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 | */ |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 24 | |
Peter Maydell | 6086a56 | 2016-01-18 17:33:52 +0000 | [diff] [blame] | 25 | #include "qemu/osdep.h" |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 26 | #include <sys/ioctl.h> |
| 27 | #include <sys/soundcard.h> |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 28 | #include "qemu/main-loop.h" |
Markus Armbruster | 0b8fa32 | 2019-05-23 16:35:07 +0200 | [diff] [blame] | 29 | #include "qemu/module.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 30 | #include "qemu/host-utils.h" |
pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 31 | #include "audio.h" |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 32 | #include "trace.h" |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 33 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 34 | #define AUDIO_CAP "oss" |
| 35 | #include "audio_int.h" |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 36 | |
malc | 78d9356 | 2010-01-09 00:28:40 +0300 | [diff] [blame] | 37 | #if defined OSS_GETVERSION && defined SNDCTL_DSP_POLICY |
| 38 | #define USE_DSP_POLICY |
| 39 | #endif |
| 40 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 41 | typedef struct OSSVoiceOut { |
| 42 | HWVoiceOut hw; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 43 | int fd; |
| 44 | int nfrags; |
| 45 | int fragsize; |
| 46 | int mmapped; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 47 | Audiodev *dev; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 48 | } OSSVoiceOut; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 49 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 50 | typedef struct OSSVoiceIn { |
| 51 | HWVoiceIn hw; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 52 | int fd; |
| 53 | int nfrags; |
| 54 | int fragsize; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 55 | Audiodev *dev; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 56 | } OSSVoiceIn; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 57 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 58 | struct oss_params { |
| 59 | int freq; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 60 | int fmt; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 61 | int nchannels; |
| 62 | int nfrags; |
| 63 | int fragsize; |
| 64 | }; |
| 65 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 66 | 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] | 67 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 68 | va_list ap; |
| 69 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 70 | va_start (ap, fmt); |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 71 | AUD_vlog (AUDIO_CAP, fmt, ap); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 72 | va_end (ap); |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 73 | |
| 74 | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err)); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 75 | } |
| 76 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 77 | static void GCC_FMT_ATTR (3, 4) oss_logerr2 ( |
| 78 | int err, |
| 79 | const char *typ, |
| 80 | const char *fmt, |
| 81 | ... |
| 82 | ) |
| 83 | { |
| 84 | va_list ap; |
| 85 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 86 | AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 87 | |
| 88 | va_start (ap, fmt); |
| 89 | AUD_vlog (AUDIO_CAP, fmt, ap); |
| 90 | va_end (ap); |
| 91 | |
| 92 | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err)); |
| 93 | } |
| 94 | |
| 95 | static void oss_anal_close (int *fdp) |
| 96 | { |
malc | 6ebfda1 | 2009-09-14 03:51:48 +0400 | [diff] [blame] | 97 | int err; |
| 98 | |
| 99 | qemu_set_fd_handler (*fdp, NULL, NULL, NULL); |
| 100 | err = close (*fdp); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 101 | if (err) { |
| 102 | oss_logerr (errno, "Failed to close file(fd=%d)\n", *fdp); |
| 103 | } |
| 104 | *fdp = -1; |
| 105 | } |
| 106 | |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 107 | static void oss_helper_poll_out (void *opaque) |
| 108 | { |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 109 | AudioState *s = opaque; |
| 110 | audio_run(s, "oss_poll_out"); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 111 | } |
| 112 | |
| 113 | static void oss_helper_poll_in (void *opaque) |
| 114 | { |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 115 | AudioState *s = opaque; |
| 116 | audio_run(s, "oss_poll_in"); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 117 | } |
| 118 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 119 | static void oss_poll_out (HWVoiceOut *hw) |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 120 | { |
| 121 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
| 122 | |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 123 | qemu_set_fd_handler(oss->fd, NULL, oss_helper_poll_out, hw->s); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 124 | } |
| 125 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 126 | static void oss_poll_in (HWVoiceIn *hw) |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 127 | { |
