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2017-08-18 Fred Gleason <fredg@paravelsystems.com>

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* Added rdrender(1) in 'utils/rdrender/'.
This commit is contained in:
Fred Gleason
2017-08-18 14:57:15 -04:00
parent 040efdd3f0
commit 2b389602ba
9 changed files with 461 additions and 0 deletions
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103
utils/rdrender/mainloop.cpp Normal file
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// mainloop.cpp
//
// Render a Rivendell log.
//
// (C) Copyright 2017 Fred Gleason <fredg@paravelsystems.com>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2 as
// published by the Free Software Foundation.
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include <stdio.h>
#include <sndfile.h>
#include <rdcart.h>
#include <rdcut.h>
#include <rdlog.h>
#include <rdlog_event.h>
#include <rdlog_line.h>
#include "rdrender.h"
int MainObject::MainLoop()
{
static float pcm[16384];
QTime current_time=render_start_time;
// QDate current_date=render_start_date;
//
// Open Endpoints
//
RDLog *log=new RDLog(render_logname);
if(!log->exists()) {
fprintf(stderr,"rdrender: no such log\n");
return 1;
}
RDLogEvent *log_event=new RDLogEvent(RDLog::tableName(render_logname));
log_event->load();
SF_INFO sf_info;
memset(&sf_info,0,sizeof(sf_info));
sf_info.samplerate=render_system->sampleRate();
sf_info.channels=render_channels;
sf_info.format=SF_FORMAT_WAV|SF_FORMAT_PCM_16;
SNDFILE *sf_out=sf_open(render_output_filename,SFM_WRITE,&sf_info);
if(sf_out==NULL) {
fprintf(stderr,"rdrender: unable to open output file [%s]\n",
sf_strerror(sf_out));
return 1;
}
//
// Iterate through the log
//
for(int i=0;i<log_event->size();i++) {
RDLogLine *ll=log_event->logLine(i);
if(ll->type()==RDLogLine::Cart) {
RDCart *cart=new RDCart(ll->cartNumber());
if(cart->exists()&&(cart->type()==RDCart::Audio)) {
QString cutname;
if(cart->selectCut(&cutname,current_time)) {
RDCut *cut=new RDCut(cutname);
//
// FIXME: This breaks on setups where caed(8) has been delegated
// to a different host!
//
// FIXME: This breaks with MPEG audio stores!
//
QString filename;
if(GetCutFile(cutname,cut->startPoint(),cut->endPoint(),&filename)) {
SNDFILE *sf_in=sf_open(filename,SFM_READ,&sf_info);
int n;
if(sf_in!=NULL) {
DeleteCutFile(filename);
while((n=sf_readf_float(sf_in,pcm,8192))>0) {
sf_writef_float(sf_out,pcm,n);
}
sf_close(sf_in);
}
}
delete cut;
}
}
delete cart;
}
}
//
// Clean up
//
sf_close(sf_out);
return 0;
}