diff options
Diffstat (limited to 'src/audio/synth.cc')
| -rw-r--r-- | src/audio/synth.cc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/audio/synth.cc b/src/audio/synth.cc index 451fcdb..98c12d9 100644 --- a/src/audio/synth.cc +++ b/src/audio/synth.cc @@ -26,10 +26,12 @@ static struct { } g_synth_data; static Voice g_voices[MAX_VOICES]; +static float g_current_output_peak = 0.0f; // Global peak for visualization void synth_init() { memset(&g_synth_data, 0, sizeof(g_synth_data)); memset(g_voices, 0, sizeof(g_voices)); + g_current_output_peak = 0.0f; } void synth_shutdown() { @@ -123,6 +125,8 @@ void synth_render(float *output_buffer, int num_frames) { float window[WINDOW_SIZE]; hamming_window_512(window); + float current_peak_in_frame = 0.0f; + for (int i = 0; i < num_frames; ++i) { float left_sample = 0.0f; float right_sample = 0.0f; @@ -165,7 +169,11 @@ void synth_render(float *output_buffer, int num_frames) { output_buffer[i * 2] = left_sample; output_buffer[i * 2 + 1] = right_sample; + + current_peak_in_frame = + fmaxf(current_peak_in_frame, fmaxf(fabsf(left_sample), fabsf(right_sample))); } + g_current_output_peak = current_peak_in_frame; } int synth_get_active_voice_count() { @@ -177,3 +185,5 @@ int synth_get_active_voice_count() { } return count; } + +float synth_get_output_peak() { return g_current_output_peak; } |