mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-22 17:51:16 +00:00
2a4bfc0fc8
Original commit message from CVS: A simple video scaler as a library and an Element. Also a little non working mpeg2 to mpeg1 converter (still struggling with the quantisation).
1058 lines
34 KiB
C
1058 lines
34 KiB
C
/* Gnome-Streamer
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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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//#define DEBUG_ENABLED
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#include <gst/gst.h>
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#include <gstcolorspace.h>
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#ifdef HAVE_LIBMMX
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#include "mmx.h"
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#endif
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#include "yuv2rgb.h"
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static GstBuffer *gst_colorspace_yuv420P_to_rgb32(GstBuffer *src, GstColorSpaceParameters *params);
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static GstBuffer *gst_colorspace_yuv420P_to_bgr32(GstBuffer *src, GstColorSpaceParameters *params);
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static GstBuffer *gst_colorspace_yuv420P_to_bgr32_mmx(GstBuffer *src, GstColorSpaceParameters *params);
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static GstBuffer *gst_colorspace_yuv420P_to_rgb24(GstBuffer *src, GstColorSpaceParameters *params);
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static GstBuffer *gst_colorspace_yuv420P_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params);
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static GstBuffer *gst_colorspace_yuv420P_to_rgb16(GstBuffer *src, GstColorSpaceParameters *params);
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static GstBuffer *gst_colorspace_yuv420P_to_bgr16_mmx(GstBuffer *src, GstColorSpaceParameters *params);
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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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static 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 gst_colorspace_yuv2rgb_get_converter(GstColorSpace src, GstColorSpace dest) {
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DEBUG("gst_colorspace_yuv2rgb_get_converter %d\n", dest);
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switch(src) {
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case GST_COLORSPACE_YUV420P:
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switch(dest) {
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case GST_COLORSPACE_BGR32:
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//return gst_colorspace_yuv420P_to_bgr32;
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return gst_colorspace_yuv420P_to_bgr32_mmx;
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case GST_COLORSPACE_RGB32:
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return gst_colorspace_yuv420P_to_rgb32;
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case GST_COLORSPACE_RGB24:
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return gst_colorspace_yuv420P_to_rgb24;
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case GST_COLORSPACE_BGR24:
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return gst_colorspace_yuv420P_to_bgr24;
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case GST_COLORSPACE_RGB555:
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case GST_COLORSPACE_RGB565:
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case GST_COLORSPACE_BGR555:
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return gst_colorspace_yuv420P_to_rgb16;
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case GST_COLORSPACE_BGR565:
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return gst_colorspace_yuv420P_to_bgr16_mmx;
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default:
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break;
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}
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break;
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default:
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break;
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}
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g_print("gst_colorspace_yuv2rgb not implemented\n");
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return NULL;
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}
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static GstBuffer *gst_colorspace_yuv420P_to_bgr32(GstBuffer *src, GstColorSpaceParameters *params) {
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static GstColorSpaceYUVTables *color_tables = NULL;
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int size;
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GstBuffer *buf = NULL;
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guchar *out;
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DEBUG("gst_colorspace_yuv420P_to_bgr32\n");
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g_return_val_if_fail(params != NULL, NULL);
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if (color_tables == NULL) {
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color_tables = gst_colorspace_init_yuv(32, 0xFF0000, 0x00FF00, 0x0000FF);
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}
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size = params->width * params->height;
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if (params->outbuf == NULL) {
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buf = gst_buffer_new();
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out = GST_BUFFER_DATA(buf) = g_malloc(size * 4);
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GST_BUFFER_SIZE(buf) = size * 4;
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}
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else out = params->outbuf;
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gst_colorspace_yuv_to_rgb32(color_tables,
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GST_BUFFER_DATA(src), // Y component
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GST_BUFFER_DATA(src)+size, // cr component
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GST_BUFFER_DATA(src)+size+(size>>2), // cb component
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out,
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params->height,
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params->width);
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if (buf) {
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gst_buffer_unref(src);
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return buf;
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}
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else return src;
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}
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static GstBuffer *gst_colorspace_yuv420P_to_rgb32(GstBuffer *src, GstColorSpaceParameters *params) {
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static GstColorSpaceYUVTables *color_tables = NULL;