| 128 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 129 | |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 130 | qemu_set_fd_handler(oss->fd, oss_helper_poll_in, NULL, hw->s); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 131 | } |
| 132 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 133 | static int aud_to_ossfmt (AudioFormat fmt, int endianness) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 134 | { |
| 135 | switch (fmt) { |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 136 | case AUDIO_FORMAT_S8: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 137 | return AFMT_S8; |
| 138 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 139 | case AUDIO_FORMAT_U8: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 140 | return AFMT_U8; |
| 141 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 142 | case AUDIO_FORMAT_S16: |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 143 | if (endianness) { |
| 144 | return AFMT_S16_BE; |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 145 | } else { |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 146 | return AFMT_S16_LE; |
| 147 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 148 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 149 | case AUDIO_FORMAT_U16: |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 150 | if (endianness) { |
| 151 | return AFMT_U16_BE; |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 152 | } else { |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 153 | return AFMT_U16_LE; |
| 154 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 155 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 156 | default: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 157 | dolog ("Internal logic error: Bad audio format %d\n", fmt); |
| 158 | #ifdef DEBUG_AUDIO |
| 159 | abort (); |
| 160 | #endif |
| 161 | return AFMT_U8; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 162 | } |
| 163 | } |
| 164 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 165 | static int oss_to_audfmt (int ossfmt, AudioFormat *fmt, int *endianness) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 166 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 167 | switch (ossfmt) { |
| 168 | case AFMT_S8: |
balrog | ca9cc28 | 2008-01-14 04:24:29 +0000 | [diff] [blame] | 169 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 170 | *fmt = AUDIO_FORMAT_S8; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 171 | break; |
| 172 | |
| 173 | case AFMT_U8: |
| 174 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 175 | *fmt = AUDIO_FORMAT_U8; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 176 | break; |
| 177 | |
| 178 | case AFMT_S16_LE: |
| 179 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 180 | *fmt = AUDIO_FORMAT_S16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 181 | break; |
| 182 | |
| 183 | case AFMT_U16_LE: |
| 184 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 185 | *fmt = AUDIO_FORMAT_U16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 186 | break; |
| 187 | |
| 188 | case AFMT_S16_BE: |
| 189 | *endianness = 1; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 190 | *fmt = AUDIO_FORMAT_S16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 191 | break; |
| 192 | |
| 193 | case AFMT_U16_BE: |
| 194 | *endianness = 1; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 195 | *fmt = AUDIO_FORMAT_U16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 196 | break; |
| 197 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 198 | default: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 199 | dolog ("Unrecognized audio format %d\n", ossfmt); |
| 200 | return -1; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 201 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 202 | |
| 203 | return 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 204 | } |
| 205 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 206 | #if defined DEBUG_MISMATCHES || defined DEBUG |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 207 | static void oss_dump_info (struct oss_params *req, struct oss_params *obt) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 208 | { |
| 209 | dolog ("parameter | requested value | obtained value\n"); |
| 210 | dolog ("format | %10d | %10d\n", req->fmt, obt->fmt); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 211 | dolog ("channels | %10d | %10d\n", |
| 212 | req->nchannels, obt->nchannels); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 213 | dolog ("frequency | %10d | %10d\n", req->freq, obt->freq); |
| 214 | dolog ("nfrags | %10d | %10d\n", req->nfrags, obt->nfrags); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 215 | dolog ("fragsize | %10d | %10d\n", |
| 216 | req->fragsize, obt->fragsize); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 217 | } |
| 218 | #endif |
| 219 | |
Juergen Lock | 72ff25e | 2010-01-12 23:48:04 +0100 | [diff] [blame] | 220 | #ifdef USE_DSP_POLICY |
| 221 | static int oss_get_version (int fd, int *version, const char *typ) |
| 222 | { |
