baidu_speex_encoder.h

00001 // Copyright 2017 Baidu Inc. All Rights Reserved.
00002 // Author: tai xiurong (taixiurong@baidu.com)
00003 //
00004 // Description:
00005 
00006 #ifndef BAIDU_IOT_TINYDU_IOT_OS_SRC_RECORDER_BAIDU_OS_SPEEX_ENCODER_H
00007 #define BAIDU_IOT_TINYDU_IOT_OS_SRC_RECORDER_BAIDU_OS_SPEEX_ENCODER_H
00008 
00009 #include "baidu_recorder.h"
00010 
00011 namespace duer {
00012 
00013 class SpeexEncoder: public Recorder::MiddleWare {
00014 
00015 public:
00016 
00017     SpeexEncoder(size_t buff_size, void* buff);
00018     SpeexEncoder();
00019 
00020     virtual ~SpeexEncoder();
00021 
00022     virtual int on_start();
00023 
00024     virtual int on_resume();
00025 
00026     virtual int on_data(const void* data, size_t size);
00027 
00028     virtual int on_pause();
00029 
00030     virtual int on_stop();
00031 
00032 private:
00033     static void recorder_output_handler(void* ctx, char* data, int size, int flush);
00034     void*   _buff;
00035     size_t  _capacity;
00036     char*   _data;
00037     size_t  _size;
00038     void* _encoder_buffer;
00039     bool _valid_record;
00040     const int _min_valid_size = 512;
00041 };
00042 }//duer
00043 
00044 #endif // BAIDU_IOT_TINYDU_IOT_OS_SRC_RECORDER_BAIDU_OS_SPEEX_ENCODER_H