comparison: src/mediastreamer/mswrite.c
src/mediastreamer/mswrite.c
- branch
- gaim
- changeset 20470
- 77693555855f
- parent 13071
- b98e72d4089a
- parent 20469
- b2836a24d81e
- child 20471
- 1966704b3e42
equal
deleted
inserted
replaced
| 13071:b98e72d4089a | 20470:77693555855f |
|---|---|
| 1 /* | |
| 2 The mediastreamer library aims at providing modular media processing and I/O | |
| 3 for linphone, but also for any telephony application. | |
| 4 Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org | |
| 5 | |
| 6 This library is free software; you can redistribute it and/or | |
| 7 modify it under the terms of the GNU Lesser General Public | |
| 8 License as published by the Free Software Foundation; either | |
| 9 version 2.1 of the License, or (at your option) any later version. | |
| 10 | |
| 11 This library is distributed in the hope that it will be useful, | |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 Lesser General Public License for more details. | |
| 15 | |
| 16 You should have received a copy of the GNU Lesser General Public | |
| 17 License along with this library; if not, write to the Free Software | |
| 18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 19 */ | |
| 20 | |
| 21 #include "mswrite.h" | |
| 22 #include <unistd.h> | |
| 23 #include <fcntl.h> | |
| 24 #include <sys/types.h> | |
| 25 #include <sys/stat.h> | |
| 26 #include <string.h> | |
| 27 #include <errno.h> | |
| 28 | |
| 29 static MSWriteClass *ms_write_class=NULL; | |
| 30 | |
| 31 MSFilter * ms_write_new(char *name) | |
| 32 { | |
| 33 MSWrite *r; | |
| 34 int fd=-1; | |
| 35 | |
| 36 r=g_new(MSWrite,1); | |
| 37 ms_write_init(r); | |
| 38 if (ms_write_class==NULL) | |
| 39 { | |
| 40 ms_write_class=g_new(MSWriteClass,1); | |
| 41 ms_write_class_init(ms_write_class); | |
| 42 } | |
| 43 MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_write_class); | |
| 44 if ((name!=NULL) && (strlen(name)!=0)) | |
| 45 { | |
| 46 fd=open(name,O_WRONLY | O_CREAT | O_TRUNC,S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); | |
| 47 if (fd<0) g_error("ms_write_new: failed to open %s.\n",name); | |
| 48 } | |
| 49 r->fd=fd; | |
| 50 return(MS_FILTER(r)); | |
| 51 } | |
| 52 | |
| 53 | |
| 54 /* FOR INTERNAL USE*/ | |
| 55 void ms_write_init(MSWrite *r) | |
| 56 { | |
| 57 ms_filter_init(MS_FILTER(r)); | |
| 58 MS_FILTER(r)->infifos=r->f_inputs; | |
| 59 MS_FILTER(r)->inqueues=r->q_inputs; | |
| 60 MS_FILTER(r)->r_mingran=MSWRITE_MIN_GRAN; | |
| 61 memset(r->f_inputs,0,sizeof(MSFifo*)*MSWRITE_MAX_INPUTS); | |
| 62 memset(r->q_inputs,0,sizeof(MSQueue*)*MSWRITE_MAX_INPUTS); | |
| 63 r->fd=-1; | |
| 64 } | |
| 65 | |
| 66 void ms_write_class_init(MSWriteClass *klass) | |
| 67 { | |
| 68 ms_filter_class_init(MS_FILTER_CLASS(klass)); | |
| 69 ms_filter_class_set_name(MS_FILTER_CLASS(klass),"dskwriter"); | |
| 70 MS_FILTER_CLASS(klass)->max_finputs=MSWRITE_MAX_INPUTS; | |
| 71 MS_FILTER_CLASS(klass)->max_qinputs=MSWRITE_MAX_INPUTS; | |
| 72 MS_FILTER_CLASS(klass)->r_maxgran=MSWRITE_DEF_GRAN; | |
| 73 MS_FILTER_CLASS(klass)->destroy=(MSFilterDestroyFunc)ms_write_destroy; | |
| 74 MS_FILTER_CLASS(klass)->process=(MSFilterProcessFunc)ms_write_process; | |
| 75 } | |
| 76 | |
| 77 void ms_write_process(MSWrite *r) | |
| 78 { | |
| 79 MSFifo *f; | |
| 80 MSQueue *q; | |
| 81 MSMessage *buf=NULL; | |
| 82 int i,j,err1,err2; | |
| 83 gint gran=ms_filter_get_mingran(MS_FILTER(r)); | |
| 84 void *p; | |
| 85 | |
| 86 /* process output fifos*/ | |
| 87 for (i=0,j=0;(i<MS_FILTER(r)->klass->max_finputs)&&(j<MS_FILTER(r)->finputs);i++) | |
| 88 { | |
| 89 f=r->f_inputs[i]; | |
| 90 if (f!=NULL) | |
| 91 { | |
| 92 if ( (err1=ms_fifo_get_read_ptr(f,gran,&p))>0 ) | |
| 93 { | |
| 94 | |
| 95 err2=write(r->fd,p,gran); | |
| 96 if (err2<0) g_warning("ms_write_process: failed to write: %s.\n",strerror(errno)); | |
| 97 } | |
| 98 j++; | |
| 99 } | |
| 100 } | |
| 101 /* process output queues*/ | |
| 102 for (i=0,j=0;(i<MS_FILTER(r)->klass->max_qinputs)&&(j<MS_FILTER(r)->qinputs);i++) | |
| 103 { | |
| 104 q=r->q_inputs[i]; | |
| 105 if (q!=NULL) | |
| 106 { | |
| 107 while ( (buf=ms_queue_get(q))!=NULL ){ | |
| 108 write(r->fd,buf->data,buf->size); | |
| 109 j++; | |
| 110 ms_message_destroy(buf); | |
| 111 } | |
| 112 } | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 void ms_write_destroy( MSWrite *obj) | |
| 117 { | |
| 118 if (obj->fd!=0) close(obj->fd); | |
| 119 g_free(obj); | |
| 120 } | |
| 121 |
