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1 | 85571bc7 | bellard | /*
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2 | 1d14ffa9 | bellard | * QEMU OSS audio driver
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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 | f0c757e4 | ths | #include <stdlib.h> |
25 | 85571bc7 | bellard | #include <sys/mman.h> |
26 | 85571bc7 | bellard | #include <sys/types.h> |
27 | 85571bc7 | bellard | #include <sys/ioctl.h> |
28 | f0c757e4 | ths | #ifdef __OpenBSD__
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29 | f0c757e4 | ths | #include <soundcard.h> |
30 | f0c757e4 | ths | #else
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31 | 85571bc7 | bellard | #include <sys/soundcard.h> |
32 | f0c757e4 | ths | #endif
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33 | 87ecb68b | pbrook | #include "qemu-common.h" |
34 | 077805fa | Paolo Bonzini | #include "main-loop.h" |
35 | 057fa65c | malc | #include "host-utils.h" |
36 | dd8a5649 | malc | #include "qemu-char.h" |
37 | 87ecb68b | pbrook | #include "audio.h" |
38 | fb065187 | bellard | |
39 | 1d14ffa9 | bellard | #define AUDIO_CAP "oss" |
40 | 1d14ffa9 | bellard | #include "audio_int.h" |
41 | fb065187 | bellard | |
42 | 78d9356d | malc | #if defined OSS_GETVERSION && defined SNDCTL_DSP_POLICY
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43 | 78d9356d | malc | #define USE_DSP_POLICY
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44 | 78d9356d | malc | #endif
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45 | 78d9356d | malc | |
46 | 1d14ffa9 | bellard | typedef struct OSSVoiceOut { |
47 | 1d14ffa9 | bellard | HWVoiceOut hw; |
48 | fb065187 | bellard | void *pcm_buf;
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49 | fb065187 | bellard | int fd;
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50 | 9d168976 | malc | int wpos;
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51 | fb065187 | bellard | int nfrags;
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52 | fb065187 | bellard | int fragsize;
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53 | fb065187 | bellard | int mmapped;
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54 | 9d168976 | malc | int pending;
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55 | 1d14ffa9 | bellard | } OSSVoiceOut; |
56 | 85571bc7 | bellard | |
57 | 1d14ffa9 | bellard | typedef struct OSSVoiceIn { |
58 | 1d14ffa9 | bellard | HWVoiceIn hw; |
59 | 1d14ffa9 | bellard | void *pcm_buf;
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60 | 1d14ffa9 | bellard | int fd;
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61 | 1d14ffa9 | bellard | int nfrags;
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62 | 1d14ffa9 | bellard | int fragsize;
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63 | 1d14ffa9 | bellard | } OSSVoiceIn; |
64 | 85571bc7 | bellard | |
65 | 85571bc7 | bellard | static struct { |
66 | 85571bc7 | bellard | int try_mmap;
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67 | 85571bc7 | bellard | int nfrags;
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68 | 85571bc7 | bellard | int fragsize;
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69 | 1d14ffa9 | bellard | const char *devpath_out; |
70 | 1d14ffa9 | bellard | const char *devpath_in; |
71 | 8ead62cf | bellard | int debug;
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72 | 0b3652bc | malc | int exclusive;
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73 | 0b3652bc | malc | int policy;
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74 | 85571bc7 | bellard | } conf = { |
75 | 85571bc7 | bellard | .try_mmap = 0,
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76 | 85571bc7 | bellard | .nfrags = 4,
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77 | 85571bc7 | bellard | .fragsize = 4096,
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78 | 1d14ffa9 | bellard | .devpath_out = "/dev/dsp",
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79 | 8ead62cf | bellard | .devpath_in = "/dev/dsp",
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80 | 0b3652bc | malc | .debug = 0,
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81 | 0b3652bc | malc | .exclusive = 0,
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82 | 0b3652bc | malc | .policy = 5
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83 | 85571bc7 | bellard | }; |
84 | 85571bc7 | bellard | |
85 | 85571bc7 | bellard | struct oss_params {
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86 | 85571bc7 | bellard | int freq;
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87 | 85571bc7 | bellard | audfmt_e fmt; |
88 | 85571bc7 | bellard | int nchannels;
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89 | 85571bc7 | bellard | int nfrags;
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90 | 85571bc7 | bellard | int fragsize;
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91 | 85571bc7 | bellard | }; |
92 | 85571bc7 | bellard | |
93 | 1d14ffa9 | bellard | static void GCC_FMT_ATTR (2, 3) oss_logerr (int err, const char *fmt, ...) |
94 | 85571bc7 | bellard | { |
95 | 1d14ffa9 | bellard | va_list ap; |
96 | 1d14ffa9 | bellard | |
97 | 571ec3d6 | bellard | va_start (ap, fmt); |
98 | 1d14ffa9 | bellard | AUD_vlog (AUDIO_CAP, fmt, ap); |
99 | 571ec3d6 | bellard | va_end (ap); |
100 | 1d14ffa9 | bellard | |
101 | 1d14ffa9 | bellard | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err));
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102 | 85571bc7 | bellard | } |
103 | 85571bc7 | bellard | |
104 | 1d14ffa9 | bellard | static void GCC_FMT_ATTR (3, 4) oss_logerr2 ( |
105 | 1d14ffa9 | bellard | int err,
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106 | 1d14ffa9 | bellard | const char *typ, |
107 | 1d14ffa9 | bellard | const char *fmt, |
108 | 1d14ffa9 | bellard | ... |
109 | 1d14ffa9 | bellard | ) |
110 | 1d14ffa9 | bellard | { |
111 | 1d14ffa9 | bellard | va_list ap; |
112 | 1d14ffa9 | bellard | |
113 | c0fe3827 | bellard | AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ);
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114 | 1d14ffa9 | bellard | |
115 | 1d14ffa9 | bellard | va_start (ap, fmt); |
116 | 1d14ffa9 | bellard | AUD_vlog (AUDIO_CAP, fmt, ap); |
117 | 1d14ffa9 | bellard | va_end (ap); |
118 | 1d14ffa9 | bellard | |
119 | 1d14ffa9 | bellard | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err));
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120 | 1d14ffa9 | bellard | } |
121 | 1d14ffa9 | bellard | |
122 | 1d14ffa9 | bellard | static void oss_anal_close (int *fdp) |
123 | 1d14ffa9 | bellard | { |
124 | 6ebfda13 | malc | int err;
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125 | 6ebfda13 | malc | |
126 | 6ebfda13 | malc | qemu_set_fd_handler (*fdp, NULL, NULL, NULL); |
127 | 6ebfda13 | malc | err = close (*fdp); |
128 | 1d14ffa9 | bellard | if (err) {
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129 | 1d14ffa9 | bellard | oss_logerr (errno, "Failed to close file(fd=%d)\n", *fdp);
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130 | 1d14ffa9 | bellard | } |
131 | 1d14ffa9 | bellard | *fdp = -1;
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132 | 1d14ffa9 | bellard | } |
133 | 1d14ffa9 | bellard | |
134 | dd8a5649 | malc | static void oss_helper_poll_out (void *opaque) |
135 | dd8a5649 | malc | { |
136 | dd8a5649 | malc | (void) opaque;
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137 | dd8a5649 | malc | audio_run ("oss_poll_out");
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138 | dd8a5649 | malc | } |
139 | dd8a5649 | malc | |
140 | dd8a5649 | malc | static void oss_helper_poll_in (void *opaque) |
141 | dd8a5649 | malc | { |
142 | dd8a5649 | malc | (void) opaque;
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143 | dd8a5649 | malc | audio_run ("oss_poll_in");
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144 | dd8a5649 | malc | } |
145 | dd8a5649 | malc | |
146 | dd8a5649 | malc | static int oss_poll_out (HWVoiceOut *hw) |
147 | dd8a5649 | malc | { |
148 | dd8a5649 | malc | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
149 | dd8a5649 | malc | |
150 | dd8a5649 | malc | return qemu_set_fd_handler (oss->fd, NULL, oss_helper_poll_out, NULL); |
151 | dd8a5649 | malc | } |
152 | dd8a5649 | malc | |
