pbrook | 87ecb68 | 2007-11-17 17:14:51 +0000 | [diff] [blame] | 1 | #include "hw/hw.h" |
| 2 | #include "console.h" |
| 3 | #include "audio.h" |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 4 | |
| 5 | typedef struct { |
| 6 | QEMUFile *f; |
| 7 | int bytes; |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 8 | char *path; |
| 9 | int freq; |
| 10 | int bits; |
| 11 | int nchannels; |
| 12 | CaptureVoiceOut *cap; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 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 | |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 25 | static void wav_notify (void *opaque, audcnotification_e cmd) |
| 26 | { |
| 27 | (void) opaque; |
| 28 | (void) cmd; |
| 29 | } |
| 30 | |
| 31 | static void wav_destroy (void *opaque) |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 32 | { |
| 33 | WAVState *wav = opaque; |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 34 | uint8_t rlen[4]; |
| 35 | uint8_t dlen[4]; |
| 36 | uint32_t datalen = wav->bytes; |
| 37 | uint32_t rifflen = datalen + 36; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 38 | |
bellard | e84a4fe | 2006-08-07 21:35:12 +0000 | [diff] [blame] | 39 | if (wav->f) { |
| 40 | le_store (rlen, rifflen, 4); |
| 41 | le_store (dlen, datalen, 4); |
ths | f941aa2 | 2007-02-17 22:19:29 +0000 | [diff] [blame] | 42 | |
bellard | e84a4fe | 2006-08-07 21:35:12 +0000 | [diff] [blame] | 43 | qemu_fseek (wav->f, 4, SEEK_SET); |
| 44 | qemu_put_buffer (wav->f, rlen, 4); |
ths | f941aa2 | 2007-02-17 22:19:29 +0000 | [diff] [blame] | 45 | |
bellard | e84a4fe | 2006-08-07 21:35:12 +0000 | [diff] [blame] | 46 | qemu_fseek (wav->f, 32, SEEK_CUR); |
| 47 | qemu_put_buffer (wav->f, dlen, 4); |
| 48 | qemu_fclose (wav->f); |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 49 | } |
ths | f941aa2 | 2007-02-17 22:19:29 +0000 | [diff] [blame] | 50 | |
bellard | e84a4fe | 2006-08-07 21:35:12 +0000 | [diff] [blame] | 51 | qemu_free (wav->path); |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 52 | } |
| 53 | |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 54 | static void wav_capture (void *opaque, void *buf, int size) |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 55 | { |
| 56 | WAVState *wav = opaque; |
| 57 | |
| 58 | qemu_put_buffer (wav->f, buf, size); |
| 59 | wav->bytes += size; |
| 60 | } |
| 61 | |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 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) |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 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; |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 96 | int stereo, bits16, shift; |
| 97 | CaptureVoiceOut *cap; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 98 | |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 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) { |
bellard | 47dbd1f | 2006-07-22 17:06:44 +0000 | [diff] [blame] | 105 | term_printf ("incorrect channel count %d, must be 1 or 2\n", |
| 106 | nchannels); |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 107 | return -1; |
| 108 | } |
| 109 | |
| 110 | stereo = nchannels == 2; |
| 111 | bits16 = bits == 16; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 112 | |
| 113 | as.freq = freq; |
| 114 | as.nchannels = 1 << stereo; |
| 115 | as.fmt = bits16 ? AUD_FMT_S16 : AUD_FMT_U8; |
bellard | d929eba | 2006-07-04 21:47:22 +0000 | [diff] [blame] | 116 | as.endianness = 0; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 117 | |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 118 | ops.notify = wav_notify; |
| 119 | ops.capture = wav_capture; |
| 120 | ops.destroy = wav_destroy; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 121 | |
| 122 | wav = qemu_mallocz (sizeof (*wav)); |
| 123 | if (!wav) { |
bellard | a3c2599 | 2006-07-18 21:09:59 +0000 | [diff] [blame] | 124 | term_printf ("Could not allocate memory for wav capture (%zu bytes)", |
| 125 | sizeof (*wav)); |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 126 | return -1; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 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 | |
bellard | e70332b | 2006-08-05 21:31:46 +0000 | [diff] [blame] | 137 | wav->f = qemu_fopen (path, "wb"); |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 138 | if (!wav->f) { |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 139 | term_printf ("Failed to open wave file `%s'\nReason: %s\n", |
| 140 | path, strerror (errno)); |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 141 | qemu_free (wav); |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 142 | return -1; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 143 | } |
| 144 | |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 145 | wav->path = qemu_strdup (path); |
| 146 | wav->bits = bits; |
| 147 | wav->nchannels = nchannels; |
| 148 | wav->freq = freq; |
| 149 | |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 150 | qemu_put_buffer (wav->f, hdr, sizeof (hdr)); |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 151 | |
| 152 | cap = AUD_add_capture (NULL, &as, &ops, wav); |
| 153 | if (!cap) { |
| 154 | term_printf ("Failed to add audio capture\n"); |
bellard | e84a4fe | 2006-08-07 21:35:12 +0000 | [diff] [blame] | 155 | qemu_free (wav->path); |
| 156 | qemu_fclose (wav->f); |
bellard | ec36b69 | 2006-07-16 18:57:03 +0000 | [diff] [blame] | 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; |
bellard | 8ead62c | 2006-07-04 16:51:32 +0000 | [diff] [blame] | 165 | } |