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77bb615645
Original commit message from CVS: No "format" property in new RGB caps.
921 lines
30 KiB
C
921 lines
30 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <math.h>
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#include <stdlib.h>
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#include "yuv2rgb.h"
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/* #define HAVE_LIBMMX */
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#ifdef HAVE_LIBMMX
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#include <mmx.h>
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#endif
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#define CB_BASE 1
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#define CR_BASE (CB_BASE*CB_RANGE)
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#define LUM_BASE (CR_BASE*CR_RANGE)
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#define Min(x,y) (((x) < (y)) ? (x) : (y))
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#define Max(x,y) (((x) > (y)) ? (x) : (y))
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#define GAMMA_CORRECTION(x) ((int)(pow((x) / 255.0, 1.0 / gammaCorrect) * 255.0))
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#define CHROMA_CORRECTION256(x) ((x) >= 128 \
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? 128 + Min(127, (int)(((x) - 128.0) * chromaCorrect)) \
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: 128 - Min(128, (int)((128.0 - (x)) * chromaCorrect)))
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#define CHROMA_CORRECTION128(x) ((x) >= 0 \
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? Min(127, (int)(((x) * chromaCorrect))) \
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: Max(-128, (int)(((x) * chromaCorrect))))
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#define CHROMA_CORRECTION256D(x) ((x) >= 128 \
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? 128.0 + Min(127.0, (((x) - 128.0) * chromaCorrect)) \
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: 128.0 - Min(128.0, (((128.0 - (x)) * chromaCorrect))))
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#define CHROMA_CORRECTION128D(x) ((x) >= 0 \
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? Min(127.0, ((x) * chromaCorrect)) \
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: Max(-128.0, ((x) * chromaCorrect)))
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static void gst_colorspace_I420_to_rgb16 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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static void gst_colorspace_I420_to_rgb24 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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static void gst_colorspace_I420_to_rgb32 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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#ifdef HAVE_LIBMMX
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static void gst_colorspace_I420_to_bgr16_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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static void gst_colorspace_I420_to_bgr32_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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#endif
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static void gst_colorspace_YV12_to_rgb16 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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static void gst_colorspace_YV12_to_rgb24 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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static void gst_colorspace_YV12_to_rgb32 (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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#ifdef HAVE_LIBMMX
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static void gst_colorspace_YV12_to_bgr16_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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static void gst_colorspace_YV12_to_bgr32_mmx (GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest);
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#endif
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static void gst_colorspace_yuv_to_rgb16(GstColorSpaceYUVTables *tables,
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unsigned char *lum,
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unsigned char *cr,
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unsigned char *cb,
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unsigned char *out,
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int cols, int rows);
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static void gst_colorspace_yuv_to_rgb24(GstColorSpaceYUVTables *tables,
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unsigned char *lum,
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unsigned char *cr,
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unsigned char *cb,
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unsigned char *out,
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int cols, int rows);
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static void gst_colorspace_yuv_to_rgb32(GstColorSpaceYUVTables *tables,
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unsigned char *lum,
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unsigned char *cr,
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unsigned char *cb,
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unsigned char *out,
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int cols, int rows);
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#ifdef HAVE_LIBMMX
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static void gst_colorspace_yuv_to_bgr32_mmx(GstColorSpaceYUVTables *tables,
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unsigned char *lum,
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unsigned char *cr,
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unsigned char *cb,
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unsigned char *out,
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int cols, int rows);
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extern void gst_colorspace_yuv_to_bgr16_mmx(GstColorSpaceYUVTables *tables,
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unsigned char *lum,
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unsigned char *cr,
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unsigned char *cb,
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unsigned char *out,
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int cols, int rows);
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#endif
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static GstColorSpaceYUVTables * gst_colorspace_init_yuv(long depth,
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long red_mask, long green_mask, long blue_mask);
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GstColorSpaceConverter*
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gst_colorspace_yuv2rgb_get_converter (GstCaps *from, GstCaps *to)
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{
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guint32 from_space;
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GstColorSpaceConverter *new;
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gint to_bpp;
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GST_DEBUG ("gst_colorspace_yuv2rgb_get_converter");
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new = g_malloc (sizeof (GstColorSpaceConverter));
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gst_caps_get_int (from, "width", &new->width);
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gst_caps_get_int (from, "height", &new->height);
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new->color_tables = NULL;
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gst_caps_get_fourcc_int (from, "format", &from_space);
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gst_caps_get_int (to, "bpp", &to_bpp);
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/* FIXME we leak new here. */
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switch(from_space) {
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case GST_MAKE_FOURCC ('Y','V','1','2'):
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case GST_MAKE_FOURCC ('I','4','2','0'):
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{
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gint red_mask;
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gint green_mask;
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gint blue_mask;
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gst_caps_get_int (to, "red_mask", &red_mask);
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gst_caps_get_int (to, "green_mask", &green_mask);
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gst_caps_get_int (to, "blue_mask", &blue_mask);
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GST_INFO ( "red_mask %08x", red_mask);
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GST_INFO ( "green_mask %08x", green_mask);