153 | dd8a5649 | malc | static int oss_poll_in (HWVoiceIn *hw) |
154 | dd8a5649 | malc | { |
155 | dd8a5649 | malc | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
156 | dd8a5649 | malc | |
157 | dd8a5649 | malc | return qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL); |
158 | dd8a5649 | malc | } |
159 | dd8a5649 | malc | |
160 | 1d14ffa9 | bellard | static int oss_write (SWVoiceOut *sw, void *buf, int len) |
161 | 1d14ffa9 | bellard | { |
162 | 1d14ffa9 | bellard | return audio_pcm_sw_write (sw, buf, len);
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163 | 1d14ffa9 | bellard | } |
164 | 1d14ffa9 | bellard | |
165 | b6c9c940 | Michael Walle | static int aud_to_ossfmt (audfmt_e fmt, int endianness) |
166 | 85571bc7 | bellard | { |
167 | 85571bc7 | bellard | switch (fmt) {
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168 | 1d14ffa9 | bellard | case AUD_FMT_S8:
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169 | 1d14ffa9 | bellard | return AFMT_S8;
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170 | 1d14ffa9 | bellard | |
171 | 1d14ffa9 | bellard | case AUD_FMT_U8:
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172 | 1d14ffa9 | bellard | return AFMT_U8;
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173 | 1d14ffa9 | bellard | |
174 | 1d14ffa9 | bellard | case AUD_FMT_S16:
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175 | b6c9c940 | Michael Walle | if (endianness) {
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176 | b6c9c940 | Michael Walle | return AFMT_S16_BE;
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177 | b6c9c940 | Michael Walle | } |
178 | b6c9c940 | Michael Walle | else {
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179 | b6c9c940 | Michael Walle | return AFMT_S16_LE;
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180 | b6c9c940 | Michael Walle | } |
181 | 1d14ffa9 | bellard | |
182 | 1d14ffa9 | bellard | case AUD_FMT_U16:
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183 | b6c9c940 | Michael Walle | if (endianness) {
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184 | b6c9c940 | Michael Walle | return AFMT_U16_BE;
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185 | b6c9c940 | Michael Walle | } |
186 | b6c9c940 | Michael Walle | else {
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187 | b6c9c940 | Michael Walle | return AFMT_U16_LE;
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188 | b6c9c940 | Michael Walle | } |
189 | 1d14ffa9 | bellard | |
190 | 85571bc7 | bellard | default:
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191 | 1d14ffa9 | bellard | dolog ("Internal logic error: Bad audio format %d\n", fmt);
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192 | 1d14ffa9 | bellard | #ifdef DEBUG_AUDIO
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193 | 1d14ffa9 | bellard | abort (); |
194 | 1d14ffa9 | bellard | #endif
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195 | 1d14ffa9 | bellard | return AFMT_U8;
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196 | 85571bc7 | bellard | } |
197 | 85571bc7 | bellard | } |
198 | 85571bc7 | bellard | |
199 | 1d14ffa9 | bellard | static int oss_to_audfmt (int ossfmt, audfmt_e *fmt, int *endianness) |
200 | 85571bc7 | bellard | { |
201 | 1d14ffa9 | bellard | switch (ossfmt) {
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202 | 1d14ffa9 | bellard | case AFMT_S8:
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203 | ca9cc28c | balrog | *endianness = 0;
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204 | 1d14ffa9 | bellard | *fmt = AUD_FMT_S8; |
205 | 1d14ffa9 | bellard | break;
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206 | 1d14ffa9 | bellard | |
207 | 1d14ffa9 | bellard | case AFMT_U8:
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208 | 1d14ffa9 | bellard | *endianness = 0;
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209 | 1d14ffa9 | bellard | *fmt = AUD_FMT_U8; |
210 | 1d14ffa9 | bellard | break;
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211 | 1d14ffa9 | bellard | |
212 | 1d14ffa9 | bellard | case AFMT_S16_LE:
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213 | 1d14ffa9 | bellard | *endianness = 0;
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214 | 1d14ffa9 | bellard | *fmt = AUD_FMT_S16; |
215 | 1d14ffa9 | bellard | break;
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216 | 1d14ffa9 | bellard | |
217 | 1d14ffa9 | bellard | case AFMT_U16_LE:
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218 | 1d14ffa9 | bellard | *endianness = 0;
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219 | 1d14ffa9 | bellard | *fmt = AUD_FMT_U16; |
220 | 1d14ffa9 | bellard | break;
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221 | 1d14ffa9 | bellard | |
222 | 1d14ffa9 | bellard | case AFMT_S16_BE:
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223 | 1d14ffa9 | bellard | *endianness = 1;
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224 | 1d14ffa9 | bellard | *fmt = AUD_FMT_S16; |
225 | 1d14ffa9 | bellard | break;
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226 | 1d14ffa9 | bellard | |
227 | 1d14ffa9 | bellard | case AFMT_U16_BE:
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228 | 1d14ffa9 | bellard | *endianness = 1;
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229 | 1d14ffa9 | bellard | *fmt = AUD_FMT_U16; |
230 | 1d14ffa9 | bellard | break;
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231 | 1d14ffa9 | bellard | |
232 | 85571bc7 | bellard | default:
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233 | 1d14ffa9 | bellard | dolog ("Unrecognized audio format %d\n", ossfmt);
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234 | 1d14ffa9 | bellard | return -1; |
235 | 85571bc7 | bellard | } |
236 | 1d14ffa9 | bellard | |
237 | 1d14ffa9 | bellard | return 0; |
238 | 85571bc7 | bellard | } |
239 | 85571bc7 | bellard | |
240 | c0fe3827 | bellard | #if defined DEBUG_MISMATCHES || defined DEBUG
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241 | 1d14ffa9 | bellard | static void oss_dump_info (struct oss_params *req, struct oss_params *obt) |
242 | 85571bc7 | bellard | { |
243 | 85571bc7 | bellard | dolog ("parameter | requested value | obtained value\n");
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244 | 85571bc7 | bellard | dolog ("format | %10d | %10d\n", req->fmt, obt->fmt);
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245 | 1d14ffa9 | bellard | dolog ("channels | %10d | %10d\n",
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246 | 1d14ffa9 | bellard | req->nchannels, obt->nchannels); |
247 | 85571bc7 | bellard | dolog ("frequency | %10d | %10d\n", req->freq, obt->freq);
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248 | 85571bc7 | bellard | dolog ("nfrags | %10d | %10d\n", req->nfrags, obt->nfrags);
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249 | 1d14ffa9 | bellard | dolog ("fragsize | %10d | %10d\n",
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250 | 1d14ffa9 | bellard | req->fragsize, obt->fragsize); |
251 | 85571bc7 | bellard | } |
252 | 85571bc7 | bellard | #endif
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253 | 85571bc7 | bellard | |
254 | 72ff25e4 | Juergen Lock | #ifdef USE_DSP_POLICY
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255 | 72ff25e4 | Juergen Lock | static int oss_get_version (int fd, int *version, const char *typ) |
256 | 72ff25e4 | Juergen Lock | { |
257 | 72ff25e4 | Juergen Lock | if (ioctl (fd, OSS_GETVERSION, &version)) {
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258 | 72ff25e4 | Juergen Lock | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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259 | 72ff25e4 | Juergen Lock | /*
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260 | 72ff25e4 | Juergen Lock | * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION
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261 | 72ff25e4 | Juergen Lock | * since 7.x, but currently only on the mixer device (or in
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262 | 72ff25e4 | Juergen Lock | * the Linuxolator), and in the native version that part of
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263 | 72ff25e4 | Juergen Lock | * the code is in fact never reached so the ioctl fails anyway.
