shithub: aacenc

ref: ff3bc1e0556250eb20f3cb67cf573666e2458c1e
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
#define CUT_OFF                 6
#define OUT_SAMPLING_RATE       7
#define RAW_AUDIO               8
#define TNS                     9
#define LTP                     10
#define PNS                     11
#define IN_SAMPLING_RATE        12
#define NUMBER_OF_CHANNELS      13

#define MAIN_PROFILE 0
#define LOW_PROFILE 1

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

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

#define USE_TNS         1
#define NO_TNS          0

#define USE_LTP         1
#define NO_LTP          0

#define USE_PNS         1
#define NO_PNS          0

#define USE_RAW_AUDIO   1
#define NO_RAW_AUDIO    0

#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 channels;
	int out_sampling_rate;
	int in_sampling_rate;
	int frame_bits;
	int available_bits;
        int header_type;
	int use_MS;
	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);
int faac_BlockEncodeFrame(faacAACStream *as, short *input_samples, int Samples);
void faac_EncodeFree(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) int faac_BlockEncodeFrame(faacAACStream *as, short *input_samples, int Samples);
__declspec(dllexport) void faac_EncodeFree(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