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int size;
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GstBuffer *buf = NULL;
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guchar *out;
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DEBUG("gst_colorspace_yuv420P_to_rgb32\n");
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g_return_val_if_fail(params != NULL, NULL);
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if (color_tables == NULL) {
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color_tables = gst_colorspace_init_yuv(32, 0x0000FF, 0x00FF00, 0xFF0000);
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}
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size = params->width * params->height;
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if (params->outbuf == NULL) {
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buf = gst_buffer_new();
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out = GST_BUFFER_DATA(buf) = g_malloc(size * 4);
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GST_BUFFER_SIZE(buf) = size * 4;
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}
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else out = params->outbuf;
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gst_colorspace_yuv_to_rgb32(color_tables,
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GST_BUFFER_DATA(src), // Y component
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GST_BUFFER_DATA(src)+size, // cr component
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GST_BUFFER_DATA(src)+size+(size>>2), // cb component
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out,
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params->height,
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params->width);
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if (buf) {
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gst_buffer_unref(src);
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return buf;
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}
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else return src;
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}
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static GstBuffer *gst_colorspace_yuv420P_to_bgr24(GstBuffer *src, GstColorSpaceParameters *params) {
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static GstColorSpaceYUVTables *color_tables = NULL;
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int size;
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GstBuffer *buf = NULL;
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guchar *out;
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DEBUG("gst_colorspace_yuv420P_to_bgr24\n");
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g_return_val_if_fail(params != NULL, NULL);
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if (color_tables == NULL) {
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color_tables = gst_colorspace_init_yuv(24, 0xFF0000, 0x00FF00, 0x0000FF);
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}
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size = params->width * params->height;
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if (params->outbuf == NULL) {
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buf = gst_buffer_new();
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out = GST_BUFFER_DATA(buf) = g_malloc(size * 3);
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GST_BUFFER_SIZE(buf) = size * 3;
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}
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else out = params->outbuf;
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gst_colorspace_yuv_to_rgb24(color_tables,
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GST_BUFFER_DATA(src), // Y component
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GST_BUFFER_DATA(src)+size, // cr component
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GST_BUFFER_DATA(src)+size+(size>>2), // cb component
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out,
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params->height,
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params->width);
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if (buf) {
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gst_buffer_unref(src);
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return buf;
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}
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else return src;
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}
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static GstBuffer *gst_colorspace_yuv420P_to_rgb24(GstBuffer *src, GstColorSpaceParameters *params) {
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static GstColorSpaceYUVTables *color_tables = NULL;
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int size;
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GstBuffer *buf = NULL;
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guchar *out;
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DEBUG("gst_colorspace_yuv420P_to_rgb24\n");
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g_return_val_if_fail(params != NULL, NULL);
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if (color_tables == NULL) {
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color_tables = gst_colorspace_init_yuv(24, 0x0000FF, 0x00FF00, 0xFF0000);
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}
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size = params->width * params->height;
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if (params->outbuf == NULL) {
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buf = gst_buffer_new();
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out = GST_BUFFER_DATA(buf) = g_malloc(size * 3);
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GST_BUFFER_SIZE(buf) = size * 3;
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}
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else out = params->outbuf;
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gst_colorspace_yuv_to_rgb24(color_tables,
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GST_BUFFER_DATA(src), // Y component
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GST_BUFFER_DATA(src)+size, // cr component
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GST_BUFFER_DATA(src)+size+(size>>2), // cb component
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out,
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params->height,
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params->width);
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if (buf) {
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gst_buffer_unref(src);
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return buf;
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}
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else return src;
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}
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static GstBuffer *gst_colorspace_yuv420P_to_rgb16(GstBuffer *src, GstColorSpaceParameters *params) {
