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Diffstat (limited to 'src/devices/sound/msm5205.cpp')
-rw-r--r--src/devices/sound/msm5205.cpp23
1 files changed, 10 insertions, 13 deletions
diff --git a/src/devices/sound/msm5205.cpp b/src/devices/sound/msm5205.cpp
index 718f82530e7..9e889503ed9 100644
--- a/src/devices/sound/msm5205.cpp
+++ b/src/devices/sound/msm5205.cpp
@@ -98,7 +98,7 @@ void msm5205_device::device_start()
compute_tables();
/* stream system initialize */
- m_stream = machine().sound().stream_alloc(*this, 0, 1, clock());
+ m_stream = stream_alloc(0, 1, clock());
m_vck_timer = timer_alloc(TIMER_VCK);
m_capture_timer = timer_alloc(TIMER_ADPCM_CAPTURE);
@@ -360,23 +360,20 @@ void msm5205_device::device_clock_changed()
// sound_stream_update - handle a stream update
//-------------------------------------------------
-void msm5205_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
+void msm5205_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
{
- stream_sample_t *buffer = outputs[0];
+ auto &output = outputs[0];
/* if this voice is active */
- if(m_signal)
+ if (m_signal)
{
+ constexpr stream_buffer::sample_t sample_scale = 1.0 / double(1 << 12);
const int dac_mask = (m_dac_bits >= 12) ? 0 : (1 << (12 - m_dac_bits)) - 1;
- short val = (m_signal & ~dac_mask) * 16; // 10 bit DAC
- while (samples)
- {
- *buffer++ = val;
- samples--;
- }
+ stream_buffer::sample_t val = stream_buffer::sample_t(m_signal & ~dac_mask) * sample_scale;
+ output.fill(val);
}
else
- memset(buffer, 0, samples * sizeof(*buffer));
+ output.fill(0);
}
@@ -407,8 +404,8 @@ void msm6585_device::device_timer(emu_timer &timer, device_timer_id id, int para
// sound_stream_update - handle a stream update
//-------------------------------------------------
-void msm6585_device::sound_stream_update(sound_stream &stream, stream_sample_t **inputs, stream_sample_t **outputs, int samples)
+void msm6585_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
{
// should this be different?
- msm5205_device::sound_stream_update(stream, inputs, outputs,samples);
+ msm5205_device::sound_stream_update(stream, inputs, outputs);
}