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" |
Paolo Bonzini | f606173 | 2023-09-22 19:13:44 +0200 | [diff] [blame] | 31 | #include "qapi/error.h" |
pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 32 | #include "audio.h" |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 33 | #include "trace.h" |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 34 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 35 | #define AUDIO_CAP "oss" |
| 36 | #include "audio_int.h" |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 37 | |
malc | 78d9356 | 2010-01-09 00:28:40 +0300 | [diff] [blame] | 38 | #if defined OSS_GETVERSION && defined SNDCTL_DSP_POLICY |
| 39 | #define USE_DSP_POLICY |
| 40 | #endif |
| 41 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 42 | typedef struct OSSVoiceOut { |
| 43 | HWVoiceOut hw; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 44 | int fd; |
| 45 | int nfrags; |
| 46 | int fragsize; |
| 47 | int mmapped; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 48 | Audiodev *dev; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 49 | } OSSVoiceOut; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 50 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 51 | typedef struct OSSVoiceIn { |
| 52 | HWVoiceIn hw; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 53 | int fd; |
| 54 | int nfrags; |
| 55 | int fragsize; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 56 | Audiodev *dev; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 57 | } OSSVoiceIn; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 58 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 59 | struct oss_params { |
| 60 | int freq; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 61 | int fmt; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 62 | int nchannels; |
| 63 | int nfrags; |
| 64 | int fragsize; |
| 65 | }; |
| 66 | |
Marc-André Lureau | 9edc631 | 2022-02-20 20:39:25 +0400 | [diff] [blame] | 67 | static void G_GNUC_PRINTF (2, 3) oss_logerr (int err, const char *fmt, ...) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 68 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 69 | va_list ap; |
| 70 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 71 | va_start (ap, fmt); |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 72 | AUD_vlog (AUDIO_CAP, fmt, ap); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 73 | va_end (ap); |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 74 | |
| 75 | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err)); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 76 | } |
| 77 | |
Marc-André Lureau | 9edc631 | 2022-02-20 20:39:25 +0400 | [diff] [blame] | 78 | static void G_GNUC_PRINTF (3, 4) oss_logerr2 ( |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 79 | int err, |
| 80 | const char *typ, |
| 81 | const char *fmt, |
| 82 | ... |
| 83 | ) |
| 84 | { |
| 85 | va_list ap; |
| 86 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 87 | AUD_log (AUDIO_CAP, "Could not initialize %s\n", typ); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 88 | |
| 89 | va_start (ap, fmt); |
| 90 | AUD_vlog (AUDIO_CAP, fmt, ap); |
| 91 | va_end (ap); |
| 92 | |
| 93 | AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err)); |
| 94 | } |
| 95 | |
| 96 | static void oss_anal_close (int *fdp) |
| 97 | { |
malc | 6ebfda1 | 2009-09-14 03:51:48 +0400 | [diff] [blame] | 98 | int err; |
| 99 | |
| 100 | qemu_set_fd_handler (*fdp, NULL, NULL, NULL); |
| 101 | err = close (*fdp); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 102 | if (err) { |
| 103 | oss_logerr (errno, "Failed to close file(fd=%d)\n", *fdp); |
| 104 | } |
| 105 | *fdp = -1; |
| 106 | } |
| 107 | |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 108 | static void oss_helper_poll_out (void *opaque) |
| 109 | { |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 110 | AudioState *s = opaque; |
| 111 | audio_run(s, "oss_poll_out"); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | static void oss_helper_poll_in (void *opaque) |
| 115 | { |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 116 | AudioState *s = opaque; |
| 117 | audio_run(s, "oss_poll_in"); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 118 | } |
| 119 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 120 | static void oss_poll_out (HWVoiceOut *hw) |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 121 | { |
| 122 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
| 123 | |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 124 | qemu_set_fd_handler(oss->fd, NULL, oss_helper_poll_out, hw->s); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 125 | } |
| 126 | |
Fam Zheng | b027a53 | 2015-06-04 14:45:21 +0800 | [diff] [blame] | 127 | static void oss_poll_in (HWVoiceIn *hw) |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 128 | { |
| 129 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 130 | |
Kővágó, Zoltán | 18e2c17 | 2019-08-19 01:06:55 +0200 | [diff] [blame] | 131 | qemu_set_fd_handler(oss->fd, oss_helper_poll_in, NULL, hw->s); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 132 | } |
| 133 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 134 | static int aud_to_ossfmt (AudioFormat fmt, int endianness) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 135 | { |