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static GstColorSpaceYUVTables *color_tables = NULL;
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int size;
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DEBUG("gst_colorspace_yuv420P_to_rgb16\n");
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g_return_val_if_fail(params != NULL, NULL);
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g_return_val_if_fail(params->visual != NULL, NULL);
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if (color_tables == NULL) {
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color_tables = gst_colorspace_init_yuv(16, params->visual->red_mask, params->visual->green_mask, params->visual->blue_mask);
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}
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size = params->width * params->height;
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gst_colorspace_yuv_to_rgb16(color_tables,
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GST_BUFFER_DATA(src), // Y component
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GST_BUFFER_DATA(src)+size, // cr component
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GST_BUFFER_DATA(src)+size+(size>>2), // cb component
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params->outbuf,
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params->height,
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params->width);
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return src;
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}
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#ifdef HAVE_LIBMMX
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static mmx_t MMX16_redmask = (mmx_t)(long long)0xf800f800f800f800LL; //dd 07c00 7c00h, 07c007c00h
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static mmx_t MMX16_grnmask = (mmx_t)(long long)0x07e007e007e007e0LL; //dd 003e0 03e0h, 003e003e0h
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static GstBuffer *gst_colorspace_yuv420P_to_bgr32_mmx(GstBuffer *src, GstColorSpaceParameters *params) {
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int size;
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GstBuffer *buf = NULL;
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guchar *out;
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DEBUG("gst_colorspace_yuv420P_to_rgb32_mmx\n");
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g_return_val_if_fail(params != NULL, NULL);
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size = params->width * params->height;
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if (params->outbuf == NULL) {
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buf = gst_buffer_new();
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out = GST_BUFFER_DATA(buf) = g_malloc(size * 4);
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GST_BUFFER_SIZE(buf) = size * 4;
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}
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else out = params->outbuf;
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gst_colorspace_yuv_to_bgr32_mmx(NULL,
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GST_BUFFER_DATA(src), // Y component
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GST_BUFFER_DATA(src)+size, // cr component
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GST_BUFFER_DATA(src)+size+(size>>2), // cb component
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out,
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params->height,
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params->width);
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if (buf) {
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gst_buffer_unref(src);
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return buf;
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}
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else return src;
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}
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static GstBuffer *gst_colorspace_yuv420P_to_bgr16_mmx(GstBuffer *src, GstColorSpaceParameters *params) {
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int size;
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DEBUG("gst_colorspace_yuv420P_to_bgr16_mmx \n");
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g_return_val_if_fail(params != NULL, NULL);
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size = params->width * params->height;
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gst_colorspace_yuv_to_bgr16_mmx(NULL,
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GST_BUFFER_DATA(src), // Y component
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GST_BUFFER_DATA(src)+size, // cr component
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GST_BUFFER_DATA(src)+size+(size>>2), // cb component
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params->outbuf,
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params->height,
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params->width);
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return src;
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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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* Shift the 0s in the least significant end out of the longword.
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* Low performance, do not call often.
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*/
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static unsigned long
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shifted_down(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 a;
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return 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;
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/*
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if (chromaCorrectFlag) {
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CB -= 128;
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CB = CHROMA_CORRECTION128(CB);
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CR -= 128;
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CR = CHROMA_CORRECTION128(CR);
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}
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else
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*/
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{
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CB -= 128; CR -= 128;
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}
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Cr_r_tab[i] = (0.419/0.299) * CR;
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Cr_g_tab[i] = -(0.299/0.419) * CR;
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Cb_g_tab[i] = -(0.114/0.331) * CB;
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Cb_b_tab[i] = (0.587/0.331) * CB;
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}
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/*
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* Set up entries 0-255 in rgb-to-pixel value tables.