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GST_INFO ( "blue_mask %08x", blue_mask);
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new->insize = new->width * new->height + new->width * new->height/2;
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new->color_tables = gst_colorspace_init_yuv (to_bpp, red_mask, green_mask, blue_mask);
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new->outsize = new->width * new->height * (to_bpp/8);
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switch(to_bpp) {
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case 32:
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#ifdef HAVE_LIBMMX
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if (red_mask == 0xff0000 && green_mask == 0x00ff00 && blue_mask == 0x0000ff &&
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(gst_cpu_get_flags () & GST_CPU_FLAG_MMX) ) {
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if (from_space == GST_STR_FOURCC ("I420"))
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new->convert = gst_colorspace_I420_to_bgr32_mmx;
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else
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new->convert = gst_colorspace_YV12_to_bgr32_mmx;
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}
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else
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#endif
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if (from_space == GST_STR_FOURCC ("I420"))
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new->convert = gst_colorspace_I420_to_rgb32;
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else
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new->convert = gst_colorspace_YV12_to_rgb32;
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break;
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case 24:
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if (from_space == GST_STR_FOURCC ("I420"))
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new->convert = gst_colorspace_I420_to_rgb24;
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else
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new->convert = gst_colorspace_YV12_to_rgb24;
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break;
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case 15:
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case 16:
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#ifdef HAVE_LIBMMX
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if (red_mask == 0xf800 && green_mask == 0x07e0 && blue_mask == 0x001f &&
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(gst_cpu_get_flags () & GST_CPU_FLAG_MMX) ) {
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if (from_space == GST_STR_FOURCC ("I420"))
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new->convert = gst_colorspace_I420_to_bgr16_mmx;
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else
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new->convert = gst_colorspace_YV12_to_bgr16_mmx;
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}
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else
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#endif
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if (from_space == GST_STR_FOURCC ("I420"))
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new->convert = gst_colorspace_I420_to_rgb16;
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else
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new->convert = gst_colorspace_YV12_to_rgb16;
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break;
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default:
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g_print("gst_colorspace_yuv2rgb not implemented\n");
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g_free (new);
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new = NULL;
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}
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break;
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}
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default:
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g_print("gst_colorspace_yuv2rgb not implemented\n");
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g_free (new);
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new = NULL;
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}
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return new;
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}
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void
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gst_colorspace_converter_destroy (GstColorSpaceConverter *conv)
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{
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if (conv)
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g_free (conv);
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}
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static void gst_colorspace_I420_to_rgb32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest)
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{
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int size;
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GST_DEBUG ("gst_colorspace_I420_to_rgb32");
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size = space->width * space->height;
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gst_colorspace_yuv_to_rgb32(space->color_tables,
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src, /* Y component */
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src+size, /* cr component */
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src+size+(size>>2), /* cb component */
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dest,
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space->height,
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space->width);
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}
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static void gst_colorspace_I420_to_rgb24(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_I420_to_rgb24");
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size = space->width * space->height;
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gst_colorspace_yuv_to_rgb24(space->color_tables,
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src, /* Y component */
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src+size, /* cr component */
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src+size+(size>>2), /* cb component */
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dest,
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space->height,
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space->width);
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}
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static void gst_colorspace_I420_to_rgb16(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_I420_to_rgb16");
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size = space->width * space->height;
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gst_colorspace_yuv_to_rgb16(space->color_tables,
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src, /* Y component */
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src+size, /* cr component */
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src+size+(size>>2), /* cb component */
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dest,
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space->height,
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space->width);
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}
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#ifdef HAVE_LIBMMX
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static void gst_colorspace_I420_to_bgr32_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_I420_to_rgb32_mmx");
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size = space->width * space->height;
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gst_colorspace_yuv_to_bgr32_mmx(NULL,
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src, /* Y component */
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src+size, /* cr component */
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src+size+(size>>2), /* cb component */
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dest,
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space->height,
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space->width);
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}
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static void gst_colorspace_I420_to_bgr16_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_I420_to_bgr16_mmx ");
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size = space->width * space->height;
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gst_colorspace_yuv_to_bgr16_mmx(NULL,
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src, /* Y component */
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src+size, /* cr component */