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264 | 72ff25e4 | Juergen Lock | * Until this is fixed, just check the errno and if its what
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265 | 72ff25e4 | Juergen Lock | * FreeBSD's sound drivers return atm assume they are new enough.
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266 | 72ff25e4 | Juergen Lock | */
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267 | 72ff25e4 | Juergen Lock | if (errno == EINVAL) {
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268 | 72ff25e4 | Juergen Lock | *version = 0x040000;
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269 | 72ff25e4 | Juergen Lock | return 0; |
270 | 72ff25e4 | Juergen Lock | } |
271 | 72ff25e4 | Juergen Lock | #endif
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272 | 72ff25e4 | Juergen Lock | oss_logerr2 (errno, typ, "Failed to get OSS version\n");
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273 | 72ff25e4 | Juergen Lock | return -1; |
274 | 72ff25e4 | Juergen Lock | } |
275 | 72ff25e4 | Juergen Lock | return 0; |
276 | 72ff25e4 | Juergen Lock | } |
277 | 72ff25e4 | Juergen Lock | #endif
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278 | 72ff25e4 | Juergen Lock | |
279 | 1d14ffa9 | bellard | static int oss_open (int in, struct oss_params *req, |
280 | 1d14ffa9 | bellard | struct oss_params *obt, int *pfd) |
281 | 85571bc7 | bellard | { |
282 | 85571bc7 | bellard | int fd;
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283 | 0b3652bc | malc | int oflags = conf.exclusive ? O_EXCL : 0; |
284 | 85571bc7 | bellard | audio_buf_info abinfo; |
285 | 85571bc7 | bellard | int fmt, freq, nchannels;
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286 | 3d709fe7 | malc | int setfragment = 1; |
287 | 1d14ffa9 | bellard | const char *dspname = in ? conf.devpath_in : conf.devpath_out; |
288 | 1d14ffa9 | bellard | const char *typ = in ? "ADC" : "DAC"; |
289 | 85571bc7 | bellard | |
290 | 2182349d | malc | /* Kludge needed to have working mmap on Linux */
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291 | 0b3652bc | malc | oflags |= conf.try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY); |
292 | 0b3652bc | malc | |
293 | 2182349d | malc | fd = open (dspname, oflags | O_NONBLOCK); |
294 | 85571bc7 | bellard | if (-1 == fd) { |
295 | 1d14ffa9 | bellard | oss_logerr2 (errno, typ, "Failed to open `%s'\n", dspname);
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296 | 85571bc7 | bellard | return -1; |
297 | 85571bc7 | bellard | } |
298 | 85571bc7 | bellard | |
299 | 85571bc7 | bellard | freq = req->freq; |
300 | 85571bc7 | bellard | nchannels = req->nchannels; |
301 | 85571bc7 | bellard | fmt = req->fmt; |
302 | 85571bc7 | bellard | |
303 | 85571bc7 | bellard | if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) {
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304 | 1d14ffa9 | bellard | oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt);
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305 | 85571bc7 | bellard | goto err;
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306 | 85571bc7 | bellard | } |
307 | 85571bc7 | bellard | |
308 | 85571bc7 | bellard | if (ioctl (fd, SNDCTL_DSP_CHANNELS, &nchannels)) {
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309 | 1d14ffa9 | bellard | oss_logerr2 (errno, typ, "Failed to set number of channels %d\n",
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310 | 1d14ffa9 | bellard | req->nchannels); |
311 | 85571bc7 | bellard | goto err;
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312 | 85571bc7 | bellard | } |
313 | 85571bc7 | bellard | |
314 | 85571bc7 | bellard | if (ioctl (fd, SNDCTL_DSP_SPEED, &freq)) {
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315 | 1d14ffa9 | bellard | oss_logerr2 (errno, typ, "Failed to set frequency %d\n", req->freq);
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316 | 85571bc7 | bellard | goto err;
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317 | 85571bc7 | bellard | } |
318 | 85571bc7 | bellard | |
319 | 902e2b51 | malc | if (ioctl (fd, SNDCTL_DSP_NONBLOCK, NULL)) { |
320 | 1d14ffa9 | bellard | oss_logerr2 (errno, typ, "Failed to set non-blocking mode\n");
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321 | 85571bc7 | bellard | goto err;
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322 | 85571bc7 | bellard | } |
323 | 85571bc7 | bellard | |
324 | 78d9356d | malc | #ifdef USE_DSP_POLICY
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325 | 6d246526 | malc | if (conf.policy >= 0) { |
326 | 6d246526 | malc | int version;
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327 | 0b3652bc | malc | |
328 | 72ff25e4 | Juergen Lock | if (!oss_get_version (fd, &version, typ)) {
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329 | 3d709fe7 | malc | if (conf.debug) {
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330 | 3d709fe7 | malc | dolog ("OSS version = %#x\n", version);
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331 | 3d709fe7 | malc | } |
332 | 6d246526 | malc | |
333 | 3d709fe7 | malc | if (version >= 0x040000) { |
334 | 3d709fe7 | malc | int policy = conf.policy;
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335 | 3d709fe7 | malc | if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) {
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336 | 3d709fe7 | malc | oss_logerr2 (errno, typ, |
337 | 3d709fe7 | malc | "Failed to set timing policy to %d\n",
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338 | 3d709fe7 | malc | conf.policy); |
339 | 3d709fe7 | malc | goto err;
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340 | 3d709fe7 | malc | } |
341 | 3d709fe7 | malc | setfragment = 0;
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342 | 6d246526 | malc | } |