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*/
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for (i = 0; i < 256; i++) {
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r_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(red_mask));
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r_2_pix_alloc[i + 256] <<= free_bits_at_bottom(red_mask);
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g_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(green_mask));
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g_2_pix_alloc[i + 256] <<= free_bits_at_bottom(green_mask);
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b_2_pix_alloc[i + 256] = i >> (8 - number_of_bits_set(blue_mask));
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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, cr, cb, 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, cr, cb, 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, cr, cb, 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 MMX16_Vredcoeff = (mmx_t)(long long)0x0066006600660066LL; //dd 00066 0066h, 000660066h
|
|
static mmx_t MMX16_Ublucoeff = (mmx_t)(long long)0x0081008100810081LL; //dd 00081 0081h, 000810081h
|
|
static mmx_t MMX16_Ugrncoeff = (mmx_t)(long long)0xffe8ffe8ffe8ffe8LL; //dd 0FFE7 FFE7h, 0FFE7FFE7h
|
|
static mmx_t MMX16_Vgrncoeff = (mmx_t)(long long)0xffcdffcdffcdffcdLL; //dd 0FFCC FFCCh, 0FFCCFFCCh
|
|
|
|
static mmx_t MMX16_Ycoeff = (mmx_t)(long long)0x004a004a004a004aLL; //dd 0004A 004Ah, 0004A004Ah
|
|
|
|
|
|
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_bgr16_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;
|
|
|
|
{
|
|
unsigned short *row1 = (unsigned short* )out; // 32 bit target
|
|
int cols8 = cols>>3;
|
|
|
|
int y, x;
|
|
|
|
for (y=rows>>1; y; y--) {
|
|
for (x=cols8; x; x--) {
|
|
|
|
movd_m2r(*(mmx_t *)cb, mm0); // 4 Cb 0 0 0 0 u3 u2 u1 u0
|
|
pxor_r2r(mm7, mm7);
|
|
movd_m2r(*(mmx_t *)cr, mm1); // 4 Cr 0 0 0 0 v3 v2 v1 v0
|
|
punpcklbw_r2r(mm7, mm0); // 4 W cb 0 u3 0 u2 0 u1 0 u0
|
|
punpcklbw_r2r(mm7, mm1); // 4 W cr 0 v3 0 v2 0 v1 0 v0
|
|
psubw_m2r(MMX_80w, mm0);
|
|
psubw_m2r(MMX_80w, mm1);
|
|
movq_r2r(mm0, mm2); // Cb 0 u3 0 u2 0 u1 0 u0
|
|
movq_r2r(mm1, mm3); // Cr
|
|
pmullw_m2r(MMX16_Ugrncoeff, mm2); // Cb2green 0 R3 0 R2 0 R1 0 R0
|
|
movq_m2r(*(mmx_t *)lum, mm6); // L1 l7 L6 L5 L4 L3 L2 L1 L0
|
|
pmullw_m2r(MMX16_Ublucoeff, mm0); // Cb2blue
|
|
pand_m2r(MMX_00FFw, mm6); // L1 00 L6 00 L4 00 L2 00 L0
|
|
pmullw_m2r(MMX16_Vgrncoeff, mm3); // Cr2green
|
|
movq_m2r(*(mmx_t *)lum, mm7); // L2
|
|
pmullw_m2r(MMX16_Vredcoeff, mm1); // Cr2red
|
|
// "psubw MMX_10w, %%mm6\n"
|
|
psrlw_i2r(8, mm7); // L2 00 L7 00 L5 00 L3 00 L1
|
|
pmullw_m2r(MMX16_Ycoeff, mm6); // lum1
|
|
// "psubw MMX_10w, %%mm7\n" // L2
|
|
paddw_r2r(mm3, mm2); // Cb2green + Cr2green == green
|
|
pmullw_m2r(MMX16_Ycoeff, mm7); // lum2
|
|
|
|
movq_r2r(mm6, mm4); // lum1
|
|
paddw_r2r(mm0, mm6); // lum1 +blue 00 B6 00 B4 00 B2 00 B0
|
|
movq_r2r(mm4, mm5); // lum1
|
|
paddw_r2r(mm1, mm4); // lum1 +red 00 R6 00 R4 00 R2 00 R0
|
|
