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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 1.10 2005/07/07 12:42:19 deva
* *** empty log message ***
*
* Revision 1.9 2005/07/05 23:15:16 deva
* *** empty log message ***
*
* Revision 1.8 2005/06/30 10:04:35 deva
* *** empty log message ***
*
* Revision 1.7 2005/06/19 20:04:43 deva
* ImgEncoder now uses the file class for output, through jpeg_mem_dest.
*
* Revision 1.6 2005/06/16 21:28:57 deva
* Rewrote thread object
* Fixed bug in mov_encoder (pushed read_sem too many times, whihc lead to
* growing server queue)
*
* Revision 1.5 2005/06/14 18:58:35 deva
* *** empty log message ***
*
* 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 <config.h>
#include "mov_encoder_writer.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>
#include <semaphore.h>
#include <errno.h>
#include <string>
using namespace std;
#include "miav_config.h"
#include <time.h>
MovEncoderWriter::MovEncoderWriter(const char* cpr,
FramePriorityQueue *q,
sem_t *s,
pthread_mutex_t *m,
Info *i)
{
info = i;
info->info("MovEncoderWriter");
// Create path and filename
char fname[256];
string *server_root;
char birthmonth[3];
char date[32];
// Get server root
server_root = config->readString("server_movie_root");
// Copy the bytes representing the birth month from the cpr
// [dd][mm][yy]-[nn][nn]
strncpy(birthmonth, &cpr[2], 2);
birthmonth[2] = 0;
// Create date (today) in [yyyy][mm][dd]
struct tm *ltime;
time_t t = time(NULL);
ltime = localtime(&t);
sprintf(date, "%.4d%.2d%.2d",
ltime->tm_year + 1900,
ltime->tm_mon,
ltime->tm_mday);
sprintf(fname, "%s/%s/%s/%s-%s-", server_root->c_str(), birthmonth, cpr, cpr, date);
file = new File(fname, "mpg", info);
sem = s;
queue = q;
frame_number = 0;
mutex = m;
running = true;
}
MovEncoderWriter::~MovEncoderWriter()
{
info->info("~MovEncoderWriter");
delete file;
}
void MovEncoderWriter::thread_main()
{
info->info("MovEncoderWriter::run");
Frame *frame;
write_multiplex_header();
while(running) {
sem_wait(sem);
// Lock output mutex
pthread_mutex_lock(mutex);
frame = queue->top();
if(frame && frame->number == frame_number) queue->pop();
// poolsize = queue->size();
pthread_mutex_unlock(mutex);
// Unlock output mutex
int wrote = 0;
while(frame && (frame->number == frame_number)) {
int ret = 0;
/*
if(frame->number%2 == 1) write_video_header((unsigned short int)frame->size);
else write_audio_header((unsigned short int)frame->size);
*/
// if(frame->number%2 == 1) write_audio_header((unsigned short int)frame->size);
if(frame->number%2 == 1) ret = file->Write(frame->data, frame->size);
frame_number++;
wrote ++;
delete frame;
if(ret == -1) {
info->error("File write returned -1.");
return;
}
// Lock output mutex
pthread_mutex_lock(mutex);
frame = queue->top();
if(frame && frame->number == frame_number) queue->pop();
// poolsize = queue->size();
pthread_mutex_unlock(mutex);
// Unlock output mutex
}
}
info->info("MovEncoderWriter::stop");
}
void MovEncoderWriter::write_video_header(unsigned short int psize)
{
// PES Header startcode
char startcode[] = {
0x00, 0x00, 0x01
};
// Audio stream, index = 1
char streamID[] = {
0xE0
};
char packetsize[] = { 0x00, 0x00 };
packetsize[0] = ((char*)&psize)[0];
packetsize[1] = ((char*)&psize)[1];
file->Write(startcode, sizeof(startcode));
file->Write(streamID, sizeof(streamID));
file->Write(packetsize, sizeof(packetsize));
}
void MovEncoderWriter::write_audio_header(unsigned short int psize)
{
// PES Header startcode
char startcode[] = {
0x00, 0x00, 0x01
};
// Audio stream, index = 1
char streamID[] = {
0xC0
};
char packetsize[] = { 0x00, 0x00 };
// packetsize[0] = ((char*)&psize)[1];
// packetsize[1] = ((char*)&psize)[0];
file->Write(startcode, sizeof(startcode));
file->Write(streamID, sizeof(streamID));
file->Write(packetsize, sizeof(packetsize));
}
void MovEncoderWriter::write_multiplex_header()
{
}
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