bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 1 | /* |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 2 | * QEMU OSS audio driver |
| 3 | * |
| 4 | * Copyright (c) 2003-2005 Vassili Karpov (malc) |
| 5 | * |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
Peter Maydell | 6086a56 | 2016-01-18 17:33:52 +0000 | [diff] [blame] | 24 | #include "qemu/osdep.h" |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 25 | #include <sys/ioctl.h> |
| 26 | #include <sys/soundcard.h> |
pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 27 | #include "qemu-common.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 28 | #include "qemu/main-loop.h" |
| 29 | #include "qemu/host-utils.h" |
pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 30 | #include "audio.h" |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 31 | #include "trace.h" |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 32 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 33 | #define AUDIO_CAP "oss" |
| 34 | #include "audio_int.h" |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 35 | |
malc | 78d9356 | 2010-01-09 00:28:40 +0300 | [diff] [blame] | 36 | #if defined OSS_GETVERSION && defined SNDCTL_DSP_POLICY |
| 37 | #define USE_DSP_POLICY |
| 38 | #endif |
| 39 | |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 40 | typedef struct OSSConf { |
| 41 | int try_mmap; |
| 42 | int nfrags; |
| 43 | int fragsize; |
| 44 | const char *devpath_out; |
| 45 | const char *devpath_in; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 46 | int exclusive; |
| 47 | int policy; |
| 48 | } OSSConf; |
| 49 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 50 | typedef struct OSSVoiceOut { |
| 51 | HWVoiceOut hw; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 52 | void *pcm_buf; |
| 53 | int fd; |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 54 | int wpos; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 55 | int nfrags; |
| 56 | int fragsize; |
| 57 | int mmapped; |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 58 | int pending; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 59 | OSSConf *conf; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 60 | } OSSVoiceOut; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 61 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 62 | typedef struct OSSVoiceIn { |
| 63 | HWVoiceIn hw; |
| 64 | void *pcm_buf; |
| 65 | int fd; |
| 66 | int nfrags; |
| 67 | int fragsize; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 68 | OSSConf *conf; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 69 | } OSSVoiceIn; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 70 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 71 | struct oss_params { |
| 72 | int freq; |
| 73 | audfmt_e fmt; |
| 74 | int nchannels; |
| 75 | int nfrags; |
| 76 | int fragsize; |
| 77 | }; |
| 78 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 79 | static void GCC_FMT_ATTR (2, 3) oss_logerr (int err, const char *fmt, ...) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 80 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 81 | va_list ap; |
| 82 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 83 | va_start (ap, fmt); |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 84 | AUD_vlog (AUDIO_CAP, fmt, ap); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 85 | va_end (ap); |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 86 | |
| 87 | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err)); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 88 | } |
| 89 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 90 | static void GCC_FMT_ATTR (3, 4) oss_logerr2 ( |
| 91 | int err, |
| 92 | const char *typ, |
| 93 | const char *fmt, |
| 94 | ... |
| 95 | ) |
| 96 | { |
| 97 | va_list ap; |
| 98 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 99 | AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 100 | |
| 101 | va_start (ap, fmt); |
| 102 | AUD_vlog (AUDIO_CAP, fmt, ap); |
| 103 | va_end (ap); |
| 104 | |
| 105 | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err)); |
| 106 | } |
| 107 | |
| 108 | static void oss_anal_close (int *fdp) |
| 109 | { |
malc | 6ebfda1 | 2009-09-14 03:51:48 +0400 | [diff] [blame] | 110 | int err; |
| 111 | |
| 112 | qemu_set_fd_handler (*fdp, NULL, NULL, NULL); |
| 113 | err = close (*fdp); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 114 | if (err) { |
| 115 | oss_logerr (errno, "Failed to close file(fd=%d)\n", *fdp); |
| 116 | } |
| 117 | *fdp = -1; |
| 118 | } |
| 119 | |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 120 | static void oss_helper_poll_out (void *opaque) |
| 121 | { |
| 122 | (void) opaque; |
| 123 | audio_run ("oss_poll_out"); |
| 124 | } |
| 125 | |
| 126 | static void oss_helper_poll_in (void *opaque) |
| 127 | { |
| 128 | (void) opaque; |
| 129 | audio_run ("oss_poll_in"); |
| 130 | } |
| 131 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 132 | static void oss_poll_out (HWVoiceOut *hw) |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 133 | { |
| 134 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
| 135 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 136 | qemu_set_fd_handler (oss->fd, NULL, oss_helper_poll_out, NULL); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 137 | } |
