1 /* 2 * Copyright (C) 2002-2003 Fhg Fokus 3 * 4 * This file is part of SEMS, a free SIP media server. 5 * 6 * SEMS is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation; either version 2 of the License, or 9 * (at your option) any later version. This program is released under 10 * the GPL with the additional exemption that compiling, linking, 11 * and/or using OpenSSL is allowed. 12 * 13 * For a license to use the SEMS software under conditions 14 * other than those described here, or to purchase support for this 15 * software, please contact iptel.org by e-mail at the following addresses: 16 * info@iptel.org 17 * 18 * SEMS is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26 */ 27 /** @file AmConferenceChannel.h */ 28 #ifndef AmConferenceChannel_h 29 #define AmConferenceChannel_h 30 31 #include "AmAudio.h" 32 #include "AmConferenceStatus.h" 33 34 #include "sip/async_file.h" 35 class ChannelWritingFile : public async_file 36 { 37 FILE* fp; 38 public: 39 ChannelWritingFile(const char* path); 40 ~ChannelWritingFile(); 41 42 int write_to_file(const void* buf, unsigned int len); 43 44 void on_flushed(); 45 46 AmCondition<bool> finished; 47 }; 48 49 /** 50 * \brief one channel of a conference 51 * 52 * A ConferenceChannel is one channel, i.e. to/from one 53 * participant, in a conference. 54 */ 55 class AmConferenceChannel: public AmAudio 56 { 57 bool own_channel; 58 int channel_id; 59 string channel_tag; 60 string conf_id; 61 AmConferenceStatus* status; 62 63 string in_file_name; 64 string out_file_name; 65 bool have_in_sr; 66 bool have_out_sr; 67 ChannelWritingFile* in_file; 68 ChannelWritingFile* out_file; 69 70 protected: 71 // Fake implement AmAudio's pure virtual methods 72 // this avoids to copy the samples locally by implementing only get/put read(unsigned int user_ts,unsigned int size)73 int read(unsigned int user_ts, unsigned int size){ return -1; } write(unsigned int user_ts,unsigned int size)74 int write(unsigned int user_ts, unsigned int size){ return -1; } 75 76 // override AmAudio 77 int get(unsigned long long system_ts, unsigned char* buffer, 78 int output_sample_rate, unsigned int nb_samples); 79 int put(unsigned long long system_ts, unsigned char* buffer, 80 int input_sample_rate, unsigned int size); 81 82 public: 83 AmConferenceChannel(AmConferenceStatus* status, 84 int channel_id, string channel_tag, bool own_channel); 85 86 ~AmConferenceChannel(); 87 getConfID()88 string getConfID() { return conf_id; } 89 }; 90 91 #endif 92