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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* mov_encoder_writer.cc
*
* Sun May 22 12:51:36 CEST 2005
* Copyright 2005 Bent Bisballe
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of MIaV.
*
* MIaV is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MIaV 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 MIaV; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
/*
* $Id$
*/
/*
* $Log$
* Revision 1.4 2005/06/14 12:29:40 deva
* Incorporated the use of the Info object everywhere... also using the log functionality.
*
* Revision 1.3 2005/05/26 21:32:39 deva
* *** empty log message ***
*
* Revision 1.2 2005/05/26 12:48:36 deva
* *** empty log message ***
*
* Revision 1.1 2005/05/22 15:49:22 deva
* Added multithreaded encoding support.
*
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>
#include <semaphore.h>
#include <errno.h>
#include <config.h>
#include "mov_encoder_writer.h"
MovEncoderWriter::MovEncoderWriter(const char* cpr,
FramePriorityQueue *q,
sem_t *s,
pthread_mutex_t *m,
Info *i)
{
info = i;
// TODO: build filename from cpr and date
char fname[256];
sprintf(fname, "/tmp/somefile");
file = new File(fname, "mpg", info);
sem = s;
queue = q;
frame_number = 0;
mutex = m;
running = true;
}
MovEncoderWriter::~MovEncoderWriter()
{
delete file;
}
void MovEncoderWriter::run()
{
Frame *frame;
while(running) {
sem_wait(sem);
if(queue->size() == 0) continue;
pthread_mutex_lock(mutex);
frame = queue->top();
if(frame->number == frame_number) queue->pop();
pthread_mutex_unlock(mutex);
while(frame->number == frame_number) {
int ret = file->Write(frame->data, frame->size);
delete frame;
if(ret == -1) return;
frame_number++;
pthread_mutex_lock(mutex);
frame = queue->top();
if(frame->number == frame_number) queue->pop();
pthread_mutex_unlock(mutex);
}
}
}
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