yuvcorrect_functions.c

Motion JPEG编解码器源代码

/*
  *  yuvcorrect_functions.c
  *  Common functions between yuvcorrect and yuvcorrect_tune
  *  Copyright (C) 2002 Xavier Biquard <[e-mail]>
  * 
  *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

// *************************************************************************************

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <math.h>
#include <signal.h>
#include "yuv4mpeg.h"
#include "yuvcorrect.h"

// For pointer adress alignement
const uint16_t ALIGNEMENT = 16 ;   // 16 bytes alignement for mmx registers in SIMD instructions for Pentium

const float PI = 3.141592654;

const char *legal_opt_flags = "I:F:M:T:Y:R:v:h";
const char LUMINANCE[] = "LUMINANCE_";
const char CHROMINANCE[] = "CHROMINANCE_";
const char Y[] = "Y_";
const char UV[] = "UV_";
const char CONFORM[] = "CONFORM";
const char R[] = "R_";
const char G[] = "G_";
const char B[] = "B_";

// Possible capacity over or under flow for the RGB to YUV conversion and vice-versa
const uint16_t OFFSET = 256;

// *************************************************************************************
void
handle_args_yuv_rgb (int argc, char *argv[], yuv_correction_t * yuv_correct, rgb_correction_t * rgb_correct)
{
  // This function handles argument passing on the command line
  int c;
  unsigned int ui1, ui2, ui3, ui4;
  int k_yuv, k_rgb;
  float f1, f2, f3;

  // Ne pas oublier de mettre la putain de ligne qui suit, sinon, plus d'argument