mirror of
https://gitlab.linphone.org/BC/public/linphone-iphone.git
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2b8200409c
git-svn-id: svn+ssh://svn.savannah.nongnu.org/linphone/trunk@1 3f6dc0c8-ddfe-455d-9043-3cd528dc4637
98 lines
2.8 KiB
C
98 lines
2.8 KiB
C
/*
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The mediastreamer library aims at providing modular media processing and I/O
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for linphone, but also for any telephony application.
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Copyright (C) 2001 Simon MORLAT simon.morlat@linphone.org
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "msGSMencoder.h"
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#include "mscodec.h"
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extern MSCodecInfo GSMinfo;
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static MSGSMEncoderClass *ms_GSMencoder_class=NULL;
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MSFilter * ms_GSMencoder_new(void)
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{
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MSGSMEncoder *r;
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r=g_new(MSGSMEncoder,1);
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ms_GSMencoder_init(r);
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if (ms_GSMencoder_class==NULL)
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{
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ms_GSMencoder_class=g_new(MSGSMEncoderClass,1);
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ms_GSMencoder_class_init(ms_GSMencoder_class);
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}
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MS_FILTER(r)->klass=MS_FILTER_CLASS(ms_GSMencoder_class);
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return(MS_FILTER(r));
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}
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/* FOR INTERNAL USE*/
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void ms_GSMencoder_init(MSGSMEncoder *r)
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{
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ms_filter_init(MS_FILTER(r));
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MS_FILTER(r)->infifos=r->f_inputs;
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MS_FILTER(r)->outqueues=r->q_outputs;
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MS_FILTER(r)->r_mingran=2*160;
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memset(r->f_inputs,0,sizeof(MSFifo*)*MSGSMENCODER_MAX_INPUTS);
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memset(r->q_outputs,0,sizeof(MSFifo*)*MSGSMENCODER_MAX_INPUTS);
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r->gsm_handle=gsm_create();
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}
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void ms_GSMencoder_class_init(MSGSMEncoderClass *klass)
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{
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ms_filter_class_init(MS_FILTER_CLASS(klass));
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ms_filter_class_set_name(MS_FILTER_CLASS(klass),"GSMEncoder");
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MS_FILTER_CLASS(klass)->max_finputs=MSGSMENCODER_MAX_INPUTS;
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MS_FILTER_CLASS(klass)->max_qoutputs=MSGSMENCODER_MAX_INPUTS;
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MS_FILTER_CLASS(klass)->r_maxgran=2*160;
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MS_FILTER_CLASS(klass)->destroy=(MSFilterDestroyFunc)ms_GSMencoder_destroy;
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MS_FILTER_CLASS(klass)->process=(MSFilterProcessFunc)ms_GSMencoder_process;
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MS_FILTER_CLASS(klass)->info=MS_FILTER_INFO(&GSMinfo);
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}
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void ms_GSMencoder_process(MSGSMEncoder *r)
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{
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MSFifo *fi;
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MSQueue *qo;
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int err1;
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void *s;
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/* process output fifos, but there is only one for this class of filter*/
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fi=r->f_inputs[0];
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qo=r->q_outputs[0];
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err1=ms_fifo_get_read_ptr(fi,160*2,&s);
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if (err1>0){
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MSMessage *m=ms_message_new(33);
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gsm_encode(r->gsm_handle,(gsm_signal*)s,(gsm_byte*)m->data);
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ms_queue_put(qo,m);
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}
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}
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void ms_GSMencoder_uninit(MSGSMEncoder *obj)
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{
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gsm_destroy(obj->gsm_handle);
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}
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void ms_GSMencoder_destroy( MSGSMEncoder *obj)
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{
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ms_GSMencoder_uninit(obj);
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g_free(obj);
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}
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