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Commit | Line | Data |
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85571bc7 | 1 | /* |
1d14ffa9 FB |
2 | * QEMU WAV audio driver |
3 | * | |
4 | * Copyright (c) 2004-2005 Vassili Karpov (malc) | |
5 | * | |
85571bc7 FB |
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 | */ | |
0b8fa32f | 24 | |
6086a565 | 25 | #include "qemu/osdep.h" |
87776ab7 | 26 | #include "qemu/host-utils.h" |
0b8fa32f | 27 | #include "qemu/module.h" |
1de7afc9 | 28 | #include "qemu/timer.h" |
0927d166 | 29 | #include "qapi/opts-visitor.h" |
87ecb68b | 30 | #include "audio.h" |
85571bc7 | 31 | |
1d14ffa9 FB |
32 | #define AUDIO_CAP "wav" |
33 | #include "audio_int.h" | |
fb065187 | 34 | |
1d14ffa9 FB |
35 | typedef struct WAVVoiceOut { |
36 | HWVoiceOut hw; | |
27acf660 | 37 | FILE *f; |
857271a2 | 38 | RateCtl rate; |
fb065187 | 39 | int total_samples; |
1d14ffa9 | 40 | } WAVVoiceOut; |
85571bc7 | 41 | |
ef3612e1 | 42 | static size_t wav_write_out(HWVoiceOut *hw, void *buf, size_t len) |
85571bc7 | 43 | { |
1d14ffa9 | 44 | WAVVoiceOut *wav = (WAVVoiceOut *) hw; |
613fe02b | 45 | int64_t bytes = audio_rate_get_bytes(&wav->rate, &hw->info, len); |
2b9cce8c | 46 | assert(bytes % hw->info.bytes_per_frame == 0); |
85571bc7 | 47 | |
ef3612e1 KZ |
48 | if (bytes && fwrite(buf, bytes, 1, wav->f) != 1) { |
49 | dolog("wav_write_out: fwrite of %" PRId64 " bytes failed\nReason: %s\n", | |
50 | bytes, strerror(errno)); | |
85571bc7 FB |
51 | } |
52 | ||
2b9cce8c | 53 | wav->total_samples += bytes / hw->info.bytes_per_frame; |
ef3612e1 | 54 | return bytes; |
85571bc7 FB |
55 | } |
56 | ||
85571bc7 FB |
57 | /* VICE code: Store number as little endian. */ |
58 | static void le_store (uint8_t *buf, uint32_t val, int len) | |
59 | { | |
60 | int i; | |
61 | for (i = 0; i < len; i++) { | |
62 | buf[i] = (uint8_t) (val & 0xff); | |
63 | val >>= 8; | |
64 | } | |
65 | } | |
66 | ||
5706db1d KZ |
67 | static int wav_init_out(HWVoiceOut *hw, struct audsettings *as, |
68 | void *drv_opaque) | |
85571bc7 | 69 | { |
1d14ffa9 | 70 | WAVVoiceOut *wav = (WAVVoiceOut *) hw; |
c0fe3827 | 71 | int bits16 = 0, stereo = 0; |
85571bc7 FB |
72 | uint8_t hdr[] = { |
73 | 0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56, | |
74 | 0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, | |
75 | 0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04, | |
76 | 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00 | |
77 | }; | |
0927d166 KZ |
78 | Audiodev *dev = drv_opaque; |
79 | AudiodevWavOptions *wopts = &dev->u.wav; | |
80 | struct audsettings wav_as = audiodev_to_audsettings(dev->u.wav.out); | |
ceb19c8f | 81 | const char *wav_path = wopts->path ?: "qemu.wav"; |
85571bc7 | 82 | |
c0fe3827 FB |
83 | stereo = wav_as.nchannels == 2; |
84 | switch (wav_as.fmt) { | |
85bc5852 KZ |
85 | case AUDIO_FORMAT_S8: |
86 | case AUDIO_FORMAT_U8: | |
1d14ffa9 | 87 | bits16 = 0; |
85571bc7 FB |
88 | break; |
89 | ||
85bc5852 KZ |
90 | case AUDIO_FORMAT_S16: |
91 | case AUDIO_FORMAT_U16: | |
85571bc7 FB |
92 | bits16 = 1; |
93 | break; | |
f941aa25 | 94 | |
85bc5852 KZ |
95 | case AUDIO_FORMAT_S32: |
96 | case AUDIO_FORMAT_U32: | |
f941aa25 TS |
97 | dolog ("WAVE files can not handle 32bit formats\n"); |
98 | return -1; | |
85bc5852 | 99 | |
5b4edd72 DB |
100 | case AUDIO_FORMAT_F32: |
101 | dolog("WAVE files can not handle float formats\n"); | |
102 | return -1; | |
103 | ||
85bc5852 KZ |
104 | default: |
105 | abort(); | |
85571bc7 FB |
106 | } |
107 | ||
108 | hdr[34] = bits16 ? 0x10 : 0x08; | |
c0fe3827 | 109 | |
d929eba5 FB |
110 | wav_as.endianness = 0; |
111 | audio_pcm_init_info (&hw->info, &wav_as); | |
c0fe3827 FB |
112 | |
113 | hw->samples = 1024; | |
1d14ffa9 FB |
114 | le_store (hdr + 22, hw->info.nchannels, 2); |
115 | le_store (hdr + 24, hw->info.freq, 4); | |
c0fe3827 FB |
116 | le_store (hdr + 28, hw->info.freq << (bits16 + stereo), 4); |