343 | 0b3652bc | malc | } |
344 | 0b3652bc | malc | } |
345 | 0b3652bc | malc | #endif
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346 | 3d709fe7 | malc | |
347 | 3d709fe7 | malc | if (setfragment) {
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348 | 0b3652bc | malc | int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize); |
349 | 0b3652bc | malc | if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) {
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350 | 0b3652bc | malc | oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n",
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351 | 0b3652bc | malc | req->nfrags, req->fragsize); |
352 | 0b3652bc | malc | goto err;
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353 | 0b3652bc | malc | } |
354 | 85571bc7 | bellard | } |
355 | 85571bc7 | bellard | |
356 | 1d14ffa9 | bellard | if (ioctl (fd, in ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &abinfo)) {
|
357 | 1d14ffa9 | bellard | oss_logerr2 (errno, typ, "Failed to get buffer length\n");
|
358 | 85571bc7 | bellard | goto err;
|
359 | 85571bc7 | bellard | } |
360 | 85571bc7 | bellard | |
361 | 29ddf27b | malc | if (!abinfo.fragstotal || !abinfo.fragsize) {
|
362 | 29ddf27b | malc | AUD_log (AUDIO_CAP, "Returned bogus buffer information(%d, %d) for %s\n",
|
363 | 29ddf27b | malc | abinfo.fragstotal, abinfo.fragsize, typ); |
364 | 29ddf27b | malc | goto err;
|
365 | 29ddf27b | malc | } |
366 | 29ddf27b | malc | |
367 | 85571bc7 | bellard | obt->fmt = fmt; |
368 | 85571bc7 | bellard | obt->nchannels = nchannels; |
369 | 85571bc7 | bellard | obt->freq = freq; |
370 | 85571bc7 | bellard | obt->nfrags = abinfo.fragstotal; |
371 | 85571bc7 | bellard | obt->fragsize = abinfo.fragsize; |
372 | 85571bc7 | bellard | *pfd = fd; |
373 | 85571bc7 | bellard | |
374 | c0fe3827 | bellard | #ifdef DEBUG_MISMATCHES
|
375 | 85571bc7 | bellard | if ((req->fmt != obt->fmt) ||
|
376 | 85571bc7 | bellard | (req->nchannels != obt->nchannels) || |
377 | 85571bc7 | bellard | (req->freq != obt->freq) || |
378 | 85571bc7 | bellard | (req->fragsize != obt->fragsize) || |
379 | 85571bc7 | bellard | (req->nfrags != obt->nfrags)) { |
380 | 85571bc7 | bellard | dolog ("Audio parameters mismatch\n");
|
381 | 1d14ffa9 | bellard | oss_dump_info (req, obt); |
382 | 85571bc7 | bellard | } |
383 | c0fe3827 | bellard | #endif
|
384 | 85571bc7 | bellard | |
385 | 1d14ffa9 | bellard | #ifdef DEBUG
|
386 | 1d14ffa9 | bellard | oss_dump_info (req, obt); |
387 | 85571bc7 | bellard | #endif
|
388 | 85571bc7 | bellard | return 0; |
389 | 85571bc7 | bellard | |
390 | 1d14ffa9 | bellard | err:
|
391 | 1d14ffa9 | bellard | oss_anal_close (&fd); |
392 | 85571bc7 | bellard | return -1; |
393 | 85571bc7 | bellard | } |
394 | 85571bc7 | bellard | |
395 | 9d168976 | malc | static void oss_write_pending (OSSVoiceOut *oss) |
396 | 9d168976 | malc | { |
397 | 9d168976 | malc | HWVoiceOut *hw = &oss->hw; |
398 | 9d168976 | malc | |
399 | 9d168976 | malc | if (oss->mmapped) {
|
400 | 9d168976 | malc | return;
|
401 | 9d168976 | malc | } |
402 | 9d168976 | malc | |
403 | 9d168976 | malc | while (oss->pending) {
|
404 | 9d168976 | malc | int samples_written;
|
405 | 9d168976 | malc | ssize_t bytes_written; |
406 | 9d168976 | malc | int samples_till_end = hw->samples - oss->wpos;
|
407 | 9d168976 | malc | int samples_to_write = audio_MIN (oss->pending, samples_till_end);
|
408 | 9d168976 | malc | int bytes_to_write = samples_to_write << hw->info.shift;
|
409 | 9d168976 | malc | void *pcm = advance (oss->pcm_buf, oss->wpos << hw->info.shift);
|
410 | 9d168976 | malc | |
411 | 9d168976 | malc | bytes_written = write (oss->fd, pcm, bytes_to_write); |
412 | 9d168976 | malc | if (bytes_written < 0) { |
413 | 9d168976 | malc | if (errno != EAGAIN) {
|
414 | 9d168976 | malc | oss_logerr (errno, "failed to write %d bytes\n",
|
415 | 9d168976 | malc | bytes_to_write); |
416 | 9d168976 | malc | } |
417 | 9d168976 | malc | break;
|
418 | 9d168976 | malc | } |
419 | 9d168976 | malc | |
420 | 9d168976 | malc | if (bytes_written & hw->info.align) {
|
421 | 9d168976 | malc | dolog ("misaligned write asked for %d, but got %zd\n",
|
422 | 9d168976 | malc | bytes_to_write, bytes_written); |
423 | 9d168976 | malc | return;
|
424 | 9d168976 | malc | } |
425 | 9d168976 | malc | |
426 | 9d168976 | malc | samples_written = bytes_written >> hw->info.shift; |
427 | 9d168976 | malc | oss->pending -= samples_written; |
428 | 9d168976 | malc | oss->wpos = (oss->wpos + samples_written) % hw->samples; |
429 | 9d168976 | malc | if (bytes_written - bytes_to_write) {
|
430 | 9d168976 | malc | break;
|
431 | 9d168976 | malc | } |
432 | 9d168976 | malc | } |
433 | 9d168976 | malc | } |
434 | 9d168976 | malc | |
435 | bdff253c | malc | static int oss_run_out (HWVoiceOut *hw, int live) |
436 | 85571bc7 | bellard | { |
437 | 1d14ffa9 | bellard | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
438 | bdff253c | malc | int err, decr;
|
439 | 85571bc7 | bellard | struct audio_buf_info abinfo;
|
440 | 85571bc7 | bellard | struct count_info cntinfo;
|
441 | c0fe3827 | bellard | int bufsize;
|
442 | 85571bc7 | bellard | |
443 | c0fe3827 | bellard | bufsize = hw->samples << hw->info.shift; |
444 | c0fe3827 | bellard | |
445 | 85571bc7 | bellard | if (oss->mmapped) {
|
446 | 54762b73 | malc | int bytes, pos;
|
447 | 85571bc7 | bellard | |
448 | 85571bc7 | bellard | err = ioctl (oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo); |
449 | 85571bc7 | bellard | if (err < 0) { |
450 | 1d14ffa9 | bellard | oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
|
451 | 1d14ffa9 | bellard | return 0; |
452 | 85571bc7 | bellard | } |
453 | 85571bc7 | bellard | |
454 | 54762b73 | malc | pos = hw->rpos << hw->info.shift; |
