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44 lines
956 B
C
44 lines
956 B
C
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#ifndef __AUDIO_CODEC_H__
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#define __AUDIO_CODEC_H__
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#include <sys/types.h>
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#include <speex/speex.h>
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#include <speex/speex_echo.h>
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#include <modules/audio_processing/aecm/include/echo_control_mobile.h>
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#include <modules/audio_processing/ns/include/noise_suppression_x.h>
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#define SPEEX_BIT_RATE 8000
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#define SPEEX_SAMPLE_RATE 8000
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#define SPEEX_FRAME_RATE 50
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#define SPEEX_FRAME_SIZE (SPEEX_SAMPLE_RATE / SPEEX_FRAME_RATE)
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#define SPEEX_ENCODED_FRAME_SIZE 20
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class AudioCodec {
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private:
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void *enc; //speex encoder
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void *dec; //speex decoder
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void *aecm;
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NsxHandle *ns;
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SpeexBits enc_bits, dec_bits;
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SpeexEchoState *echo_state;
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int enc_frame_size, dec_frame_size;
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int initialized;
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public:
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AudioCodec();
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~AudioCodec();
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int init();
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int encode(short *rawData, char* encodedData, int encodedDataLen);
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int decode(char* encodedData, int encodedDataLen, short* rawData);
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int conceal(int frames, short *rawData);
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};
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#endif
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