| 136 | switch (fmt) { |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 137 | case AUDIO_FORMAT_S8: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 138 | return AFMT_S8; |
| 139 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 140 | case AUDIO_FORMAT_U8: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 141 | return AFMT_U8; |
| 142 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 143 | case AUDIO_FORMAT_S16: |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 144 | if (endianness) { |
| 145 | return AFMT_S16_BE; |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 146 | } else { |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 147 | return AFMT_S16_LE; |
| 148 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 149 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 150 | case AUDIO_FORMAT_U16: |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 151 | if (endianness) { |
| 152 | return AFMT_U16_BE; |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 153 | } else { |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 154 | return AFMT_U16_LE; |
| 155 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 156 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 157 | default: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 158 | dolog ("Internal logic error: Bad audio format %d\n", fmt); |
| 159 | #ifdef DEBUG_AUDIO |
| 160 | abort (); |
| 161 | #endif |
| 162 | return AFMT_U8; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 163 | } |
| 164 | } |
| 165 | |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 166 | static int oss_to_audfmt (int ossfmt, AudioFormat *fmt, int *endianness) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 167 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 168 | switch (ossfmt) { |
| 169 | case AFMT_S8: |
balrog | ca9cc28 | 2008-01-14 04:24:29 +0000 | [diff] [blame] | 170 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 171 | *fmt = AUDIO_FORMAT_S8; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 172 | break; |
| 173 | |
| 174 | case AFMT_U8: |
| 175 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 176 | *fmt = AUDIO_FORMAT_U8; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 177 | break; |
| 178 | |
| 179 | case AFMT_S16_LE: |
| 180 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 181 | *fmt = AUDIO_FORMAT_S16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 182 | break; |
| 183 | |
| 184 | case AFMT_U16_LE: |
| 185 | *endianness = 0; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 186 | *fmt = AUDIO_FORMAT_U16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 187 | break; |
| 188 | |
| 189 | case AFMT_S16_BE: |
| 190 | *endianness = 1; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 191 | *fmt = AUDIO_FORMAT_S16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 192 | break; |
| 193 | |
| 194 | case AFMT_U16_BE: |
| 195 | *endianness = 1; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 196 | *fmt = AUDIO_FORMAT_U16; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 197 | break; |
| 198 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 199 | default: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 200 | dolog ("Unrecognized audio format %d\n", ossfmt); |
| 201 | return -1; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 202 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 203 | |
| 204 | return 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 205 | } |
| 206 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 207 | #if defined DEBUG_MISMATCHES || defined DEBUG |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 208 | static void oss_dump_info (struct oss_params *req, struct oss_params *obt) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 209 | { |
| 210 | dolog ("parameter | requested value | obtained value\n"); |
| 211 | dolog ("format | %10d | %10d\n", req->fmt, obt->fmt); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 212 | dolog ("channels | %10d | %10d\n", |
| 213 | req->nchannels, obt->nchannels); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 214 | dolog ("frequency | %10d | %10d\n", req->freq, obt->freq); |
| 215 | dolog ("nfrags | %10d | %10d\n", req->nfrags, obt->nfrags); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 216 | dolog ("fragsize | %10d | %10d\n", |
| 217 | req->fragsize, obt->fragsize); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 218 | } |
| 219 | #endif |
| 220 | |
Juergen Lock | 72ff25e | 2010-01-12 23:48:04 +0100 | [diff] [blame] | 221 | #ifdef USE_DSP_POLICY |
| 222 | static int oss_get_version (int fd, int *version, const char *typ) |
| 223 | { |
| 224 | if (ioctl (fd, OSS_GETVERSION, &version)) { |
| 225 | #if defined(__FreeBSD__) || defined(__FreeBSD_kernel__) |
| 226 | /* |
| 227 | * Looks like atm (20100109) FreeBSD knows OSS_GETVERSION |
| 228 | * since 7.x, but currently only on the mixer device (or in |
| 229 | * the Linuxolator), and in the native version that part of |
| 230 | * the code is in fact never reached so the ioctl fails anyway. |
| 231 | * Until this is fixed, just check the errno and if its what |
| 232 | * FreeBSD's sound drivers return atm assume they are new enough. |
