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;
if (wav->f) {
le_store (rlen, rifflen, 4);
le_store (dlen, datalen, 4);
if (fseek (wav->f, 4, SEEK_SET)) {
error_report("wav_destroy: rlen fseek failed: %s",
strerror(errno));
goto doclose;
}
if (fwrite (rlen, 4, 1, wav->f) != 1) {
error_report("wav_destroy: rlen fwrite failed: %s",
strerror(errno));
goto doclose;
}
if (fseek (wav->f, 32, SEEK_CUR)) {
error_report("wav_destroy: dlen fseek failed: %s",
strerror(errno));
goto doclose;
}
if (fwrite (dlen, 1, 4, wav->f) != 4) {
error_report("wav_destroy: dlen fwrite failed: %s",
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_destroy (void *opaque)
{
WAVState *wav = opaque;
uint8_t rlen[4];
uint8_t dlen[4];
uint32_t datalen = wav->bytes;
uint32_t rifflen = datalen + 36;
if (wav->f) {
le_store (rlen, rifflen, 4);
le_store (dlen, datalen, 4);
qemu_fseek (wav->f, 4, SEEK_SET);
qemu_put_buffer (wav->f, rlen, 4);
qemu_fseek (wav->f, 32, SEEK_CUR);
qemu_put_buffer (wav->f, dlen, 4);
qemu_fclose (wav->f);
}
g_free (wav->path);
}
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 = qemu_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;
qemu_put_buffer (wav->f, hdr, sizeof (hdr));
cap = AUD_add_capture (&as, &ops, wav);
if (!cap) {
monitor_printf(mon, "Failed to add audio capture\n");
g_free (wav->path);
qemu_fclose (wav->f);
g_free (wav);
return -1;
}
wav->cap = cap;
s->opaque = wav;
s->ops = wav_capture_ops;
return 0;
}
int wav_start_capture (CaptureState *s, const char *path, int freq,
int bits, int nchannels)
{
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) {
error_report("incorrect bit count %d, must be 8 or 16", bits);
return -1;
}
if (nchannels != 1 && nchannels != 2) {
error_report("incorrect channel count %d, must be 1 or 2",
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) {
error_report("Failed to open wave file `%s': %s",
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) {
error_report("Failed to write header: %s", strerror(errno));
goto error_free;
}
cap = AUD_add_capture (&as, &ops, wav);
if (!cap) {
error_report("Failed to add audio capture");
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)) {
error_report("Failed to close wave file: %s", strerror(errno));
}
g_free (wav);
return -1;
}