| 223 | if (ioctl (fd, OSS_GETVERSION, &version)) { |
| 224 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
| 225 | /* |
| 226 | * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION |
| 227 | * since 7.x, but currently only on the mixer device (or in |
| 228 | * the Linuxolator), and in the native version that part of |
| 229 | * the code is in fact never reached so the ioctl fails anyway. |
| 230 | * Until this is fixed, just check the errno and if its what |
| 231 | * FreeBSD's sound drivers return atm assume they are new enough. |
| 232 | */ |
| 233 | if (errno == EINVAL) { |
| 234 | *version = 0x040000; |
| 235 | return 0; |
| 236 | } |
| 237 | #endif |
| 238 | oss_logerr2 (errno, typ, "Failed to get OSS version\n"); |
| 239 | return -1; |
| 240 | } |
| 241 | return 0; |
| 242 | } |
| 243 | #endif |
| 244 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 245 | static int oss_open(int in, struct oss_params *req, audsettings *as, |
| 246 | struct oss_params *obt, int *pfd, Audiodev *dev) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 247 | { |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 248 | AudiodevOssOptions *oopts = &dev->u.oss; |
| 249 | AudiodevOssPerDirectionOptions *opdo = in ? oopts->in : oopts->out; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 250 | int fd; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 251 | int oflags = (oopts->has_exclusive && oopts->exclusive) ? O_EXCL : 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 252 | audio_buf_info abinfo; |
| 253 | int fmt, freq, nchannels; |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 254 | int setfragment = 1; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 255 | const char *dspname = opdo->has_dev ? opdo->dev : "/dev/dsp"; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 256 | const char *typ = in ? "ADC" : "DAC"; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 257 | #ifdef USE_DSP_POLICY |
| 258 | int policy = oopts->has_dsp_policy ? oopts->dsp_policy : 5; |
| 259 | #endif |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 260 | |
malc | 2182349 | 2009-09-11 10:13:55 +0400 | [diff] [blame] | 261 | /* Kludge needed to have working mmap on Linux */ |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 262 | oflags |= (oopts->has_try_mmap && oopts->try_mmap) ? |
| 263 | O_RDWR : (in ? O_RDONLY : O_WRONLY); |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 264 | |
malc | 2182349 | 2009-09-11 10:13:55 +0400 | [diff] [blame] | 265 | fd = open (dspname, oflags | O_NONBLOCK); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 266 | if (-1 == fd) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 267 | oss_logerr2 (errno, typ, "Failed to open `%s'\n", dspname); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 268 | return -1; |
| 269 | } |
| 270 | |
| 271 | freq = req->freq; |
| 272 | nchannels = req->nchannels; |
| 273 | fmt = req->fmt; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 274 | req->nfrags = opdo->has_buffer_count ? opdo->buffer_count : 4; |
| 275 | req->fragsize = audio_buffer_bytes( |
| 276 | qapi_AudiodevOssPerDirectionOptions_base(opdo), as, 23220); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 277 | |
| 278 | if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 279 | oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 280 | goto err; |
| 281 | } |
| 282 | |
| 283 | if (ioctl (fd, SNDCTL_DSP_CHANNELS, &nchannels)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 284 | oss_logerr2 (errno, typ, "Failed to set number of channels %d\n", |
| 285 | req->nchannels); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 286 | goto err; |
| 287 | } |
| 288 | |
| 289 | if (ioctl (fd, SNDCTL_DSP_SPEED, &freq)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 290 | oss_logerr2 (errno, typ, "Failed to set frequency %d\n", req->freq); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 291 | goto err; |
| 292 | } |
| 293 | |
malc | 902e2b5 | 2008-07-02 18:03:12 +0000 | [diff] [blame] | 294 | if (ioctl (fd, SNDCTL_DSP_NONBLOCK, NULL)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 295 | oss_logerr2 (errno, typ, "Failed to set non-blocking mode\n"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 296 | goto err; |
| 297 | } |
| 298 | |
malc | 78d9356 | 2010-01-09 00:28:40 +0300 | [diff] [blame] | 299 | #ifdef USE_DSP_POLICY |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 300 | if (policy >= 0) { |
malc | 6d24652 | 2010-01-09 17:54:07 +0300 | [diff] [blame] | 301 | int version; |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 302 | |
Juergen Lock | 72ff25e | 2010-01-12 23:48:04 +0100 | [diff] [blame] | 303 | if (!oss_get_version (fd, &version, typ)) { |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 304 | trace_oss_version(version); |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 305 | |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 306 | if (version >= 0x040000) { |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 307 | int policy2 = policy; |