| 233 | */ |
| 234 | if (errno == EINVAL) { |
| 235 | *version = 0x040000; |
| 236 | return 0; |
| 237 | } |
| 238 | #endif |
| 239 | oss_logerr2 (errno, typ, "Failed to get OSS version\n"); |
| 240 | return -1; |
| 241 | } |
| 242 | return 0; |
| 243 | } |
| 244 | #endif |
| 245 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 246 | static int oss_open(int in, struct oss_params *req, audsettings *as, |
| 247 | struct oss_params *obt, int *pfd, Audiodev *dev) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 248 | { |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 249 | AudiodevOssOptions *oopts = &dev->u.oss; |
| 250 | AudiodevOssPerDirectionOptions *opdo = in ? oopts->in : oopts->out; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 251 | int fd; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 252 | int oflags = (oopts->has_exclusive && oopts->exclusive) ? O_EXCL : 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 253 | audio_buf_info abinfo; |
| 254 | int fmt, freq, nchannels; |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 255 | int setfragment = 1; |
Markus Armbruster | ceb19c8 | 2022-11-04 17:06:49 +0100 | [diff] [blame] | 256 | const char *dspname = opdo->dev ?: "/dev/dsp"; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 257 | const char *typ = in ? "ADC" : "DAC"; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 258 | #ifdef USE_DSP_POLICY |
| 259 | int policy = oopts->has_dsp_policy ? oopts->dsp_policy : 5; |
| 260 | #endif |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 261 | |
malc | 2182349 | 2009-09-11 10:13:55 +0400 | [diff] [blame] | 262 | /* Kludge needed to have working mmap on Linux */ |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 263 | oflags |= (oopts->has_try_mmap && oopts->try_mmap) ? |
| 264 | O_RDWR : (in ? O_RDONLY : O_WRONLY); |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 265 | |
malc | 2182349 | 2009-09-11 10:13:55 +0400 | [diff] [blame] | 266 | fd = open (dspname, oflags | O_NONBLOCK); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 267 | if (-1 == fd) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 268 | oss_logerr2 (errno, typ, "Failed to open `%s'\n", dspname); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 269 | return -1; |
| 270 | } |
| 271 | |
| 272 | freq = req->freq; |
| 273 | nchannels = req->nchannels; |
| 274 | fmt = req->fmt; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 275 | req->nfrags = opdo->has_buffer_count ? opdo->buffer_count : 4; |
| 276 | req->fragsize = audio_buffer_bytes( |
| 277 | qapi_AudiodevOssPerDirectionOptions_base(opdo), as, 23220); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 278 | |
| 279 | if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 280 | oss_logerr2 (errno, typ, "Failed to set sample size %d\n", req->fmt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 281 | goto err; |
| 282 | } |
| 283 | |
| 284 | if (ioctl (fd, SNDCTL_DSP_CHANNELS, &nchannels)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 285 | oss_logerr2 (errno, typ, "Failed to set number of channels %d\n", |
| 286 | req->nchannels); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 287 | goto err; |
| 288 | } |
| 289 | |
| 290 | if (ioctl (fd, SNDCTL_DSP_SPEED, &freq)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 291 | oss_logerr2 (errno, typ, "Failed to set frequency %d\n", req->freq); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 292 | goto err; |
| 293 | } |
| 294 | |
malc | 902e2b5 | 2008-07-02 18:03:12 +0000 | [diff] [blame] | 295 | if (ioctl (fd, SNDCTL_DSP_NONBLOCK, NULL)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 296 | oss_logerr2 (errno, typ, "Failed to set non-blocking mode\n"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 297 | goto err; |
| 298 | } |
| 299 | |
malc | 78d9356 | 2010-01-09 00:28:40 +0300 | [diff] [blame] | 300 | #ifdef USE_DSP_POLICY |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 301 | if (policy >= 0) { |
malc | 6d24652 | 2010-01-09 17:54:07 +0300 | [diff] [blame] | 302 | int version; |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 303 | |
Juergen Lock | 72ff25e | 2010-01-12 23:48:04 +0100 | [diff] [blame] | 304 | if (!oss_get_version (fd, &version, typ)) { |
Kővágó, Zoltán | d95d7d8 | 2015-06-12 14:33:07 +0200 | [diff] [blame] | 305 | trace_oss_version(version); |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 306 | |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 307 | if (version >= 0x040000) { |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 308 | int policy2 = policy; |
| 309 | if (ioctl(fd, SNDCTL_DSP_POLICY, &policy2)) { |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 310 | oss_logerr2 (errno, typ, |
| 311 | "Failed to set timing policy to %d\n", |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 312 | policy); |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 313 | goto err; |
| 314 | } |
| 315 | setfragment = 0; |
malc | 6d24652 | 2010-01-09 17:54:07 +0300 | [diff] [blame] | 316 | } |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 317 | } |
| 318 | } |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 319 | #endif |
malc | 3d709fe | 2010-01-09 18:06:54 +0300 | [diff] [blame] | 320 | |
