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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* camera.cc
*
* Fri Oct 29 12:46:38 CEST 2004
* Copyright 2004 Bent Bisballe
* deva@aasimon.org
****************************************************************************/
/*
* This program 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.
*
* 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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* $Id$
*/
/*
* $Log$
* Revision 1.9 2005/05/01 11:25:56 deva
* Added code to read screenshot from frame queue, decode it to rgb and put it into a qimage.
*
* Revision 1.8 2005/05/01 09:56:26 deva
* Added Id and Log tags to all files
*
*/
#include <config.h>
#ifdef USE_GUI
#include "camera.h"
Camera::Camera()
{
}
void Camera::connect(const char *ip, const int port)
{
errorstatus = new Error();
initialized = false;
pthread_mutex_init (&mutex, NULL);
//mutex = PTHREAD_MUTEX_INITIALIZER;
/*
AVFormatContext *ifmtctx;
AVFormatContext *ofmtctx;
*/
running = 1;
av_register_all();
encode_queue = new Queue<Frame>(); // infinite size
player_queue = new Queue<Frame>(1); // fixed size of 1
sem_init(&encode_sem, 0, 0);
sem_init(&player_sem, 0, 0);
decoder = new Decoder(errorstatus,
&encode_sem,
&player_sem,
encode_queue,
player_queue,
&mutex,
&running);
if(errorstatus->hasError()) {
errorstatus->pushError("Camera initialization failed (decoder).");
return;
}
encoder = new Encoder(errorstatus,
ip, port,
&encode_sem,
encode_queue,
&mutex,
&running);
if(errorstatus->hasError()) {
errorstatus->pushError("Camera initialization failed (encoder).");
return;
}
player = new Player(errorstatus,
&running,
&player_sem,
player_queue,
&mutex);
if(errorstatus->hasError()) {
errorstatus->pushError("Camera initialization failed (player).");
return;
}
pthread_create (&decodetid, NULL, thread_run, decoder);
if(errorstatus->hasError()) {
errorstatus->pushError("Camera initialization failed (decoder thread).");
return;
}
pthread_create (&encodetid, NULL, thread_run, encoder);
if(errorstatus->hasError()) {
errorstatus->pushError("Camera initialization failed (encoder thread).");
return;
}
pthread_create (&playertid, NULL, thread_run, player);
if(errorstatus->hasError()) {
errorstatus->pushError("Camera initialization failed (player thread).");
return;
}
initialized = true;
}
Camera::~Camera()
{
// Signal to the threads to stop
running = 0;
pthread_join(decodetid, NULL);
pthread_join(playertid, NULL);
pthread_join(encodetid, NULL);
delete decoder;
delete encoder;
delete player;
sem_destroy(&encode_sem);
sem_destroy(&player_sem);
delete player_queue;
delete encode_queue;
delete errorstatus;
}
void Camera::setCpr(char *newcpr)
{
if(initialized) encoder->setCpr(newcpr);
else errorstatus->pushError("Camera not initialized.");
}
void Camera::start()
{
if(initialized) encoder->start();
else errorstatus->pushError("Camera not initialized.");
}
void Camera::stop(n_savestate save)
{
if(initialized) encoder->stop(save);
else errorstatus->pushError("Camera not initialized.");
}
void Camera::freeze()
{
// FIXME: Ensure they freeze the same frame, i.e. the player
// shows the same frame that is actually frozen on the server.
if(initialized) {
player->stop();
encoder->freeze();
} else {
errorstatus->pushError("Camera not initialized.");
}
}
void Camera::unfreeze()
{
if(initialized) player->start();
else errorstatus->pushError("Camera not initialized.");
}
void Camera::snapshot(unsigned char *rgb)
{
if(initialized) encoder->shoot(rgb);
else errorstatus->pushError("Camera not initialized.");
}
Error *Camera::errorObject()
{
return errorstatus;
}
#endif/* USE_GUI */
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