1 files changed, 0 insertions, 167 deletions
diff --git a/src/audio/synth.cpp b/src/audio/synth.cpp
deleted file mode 100644
index 3c20b0b..0000000
--- a/src/audio/synth.cpp
+++ /dev/null
@@ -1,167 +0,0 @@
-#include "synth.h"
-#include "audio/window.h"
-#include <string.h> // For memset
-#include <atomic>
-
-struct Voice {
-    bool active;
-    int spectrogram_id;
-    float volume;
-    float pan_left;
-    float pan_right;
-
-    int current_spectral_frame;
-    int total_spectral_frames;
-
-    float time_domain_buffer[DCT_SIZE];
-    int buffer_pos;
-
-    const volatile float* active_spectral_data; 
-};
-
-static struct {
-    Spectrogram spectrograms[MAX_SPECTROGRAMS];
-    const volatile float* active_spectrogram_data[MAX_SPECTROGRAMS];
-    bool spectrogram_registered[MAX_SPECTROGRAMS];
-} g_synth_data;
-
-static Voice g_voices[MAX_VOICES];
-
-void synth_init() {
-    memset(&g_synth_data, 0, sizeof(g_synth_data));
-    memset(g_voices, 0, sizeof(g_voices));
-}
-
-void synth_shutdown() {
-    // Nothing to do here since we are not allocating memory
-}
-
-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;
-            g_synth_data.active_spectrogram_data[i] = spec->spectral_data_a;
-            g_synth_data.spectrogram_registered[i] = true;
-            return i;
-        }
-    }
-    return -1; // No free slots
-}
-
-void synth_unregister_spectrogram(int spectrogram_id) {
-    if (spectrogram_id >= 0 && spectrogram_id < MAX_SPECTROGRAMS) {
-        g_synth_data.spectrogram_registered[spectrogram_id] = false;
-    }
-}
-
-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 = g_synth_data.active_spectrogram_data[spectrogram_id];
-    
-    if (active_ptr == g_synth_data.spectrograms[spectrogram_id].spectral_data_a) {
-        return g_synth_data.spectrograms[spectrogram_id].spectral_data_b;
-    } else {
-        return g_synth_data.spectrograms[spectrogram_id].spectral_data_a;
-    }
-}
-
-void synth_commit_update(int spectrogram_id) {
-    if (spectrogram_id < 0 || spectrogram_id >= MAX_SPECTROGRAMS || !g_synth_data.spectrogram_registered[spectrogram_id]) {
-        return;
-    }
-
-    const volatile float* old_active_ptr = g_synth_data.active_spectrogram_data[spectrogram_id];
-    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
-                                : g_synth_data.spectrograms[spectrogram_id].spectral_data_a;
-
-    // Atomic swap using GCC/Clang builtins for thread safety
-    __atomic_store_n((const float**)&g_synth_data.active_spectrogram_data[spectrogram_id], new_active_ptr, __ATOMIC_RELEASE);
-}
-
-
-void synth_trigger_voice(int spectrogram_id, float volume, float pan) {
-    if (spectrogram_id < 0 || spectrogram_id >= MAX_SPECTROGRAMS || !g_synth_data.spectrogram_registered[spectrogram_id]) {
-        return;
-    }
-
-    for (int i = 0; i < MAX_VOICES; ++i) {
-        if (!g_voices[i].active) {
-            Voice& v = g_voices[i];
-            v.active = true;
-            v.spectrogram_id = spectrogram_id;
-            v.volume = volume;
-
-            // Simple linear panning
-            v.pan_left = (pan > 0.0f) ? (1.0f - pan) : 1.0f;
-            v.pan_right = (pan < 0.0f) ? (1.0f + pan) : 1.0f;
-            
-            v.current_spectral_frame = 0;
-            v.total_spectral_frames = g_synth_data.spectrograms[spectrogram_id].num_frames;
-            v.buffer_pos = DCT_SIZE; // Force IDCT on first render
-            v.active_spectral_data = g_synth_data.active_spectrogram_data[spectrogram_id];
-            
-            return; // Voice triggered
-        }
-    }
-}
-
-
-void synth_render(float* output_buffer, int num_frames) {
-    float window[WINDOW_SIZE];
-    hamming_window_512(window);
-
-    for (int i = 0; i < num_frames; ++i) {
-        float left_sample = 0.0f;
-        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;
-
-            if (v.buffer_pos >= DCT_SIZE) {
-                if (v.current_spectral_frame >= v.total_spectral_frames) {
-                    v.active = false;
-                    continue;
-                }
-                
-                // Fetch the latest active spectrogram pointer for this voice
-                v.active_spectral_data = g_synth_data.active_spectrogram_data[v.spectrogram_id];
-
-                const float* spectral_frame = (const float*)v.active_spectral_data + (v.current_spectral_frame * DCT_SIZE);
-
-                float windowed_frame[DCT_SIZE];
-                for(int j=0; j<DCT_SIZE; ++j) {
-                    windowed_frame[j] = spectral_frame[j] * window[j];
-                }
-
-                idct_512(windowed_frame, v.time_domain_buffer);
-
-                v.buffer_pos = 0;
-                v.current_spectral_frame++;
-            }
-
-            float voice_sample = v.time_domain_buffer[v.buffer_pos] * v.volume;
-            left_sample += voice_sample * v.pan_left;
-            right_sample += voice_sample * v.pan_right;
-            
-            v.buffer_pos++;
-        }
-
-        output_buffer[i * 2] = left_sample;
-        output_buffer[i * 2 + 1] = right_sample;
-    }
-}
-
-int synth_get_active_voice_count() {
-    int count = 0;
-    for (int i = 0; i < MAX_VOICES; ++i) {
-        if (g_voices[i].active) {
-            count++;
-        }
-    }
-    return count;
-}