| 321 | if (setfragment) { |
malc | 0b3652b | 2009-09-13 08:17:47 +0400 | [diff] [blame] | 322 | int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize); |
| 323 | if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) { |
| 324 | oss_logerr2 (errno, typ, "Failed to set buffer length (%d, %d)\n", |
| 325 | req->nfrags, req->fragsize); |
| 326 | goto err; |
| 327 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 328 | } |
| 329 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 330 | if (ioctl (fd, in ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &abinfo)) { |
| 331 | oss_logerr2 (errno, typ, "Failed to get buffer length\n"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 332 | goto err; |
| 333 | } |
| 334 | |
malc | 29ddf27 | 2008-06-08 04:27:56 +0000 | [diff] [blame] | 335 | if (!abinfo.fragstotal || !abinfo.fragsize) { |
| 336 | AUD_log (AUDIO_CAP, "Returned bogus buffer information(%d, %d) for %s\n", |
| 337 | abinfo.fragstotal, abinfo.fragsize, typ); |
| 338 | goto err; |
| 339 | } |
| 340 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 341 | obt->fmt = fmt; |
| 342 | obt->nchannels = nchannels; |
| 343 | obt->freq = freq; |
| 344 | obt->nfrags = abinfo.fragstotal; |
| 345 | obt->fragsize = abinfo.fragsize; |
| 346 | *pfd = fd; |
| 347 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 348 | #ifdef DEBUG_MISMATCHES |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 349 | if ((req->fmt != obt->fmt) || |
| 350 | (req->nchannels != obt->nchannels) || |
| 351 | (req->freq != obt->freq) || |
| 352 | (req->fragsize != obt->fragsize) || |
| 353 | (req->nfrags != obt->nfrags)) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 354 | dolog ("Audio parameters mismatch\n"); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 355 | oss_dump_info (req, obt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 356 | } |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 357 | #endif |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 358 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 359 | #ifdef DEBUG |
| 360 | oss_dump_info (req, obt); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 361 | #endif |
| 362 | return 0; |
| 363 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 364 | err: |
| 365 | oss_anal_close (&fd); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 366 | return -1; |
| 367 | } |
| 368 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 369 | static size_t oss_get_available_bytes(OSSVoiceOut *oss) |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 370 | { |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 371 | int err; |
| 372 | struct count_info cntinfo; |
| 373 | assert(oss->mmapped); |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 374 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 375 | err = ioctl(oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo); |
| 376 | if (err < 0) { |
| 377 | oss_logerr(errno, "SNDCTL_DSP_GETOPTR failed\n"); |
| 378 | return 0; |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 379 | } |
| 380 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 381 | return audio_ring_dist(cntinfo.ptr, oss->hw.pos_emul, oss->hw.size_emul); |
| 382 | } |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 383 | |
Volker Rümelin | fdc8c5f | 2020-01-23 08:49:39 +0100 | [diff] [blame] | 384 | static void oss_run_buffer_out(HWVoiceOut *hw) |
| 385 | { |
| 386 | OSSVoiceOut *oss = (OSSVoiceOut *)hw; |
| 387 | |
| 388 | if (!oss->mmapped) { |
| 389 | audio_generic_run_buffer_out(hw); |
| 390 | } |
| 391 | } |
| 392 | |
Volker Rümelin | 9833438 | 2022-03-01 20:13:06 +0100 | [diff] [blame] | 393 | static size_t oss_buffer_get_free(HWVoiceOut *hw) |
| 394 | { |
| 395 | OSSVoiceOut *oss = (OSSVoiceOut *)hw; |
| 396 | |
| 397 | if (oss->mmapped) { |
Volker Rümelin | 385211e | 2022-03-01 20:13:09 +0100 | [diff] [blame] | 398 | return oss_get_available_bytes(oss); |
Volker Rümelin | 9833438 | 2022-03-01 20:13:06 +0100 | [diff] [blame] | 399 | } else { |
| 400 | return audio_generic_buffer_get_free(hw); |
| 401 | } |
| 402 | } |
| 403 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 404 | static void *oss_get_buffer_out(HWVoiceOut *hw, size_t *size) |
| 405 | { |
Volker Rümelin | 385211e | 2022-03-01 20:13:09 +0100 | [diff] [blame] | 406 | OSSVoiceOut *oss = (OSSVoiceOut *)hw; |
| 407 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 408 | if (oss->mmapped) { |
Volker Rümelin | 385211e | 2022-03-01 20:13:09 +0100 | [diff] [blame] | 409 | *size = hw->size_emul - hw->pos_emul; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 410 | return hw->buf_emul + hw->pos_emul; |
| 411 | } else { |
| 412 | return audio_generic_get_buffer_out(hw, size); |
malc | 9d16897 | 2009-09-18 10:59:54 +0400 | [diff] [blame] | 413 | } |
| 414 | } |
| 415 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 416 | 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] | 417 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 418 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 419 | if (oss->mmapped) { |
| 420 | assert(buf == hw->buf_emul + hw->pos_emul && size < hw->size_emul); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 421 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 422 | hw->pos_emul = (hw->pos_emul + size) % hw->size_emul; |