455 | 54762b73 | malc | bytes = audio_ring_dist (cntinfo.ptr, pos, bufsize); |
456 | 1d14ffa9 | bellard | decr = audio_MIN (bytes >> hw->info.shift, live); |
457 | 85571bc7 | bellard | } |
458 | 85571bc7 | bellard | else {
|
459 | 85571bc7 | bellard | err = ioctl (oss->fd, SNDCTL_DSP_GETOSPACE, &abinfo); |
460 | 85571bc7 | bellard | if (err < 0) { |
461 | 1d14ffa9 | bellard | oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n");
|
462 | 1d14ffa9 | bellard | return 0; |
463 | 1d14ffa9 | bellard | } |
464 | 1d14ffa9 | bellard | |
465 | 8ead62cf | bellard | if (abinfo.bytes > bufsize) {
|
466 | 8ead62cf | bellard | if (conf.debug) {
|
467 | 8ead62cf | bellard | dolog ("warning: Invalid available size, size=%d bufsize=%d\n"
|
468 | 155a8ad3 | malc | "please report your OS/audio hw to av1474@comtv.ru\n",
|
469 | 8ead62cf | bellard | abinfo.bytes, bufsize); |
470 | 8ead62cf | bellard | } |
471 | 8ead62cf | bellard | abinfo.bytes = bufsize; |
472 | 8ead62cf | bellard | } |
473 | 8ead62cf | bellard | |
474 | 8ead62cf | bellard | if (abinfo.bytes < 0) { |
475 | 8ead62cf | bellard | if (conf.debug) {
|
476 | 8ead62cf | bellard | dolog ("warning: Invalid available size, size=%d bufsize=%d\n",
|
477 | 8ead62cf | bellard | abinfo.bytes, bufsize); |
478 | 8ead62cf | bellard | } |
479 | 1d14ffa9 | bellard | return 0; |
480 | 85571bc7 | bellard | } |
481 | 85571bc7 | bellard | |
482 | 1d14ffa9 | bellard | decr = audio_MIN (abinfo.bytes >> hw->info.shift, live); |
483 | 1d14ffa9 | bellard | if (!decr) {
|
484 | 1d14ffa9 | bellard | return 0; |
485 | 1d14ffa9 | bellard | } |
486 | 85571bc7 | bellard | } |
487 | 85571bc7 | bellard | |
488 | 9d168976 | malc | decr = audio_pcm_hw_clip_out (hw, oss->pcm_buf, decr, oss->pending); |
489 | 9d168976 | malc | oss->pending += decr; |
490 | 9d168976 | malc | oss_write_pending (oss); |
491 | 85571bc7 | bellard | |
492 | 1d14ffa9 | bellard | return decr;
|
493 | 85571bc7 | bellard | } |
494 | 85571bc7 | bellard | |
495 | 1d14ffa9 | bellard | static void oss_fini_out (HWVoiceOut *hw) |
496 | 85571bc7 | bellard | { |
497 | 85571bc7 | bellard | int err;
|
498 | 1d14ffa9 | bellard | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
499 | 85571bc7 | bellard | |
500 | 1d14ffa9 | bellard | ldebug ("oss_fini\n");
|
501 | 1d14ffa9 | bellard | oss_anal_close (&oss->fd); |
502 | 85571bc7 | bellard | |
503 | 85571bc7 | bellard | if (oss->pcm_buf) {
|
504 | 85571bc7 | bellard | if (oss->mmapped) {
|
505 | c0fe3827 | bellard | err = munmap (oss->pcm_buf, hw->samples << hw->info.shift); |
506 | 85571bc7 | bellard | if (err) {
|
507 | 1d14ffa9 | bellard | oss_logerr (errno, "Failed to unmap buffer %p, size %d\n",
|
508 | c0fe3827 | bellard | oss->pcm_buf, hw->samples << hw->info.shift); |
509 | 85571bc7 | bellard | } |
510 | 85571bc7 | bellard | } |
511 | 85571bc7 | bellard | else {
|
512 | 7267c094 | Anthony Liguori | g_free (oss->pcm_buf); |
513 | 85571bc7 | bellard | } |
514 | 85571bc7 | bellard | oss->pcm_buf = NULL;
|
515 | 85571bc7 | bellard | } |
516 | 85571bc7 | bellard | } |
517 | 85571bc7 | bellard | |
518 | 1ea879e5 | malc | static int oss_init_out (HWVoiceOut *hw, struct audsettings *as) |
519 | 85571bc7 | bellard | { |
520 | 1d14ffa9 | bellard | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
521 | 85571bc7 | bellard | struct oss_params req, obt;
|
522 | 1d14ffa9 | bellard | int endianness;
|
523 | 1d14ffa9 | bellard | int err;
|
524 | 1d14ffa9 | bellard | int fd;
|
525 | 1d14ffa9 | bellard | audfmt_e effective_fmt; |
526 | 1ea879e5 | malc | struct audsettings obt_as;
|
527 | 85571bc7 | bellard | |
528 | 571ec3d6 | bellard | oss->fd = -1;
|
529 | 571ec3d6 | bellard | |
530 | b6c9c940 | Michael Walle | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
531 | c0fe3827 | bellard | req.freq = as->freq; |
532 | c0fe3827 | bellard | req.nchannels = as->nchannels; |
533 | 85571bc7 | bellard | req.fragsize = conf.fragsize; |
534 | 85571bc7 | bellard | req.nfrags = conf.nfrags; |
535 | 85571bc7 | bellard | |
536 | 1d14ffa9 | bellard | if (oss_open (0, &req, &obt, &fd)) { |
537 | 85571bc7 | bellard | return -1; |
538 | 1d14ffa9 | bellard | } |
539 | 85571bc7 | bellard | |
540 | 1d14ffa9 | bellard | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
541 | 1d14ffa9 | bellard | if (err) {
|
542 | 1d14ffa9 | bellard | oss_anal_close (&fd); |
543 | 1d14ffa9 | bellard | return -1; |
544 | 1d14ffa9 | bellard | } |
545 | 85571bc7 | bellard | |
546 | c0fe3827 | bellard | obt_as.freq = obt.freq; |
547 | c0fe3827 | bellard | obt_as.nchannels = obt.nchannels; |
548 | c0fe3827 | bellard | obt_as.fmt = effective_fmt; |
549 | d929eba5 | bellard | obt_as.endianness = endianness; |
550 | c0fe3827 | bellard | |
551 | d929eba5 | bellard | audio_pcm_init_info (&hw->info, &obt_as); |
552 | 85571bc7 | bellard | oss->nfrags = obt.nfrags; |
553 | 85571bc7 | bellard | oss->fragsize = obt.fragsize; |
554 | c0fe3827 | bellard | |
555 | c0fe3827 | bellard | if (obt.nfrags * obt.fragsize & hw->info.align) {
|
556 | c0fe3827 | bellard | dolog ("warning: Misaligned DAC buffer, size %d, alignment %d\n",
|
557 | c0fe3827 | bellard | obt.nfrags * obt.fragsize, hw->info.align + 1);
|
558 | c0fe3827 | bellard | } |
559 | c0fe3827 | bellard | |
560 | c0fe3827 | bellard | hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift; |
561 | 85571bc7 | bellard | |
562 | 85571bc7 | bellard | oss->mmapped = 0;
|
563 | 85571bc7 | bellard | if (conf.try_mmap) {
|
564 | c0fe3827 | bellard | oss->pcm_buf = mmap ( |
565 | 660f11be | Blue Swirl | NULL,
|
566 | c0fe3827 | bellard | hw->samples << hw->info.shift, |
567 | c0fe3827 | bellard | PROT_READ | PROT_WRITE, |
568 | c0fe3827 | bellard | MAP_SHARED, |
569 | c0fe3827 | bellard | fd, |
570 | c0fe3827 | bellard | 0
|
571 | c0fe3827 | bellard | ); |
572 | 85571bc7 | bellard | if (oss->pcm_buf == MAP_FAILED) {
|