paddw_r2r(mm2, mm5); // lum1 +green 00 G6 00 G4 00 G2 00 G0
|
|
psraw_i2r(6, mm4); // R1 0 .. 64
|
|
movq_r2r(mm7, mm3); // lum2 00 L7 00 L5 00 L3 00 L1
|
|
psraw_i2r(6, mm5); // G1 - .. +
|
|
paddw_r2r(mm0, mm7); // Lum2 +blue 00 B7 00 B5 00 B3 00 B1
|
|
psraw_i2r(6, mm6); // B1 0 .. 64
|
|
packuswb_r2r(mm4, mm4); // R1 R1
|
|
packuswb_r2r(mm5, mm5); // G1 G1
|
|
packuswb_r2r(mm6, mm6); // B1 B1
|
|
punpcklbw_r2r(mm4, mm4);
|
|
punpcklbw_r2r(mm5, mm5);
|
|
|
|
pand_m2r(MMX16_redmask, mm4);
|
|
psllw_i2r(3, mm5); // GREEN 1
|
|
punpcklbw_r2r(mm6, mm6);
|
|
pand_m2r(MMX16_grnmask, mm5);
|
|
pand_m2r(MMX16_redmask, mm6);
|
|
por_r2r(mm5, mm4); //
|
|
psrlw_i2r(11, mm6); // BLUE 1
|
|
movq_r2r(mm3, mm5); // lum2
|
|
paddw_r2r(mm1, mm3); // lum2 +red 00 R7 00 R5 00 R3 00 R1
|
|
paddw_r2r(mm2, mm5); // lum2 +green 00 G7 00 G5 00 G3 00 G1
|
|
psraw_i2r(6, mm3); // R2
|
|
por_r2r(mm6, mm4); // MM4
|
|
psraw_i2r(6, mm5); // G2
|
|
movq_m2r(*(mmx_t *)(lum+cols), mm6); // L3 load lum2
|
|
psraw_i2r(6, mm7);
|
|
packuswb_r2r(mm3, mm3);
|
|
packuswb_r2r(mm5, mm5);
|
|
packuswb_r2r(mm7, mm7);
|
|
pand_m2r(MMX_00FFw, mm6); // L3
|
|
punpcklbw_r2r(mm3, mm3);
|
|
// "psubw MMX_10w, %%mm6\n" // L3
|
|
punpcklbw_r2r(mm5, mm5);
|
|
pmullw_m2r(MMX16_Ycoeff, mm6); // lum3
|
|
punpcklbw_r2r(mm7, mm7);
|
|
psllw_i2r(3, mm5); // GREEN 2
|
|
pand_m2r(MMX16_redmask, mm7);
|
|
pand_m2r(MMX16_redmask, mm3);
|
|
psrlw_i2r(11, mm7); // BLUE 2
|
|
pand_m2r(MMX16_grnmask, mm5);
|
|
por_r2r(mm7, mm3);
|
|
movq_m2r(*(mmx_t *)(lum+cols), mm7); // L4 load lum2
|
|
por_r2r(mm5, mm3); //
|
|
psrlw_i2r(8, mm7); // L4
|
|
movq_r2r(mm4, mm5);
|
|
// "psubw MMX_10w, %%mm7\n" // L4
|
|
punpcklwd_r2r(mm3, mm4);
|
|
pmullw_m2r(MMX16_Ycoeff, mm7); // lum4
|
|
punpckhwd_r2r(mm3, mm5);
|
|
|
|
movq_r2m(mm4, *(row1)); // write row1
|
|
movq_r2m(mm5, *(row1+4)); // write row1
|
|
|
|
movq_r2r(mm6, mm4); // Lum3
|
|
paddw_r2r(mm0, mm6); // Lum3 +blue
|
|
|
|
movq_r2r(mm4, mm5); // Lum3
|
|
paddw_r2r(mm1, mm4); // Lum3 +red
|
|
paddw_r2r(mm2, mm5); // Lum3 +green
|
|
psraw_i2r(6, mm4);
|
|
movq_r2r(mm7, mm3); // Lum4
|
|
psraw_i2r(6, mm5);
|
|
paddw_r2r(mm0, mm7); // Lum4 +blue
|
|
psraw_i2r(6, mm6); // Lum3 +blue
|
|
movq_r2r(mm3, mm0); // Lum4
|
|
packuswb_r2r(mm4, mm4);
|
|
paddw_r2r(mm1, mm3); // Lum4 +red
|
|
packuswb_r2r(mm5, mm5);
|
|
paddw_r2r(mm2, mm0); // Lum4 +green
|
|
packuswb_r2r(mm6, mm6);
|
|
punpcklbw_r2r(mm4, mm4);
|
|
punpcklbw_r2r(mm5, mm5);
|
|
punpcklbw_r2r(mm6, mm6);
|
|
psllw_i2r(3, mm5); // GREEN 3
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pand_m2r(MMX16_redmask, mm4);
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psraw_i2r(6, mm3); // psr 6
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psraw_i2r(6, mm0);
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pand_m2r(MMX16_redmask, mm6); // BLUE
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pand_m2r(MMX16_grnmask, mm5);
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psrlw_i2r(11, mm6); // BLUE 3
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por_r2r(mm5, mm4);