117 | le_store (hdr + 32, 1 << (bits16 + stereo), 2); | |
85571bc7 | 118 | |
0927d166 | 119 | wav->f = fopen(wav_path, "wb"); |
85571bc7 | 120 | if (!wav->f) { |
1d14ffa9 | 121 | dolog ("Failed to open wave file `%s'\nReason: %s\n", |
0927d166 | 122 | wav_path, strerror(errno)); |
85571bc7 FB |
123 | return -1; |
124 | } | |
125 | ||
27acf660 JQ |
126 | if (fwrite (hdr, sizeof (hdr), 1, wav->f) != 1) { |
127 | dolog ("wav_init_out: failed to write header\nReason: %s\n", | |
128 | strerror(errno)); | |
129 | return -1; | |
130 | } | |
857271a2 KZ |
131 | |
132 | audio_rate_start(&wav->rate); | |
85571bc7 FB |
133 | return 0; |
134 | } | |
135 | ||
1d14ffa9 | 136 | static void wav_fini_out (HWVoiceOut *hw) |
85571bc7 | 137 | { |
1d14ffa9 | 138 | WAVVoiceOut *wav = (WAVVoiceOut *) hw; |
85571bc7 FB |
139 | uint8_t rlen[4]; |
140 | uint8_t dlen[4]; | |
2b9cce8c | 141 | uint32_t datalen = wav->total_samples * hw->info.bytes_per_frame; |
50903530 | 142 | uint32_t rifflen = datalen + 36; |
85571bc7 | 143 | |
c0fe3827 | 144 | if (!wav->f) { |
85571bc7 | 145 | return; |
1d14ffa9 | 146 | } |
85571bc7 FB |
147 | |
148 | le_store (rlen, rifflen, 4); | |
149 | le_store (dlen, datalen, 4); | |
150 | ||
27acf660 JQ |
151 | if (fseek (wav->f, 4, SEEK_SET)) { |
152 | dolog ("wav_fini_out: fseek to rlen failed\nReason: %s\n", | |
153 | strerror(errno)); | |
154 | goto doclose; | |
155 | } | |
156 | if (fwrite (rlen, 4, 1, wav->f) != 1) { | |
157 | dolog ("wav_fini_out: failed to write rlen\nReason: %s\n", | |
158 | strerror (errno)); | |
159 | goto doclose; | |
160 | } | |
161 | if (fseek (wav->f, 32, SEEK_CUR)) { | |
162 | dolog ("wav_fini_out: fseek to dlen failed\nReason: %s\n", | |
163 | strerror (errno)); | |
164 | goto doclose; | |
165 | } | |
166 | if (fwrite (dlen, 4, 1, wav->f) != 1) { | |
167 | dolog ("wav_fini_out: failed to write dlen\nReaons: %s\n", | |
168 | strerror (errno)); | |
169 | goto doclose; | |
170 | } | |
85571bc7 | 171 | |
27acf660 JQ |
172 | doclose: |
173 | if (fclose (wav->f)) { | |
174 | dolog ("wav_fini_out: fclose %p failed\nReason: %s\n", | |
175 | wav->f, strerror (errno)); | |
176 | } | |
85571bc7 FB |
177 | wav->f = NULL; |
178 | } | |
179 | ||
571a8c52 | 180 | static void wav_enable_out(HWVoiceOut *hw, bool enable) |
85571bc7 | 181 | { |
857271a2 KZ |
182 | WAVVoiceOut *wav = (WAVVoiceOut *) hw; |
183 | ||
571a8c52 | 184 | if (enable) { |
857271a2 KZ |
185 | audio_rate_start(&wav->rate); |
186 | } | |
85571bc7 FB |
187 | } |
188 | ||
f6061733 | 189 | static void *wav_audio_init(Audiodev *dev, Error **errp) |
85571bc7 | 190 | { |
0927d166 KZ |
191 | assert(dev->driver == AUDIODEV_DRIVER_WAV); |
192 | return dev; | |
85571bc7 FB |
193 | } |
194 | ||
195 | static void wav_audio_fini (void *opaque) | |
196 | { | |
197 | ldebug ("wav_fini"); | |
198 | } | |
199 | ||
35f4b58c | 200 | static struct audio_pcm_ops wav_pcm_ops = { |
1dd3e4d1 JQ |
201 | .init_out = wav_init_out, |
202 | .fini_out = wav_fini_out, | |
ef3612e1 | 203 | .write = wav_write_out, |
9833438e | 204 | .buffer_get_free = audio_generic_buffer_get_free, |
fdc8c5f4 | 205 | .run_buffer_out = audio_generic_run_buffer_out, |
571a8c52 | 206 | .enable_out = wav_enable_out, |
85571bc7 FB |
207 | }; |
208 | ||
d3893a39 | 209 | static struct audio_driver wav_audio_driver = { |
bee37f32 JQ |
210 | .name = "wav", |
211 | .descr = "WAV renderer http://wikipedia.org/wiki/WAV", | |
bee37f32 JQ |
212 | .init = wav_audio_init, |
213 | .fini = wav_audio_fini, | |
98f9f48c | 214 | .pcm_ops = &wav_pcm_ops, |
bee37f32 JQ |
215 | .max_voices_out = 1, |
216 | .max_voices_in = 0, | |
217 | .voice_size_out = sizeof (WAVVoiceOut), | |
218 | .voice_size_in = 0 | |
85571bc7 | 219 | }; |
d3893a39 GH |
220 | |
221 | static void register_audio_wav(void) | |
222 | { | |
223 | audio_driver_register(&wav_audio_driver); | |
224 | } | |
225 | type_init(register_audio_wav); |