mumsi/AudioFramesMixer.hpp

58 lines
1.3 KiB
C++

#pragma once
#include <pjmedia.h>
#include <log4cpp/Category.hh>
#include <boost/noncopyable.hpp>
#include <mutex>
namespace mixer {
class Exception : public std::runtime_error {
public:
Exception(const char *title) : std::runtime_error(title) {
mesg += title;
}
Exception(const char *title, pj_status_t status) : std::runtime_error(title) {
char errorMsgBuffer[500];
pj_strerror(status, errorMsgBuffer, sizeof(errorMsgBuffer));
mesg += title;
mesg += ": ";
mesg += errorMsgBuffer;
}
virtual const char *what() const throw() override {
return mesg.c_str();
}
private:
std::string mesg;
};
class AudioFramesMixer : boost::noncopyable {
public:
AudioFramesMixer(pj_pool_factory &poolFactory);
virtual ~AudioFramesMixer();
void addFrameToBuffer(int sessionId, int sequenceNumber, int16_t *samples, int samplesLength);
int getMixedSamples(int16_t *mixedSamples, int requestedLength);
void clean();
private:
log4cpp::Category &logger;
pj_pool_t *pool = nullptr;
pjmedia_circ_buf *inputBuff;
std::mutex inBuffAccessMutex;
};
}