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Diffstat (limited to 'src/libffmpeg/libavcodec/i386/dsputil_mmx_avg.h')
-rw-r--r--src/libffmpeg/libavcodec/i386/dsputil_mmx_avg.h342
1 files changed, 342 insertions, 0 deletions
diff --git a/src/libffmpeg/libavcodec/i386/dsputil_mmx_avg.h b/src/libffmpeg/libavcodec/i386/dsputil_mmx_avg.h
new file mode 100644
index 000000000..830fe9f3b
--- /dev/null
+++ b/src/libffmpeg/libavcodec/i386/dsputil_mmx_avg.h
@@ -0,0 +1,342 @@
+/*
+ * DSP utils : average functions are compiled twice for 3dnow/mmx2
+ * Copyright (c) 2000, 2001 Gerard Lantau.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
+ */
+
+static void DEF(put_pixels_x2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
+{
+ int dh, hh;
+ UINT8 *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+ hh=h>>2;
+ dh=h&3;
+ while(hh--) {
+ __asm __volatile(
+ "movq (%1), %%mm0\n\t"
+ "movq 1(%1), %%mm1\n\t"
+ "movq (%1, %2), %%mm2\n\t"
+ "movq 1(%1, %2), %%mm3\n\t"
+ "movq (%1, %2, 2), %%mm4\n\t"
+ "movq 1(%1, %2, 2), %%mm5\n\t"
+ "movq (%1, %3), %%mm6\n\t"
+ "movq 1(%1, %3), %%mm7\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ PAVGB" %%mm3, %%mm2\n\t"
+ PAVGB" %%mm5, %%mm4\n\t"
+ PAVGB" %%mm7, %%mm6\n\t"
+ "movq %%mm0, (%0)\n\t"
+ "movq %%mm2, (%0, %2)\n\t"
+ "movq %%mm4, (%0, %2, 2)\n\t"
+ "movq %%mm6, (%0, %3)\n\t"
+ ::"r"(p), "r"(pix), "r" (line_size), "r" (line_size*3)
+ :"memory");
+ pix += line_size*4; p += line_size*4;
+ }
+ while(dh--) {
+ __asm __volatile(
+ "movq %1, %%mm0\n\t"
+ "movq 1%1, %%mm1\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ "movq %%mm0, %0\n\t"
+ :"=m"(*p)
+ :"m"(*pix)
+ :"memory");
+ pix += line_size; p += line_size;
+ }
+}
+
+static void DEF(put_pixels_y2)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
+{
+ int dh, hh;
+ UINT8 *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+
+ hh=h>>1;
+ dh=h&1;
+ while(hh--) {
+ __asm __volatile(
+ "movq %2, %%mm0\n\t"
+ "movq %3, %%mm1\n\t"
+ "movq %4, %%mm2\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ PAVGB" %%mm2, %%mm1\n\t"
+ "movq %%mm0, %0\n\t"
+ "movq %%mm1, %1\n\t"
+ :"=m"(*p), "=m"(*(p+line_size))
+ :"m"(*pix), "m"(*(pix+line_size)),
+ "m"(*(pix+line_size*2))
+ :"memory");
+ pix += line_size*2;
+ p += line_size*2;
+ }
+ if(dh) {
+ __asm __volatile(
+ "movq %1, %%mm0\n\t"
+ "movq %2, %%mm1\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ "movq %%mm0, %0\n\t"
+ :"=m"(*p)
+ :"m"(*pix),