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psraw_i2r(6, mm7);
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por_r2r(mm6, mm4);
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packuswb_r2r(mm3, mm3);
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packuswb_r2r(mm0, mm0);
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packuswb_r2r(mm7, mm7);
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punpcklbw_r2r(mm3, mm3);
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punpcklbw_r2r(mm0, mm0);
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punpcklbw_r2r(mm7, mm7);
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pand_m2r(MMX16_redmask, mm3);
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pand_m2r(MMX16_redmask, mm7); // BLUE
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psllw_i2r(3, mm0); // GREEN 4
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psrlw_i2r(11, mm7);
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pand_m2r(MMX16_grnmask, mm0);
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por_r2r(mm7, mm3);
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por_r2r(mm0, mm3);
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movq_r2r(mm4, mm5);
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punpcklwd_r2r(mm3, mm4);
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punpckhwd_r2r(mm3, mm5);
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movq_r2m(mm4, *(row1+cols));
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movq_r2m(mm5, *(row1+cols+4));
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lum+=8;
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cr+=4;
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cb+=4;
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row1 +=8;
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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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static void
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gst_colorspace_yuv_to_bgr32_mmx(tables, lum, cr, cb, out, rows, cols)
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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, rows;
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{
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guint32 *row1 = (guint32 *)out; // 32 bit target
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int cols4 = cols>>2;
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|
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int y, x;
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for (y=rows>>1; y; y--) {
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for (x=cols4; x; x--) {
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// create Cr (result in mm1)
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movd_m2r(*(mmx_t *)cr, mm1); // 0 0 0 0 v3 v2 v1 v0
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pxor_r2r(mm7, mm7); // 00 00 00 00 00 00 00 00
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movd_m2r(*(mmx_t *)lum, mm2); // 0 0 0 0 l3 l2 l1 l0
