mirror of
https://github.com/oxen-io/session-android.git
synced 2024-12-21 07:27:30 +00:00
44 lines
956 B
C++
44 lines
956 B
C++
#ifndef __AUDIO_CODEC_H__
|
|
#define __AUDIO_CODEC_H__
|
|
|
|
#include <sys/types.h>
|
|
#include <speex/speex.h>
|
|
#include <speex/speex_echo.h>
|
|
|
|
#include <modules/audio_processing/aecm/include/echo_control_mobile.h>
|
|
#include <modules/audio_processing/ns/include/noise_suppression_x.h>
|
|
|
|
#define SPEEX_BIT_RATE 8000
|
|
#define SPEEX_SAMPLE_RATE 8000
|
|
#define SPEEX_FRAME_RATE 50
|
|
#define SPEEX_FRAME_SIZE (SPEEX_SAMPLE_RATE / SPEEX_FRAME_RATE)
|
|
|
|
#define SPEEX_ENCODED_FRAME_SIZE 20
|
|
|
|
class AudioCodec {
|
|
|
|
private:
|
|
void *enc; //speex encoder
|
|
void *dec; //speex decoder
|
|
|
|
void *aecm;
|
|
NsxHandle *ns;
|
|
|
|
SpeexBits enc_bits, dec_bits;
|
|
SpeexEchoState *echo_state;
|
|
|
|
int enc_frame_size, dec_frame_size;
|
|
int initialized;
|
|
|
|
public:
|
|
AudioCodec();
|
|
~AudioCodec();
|
|
|
|
int init();
|
|
int encode(short *rawData, char* encodedData, int encodedDataLen);
|
|
int decode(char* encodedData, int encodedDataLen, short* rawData);
|
|
int conceal(int frames, short *rawData);
|
|
|
|
};
|
|
|
|
#endif |