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 WAV audio driver |
| 3 | * |
| 4 | * Copyright (c) 2004-2005 Vassili Karpov (malc) |
| 5 | * |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 22 | * THE SOFTWARE. |
| 23 | */ |
Peter Maydell | 6086a56 | 2016-01-18 17:33:52 +0000 | [diff] [blame] | 24 | #include "qemu/osdep.h" |
Paolo Bonzini | 87776ab | 2016-03-15 15:36:13 +0100 | [diff] [blame] | 25 | #include "qemu/host-utils.h" |
Paolo Bonzini | 1de7afc | 2012-12-17 18:20:00 +0100 | [diff] [blame] | 26 | #include "qemu/timer.h" |
pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 27 | #include "audio.h" |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 28 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 29 | #define AUDIO_CAP "wav" |
| 30 | #include "audio_int.h" |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 31 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 32 | typedef struct WAVVoiceOut { |
| 33 | HWVoiceOut hw; |
Juan Quintela | 27acf66 | 2011-09-20 15:16:27 +0200 | [diff] [blame] | 34 | FILE *f; |
bellard | fb06518 | 2004-11-09 23:09:44 +0000 | [diff] [blame] | 35 | int64_t old_ticks; |
| 36 | void *pcm_buf; |
| 37 | int total_samples; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 38 | } WAVVoiceOut; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 39 | |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 40 | typedef struct { |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 41 | struct audsettings settings; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 42 | const char *wav_path; |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 43 | } WAVConf; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 44 | |
malc | bdff253 | 2009-09-18 11:37:39 +0400 | [diff] [blame] | 45 | static int wav_run_out (HWVoiceOut *hw, int live) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 46 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 47 | WAVVoiceOut *wav = (WAVVoiceOut *) hw; |
malc | bdff253 | 2009-09-18 11:37:39 +0400 | [diff] [blame] | 48 | int rpos, decr, samples; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 49 | uint8_t *dst; |
malc | 1ea879e | 2008-12-03 22:48:44 +0000 | [diff] [blame] | 50 | struct st_sample *src; |
Alex Bligh | bc72ad6 | 2013-08-21 16:03:08 +0100 | [diff] [blame] | 51 | int64_t now = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 52 | int64_t ticks = now - wav->old_ticks; |
malc | 4f4cc0e | 2009-09-18 08:16:03 +0400 | [diff] [blame] | 53 | int64_t bytes = |
Rutuja Shah | 73bcb24 | 2016-03-21 21:32:30 +0530 | [diff] [blame] | 54 | muldiv64(ticks, hw->info.bytes_per_second, NANOSECONDS_PER_SECOND); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 55 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 56 | if (bytes > INT_MAX) { |
| 57 | samples = INT_MAX >> hw->info.shift; |
| 58 | } |
| 59 | else { |
| 60 | samples = bytes >> hw->info.shift; |
| 61 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 62 | |
bellard | 7372f88 | 2004-11-11 16:55:09 +0000 | [diff] [blame] | 63 | wav->old_ticks = now; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 64 | decr = audio_MIN (live, samples); |
| 65 | samples = decr; |
| 66 | rpos = hw->rpos; |
| 67 | while (samples) { |
| 68 | int left_till_end_samples = hw->samples - rpos; |
| 69 | int convert_samples = audio_MIN (samples, left_till_end_samples); |
| 70 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 71 | src = hw->mix_buf + rpos; |
| 72 | dst = advance (wav->pcm_buf, rpos << hw->info.shift); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 73 | |
| 74 | hw->clip (dst, src, convert_samples); |
Juan Quintela | 27acf66 | 2011-09-20 15:16:27 +0200 | [diff] [blame] | 75 | if (fwrite (dst, convert_samples << hw->info.shift, 1, wav->f) != 1) { |
| 76 | dolog ("wav_run_out: fwrite of %d bytes failed\nReaons: %s\n", |
