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Diffstat (limited to 'gst/deinterlace2/tvtime/speedy.h')
| -rw-r--r-- | gst/deinterlace2/tvtime/speedy.h | 308 |
1 files changed, 0 insertions, 308 deletions
diff --git a/gst/deinterlace2/tvtime/speedy.h b/gst/deinterlace2/tvtime/speedy.h deleted file mode 100644 index 37293bba..00000000 --- a/gst/deinterlace2/tvtime/speedy.h +++ /dev/null @@ -1,308 +0,0 @@ -/* - * - * GStreamer - * Copyright (C) 2004 Billy Biggs <vektor@dumbterm.net> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the - * Free Software Foundation, Inc., 59 Temple Place - Suite 330, - * Boston, MA 02111-1307, USA. - */ - -/* - * Relicensed for GStreamer from GPL to LGPL with permit from Billy Biggs. - * See: http://bugzilla.gnome.org/show_bug.cgi?id=163578 - */ - -#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. - * - * The library is a collection of function pointers which must be first - * initialized by setup_speedy_calls() to point at the fastest available - * implementation of each function. - */ - -/* - * 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; - -/* - * 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 ); - -/* - * Blit from and to packed 4:2:2 scanline. - */ -extern void (*blit_packed422_scanline)( uint8_t *dest, const uint8_t *src, int width ); - -/* - * Composites a premultiplied 4:4:4:4 pixel onto a packed 4:2:2 scanline. - */ -extern void (*composite_colour4444_alpha_to_packed422_scanline)( uint8_t *output, uint8_t *input, - int af, int y, int cb, int cr, - int width, int alpha ); - -/* - * Composites a packed 4:4:4:4 scanline onto a packed 4:2:2 scanline. - * Chroma is downsampled by dropping samples (nearest neighbour). - */ -extern void (*composite_packed4444_to_packed422_scanline)( uint8_t *output, - uint8_t *input, - uint8_t *foreground, - int width ); - -/* - * Composites a packed 4:4:4:4 scanline onto a packed 4:2:2 scanline. - * Chroma is downsampled by dropping samples (nearest neighbour). The - * alpha value provided is in the range 0-256 and is first applied to - * the input (for fadeouts). - */ -extern void (*composite_packed4444_alpha_to_packed422_scanline)( uint8_t *output, - uint8_t *input, - uint8_t *foreground, - int width, int alpha ); - -/* - * Takes an alphamask and the given colour (in Y'CbCr) and composites it - * onto a packed 4:4:4:4 scanline. - */ -extern void (*composite_alphamask_to_packed4444_scanline)( uint8_t *output, - uint8_t *input, - uint8_t *mask, int width, - int textluma, int textcb, - int textcr ); - -/* - * Takes an alphamask and the given colour (in Y'CbCr) and composites it - * onto a packed 4:4:4:4 scanline. The alpha value provided is in the - * range 0-256 and is first applied to the input (for fadeouts). - */ -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 ); - -/* - * Premultiplies the colour by the alpha channel in a packed 4:4:4:4 - * scanline. - */ -extern void (*premultiply_packed4444_scanline)( uint8_t *output, uint8_t *input, int width ); - -/* - * Blend between two packed 4:2:2 scanline. Pos is the fade value in - * the range 0-256. A value of 0 gives 100% src1, and a value of 256 - * gives 100% src2. Anything in between gives the appropriate faded - * version. - */ -extern void (*blend_packed422_scanline)( uint8_t *output, uint8_t *src1, - uint8_t *src2, int width, int pos ); - -/* - * Calculates the 'difference factor' for two scanlines. This is a - * metric where higher values indicate that the two scanlines are more - * different. - */ -extern unsigned int (*diff_factor_packed422_scanline)( uint8_t *cur, uint8_t *old, int width ); - -/* - * Calculates the 'comb factor' for a set of three scanlines. This is a - * metric where higher values indicate a more likely chance that the two - * fields are at separate points in time. - */ -extern unsigned int (*comb_factor_packed422_scanline)( uint8_t *top, uint8_t *mid, - uint8_t *bot, int width ); - -/* - * Vertical [1 2 1] chroma filter. - */ -extern void (*vfilter_chroma_121_packed422_scanline)( uint8_t *output, int width, - uint8_t *m, uint8_t *t, uint8_t *b ); - -/* - * Vertical [3 3 2] chroma filter. - */ -extern void (*vfilter_chroma_332_packed422_scanline)( uint8_t *output, int width, - uint8_t *m, uint8_t *t, uint8_t *b ); - -/* - * Sets the chroma of the scanline to neutral (128) in-place. - */ -extern void (*kill_chroma_packed422_inplace_scanline)( uint8_t *data, int width ); - -/* - * Mirrors the scanline in-place. - */ -extern void (*mirror_packed422_inplace_scanline)( uint8_t *data, int width ); - -/* - * Inverts the colours on a scanline in-place. - */ -extern void (*invert_colour_packed422_inplace_scanline)( uint8_t *data, int width ); - -/* - * Fast memcpy function, used by all of the blit functions. Won't blit - * anything if dest == src. - */ -extern void (*speedy_memcpy)( void *output, const void *input, size_t size ); - -/* - * Calculates the block difference metrics for dalias' pulldown - * detection algorithm. - */ -extern void (*diff_packed422_block8x8)( pulldown_metrics_t *m, uint8_t *old, - uint8_t *new, int os, int ns ); - -/* - * Takes an alpha mask and subpixelly blits it using linear - * interpolation. - */ -extern void (*a8_subpix_blit_scanline)( uint8_t *output, uint8_t *input, - int lasta, int startpos, int width ); - -/* - * 1/4 vertical subpixel blit for packed 4:2:2 scanlines using linear - * interpolation. - */ -extern void (*quarter_blit_vertical_packed422_scanline)( uint8_t *output, uint8_t *one, - uint8_t *three, int width ); - -/* - * Vertical subpixel blit for packed 4:2:2 scanlines using linear - * interpolation. - */ -extern void (*subpix_blit_vertical_packed422_scanline)( uint8_t *output, uint8_t *top, - uint8_t *bot, int subpixpos, int width ); - -/* - * Simple function to convert a 4:4:4 scanline to a 4:4:4:4 scanline by - * adding an alpha channel. Result is non-premultiplied. - */ -extern void (*packed444_to_nonpremultiplied_packed4444_scanline)( uint8_t *output, - uint8_t *input, - int width, int alpha ); - -/* - * I think this function needs to be rethought and renamed, but here - * it is for now. This function horizontally resamples a scanline - * using linear interpolation to compensate for a change in pixel - * aspect ratio. - */ -extern void (*aspect_adjust_packed4444_scanline)( uint8_t *output, - uint8_t *input, - int width, - double pixel_aspect ); - -/* - * Convert a packed 4:4:4 surface to a packed 4:2:2 surface using - * nearest neighbour chroma downsampling. - */ -extern void (*packed444_to_packed422_scanline)( uint8_t *output, - uint8_t *input, - int width ); - -/* - * Converts packed 4:2:2 to packed 4:4:4 scanlines using nearest - * neighbour chroma upsampling. - */ -extern void (*packed422_to_packed444_scanline)( uint8_t *output, - uint8_t *input, - int width ); - -/* - * 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. This - * converts a scanline from packed 4:2:2 to packed 4:4:4. But this - * function should point at some high quality to-the-spec resampler. - */ -extern void (*packed422_to_packed444_rec601_scanline)( uint8_t *dest, - uint8_t *src, - int width ); - -/* - * Conversions between Y'CbCr and R'G'B'. We use Rec.601 numbers - * since our source is broadcast video, but I think there is an - * argument to be made for switching to Rec.709. - */ -extern void (*packed444_to_rgb24_rec601_scanline)( uint8_t *output, - uint8_t *input, - int width ); -extern void (*rgb24_to_packed444_rec601_scanline)( uint8_t *output, - uint8_t *input, - int width ); -extern void (*rgba32_to_packed4444_rec601_scanline)( uint8_t *output, - uint8_t *input, - int width ); - -/* - * Convert from 4:2:2 with UYVY ordering to 4:2:2 with YUYV ordering. - */ -extern void (*convert_uyvy_to_yuyv_scanline)( uint8_t *uyvy_buf, - uint8_t *yuyv_buf, 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 */ |