/** * Copyright (c) 2002, 2003 Billy Biggs . * * 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 #else # include #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 (*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. */ void setup_speedy_calls( int verbose ); /** * Returns a bitfield of what accellerations are available. See mm_accel.h. */ int speedy_get_accel( void ); #ifdef __cplusplus }; #endif #endif /* SPEEDY_H_INCLUDED */