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sems/core/AmConferenceChannel.h

92 lines
2.7 KiB

/*
* Copyright (C) 2002-2003 Fhg Fokus
*
* This file is part of SEMS, a free SIP media server.
*
* SEMS is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version. This program is released under
* the GPL with the additional exemption that compiling, linking,
* and/or using OpenSSL is allowed.
*
* For a license to use the SEMS software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* SEMS is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/** @file AmConferenceChannel.h */
#ifndef AmConferenceChannel_h
#define AmConferenceChannel_h
#include "AmAudio.h"
#include "AmConferenceStatus.h"
#include "sip/async_file.h"
class ChannelWritingFile : public async_file
{
FILE* fp;
public:
ChannelWritingFile(const char* path);
~ChannelWritingFile();
int write_to_file(const void* buf, unsigned int len);
void on_flushed();
AmCondition<bool> finished;
};
/**
* \brief one channel of a conference
*
* A ConferenceChannel is one channel, i.e. to/from one
* participant, in a conference.
*/
class AmConferenceChannel: public AmAudio
{
bool own_channel;
int channel_id;
string channel_tag;
string conf_id;
AmConferenceStatus* status;
string in_file_name;
string out_file_name;
bool have_in_sr;
bool have_out_sr;
ChannelWritingFile* in_file;
ChannelWritingFile* out_file;
protected:
// Fake implement AmAudio's pure virtual methods
// this avoids to copy the samples locally by implementing only get/put
int read(unsigned int user_ts, unsigned int size){ return -1; }
int write(unsigned int user_ts, unsigned int size){ return -1; }
// override AmAudio
int get(unsigned long long system_ts, unsigned char* buffer,
int output_sample_rate, unsigned int nb_samples);
int put(unsigned long long system_ts, unsigned char* buffer,
int input_sample_rate, unsigned int size);
public:
AmConferenceChannel(AmConferenceStatus* status,
int channel_id, string channel_tag, bool own_channel);
~AmConferenceChannel();
string getConfID() { return conf_id; }
};
#endif