shithub: aacenc

ref: bb0e703f2bd279b28c4d9ee6b2a21eacefbf945f
dir: /aacenc.h/

#include <stdio.h>
#include <sndfile.h>

typedef struct RCBufStruct RCBuf;	/* buffer handle */

#define PROFILE         1
#define HEADER_TYPE     2
#define MS_STEREO       3
#define IS_STEREO       4
#define BITRATE         5         // default: 128
#define CUT_OFF         6         // default: 0
#define OUT_SAMPLING_RATE       7 // default: 0
#define RAW_AUDIO       8         // default: 0
#define TNS             9
#define LTP             10
#define PNS             11

#define MAIN_PROFILE 0           // default
#define LOW_PROFILE 1

#define NO_HEADER	0
#define ADIF_HEADER     1
#define ADTS_HEADER     2        // default

#define NO_MS           -1
#define FORCE_MS        1
#define SWITCHING_MS    0        // default

#define USE_IS          1
#define NO_IS           0        // default

#define USE_TNS         1
#define NO_TNS          0        // default

#define USE_LTP         1        // default
#define NO_LTP          0

#define USE_PNS         1
#define NO_PNS          0        // default

#define USE_RAW_AUDIO   1
#define NO_RAW_AUDIO    0        //default

#define FNO_ERROR 0
#define FERROR 1
#define F_FINISH 2


typedef struct {
	int DLLMajorVersion; // These 2 values should always be checked, because the DLL
	int DLLMinorVersion; // interface can change from version to version.
	int MajorVersion;
	int MinorVersion;
	char HomePage[255];
} faacVersion;

// This structure is for AAC stream object
typedef struct {
	long total_bits;
	long frames;
	long cur_frame;
	int is_first_frame;
	int is_last_frames;
	int channels;
	int out_sampling_rate;
	int in_sampling_rate;
	int frame_bits;
	int available_bits;
        int header_type;
	int use_MS;
	int use_IS;
	int use_TNS;
	int use_LTP;
	int use_PNS;
	int profile;
	double **inputBuffer;
	RCBuf *rc_buf;
	int rc_needed;
	int savedSize;
	float saved[2048];
	int cut_off;
	int bit_rate;
	int raw_audio;
        SNDFILE *in_file;
        FILE *out_file;
        unsigned char *bitBuffer;
        int bitBufferSize;
        short *sampleBuffer;
	int samplesToRead;
} faacAACStream;

#ifndef FAAC_DLL

int faac_EncodeInit(faacAACStream *as, char *in_file, char *out_file);
int faac_EncodeFrame(faacAACStream *as);
void faac_EncodeFree(faacAACStream *as);
void faac_EncodeFinish(faacAACStream *as);
faacVersion *faac_Version(void);
void faac_InitParams(faacAACStream *as);
void faac_SetParam(faacAACStream *as, int param, int value);

#else

__declspec(dllexport) int faac_EncodeInit(faacAACStream *as, char *in_file, char *out_file);
__declspec(dllexport) int faac_EncodeFrame(faacAACStream *as);
__declspec(dllexport) void faac_EncodeFree(faacAACStream *as);
__declspec(dllexport) void faac_EncodeFinish(faacAACStream *as);
__declspec(dllexport) faacVersion *faac_Version(void);
__declspec(dllexport) void faac_InitParams(faacAACStream *as);
__declspec(dllexport) void faac_SetParam(faacAACStream *as, int param, int value);

#endif