| 423 | return size; |
| 424 | } else { |
| 425 | return audio_generic_put_buffer_out(hw, buf, size); |
| 426 | } |
| 427 | } |
| 428 | |
| 429 | static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len) |
| 430 | { |
| 431 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
| 432 | size_t pos; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 433 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 434 | if (oss->mmapped) { |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 435 | size_t total_len; |
| 436 | len = MIN(len, oss_get_available_bytes(oss)); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 437 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 438 | total_len = len; |
| 439 | while (len) { |
| 440 | size_t to_copy = MIN(len, hw->size_emul - hw->pos_emul); |
| 441 | memcpy(hw->buf_emul + hw->pos_emul, buf, to_copy); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 442 | |
Gerd Hoffmann | 7a4ede0 | 2020-01-20 11:18:04 +0100 | [diff] [blame] | 443 | hw->pos_emul = (hw->pos_emul + to_copy) % hw->size_emul; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 444 | buf += to_copy; |
| 445 | len -= to_copy; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 446 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 447 | return total_len; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 448 | } |
| 449 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 450 | pos = 0; |
| 451 | while (len) { |
| 452 | ssize_t bytes_written; |
| 453 | void *pcm = advance(buf, pos); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 454 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 455 | bytes_written = write(oss->fd, pcm, len); |
| 456 | if (bytes_written < 0) { |
| 457 | if (errno != EAGAIN) { |
| 458 | oss_logerr(errno, "failed to write %zu bytes\n", |
| 459 | len); |
| 460 | } |
| 461 | return pos; |
| 462 | } |
| 463 | |
| 464 | pos += bytes_written; |
| 465 | if (bytes_written < len) { |
| 466 | break; |
| 467 | } |
| 468 | len -= bytes_written; |
| 469 | } |
| 470 | return pos; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 471 | } |
| 472 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 473 | static void oss_fini_out (HWVoiceOut *hw) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 474 | { |
| 475 | int err; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 476 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 477 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 478 | ldebug ("oss_fini\n"); |
| 479 | oss_anal_close (&oss->fd); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 480 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 481 | if (oss->mmapped && hw->buf_emul) { |
| 482 | err = munmap(hw->buf_emul, hw->size_emul); |
| 483 | if (err) { |
| 484 | oss_logerr(errno, "Failed to unmap buffer %p, size %zu\n", |
| 485 | hw->buf_emul, hw->size_emul); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 486 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 487 | hw->buf_emul = NULL; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 488 | } |
| 489 | } |
| 490 | |
Kővágó, Zoltán | 5706db1 | 2015-06-03 23:03:47 +0200 | [diff] [blame] | 491 | static int oss_init_out(HWVoiceOut *hw, struct audsettings *as, |
| 492 | void *drv_opaque) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 493 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 494 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 495 | struct oss_params req, obt; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 496 | int endianness; |
| 497 | int err; |
| 498 | int fd; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 499 | AudioFormat effective_fmt; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 500 | struct audsettings obt_as; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 501 | Audiodev *dev = drv_opaque; |
| 502 | AudiodevOssOptions *oopts = &dev->u.oss; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 503 | |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 504 | oss->fd = -1; |
| 505 | |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 506 | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 507 | req.freq = as->freq; |
| 508 | req.nchannels = as->nchannels; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 509 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 510 | if (oss_open(0, &req, as, &obt, &fd, dev)) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 511 | return -1; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 512 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 513 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 514 | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
| 515 | if (err) { |
| 516 | oss_anal_close (&fd); |
| 517 | return -1; |
| 518 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 519 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 520 | obt_as.freq = obt.freq; |
| 521 | obt_as.nchannels = obt.nchannels; |
| 522 | obt_as.fmt = effective_fmt; |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 523 | obt_as.endianness = endianness; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 524 | |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 525 | audio_pcm_init_info (&hw->info, &obt_as); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 526 | oss->nfrags = obt.nfrags; |