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src+size+(size>>2), /* cb component */
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dest,
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space->height,
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space->width);
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GST_DEBUG ("gst_colorspace_I420_to_bgr16_mmx done");
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}
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#endif
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static void gst_colorspace_YV12_to_rgb32(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest)
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{
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int size;
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GST_DEBUG ("gst_colorspace_YV12_to_rgb32");
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size = space->width * space->height;
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gst_colorspace_yuv_to_rgb32(space->color_tables,
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src, /* Y component */
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src+size+(size>>2), /* cb component */
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src+size, /* cr component */
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dest,
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space->height,
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space->width);
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}
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static void gst_colorspace_YV12_to_rgb24(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_YV12_to_rgb24");
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size = space->width * space->height;
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gst_colorspace_yuv_to_rgb24(space->color_tables,
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src, /* Y component */
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src+size+(size>>2), /* cb component */
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src+size, /* cr component */
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dest,
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space->height,
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space->width);
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}
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static void gst_colorspace_YV12_to_rgb16(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_YV12_to_rgb16");
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size = space->width * space->height;
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gst_colorspace_yuv_to_rgb16(space->color_tables,
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src, /* Y component */
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src+size+(size>>2), /* cb component */
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src+size, /* cr component */
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dest,
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space->height,
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space->width);
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}
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#ifdef HAVE_LIBMMX
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static void gst_colorspace_YV12_to_bgr32_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_YV12_to_rgb32_mmx");
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size = space->width * space->height;
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gst_colorspace_yuv_to_bgr32_mmx(NULL,
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src, /* Y component */
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src+size+(size>>2), /* cb component */
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src+size, /* cr component */
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dest,
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space->height,
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space->width);
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}
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static void gst_colorspace_YV12_to_bgr16_mmx(GstColorSpaceConverter *space, unsigned char *src, unsigned char *dest) {
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int size;
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GST_DEBUG ("gst_colorspace_YV12_to_bgr16_mmx ");
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size = space->width * space->height;
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gst_colorspace_yuv_to_bgr16_mmx(NULL,
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src, /* Y component */
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src+size+(size>>2), /* cb component */
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src+size, /* cr component */
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dest,
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space->height,
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space->width);
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GST_DEBUG ("gst_colorspace_YV12_to_bgr16_mmx done");
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}
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#endif
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/*
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* How many 1 bits are there in the longword.
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* Low performance, do not call often.
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*/
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static int
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number_of_bits_set(a)
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unsigned long a;
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{
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if(!a) return 0;
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if(a & 1) return 1 + number_of_bits_set(a >> 1);
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return(number_of_bits_set(a >> 1));
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}
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/*
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* How many 0 bits are there at most significant end of longword.
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* Low performance, do not call often.
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*/
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static int
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free_bits_at_top(a)
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unsigned long a;
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{
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/* assume char is 8 bits */
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if(!a) return sizeof(unsigned long) * 8;
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/* assume twos complement */
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if(((long)a) < 0l) return 0;
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return 1 + free_bits_at_top ( a << 1);
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}
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/*
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* How many 0 bits are there at least significant end of longword.
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* Low performance, do not call often.
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*/
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static int
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free_bits_at_bottom(a)
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unsigned long a;
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{
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/* assume char is 8 bits */
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if(!a) return sizeof(unsigned long) * 8;
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if(((long)a) & 1l) return 0;
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return 1 + free_bits_at_bottom ( a >> 1);
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}
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/*
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*--------------------------------------------------------------
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*
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* InitColor16Dither --
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*
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* To get rid of the multiply and other conversions in color
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* dither, we use a lookup table.
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*
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* Results:
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* None.
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*
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* Side effects:
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* The lookup tables are initialized.
