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https://github.com/servalproject/serval-dna.git
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58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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Copyright (C) 2012 Paul Gardner-Stephen
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "serval.h"
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int audio_reflector_null() { return 0; }
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int audio_reflector_pollfds(struct pollfd *fd,int slots) { return 0; }
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unsigned char reflectBuffer[8192];
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int reflectBufferLen=0;
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int audio_reflector_write(unsigned char *buffer,int len)
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{
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if (reflectBufferLen+len>=8192)
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len=8192-reflectBufferLen;
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bcopy(&buffer[0],&reflectBuffer[reflectBufferLen],len);
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reflectBufferLen+=len;
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return len;
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}
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int audio_reflector_read(unsigned char *buffer,int maximum_count)
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{
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int count=reflectBufferLen;
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if (count>maximum_count) count=maximum_count;
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bcopy(&reflectBuffer[0],&buffer[0],count);
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bcopy(&reflectBuffer[count],&reflectBuffer[0],
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reflectBufferLen-count);
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reflectBufferLen-=count;
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return count;
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}
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monitor_audio *audio_reflector_detect()
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{
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monitor_audio *au=calloc(sizeof(monitor_audio),1);
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strcpy(au->name,"Echo Reflector");
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au->start=audio_reflector_null;
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au->stop=audio_reflector_null;
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au->poll_fds=audio_reflector_pollfds;
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au->read=audio_reflector_read;
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au->write=audio_reflector_write;
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return au;
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}
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