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#define LPC_STATIC_DECL
#define LPC_ENC_DEC_IMPLEMENTATION
#include "lpc10_enc_dec.h"
#define MAX_SAMPLES_UPDATE 512
#define SAMPLE_RATE 8000
// 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;
}
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;
BeginDrawing();
ClearBackground(CLITERAL(Color) {0x1c, 0x1c, 0x1c, 0xff});
text = ">> drag and drop files here <<";
font = GetFontDefault();
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++) {
text = GetFileNameWithoutExt(state.path_list.paths[i]);
text = TextFormat("[%s] %s", i < state.index ? "DONE" : "----", text);
size = MeasureTextEx(font, text, 24, 1);
pos.x = size.y;
pos.y = size.y * (i + 1);
DrawTextEx(font, text, pos, 24, 1, WHITE);
}
EndDrawing();
}
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