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*
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*--------------------------------------------------------------
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*/
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static GstColorSpaceYUVTables *
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gst_colorspace_init_yuv(long depth, long red_mask, long green_mask, long blue_mask)
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{
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int CR, CB, i;
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int *L_tab, *Cr_r_tab, *Cr_g_tab, *Cb_g_tab, *Cb_b_tab;
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long *r_2_pix_alloc;
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long *g_2_pix_alloc;
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long *b_2_pix_alloc;
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GstColorSpaceYUVTables *tables = g_malloc(sizeof(GstColorSpaceYUVTables));
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L_tab = tables->L_tab = (int *)malloc(256*sizeof(int));
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Cr_r_tab = tables->Cr_r_tab = (int *)malloc(256*sizeof(int));
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Cr_g_tab = tables->Cr_g_tab = (int *)malloc(256*sizeof(int));
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Cb_g_tab = tables->Cb_g_tab = (int *)malloc(256*sizeof(int));
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Cb_b_tab = tables->Cb_b_tab = (int *)malloc(256*sizeof(int));
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r_2_pix_alloc = (long *)malloc(768*sizeof(long));
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g_2_pix_alloc = (long *)malloc(768*sizeof(long));
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b_2_pix_alloc = (long *)malloc(768*sizeof(long));
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if (L_tab == NULL ||
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Cr_r_tab == NULL ||
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Cr_g_tab == NULL ||
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Cb_g_tab == NULL ||
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Cb_b_tab == NULL ||
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r_2_pix_alloc == NULL ||
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g_2_pix_alloc == NULL ||
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b_2_pix_alloc == NULL) {
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fprintf(stderr, "Could not get enough memory in InitColorDither\n");
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exit(1);
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}
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for (i=0; i<256; i++) {
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L_tab[i] = i;
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/*
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if (gammaCorrectFlag) {
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L_tab[i] = GAMMA_CORRECTION(i);
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}
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*/
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CB = CR = i;
|
|
/*
|
|
if (chromaCorrectFlag) {
|
|
CB -= 128;
|
|
CB = CHROMA_CORRECTION128(CB);
|
|
CR -= 128;
|
|
CR = CHROMA_CORRECTION128(CR);
|
|
}
|
|
else
|
|
*/
|
|
{
|
|
CB -= 128; CR -= 128;
|
|
}
|
|
Cr_r_tab[i] = (0.419/0.299) * CR;
|
|
Cr_g_tab[i] = -(0.299/0.419) * CR;
|
|
Cb_g_tab[i] = -(0.114/0.331) * CB;
|
|
Cb_b_tab[i] = (0.587/0.331) * CB;
|
|
|
|
}
|
|
|
|
/*
|
|
* Set up entries 0-255 in rgb-to-pixel value tables.
|
|
*/
|
|
for (i = 0; i < 256; i++) {
|
|
r_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(red_mask));
|
|
r_2_pix_alloc[i + 256] <<= free_bits_at_bottom(red_mask);
|
|
g_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(green_mask));
|
|
g_2_pix_alloc[i + 256] <<= free_bits_at_bottom(green_mask);
|
|
b_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(blue_mask));
|
|
b_2_pix_alloc[i + 256] <<= free_bits_at_bottom(blue_mask);
|
|
/*
|
|
* If we have 16-bit output depth, then we double the value
|
|
* in the top word. This means that we can write out both
|
|
* pixels in the pixel doubling mode with one op. It is
|
|
* harmless in the normal case as storing a 32-bit value
|
|
* through a short pointer will lose the top bits anyway.
|
|
* A similar optimisation for Alpha for 64 bit has been
|
|
* prepared for, but is not yet implemented.
|
|
*/
|
|
if(!(depth == 32) && !(depth == 24)) {
|
|
|
|
r_2_pix_alloc[i + 256] |= (r_2_pix_alloc[i + 256]) << 16;
|
|
g_2_pix_alloc[i + 256] |= (g_2_pix_alloc[i + 256]) << 16;
|
|
b_2_pix_alloc[i + 256] |= (b_2_pix_alloc[i + 256]) << 16;
|
|
|
|
}
|
|
#ifdef SIXTYFOUR_BIT
|
|
if(depth == 32) {
|
|
|
|
r_2_pix_alloc[i + 256] |= (r_2_pix_alloc[i + 256]) << 32;
|
|
g_2_pix_alloc[i + 256] |= (g_2_pix_alloc[i + 256]) << 32;
|
|
b_2_pix_alloc[i + 256] |= (b_2_pix_alloc[i + 256]) << 32;
|
|
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Spread out the values we have to the rest of the array so that
|
|
* we do not need to check for overflow.
|
|
*/
|
|
for (i = 0; i < 256; i++) {
|
|
r_2_pix_alloc[i] = r_2_pix_alloc[256];
|
|
r_2_pix_alloc[i+ 512] = r_2_pix_alloc[511];
|
|
g_2_pix_alloc[i] = g_2_pix_alloc[256];
|
|
g_2_pix_alloc[i+ 512] = g_2_pix_alloc[511];
|
|
b_2_pix_alloc[i] = b_2_pix_alloc[256];
|
|
b_2_pix_alloc[i+ 512] = b_2_pix_alloc[511];
|
|
}
|
|
|
|
tables->r_2_pix = r_2_pix_alloc + 256;
|
|
tables->g_2_pix = g_2_pix_alloc + 256;
|
|
tables->b_2_pix = b_2_pix_alloc + 256;
|
|
|
|
return tables;
|
|
|
|
}
|
|
|
|
/*
|
|
*--------------------------------------------------------------
|
|
*
|
|
* Color16DitherImage --
|
|
*
|
|
* Converts image into 16 bit color.