| 138 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 139 | static void oss_poll_in (HWVoiceIn *hw) |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 140 | { |
| 141 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 142 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 143 | qemu_set_fd_handler (oss->fd, oss_helper_poll_in, NULL, NULL); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 144 | } |
| 145 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 146 | static int oss_write (SWVoiceOut *sw, void *buf, int len) |
| 147 | { |
| 148 | return audio_pcm_sw_write (sw, buf, len); |
| 149 | } |
| 150 | |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 151 | static int aud_to_ossfmt (audfmt_e fmt, int endianness) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 152 | { |
| 153 | switch (fmt) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 154 | case AUD_FMT_S8: |
| 155 | return AFMT_S8; |
| 156 | |
| 157 | case AUD_FMT_U8: |
| 158 | return AFMT_U8; |
| 159 | |
| 160 | case AUD_FMT_S16: |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 161 | if (endianness) { |
| 162 | return AFMT_S16_BE; |
| 163 | } |
| 164 | else { |
| 165 | return AFMT_S16_LE; |
| 166 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 167 | |
| 168 | case AUD_FMT_U16: |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 169 | if (endianness) { |
| 170 | return AFMT_U16_BE; |
| 171 | } |
| 172 | else { |
| 173 | return AFMT_U16_LE; |
| 174 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 175 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 176 | default: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 177 | dolog ("Internal logic error: Bad audio format %d\n", fmt); |
| 178 | #ifdef DEBUG_AUDIO |
| 179 | abort (); |
| 180 | #endif |
| 181 | return AFMT_U8; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 182 | } |
| 183 | } |
| 184 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 185 | static int oss_to_audfmt (int ossfmt, audfmt_e *fmt, int *endianness) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 186 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 187 | switch (ossfmt) { |
| 188 | case AFMT_S8: |
balrog | ca9cc28 | 2008-01-14 04:24:29 +0000 | [diff] [blame] | 189 | *endianness = 0; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 190 | *fmt = AUD_FMT_S8; |
| 191 | break; |
| 192 | |
| 193 | case AFMT_U8: |
| 194 | *endianness = 0; |
| 195 | *fmt = AUD_FMT_U8; |
| 196 | break; |
| 197 | |
| 198 | case AFMT_S16_LE: |
| 199 | *endianness = 0; |
| 200 | *fmt = AUD_FMT_S16; |
| 201 | break; |
| 202 | |
| 203 | case AFMT_U16_LE: |
| 204 | *endianness = 0; |
| 205 | *fmt = AUD_FMT_U16; |
| 206 | break; |
| 207 | |
| 208 | case AFMT_S16_BE: |
| 209 | *endianness = 1; |
| 210 | *fmt = AUD_FMT_S16; |
| 211 | break; |
| 212 | |
| 213 | case AFMT_U16_BE: |
| 214 | *endianness = 1; |
| 215 | *fmt = AUD_FMT_U16; |
| 216 | break; |
| 217 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 218 | default: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 219 | dolog ("Unrecognized audio format %d\n", ossfmt); |
| 220 | return -1; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 221 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 222 | |
| 223 | return 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 224 | } |
| 225 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 226 | #if defined DEBUG_MISMATCHES || defined DEBUG |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 227 | static void oss_dump_info (struct oss_params *req, struct oss_params *obt) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 228 | { |
| 229 | dolog ("parameter | requested value | obtained value\n"); |
| 230 | dolog ("format | %10d | %10d\n", req->fmt, obt->fmt); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 231 | dolog ("channels | %10d | %10d\n", |
| 232 | req->nchannels, obt->nchannels); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 233 | dolog ("frequency | %10d | %10d\n", req->freq, obt->freq); |
| 234 | dolog ("nfrags | %10d | %10d\n", req->nfrags, obt->nfrags); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 235 | dolog ("fragsize | %10d | %10d\n", |
| 236 | req->fragsize, obt->fragsize); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 237 | } |
| 238 | #endif |
| 239 | |
Juergen Lock | 72ff25e | 2010-01-12 23:48:04 +0100 | [diff] [blame] | 240 | #ifdef USE_DSP_POLICY |
| 241 | static int oss_get_version (int fd, int *version, const char *typ) |
| 242 | { |
| 243 | if (ioctl (fd, OSS_GETVERSION, &version)) { |
| 244 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
| 245 | /* |
| 246 | * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION |
| 247 | * since 7.x, but currently only on the mixer device (or in |
| 248 | * the Linuxolator), and in the native version that part of |
| 249 | * the code is in fact never reached so the ioctl fails anyway. |
| 250 | * Until this is fixed, just check the errno and if its what |
| 251 | * FreeBSD's sound drivers return atm assume they are new enough. |
| 252 | */ |
| 253 | if (errno == EINVAL) { |
| 254 | *version = 0x040000; |
| 255 | return 0; |
| 256 | } |
| 257 | #endif |
| 258 | oss_logerr2 (errno, typ, "Failed to get OSS version\n"); |
| 259 | return -1; |
| 260 | } |
| 261 | return 0; |
| 262 | } |
| 263 | #endif |
| 264 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 265 | static int oss_open (int in, struct oss_params *req, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 266 | struct oss_params *obt, int *pfd, OSSConf* conf) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 267 | { |
