Esempi in C++ (Cpp) per cassette_get_samples

Esempio n. 1

File: wave.c Progetto: cdenix/ps3-mame-0125

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
}

Esempio n. 2

File: wave.c Progetto: LibXenonProject/mame-lx

static STREAM_UPDATE( wave_sound_update )
{
	cassette_image_device *cass = (cassette_image_device *)param;
	cassette_image *cassette;
	cassette_state state;
	double time_index;
	double duration;
	stream_sample_t *left_buffer = outputs[0];
	stream_sample_t *right_buffer = NULL;
	int i;

	speaker_device_iterator spkiter(cass->machine().root_device());
	int speakers = spkiter.count();
	if (speakers>1)
		right_buffer = outputs[1];

	state = cass->get_state();

	state = (cassette_state)(state & (CASSETTE_MASK_UISTATE | CASSETTE_MASK_MOTOR | CASSETTE_MASK_SPEAKER));

	if (cass->exists() && (ALWAYS_PLAY_SOUND || (state == (CASSETTE_PLAY | CASSETTE_MOTOR_ENABLED | CASSETTE_SPEAKER_ENABLED))))
	{
		cassette = cass->get_image();
		time_index = cass->get_position();
		duration = ((double) samples) / cass->machine().sample_rate();

		cassette_get_samples(cassette, 0, time_index, duration, samples, 2, left_buffer, CASSETTE_WAVEFORM_16BIT);
		if (speakers > 1)
			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];
			if (speakers > 1)
				right_buffer[i] = ((INT16 *) right_buffer)[i];
		}
	}
	else
	{
		memset(left_buffer, 0, sizeof(*left_buffer) * samples);
		if (speakers > 1)
			memset(right_buffer, 0, sizeof(*right_buffer) * samples);
	}
}

Esempio n. 3

File: wave.c Progetto: Paulodx/sdl-mame-wii

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
}