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* None.
|
|
*
|
|
*--------------------------------------------------------------
|
|
*/
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_rgb16(tables, lum, cb, cr, out, rows, cols)
|
|
GstColorSpaceYUVTables *tables;
|
|
unsigned char *lum;
|
|
unsigned char *cr;
|
|
unsigned char *cb;
|
|
unsigned char *out;
|
|
int cols, rows;
|
|
|
|
{
|
|
int L, CR, CB;
|
|
unsigned short *row1, *row2;
|
|
unsigned char *lum2;
|
|
int x, y;
|
|
int cr_r;
|
|
int crb_g;
|
|
int cb_b;
|
|
int cols_2 = cols>>1;
|
|
|
|
row1 = (unsigned short *)out;
|
|
row2 = row1 + cols;
|
|
lum2 = lum + cols;
|
|
|
|
for (y=rows>>1; y; y--) {
|
|
for (x=cols_2; x; x--) {
|
|
|
|
CR = *cr++;
|
|
CB = *cb++;
|
|
cr_r = tables->Cr_r_tab[CR];
|
|
crb_g = tables->Cr_g_tab[CR] + tables->Cb_g_tab[CB];
|
|
cb_b = tables->Cb_b_tab[CB];
|
|
|
|
L = tables->L_tab[(int) *lum++];
|
|
|
|
*row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
|
|
L = tables->L_tab[(int) *lum++];
|
|
|
|
*row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
|
|
/*
|
|
* Now, do second row.
|
|
*/
|
|
L = tables->L_tab[(int) *lum2++];
|
|
|
|
*row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
|
|
L = tables->L_tab[(int) *lum2++];
|
|
|
|
*row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
}
|
|
/*
|
|
* These values are at the start of the next line, (due
|
|
* to the ++'s above),but they need to be at the start
|
|
* of the line after that.
|
|
*/
|
|
lum = lum2;
|
|
row1 = row2;
|
|
lum2 += cols;
|
|
row2 += cols;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_rgb24(tables, lum, cb, cr, out, rows, cols)
|
|
GstColorSpaceYUVTables *tables;
|
|
unsigned char *lum;
|
|
unsigned char *cr;
|
|
unsigned char *cb;
|
|
unsigned char *out;
|
|
int cols, rows;
|
|
|
|
{
|
|
int L, CR, CB;
|
|
unsigned char *row1, *row2;
|
|
unsigned char *lum2;
|
|
int x, y;
|
|
int cr_r;
|
|
int crb_g;
|
|
int cb_b;
|
|
int cols_2 = cols>>1;
|
|
int cols_3 = cols*3;
|
|
unsigned char pixels[4];
|
|
|
|
row1 = out;
|
|
row2 = row1 + cols_3;
|
|
lum2 = lum + cols;
|
|
for (y=rows>>1; y; y--) {
|
|
for (x=cols_2; x; x--) {
|
|
|
|
CR = *cr++;
|
|
CB = *cb++;
|
|
cr_r = tables->Cr_r_tab[CR];
|
|
crb_g = tables->Cr_g_tab[CR] + tables->Cb_g_tab[CB];
|
|
cb_b = tables->Cb_b_tab[CB];
|
|
|
|
L = tables->L_tab[(int) *lum++];
|
|
|
|
((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
*row1++ = pixels[0]; *row1++ = pixels[1]; *row1++ = pixels[2];
|
|
|
|
L = tables->L_tab[(int) *lum++];
|
|
|
|
((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
*row1++ = pixels[0]; *row1++ = pixels[1]; *row1++ = pixels[2];
|
|
|
|
/*
|
|
* Now, do second row.
|
|
*/
|
|
|
|
L = tables->L_tab [(int) *lum2++];
|
|
|
|
((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
*row2++ = pixels[0]; *row2++ = pixels[1]; *row2++ = pixels[2];
|
|
|
|
L = tables->L_tab [(int) *lum2++];
|
|
|
|
((int *)pixels)[0] = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
*row2++ = pixels[0]; *row2++ = pixels[1]; *row2++ = pixels[2];
|
|
}
|
|
lum = lum2;
|
|
row1 = row2;
|
|
lum2 += cols;
|
|
row2 += cols_3;
|
|
}
|
|
}
|
|
|
|
/*
|
|
*--------------------------------------------------------------
|
|
*
|
|
* Color32DitherImage --
|
|
*
|
|
* Converts image into 32 bit color (or 24-bit non-packed).
|
|
*
|
|
* Results:
|
|
* None.
