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author Olivier Galibert <galibert@pobox.com>2025-04-14 11:31:53 +0200
committer Olivier Galibert <galibert@pobox.com>2025-04-14 22:28:31 +0200
commitcef6157803320544651bfc96457d2f8a6df0abd6 (patch)
treef8a64867e3d654cdcad5f4c24824ea82e2c77194 /src/devices/sound/spkrdev.cpp
parent9473c027358e1a2d5c93d240a48052368f9d3b84 (diff)
New sound infrastructure.sound
Should be added soon: - mute - lua hookup (with documentation) - speaker/microphone resampling To be added a little later: - compression - reverb Needs to be added by someone else: - coreaudio - direct - portaudio - xaudio2 - js
Diffstat (limited to 'src/devices/sound/spkrdev.cpp')
-rw-r--r--src/devices/sound/spkrdev.cpp17
1 files changed, 8 insertions, 9 deletions
diff --git a/src/devices/sound/spkrdev.cpp b/src/devices/sound/spkrdev.cpp
index 19d1f1813d6..841656ab4ac 100644
--- a/src/devices/sound/spkrdev.cpp
+++ b/src/devices/sound/spkrdev.cpp
@@ -187,19 +187,18 @@ void speaker_sound_device::device_post_load()
//-------------------------------------------------
// This can be triggered by the core (based on emulated time) or via level_w().
-void speaker_sound_device::sound_stream_update(sound_stream &stream, std::vector<read_stream_view> const &inputs, std::vector<write_stream_view> &outputs)
+void speaker_sound_device::sound_stream_update(sound_stream &stream)
{
- auto &buffer = outputs[0];
double volume = m_levels[m_level];
double filtered_volume;
attotime sampled_time = attotime::zero;
- if (buffer.samples() > 0)
+ if (stream.samples() > 0)
{
/* Prepare to update time state */
sampled_time = attotime(0, m_channel_sample_period);
- if (buffer.samples() > 1)
- sampled_time *= buffer.samples();
+ if (stream.samples() > 1)
+ sampled_time *= stream.samples();
/* Note: since the stream is in the process of being updated,
* stream->sample_time() will return the time before the update! (MAME 0.130)
@@ -207,19 +206,19 @@ void speaker_sound_device::sound_stream_update(sound_stream &stream, std::vector
*/
}
- for (int sampindex = 0; sampindex < buffer.samples(); )
+ for (int sampindex = 0; sampindex < stream.samples(); )
{
/* Note that first intermediate sample may be composed... */
filtered_volume = update_interm_samples_get_filtered_volume(volume);
/* Composite volume is now quantized to the stream resolution */
- buffer.put(sampindex++, filtered_volume);
+ stream.put(0, sampindex++, filtered_volume);
/* Any additional samples will be homogeneous, however may need filtering across samples: */
- while (sampindex < buffer.samples())
+ while (sampindex < stream.samples())
{
filtered_volume = update_interm_samples_get_filtered_volume(volume);
- buffer.put(sampindex++, filtered_volume);
+ stream.put(0, sampindex++, filtered_volume);
}
/* Update the time state */