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/**
* Copyright (c) 2002, 2003 Billy Biggs <vektor@dumbterm.net>.
*
* 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, 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.
*/
#ifndef SPEEDY_H_INCLUDED
#define SPEEDY_H_INCLUDED
#if defined (__SVR4) && defined (__sun)
# include <sys/int_types.h>
#else
# include <stdint.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* Speedy is a collection of optimized functions plus their C fallbacks.
* This includes a simple system to select which functions to use
* at runtime.
*
* The optimizations are done with the help of the mmx.h system, from
* libmpeg2 by Michel Lespinasse and Aaron Holtzman.
*/
/**
* This filter actually does not meet the spec so calling it rec601
* is a bit of a lie. I got the filter from Poynton's site.
*/
void packed422_to_packed444_rec601_scanline( uint8_t *dest, uint8_t *src, int width );
/* Struct for pulldown detection metrics. */
typedef struct pulldown_metrics_s {
/* difference: total, even lines, odd lines */
int d, e, o;
/* noise: temporal, spacial (current), spacial (past) */
int t, s, p;
} pulldown_metrics_t;
/**
* Here are the function pointers which will be initialized to point at the
* fastest available version of the above after a call to setup_speedy_calls().
*/
/**
* Interpolates a packed 4:2:2 scanline using linear interpolation.
*/
extern void (*interpolate_packed422_scanline)( uint8_t *output, uint8_t *top,
uint8_t *bot, int width );
/**
* Blits a colour to a packed 4:2:2 scanline.
*/
extern void (*blit_colour_packed422_scanline)( uint8_t *output,
int width, int y, int cb, int cr );
/**
* Blits a colour to a packed 4:4:4:4 scanline. I use luma/cb/cr instead of
* RGB but this will of course work for either.
*/
extern void (*blit_colour_packed4444_scanline)( uint8_t *output,
int width, int alpha, int luma,
int cb, int cr );
/**
* Scanline blitter for packed 4:2:2 scanlines. This implementation uses
* the fast memcpy code from xine which got it from mplayer.
*/
extern void (*blit_packed422_scanline)( uint8_t *dest, const uint8_t *src, int width );
/* Alpha provided is from 0-256 not 0-255. */
extern void (*composite_packed4444_to_packed422_scanline)( uint8_t *output,
uint8_t *input,
uint8_t *foreground,
int width );
extern void (*composite_packed4444_alpha_to_packed422_scanline)( uint8_t *output,
uint8_t *input,
uint8_t *foreground,
int width, int alpha );
extern void (*composite_alphamask_to_packed4444_scanline)( uint8_t *output,
uint8_t *input,
uint8_t *mask, int width,
int textluma, int textcb,
int textcr );
extern void (*composite_alphamask_alpha_to_packed4444_scanline)( uint8_t *output,
uint8_t *input,
uint8_t *mask, int width,
int textluma, int textcb,
int textcr, int alpha );
extern void (*premultiply_packed4444_scanline)( uint8_t *output, uint8_t *input, int width );
extern void (*blend_packed422_scanline)( uint8_t *output, uint8_t *src1,
uint8_t *src2, int width, int pos );
extern void (*filter_luma_121_packed422_inplace_scanline)( uint8_t *data, int width );
extern void (*filter_luma_14641_packed422_inplace_scanline)( uint8_t *data, int width );
extern unsigned int (*diff_factor_packed422_scanline)( uint8_t *cur, uint8_t *old, int width );
extern unsigned int (*comb_factor_packed422_scanline)( uint8_t *top, uint8_t *mid,
uint8_t *bot, int width );
extern void (*linearblend_chroma_packed422_scanline)( uint8_t *output, int width,
uint8_t *m, uint8_t *t, uint8_t *b);
extern void (*kill_chroma_packed422_inplace_scanline)( uint8_t *data, int width );
extern void (*mirror_packed422_inplace_scanline)( uint8_t *data, int width );
extern void (*halfmirror_packed422_inplace_scanline)( uint8_t *data, int width );
extern void *(*speedy_memcpy)( void *output, const void *input, size_t size );
extern void (*diff_packed422_block8x8)( pulldown_metrics_t *m, uint8_t *old,
uint8_t *new, int os, int ns );
extern void (*a8_subpix_blit_scanline)( uint8_t *output, uint8_t *input,
int lasta, int startpos, int width );
extern void (*quarter_blit_vertical_packed422_scanline)( uint8_t *output, uint8_t *one,
uint8_t *three, int width );
extern void (*subpix_blit_vertical_packed422_scanline)( uint8_t *output, uint8_t *top,
uint8_t *bot, int subpixpos, int width );
/**
* Sets up the function pointers to point at the fastest function
* available. Requires accelleration settings (see mm_accel.h).
*/
void setup_speedy_calls( uint32_t accel, int verbose );
/**
* Returns a bitfield of what accellerations were used when speedy was
* initialized. See mm_accel.h.
*/
uint32_t speedy_get_accel( void );
#ifdef __cplusplus
};
#endif
#endif /* SPEEDY_H_INCLUDED */
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