|
|
*
|
|
* Side effects:
|
|
* None.
|
|
*
|
|
*--------------------------------------------------------------
|
|
*/
|
|
|
|
/*
|
|
* This is a copysoft version of the function above with ints instead
|
|
* of shorts to cause a 4-byte pixel size
|
|
*/
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_rgb32(tables, lum, cb, cr, out, rows, cols)
|
|
GstColorSpaceYUVTables *tables;
|
|
unsigned char *lum;
|
|
unsigned char *cr;
|
|
unsigned char *cb;
|
|
unsigned char *out;
|
|
int cols, rows;
|
|
|
|
{
|
|
int L, CR, CB;
|
|
unsigned int *row1, *row2;
|
|
unsigned char *lum2;
|
|
int x, y;
|
|
int cr_r;
|
|
int crb_g;
|
|
int cb_b;
|
|
int cols_2 = cols>>1;
|
|
|
|
row1 = (guint32 *)out;
|
|
row2 = row1 + cols;
|
|
lum2 = lum + cols;
|
|
for (y=rows>>1; y; y--) {
|
|
for (x=cols_2; x; x--) {
|
|
|
|
CR = *cr++;
|
|
CB = *cb++;
|
|
cr_r = tables->Cr_r_tab[CR];
|
|
crb_g = tables->Cr_g_tab[CR] + tables->Cb_g_tab[CB];
|
|
cb_b = tables->Cb_b_tab[CB];
|
|
|
|
L = tables->L_tab[(int) *lum++];
|
|
|
|
*row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
|
|
L = tables->L_tab[(int) *lum++];
|
|
|
|
*row1++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
|
|
/*
|
|
* Now, do second row.
|
|
*/
|
|
|
|
L = tables->L_tab [(int) *lum2++];
|
|
|
|
*row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
|
|
L = tables->L_tab [(int) *lum2++];
|
|
|
|
*row2++ = (tables->r_2_pix[L+cr_r] | tables->g_2_pix[L+crb_g] | tables->b_2_pix[L+cb_b]);
|
|
}
|
|
lum = lum2;
|
|
row1 = row2;
|
|
lum2 += cols;
|
|
row2 += cols;
|
|
}
|
|
}
|
|
|
|
#ifdef HAVE_LIBMMX
|
|
static mmx_t MMX_80w = (mmx_t)(long long)0x0080008000800080LL; /*dd 00080 0080h, 000800080h */
|
|
|
|
static mmx_t MMX_00FFw = (mmx_t)(long long)0x00ff00ff00ff00ffLL; /*dd 000FF 00FFh, 000FF00FFh */
|
|
static mmx_t MMX_FF00w = (mmx_t)(long long)0xff00ff00ff00ff00LL; /*dd 000FF 00FFh, 000FF00FFh */
|
|
|
|
static mmx_t MMX32_Vredcoeff = (mmx_t)(long long)0x0059005900590059LL;
|
|
static mmx_t MMX32_Ubluecoeff = (mmx_t)(long long)0x0072007200720072LL;
|
|
static mmx_t MMX32_Ugrncoeff = (mmx_t)(long long)0xffeaffeaffeaffeaLL;
|
|
static mmx_t MMX32_Vgrncoeff = (mmx_t)(long long)0xffd2ffd2ffd2ffd2LL;
|
|
|
|
static void
|
|
gst_colorspace_yuv_to_bgr32_mmx(tables, lum, cr, cb, out, rows, cols)
|
|
GstColorSpaceYUVTables *tables;
|
|
unsigned char *lum;
|
|
unsigned char *cr;
|
|
unsigned char *cb;
|
|
unsigned char *out;
|
|
int cols, rows;
|
|
|
|
{
|
|
guint32 *row1 = (guint32 *)out; /* 32 bit target */
|
|
int cols4 = cols>>2;
|
|
|
|
int y, x;
|
|
|
|
for (y=rows>>1; y; y--) {
|
|
for (x=cols4; x; x--) {
|
|
|
|
/* create Cr (result in mm1) */
|
|
movd_m2r(*(mmx_t *)cb, mm1); /* 0 0 0 0 v3 v2 v1 v0 */
|
|
pxor_r2r(mm7, mm7); /* 00 00 00 00 00 00 00 00 */
|
|
movd_m2r(*(mmx_t *)lum, mm2); /* 0 0 0 0 l3 l2 l1 l0 */
|
|
punpcklbw_r2r(mm7, mm1); /* 0 v3 0 v2 00 v1 00 v0 */
|
|
punpckldq_r2r(mm1, mm1); /* 00 v1 00 v0 00 v1 00 v0 */
|
|
psubw_m2r(MMX_80w, mm1); /* mm1-128:r1 r1 r0 r0 r1 r1 r0 r0 */
|
|
|
|
/* create Cr_g (result in mm0) */
|
|
movq_r2r(mm1, mm0); /* r1 r1 r0 r0 r1 r1 r0 r0 */
|
|
pmullw_m2r(MMX32_Vgrncoeff, mm0); /* red*-46dec=0.7136*64 */