| 527 | oss->fragsize = obt.fragsize; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 528 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 529 | if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 530 | dolog ("warning: Misaligned DAC buffer, size %d, alignment %d\n", |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 531 | obt.nfrags * obt.fragsize, hw->info.bytes_per_frame); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 532 | } |
| 533 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 534 | hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 535 | |
| 536 | oss->mmapped = 0; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 537 | if (oopts->has_try_mmap && oopts->try_mmap) { |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 538 | hw->size_emul = hw->samples * hw->info.bytes_per_frame; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 539 | hw->buf_emul = mmap( |
Blue Swirl | 660f11b | 2009-07-31 21:16:51 +0000 | [diff] [blame] | 540 | NULL, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 541 | hw->size_emul, |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 542 | PROT_READ | PROT_WRITE, |
| 543 | MAP_SHARED, |
| 544 | fd, |
| 545 | 0 |
| 546 | ); |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 547 | if (hw->buf_emul == MAP_FAILED) { |
Kővágó, Zoltán | 7520462 | 2019-08-19 01:06:58 +0200 | [diff] [blame] | 548 | oss_logerr(errno, "Failed to map %zu bytes of DAC\n", |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 549 | hw->size_emul); |
| 550 | hw->buf_emul = NULL; |
| 551 | } else { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 552 | int trig = 0; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 553 | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 554 | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n"); |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 555 | } else { |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 556 | trig = PCM_ENABLE_OUTPUT; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 557 | if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 558 | oss_logerr ( |
| 559 | errno, |
| 560 | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n" |
| 561 | ); |
Zhang Han | 6c6886b | 2021-01-15 09:24:25 +0800 | [diff] [blame] | 562 | } else { |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 563 | oss->mmapped = 1; |
| 564 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 565 | } |
| 566 | |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 567 | if (!oss->mmapped) { |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 568 | err = munmap(hw->buf_emul, hw->size_emul); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 569 | if (err) { |
Kővágó, Zoltán | 7520462 | 2019-08-19 01:06:58 +0200 | [diff] [blame] | 570 | oss_logerr(errno, "Failed to unmap buffer %p size %zu\n", |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 571 | hw->buf_emul, hw->size_emul); |
bellard | 44a095a | 2004-11-14 16:02:51 +0000 | [diff] [blame] | 572 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 573 | hw->buf_emul = NULL; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 574 | } |
| 575 | } |
| 576 | } |
| 577 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 578 | oss->fd = fd; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 579 | oss->dev = dev; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 580 | return 0; |
| 581 | } |
| 582 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 583 | static void oss_enable_out(HWVoiceOut *hw, bool enable) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 584 | { |
| 585 | int trig; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 586 | OSSVoiceOut *oss = (OSSVoiceOut *) hw; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 587 | AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 588 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 589 | if (enable) { |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 590 | hw->poll_mode = opdo->try_poll; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 591 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 592 | ldebug("enabling voice\n"); |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 593 | if (hw->poll_mode) { |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 594 | oss_poll_out(hw); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 595 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 596 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 597 | if (!oss->mmapped) { |
| 598 | return; |
| 599 | } |
| 600 | |
Volker Rümelin | 3e0c1bb | 2020-01-23 08:49:40 +0100 | [diff] [blame] | 601 | audio_pcm_info_clear_buf(&hw->info, hw->buf_emul, hw->samples); |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 602 | trig = PCM_ENABLE_OUTPUT; |
| 603 | if (ioctl(oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
| 604 | oss_logerr(errno, |
| 605 | "SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\n"); |
| 606 | return; |
| 607 | } |
| 608 | } else { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 609 | if (hw->poll_mode) { |
| 610 | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