| 308 | if (ioctl(fd, SNDCTL_DSP_POLICY, &policy2)) { |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 309 | oss_logerr2 (errno, typ, |
| 310 | "Failed to set timing policy to %d\n", |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 311 | policy); |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 312 | goto err; |
| 313 | } |
| 314 | setfragment = 0; |
malc | 6d24652 | 2010-01-09 17:54:07 +0300 | [diff] [blame] | 315 | } |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 316 | } |
| 317 | } |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 318 | #endif |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 319 | |
| 320 | if (setfragment) { |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 321 | int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize); |
| 322 | if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) { |
| 323 | oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n", |
| 324 | req->nfrags, req->fragsize); |
| 325 | goto err; |
| 326 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 327 | } |
| 328 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 329 | if (ioctl (fd, in ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &abinfo)) { |
| 330 | oss_logerr2 (errno, typ, "Failed to get buffer length\n"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 331 | goto err; |
| 332 | } |
| 333 | |
malc | 29ddf27 | 2008-06-08 04:27:56 +0000 | [diff] [blame] | 334 | if (!abinfo.fragstotal || !abinfo.fragsize) { |
| 335 | AUD_log (AUDIO_CAP, "Returned bogus buffer information(%d, %d) for %s\n", |
| 336 | abinfo.fragstotal, abinfo.fragsize, typ); |
| 337 | goto err; |
| 338 | } |
| 339 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 340 | obt->fmt = fmt; |
| 341 | obt->nchannels = nchannels; |
| 342 | obt->freq = freq; |
| 343 | obt->nfrags = abinfo.fragstotal; |
| 344 | obt->fragsize = abinfo.fragsize; |
| 345 | *pfd = fd; |
| 346 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 347 | #ifdef DEBUG_MISMATCHES |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 348 | if ((req->fmt != obt->fmt) || |
| 349 | (req->nchannels != obt->nchannels) || |
| 350 | (req->freq != obt->freq) || |
| 351 | (req->fragsize != obt->fragsize) || |
| 352 | (req->nfrags != obt->nfrags)) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 353 | dolog ("Audio parameters mismatch\n"); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 354 | oss_dump_info (req, obt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 355 | } |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 356 | #endif |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 357 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 358 | #ifdef DEBUG |
| 359 | oss_dump_info (req, obt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 360 | #endif |
| 361 | return 0; |
| 362 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 363 | err: |
| 364 | oss_anal_close (&fd); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 365 | return -1; |
| 366 | } |
| 367 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 368 | static size_t oss_get_available_bytes(OSSVoiceOut *oss) |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 369 | { |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 370 | int err; |
| 371 | struct count_info cntinfo; |
| 372 | assert(oss->mmapped); |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 373 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 374 | err = ioctl(oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo); |
| 375 | if (err < 0) { |
| 376 | oss_logerr(errno, "SNDCTL_DSP_GETOPTR failed\n"); |
| 377 | return 0; |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 378 | } |
| 379 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 380 | return audio_ring_dist(cntinfo.ptr, oss->hw.pos_emul, oss->hw.size_emul); |
| 381 | } |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 382 | |
Volker Rümelin | fdc8c5f | 2020-01-23 08:49:39 +0100 | [diff] [blame] | 383 | static void oss_run_buffer_out(HWVoiceOut *hw) |
| 384 | { |
| 385 | OSSVoiceOut *oss = (OSSVoiceOut *)hw; |
| 386 | |
| 387 | if (!oss->mmapped) { |
| 388 | audio_generic_run_buffer_out(hw); |
| 389 | } |
| 390 | } |
| 391 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 392 | static void *oss_get_buffer_out(HWVoiceOut *hw, size_t *size) |
| 393 | { |
| 394 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
| 395 | if (oss->mmapped) { |
| 396 | *size = MIN(oss_get_available_bytes(oss), hw->size_emul - hw->pos_emul); |
| 397 | return hw->buf_emul + hw->pos_emul; |
| 398 | } else { |
| 399 | return audio_generic_get_buffer_out(hw, size); |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 400 | } |
| 401 | } |
| 402 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 403 | static size_t oss_put_buffer_out(HWVoiceOut *hw, void *buf, size_t size) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 404 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 405 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 406 | if (oss->mmapped) { |