|
|
pmullw_m2r(MMX32_Vredcoeff, mm1); /* red*89dec=1.4013*64 */
|
|
psraw_i2r(6, mm0); /* red=red/64 */
|
|
psraw_i2r(6, mm1); /* red=red/64 */
|
|
|
|
/* create L1 L2 (result in mm2,mm4) */
|
|
/* L2=lum+cols */
|
|
movq_m2r(*(mmx_t *)(lum+cols),mm3); /* 0 0 0 0 L3 L2 L1 L0 */
|
|
punpckldq_r2r(mm3, mm2); /* L3 L2 L1 L0 l3 l2 l1 l0 */
|
|
movq_r2r(mm2, mm4); /* L3 L2 L1 L0 l3 l2 l1 l0 */
|
|
pand_m2r(MMX_FF00w, mm2); /* L3 0 L1 0 l3 0 l1 0 */
|
|
pand_m2r(MMX_00FFw, mm4); /* 0 L2 0 L0 0 l2 0 l0 */
|
|
psrlw_i2r(8, mm2); /* 0 L3 0 L1 0 l3 0 l1 */
|
|
|
|
/* create R (result in mm6) */
|
|
movq_r2r(mm2, mm5); /* 0 L3 0 L1 0 l3 0 l1 */
|
|
movq_r2r(mm4, mm6); /* 0 L2 0 L0 0 l2 0 l0 */
|
|
paddsw_r2r(mm1, mm5); /* lum1+red:x R3 x R1 x r3 x r1 */
|
|
paddsw_r2r(mm1, mm6); /* lum1+red:x R2 x R0 x r2 x r0 */
|
|
packuswb_r2r(mm5, mm5); /* R3 R1 r3 r1 R3 R1 r3 r1 */
|
|
packuswb_r2r(mm6, mm6); /* R2 R0 r2 r0 R2 R0 r2 r0 */
|
|
pxor_r2r(mm7, mm7); /* 00 00 00 00 00 00 00 00 */
|
|
punpcklbw_r2r(mm5, mm6); /* R3 R2 R1 R0 r3 r2 r1 r0 */
|
|
|
|
/* create Cb (result in mm1) */
|
|
movd_m2r(*(mmx_t *)cr, mm1); /* 0 0 0 0 u3 u2 u1 u0 */
|
|
punpcklbw_r2r(mm7, mm1); /* 0 u3 0 u2 00 u1 00 u0 */
|
|
punpckldq_r2r(mm1, mm1); /* 00 u1 00 u0 00 u1 00 u0 */
|
|
psubw_m2r(MMX_80w, mm1); /* mm1-128:u1 u1 u0 u0 u1 u1 u0 u0 */
|
|
/* create Cb_g (result in mm5) */
|
|
movq_r2r(mm1, mm5); /* u1 u1 u0 u0 u1 u1 u0 u0 */
|
|
pmullw_m2r(MMX32_Ugrncoeff, mm5); /* blue*-109dec=1.7129*64 */
|
|
pmullw_m2r(MMX32_Ubluecoeff, mm1); /* blue*114dec=1.78125*64 */
|
|
psraw_i2r(6, mm5); /* blue=red/64 */
|
|
psraw_i2r(6, mm1); /* blue=blue/64 */
|
|
|
|
/* create G (result in mm7) */
|
|
movq_r2r(mm2, mm3); /* 0 L3 0 L1 0 l3 0 l1 */
|
|
movq_r2r(mm4, mm7); /* 0 L2 0 L0 0 l2 0 l1 */
|
|
paddsw_r2r(mm5, mm3); /* lum1+Cb_g:x G3t x G1t x g3t x g1t */
|
|
paddsw_r2r(mm5, mm7); /* lum1+Cb_g:x G2t x G0t x g2t x g0t */
|
|
paddsw_r2r(mm0, mm3); /* lum1+Cr_g:x G3 x G1 x g3 x g1 */
|
|
paddsw_r2r(mm0, mm7); /* lum1+blue:x G2 x G0 x g2 x g0 */
|
|
packuswb_r2r(mm3, mm3); /* G3 G1 g3 g1 G3 G1 g3 g1 */
|
|
packuswb_r2r(mm7, mm7); /* G2 G0 g2 g0 G2 G0 g2 g0 */
|
|
punpcklbw_r2r(mm3, mm7); /* G3 G2 G1 G0 g3 g2 g1 g0 */
|
|
|
|
/* create B (result in mm5) */
|
|
movq_r2r(mm2, mm3); /* 0 L3 0 L1 0 l3 0 l1 */
|
|
movq_r2r(mm4, mm5); /* 0 L2 0 L0 0 l2 0 l1 */
|
|
paddsw_r2r(mm1, mm3); /* lum1+blue:x B3 x B1 x b3 x b1 */
|
|
paddsw_r2r(mm1, mm5); /* lum1+blue:x B2 x B0 x b2 x b0 */
|
|
packuswb_r2r(mm3, mm3); /* B3 B1 b3 b1 B3 B1 b3 b1 */
|
|
packuswb_r2r(mm5, mm5); /* B2 B0 b2 b0 B2 B0 b2 b0 */
|
|
punpcklbw_r2r(mm3, mm5); /* B3 B2 B1 B0 b3 b2 b1 b0 */
|
|
|
|
/* fill destination row1 (needed are mm6=Rr,mm7=Gg,mm5=Bb) */
|
|
|
|
pxor_r2r(mm2, mm2); /* 0 0 0 0 0 0 0 0 */
|
|
pxor_r2r(mm4, mm4); /* 0 0 0 0 0 0 0 0 */
|
|
movq_r2r(mm6, mm1); /* R3 R2 R1 R0 r3 r2 r1 r0 */
|
|
movq_r2r(mm5, mm3); /* B3 B2 B1 B0 b3 b2 b1 b0 */
|
|
/* process lower lum */
|
|
punpcklbw_r2r(mm4, mm1); /* 0 r3 0 r2 0 r1 0 r0 */
|
|
punpcklbw_r2r(mm4, mm3); /* 0 b3 0 b2 0 b1 0 b0 */
|
|
movq_r2r(mm1, mm2); /* 0 r3 0 r2 0 r1 0 r0 */
