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-rw-r--r--src/mame/audio/special.cpp35
1 files changed, 9 insertions, 26 deletions
diff --git a/src/mame/audio/special.cpp b/src/mame/audio/special.cpp
index 9a1383bfec0..40442b2cfb2 100644
--- a/src/mame/audio/special.cpp
+++ b/src/mame/audio/special.cpp
@@ -41,41 +41,24 @@ specimx_sound_device::specimx_sound_device(const machine_config &mconfig, const
void specimx_sound_device::device_start()
{
m_specimx_input[0] = m_specimx_input[1] = m_specimx_input[2] = 0;
- m_mixer_channel = stream_alloc_legacy(0, 1, machine().sample_rate());
+ m_mixer_channel = stream_alloc(0, 1, machine().sample_rate());
}
//-------------------------------------------------
-// sound_stream_update_legacy - handle a stream update
+// sound_stream_update - handle a stream update
//-------------------------------------------------
-void specimx_sound_device::sound_stream_update_legacy(sound_stream &stream, stream_sample_t const * const *inputs, stream_sample_t * const *outputs, int samples)
+void specimx_sound_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
{
- int16_t channel_0_signal;
- int16_t channel_1_signal;
- int16_t channel_2_signal;
+ auto &sample_left = outputs[0];
- stream_sample_t *sample_left = outputs[0];
+ stream_buffer::sample_t channel_0_signal = m_specimx_input[0] ? 0.1 : -0.1;
+ stream_buffer::sample_t channel_1_signal = m_specimx_input[1] ? 0.1 : -0.1;
+ stream_buffer::sample_t channel_2_signal = m_specimx_input[2] ? 0.1 : -0.1;
+ stream_buffer::sample_t sum = channel_0_signal + channel_1_signal + channel_2_signal;
- channel_0_signal = m_specimx_input[0] ? 3000 : -3000;
- channel_1_signal = m_specimx_input[1] ? 3000 : -3000;
- channel_2_signal = m_specimx_input[2] ? 3000 : -3000;
-
- while (samples--)
- {
- *sample_left = 0;
-
- /* music channel 0 */
- *sample_left += channel_0_signal;
-
- /* music channel 1 */
- *sample_left += channel_1_signal;
-
- /* music channel 2 */
- *sample_left += channel_2_signal;
-
- sample_left++;
- }
+ sample_left.fill(sum);
}