mlc/flactomp3.h
2023-07-19 19:12:18 -03:00

60 lines
1.6 KiB
C++

#pragma once
#include "FLAC/stream_decoder.h"
#include <lame/lame.h>
#include <jpeglib.h>
#include <string>
#include <string_view>
#include <iostream>
#include <map>
#include <stdio.h>
class FLACtoMP3 {
public:
FLACtoMP3(uint8_t size = 4);
~FLACtoMP3();
void setInputFile(const std::string& path);
void setOutputFile(const std::string& path);
bool run();
private:
void processTags(const FLAC__StreamMetadata_VorbisComment& tags);
void processInfo(const FLAC__StreamMetadata_StreamInfo& info);
void processPicture(const FLAC__StreamMetadata_Picture& picture);
bool decodeFrame(const int32_t * const buffer[], uint32_t size);
bool flush();
bool initializeOutput();
bool tryKnownTag(std::string_view source);
bool scaleJPEG(const FLAC__StreamMetadata_Picture& picture);
static void error(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
static void metadata(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
static FLAC__StreamDecoderWriteStatus write(
const FLAC__StreamDecoder *decoder,
const FLAC__Frame *frame,
const FLAC__int32 * const buffer[],
void *client_data
);
private:
std::string inPath;
std::string outPath;
FLAC__StreamDecoder *decoder;
lame_t encoder;
FLAC__StreamDecoderInitStatus statusFLAC;
FILE* output;
uint8_t bufferMultiplier;
uint32_t flacMaxBlockSize;
uint32_t pcmCounter;
uint32_t pcmSize;
int16_t* pcm;
uint8_t* outputBuffer;
uint32_t outputBufferSize;
bool outputInitilized;
bool downscaleAlbumArt;
};