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sems/core/AmConferenceChannel.cpp

47 lines
1.5 KiB

#include "AmConferenceChannel.h"
#include <assert.h>
AmConferenceChannel::AmConferenceChannel(AmConferenceStatus* status, int channel_id, bool own_channel)
: status(status), channel_id(channel_id), own_channel(own_channel)
{
assert(status);
conf_id = status->getConfID();
}
AmConferenceChannel::~AmConferenceChannel()
{
if(own_channel)
AmConferenceStatus::releaseChannel(conf_id,channel_id);
}
int AmConferenceChannel::put(unsigned long long system_ts, unsigned char* buffer,
int input_sample_rate, unsigned int size)
{
memcpy((unsigned char*)samples,buffer,size);
AmMultiPartyMixer* mixer = status->getMixer();
mixer->lock();
size = resampleInput(samples,size,input_sample_rate,
mixer->GetCurrentSampleRate());
mixer->PutChannelPacket(channel_id,system_ts,
(unsigned char*)samples,size);
mixer->unlock();
return size;
}
int AmConferenceChannel::get(unsigned long long system_ts, unsigned char* buffer,
int output_sample_rate, unsigned int nb_samples)
{
if (!nb_samples || !output_sample_rate)
return 0;
AmMultiPartyMixer* mixer = status->getMixer();
mixer->lock();
unsigned int size = output_sample_rate ?
PCM16_S2B(nb_samples * mixer->GetCurrentSampleRate() / output_sample_rate) : 0;
unsigned int mixer_sample_rate = 0;
mixer->GetChannelPacket(channel_id,system_ts,buffer,size,mixer_sample_rate);
size = resampleOutput(buffer,size,mixer_sample_rate,output_sample_rate);
mixer->unlock();
return size;
}