
1442 | c0fe3827 | bellard | done = !audio_driver_init (s, &no_audio_driver); |
1443 | c0fe3827 | bellard | if (!done) {
|
1444 | c0fe3827 | bellard | dolog ("Could not initialize audio subsystem\n");
|
1445 | 1d14ffa9 | bellard | } |
1446 | 1d14ffa9 | bellard | else {
|
1447 | c0fe3827 | bellard | dolog ("warning: Using timer based audio emulation\n");
|
1448 | 1d14ffa9 | bellard | } |
1449 | 85571bc7 | bellard | } |
1450 | 1d14ffa9 | bellard | |
1451 | c0fe3827 | bellard | if (done) {
|
1452 | 571ec3d6 | bellard | VMChangeStateEntry *e; |
1453 | 571ec3d6 | bellard | |
1454 | c0fe3827 | bellard | if (conf.period.hz <= 0) { |
1455 | c0fe3827 | bellard | if (conf.period.hz < 0) { |
1456 | c0fe3827 | bellard | dolog ("warning: Timer period is negative - %d "
|
1457 | c0fe3827 | bellard | "treating as zero\n",
|
1458 | c0fe3827 | bellard | conf.period.hz); |
1459 | c0fe3827 | bellard | } |
1460 | c0fe3827 | bellard | conf.period.ticks = 1;
|
1461 | 1d14ffa9 | bellard | } |
1462 | c0fe3827 | bellard | else {
|
1463 | c0fe3827 | bellard | conf.period.ticks = ticks_per_sec / conf.period.hz; |
1464 | c0fe3827 | bellard | } |
1465 | c0fe3827 | bellard | |
1466 | 571ec3d6 | bellard | e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |
1467 | 571ec3d6 | bellard | if (!e) {
|
1468 | 571ec3d6 | bellard | dolog ("warning: Could not register change state handler\n"
|
1469 | 571ec3d6 | bellard | "(Audio can continue looping even after stopping the VM)\n");
|
1470 | 571ec3d6 | bellard | } |
1471 | 1d14ffa9 | bellard | } |
1472 | 1d14ffa9 | bellard | else {
|
1473 | c0fe3827 | bellard | qemu_del_timer (s->ts); |
1474 | c0fe3827 | bellard | return NULL; |
1475 | 1d14ffa9 | bellard | } |
1476 | 1d14ffa9 | bellard | |
1477 | c0fe3827 | bellard | LIST_INIT (&s->card_head); |
1478 | c0fe3827 | bellard | register_savevm ("audio", 0, 1, audio_save, audio_load, s); |
1479 | c0fe3827 | bellard | qemu_mod_timer (s->ts, qemu_get_clock (vm_clock) + conf.period.ticks); |
1480 | c0fe3827 | bellard | return s;
|
1481 | 85571bc7 | bellard | } |