summaryrefslogtreecommitdiff
path: root/src/audio/synth.cc
diff options
context:
space:
mode:
authorskal <pascal.massimino@gmail.com>2026-02-01 00:58:20 +0100
committerskal <pascal.massimino@gmail.com>2026-02-01 01:13:53 +0100
commit18eb8a07ba39a8aad1c75521cee027b9c9c72e40 (patch)
tree87e498dbaffdd591eb94fddca315f6ba28756a32 /src/audio/synth.cc
parent03cd94817097e59a0809b222e0e1e74dd9a8ede7 (diff)
clang-format
Diffstat (limited to 'src/audio/synth.cc')
-rw-r--r--src/audio/synth.cc41
1 files changed, 23 insertions, 18 deletions
diff --git a/src/audio/synth.cc b/src/audio/synth.cc
index b4aaf53..db5a96c 100644
--- a/src/audio/synth.cc
+++ b/src/audio/synth.cc
@@ -23,12 +23,12 @@ struct Voice {
float time_domain_buffer[DCT_SIZE];
int buffer_pos;
- const volatile float *active_spectral_data;
+ const volatile float* active_spectral_data;
};
static struct {
Spectrogram spectrograms[MAX_SPECTROGRAMS];
- const volatile float *active_spectrogram_data[MAX_SPECTROGRAMS];
+ const volatile float* active_spectrogram_data[MAX_SPECTROGRAMS];
bool spectrogram_registered[MAX_SPECTROGRAMS];
} g_synth_data;
@@ -49,7 +49,7 @@ void synth_shutdown() {
// Nothing to do here since we are not allocating memory
}
-int synth_register_spectrogram(const Spectrogram *spec) {
+int synth_register_spectrogram(const Spectrogram* spec) {
for (int i = 0; i < MAX_SPECTROGRAMS; ++i) {
if (!g_synth_data.spectrogram_registered[i]) {
g_synth_data.spectrograms[i] = *spec;
@@ -67,19 +67,19 @@ void synth_unregister_spectrogram(int spectrogram_id) {
}
}
-float *synth_begin_update(int spectrogram_id) {
+float* synth_begin_update(int spectrogram_id) {
if (spectrogram_id < 0 || spectrogram_id >= MAX_SPECTROGRAMS ||
!g_synth_data.spectrogram_registered[spectrogram_id]) {
return nullptr;
}
- const volatile float *active_ptr =
+ const volatile float* active_ptr =
g_synth_data.active_spectrogram_data[spectrogram_id];
if (active_ptr == g_synth_data.spectrograms[spectrogram_id].spectral_data_a) {
- return (float *)(g_synth_data.spectrograms[spectrogram_id].spectral_data_b);
+ return (float*)(g_synth_data.spectrograms[spectrogram_id].spectral_data_b);
} else {
- return (float *)(g_synth_data.spectrograms[spectrogram_id].spectral_data_a);
+ return (float*)(g_synth_data.spectrograms[spectrogram_id].spectral_data_a);
}
}
@@ -89,9 +89,9 @@ void synth_commit_update(int spectrogram_id) {
return;
}
- const volatile float *old_active_ptr =
+ const volatile float* old_active_ptr =
g_synth_data.active_spectrogram_data[spectrogram_id];
- const float *new_active_ptr =
+ const float* new_active_ptr =
(old_active_ptr ==
g_synth_data.spectrograms[spectrogram_id].spectral_data_a)
? g_synth_data.spectrograms[spectrogram_id].spectral_data_b
@@ -99,7 +99,7 @@ void synth_commit_update(int spectrogram_id) {
// Atomic swap using GCC/Clang builtins for thread safety
__atomic_store_n(
- (const float **)&g_synth_data.active_spectrogram_data[spectrogram_id],
+ (const float**)&g_synth_data.active_spectrogram_data[spectrogram_id],
new_active_ptr, __ATOMIC_RELEASE);
}
@@ -111,7 +111,7 @@ void synth_trigger_voice(int spectrogram_id, float volume, float pan) {
for (int i = 0; i < MAX_VOICES; ++i) {
if (!g_voices[i].active) {
- Voice &v = g_voices[i];
+ Voice& v = g_voices[i];
v.active = true;
v.spectrogram_id = spectrogram_id;
v.volume = volume;
@@ -132,7 +132,7 @@ void synth_trigger_voice(int spectrogram_id, float volume, float pan) {
}
}
-void synth_render(float *output_buffer, int num_frames) {
+void synth_render(float* output_buffer, int num_frames) {
// Use the pre-calculated window
// float window[WINDOW_SIZE];
// hamming_window_512(window);
@@ -145,8 +145,9 @@ void synth_render(float *output_buffer, int num_frames) {
float right_sample = 0.0f;
for (int v_idx = 0; v_idx < MAX_VOICES; ++v_idx) {
- Voice &v = g_voices[v_idx];
- if (!v.active) continue;
+ Voice& v = g_voices[v_idx];
+ if (!v.active)
+ continue;
if (v.buffer_pos >= DCT_SIZE) {
if (v.current_spectral_frame >= v.total_spectral_frames) {
@@ -158,7 +159,7 @@ void synth_render(float *output_buffer, int num_frames) {
v.active_spectral_data =
g_synth_data.active_spectrogram_data[v.spectrogram_id];
- const float *spectral_frame = (const float *)v.active_spectral_data +
+ const float* spectral_frame = (const float*)v.active_spectral_data +
(v.current_spectral_frame * DCT_SIZE);
float windowed_frame[DCT_SIZE];
@@ -170,7 +171,7 @@ void synth_render(float *output_buffer, int num_frames) {
idct_512(windowed_frame, v.time_domain_buffer);
v.buffer_pos = 0;
- v.current_spectral_frame++;
+ ++v.current_spectral_frame;
}
float voice_sample = v.time_domain_buffer[v.buffer_pos] * v.volume;
@@ -192,9 +193,13 @@ void synth_render(float *output_buffer, int num_frames) {
int synth_get_active_voice_count() {
int count = 0;
for (int i = 0; i < MAX_VOICES; ++i) {
- if (g_voices[i].active) { count++; }
+ if (g_voices[i].active) {
+ ++count;
+ }
}
return count;
}
-float synth_get_output_peak() { return g_current_output_peak; }
+float synth_get_output_peak() {
+ return g_current_output_peak;
+}