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#pragma once
#include <QLibrary>
#include <QString>
#include <memory>
#include "encoder/encoder.h"
#include "util/fifo.h"
class EncoderFdkAac : public Encoder {
public:
EncoderFdkAac(EncoderCallback* pCallback);
virtual ~EncoderFdkAac();
int initEncoder(mixxx::audio::SampleRate sampleRate, QString* pUserErrorMessage) override;
void encodeBuffer(const CSAMPLE* samples, const int sampleCount) override;
void updateMetaData(const QString& artist, const QString& title, const QString& album) override;
void flush() override;
void setEncoderSettings(const EncoderSettings& settings) override;
private:
QString buttWindowsFdkAac();
// libfdk-aac common AOTs
static const int AOT_AAC_LC = 2; // AAC-LC: Low Complexity (iTunes)
static const int AOT_SBR = 5; // HE-AAC: with Spectral Band Replication
static const int AOT_PS = 29; // HE-AACv2: Parametric Stereo (includes SBR)
// libfdk-aac types and structs
typedef signed int INT;
typedef unsigned int UINT;
typedef signed short SHORT;
typedef unsigned short USHORT;
typedef signed char SCHAR;
typedef unsigned char UCHAR;
typedef enum {
AACENC_OK = 0x0000,
AACENC_INVALID_HANDLE = 0x0020,
AACENC_MEMORY_ERROR = 0x0021,
AACENC_UNSUPPORTED_PARAMETER = 0x0022,
AACENC_INVALID_CONFIG = 0x0023,
AACENC_INIT_ERROR = 0x0040,
AACENC_INIT_AAC_ERROR = 0x0041,
AACENC_INIT_SBR_ERROR = 0x0042,
AACENC_INIT_TP_ERROR = 0x0043,
AACENC_INIT_META_ERROR = 0x0044,
AACENC_ENCODE_ERROR = 0x0060,
AACENC_ENCODE_EOF = 0x0080,
} AACENC_ERROR;
typedef enum {
AACENC_AOT = 0x0100,
AACENC_BITRATE = 0x0101,
AACENC_BITRATEMODE = 0x0102,
AACENC_SAMPLERATE = 0x0103,
AACENC_SBR_MODE = 0x0104,
AACENC_GRANULE_LENGTH = 0x0105,
AACENC_CHANNELMODE = 0x0106,
AACENC_CHANNELORDER = 0x0107,
AACENC_SBR_RATIO = 0x0108,
AACENC_AFTERBURNER = 0x0200,
AACENC_BANDWIDTH = 0x0203,
AACENC_PEAK_BITRATE = 0x0207,
AACENC_TRANSMUX = 0x0300,
AACENC_HEADER_PERIOD = 0x0301,
AACENC_SIGNALING_MODE = 0x0302,
AACENC_TPSUBFRAMES = 0x0303,
AACENC_AUDIOMUXVER = 0x0304,
AACENC_PROTECTION = 0x0306,
AACENC_ANCILLARY_BITRATE = 0x0500,
AACENC_METADATA_MODE = 0x0600,
AACENC_CONTROL_STATE = 0xFF00,
AACENC_NONE = 0xFFFF
} AACENC_PARAM;
typedef enum {
IN_AUDIO_DATA = 0,
IN_ANCILLRY_DATA = 1, // as is in fdk-aac
IN_METADATA_SETUP = 2,
OUT_BITSTREAM_DATA = 3,
OUT_AU_SIZES = 4
} AACENC_BufferIdentifier;
typedef enum {
FDK_NONE = 0,
FDK_TOOLS = 1,
FDK_SYSLIB = 2,
FDK_AACDEC = 3,
FDK_AACENC = 4,
FDK_SBRDEC = 5,
FDK_SBRENC = 6,
FDK_TPDEC = 7,
FDK_TPENC = 8,
FDK_MPSDEC = 9,
FDK_MPEGFILEREAD = 10,
FDK_MPEGFILEWRITE = 11,
FDK_MP2DEC = 12,
FDK_DABDEC = 13,
FDK_DABPARSE = 14,
FDK_DRMDEC = 15,
FDK_DRMPARSE = 16,
FDK_AACLDENC = 17,
FDK_MP2ENC = 18,
FDK_MP3ENC = 19,
FDK_MP3DEC = 20,
FDK_MP3HEADPHONE = 21,
FDK_MP3SDEC = 22,
FDK_MP3SENC = 23,
FDK_EAEC = 24,
FDK_DABENC = 25,
FDK_DMBDEC = 26,
FDK_FDREVERB = 27,
FDK_DRMENC = 28,
FDK_METADATATRANSCODER = 29,
FDK_AC3DEC = 30,
FDK_PCMDMX = 31,
FDK_MODULE_LAST
} FDK_MODULE_ID;
typedef struct AACENCODER* HANDLE_AACENCODER;
typedef struct {
UINT maxOutBufBytes;
UINT maxAncBytes;
UINT inBufFillLevel;
UINT inputChannels;
UINT frameLength;
UINT encoderDelay;
UCHAR confBuf[64];
UINT confSize;
} AACENC_InfoStruct;
typedef struct {
INT numBufs;
void** bufs;
INT* bufferIdentifiers;
INT* bufSizes;
INT* bufElSizes;
} AACENC_BufDesc;
typedef struct {
INT numInSamples;
INT numAncBytes;
} AACENC_InArgs;
typedef struct {
INT numOutBytes;
INT numInSamples;
INT numAncBytes;
} AACENC_OutArgs;
typedef struct {
const char* title;
const char* build_date;
const char* build_time;
FDK_MODULE_ID module_id;
INT version;
UINT flags;
char versionStr[32];
} LIB_INFO;
// libfdk-aac functions prototypes
typedef AACENC_ERROR (*aacEncGetLibInfo_)(LIB_INFO*);
typedef AACENC_ERROR (*aacEncOpen_)(
HANDLE_AACENCODER*,
const UINT,
const UINT);
typedef AACENC_ERROR (*aacEncClose_)(HANDLE_AACENCODER*);
typedef AACENC_ERROR (*aacEncEncode_)(
const HANDLE_AACENCODER,
const AACENC_BufDesc*,
const AACENC_BufDesc*,
const AACENC_InArgs*,
AACENC_OutArgs*);
typedef AACENC_ERROR (*aacEncInfo_)(
const HANDLE_AACENCODER,
AACENC_InfoStruct*);
typedef AACENC_ERROR (*aacEncoder_SetParam_)(
const HANDLE_AACENCODER,
const AACENC_PARAM,
const UINT);
// libfdk-aac function pointers
aacEncGetLibInfo_ aacEncGetLibInfo;
aacEncOpen_ aacEncOpen;
aacEncClose_ aacEncClose;
aacEncEncode_ aacEncEncode;
aacEncInfo_ aacEncInfo;
aacEncoder_SetParam_ aacEncoder_SetParam;
// Instance methods
void processFIFO();
// Instance attributes
int m_aacAot;
int m_bitrate;
int m_channels;
mixxx::audio::SampleRate m_sampleRate;
EncoderCallback* m_pCallback;
std::unique_ptr<QLibrary> m_pLibrary;
FIFO<SAMPLE>* m_pInputFifo;
SAMPLE* m_pFifoChunkBuffer;
int m_readRequired;
HANDLE_AACENCODER m_aacEnc;
unsigned char* m_pAacDataBuffer;
AACENC_InfoStruct m_aacInfo;
bool m_hasSbr;
};
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