static void wave_sound_update(void *param,stream_sample_t **inputs, stream_sample_t **_buffer,int length)
{
#ifdef MESS
const device_config *image;
cassette_image *cassette;
cassette_state state;
double time_index;
double duration;
int num = ((FPTR)param) & ~WAVE_TOKEN_MASK;
stream_sample_t *buffer = _buffer[0];
int i;
image = image_from_devtype_and_index(IO_CASSETTE, num);
state = cassette_get_state(image);
state &= CASSETTE_MASK_UISTATE | CASSETTE_MASK_MOTOR | CASSETTE_MASK_SPEAKER;
if (image_exists(image) && (ALWAYS_PLAY_SOUND || (state == (CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED))))
{
cassette = cassette_get_image(image);
time_index = cassette_get_position(image);
duration = ((double) length) / Machine->sample_rate;
cassette_get_samples(cassette, 0, time_index, duration, length, 2, buffer, CASSETTE_WAVEFORM_16BIT);
for (i = length-1; i >= 0; i--)
buffer[i] = ((INT16 *) buffer)[i];
}
else
{
memset(buffer, 0, sizeof(*buffer) * length);
}
#endif
}
static STREAM_UPDATE( wave_sound_update )
{
#ifdef MESS
const device_config *image = param;
cassette_image *cassette;
cassette_state state;
double time_index;
double duration;
stream_sample_t *left_buffer = outputs[0];
stream_sample_t *right_buffer = outputs[1];
int i;
state = cassette_get_state(image);
state &= CASSETTE_MASK_UISTATE | CASSETTE_MASK_MOTOR | CASSETTE_MASK_SPEAKER;
if (image_exists(image) && (ALWAYS_PLAY_SOUND || (state == (CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED))))
{
cassette = cassette_get_image(image);
time_index = cassette_get_position(image);
duration = ((double) samples) / image->machine->sample_rate;
cassette_get_samples(cassette, 0, time_index, duration, samples, 2, left_buffer, CASSETTE_WAVEFORM_16BIT);
cassette_get_samples(cassette, 1, time_index, duration, samples, 2, right_buffer, CASSETTE_WAVEFORM_16BIT);
for (i = samples - 1; i >= 0; i--)
{
left_buffer[i] = ((INT16 *) left_buffer)[i];
right_buffer[i] = ((INT16 *) right_buffer)[i];
}
}
else
{
memset(left_buffer, 0, sizeof(*left_buffer) * samples);
memset(right_buffer, 0, sizeof(*right_buffer) * samples);
}
#endif
}