| 407 | assert(buf == hw->buf_emul + hw->pos_emul && size < hw->size_emul); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 408 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 409 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; |
| 410 | return size; |
| 411 | } else { |
| 412 | return audio_generic_put_buffer_out(hw, buf, size); |
| 413 | } |
| 414 | } |
| 415 | |
| 416 | static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len) |
| 417 | { |
| 418 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
| 419 | size_t pos; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 420 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 421 | if (oss->mmapped) { |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 422 | size_t total_len; |
| 423 | len = MIN(len, oss_get_available_bytes(oss)); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 424 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 425 | total_len = len; |
| 426 | while (len) { |
| 427 | size_t to_copy = MIN(len, hw->size_emul - hw->pos_emul); |
| 428 | memcpy(hw->buf_emul + hw->pos_emul, buf, to_copy); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 429 | |
Gerd Hoffmann | 7a4ede0 | 2020-01-20 11:18:04 +0100 | [diff] [blame] | 430 | hw->pos_emul = (hw->pos_emul + to_copy) % hw->size_emul; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 431 | buf += to_copy; |
| 432 | len -= to_copy; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 433 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 434 | return total_len; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 435 | } |
| 436 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 437 | pos = 0; |
| 438 | while (len) { |
| 439 | ssize_t bytes_written; |
| 440 | void *pcm = advance(buf, pos); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 441 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 442 | bytes_written = write(oss->fd, pcm, len); |
| 443 | if (bytes_written < 0) { |
| 444 | if (errno != EAGAIN) { |
| 445 | oss_logerr(errno, "failed to write %zu bytes\n", |
| 446 | len); |
| 447 | } |
| 448 | return pos; |
| 449 | } |
| 450 | |
| 451 | pos += bytes_written; |
| 452 | if (bytes_written < len) { |
| 453 | break; |
| 454 | } |
| 455 | len -= bytes_written; |
| 456 | } |
| 457 | return pos; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 458 | } |
| 459 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 460 | static void oss_fini_out (HWVoiceOut *hw) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 461 | { |
| 462 | int err; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 463 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 464 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 465 | ldebug ("oss_fini\n"); |
| 466 | oss_anal_close (&oss->fd); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 467 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 468 | if (oss->mmapped && hw->buf_emul) { |
| 469 | err = munmap(hw->buf_emul, hw->size_emul); |
| 470 | if (err) { |
| 471 | oss_logerr(errno, "Failed to unmap buffer %p, size %zu\n", |
| 472 | hw->buf_emul, hw->size_emul); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 473 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 474 | hw->buf_emul = NULL; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 475 | } |
| 476 | } |
| 477 | |
Kővágó, Zoltán | 5706db1 | 2015-06-03 23:03:47 +0200 | [diff] [blame] | 478 | static int oss_init_out(HWVoiceOut *hw, struct audsettings *as, |
| 479 | void *drv_opaque) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 480 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 481 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 482 | struct oss_params req, obt; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 483 | int endianness; |
| 484 | int err; |
| 485 | int fd; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 486 | AudioFormat effective_fmt; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 487 | struct audsettings obt_as; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 488 | Audiodev *dev = drv_opaque; |
| 489 | AudiodevOssOptions *oopts = &dev->u.oss; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 490 | |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 491 | oss->fd = -1; |
| 492 | |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 493 | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 494 | req.freq = as->freq; |
| 495 | req.nchannels = as->nchannels; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 496 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 497 | if (oss_open(0, &req, as, &obt, &fd, dev)) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 498 | return -1; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 499 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 500 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 501 | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
| 502 | if (err) { |
| 503 | oss_anal_close (&fd); |
| 504 | return -1; |
| 505 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 506 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 507 | obt_as.freq = obt.freq; |
| 508 | obt_as.nchannels = obt.nchannels; |
