/*
* Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
+ * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* Boston, MA 02111-1307, USA.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
#include <gst/gst.h>
+#ifdef HAVE_GCC_ASM
+#if defined(HAVE_CPU_I386) || defined(HAVE_CPU_X86_64)
+#define BUILD_X86_ASM
+#endif
+#endif
+
#define BLEND_NORMAL(Y1,U1,V1,Y2,U2,V2,alpha,Y,U,V) \
Y = ((Y1*(255-alpha))+(Y2*alpha))>>8; \
U = ((U1*(255-alpha))+(U2*alpha))>>8; \
#undef BLEND_MODE
+#ifdef BUILD_X86_ASM
+void
+gst_videomixer_blend_ayuv_ayuv_mmx (guint8 * src, gint xpos, gint ypos,
+ gint src_width, gint src_height, gdouble src_alpha,
+ guint8 * dest, gint dest_width, gint dest_height)
+{
+ gint b_alpha;
+ gint i;
+ gint src_stride, dest_stride;
+ gint src_add, dest_add;
+
+ src_stride = src_width * 4;
+ dest_stride = dest_width * 4;
+
+ b_alpha = (gint) (src_alpha * 255);
+
+ /* adjust src pointers for negative sizes */
+ if (xpos < 0) {
+ src += -xpos * 4;
+ src_width -= -xpos;
+ xpos = 0;
+ }
+ if (ypos < 0) {
+ src += -ypos * src_stride;
+ src_height -= -ypos;
+ ypos = 0;
+ }
+ /* adjust width/height if the src is bigger than dest */
+ if (xpos + src_width > dest_width) {
+ src_width = dest_width - xpos;
+ }
+ if (ypos + src_height > dest_height) {
+ src_height = dest_height - ypos;
+ }
+
+ src_add = src_stride - (4 * src_width);
+ dest_add = dest_stride - (4 * src_width);
+
+ dest = dest + 4 * xpos + (ypos * dest_stride);
+
+ for (i = 0; i < src_height; i++) {
+ /* *INDENT-OFF* */
+ __asm__ __volatile__ (
+ "pxor %%mm7 , %%mm7 \n\t" /* mm7 = 0 */
+ "pcmpeqd %%mm6 , %%mm6 \n\t" /* mm6 = 0xffff... */
+ "punpcklbw %%mm7 , %%mm6 \n\t" /* mm6 = 0x00ff00ff00ff... */
+ "pcmpeqd %%mm5 , %%mm5 \n\t" /* mm5 = 0xffff... */
+ "psrlq $56 , %%mm5 \n\t" /* mm5 = 0x0...0ff */
+ "xor %%ecx , %%ecx \n\t" /* ecx = 0 */
+ "1: \n\t"
+ "movzxb (%0) , %%eax \n\t" /* eax == source alpha */
+ "imul %2 , %%eax \n\t" /* eax = source alpha * alpha */
+ "sar $8 , %%eax \n\t" /* eax = (source alpha * alpha) / 256 */
+ "movd %%eax , %%mm0 \n\t" /* mm0 = apply alpha */
+ "movd (%0) , %%mm2 \n\t" /* mm2 = src */
+ "movd (%1) , %%mm1 \n\t" /* mm1 = dest */
+ "punpcklwd %%mm0 , %%mm0 \n\t"
+ "punpckldq %%mm0 , %%mm0 \n\t" /* mm0 == 0a 0a 0a 0a */
+ "punpcklbw %%mm7 , %%mm1 \n\t" /* mm1 == dv du dy da */
+ "punpcklbw %%mm7 , %%mm2 \n\t" /* mm2 == sv su sy sa */
+ "pmullw %%mm0 , %%mm2 \n\t" /* mm2 == a * s */
+ "pandn %%mm6 , %%mm0 \n\t" /* mm0 == 255 - a */
+ "pmullw %%mm0 , %%mm1 \n\t" /* mm1 == (255 - a) * d */
+ "paddusw %%mm2 , %%mm1 \n\t" /* mm1 == s + d */
+ "psrlw $8 , %%mm1 \n\t"
+ "packuswb %%mm7 , %%mm1 \n\t"
+ "por %%mm5 , %%mm1 \n\t" /* mm1 = 0x.....ff */
+ "movd %%mm1 , (%1) \n\t" /* dest = mm1 */
+ "add $4 , %1 \n\t"
+ "add $4 , %0 \n\t"
+ "add $1 , %%ecx \n\t"
+ "cmp %%ecx , %3 \n\t"
+ "jne 1b"
+ : /* no output */
+ :"r" (src), "r" (dest), "r" (b_alpha), "r" (src_width)
+ :"%eax", "%ecx", "memory"
+#ifdef __MMX__
+ , "mm0", "mm1", "mm2", "mm5", "mm6", "mm7"
