diff options
Diffstat (limited to 'qemu/audio/wavcapture.c')
| -rw-r--r-- | qemu/audio/wavcapture.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/qemu/audio/wavcapture.c b/qemu/audio/wavcapture.c deleted file mode 100644 index 8bfb9e765..000000000 --- a/qemu/audio/wavcapture.c +++ /dev/null @@ -1,195 +0,0 @@ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "monitor/monitor.h" -#include "qemu/error-report.h" -#include "audio.h" - -typedef struct { - FILE *f; - int bytes; - char *path; - int freq; - int bits; - int nchannels; - CaptureVoiceOut *cap; -} WAVState; - -/* VICE code: Store number as little endian. */ -static void le_store (uint8_t *buf, uint32_t val, int len) -{ - int i; - for (i = 0; i < len; i++) { - buf[i] = (uint8_t) (val & 0xff); - val >>= 8; - } -} - -static void wav_notify (void *opaque, audcnotification_e cmd) -{ - (void) opaque; - (void) cmd; -} - -static void wav_destroy (void *opaque) -{ - WAVState *wav = opaque; - uint8_t rlen[4]; - uint8_t dlen[4]; - uint32_t datalen = wav->bytes; - uint32_t rifflen = datalen + 36; - Monitor *mon = cur_mon; - - if (wav->f) { - le_store (rlen, rifflen, 4); - le_store (dlen, datalen, 4); - - if (fseek (wav->f, 4, SEEK_SET)) { - monitor_printf (mon, "wav_destroy: rlen fseek failed\nReason: %s\n", - strerror (errno)); - goto doclose; - } - if (fwrite (rlen, 4, 1, wav->f) != 1) { - monitor_printf (mon, "wav_destroy: rlen fwrite failed\nReason %s\n", - strerror (errno)); - goto doclose; - } - if (fseek (wav->f, 32, SEEK_CUR)) { - monitor_printf (mon, "wav_destroy: dlen fseek failed\nReason %s\n", - strerror (errno)); - goto doclose; - } - if (fwrite (dlen, 1, 4, wav->f) != 4) { - monitor_printf (mon, "wav_destroy: dlen fwrite failed\nReason %s\n", - strerror (errno)); - goto doclose; - } - doclose: - if (fclose (wav->f)) { - error_report("wav_destroy: fclose failed: %s", strerror(errno)); - } - } - - g_free (wav->path); -} - -static void wav_capture (void *opaque, void *buf, int size) -{ - WAVState *wav = opaque; - - if (fwrite (buf, size, 1, wav->f) != 1) { - monitor_printf (cur_mon, "wav_capture: fwrite error\nReason: %s", - strerror (errno)); - } - wav->bytes += size; -} - -static void wav_capture_destroy (void *opaque) -{ - WAVState *wav = opaque; - - AUD_del_capture (wav->cap, wav); -} - -static void wav_capture_info (void *opaque) -{ - WAVState *wav = opaque; - char *path = wav->path; - - monitor_printf (cur_mon, "Capturing audio(%d,%d,%d) to %s: %d bytes\n", - wav->freq, wav->bits, wav->nchannels, - path ? path : "<not available>", wav->bytes); -} - -static struct capture_ops wav_capture_ops = { - .destroy = wav_capture_destroy, - .info = wav_capture_info -}; - -int wav_start_capture (CaptureState *s, const char *path, int freq, - int bits, int nchannels) -{ - Monitor *mon = cur_mon; - WAVState *wav; - uint8_t hdr[] = { - 0x52, 0x49, 0x46, 0x46, 0x00, 0x00, 0x00, 0x00, 0x57, 0x41, 0x56, - 0x45, 0x66, 0x6d, 0x74, 0x20, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, - 0x02, 0x00, 0x44, 0xac, 0x00, 0x00, 0x10, 0xb1, 0x02, 0x00, 0x04, - 0x00, 0x10, 0x00, 0x64, 0x61, 0x74, 0x61, 0x00, 0x00, 0x00, 0x00 - }; - struct audsettings as; - struct audio_capture_ops ops; - int stereo, bits16, shift; - CaptureVoiceOut *cap; - - if (bits != 8 && bits != 16) { - monitor_printf (mon, "incorrect bit count %d, must be 8 or 16\n", bits); - return -1; - } - - if (nchannels != 1 && nchannels != 2) { - monitor_printf (mon, "incorrect channel count %d, must be 1 or 2\n", - nchannels); - return -1; - } - - stereo = nchannels == 2; - bits16 = bits == 16; - - as.freq = freq; - as.nchannels = 1 << stereo; - as.fmt = bits16 ? AUD_FMT_S16 : AUD_FMT_U8; - as.endianness = 0; - - ops.notify = wav_notify; - ops.capture = wav_capture; - ops.destroy = wav_destroy; - - wav = g_malloc0 (sizeof (*wav)); - - shift = bits16 + stereo; - hdr[34] = bits16 ? 0x10 : 0x08; - - le_store (hdr + 22, as.nchannels, 2); - le_store (hdr + 24, freq, 4); - le_store (hdr + 28, freq << shift, 4); - le_store (hdr + 32, 1 << shift, 2); - - wav->f = fopen (path, "wb"); - if (!wav->f) { - monitor_printf (mon, "Failed to open wave file `%s'\nReason: %s\n", - path, strerror (errno)); - g_free (wav); - return -1; - } - - wav->path = g_strdup (path); - wav->bits = bits; - wav->nchannels = nchannels; - wav->freq = freq; - - if (fwrite (hdr, sizeof (hdr), 1, wav->f) != 1) { - monitor_printf (mon, "Failed to write header\nReason: %s\n", - strerror (errno)); - goto error_free; - } - - cap = AUD_add_capture (&as, &ops, wav); - if (!cap) { - monitor_printf (mon, "Failed to add audio capture\n"); - goto error_free; - } - - wav->cap = cap; - s->opaque = wav; - s->ops = wav_capture_ops; - return 0; - -error_free: - g_free (wav->path); - if (fclose (wav->f)) { - monitor_printf (mon, "Failed to close wave file\nReason: %s\n", - strerror (errno)); - } - g_free (wav); - return -1; -} |