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movq_r2r(mm3, mm0); /* 0 b3 0 b2 0 b1 0 b0 */
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punpcklwd_r2r(mm1, mm3); /* 0 r1 0 b1 0 r0 0 b0 */
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punpckhwd_r2r(mm2, mm0); /* 0 r3 0 b3 0 r2 0 b2 */
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pxor_r2r(mm2, mm2); /* 0 0 0 0 0 0 0 0 */
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movq_r2r(mm7, mm1); /* G3 G2 G1 G0 g3 g2 g1 g0 */
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punpcklbw_r2r(mm1, mm2); /* g3 0 g2 0 g1 0 g0 0 */
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punpcklwd_r2r(mm4, mm2); /* 0 0 g1 0 0 0 g0 0 */
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por_r2r(mm3, mm2); /* 0 r1 g1 b1 0 r0 g0 b0 */
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movq_r2m(mm2, *(mmx_t *)row1); /* wrote out ! row1 */
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pxor_r2r(mm2, mm2); /* 0 0 0 0 0 0 0 0 */
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punpcklbw_r2r(mm1, mm4); /* g3 0 g2 0 g1 0 g0 0 */
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punpckhwd_r2r(mm2, mm4); /* 0 0 g3 0 0 0 g2 0 */
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por_r2r(mm0, mm4); /* 0 r3 g3 b3 0 r2 g2 b2 */
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movq_r2m(mm4, *(mmx_t *)(row1+2)); /* wrote out ! row1 */
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/* fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb) */
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/* this can be done "destructive" */
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pxor_r2r(mm2, mm2); /* 0 0 0 0 0 0 0 0 */
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punpckhbw_r2r(mm2, mm6); /* 0 R3 0 R2 0 R1 0 R0 */
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punpckhbw_r2r(mm1, mm5); /* G3 B3 G2 B2 G1 B1 G0 B0 */
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movq_r2r(mm5, mm1); /* G3 B3 G2 B2 G1 B1 G0 B0 */
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punpcklwd_r2r(mm6, mm1); /* 0 R1 G1 B1 0 R0 G0 B0 */
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movq_r2m(mm1, *(mmx_t *)(row1+cols)); /* wrote out ! row2 */
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punpckhwd_r2r(mm6, mm5); /* 0 R3 G3 B3 0 R2 G2 B2 */
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movq_r2m(mm5, *(mmx_t *)(row1+cols+2)); /* wrote out ! row2 */
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lum+=4;
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cr+=2;
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cb+=2;
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row1 +=4;
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}
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lum += cols;
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row1 += cols;
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}
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emms();
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}
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#endif
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