| 509 | obt_as.fmt = effective_fmt; |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 510 | obt_as.endianness = endianness; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 511 | |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 512 | audio_pcm_init_info (&hw->info, &obt_as); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 513 | oss->nfrags = obt.nfrags; |
| 514 | oss->fragsize = obt.fragsize; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 515 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 516 | if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 517 | dolog ("warning: Misaligned DAC buffer, size %d, alignment %d\n", |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 518 | obt.nfrags * obt.fragsize, hw->info.bytes_per_frame); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 519 | } |
| 520 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 521 | hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 522 | |
| 523 | oss->mmapped = 0; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 524 | if (oopts->has_try_mmap && oopts->try_mmap) { |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 525 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 526 | hw->buf_emul = mmap( |
Blue Swirl | 660f11b | 2009-07-31 21:16:51 +0000 | [diff] [blame] | 527 | NULL, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 528 | hw->size_emul, |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 529 | PROT_READ | PROT_WRITE, |
| 530 | MAP_SHARED, |
| 531 | fd, |
| 532 | 0 |
| 533 | ); |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 534 | if (hw->buf_emul == MAP_FAILED) { |
Kővágó, Zoltán | 7520462 | 2019-08-19 01:06:58 +0200 | [diff] [blame] | 535 | oss_logerr(errno, "Failed to map %zu bytes of DAC\n", |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 536 | hw->size_emul); |
| 537 | hw->buf_emul = NULL; |
| 538 | } else { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 539 | int err; |
| 540 | int trig = 0; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 541 | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 542 | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n"); |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 543 | } else { |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 544 | trig = PCM_ENABLE_OUTPUT; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 545 | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 546 | oss_logerr ( |
| 547 | errno, |
| 548 | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n" |
| 549 | ); |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 550 | } else { |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 551 | oss->mmapped = 1; |
| 552 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 553 | } |
| 554 | |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 555 | if (!oss->mmapped) { |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 556 | err = munmap(hw->buf_emul, hw->size_emul); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 557 | if (err) { |
Kővágó, Zoltán | 7520462 | 2019-08-19 01:06:58 +0200 | [diff] [blame] | 558 | oss_logerr(errno, "Failed to unmap buffer %p size %zu\n", |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 559 | hw->buf_emul, hw->size_emul); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 560 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 561 | hw->buf_emul = NULL; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 562 | } |
| 563 | } |
| 564 | } |
| 565 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 566 | oss->fd = fd; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 567 | oss->dev = dev; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 568 | return 0; |
| 569 | } |
| 570 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 571 | static void oss_enable_out(HWVoiceOut *hw, bool enable) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 572 | { |
| 573 | int trig; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 574 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 575 | AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 576 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 577 | if (enable) { |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 578 | hw->poll_mode = opdo->try_poll; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 579 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 580 | ldebug("enabling voice\n"); |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 581 | if (hw->poll_mode) { |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 582 | oss_poll_out(hw); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 583 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 584 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 585 | if (!oss->mmapped) { |
| 586 | return; |
| 587 | } |
| 588 | |
Volker Rümelin | 3e0c1bb | 2020-01-23 08:49:40 +0100 | [diff] [blame] | 589 | audio_pcm_info_clear_buf(&hw->info, hw->buf_emul, hw->samples); |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 590 | trig = PCM_ENABLE_OUTPUT; |
| 591 | if (ioctl(oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 592 | oss_logerr(errno, |