+ "m"(*(pix+line_size))
+ :"memory");
+ }
+}
+
+static void DEF(avg_pixels)(UINT8 *block, const UINT8 *pixels, int line_size, int h)
+{
+ int dh, hh;
+ UINT8 *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+ hh=h>>2;
+ dh=h&3;
+ while(hh--) {
+ __asm __volatile(
+ "movq (%0), %%mm0\n\t"
+ "movq (%1), %%mm1\n\t"
+ "movq (%0, %2), %%mm2\n\t"
+ "movq (%1, %2), %%mm3\n\t"
+ "movq (%0, %2, 2), %%mm4\n\t"
+ "movq (%1, %2, 2), %%mm5\n\t"
+ "movq (%0, %3), %%mm6\n\t"
+ "movq (%1, %3), %%mm7\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ PAVGB" %%mm3, %%mm2\n\t"
+ PAVGB" %%mm5, %%mm4\n\t"
+ PAVGB" %%mm7, %%mm6\n\t"
+ "movq %%mm0, (%0)\n\t"
+ "movq %%mm2, (%0, %2)\n\t"
+ "movq %%mm4, (%0, %2, 2)\n\t"
+ "movq %%mm6, (%0, %3)\n\t"
+ ::"r"(p), "r"(pix), "r" (line_size), "r" (line_size*3)
+ :"memory");
+ pix += line_size*4; p += line_size*4;
+ }
+ while(dh--) {
+ __asm __volatile(
+ "movq %0, %%mm0\n\t"
+ "movq %1, %%mm1\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ "movq %%mm0, %0\n\t"
+ :"+m"(*p)
+ :"m"(*pix)
+ :"memory");
+ pix += line_size; p += line_size;
+ }
+}
+
+static void DEF(avg_pixels_x2)( UINT8 *block, const UINT8 *pixels, int line_size, int h)
+{
+ int dh, hh;
+ UINT8 *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+ hh=h>>1;
+ dh=h&1;
+ while(hh--) {
+ __asm __volatile(
+ "movq %2, %%mm2\n\t"
+ "movq 1%2, %%mm3\n\t"
+ "movq %3, %%mm4\n\t"
+ "movq 1%3, %%mm5\n\t"
+ "movq %0, %%mm0\n\t"
+ "movq %1, %%mm1\n\t"
+ PAVGB" %%mm3, %%mm2\n\t"
+ PAVGB" %%mm2, %%mm0\n\t"
+ PAVGB" %%mm5, %%mm4\n\t"
+ PAVGB" %%mm4, %%mm1\n\t"
+ "movq %%mm0, %0\n\t"
+ "movq %%mm1, %1\n\t"
+ :"+m"(*p), "+m"(*(p+line_size))
+ :"m"(*pix), "m"(*(pix+line_size))
+ :"memory");
+ pix += line_size*2;
+ p += line_size*2;
+ }
+ if(dh) {
+ __asm __volatile(
+ "movq %1, %%mm1\n\t"
+ "movq 1%1, %%mm2\n\t"
+ "movq %0, %%mm0\n\t"
+ PAVGB" %%mm2, %%mm1\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ "movq %%mm0, %0\n\t"
+ :"+m"(*p)
+ :"m"(*pix)
+ :"memory");
+ }
+}
+
+static void DEF(avg_pixels_y2)( UINT8 *block, const UINT8 *pixels, int line_size, int h)
+{
+ int dh, hh;
+ UINT8 *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+ hh=h>>1;
+ dh=h&1;
+ while(hh--) {
+ __asm __volatile(
+ "movq %2, %%mm2\n\t"
+ "movq %3, %%mm3\n\t"
+ "movq %3, %%mm4\n\t"
+ "movq %4, %%mm5\n\t"
+ "movq %0, %%mm0\n\t"
+ "movq %1, %%mm1\n\t"
+ PAVGB" %%mm3, %%mm2\n\t"
+ PAVGB" %%mm2, %%mm0\n\t"
+ PAVGB" %%mm5, %%mm4\n\t"
+ PAVGB" %%mm4, %%mm1\n\t"