| 77 | convert_samples << hw->info.shift, strerror (errno)); |
| 78 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 79 | |
| 80 | rpos = (rpos + convert_samples) % hw->samples; |
| 81 | samples -= convert_samples; |
| 82 | wav->total_samples += convert_samples; |
| 83 | } |
| 84 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 85 | hw->rpos = rpos; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 86 | return decr; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 87 | } |
| 88 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 89 | static int wav_write_out (SWVoiceOut *sw, void *buf, int len) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 90 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 91 | return audio_pcm_sw_write (sw, buf, len); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 92 | } |
| 93 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 94 | /* VICE code: Store number as little endian. */ |
| 95 | static void le_store (uint8_t *buf, uint32_t val, int len) |
| 96 | { |
| 97 | int i; |
| 98 | for (i = 0; i < len; i++) { |
| 99 | buf[i] = (uint8_t) (val & 0xff); |
| 100 | val >>= 8; |
| 101 | } |
| 102 | } |
| 103 | |
Kővágó, Zoltán | 5706db1 | 2015-06-03 23:03:47 +0200 | [diff] [blame] | 104 | static int wav_init_out(HWVoiceOut *hw, struct audsettings *as, |
| 105 | void *drv_opaque) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 106 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 107 | WAVVoiceOut *wav = (WAVVoiceOut *) hw; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 108 | int bits16 = 0, stereo = 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 109 | uint8_t hdr[] = { |
| 110 | 0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56, |
| 111 | 0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, |
| 112 | 0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04, |
| 113 | 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00 |
| 114 | }; |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 115 | WAVConf *conf = drv_opaque; |
| 116 | struct audsettings wav_as = conf->settings; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 117 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 118 | stereo = wav_as.nchannels == 2; |
| 119 | switch (wav_as.fmt) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 120 | case AUD_FMT_S8: |
| 121 | case AUD_FMT_U8: |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 122 | bits16 = 0; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 123 | break; |
| 124 | |
| 125 | case AUD_FMT_S16: |
| 126 | case AUD_FMT_U16: |
| 127 | bits16 = 1; |
| 128 | break; |
ths | f941aa2 | 2007-02-17 22:19:29 +0000 | [diff] [blame] | 129 | |
| 130 | case AUD_FMT_S32: |
| 131 | case AUD_FMT_U32: |
| 132 | dolog ("WAVE files can not handle 32bit formats\n"); |
| 133 | return -1; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 134 | } |
| 135 | |
| 136 | hdr[34] = bits16 ? 0x10 : 0x08; |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 137 | |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 138 | wav_as.endianness = 0; |
| 139 | audio_pcm_init_info (&hw->info, &wav_as); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 140 | |
| 141 | hw->samples = 1024; |
Alistair Francis | 470bcab | 2018-02-03 09:43:02 +0100 | [diff] [blame] | 142 | wav->pcm_buf = audio_calloc(__func__, hw->samples, 1 << hw->info.shift); |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 143 | if (!wav->pcm_buf) { |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 144 | dolog ("Could not allocate buffer (%d bytes)\n", |
| 145 | hw->samples << hw->info.shift); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 146 | return -1; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 147 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 148 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 149 | le_store (hdr + 22, hw->info.nchannels, 2); |
