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Commit | Line | Data |
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87ecb68b PB |
1 | #include "hw/hw.h" |
2 | #include "console.h" | |
3 | #include "audio.h" | |
8ead62cf FB |
4 | |
5 | typedef struct { | |
6 | QEMUFile *f; | |
7 | int bytes; | |
ec36b695 FB |
8 | char *path; |
9 | int freq; | |
10 | int bits; | |
11 | int nchannels; | |
12 | CaptureVoiceOut *cap; | |
8ead62cf FB |
13 | } WAVState; |
14 | ||
15 | /* VICE code: Store number as little endian. */ | |
16 | static void le_store (uint8_t *buf, uint32_t val, int len) | |
17 | { | |
18 | int i; | |
19 | for (i = 0; i < len; i++) { | |
20 | buf[i] = (uint8_t) (val & 0xff); | |
21 | val >>= 8; | |
22 | } | |
23 | } | |
24 | ||
ec36b695 | 25 | static void wav_notify (void *opaque, audcnotification_e cmd) |
8ead62cf | 26 | { |
ec36b695 FB |
27 | (void) opaque; |
28 | (void) cmd; | |
29 | } | |
8ead62cf | 30 | |
ec36b695 FB |
31 | static void wav_destroy (void *opaque) |
32 | { | |
33 | WAVState *wav = opaque; | |
34 | uint8_t rlen[4]; | |
35 | uint8_t dlen[4]; | |
36 | uint32_t datalen = wav->bytes; | |
37 | uint32_t rifflen = datalen + 36; | |
8ead62cf | 38 | |
e84a4fed FB |
39 | if (wav->f) { |
40 | le_store (rlen, rifflen, 4); | |
41 | le_store (dlen, datalen, 4); | |
f941aa25 | 42 | |
e84a4fed FB |
43 | qemu_fseek (wav->f, 4, SEEK_SET); |
44 | qemu_put_buffer (wav->f, rlen, 4); | |
f941aa25 | 45 | |
e84a4fed FB |
46 | qemu_fseek (wav->f, 32, SEEK_CUR); |
47 | qemu_put_buffer (wav->f, dlen, 4); | |
48 | qemu_fclose (wav->f); | |
8ead62cf | 49 | } |
f941aa25 | 50 | |
e84a4fed | 51 | qemu_free (wav->path); |
8ead62cf FB |
52 | } |
53 | ||
ec36b695 | 54 | static void wav_capture (void *opaque, void *buf, int size) |
8ead62cf FB |
55 | { |
56 | WAVState *wav = opaque; | |
57 | ||
58 | qemu_put_buffer (wav->f, buf, size); | |
59 | wav->bytes += size; | |
60 | } | |
61 | ||
ec36b695 FB |
62 | static void wav_capture_destroy (void *opaque) |
63 | { | |
64 | WAVState *wav = opaque; | |
65 | ||
66 | AUD_del_capture (wav->cap, wav); | |
67 | } | |
68 | ||
69 | static void wav_capture_info (void *opaque) | |
70 | { | |
71 | WAVState *wav = opaque; | |
72 | char *path = wav->path; | |
73 | ||
74 | term_printf ("Capturing audio(%d,%d,%d) to %s: %d bytes\n", | |
75 | wav->freq, wav->bits, wav->nchannels, | |
76 | path ? path : "<not available>", wav->bytes); | |
77 | } | |
78 | ||
79 | static struct capture_ops wav_capture_ops = { | |
80 | .destroy = wav_capture_destroy, | |
81 | .info = wav_capture_info | |
82 | }; | |
83 | ||
84 | int wav_start_capture (CaptureState *s, const char *path, int freq, | |
85 | int bits, int nchannels) | |
8ead62cf FB |
86 | { |
87 | WAVState *wav; | |
88 | uint8_t hdr[] = { | |
89 | 0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56, | |
90 | 0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, | |
91 | 0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04, | |
92 | 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00 | |
93 | }; | |
94 | audsettings_t as; | |
95 | struct audio_capture_ops ops; | |
ec36b695 FB |
96 | int stereo, bits16, shift; |
97 | CaptureVoiceOut *cap; | |
98 | ||
99 | if (bits != 8 && bits != 16) { | |
100 | term_printf ("incorrect bit count %d, must be 8 or 16\n", bits); | |
101 | return -1; | |
102 | } | |
103 | ||
104 | if (nchannels != 1 && nchannels != 2) { | |
47dbd1f3 FB |
105 | term_printf ("incorrect channel count %d, must be 1 or 2\n", |
106 | nchannels); | |
ec36b695 FB |
107 | return -1; |
108 | } | |
8ead62cf | 109 | |
ec36b695 FB |
110 | stereo = nchannels == 2; |
111 | bits16 = bits == 16; | |
8ead62cf FB |
112 | |
113 | as.freq = freq; | |
114 | as.nchannels = 1 << stereo; | |
115 | as.fmt = bits16 ? AUD_FMT_S16 : AUD_FMT_U8; | |
d929eba5 | 116 | as.endianness = 0; |
8ead62cf | 117 | |
ec36b695 FB |
118 | ops.notify = wav_notify; |
119 | ops.capture = wav_capture; | |
120 | ops.destroy = wav_destroy; | |
8ead62cf FB |
121 | |
122 | wav = qemu_mallocz (sizeof (*wav)); | |
123 | if (!wav) { | |
a3c25997 FB |
124 | term_printf ("Could not allocate memory for wav capture (%zu bytes)", |
125 | sizeof (*wav)); | |
ec36b695 | 126 | return -1; |
8ead62cf FB |
127 | } |
128 | ||
129 | shift = bits16 + stereo; | |
130 | hdr[34] = bits16 ? 0x10 : 0x08; | |
131 | ||
132 | le_store (hdr + 22, as.nchannels, 2); | |
133 | le_store (hdr + 24, freq, 4); | |
134 | le_store (hdr + 28, freq << shift, 4); | |
135 | le_store (hdr + 32, 1 << shift, 2); | |
136 | ||
e70332b3 | 137 | wav->f = qemu_fopen (path, "wb"); |
8ead62cf | 138 | if (!wav->f) { |
ec36b695 FB |
139 | term_printf ("Failed to open wave file `%s'\nReason: %s\n", |
140 | path, strerror (errno)); | |
8ead62cf | 141 | qemu_free (wav); |
ec36b695 | 142 | return -1; |
8ead62cf FB |
143 | } |
144 | ||
ec36b695 FB |
145 | wav->path = qemu_strdup (path); |
146 | wav->bits = bits; | |
147 | wav->nchannels = nchannels; | |
148 | wav->freq = freq; | |
149 | ||
8ead62cf | 150 | qemu_put_buffer (wav->f, hdr, sizeof (hdr)); |
ec36b695 FB |
151 | |
152 | cap = AUD_add_capture (NULL, &as, &ops, wav); | |
153 | if (!cap) { | |
154 | term_printf ("Failed to add audio capture\n"); | |
e84a4fed FB |
155 | qemu_free (wav->path); |
156 | qemu_fclose (wav->f); | |
ec36b695 FB |
157 | qemu_free (wav); |
158 | return -1; | |
159 | } | |
160 | ||
161 | wav->cap = cap; | |
162 | s->opaque = wav; | |
163 | s->ops = wav_capture_ops; | |
164 | return 0; | |
8ead62cf | 165 | } |