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#define LPC_STATIC_DECL
#define LPC_ENC_DEC_IMPLEMENTATION
#include "lpc10_enc_dec.h"
#include "blissful_orange.h"
#define MAX_SAMPLES_UPDATE 512
#define SAMPLE_RATE 8000
#define PADDING_PX 10
#define FONT_SIZE 24
#define BACKGROUND_COLOR CLITERAL(Color) {0x1c, 0x1c, 0x1c, 0xff}
// AudioStream audio_stream;
typedef enum {
STATUS_IDLE,
STATUS_CONVERTING,
} Program_Status;
typedef struct {
Program_Status status;
u64 index;
FilePathList path_list;
Lpc_Encoder_Settings settings;
} Program_State;
Program_State state;
void program_init(void) {
state.status = STATUS_IDLE;
state.settings = LPC_DEFAULT_SETTINGS;
SetWindowMinSize(WINDOW_WIDTH, WINDOW_HEIGHT);
GuiLoadStyleBlissfulOrange();
GuiSetStyle(DEFAULT, TEXT_ALIGNMENT, TEXT_ALIGN_CENTER);
}
void program_deinit(void) {
}
void program_update(void) {
switch (state.status) {
case STATUS_IDLE:
{
if (IsFileDropped()) {
if (state.path_list.paths != NULL) {
UnloadDroppedFiles(state.path_list);
memset(&state.path_list, 0, sizeof(FilePathList));
}
state.path_list = LoadDroppedFiles();
state.status = STATUS_CONVERTING;
}
} break;
case STATUS_CONVERTING:
{
Lpc_Sample_Buffer samples;
Lpc_TMS5220_Buffer buffer;
Lpc_Codes codes;
Wave wave;
const char *file_name;
if (state.index >= state.path_list.count) {
state.status = STATUS_IDLE;
state.index = 0;
break;
}
wave = LoadWave(state.path_list.paths[state.index]);
file_name = GetFileNameWithoutExt(state.path_list.paths[state.index]);
state.index++;
if (!IsWaveValid(wave)) {
break;
}
WaveFormat(&wave, LPC_SAMPLE_RATE, 32, 1);
samples.sample_rate = LPC_SAMPLE_RATE;
samples.channels = 1;
samples.frame_count = wave.frameCount;
samples.samples = (f32*)wave.data;
codes = lpc_encode(samples, state.settings);
buffer = lpc_tms5220_encode(codes);
UnloadWave(wave);
memset(&wave, 0, sizeof(Wave));
samples = lpc_decode(codes);
wave.sampleRate = samples.sample_rate;
wave.sampleSize = 32;
wave.channels = 1;
wave.frameCount = samples.frame_count;
wave.data = (void*)samples.samples;
ExportWave(wave, TextFormat("lpc10_%s.wav", file_name));
ExportDataAsCode(buffer.bytes, buffer.count, TextFormat("lpc10_%s.h", file_name));
lpc_codes_free(&codes);
lpc_buffer_free(&samples);
lpc_tms5220_buffer_free(&buffer);
} break;
}
}
void program_render(void) {
Font font;
Vector2 pos, size;
const char *text;
u64 i;
Rectangle rect;
s32 x, height, width;
font = GetFontDefault();
BeginDrawing();
ClearBackground(BACKGROUND_COLOR);
switch (state.status) {
case STATUS_IDLE:
{
x = rect.x = window_width / 4;
width = rect.width = window_width / 2;
height = rect.height = window_height / 15;
rect.height -= PADDING_PX / 2;
rect.y = PADDING_PX / 2;
rect.width = window_width;
rect.x = 0;
GuiLabel(rect, "Pitch buffer settings");
rect.x = x;
rect.width = width;
rect.y += height;
GuiSlider(rect, "Low-cut", TextFormat("%.0f", state.settings.pitch_low_cut), &state.settings.pitch_low_cut, 1.0f, 500.0f);
rect.y += height;
GuiSlider(rect, "High-cut", TextFormat("%.0f", state.settings.pitch_high_cut), &state.settings.pitch_high_cut, 100.0f, 1000.0f);
rect.y += height;
GuiSlider(rect, "Q-Factor", TextFormat("%.2f", state.settings.pitch_q_factor), &state.settings.pitch_q_factor, 0.01f, 8.0f);
rect.y += height;
rect.width = window_width;
rect.x = 0;
GuiLabel(rect, "Ks processing buffer settings");
rect.x = x;
rect.width = width;
rect.y += height;
GuiSlider(rect, "Low-cut", TextFormat("%.0f", state.settings.processing_low_cut), &state.settings.processing_low_cut, 1.0f, 500.0f);
rect.y += height;
GuiSlider(rect, "High-cut", TextFormat("%.0f", state.settings.processing_high_cut), &state.settings.processing_high_cut, 100.0f, 4000.0f);
rect.y += height;
GuiSlider(rect, "Q-Factor", TextFormat("%.2f", state.settings.processing_q_factor), &state.settings.processing_q_factor, 0.01f, 8.0f);
rect.y += height;
rect.y += height;
GuiSlider(rect, "Unvoiced thresh.", TextFormat("%.2f", state.settings.unvoiced_thresh), &state.settings.unvoiced_thresh, -1.0f, 1.0f);
rect.y += height;
GuiSlider(rect, "Unvoiced RMS mult.", TextFormat("%.2f", state.settings.unvoiced_rms_multiply), &state.settings.unvoiced_rms_multiply, 0.0f, 8.0f);
rect.y += height;
GuiToggle(rect, "Pre Emphasis", (bool*)&state.settings.do_pre_emphasis);
rect.y += height;
GuiSlider(rect, "Alpha", TextFormat("%.6f", state.settings.pre_emphasis_alpha), &state.settings.pre_emphasis_alpha, -1.0f, 1.0f);
rect.y += height * 2;
rect.width = window_width;
rect.x = 0;
GuiLabel(rect, "Drag and drop files you need to convert");
} break;
case STATUS_CONVERTING:
{
text = "---- PROCESSING ----";
size = MeasureTextEx(font, text, 24, 1);
pos.x = window_width / 2 - size.x / 2;
pos.y = window_height / 2 - size.y / 2;
DrawTextEx(font, text, pos, 24, 1, WHITE);
for (i = 0; i < state.path_list.count; i++) {
if (i < state.index) continue;
text = GetFileNameWithoutExt(state.path_list.paths[i]);
text = TextFormat("%s", text);
size = MeasureTextEx(font, text, 24, 1);
pos.x = size.y;
pos.y = size.y * ((i - state.index) + 1);
DrawTextEx(font, text, pos, 24, 1, WHITE);
}
} break;
}
EndDrawing();
}
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