| 611 | hw->poll_mode = 0; |
| 612 | } |
| 613 | |
| 614 | if (!oss->mmapped) { |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 615 | return; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 616 | } |
| 617 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 618 | ldebug ("disabling voice\n"); |
| 619 | trig = 0; |
| 620 | if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 621 | oss_logerr (errno, "SNDCTL_DSP_SETTRIGGER 0 failed\n"); |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 622 | return; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 623 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 624 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 625 | } |
| 626 | |
Kővágó, Zoltán | 5706db1 | 2015-06-03 23:03:47 +0200 | [diff] [blame] | 627 | static int oss_init_in(HWVoiceIn *hw, struct audsettings *as, void *drv_opaque) |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 628 | { |
| 629 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 630 | struct oss_params req, obt; |
| 631 | int endianness; |
| 632 | int err; |
| 633 | int fd; |
Kővágó, Zoltán | 85bc585 | 2019-03-08 23:34:13 +0100 | [diff] [blame] | 634 | AudioFormat effective_fmt; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 635 | struct audsettings obt_as; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 636 | Audiodev *dev = drv_opaque; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 637 | |
bellard | 571ec3d | 2005-11-20 16:24:34 +0000 | [diff] [blame] | 638 | oss->fd = -1; |
| 639 | |
Michael Walle | b6c9c94 | 2011-01-08 17:53:29 +0100 | [diff] [blame] | 640 | req.fmt = aud_to_ossfmt (as->fmt, as->endianness); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 641 | req.freq = as->freq; |
| 642 | req.nchannels = as->nchannels; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 643 | if (oss_open(1, &req, as, &obt, &fd, dev)) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 644 | return -1; |
| 645 | } |
| 646 | |
| 647 | err = oss_to_audfmt (obt.fmt, &effective_fmt, &endianness); |
| 648 | if (err) { |
| 649 | oss_anal_close (&fd); |
| 650 | return -1; |
| 651 | } |
| 652 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 653 | obt_as.freq = obt.freq; |
| 654 | obt_as.nchannels = obt.nchannels; |
| 655 | obt_as.fmt = effective_fmt; |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 656 | obt_as.endianness = endianness; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 657 | |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 658 | audio_pcm_init_info (&hw->info, &obt_as); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 659 | oss->nfrags = obt.nfrags; |
| 660 | oss->fragsize = obt.fragsize; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 661 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 662 | if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 663 | dolog ("warning: Misaligned ADC buffer, size %d, alignment %d\n", |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 664 | obt.nfrags * obt.fragsize, hw->info.bytes_per_frame); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 665 | } |
| 666 | |
Kővágó, Zoltán | 2b9cce8 | 2019-10-13 21:58:02 +0200 | [diff] [blame] | 667 | hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 668 | |
| 669 | oss->fd = fd; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 670 | oss->dev = dev; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 671 | return 0; |
| 672 | } |
| 673 | |
| 674 | static void oss_fini_in (HWVoiceIn *hw) |
| 675 | { |
| 676 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
| 677 | |
| 678 | oss_anal_close (&oss->fd); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 679 | } |
| 680 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 681 | static size_t oss_read(HWVoiceIn *hw, void *buf, size_t len) |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 682 | { |
| 683 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 684 | size_t pos = 0; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 685 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 686 | while (len) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 687 | ssize_t nread; |
| 688 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 689 | void *dst = advance(buf, pos); |
| 690 | nread = read(oss->fd, dst, len); |
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 | if (nread == -1) { |
| 693 | switch (errno) { |
| 694 | case EINTR: |
| 695 | case EAGAIN: |
| 696 | break; |
| 697 | default: |
| 698 | oss_logerr(errno, "Failed to read %zu bytes of audio (to %p)\n", |
| 699 | len, dst); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 700 | break; |
| 701 | } |
Volker Rümelin | 4f50d4a | 2020-07-07 20:08:36 +0200 | [diff] [blame] | 702 | break; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 703 | } |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 704 | |
| 705 | pos += nread; |
| 706 | len -= nread; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 707 | } |
| 708 | |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 709 | return pos; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 710 | } |
