rtjpeg.h

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/*******************************************************************************
 RTjpeg.h

 libquicktime - A library for reading and writing quicktime/avi/mp4 files.
 http://libquicktime.sourceforge.net

 Copyright (C) 2002 Heroine Virtual Ltd.
 Copyright (C) 2002-2007 Members of the libquicktime project.

 RTjpeg:
 
 Copyright (C) Justin Schoeman 1998 <[e-mail]>

 With modifications by:
 
 Copyright (C) 1998, 1999 by Joerg Walter <[e-mail]>
 Copyright (C) 1999 by Wim Taymans <[e-mail]>

 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 this library; if not, write to the Free Software Foundation, Inc., 51
 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/ 

/*

 Added support for video, which is no multiple of 16.
 
 - Burkhard Plaum

*/

#include <inttypes.h>

#ifdef __RTJPEG_INTERNAL__

#ifdef MMX
#include "mmx.h"
#endif /* MMX */

typedef struct {
#if 1
	int16_t block[64] __attribute__ ((aligned (32)));
	int32_t ws[64*4] __attribute__ ((aligned (32)));
	int32_t lqt[64] __attribute__ ((aligned (32)));
	int32_t cqt[64] __attribute__ ((aligned (32)));
	int32_t liqt[64] __attribute__ ((aligned (32)));
	int32_t ciqt[64] __attribute__ ((aligned (32)));
#else
	int16_t block[64];
	int32_t ws[64*4];
	int32_t lqt[64];
	int32_t cqt[64];
	int32_t liqt[64];
	int32_t ciqt[64];
#endif
	int lb8;
	int cb8;
	int Ywidth;
	int Cwidth;
	int Ysize;
	int Csize;
	int16_t *old;
	int16_t *old_start;
	int key_count;

	int width;
	int height;
	int Q;
	int f;
#ifdef MMX
	mmx_t lmask;
	mmx_t cmask;
#else
	uint16_t lmask;
	uint16_t cmask;
#endif /* MMX */
	int key_rate;
} RTjpeg_t;

#else

typedef void RTjpeg_t;

#endif /* __RTJPEG_INTERNAL__ */

typedef struct {
	uint32_t framesize;
	uint8_t headersize;
	uint8_t version;
	uint16_t width;
	uint16_t height;
	uint8_t quality;
	uint8_t key;
	uint8_t data;
} __attribute__ ((packed)) RTjpeg_frameheader;

#define RTJ_YUV420 0
#define RTJ_YUV422 1
#define RTJ_RGB8 2

extern RTjpeg_t *RTjpeg_init();
extern void RTjpeg_close(RTjpeg_t *rtj);
extern int RTjpeg_set_quality(RTjpeg_t *rtj, int *quality);
extern int RTjpeg_set_format(RTjpeg_t *rtj, int *format);
extern int RTjpeg_set_size(RTjpeg_t *rtj, int *w, int *h);
extern int RTjpeg_set_intra(RTjpeg_t *rtj, int *key, int *lm, int *cm);

extern int RTjpeg_compress(RTjpeg_t *rtj, uint8_t *sp, uint8_t **planes);

// Not used externally 
// extern int RTjpeg_nullcompress(RTjpeg_t *rtj, int8_t *sp);
extern void RTjpeg_decompress(RTjpeg_t *rtj, uint8_t *sp, uint8_t **planes);

void RTjpeg_yuv420rgb32(RTjpeg_t *rtj, uint8_t **planes, uint8_t **rows);
void RTjpeg_yuv420bgr32(RTjpeg_t *rtj, uint8_t **planes, uint8_t **rows);
void RTjpeg_yuv420rgb24(RTjpeg_t *rtj, uint8_t **planes, uint8_t **rows);
void RTjpeg_yuv420bgr24(RTjpeg_t *rtj, uint8_t **planes, uint8_t **rows);
void RTjpeg_yuv420rgb16(RTjpeg_t *rtj, uint8_t **planes, uint8_t **rows);
void RTjpeg_yuv420rgb8(RTjpeg_t *rtj, uint8_t **planes, uint8_t **rows);

void RTjpeg_yuv422rgb24(RTjpeg_t *rtj, uint8_t **planes, uint8_t **rows);
#define RTjpeg_yuv422rgb8(x, y, z) RTjpeg_yuv420rgb8(x, y, z)

void RTjpeg_get_tables(RTjpeg_t *rtj, uint32_t *tables);
void RTjpeg_set_tables(RTjpeg_t *rtj, uint32_t *tables);

#define RTJPEG_FILE_VERSION 0
#define RTJPEG_HEADER_SIZE 12

#define RTjpeg_frame_framesize(sp) (((RTjpeg_frameheader *)(sp))->framesize)
#define RTjpeg_frame_headersize(sp) (((RTjpeg_frameheader *)(sp))->headersize)
#define RTjpeg_frame_version(sp) (((RTjpeg_frameheader *)(sp))->version)
#define RTjpeg_frame_width(sp) (((RTjpeg_frameheader *)(sp))->width)
#define RTjpeg_frame_height(sp) (((RTjpeg_frameheader *)(sp))->height)
#define RTjpeg_frame_quality(sp) (((RTjpeg_frameheader *)(sp))->quality)
#define RTjpeg_frame_key(sp) (((RTjpeg_frameheader *)(sp))->key)
#define RTjpeg_frame_data(sp) (&(((RTjpeg_frameheader *)(sp))->data))

#define RTJPEG_COMPAT_STREAM(sp) RTjpeg_frame_data(sp)
#define RTJPEG_COMPAT_LENGTH(sp) (RTjpeg_frame_framesize(sp) - RTjpeg_frame_headersize(sp))