mirror of
https://github.com/ElvishArtisan/rivendell.git
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98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
// mainloop.cpp
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//
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// Render a Rivendell log.
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//
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// (C) Copyright 2017 Fred Gleason <fredg@paravelsystems.com>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as
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// published by the Free Software Foundation.
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//
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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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//
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// You should have received a copy of the GNU General Public
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// License along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#include <stdio.h>
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#include <sndfile.h>
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#include <rdcart.h>
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#include <rdcut.h>
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#include <rdlog.h>
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#include <rdlog_event.h>
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#include <rdlog_line.h>
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#include "rdrender.h"
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int MainObject::MainLoop()
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{
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static float pcm[16384];
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QTime current_time=render_start_time;
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// QDate current_date=render_start_date;
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//
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// Open Endpoints
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//
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RDLog *log=new RDLog(render_logname);
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if(!log->exists()) {
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fprintf(stderr,"rdrender: no such log\n");
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return 1;
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}
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RDLogEvent *log_event=new RDLogEvent(RDLog::tableName(render_logname));
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log_event->load();
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SF_INFO sf_info;
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memset(&sf_info,0,sizeof(sf_info));
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sf_info.samplerate=render_system->sampleRate();
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sf_info.channels=render_channels;
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sf_info.format=SF_FORMAT_WAV|SF_FORMAT_PCM_16;
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SNDFILE *sf_out=sf_open(render_output_filename,SFM_WRITE,&sf_info);
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if(sf_out==NULL) {
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fprintf(stderr,"rdrender: unable to open output file [%s]\n",
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sf_strerror(sf_out));
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return 1;
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}
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//
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// Iterate through the log
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//
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for(int i=0;i<log_event->size();i++) {
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RDLogLine *ll=log_event->logLine(i);
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if(ll->type()==RDLogLine::Cart) {
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RDCart *cart=new RDCart(ll->cartNumber());
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if(cart->exists()&&(cart->type()==RDCart::Audio)) {
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QString cutname;
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if(cart->selectCut(&cutname,current_time)) {
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RDCut *cut=new RDCut(cutname);
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QString filename;
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if(GetCutFile(cutname,cut->startPoint(),cut->endPoint(),&filename)) {
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SNDFILE *sf_in=sf_open(filename,SFM_READ,&sf_info);
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int n;
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if(sf_in!=NULL) {
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DeleteCutFile(filename);
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while((n=sf_readf_float(sf_in,pcm,8192))>0) {
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sf_writef_float(sf_out,pcm,n);
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}
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sf_close(sf_in);
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}
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}
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delete cut;
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}
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}
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delete cart;
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}
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}
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//
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// Clean up
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//
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sf_close(sf_out);
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return 0;
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}
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