| 711 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 712 | static void oss_enable_in(HWVoiceIn *hw, bool enable) |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 713 | { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 714 | OSSVoiceIn *oss = (OSSVoiceIn *) hw; |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 715 | AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 716 | |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 717 | if (enable) { |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 718 | hw->poll_mode = opdo->try_poll; |
malc | a628b86 | 2009-10-03 03:30:06 +0400 | [diff] [blame] | 719 | |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 720 | if (hw->poll_mode) { |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 721 | oss_poll_in(hw); |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 722 | } |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 723 | } else { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 724 | if (hw->poll_mode) { |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 725 | qemu_set_fd_handler (oss->fd, NULL, NULL, NULL); |
Volker Rümelin | f03cd06 | 2020-01-23 08:49:42 +0100 | [diff] [blame] | 726 | hw->poll_mode = 0; |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 727 | } |
malc | dd8a564 | 2009-09-12 02:29:16 +0400 | [diff] [blame] | 728 | } |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 729 | } |
| 730 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 731 | static void oss_init_per_direction(AudiodevOssPerDirectionOptions *opdo) |
| 732 | { |
| 733 | if (!opdo->has_try_poll) { |
| 734 | opdo->try_poll = true; |
| 735 | opdo->has_try_poll = true; |
| 736 | } |
| 737 | } |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 738 | |
Paolo Bonzini | f606173 | 2023-09-22 19:13:44 +0200 | [diff] [blame] | 739 | static void *oss_audio_init(Audiodev *dev, Error **errp) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 740 | { |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 741 | AudiodevOssOptions *oopts; |
| 742 | assert(dev->driver == AUDIODEV_DRIVER_OSS); |
Kővágó, Zoltán | 4045a85 | 2015-06-03 23:03:50 +0200 | [diff] [blame] | 743 | |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 744 | oopts = &dev->u.oss; |
| 745 | oss_init_per_direction(oopts->in); |
| 746 | oss_init_per_direction(oopts->out); |
| 747 | |
Paolo Bonzini | f606173 | 2023-09-22 19:13:44 +0200 | [diff] [blame] | 748 | if (access(oopts->in->dev ?: "/dev/dsp", R_OK | W_OK) < 0) { |
| 749 | error_setg_errno(errp, errno, "%s not accessible", oopts->in->dev ?: "/dev/dsp"); |
| 750 | return NULL; |
| 751 | } |
| 752 | if (access(oopts->out->dev ?: "/dev/dsp", R_OK | W_OK) < 0) { |
| 753 | error_setg_errno(errp, errno, "%s not accessible", oopts->out->dev ?: "/dev/dsp"); |
Gerd Hoffmann | 73204cf | 2013-11-07 12:24:41 +0100 | [diff] [blame] | 754 | return NULL; |
| 755 | } |
Kővágó, Zoltán | baf6c7f | 2019-03-08 23:34:20 +0100 | [diff] [blame] | 756 | return dev; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 757 | } |
| 758 | |
| 759 | static void oss_audio_fini (void *opaque) |
| 760 | { |
| 761 | } |
| 762 | |
blueswir1 | 35f4b58 | 2008-10-06 18:08:30 +0000 | [diff] [blame] | 763 | static struct audio_pcm_ops oss_pcm_ops = { |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 764 | .init_out = oss_init_out, |
| 765 | .fini_out = oss_fini_out, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 766 | .write = oss_write, |
Volker Rümelin | 9833438 | 2022-03-01 20:13:06 +0100 | [diff] [blame] | 767 | .buffer_get_free = oss_buffer_get_free, |
Volker Rümelin | fdc8c5f | 2020-01-23 08:49:39 +0100 | [diff] [blame] | 768 | .run_buffer_out = oss_run_buffer_out, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 769 | .get_buffer_out = oss_get_buffer_out, |
| 770 | .put_buffer_out = oss_put_buffer_out, |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 771 | .enable_out = oss_enable_out, |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 772 | |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 773 | .init_in = oss_init_in, |
| 774 | .fini_in = oss_fini_in, |
Kővágó, Zoltán | 3ba4066 | 2019-09-19 23:24:14 +0200 | [diff] [blame] | 775 | .read = oss_read, |
Volker Rümelin | a2893c8 | 2021-01-10 11:02:24 +0100 | [diff] [blame] | 776 | .run_buffer_in = audio_generic_run_buffer_in, |
Kővágó, Zoltán | 571a8c5 | 2019-09-19 23:24:22 +0200 | [diff] [blame] | 777 | .enable_in = oss_enable_in |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 778 | }; |
| 779 | |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 780 | static struct audio_driver oss_audio_driver = { |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 781 | .name = "oss", |
| 782 | .descr = "OSS http://www.opensound.com", |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 783 | .init = oss_audio_init, |
| 784 | .fini = oss_audio_fini, |
| 785 | .pcm_ops = &oss_pcm_ops, |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 786 | .max_voices_out = INT_MAX, |
| 787 | .max_voices_in = INT_MAX, |
| 788 | .voice_size_out = sizeof (OSSVoiceOut), |
| 789 | .voice_size_in = sizeof (OSSVoiceIn) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 790 | }; |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 791 | |
| 792 | static void register_audio_oss(void) |
| 793 | { |
| 794 | audio_driver_register(&oss_audio_driver); |
| 795 | } |
| 796 | type_init(register_audio_oss); |