+#endif
+ );
+ /* *INDENT-ON* */
+ src += src_add;
+ dest += dest_add;
+ }
+ __asm__ __volatile__ ("emms");
+}
+#endif
/* fill a buffer with a checkerboard pattern */
void
}
}
}
+
+#ifdef BUILD_X86_ASM
+void
+gst_videomixer_fill_ayuv_color_mmx (guint8 * dest, gint width, gint height,
+ gint colY, gint colU, gint colV)
+{
+ guint64 val;
+ guint nvals = width * height;
+
+ val = (((guint64) 0xff)) | (((guint64) colY) << 8) |
+ (((guint64) colU) << 16) | (((guint64) colV) << 24);
+ val = (val << 32) | val;
+
+ /* *INDENT-OFF* */
+ __asm__ __volatile__ (
+ "cmp $2 , %2 \n\t"
+ "jb 2f \n\t"
+ "movq %4 , %%mm0 \n\t"
+ "1: \n\t"
+ "movq %%mm0 , (%1) \n\t"
+ "sub $2 , %0 \n\t"
+ "add $8 , %1 \n\t"
+ "cmp $2 , %2 \n\t"
+ "jae 1b \n\t"
+ "emms \n\t"
+ "2: \n\t"
+ : "=r" (nvals), "=r" (dest)
+ : "0" (nvals), "1" (dest), "r" (val)
+ : "memory"
+#ifdef __MMX__
+ , "mm0"
+#endif
+ );
+
+ /* *INDENT-ON* */
+ if (nvals)
+ GST_WRITE_UINT32_LE (&dest[-4], (guint32) (val & 0xffffffff));
+}
+#endif
#include "config.h"
#endif
+#ifdef HAVE_GCC_ASM
+#if defined(HAVE_CPU_I386) || defined(HAVE_CPU_X86_64)
+#define BUILD_X86_ASM
+#endif
+#endif
+
#include <gst/gst.h>
#include <gst/base/gstcollectpads.h>
#include <gst/controller/gstcontroller.h>
#include <gst/video/video.h>
+#include <liboil/liboil.h>
+#include <liboil/liboilcpu.h>
+#include <liboil/liboilfunction.h>
+
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
void gst_videomixer_fill_i420_color (guint8 * dest, gint width, gint height,
gint colY, gint colU, gint colV);
+#ifdef BUILD_X86_ASM
+void gst_videomixer_blend_ayuv_ayuv_mmx (guint8 * src, gint xpos, gint ypos,
+ gint src_width, gint src_height, gdouble src_alpha,
+ guint8 * dest, gint dest_width, gint dest_height);
+void gst_videomixer_fill_ayuv_color_mmx (guint8 * dest, gint width, gint height,
+ gint colY, gint colU, gint colV);
+#endif
+
#define DEFAULT_PAD_ZORDER 0
#define DEFAULT_PAD_XPOS 0
#define DEFAULT_PAD_YPOS 0
goto done;
switch (mixer->fmt) {
- case GST_VIDEO_FORMAT_AYUV:
+ case GST_VIDEO_FORMAT_AYUV:{
+#ifdef BUILD_X86_ASM
+ guint cpu_flags = oil_cpu_get_flags ();
+
+ mixer->blend =
+ (cpu_flags & OIL_IMPL_FLAG_MMX) ? gst_videomixer_blend_ayuv_ayuv_mmx :
+ gst_videomixer_blend_ayuv_ayuv;
+ mixer->fill_checker = gst_videomixer_fill_ayuv_checker;
+ mixer->fill_color =
+ (cpu_flags & OIL_IMPL_FLAG_MMX) ? gst_videomixer_fill_ayuv_color_mmx :
+ gst_videomixer_fill_ayuv_color;
+#else
mixer->blend = gst_videomixer_blend_ayuv_ayuv;
mixer->fill_checker = gst_videomixer_fill_ayuv_checker;
mixer->fill_color = gst_videomixer_fill_ayuv_color;
+#endif
ret = TRUE;
break;
+ }
case GST_VIDEO_FORMAT_I420:
mixer->blend = gst_videomixer_blend_i420_i420;
mixer->fill_checker = gst_videomixer_fill_i420_checker;
GST_DEBUG_CATEGORY_INIT (gst_videomixer_debug, "videomixer", 0,
"video mixer");
+ oil_init ();
+
return gst_element_register (plugin, "videomixer", GST_RANK_PRIMARY,
GST_TYPE_VIDEO_MIXER);
}
projects / platform / upstream / gst-plugins-good.git / commitdiff