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punpcklbw_r2r(mm7, mm1); // 0 v3 0 v2 00 v1 00 v0
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punpckldq_r2r(mm1, mm1); // 00 v1 00 v0 00 v1 00 v0
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psubw_m2r(MMX_80w, mm1); // mm1-128:r1 r1 r0 r0 r1 r1 r0 r0
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|
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|
// create Cr_g (result in mm0)
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movq_r2r(mm1, mm0); // r1 r1 r0 r0 r1 r1 r0 r0
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pmullw_m2r(MMX32_Vgrncoeff, mm0); // red*-46dec=0.7136*64
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pmullw_m2r(MMX32_Vredcoeff, mm1); // red*89dec=1.4013*64
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psraw_i2r(6, mm0); // red=red/64
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psraw_i2r(6, mm1); // red=red/64
|
|
|
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// create L1 L2 (result in mm2,mm4)
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// L2=lum+cols
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movq_m2r(*(mmx_t *)(lum+cols),mm3); // 0 0 0 0 L3 L2 L1 L0
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punpckldq_r2r(mm3, mm2); // L3 L2 L1 L0 l3 l2 l1 l0
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movq_r2r(mm2, mm4); // L3 L2 L1 L0 l3 l2 l1 l0
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pand_m2r(MMX_FF00w, mm2); // L3 0 L1 0 l3 0 l1 0
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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 *)cb, 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
|
|
movq_r2r(mm3, mm0); // 0 b3 0 b2 0 b1 0 b0
|
|
punpcklwd_r2r(mm1, mm3); // 0 r1 0 b1 0 r0 0 b0
|
|
punpckhwd_r2r(mm2, mm0); // 0 r3 0 b3 0 r2 0 b2
|
|
|
|
pxor_r2r(mm2, mm2); // 0 0 0 0 0 0 0 0
|
|
movq_r2r(mm7, mm1); // G3 G2 G1 G0 g3 g2 g1 g0
|
|
punpcklbw_r2r(mm1, mm2); // g3 0 g2 0 g1 0 g0 0
|
|
punpcklwd_r2r(mm4, mm2); // 0 0 g1 0 0 0 g0 0
|
|
por_r2r(mm3, mm2); // 0 r1 g1 b1 0 r0 g0 b0
|
|
movq_r2m(mm2, *(mmx_t *)row1); // wrote out ! row1
|
|
|
|
pxor_r2r(mm2, mm2); // 0 0 0 0 0 0 0 0
|
|
punpcklbw_r2r(mm1, mm4); // g3 0 g2 0 g1 0 g0 0
|
|
punpckhwd_r2r(mm2, mm4); // 0 0 g3 0 0 0 g2 0
|
|
por_r2r(mm0, mm4); // 0 r3 g3 b3 0 r2 g2 b2
|
|
movq_r2m(mm4, *(mmx_t *)(row1+2)); // wrote out ! row1
|
|
|
|
// fill destination row2 (needed are mm6=Rr,mm7=Gg,mm5=Bb)
|
|
// this can be done "destructive"
|
|
pxor_r2r(mm2, mm2); // 0 0 0 0 0 0 0 0
|
|
punpckhbw_r2r(mm2, mm6); // 0 R3 0 R2 0 R1 0 R0
|
|
punpckhbw_r2r(mm1, mm5); // G3 B3 G2 B2 G1 B1 G0 B0
|
|
movq_r2r(mm5, mm1); // G3 B3 G2 B2 G1 B1 G0 B0
|
|
punpcklwd_r2r(mm6, mm1); // 0 R1 G1 B1 0 R0 G0 B0
|
|
movq_r2m(mm1, *(mmx_t *)(row1+cols)); // wrote out ! row2
|
|
punpckhwd_r2r(mm6, mm5); // 0 R3 G3 B3 0 R2 G2 B2
|
|
movq_r2m(mm5, *(mmx_t *)(row1+cols+2)); // wrote out ! row2
|
|
|
|
lum+=4;
|
|
cr+=2;
|
|
cb+=2;
|
|
row1 +=4;
|
|
}
|
|
lum += cols;
|
|
row1 += cols;
|
|
}
|
|
|
|
emms();
|
|
|
|
}
|
|
#endif
|
|
|