| 268 | int fd; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 269 | int oflags = conf->exclusive ? O_EXCL : 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 270 | audio_buf_info abinfo; |
| 271 | int fmt, freq, nchannels; |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 272 | int setfragment = 1; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 273 | const char *dspname = in ? conf->devpath_in : conf->devpath_out; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 274 | const char *typ = in ? "ADC" : "DAC"; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 275 | |
malc | 2182349 | 2009-09-11 10:13:55 +0400 | [diff] [blame] | 276 | /* Kludge needed to have working mmap on Linux */ |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 277 | oflags |= conf->try_mmap ? O_RDWR : (in ? O_RDONLY : O_WRONLY); |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 278 | |
malc | 2182349 | 2009-09-11 10:13:55 +0400 | [diff] [blame] | 279 | fd = open (dspname, oflags | O_NONBLOCK); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 280 | if (-1 == fd) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 281 | oss_logerr2 (errno, typ, "Failed to open `%s'\n", dspname); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 282 | return -1; |
| 283 | } |
| 284 | |
| 285 | freq = req->freq; |
| 286 | nchannels = req->nchannels; |
| 287 | fmt = req->fmt; |
| 288 | |
| 289 | if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 290 | oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 291 | goto err; |
| 292 | } |
| 293 | |
| 294 | if (ioctl (fd, SNDCTL_DSP_CHANNELS, &nchannels)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 295 | oss_logerr2 (errno, typ, "Failed to set number of channels %d\n", |
| 296 | req->nchannels); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 297 | goto err; |
| 298 | } |
| 299 | |
| 300 | if (ioctl (fd, SNDCTL_DSP_SPEED, &freq)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 301 | oss_logerr2 (errno, typ, "Failed to set frequency %d\n", req->freq); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 302 | goto err; |
| 303 | } |
| 304 | |
malc | 902e2b5 | 2008-07-02 18:03:12 +0000 | [diff] [blame] | 305 | if (ioctl (fd, SNDCTL_DSP_NONBLOCK, NULL)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 306 | oss_logerr2 (errno, typ, "Failed to set non-blocking mode\n"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 307 | goto err; |
| 308 | } |
| 309 | |
malc | 78d9356 | 2010-01-09 00:28:40 +0300 | [diff] [blame] | 310 | #ifdef USE_DSP_POLICY |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 311 | if (conf->policy >= 0) { |
malc | 6d24652 | 2010-01-09 17:54:07 +0300 | [diff] [blame] | 312 | int version; |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 313 | |
Juergen Lock | 72ff25e | 2010-01-12 23:48:04 +0100 | [diff] [blame] | 314 | if (!oss_get_version (fd, &version, typ)) { |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 315 | trace_oss_version(version); |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 316 | |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 317 | if (version >= 0x040000) { |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 318 | int policy = conf->policy; |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 319 | if (ioctl (fd, SNDCTL_DSP_POLICY, &policy)) { |
| 320 | oss_logerr2 (errno, typ, |
| 321 | "Failed to set timing policy to %d\n", |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 322 | conf->policy); |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 323 | goto err; |
| 324 | } |
| 325 | setfragment = 0; |
malc | 6d24652 | 2010-01-09 17:54:07 +0300 | [diff] [blame] | 326 | } |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 327 | } |
| 328 | } |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 329 | #endif |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 330 | |
| 331 | if (setfragment) { |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 332 | int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize); |
| 333 | if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) { |
| 334 | oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n", |
| 335 | req->nfrags, req->fragsize); |
| 336 | goto err; |
| 337 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 338 | } |
| 339 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 340 | if (ioctl (fd, in ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &abinfo)) { |
| 341 | oss_logerr2 (errno, typ, "Failed to get buffer length\n"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 342 | goto err; |
| 343 | } |
| 344 | |
malc | 29ddf27 | 2008-06-08 04:27:56 +0000 | [diff] [blame] | 345 | if (!abinfo.fragstotal || !abinfo.fragsize) { |
| 346 | AUD_log (AUDIO_CAP, "Returned bogus buffer information(%d, %d) for %s\n", |
| 347 | abinfo.fragstotal, abinfo.fragsize, typ); |
| 348 | goto err; |
| 349 | } |
| 350 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 351 | obt->fmt = fmt; |
| 352 | obt->nchannels = nchannels; |
| 353 | obt->freq = freq; |
| 354 | obt->nfrags = abinfo.fragstotal; |
| 355 | obt->fragsize = abinfo.fragsize; |
| 356 | *pfd = fd; |
| 357 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 358 | #ifdef DEBUG_MISMATCHES |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 359 | if ((req->fmt != obt->fmt) || |