| 593 | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"); |
| 594 | return; |
| 595 | } |
| 596 | } else { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 597 | if (hw->poll_mode) { |
| 598 | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
| 599 | hw->poll_mode = 0; |
| 600 | } |
| 601 | |
| 602 | if (!oss->mmapped) { |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 603 | return; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 604 | } |
| 605 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 606 | ldebug ("disabling voice\n"); |
| 607 | trig = 0; |
| 608 | if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 609 | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n"); |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 610 | return; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 611 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 612 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 613 | } |
| 614 | |
Kővágó, Zoltán | 5706db1 | 2015-06-03 23:03:47 +0200 | [diff] [blame] | 615 | static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque) |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 616 | { |
| 617 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 618 | struct oss_params req, obt; |
| 619 | int endianness; |
| 620 | int err; |
| 621 | int fd; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 622 | AudioFormat effective_fmt; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 623 | struct audsettings obt_as; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 624 | Audiodev *dev = drv_opaque; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 625 | |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 626 | oss->fd = -1; |
| 627 | |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 628 | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 629 | req.freq = as->freq; |
| 630 | req.nchannels = as->nchannels; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 631 | if (oss_open(1, &req, as, &obt, &fd, dev)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 632 | return -1; |
| 633 | } |
| 634 | |
| 635 | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
| 636 | if (err) { |
| 637 | oss_anal_close (&fd); |
| 638 | return -1; |
| 639 | } |
| 640 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 641 | obt_as.freq = obt.freq; |
| 642 | obt_as.nchannels = obt.nchannels; |
| 643 | obt_as.fmt = effective_fmt; |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 644 | obt_as.endianness = endianness; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 645 | |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 646 | audio_pcm_init_info (&hw->info, &obt_as); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 647 | oss->nfrags = obt.nfrags; |
| 648 | oss->fragsize = obt.fragsize; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 649 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 650 | if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 651 | dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n", |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 652 | obt.nfrags * obt.fragsize, hw->info.bytes_per_frame); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 653 | } |
| 654 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 655 | hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 656 | |
| 657 | oss->fd = fd; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 658 | oss->dev = dev; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 659 | return 0; |
| 660 | } |
| 661 | |
| 662 | static void oss_fini_in (HWVoiceIn *hw) |
| 663 | { |
| 664 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 665 | |
| 666 | oss_anal_close (&oss->fd); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 667 | } |
| 668 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 669 | static size_t oss_read(HWVoiceIn *hw, void *buf, size_t len) |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 670 | { |
| 671 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 672 | size_t pos = 0; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 673 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 674 | while (len) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 675 | ssize_t nread; |
| 676 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 677 | void *dst = advance(buf, pos); |
| 678 | nread = read(oss->fd, dst, len); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 679 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 680 | if (nread == -1) { |
| 681 | switch (errno) { |
| 682 | case EINTR: |
| 683 | case EAGAIN: |
| 684 | break; |
| 685 | default: |
| 686 | oss_logerr(errno, "Failed to read %zu bytes of audio (to %p)\n", |
| 687 | len, dst); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 688 | break; |
| 689 | } |
Volker Rümelin | 4f50d4a | 2020-07-07 20:08:36 +0200 | [diff] [blame] | 690 | break; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 691 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 692 | |
| 693 | pos += nread; |
| 694 | len -= nread; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 695 | } |