573 | 1d14ffa9 | bellard | oss_logerr (errno, "Failed to map %d bytes of DAC\n",
|
574 | c0fe3827 | bellard | hw->samples << hw->info.shift); |
575 | 54762b73 | malc | } |
576 | 54762b73 | malc | else {
|
577 | 85571bc7 | bellard | int err;
|
578 | 85571bc7 | bellard | int trig = 0; |
579 | 1d14ffa9 | bellard | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
580 | 1d14ffa9 | bellard | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
|
581 | 85571bc7 | bellard | } |
582 | 44a095a7 | bellard | else {
|
583 | 44a095a7 | bellard | trig = PCM_ENABLE_OUTPUT; |
584 | 1d14ffa9 | bellard | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
585 | 1d14ffa9 | bellard | oss_logerr ( |
586 | 1d14ffa9 | bellard | errno, |
587 | 1d14ffa9 | bellard | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
|
588 | 1d14ffa9 | bellard | ); |
589 | 44a095a7 | bellard | } |
590 | 44a095a7 | bellard | else {
|
591 | 44a095a7 | bellard | oss->mmapped = 1;
|
592 | 44a095a7 | bellard | } |
593 | 85571bc7 | bellard | } |
594 | 85571bc7 | bellard | |
595 | 44a095a7 | bellard | if (!oss->mmapped) {
|
596 | c0fe3827 | bellard | err = munmap (oss->pcm_buf, hw->samples << hw->info.shift); |
597 | 44a095a7 | bellard | if (err) {
|
598 | 1d14ffa9 | bellard | oss_logerr (errno, "Failed to unmap buffer %p size %d\n",
|
599 | c0fe3827 | bellard | oss->pcm_buf, hw->samples << hw->info.shift); |
600 | 44a095a7 | bellard | } |
601 | 85571bc7 | bellard | } |
602 | 85571bc7 | bellard | } |
603 | 85571bc7 | bellard | } |
604 | 85571bc7 | bellard | |
605 | 85571bc7 | bellard | if (!oss->mmapped) {
|
606 | c0fe3827 | bellard | oss->pcm_buf = audio_calloc ( |
607 | c0fe3827 | bellard | AUDIO_FUNC, |
608 | c0fe3827 | bellard | hw->samples, |
609 | c0fe3827 | bellard | 1 << hw->info.shift
|
610 | c0fe3827 | bellard | ); |
611 | 85571bc7 | bellard | if (!oss->pcm_buf) {
|
612 | b41cffbe | bellard | dolog ( |
613 | b41cffbe | bellard | "Could not allocate DAC buffer (%d samples, each %d bytes)\n",
|
614 | b41cffbe | bellard | hw->samples, |
615 | b41cffbe | bellard | 1 << hw->info.shift
|
616 | b41cffbe | bellard | ); |
617 | 1d14ffa9 | bellard | oss_anal_close (&fd); |
618 | 85571bc7 | bellard | return -1; |
619 | 85571bc7 | bellard | } |
620 | 85571bc7 | bellard | } |
621 | 85571bc7 | bellard | |
622 | 1d14ffa9 | bellard | oss->fd = fd; |
623 | 85571bc7 | bellard | return 0; |
624 | 85571bc7 | bellard | } |
625 | 85571bc7 | bellard | |
626 | 1d14ffa9 | bellard | static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...) |
627 | 85571bc7 | bellard | { |
628 | 85571bc7 | bellard | int trig;
|
629 | 1d14ffa9 | bellard | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
630 | 85571bc7 | bellard | |
631 | 85571bc7 | bellard | switch (cmd) {
|
632 | 85571bc7 | bellard | case VOICE_ENABLE:
|
633 | 301901b5 | malc | { |
634 | 301901b5 | malc | va_list ap; |
635 | 301901b5 | malc | int poll_mode;
|
636 | dd8a5649 | malc | |
637 | 301901b5 | malc | va_start (ap, cmd); |
638 | 301901b5 | malc | poll_mode = va_arg (ap, int);
|
639 | 301901b5 | malc | va_end (ap); |
640 | dd8a5649 | malc | |
641 | 301901b5 | malc | ldebug ("enabling voice\n");
|
642 | 301901b5 | malc | if (poll_mode && oss_poll_out (hw)) {
|
643 | 301901b5 | malc | poll_mode = 0;
|
644 | 301901b5 | malc | } |
645 | 301901b5 | malc | hw->poll_mode = poll_mode; |
646 | 301901b5 | malc | |
647 | 301901b5 | malc | if (!oss->mmapped) {
|
648 | 301901b5 | malc | return 0; |
649 | 301901b5 | malc | } |
650 | 301901b5 | malc | |
651 | 301901b5 | malc | audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples); |
652 | 301901b5 | malc | trig = PCM_ENABLE_OUTPUT; |
653 | 301901b5 | malc | if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
654 | 301901b5 | malc | oss_logerr ( |
655 | 301901b5 | malc | errno, |
656 | 301901b5 | malc | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"
|
657 | 301901b5 | malc | ); |
658 | 301901b5 | malc | return -1; |
659 | 301901b5 | malc | } |
660 | 85571bc7 | bellard | } |
661 | 85571bc7 | bellard | break;
|
662 | 85571bc7 | bellard | |
663 | 85571bc7 | bellard | case VOICE_DISABLE:
|
664 | dd8a5649 | malc | if (hw->poll_mode) {
|
665 | dd8a5649 | malc | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
666 | dd8a5649 | malc | hw->poll_mode = 0;
|
667 | dd8a5649 | malc | } |
668 | dd8a5649 | malc | |
669 | dd8a5649 | malc | if (!oss->mmapped) {
|
670 | dd8a5649 | malc | return 0; |
671 | dd8a5649 | malc | } |
672 | dd8a5649 | malc | |
673 | 85571bc7 | bellard | ldebug ("disabling voice\n");
|
674 | 85571bc7 | bellard | trig = 0;
|
675 | 85571bc7 | bellard | if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
676 | 1d14ffa9 | bellard | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n");
|
677 | 85571bc7 | bellard | return -1; |
678 | 85571bc7 | bellard | } |
679 | 85571bc7 | bellard | break;
|
680 | 85571bc7 | bellard | } |
681 | 85571bc7 | bellard | return 0; |
682 | 85571bc7 | bellard | } |
683 | 85571bc7 | bellard | |
684 | 1ea879e5 | malc | static int oss_init_in (HWVoiceIn *hw, struct audsettings *as) |
685 | 1d14ffa9 | bellard | { |
686 | 1d14ffa9 | bellard | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
687 | 1d14ffa9 | bellard | struct oss_params req, obt;
|
688 | 1d14ffa9 | bellard | int endianness;
|
689 | 1d14ffa9 | bellard | int err;
|
690 | 1d14ffa9 | bellard | int fd;
|
691 | 1d14ffa9 | bellard | audfmt_e effective_fmt; |
692 | 1ea879e5 | malc | struct audsettings obt_as;
|
693 | 1d14ffa9 | bellard | |
694 | 571ec3d6 | bellard | oss->fd = -1;
|
695 | 571ec3d6 | bellard | |
696 | b6c9c940 | Michael Walle | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
697 | c0fe3827 | bellard | req.freq = as->freq; |
698 | c0fe3827 | bellard | req.nchannels = as->nchannels; |
699 | 1d14ffa9 | bellard | req.fragsize = conf.fragsize; |