| 360 | (req->nchannels != obt->nchannels) || |
| 361 | (req->freq != obt->freq) || |
| 362 | (req->fragsize != obt->fragsize) || |
| 363 | (req->nfrags != obt->nfrags)) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 364 | dolog ("Audio parameters mismatch\n"); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 365 | oss_dump_info (req, obt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 366 | } |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 367 | #endif |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 368 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 369 | #ifdef DEBUG |
| 370 | oss_dump_info (req, obt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 371 | #endif |
| 372 | return 0; |
| 373 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 374 | err: |
| 375 | oss_anal_close (&fd); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 376 | return -1; |
| 377 | } |
| 378 | |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 379 | static void oss_write_pending (OSSVoiceOut *oss) |
| 380 | { |
| 381 | HWVoiceOut *hw = &oss->hw; |
| 382 | |
| 383 | if (oss->mmapped) { |
| 384 | return; |
| 385 | } |
| 386 | |
| 387 | while (oss->pending) { |
| 388 | int samples_written; |
| 389 | ssize_t bytes_written; |
| 390 | int samples_till_end = hw->samples - oss->wpos; |
| 391 | int samples_to_write = audio_MIN (oss->pending, samples_till_end); |
| 392 | int bytes_to_write = samples_to_write << hw->info.shift; |
| 393 | void *pcm = advance (oss->pcm_buf, oss->wpos << hw->info.shift); |
| 394 | |
| 395 | bytes_written = write (oss->fd, pcm, bytes_to_write); |
| 396 | if (bytes_written < 0) { |
| 397 | if (errno != EAGAIN) { |
| 398 | oss_logerr (errno, "failed to write %d bytes\n", |
| 399 | bytes_to_write); |
| 400 | } |
| 401 | break; |
| 402 | } |
| 403 | |
| 404 | if (bytes_written & hw->info.align) { |
| 405 | dolog ("misaligned write asked for %d, but got %zd\n", |
| 406 | bytes_to_write, bytes_written); |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | samples_written = bytes_written >> hw->info.shift; |
| 411 | oss->pending -= samples_written; |
| 412 | oss->wpos = (oss->wpos + samples_written) % hw->samples; |
| 413 | if (bytes_written - bytes_to_write) { |
| 414 | break; |
| 415 | } |
| 416 | } |
| 417 | } |
| 418 | |
malc | bdff253 | 2009-09-18 11:37:39 +0400 | [diff] [blame] | 419 | static int oss_run_out (HWVoiceOut *hw, int live) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 420 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 421 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
malc | bdff253 | 2009-09-18 11:37:39 +0400 | [diff] [blame] | 422 | int err, decr; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 423 | struct audio_buf_info abinfo; |
| 424 | struct count_info cntinfo; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 425 | int bufsize; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 426 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 427 | bufsize = hw->samples << hw->info.shift; |
| 428 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 429 | if (oss->mmapped) { |
malc | 54762b7 | 2009-09-13 08:47:30 +0400 | [diff] [blame] | 430 | int bytes, pos; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 431 | |
| 432 | err = ioctl (oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo); |
| 433 | if (err < 0) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 434 | oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n"); |
| 435 | return 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 436 | } |
| 437 | |
malc | 54762b7 | 2009-09-13 08:47:30 +0400 | [diff] [blame] | 438 | pos = hw->rpos << hw->info.shift; |
| 439 | bytes = audio_ring_dist (cntinfo.ptr, pos, bufsize); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 440 | decr = audio_MIN (bytes >> hw->info.shift, live); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 441 | } |
| 442 | else { |
| 443 | err = ioctl (oss->fd, SNDCTL_DSP_GETOSPACE, &abinfo); |
| 444 | if (err < 0) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 445 | oss_logerr (errno, "SNDCTL_DSP_GETOPTR failed\n"); |
| 446 | return 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 447 | } |
| 448 | |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 449 | if (abinfo.bytes > bufsize) { |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 450 | trace_oss_invalid_available_size(abinfo.bytes, bufsize); |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 451 | abinfo.bytes = bufsize; |
| 452 | } |
| 453 | |
| 454 | if (abinfo.bytes < 0) { |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 455 | trace_oss_invalid_available_size(abinfo.bytes, bufsize); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 456 | return 0; |
| 457 | } |
| 458 | |
| 459 | decr = audio_MIN (abinfo.bytes >> hw->info.shift, live); |
| 460 | if (!decr) { |
| 461 | return 0; |
| 462 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 463 | } |
| 464 | |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 465 | decr = audio_pcm_hw_clip_out (hw, oss->pcm_buf, decr, oss->pending); |
| 466 | oss->pending += decr; |
| 467 | oss_write_pending (oss); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 468 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 469 | return decr; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 470 | } |