| 696 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 697 | return pos; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 698 | } |
| 699 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 700 | static void oss_enable_in(HWVoiceIn *hw, bool enable) |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 701 | { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 702 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 703 | AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 704 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 705 | if (enable) { |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 706 | hw->poll_mode = opdo->try_poll; |
malc | a628b86 | 2009-10-03 03:30:06 +0400 | [diff] [blame] | 707 | |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 708 | if (hw->poll_mode) { |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 709 | oss_poll_in(hw); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 710 | } |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 711 | } else { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 712 | if (hw->poll_mode) { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 713 | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 714 | hw->poll_mode = 0; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 715 | } |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 716 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 717 | } |
| 718 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 719 | static void oss_init_per_direction(AudiodevOssPerDirectionOptions *opdo) |
| 720 | { |
| 721 | if (!opdo->has_try_poll) { |
| 722 | opdo->try_poll = true; |
| 723 | opdo->has_try_poll = true; |
| 724 | } |
| 725 | } |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 726 | |
Kővágó, Zoltán | 7183022 | 2019-03-08 23:34:15 +0100 | [diff] [blame] | 727 | static void *oss_audio_init(Audiodev *dev) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 728 | { |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 729 | AudiodevOssOptions *oopts; |
| 730 | assert(dev->driver == AUDIODEV_DRIVER_OSS); |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 731 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 732 | oopts = &dev->u.oss; |
| 733 | oss_init_per_direction(oopts->in); |
| 734 | oss_init_per_direction(oopts->out); |
| 735 | |
| 736 | if (access(oopts->in->has_dev ? oopts->in->dev : "/dev/dsp", |
| 737 | R_OK | W_OK) < 0 || |
| 738 | access(oopts->out->has_dev ? oopts->out->dev : "/dev/dsp", |
| 739 | R_OK | W_OK) < 0) { |
Gerd Hoffmann | 73204cf | 2013-11-07 12:24:41 +0100 | [diff] [blame] | 740 | return NULL; |
| 741 | } |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 742 | return dev; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 743 | } |
| 744 | |
| 745 | static void oss_audio_fini (void *opaque) |
| 746 | { |
| 747 | } |
| 748 | |
blueswir1 | 35f4b58 | 2008-10-06 18:08:30 +0000 | [diff] [blame] | 749 | static struct audio_pcm_ops oss_pcm_ops = { |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 750 | .init_out = oss_init_out, |
| 751 | .fini_out = oss_fini_out, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 752 | .write = oss_write, |
Volker Rümelin | fdc8c5f | 2020-01-23 08:49:39 +0100 | [diff] [blame] | 753 | .run_buffer_out = oss_run_buffer_out, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 754 | .get_buffer_out = oss_get_buffer_out, |
| 755 | .put_buffer_out = oss_put_buffer_out, |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 756 | .enable_out = oss_enable_out, |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 757 | |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 758 | .init_in = oss_init_in, |
| 759 | .fini_in = oss_fini_in, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 760 | .read = oss_read, |
Volker Rümelin | a2893c8 | 2021-01-10 11:02:24 +0100 | [diff] [blame] | 761 | .run_buffer_in = audio_generic_run_buffer_in, |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 762 | .enable_in = oss_enable_in |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 763 | }; |
| 764 | |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 765 | static struct audio_driver oss_audio_driver = { |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 766 | .name = "oss", |
| 767 | .descr = "OSS http://www.opensound.com", |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 768 | .init = oss_audio_init, |
| 769 | .fini = oss_audio_fini, |
| 770 | .pcm_ops = &oss_pcm_ops, |
Gerd Hoffmann | 926de75 | 2013-11-07 12:25:02 +0100 | [diff] [blame] | 771 | .can_be_default = 1, |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 772 | .max_voices_out = INT_MAX, |
| 773 | .max_voices_in = INT_MAX, |
| 774 | .voice_size_out = sizeof (OSSVoiceOut), |
| 775 | .voice_size_in = sizeof (OSSVoiceIn) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 776 | }; |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 777 | |
| 778 | static void register_audio_oss(void) |
| 779 | { |
| 780 | audio_driver_register(&oss_audio_driver); |
| 781 | } |
| 782 | type_init(register_audio_oss); |