/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            mov_encoder_thread.cc
 *
 *  Tue May 17 16:00:01 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 1.5  2005/05/19 10:55:49  deva
 * Test for block encoding of length strlen("IPIPP").
 *
 * Revision 1.4  2005/05/17 19:16:26  deva
 * Made new mpeg writer work, with proper file permissions.
 *
 * Revision 1.3  2005/05/17 15:13:15  deva
 * *** empty log message ***
 *
 * Revision 1.2  2005/05/17 15:12:51  deva
 * Fixed file rights (All read on files and directories, and all execute on directories).
 *
 * Revision 1.1  2005/05/17 14:30:56  deva
 * Added code, preparing threaded encoding.
 */

#include <config.h>
#include "mov_encoder_thread.h"
#include <errno.h>
#include "miav_config.h"

MovEncoderThread::MovEncoderThread(const char *filename)
{
  file = open(filename, 
              O_CREAT | O_WRONLY, //| O_LARGEFILE
              S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
  if(file == -1) {
    fprintf(stderr, "Could not open file for writing: %s\n", strerror(errno));
    return;
  }
  threads = 4;

  for(int cnt = 0; cnt < threads; cnt++) {
    encs.push_back(new MovEncoder());
  }

  int current_encoder = 0;
  int current_frame = 0;

  int num_frames_in_block = config->readString("frame_sequence")->length();
  fprintf(stderr, "Frame sequence length [%d]\n", num_frames_in_block); fflush(stderr);
}

MovEncoderThread::~MovEncoderThread()
{
  for(int cnt = 0; cnt < threads; cnt++) {
    delete encs[cnt];
  }
  if(file != -1) close(file);
}

void MovEncoderThread::encode(Frame* frame)
{
  if(file == -1) return;

  Frame *enc_frame = encs[current_encoder]->encode(frame);
  //  fprintf(stderr, "[%d]", enc_frame->size); fflush(stderr);
  int i = write(file, enc_frame->data, enc_frame->size);
  if(i == -1) perror("Write failed");
  delete enc_frame;

  // Switch frame
  current_frame++;
  if(current_frame >= num_frames_in_block) {
    // Switch encoder
    current_frame = 0;
    current_encoder++;
    if(current_encoder >= threads) current_encoder = 0;
  }
}