| 471 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 472 | static void oss_fini_out (HWVoiceOut *hw) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 473 | { |
| 474 | int err; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 475 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 476 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 477 | ldebug ("oss_fini\n"); |
| 478 | oss_anal_close (&oss->fd); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 479 | |
| 480 | if (oss->pcm_buf) { |
| 481 | if (oss->mmapped) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 482 | err = munmap (oss->pcm_buf, hw->samples << hw->info.shift); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 483 | if (err) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 484 | oss_logerr (errno, "Failed to unmap buffer %p, size %d\n", |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 485 | oss->pcm_buf, hw->samples << hw->info.shift); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 486 | } |
| 487 | } |
| 488 | else { |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 489 | g_free (oss->pcm_buf); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 490 | } |
| 491 | oss->pcm_buf = NULL; |
| 492 | } |
| 493 | } |
| 494 | |
Kővágó, Zoltán | 5706db1 | 2015-06-03 23:03:47 +0200 | [diff] [blame] | 495 | static int oss_init_out(HWVoiceOut *hw, struct audsettings *as, |
| 496 | void *drv_opaque) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 497 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 498 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 499 | struct oss_params req, obt; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 500 | int endianness; |
| 501 | int err; |
| 502 | int fd; |
| 503 | audfmt_e effective_fmt; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 504 | struct audsettings obt_as; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 505 | OSSConf *conf = drv_opaque; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 506 | |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 507 | oss->fd = -1; |
| 508 | |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 509 | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 510 | req.freq = as->freq; |
| 511 | req.nchannels = as->nchannels; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 512 | req.fragsize = conf->fragsize; |
| 513 | req.nfrags = conf->nfrags; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 514 | |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 515 | if (oss_open (0, &req, &obt, &fd, conf)) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 516 | return -1; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 517 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 518 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 519 | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
| 520 | if (err) { |
| 521 | oss_anal_close (&fd); |
| 522 | return -1; |
| 523 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 524 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 525 | obt_as.freq = obt.freq; |
| 526 | obt_as.nchannels = obt.nchannels; |
| 527 | obt_as.fmt = effective_fmt; |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 528 | obt_as.endianness = endianness; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 529 | |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 530 | audio_pcm_init_info (&hw->info, &obt_as); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 531 | oss->nfrags = obt.nfrags; |
| 532 | oss->fragsize = obt.fragsize; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 533 | |
| 534 | if (obt.nfrags * obt.fragsize & hw->info.align) { |
| 535 | dolog ("warning: Misaligned DAC buffer, size %d, alignment %d\n", |
| 536 | obt.nfrags * obt.fragsize, hw->info.align + 1); |
| 537 | } |
| 538 | |
| 539 | hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 540 | |
| 541 | oss->mmapped = 0; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 542 | if (conf->try_mmap) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 543 | oss->pcm_buf = mmap ( |
Blue Swirl | 660f11b | 2009-07-31 21:16:51 +0000 | [diff] [blame] | 544 | NULL, |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 545 | hw->samples << hw->info.shift, |
| 546 | PROT_READ | PROT_WRITE, |
| 547 | MAP_SHARED, |
| 548 | fd, |
| 549 | 0 |
| 550 | ); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 551 | if (oss->pcm_buf == MAP_FAILED) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 552 | oss_logerr (errno, "Failed to map %d bytes of DAC\n", |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 553 | hw->samples << hw->info.shift); |
malc | 54762b7 | 2009-09-13 08:47:30 +0400 | [diff] [blame] | 554 | } |
| 555 | else { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 556 | int err; |
| 557 | int trig = 0; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 558 | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 559 | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n"); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 560 | } |
| 561 | else { |
| 562 | trig = PCM_ENABLE_OUTPUT; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 563 | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 564 | oss_logerr ( |
| 565 | errno, |
| 566 | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n" |
| 567 | ); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 568 | } |
| 569 | else { |
| 570 | oss->mmapped = 1; |
| 571 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 572 | } |
