| /* |
| The mediastreamer library aims at providing modular media processing and I/O |
| for linphone, but also for any telephony application. |
| Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| This library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with this library; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "mswrite.h" |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <string.h> |
| #include <errno.h> |
| |
| static MSWriteClass *ms_write_class=NULL; |
| |
| MSFilter * ms_write_new(char *name) |
| { |
| MSWrite *r; |
| int fd=-1; |
| |
| r=g_new(MSWrite,1); |
| ms_write_init(r); |
| if (ms_write_class==NULL) |
| { |
| ms_write_class=g_new(MSWriteClass,1); |
| ms_write_class_init(ms_write_class); |
| } |
| MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_write_class); |
| if ((name!=NULL) && (strlen(name)!=0)) |
| { |
| fd=open(name,O_WRONLY | O_CREAT | O_TRUNC,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); |
| if (fd<0) g_error("ms_write_new: failed to open %s.\n",name); |
| } |
| r->fd=fd; |
| return(MS_FILTER(r)); |
| } |
| |
| |
| /* FOR INTERNAL USE*/ |
| void ms_write_init(MSWrite *r) |
| { |
| ms_filter_init(MS_FILTER(r)); |
| MS_FILTER(r)->infifos=r->f_inputs; |
| MS_FILTER(r)->inqueues=r->q_inputs; |
| MS_FILTER(r)->r_mingran=MSWRITE_MIN_GRAN; |
| memset(r->f_inputs,0,sizeof(MSFifo*)*MSWRITE_MAX_INPUTS); |
| memset(r->q_inputs,0,sizeof(MSQueue*)*MSWRITE_MAX_INPUTS); |
| r->fd=-1; |
| } |
| |
| void ms_write_class_init(MSWriteClass *klass) |
| { |
| ms_filter_class_init(MS_FILTER_CLASS(klass)); |
| ms_filter_class_set_name(MS_FILTER_CLASS(klass),"dskwriter"); |
| MS_FILTER_CLASS(klass)->max_finputs=MSWRITE_MAX_INPUTS; |
| MS_FILTER_CLASS(klass)->max_qinputs=MSWRITE_MAX_INPUTS; |
| MS_FILTER_CLASS(klass)->r_maxgran=MSWRITE_DEF_GRAN; |
| MS_FILTER_CLASS(klass)->destroy=(MSFilterDestroyFunc)ms_write_destroy; |
| MS_FILTER_CLASS(klass)->process=(MSFilterProcessFunc)ms_write_process; |
| } |
| |
| void ms_write_process(MSWrite *r) |
| { |
| MSFifo *f; |
| MSQueue *q; |
| MSMessage *buf=NULL; |
| int i,j,err1,err2; |
| gint gran=ms_filter_get_mingran(MS_FILTER(r)); |
| void *p; |
| |
| /* process output fifos*/ |
| for (i=0,j=0;(i<MS_FILTER(r)->klass->max_finputs)&&(j<MS_FILTER(r)->finputs);i++) |
| { |
| f=r->f_inputs[i]; |
| if (f!=NULL) |
| { |
| if ( (err1=ms_fifo_get_read_ptr(f,gran,&p))>0 ) |
| { |
| |
| err2=write(r->fd,p,gran); |
| if (err2<0) g_warning("ms_write_process: failed to write: %s.\n",strerror(errno)); |
| } |
| j++; |
| } |
| } |
| /* process output queues*/ |
| for (i=0,j=0;(i<MS_FILTER(r)->klass->max_qinputs)&&(j<MS_FILTER(r)->qinputs);i++) |
| { |
| q=r->q_inputs[i]; |
| if (q!=NULL) |
| { |
| while ( (buf=ms_queue_get(q))!=NULL ){ |
| write(r->fd,buf->data,buf->size); |
| j++; |
| ms_message_destroy(buf); |
| } |
| } |
| } |
| } |
| |
| void ms_write_destroy( MSWrite *obj) |
| { |
| if (obj->fd!=0) close(obj->fd); |
| g_free(obj); |
| } |
| |