serval-dna/audio_reflector.c
gardners 7b82ccbd7b work on bypass-audio.
CALLSTATUS monitor message has gained a field, thus changing
API for java side.
2012-05-11 08:14:00 +09:30

58 lines
1.8 KiB
C

/*
Copyright (C) 2012 Paul Gardner-Stephen
This program 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 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "serval.h"
int audio_reflector_null() { return 0; }
int audio_reflector_pollfds(struct pollfd *fd,int slots) { return 0; }
unsigned char reflectBuffer[8192];
int reflectBufferLen=0;
int audio_reflector_write(unsigned char *buffer,int len)
{
if (reflectBufferLen+len>=8192)
len=8192-reflectBufferLen;
bcopy(&buffer[0],&reflectBuffer[reflectBufferLen],len);
reflectBufferLen+=len;
return len;
}
int audio_reflector_read(unsigned char *buffer,int maximum_count)
{
int count=reflectBufferLen;
if (count>maximum_count) count=maximum_count;
bcopy(&reflectBuffer[0],&buffer[0],count);
bcopy(&reflectBuffer[count],&reflectBuffer[0],
reflectBufferLen-count);
reflectBufferLen-=count;
return count;
}
monitor_audio *audio_reflector_detect()
{
monitor_audio *au=calloc(sizeof(monitor_audio),1);
strcpy(au->name,"Echo Reflector");
au->start=audio_reflector_null;
au->stop=audio_reflector_null;
au->poll_fds=audio_reflector_pollfds;
au->read=audio_reflector_read;
au->write=audio_reflector_write;
return au;
}