| 573 | |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 574 | if (!oss->mmapped) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 575 | err = munmap (oss->pcm_buf, hw->samples << hw->info.shift); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 576 | if (err) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 577 | oss_logerr (errno, "Failed to unmap buffer %p size %d\n", |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 578 | oss->pcm_buf, hw->samples << hw->info.shift); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 579 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 580 | } |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | if (!oss->mmapped) { |
Alistair Francis | 470bcab | 2018-02-03 09:43:02 +0100 | [diff] [blame] | 585 | oss->pcm_buf = audio_calloc(__func__, |
| 586 | hw->samples, |
| 587 | 1 << hw->info.shift); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 588 | if (!oss->pcm_buf) { |
bellard | b41cffb | 2005-11-11 00:02:25 +0000 | [diff] [blame] | 589 | dolog ( |
| 590 | "Could not allocate DAC buffer (%d samples, each %d bytes)\n", |
| 591 | hw->samples, |
| 592 | 1 << hw->info.shift |
| 593 | ); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 594 | oss_anal_close (&fd); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 595 | return -1; |
| 596 | } |
| 597 | } |
| 598 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 599 | oss->fd = fd; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 600 | oss->conf = conf; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 601 | return 0; |
| 602 | } |
| 603 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 604 | static int oss_ctl_out (HWVoiceOut *hw, int cmd, ...) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 605 | { |
| 606 | int trig; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 607 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 608 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 609 | switch (cmd) { |
| 610 | case VOICE_ENABLE: |
malc | 301901b | 2009-10-02 02:37:40 +0400 | [diff] [blame] | 611 | { |
| 612 | va_list ap; |
| 613 | int poll_mode; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 614 | |
malc | 301901b | 2009-10-02 02:37:40 +0400 | [diff] [blame] | 615 | va_start (ap, cmd); |
| 616 | poll_mode = va_arg (ap, int); |
| 617 | va_end (ap); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 618 | |
malc | 301901b | 2009-10-02 02:37:40 +0400 | [diff] [blame] | 619 | ldebug ("enabling voice\n"); |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 620 | if (poll_mode) { |
| 621 | oss_poll_out (hw); |
malc | 301901b | 2009-10-02 02:37:40 +0400 | [diff] [blame] | 622 | poll_mode = 0; |
| 623 | } |
| 624 | hw->poll_mode = poll_mode; |
| 625 | |
| 626 | if (!oss->mmapped) { |
| 627 | return 0; |
| 628 | } |
| 629 | |
| 630 | audio_pcm_info_clear_buf (&hw->info, oss->pcm_buf, hw->samples); |
| 631 | trig = PCM_ENABLE_OUTPUT; |
| 632 | if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 633 | oss_logerr ( |
| 634 | errno, |
| 635 | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n" |
| 636 | ); |
| 637 | return -1; |
| 638 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 639 | } |
| 640 | break; |
| 641 | |
| 642 | case VOICE_DISABLE: |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 643 | if (hw->poll_mode) { |
| 644 | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
| 645 | hw->poll_mode = 0; |
| 646 | } |
| 647 | |
| 648 | if (!oss->mmapped) { |
| 649 | return 0; |
| 650 | } |
| 651 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 652 | ldebug ("disabling voice\n"); |
| 653 | trig = 0; |
| 654 | if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 655 | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 656 | return -1; |
| 657 | } |
| 658 | break; |
| 659 | } |
| 660 | return 0; |
| 661 | } |
| 662 | |
Kővágó, Zoltán | 5706db1 | 2015-06-03 23:03:47 +0200 | [diff] [blame] | 663 | static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque) |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 664 | { |
| 665 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 666 | struct oss_params req, obt; |
| 667 | int endianness; |
| 668 | int err; |
| 669 | int fd; |
| 670 | audfmt_e effective_fmt; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 671 | struct audsettings obt_as; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 672 | OSSConf *conf = drv_opaque; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 673 | |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 674 | oss->fd = -1; |
| 675 | |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 676 | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 677 | req.freq = as->freq; |
| 678 | req.nchannels = as->nchannels; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 679 | req.fragsize = conf->fragsize; |
| 680 | req.nfrags = conf->nfrags; |
| 681 | if (oss_open (1, &req, &obt, &fd, conf)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 682 | return -1; |
| 683 | } |
| 684 | |
| 685 | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
| 686 | if (err) { |
| 687 | oss_anal_close (&fd); |
| 688 | return -1; |
| 689 | } |
| 690 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 691 | obt_as.freq = obt.freq; |
| 692 | obt_as.nchannels = obt.nchannels; |