700 | 1d14ffa9 | bellard | req.nfrags = conf.nfrags; |
701 | 1d14ffa9 | bellard | if (oss_open (1, &req, &obt, &fd)) { |
702 | 1d14ffa9 | bellard | return -1; |
703 | 1d14ffa9 | bellard | } |
704 | 1d14ffa9 | bellard | |
705 | 1d14ffa9 | bellard | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
706 | 1d14ffa9 | bellard | if (err) {
|
707 | 1d14ffa9 | bellard | oss_anal_close (&fd); |
708 | 1d14ffa9 | bellard | return -1; |
709 | 1d14ffa9 | bellard | } |
710 | 1d14ffa9 | bellard | |
711 | c0fe3827 | bellard | obt_as.freq = obt.freq; |
712 | c0fe3827 | bellard | obt_as.nchannels = obt.nchannels; |
713 | c0fe3827 | bellard | obt_as.fmt = effective_fmt; |
714 | d929eba5 | bellard | obt_as.endianness = endianness; |
715 | c0fe3827 | bellard | |
716 | d929eba5 | bellard | audio_pcm_init_info (&hw->info, &obt_as); |
717 | 1d14ffa9 | bellard | oss->nfrags = obt.nfrags; |
718 | 1d14ffa9 | bellard | oss->fragsize = obt.fragsize; |
719 | c0fe3827 | bellard | |
720 | c0fe3827 | bellard | if (obt.nfrags * obt.fragsize & hw->info.align) {
|
721 | c0fe3827 | bellard | dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n",
|
722 | c0fe3827 | bellard | obt.nfrags * obt.fragsize, hw->info.align + 1);
|
723 | c0fe3827 | bellard | } |
724 | c0fe3827 | bellard | |
725 | c0fe3827 | bellard | hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift; |
726 | c0fe3827 | bellard | oss->pcm_buf = audio_calloc (AUDIO_FUNC, hw->samples, 1 << hw->info.shift);
|
727 | 1d14ffa9 | bellard | if (!oss->pcm_buf) {
|
728 | b41cffbe | bellard | dolog ("Could not allocate ADC buffer (%d samples, each %d bytes)\n",
|
729 | b41cffbe | bellard | hw->samples, 1 << hw->info.shift);
|
730 | 1d14ffa9 | bellard | oss_anal_close (&fd); |
731 | 1d14ffa9 | bellard | return -1; |
732 | 1d14ffa9 | bellard | } |
733 | 1d14ffa9 | bellard | |
734 | 1d14ffa9 | bellard | oss->fd = fd; |
735 | 1d14ffa9 | bellard | return 0; |
736 | 1d14ffa9 | bellard | } |
737 | 1d14ffa9 | bellard | |
738 | 1d14ffa9 | bellard | static void oss_fini_in (HWVoiceIn *hw) |
739 | 1d14ffa9 | bellard | { |
740 | 1d14ffa9 | bellard | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
741 | 1d14ffa9 | bellard | |
742 | 1d14ffa9 | bellard | oss_anal_close (&oss->fd); |
743 | 1d14ffa9 | bellard | |
744 | 1d14ffa9 | bellard | if (oss->pcm_buf) {
|
745 | 7267c094 | Anthony Liguori | g_free (oss->pcm_buf); |
746 | 1d14ffa9 | bellard | oss->pcm_buf = NULL;
|
747 | 1d14ffa9 | bellard | } |
748 | 1d14ffa9 | bellard | } |
749 | 1d14ffa9 | bellard | |
750 | 1d14ffa9 | bellard | static int oss_run_in (HWVoiceIn *hw) |
751 | 1d14ffa9 | bellard | { |
752 | 1d14ffa9 | bellard | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
753 | 1d14ffa9 | bellard | int hwshift = hw->info.shift;
|
754 | 1d14ffa9 | bellard | int i;
|
755 | 1d14ffa9 | bellard | int live = audio_pcm_hw_get_live_in (hw);
|
756 | 1d14ffa9 | bellard | int dead = hw->samples - live;
|
757 | 1d14ffa9 | bellard | size_t read_samples = 0;
|
758 | 1d14ffa9 | bellard | struct {
|
759 | 1d14ffa9 | bellard | int add;
|
760 | 1d14ffa9 | bellard | int len;
|
761 | 1d14ffa9 | bellard | } bufs[2] = {
|
762 | 98f9f48c | malc | { .add = hw->wpos, .len = 0 },
|
763 | 98f9f48c | malc | { .add = 0, .len = 0 } |
764 | 1d14ffa9 | bellard | }; |
765 | 1d14ffa9 | bellard | |
766 | 1d14ffa9 | bellard | if (!dead) {
|
767 | 1d14ffa9 | bellard | return 0; |
768 | 1d14ffa9 | bellard | } |
769 | 1d14ffa9 | bellard | |
770 | 1d14ffa9 | bellard | if (hw->wpos + dead > hw->samples) {
|
771 | 1d14ffa9 | bellard | bufs[0].len = (hw->samples - hw->wpos) << hwshift;
|
772 | 1d14ffa9 | bellard | bufs[1].len = (dead - (hw->samples - hw->wpos)) << hwshift;
|
773 | 1d14ffa9 | bellard | } |
774 | 1d14ffa9 | bellard | else {
|
775 | 1d14ffa9 | bellard | bufs[0].len = dead << hwshift;
|
776 | 1d14ffa9 | bellard | } |
777 | 1d14ffa9 | bellard | |
778 | 1d14ffa9 | bellard | for (i = 0; i < 2; ++i) { |
779 | 1d14ffa9 | bellard | ssize_t nread; |
780 | 1d14ffa9 | bellard | |
781 | 1d14ffa9 | bellard | if (bufs[i].len) {
|
782 | 1d14ffa9 | bellard | void *p = advance (oss->pcm_buf, bufs[i].add << hwshift);
|
783 | 1d14ffa9 | bellard | nread = read (oss->fd, p, bufs[i].len); |
784 | 1d14ffa9 | bellard | |
785 | 1d14ffa9 | bellard | if (nread > 0) { |
786 | 1d14ffa9 | bellard | if (nread & hw->info.align) {
|
787 | b41cffbe | bellard | dolog ("warning: Misaligned read %zd (requested %d), "
|
788 | 1d14ffa9 | bellard | "alignment %d\n", nread, bufs[i].add << hwshift,
|
789 | 1d14ffa9 | bellard | hw->info.align + 1);
|
790 | 1d14ffa9 | bellard | } |
791 | 1d14ffa9 | bellard | read_samples += nread >> hwshift; |
792 | 00e07679 | Michael Walle | hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift); |
793 | 1d14ffa9 | bellard | } |
794 | 1d14ffa9 | bellard | |
795 | 1d14ffa9 | bellard | if (bufs[i].len - nread) {
|
796 | 1d14ffa9 | bellard | if (nread == -1) { |
797 | 1d14ffa9 | bellard | switch (errno) {
|
798 | 1d14ffa9 | bellard | case EINTR:
|
799 | 1d14ffa9 | bellard | case EAGAIN:
|
800 | 1d14ffa9 | bellard | break;
|
801 | 1d14ffa9 | bellard | default:
|
802 | 1d14ffa9 | bellard | oss_logerr ( |
803 | 1d14ffa9 | bellard | errno, |
804 | 1d14ffa9 | bellard | "Failed to read %d bytes of audio (to %p)\n",
|
805 | 1d14ffa9 | bellard | bufs[i].len, p |
806 | 1d14ffa9 | bellard | ); |
807 | 1d14ffa9 | bellard | break;
|
808 | 1d14ffa9 | bellard | } |
809 | 1d14ffa9 | bellard | } |
810 | 1d14ffa9 | bellard | break;
|
811 | 1d14ffa9 | bellard | } |
812 | 1d14ffa9 | bellard | } |
813 | 1d14ffa9 | bellard | } |
814 | 1d14ffa9 | bellard | |
815 | 1d14ffa9 | bellard | hw->wpos = (hw->wpos + read_samples) % hw->samples; |
816 | 1d14ffa9 | bellard | return read_samples;
|
817 | 1d14ffa9 | bellard | } |
818 | 1d14ffa9 | bellard | |
819 | 1d14ffa9 | bellard | static int oss_read (SWVoiceIn *sw, void *buf, int size) |
