/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
 * RTVideoRec Realtime video recoder and encoder for Linux
 *
 * Copyright (C) 2004  Bent Bisballe
 * Copyright (C) 2004  B. Stultiens
 * Copyright (C) 2004  Koen Otter and Glenn van der Meyden
 *
 * 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 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
 */

#include <config.h>
#include "encoder.h"

Encoder::Encoder(const char *gip,
                 const int gport,
                 sem_t	*gsem,
                 Queue<DVFrame> *gqueue,
                 pthread_mutex_t *gmutex,
                 volatile int *grunning)
{
  sprintf(ip, gip);
  port = gport;
  memset(cpr, 0, sizeof(cpr));

  printf("[ip:   %s]\n", ip);
  printf("[port: %d]\n", port);

  sem = gsem;
  queue = gqueue;
  mutex = gmutex;
  running = grunning;

  record = 0;

 	sem_init(&record_sem, 0, 0);

  s = NULL;
  n = NULL;

  shoot_request = 0;
  shoot_value = 0;
  freeze_request = 0;
  freeze_value = 0;

}

Encoder::~Encoder()
{
  if(n) delete n;
  if(s) delete s;
}


void Encoder::setCpr(char *newcpr)
{
  sprintf(cpr, newcpr);
}


void Encoder::encode()
{ 
  DVFrame *f;

  while(*running) {
    sem_wait(sem);

    /*
    pthread_mutex_lock(mutex);
    while((f = queue->pop())) delete f;
    pthread_mutex_unlock(mutex);

    while(record) {
    sem_wait(sem);
    */
      
      pthread_mutex_lock(mutex);
      f = queue->pop();
      pthread_mutex_unlock(mutex);
      
      if((f && record) || (freeze_request != freeze_value) || (shoot_request != shoot_value)) {
        fprintf(stderr, "Rec!\n");
        n_header h;

        h.header_type = DATA_HEADER;
        sprintf(h.header.h_data.cpr, cpr);
        h.header.h_data.freeze = (freeze_request != freeze_value);
        h.header.h_data.snapshot = (shoot_request != shoot_value);
        h.header.h_data.record = record;

        if(freeze_request != freeze_value) freeze_value = freeze_request;
        if(shoot_request != shoot_value) shoot_value = shoot_request;

        n->sendPackage(&h, f->frame, sizeof(f->frame));
      }

      if(f) delete f;
      //}
  }
  pthread_exit(NULL);
}

void Encoder::freeze()
{  
  if(!s) {
    s = new Socket(port);
    s->sconnect(ip);
    n = new Network(s);
  }
  freeze_request = 1 - freeze_request;
}

void Encoder::shoot()
{
  if(!s) {
    s = new Socket(port);
    s->sconnect(ip);
    n = new Network(s);
  }
  shoot_request = 1 - shoot_request;
}

void Encoder::run() {
  encode();
}

void Encoder::start() {
  printf("GO!\n");
  if(!s) {
    s = new Socket(port);
    s->sconnect(ip);
    n = new Network(s);
  }
  record = 1;
}

void Encoder::stop() {
  printf("STOP!\n");
  if(s) {
    if(n) delete n;
    delete s;
    s = NULL;
    n = NULL;
  }
  record = 0;
}