| 693 | obt_as.fmt = effective_fmt; |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 694 | obt_as.endianness = endianness; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 695 | |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 696 | audio_pcm_init_info (&hw->info, &obt_as); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 697 | oss->nfrags = obt.nfrags; |
| 698 | oss->fragsize = obt.fragsize; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 699 | |
| 700 | if (obt.nfrags * obt.fragsize & hw->info.align) { |
| 701 | dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n", |
| 702 | obt.nfrags * obt.fragsize, hw->info.align + 1); |
| 703 | } |
| 704 | |
| 705 | hw->samples = (obt.nfrags * obt.fragsize) >> hw->info.shift; |
Alistair Francis | 470bcab | 2018-02-03 09:43:02 +0100 | [diff] [blame] | 706 | oss->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 707 | if (!oss->pcm_buf) { |
bellard | b41cffb | 2005-11-11 00:02:25 +0000 | [diff] [blame] | 708 | dolog ("Could not allocate ADC buffer (%d samples, each %d bytes)\n", |
| 709 | hw->samples, 1 << hw->info.shift); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 710 | oss_anal_close (&fd); |
| 711 | return -1; |
| 712 | } |
| 713 | |
| 714 | oss->fd = fd; |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 715 | oss->conf = conf; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 716 | return 0; |
| 717 | } |
| 718 | |
| 719 | static void oss_fini_in (HWVoiceIn *hw) |
| 720 | { |
| 721 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 722 | |
| 723 | oss_anal_close (&oss->fd); |
| 724 | |
Markus Armbruster | fb7da62 | 2014-06-06 18:35:13 +0200 | [diff] [blame] | 725 | g_free(oss->pcm_buf); |
| 726 | oss->pcm_buf = NULL; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 727 | } |
| 728 | |
| 729 | static int oss_run_in (HWVoiceIn *hw) |
| 730 | { |
| 731 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 732 | int hwshift = hw->info.shift; |
| 733 | int i; |
| 734 | int live = audio_pcm_hw_get_live_in (hw); |
| 735 | int dead = hw->samples - live; |
| 736 | size_t read_samples = 0; |
| 737 | struct { |
| 738 | int add; |
| 739 | int len; |
| 740 | } bufs[2] = { |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 741 | { .add = hw->wpos, .len = 0 }, |
| 742 | { .add = 0, .len = 0 } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 743 | }; |
| 744 | |
| 745 | if (!dead) { |
| 746 | return 0; |
| 747 | } |
| 748 | |
| 749 | if (hw->wpos + dead > hw->samples) { |
| 750 | bufs[0].len = (hw->samples - hw->wpos) << hwshift; |
| 751 | bufs[1].len = (dead - (hw->samples - hw->wpos)) << hwshift; |
| 752 | } |
| 753 | else { |
| 754 | bufs[0].len = dead << hwshift; |
| 755 | } |
| 756 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 757 | for (i = 0; i < 2; ++i) { |
| 758 | ssize_t nread; |
| 759 | |
| 760 | if (bufs[i].len) { |
| 761 | void *p = advance (oss->pcm_buf, bufs[i].add << hwshift); |
| 762 | nread = read (oss->fd, p, bufs[i].len); |
| 763 | |
| 764 | if (nread > 0) { |
| 765 | if (nread & hw->info.align) { |
bellard | b41cffb | 2005-11-11 00:02:25 +0000 | [diff] [blame] | 766 | dolog ("warning: Misaligned read %zd (requested %d), " |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 767 | "alignment %d\n", nread, bufs[i].add << hwshift, |
| 768 | hw->info.align + 1); |
| 769 | } |
| 770 | read_samples += nread >> hwshift; |
Michael Walle | 00e0767 | 2011-01-05 01:05:47 +0100 | [diff] [blame] | 771 | hw->conv (hw->conv_buf + bufs[i].add, p, nread >> hwshift); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 772 | } |
| 773 | |
| 774 | if (bufs[i].len - nread) { |
| 775 | if (nread == -1) { |
| 776 | switch (errno) { |
| 777 | case EINTR: |
| 778 | case EAGAIN: |
| 779 | break; |
| 780 | default: |
| 781 | oss_logerr ( |
| 782 | errno, |
| 783 | "Failed to read %d bytes of audio (to %p)\n", |
| 784 | bufs[i].len, p |
| 785 | ); |
| 786 | break; |
| 787 | } |
| 788 | } |
| 789 | break; |
| 790 | } |
| 791 | } |
| 792 | } |
| 793 | |
| 794 | hw->wpos = (hw->wpos + read_samples) % hw->samples; |
| 795 | return read_samples; |
| 796 | } |
| 797 | |
| 798 | static int oss_read (SWVoiceIn *sw, void *buf, int size) |
| 799 | { |
| 800 | return audio_pcm_sw_read (sw, buf, size); |
| 801 | } |
| 802 | |
| 803 | static int oss_ctl_in (HWVoiceIn *hw, int cmd, ...) |
| 804 | { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 805 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 806 | |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 807 | switch (cmd) { |
| 808 | case VOICE_ENABLE: |
malc | a628b86 | 2009-10-03 03:30:06 +0400 | [diff] [blame] | 809 | { |
| 810 | va_list ap; |
| 811 | int poll_mode; |
| 812 | |
| 813 | va_start (ap, cmd); |
| 814 | poll_mode = va_arg (ap, int); |
| 815 | va_end (ap); |
| 816 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 817 | if (poll_mode) { |
| 818 | oss_poll_in (hw); |
malc | a628b86 | 2009-10-03 03:30:06 +0400 | [diff] [blame] | 819 | poll_mode = 0; |
| 820 | } |
| 821 | hw->poll_mode = poll_mode; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 822 | } |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 823 | break; |
| 824 | |
| 825 | case VOICE_DISABLE: |
| 826 | if (hw->poll_mode) { |
| 827 | hw->poll_mode = 0; |
| 828 | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
| 829 | } |
| 830 | break; |
| 831 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 832 | return 0; |
| 833 | } |