| 150 | le_store (hdr + 24, hw->info.freq, 4); |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 151 | le_store (hdr + 28, hw->info.freq << (bits16 + stereo), 4); |
| 152 | le_store (hdr + 32, 1 << (bits16 + stereo), 2); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 153 | |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 154 | wav->f = fopen (conf->wav_path, "wb"); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 155 | if (!wav->f) { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 156 | dolog ("Failed to open wave file `%s'\nReason: %s\n", |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 157 | conf->wav_path, strerror (errno)); |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 158 | g_free (wav->pcm_buf); |
bellard | 7372f88 | 2004-11-11 16:55:09 +0000 | [diff] [blame] | 159 | wav->pcm_buf = NULL; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 160 | return -1; |
| 161 | } |
| 162 | |
Juan Quintela | 27acf66 | 2011-09-20 15:16:27 +0200 | [diff] [blame] | 163 | if (fwrite (hdr, sizeof (hdr), 1, wav->f) != 1) { |
| 164 | dolog ("wav_init_out: failed to write header\nReason: %s\n", |
| 165 | strerror(errno)); |
| 166 | return -1; |
| 167 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 168 | return 0; |
| 169 | } |
| 170 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 171 | static void wav_fini_out (HWVoiceOut *hw) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 172 | { |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 173 | WAVVoiceOut *wav = (WAVVoiceOut *) hw; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 174 | uint8_t rlen[4]; |
| 175 | uint8_t dlen[4]; |
bellard | 5090353 | 2005-11-20 16:22:16 +0000 | [diff] [blame] | 176 | uint32_t datalen = wav->total_samples << hw->info.shift; |
| 177 | uint32_t rifflen = datalen + 36; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 178 | |
bellard | c0fe382 | 2005-11-05 18:55:28 +0000 | [diff] [blame] | 179 | if (!wav->f) { |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 180 | return; |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 181 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 182 | |
| 183 | le_store (rlen, rifflen, 4); |
| 184 | le_store (dlen, datalen, 4); |
| 185 | |
Juan Quintela | 27acf66 | 2011-09-20 15:16:27 +0200 | [diff] [blame] | 186 | if (fseek (wav->f, 4, SEEK_SET)) { |
| 187 | dolog ("wav_fini_out: fseek to rlen failed\nReason: %s\n", |
| 188 | strerror(errno)); |
| 189 | goto doclose; |
| 190 | } |
| 191 | if (fwrite (rlen, 4, 1, wav->f) != 1) { |
| 192 | dolog ("wav_fini_out: failed to write rlen\nReason: %s\n", |
| 193 | strerror (errno)); |
| 194 | goto doclose; |
| 195 | } |
| 196 | if (fseek (wav->f, 32, SEEK_CUR)) { |
| 197 | dolog ("wav_fini_out: fseek to dlen failed\nReason: %s\n", |
| 198 | strerror (errno)); |
| 199 | goto doclose; |
| 200 | } |
| 201 | if (fwrite (dlen, 4, 1, wav->f) != 1) { |
| 202 | dolog ("wav_fini_out: failed to write dlen\nReaons: %s\n", |
| 203 | strerror (errno)); |
| 204 | goto doclose; |
| 205 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 206 | |
Juan Quintela | 27acf66 | 2011-09-20 15:16:27 +0200 | [diff] [blame] | 207 | doclose: |
| 208 | if (fclose (wav->f)) { |
| 209 | dolog ("wav_fini_out: fclose %p failed\nReason: %s\n", |
| 210 | wav->f, strerror (errno)); |
| 211 | } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 212 | wav->f = NULL; |
bellard | 7372f88 | 2004-11-11 16:55:09 +0000 | [diff] [blame] | 213 | |
Anthony Liguori | 7267c09 | 2011-08-20 22:09:37 -0500 | [diff] [blame] | 214 | g_free (wav->pcm_buf); |
bellard | 7372f88 | 2004-11-11 16:55:09 +0000 | [diff] [blame] | 215 | wav->pcm_buf = NULL; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 216 | } |
| 217 | |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 218 | static int wav_ctl_out (HWVoiceOut *hw, int cmd, ...) |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 219 | { |
