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/*
* ColorConversions.h
* Created by Alexander Strange on 1/10/07.
*
* This file is part of Perian.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __COLORCONVERSIONS_H__
#define __COLORCONVERSIONS_H__
#include <Carbon/Carbon.h>
#include "libavcodec/avcodec.h"
#if defined(__i386__)
#define FASTCALL __attribute__((fastcall))
#else
#define FASTCALL
#endif
// Converts libavcodec pixel formats to QT displayable pixel formats
// All parameters except buffer pointers are fixed for each frame
typedef struct CCConverterContext {
// Input picture
int inLineSizes[4];
short width;
short height;
enum PixelFormat inPixFmt;
enum AVColorSpace inColorSpace;
enum AVColorRange inColorRange;
enum AVChromaLocation inChromaLocation;
// Output picture
int outLineSize;
// Parameters end here
enum PixelFormat outPixFmt;
void (^convert)(AVPicture *inPicture, uint8_t *outPicture) FASTCALL;
// Private
int type;
void *opaque;
} CCConverterContext;
enum PixelFormat CCOutputPixFmtForInput(enum PixelFormat inPixFmt);
void CCClearPicture(CCConverterContext *ctx, uint8_t *outPicture);
void CCOpenConverter(CCConverterContext *ctx);
void CCCloseConverter(CCConverterContext *ctx);
#endif
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