1 files changed, 89 insertions, 0 deletions
diff --git a/libswscale/x86/yuv2rgb_mmx.c b/libswscale/x86/yuv2rgb_mmx.c
new file mode 100644
index 0000000000..ced537fcce
--- /dev/null
+++ b/libswscale/x86/yuv2rgb_mmx.c
@@ -0,0 +1,89 @@
+/*
+ * software YUV to RGB converter
+ *
+ * Copyright (C) 2009 Konstantin Shishkov
+ *
+ * MMX/MMX2 template stuff (needed for fast movntq support),
+ * 1,4,8bpp support and context / deglobalize stuff
+ * by Michael Niedermayer (michaelni@gmx.at)
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#include "config.h"
+#include "libswscale/rgb2rgb.h"
+#include "libswscale/swscale.h"
+#include "libswscale/swscale_internal.h"
+#include "libavutil/x86_cpu.h"
+
+#define DITHER1XBPP // only for MMX
+
+/* hope these constant values are cache line aligned */
+DECLARE_ASM_CONST(8, uint64_t, mmx_00ffw)   = 0x00ff00ff00ff00ffULL;
+DECLARE_ASM_CONST(8, uint64_t, mmx_redmask) = 0xf8f8f8f8f8f8f8f8ULL;
+DECLARE_ASM_CONST(8, uint64_t, mmx_grnmask) = 0xfcfcfcfcfcfcfcfcULL;
+
+//MMX versions
+#undef RENAME
+#undef HAVE_MMX2
+#undef HAVE_AMD3DNOW
+#define HAVE_MMX2 0
+#define HAVE_AMD3DNOW 0
+#define RENAME(a) a ## _MMX
+#include "yuv2rgb_template.c"
+
+//MMX2 versions
+#undef RENAME
+#undef HAVE_MMX2
+#define HAVE_MMX2 1
+#define RENAME(a) a ## _MMX2
+#include "yuv2rgb_template.c"
+
+SwsFunc ff_yuv2rgb_init_mmx(SwsContext *c)
+{
+    if (c->flags & SWS_CPU_CAPS_MMX2) {
+        switch (c->dstFormat) {
+        case PIX_FMT_RGB32:
+            if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){
+                if (HAVE_7REGS) return yuva420_rgb32_MMX2;
+                break;
+            }else return yuv420_rgb32_MMX2;
+        case PIX_FMT_BGR24:  return yuv420_rgb24_MMX2;
+        case PIX_FMT_RGB565: return yuv420_rgb16_MMX2;
+        case PIX_FMT_RGB555: return yuv420_rgb15_MMX2;
+        }
+    }
+    if (c->flags & SWS_CPU_CAPS_MMX) {
+        switch (c->dstFormat) {
+        case PIX_FMT_RGB32:
+            if (CONFIG_SWSCALE_ALPHA && c->srcFormat == PIX_FMT_YUVA420P){
+                if (HAVE_7REGS) return yuva420_rgb32_MMX;
+                break;
+            }else return yuv420_rgb32_MMX;
+        case PIX_FMT_BGR24:  return yuv420_rgb24_MMX;
+        case PIX_FMT_RGB565: return yuv420_rgb16_MMX;
+        case PIX_FMT_RGB555: return yuv420_rgb15_MMX;
+        }
+    }
+
+    return NULL;
+}