820 | 1d14ffa9 | bellard | { |
821 | 1d14ffa9 | bellard | return audio_pcm_sw_read (sw, buf, size);
|
822 | 1d14ffa9 | bellard | } |
823 | 1d14ffa9 | bellard | |
824 | 1d14ffa9 | bellard | static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...) |
825 | 1d14ffa9 | bellard | { |
826 | dd8a5649 | malc | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
827 | dd8a5649 | malc | |
828 | dd8a5649 | malc | switch (cmd) {
|
829 | dd8a5649 | malc | case VOICE_ENABLE:
|
830 | a628b869 | malc | { |
831 | a628b869 | malc | va_list ap; |
832 | a628b869 | malc | int poll_mode;
|
833 | a628b869 | malc | |
834 | a628b869 | malc | va_start (ap, cmd); |
835 | a628b869 | malc | poll_mode = va_arg (ap, int);
|
836 | a628b869 | malc | va_end (ap); |
837 | a628b869 | malc | |
838 | a628b869 | malc | if (poll_mode && oss_poll_in (hw)) {
|
839 | a628b869 | malc | poll_mode = 0;
|
840 | a628b869 | malc | } |
841 | a628b869 | malc | hw->poll_mode = poll_mode; |
842 | dd8a5649 | malc | } |
843 | dd8a5649 | malc | break;
|
844 | dd8a5649 | malc | |
845 | dd8a5649 | malc | case VOICE_DISABLE:
|
846 | dd8a5649 | malc | if (hw->poll_mode) {
|
847 | dd8a5649 | malc | hw->poll_mode = 0;
|
848 | dd8a5649 | malc | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
849 | dd8a5649 | malc | } |
850 | dd8a5649 | malc | break;
|
851 | dd8a5649 | malc | } |
852 | 1d14ffa9 | bellard | return 0; |
853 | 1d14ffa9 | bellard | } |
854 | 1d14ffa9 | bellard | |
855 | 85571bc7 | bellard | static void *oss_audio_init (void) |
856 | 85571bc7 | bellard | { |
857 | 85571bc7 | bellard | return &conf;
|
858 | 85571bc7 | bellard | } |
859 | 85571bc7 | bellard | |
860 | 85571bc7 | bellard | static void oss_audio_fini (void *opaque) |
861 | 85571bc7 | bellard | { |
862 | 1d14ffa9 | bellard | (void) opaque;
|
863 | 85571bc7 | bellard | } |
864 | 85571bc7 | bellard | |
865 | 1d14ffa9 | bellard | static struct audio_option oss_options[] = { |
866 | 98f9f48c | malc | { |
867 | 98f9f48c | malc | .name = "FRAGSIZE",
|
868 | 98f9f48c | malc | .tag = AUD_OPT_INT, |
869 | 98f9f48c | malc | .valp = &conf.fragsize, |
870 | 98f9f48c | malc | .descr = "Fragment size in bytes"
|
871 | 98f9f48c | malc | }, |
872 | 98f9f48c | malc | { |
873 | 98f9f48c | malc | .name = "NFRAGS",
|
874 | 98f9f48c | malc | .tag = AUD_OPT_INT, |
875 | 98f9f48c | malc | .valp = &conf.nfrags, |
876 | 98f9f48c | malc | .descr = "Number of fragments"
|
877 | 98f9f48c | malc | }, |
878 | 98f9f48c | malc | { |
879 | 98f9f48c | malc | .name = "MMAP",
|
880 | 98f9f48c | malc | .tag = AUD_OPT_BOOL, |
881 | 98f9f48c | malc | .valp = &conf.try_mmap, |
882 | 98f9f48c | malc | .descr = "Try using memory mapped access"
|
883 | 98f9f48c | malc | }, |
884 | 98f9f48c | malc | { |
885 | 98f9f48c | malc | .name = "DAC_DEV",
|
886 | 98f9f48c | malc | .tag = AUD_OPT_STR, |
887 | 98f9f48c | malc | .valp = &conf.devpath_out, |
888 | 98f9f48c | malc | .descr = "Path to DAC device"
|
889 | 98f9f48c | malc | }, |
890 | 98f9f48c | malc | { |
891 | 98f9f48c | malc | .name = "ADC_DEV",
|
892 | 98f9f48c | malc | .tag = AUD_OPT_STR, |
893 | 98f9f48c | malc | .valp = &conf.devpath_in, |
894 | 98f9f48c | malc | .descr = "Path to ADC device"
|
895 | 98f9f48c | malc | }, |
896 | 98f9f48c | malc | { |
897 | 0b3652bc | malc | .name = "EXCLUSIVE",
|
898 | 0b3652bc | malc | .tag = AUD_OPT_BOOL, |
899 | 0b3652bc | malc | .valp = &conf.exclusive, |
900 | 0b3652bc | malc | .descr = "Open device in exclusive mode (vmix wont work)"
|
901 | 0b3652bc | malc | }, |
902 | 78d9356d | malc | #ifdef USE_DSP_POLICY
|
903 | 0b3652bc | malc | { |
904 | 0b3652bc | malc | .name = "POLICY",
|
905 | 0b3652bc | malc | .tag = AUD_OPT_INT, |
906 | 0b3652bc | malc | .valp = &conf.policy, |
907 | 0b3652bc | malc | .descr = "Set the timing policy of the device, -1 to use fragment mode",
|
908 | 0b3652bc | malc | }, |
909 | 0b3652bc | malc | #endif
|
910 | 0b3652bc | malc | { |
911 | 98f9f48c | malc | .name = "DEBUG",
|
912 | 98f9f48c | malc | .tag = AUD_OPT_BOOL, |
913 | 98f9f48c | malc | .valp = &conf.debug, |
914 | 98f9f48c | malc | .descr = "Turn on some debugging messages"
|
915 | 98f9f48c | malc | }, |
916 | 2700efa3 | Juan Quintela | { /* End of list */ }
|
917 | 1d14ffa9 | bellard | }; |
918 | 1d14ffa9 | bellard | |
919 | 35f4b58c | blueswir1 | static struct audio_pcm_ops oss_pcm_ops = { |
920 | 1dd3e4d1 | Juan Quintela | .init_out = oss_init_out, |
921 | 1dd3e4d1 | Juan Quintela | .fini_out = oss_fini_out, |
922 | 1dd3e4d1 | Juan Quintela | .run_out = oss_run_out, |
923 | 1dd3e4d1 | Juan Quintela | .write = oss_write, |
924 | 1dd3e4d1 | Juan Quintela | .ctl_out = oss_ctl_out, |
925 | 1dd3e4d1 | Juan Quintela | |
926 | 1dd3e4d1 | Juan Quintela | .init_in = oss_init_in, |
927 | 1dd3e4d1 | Juan Quintela | .fini_in = oss_fini_in, |
928 | 1dd3e4d1 | Juan Quintela | .run_in = oss_run_in, |
929 | 1dd3e4d1 | Juan Quintela | .read = oss_read, |
930 | 1dd3e4d1 | Juan Quintela | .ctl_in = oss_ctl_in |
931 | 85571bc7 | bellard | }; |
932 | 85571bc7 | bellard | |
933 | 1d14ffa9 | bellard | struct audio_driver oss_audio_driver = {
|
934 | bee37f32 | Juan Quintela | .name = "oss",
|
935 | bee37f32 | Juan Quintela | .descr = "OSS http://www.opensound.com",
|
936 | bee37f32 | Juan Quintela | .options = oss_options, |
937 | bee37f32 | Juan Quintela | .init = oss_audio_init, |
938 | bee37f32 | Juan Quintela | .fini = oss_audio_fini, |
939 | bee37f32 | Juan Quintela | .pcm_ops = &oss_pcm_ops, |
940 | bee37f32 | Juan Quintela | .can_be_default = 1,
|
941 | bee37f32 | Juan Quintela | .max_voices_out = INT_MAX, |
942 | bee37f32 | Juan Quintela | .max_voices_in = INT_MAX, |
943 | bee37f32 | Juan Quintela | .voice_size_out = sizeof (OSSVoiceOut),
|
944 | bee37f32 | Juan Quintela | .voice_size_in = sizeof (OSSVoiceIn)
|
945 | 85571bc7 | bellard | }; |