| 220 | (void) hw; |
| 221 | (void) cmd; |
| 222 | return 0; |
| 223 | } |
| 224 | |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 225 | static WAVConf glob_conf = { |
| 226 | .settings.freq = 44100, |
| 227 | .settings.nchannels = 2, |
| 228 | .settings.fmt = AUD_FMT_S16, |
| 229 | .wav_path = "qemu.wav" |
| 230 | }; |
| 231 | |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 232 | static void *wav_audio_init (void) |
| 233 | { |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 234 | WAVConf *conf = g_malloc(sizeof(WAVConf)); |
| 235 | *conf = glob_conf; |
| 236 | return conf; |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 237 | } |
| 238 | |
| 239 | static void wav_audio_fini (void *opaque) |
| 240 | { |
| 241 | ldebug ("wav_fini"); |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 242 | g_free(opaque); |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 243 | } |
| 244 | |
blueswir1 | 8869def | 2008-10-05 10:01:05 +0000 | [diff] [blame] | 245 | static struct audio_option wav_options[] = { |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 246 | { |
| 247 | .name = "FREQUENCY", |
| 248 | .tag = AUD_OPT_INT, |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 249 | .valp = &glob_conf.settings.freq, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 250 | .descr = "Frequency" |
| 251 | }, |
| 252 | { |
| 253 | .name = "FORMAT", |
| 254 | .tag = AUD_OPT_FMT, |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 255 | .valp = &glob_conf.settings.fmt, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 256 | .descr = "Format" |
| 257 | }, |
| 258 | { |
| 259 | .name = "DAC_FIXED_CHANNELS", |
| 260 | .tag = AUD_OPT_INT, |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 261 | .valp = &glob_conf.settings.nchannels, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 262 | .descr = "Number of channels (1 - mono, 2 - stereo)" |
| 263 | }, |
| 264 | { |
| 265 | .name = "PATH", |
| 266 | .tag = AUD_OPT_STR, |
Kővágó, Zoltán | f2dcc6c | 2015-06-03 23:03:51 +0200 | [diff] [blame] | 267 | .valp = &glob_conf.wav_path, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 268 | .descr = "Path to wave file" |
| 269 | }, |
Juan Quintela | 2700efa | 2009-08-11 02:31:16 +0200 | [diff] [blame] | 270 | { /* End of list */ } |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 271 | }; |
| 272 | |
blueswir1 | 35f4b58 | 2008-10-06 18:08:30 +0000 | [diff] [blame] | 273 | static struct audio_pcm_ops wav_pcm_ops = { |
Juan Quintela | 1dd3e4d | 2009-08-11 02:31:15 +0200 | [diff] [blame] | 274 | .init_out = wav_init_out, |
| 275 | .fini_out = wav_fini_out, |
| 276 | .run_out = wav_run_out, |
| 277 | .write = wav_write_out, |
| 278 | .ctl_out = wav_ctl_out, |
bellard | 1d14ffa | 2005-10-30 18:58:22 +0000 | [diff] [blame] | 279 | }; |
| 280 | |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 281 | static struct audio_driver wav_audio_driver = { |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 282 | .name = "wav", |
| 283 | .descr = "WAV renderer http://wikipedia.org/wiki/WAV", |
| 284 | .options = wav_options, |
| 285 | .init = wav_audio_init, |
| 286 | .fini = wav_audio_fini, |
malc | 98f9f48 | 2009-08-11 20:48:02 +0400 | [diff] [blame] | 287 | .pcm_ops = &wav_pcm_ops, |
Juan Quintela | bee37f3 | 2009-08-11 02:31:14 +0200 | [diff] [blame] | 288 | .can_be_default = 0, |
| 289 | .max_voices_out = 1, |
| 290 | .max_voices_in = 0, |
| 291 | .voice_size_out = sizeof (WAVVoiceOut), |
| 292 | .voice_size_in = 0 |
bellard | 85571bc | 2004-11-07 18:04:02 +0000 | [diff] [blame] | 293 | }; |
Gerd Hoffmann | d3893a3 | 2018-03-06 08:40:47 +0100 | [diff] [blame] | 294 | |
| 295 | static void register_audio_wav(void) |
| 296 | { |
| 297 | audio_driver_register(&wav_audio_driver); |
| 298 | } |
| 299 | type_init(register_audio_wav); |