| 834 | |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 835 | static OSSConf glob_conf = { |
| 836 | .try_mmap = 0, |
| 837 | .nfrags = 4, |
| 838 | .fragsize = 4096, |
| 839 | .devpath_out = "/dev/dsp", |
| 840 | .devpath_in = "/dev/dsp", |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 841 | .exclusive = 0, |
| 842 | .policy = 5 |
| 843 | }; |
| 844 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 845 | static void *oss_audio_init (void) |
| 846 | { |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 847 | OSSConf *conf = g_malloc(sizeof(OSSConf)); |
| 848 | *conf = glob_conf; |
| 849 | |
| 850 | if (access(conf->devpath_in, R_OK | W_OK) < 0 || |
| 851 | access(conf->devpath_out, R_OK | W_OK) < 0) { |
Gonglei | 2828a30 | 2015-06-23 09:01:10 +0800 | [diff] [blame] | 852 | g_free(conf); |
Gerd Hoffmann | 73204cf | 2013-11-07 12:24:41 +0100 | [diff] [blame] | 853 | return NULL; |
| 854 | } |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 855 | return conf; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 856 | } |
| 857 | |
| 858 | static void oss_audio_fini (void *opaque) |
| 859 | { |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 860 | g_free(opaque); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 861 | } |
| 862 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 863 | static struct audio_option oss_options[] = { |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 864 | { |
| 865 | .name = "FRAGSIZE", |
| 866 | .tag = AUD_OPT_INT, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 867 | .valp = &glob_conf.fragsize, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 868 | .descr = "Fragment size in bytes" |
| 869 | }, |
| 870 | { |
| 871 | .name = "NFRAGS", |
| 872 | .tag = AUD_OPT_INT, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 873 | .valp = &glob_conf.nfrags, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 874 | .descr = "Number of fragments" |
| 875 | }, |
| 876 | { |
| 877 | .name = "MMAP", |
| 878 | .tag = AUD_OPT_BOOL, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 879 | .valp = &glob_conf.try_mmap, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 880 | .descr = "Try using memory mapped access" |
| 881 | }, |
| 882 | { |
| 883 | .name = "DAC_DEV", |
| 884 | .tag = AUD_OPT_STR, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 885 | .valp = &glob_conf.devpath_out, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 886 | .descr = "Path to DAC device" |
| 887 | }, |
| 888 | { |
| 889 | .name = "ADC_DEV", |
| 890 | .tag = AUD_OPT_STR, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 891 | .valp = &glob_conf.devpath_in, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 892 | .descr = "Path to ADC device" |
| 893 | }, |
| 894 | { |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 895 | .name = "EXCLUSIVE", |
| 896 | .tag = AUD_OPT_BOOL, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 897 | .valp = &glob_conf.exclusive, |
Stefan Weil | cb8d4c8 | 2016-03-23 15:59:57 +0100 | [diff] [blame] | 898 | .descr = "Open device in exclusive mode (vmix won't work)" |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 899 | }, |
malc | 78d9356 | 2010-01-09 00:28:40 +0300 | [diff] [blame] | 900 | #ifdef USE_DSP_POLICY |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 901 | { |
| 902 | .name = "POLICY", |
| 903 | .tag = AUD_OPT_INT, |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 904 | .valp = &glob_conf.policy, |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 905 | .descr = "Set the timing policy of the device, -1 to use fragment mode", |
| 906 | }, |
| 907 | #endif |
Juan Quintela | 2700efa | 2009-08-11 02:31:16 +0200 | [diff] [blame] | 908 | { /* End of list */ } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 909 | }; |
| 910 | |
blueswir1 | 35f4b58 | 2008-10-06 18:08:30 +0000 | [diff] [blame] | 911 | static struct audio_pcm_ops oss_pcm_ops = { |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 912 | .init_out = oss_init_out, |
| 913 | .fini_out = oss_fini_out, |
| 914 | .run_out = oss_run_out, |
| 915 | .write = oss_write, |
| 916 | .ctl_out = oss_ctl_out, |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 917 | |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 918 | .init_in = oss_init_in, |
| 919 | .fini_in = oss_fini_in, |
| 920 | .run_in = oss_run_in, |
| 921 | .read = oss_read, |
| 922 | .ctl_in = oss_ctl_in |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 923 | }; |
| 924 | |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 925 | static struct audio_driver oss_audio_driver = { |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 926 | .name = "oss", |
| 927 | .descr = "OSS http://www.opensound.com", |
| 928 | .options = oss_options, |
| 929 | .init = oss_audio_init, |
| 930 | .fini = oss_audio_fini, |
| 931 | .pcm_ops = &oss_pcm_ops, |
Gerd Hoffmann | 926de75 | 2013-11-07 12:25:02 +0100 | [diff] [blame] | 932 | .can_be_default = 1, |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 933 | .max_voices_out = INT_MAX, |
| 934 | .max_voices_in = INT_MAX, |
| 935 | .voice_size_out = sizeof (OSSVoiceOut), |
| 936 | .voice_size_in = sizeof (OSSVoiceIn) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 937 | }; |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 938 | |
| 939 | static void register_audio_oss(void) |
| 940 | { |
| 941 | audio_driver_register(&oss_audio_driver); |
| 942 | } |
| 943 | type_init(register_audio_oss); |