+ "movq %%mm0, %0\n\t"
+ "movq %%mm1, %1\n\t"
+ :"+m"(*p), "+m"(*(p+line_size))
+ :"m"(*pix), "m"(*(pix+line_size)), "m"(*(pix+line_size*2))
+ :"memory");
+ pix += line_size*2;
+ p += line_size*2;
+ }
+ if(dh) {
+ __asm __volatile(
+ "movq %1, %%mm1\n\t"
+ "movq %2, %%mm2\n\t"
+ "movq %0, %%mm0\n\t"
+ PAVGB" %%mm2, %%mm1\n\t"
+ PAVGB" %%mm1, %%mm0\n\t"
+ "movq %%mm0, %0\n\t"
+ :"+m"(*p)
+ :"m"(*pix), "m"(*(pix+line_size))
+ :"memory");
+ }
+}
+
+static void DEF(avg_pixels_xy2)( UINT8 *block, const UINT8 *pixels, int line_size, int h)
+{
+ UINT8 *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+ __asm __volatile(
+ "pxor %%mm7, %%mm7\n\t"
+ "movq %0, %%mm6\n\t"
+ ::"m"(mm_wtwo));
+ do {
+ __asm __volatile(
+ "movq %1, %%mm0\n\t"
+ "movq %2, %%mm1\n\t"
+ "movq 1%1, %%mm4\n\t"
+ "movq 1%2, %%mm5\n\t"
+ "movq %%mm0, %%mm2\n\t"
+ "movq %%mm1, %%mm3\n\t"
+ "punpcklbw %%mm7, %%mm0\n\t"
+ "punpcklbw %%mm7, %%mm1\n\t"
+ "punpckhbw %%mm7, %%mm2\n\t"
+ "punpckhbw %%mm7, %%mm3\n\t"
+ "paddusw %%mm1, %%mm0\n\t"
+ "paddusw %%mm3, %%mm2\n\t"
+ "movq %%mm4, %%mm1\n\t"
+ "movq %%mm5, %%mm3\n\t"
+ "punpcklbw %%mm7, %%mm4\n\t"
+ "punpcklbw %%mm7, %%mm5\n\t"
+ "punpckhbw %%mm7, %%mm1\n\t"
+ "punpckhbw %%mm7, %%mm3\n\t"
+ "paddusw %%mm5, %%mm4\n\t"
+ "paddusw %%mm3, %%mm1\n\t"
+ "paddusw %%mm6, %%mm4\n\t"
+ "paddusw %%mm6, %%mm1\n\t"
+ "paddusw %%mm4, %%mm0\n\t"
+ "paddusw %%mm1, %%mm2\n\t"
+ "psrlw $2, %%mm0\n\t"
+ "psrlw $2, %%mm2\n\t"
+ "packuswb %%mm2, %%mm0\n\t"
+ PAVGB" %0, %%mm0\n\t"
+ "movq %%mm0, %0\n\t"
+ :"+m"(*p)
+ :"m"(*pix),
+ "m"(*(pix+line_size))
+ :"memory");
+ pix += line_size;
+ p += line_size ;
+ } while(--h);
+}
+
+static void DEF(sub_pixels_x2)( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
+{
+ DCTELEM *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+ __asm __volatile(
+ "pxor %%mm7, %%mm7":);
+ do {
+ __asm __volatile(
+ "movq 1%1, %%mm2\n\t"
+ "movq %0, %%mm0\n\t"
+ PAVGB" %1, %%mm2\n\t"
+ "movq 8%0, %%mm1\n\t"
+ "movq %%mm2, %%mm3\n\t"
+ "punpcklbw %%mm7, %%mm2\n\t"
+ "punpckhbw %%mm7, %%mm3\n\t"
+ "psubsw %%mm2, %%mm0\n\t"
+ "psubsw %%mm3, %%mm1\n\t"
+ "movq %%mm0, %0\n\t"
+ "movq %%mm1, 8%0\n\t"
+ :"+m"(*p)
+ :"m"(*pix)
+ :"memory");
+ pix += line_size;
+ p += 8;
+ } while (--h);
+}
+
+static void DEF(sub_pixels_y2)( DCTELEM *block, const UINT8 *pixels, int line_size, int h)
+{
+ DCTELEM *p;
+ const UINT8 *pix;
+ p = block;
+ pix = pixels;
+ __asm __volatile(
+ "pxor %%mm7, %%mm7":);
+ do {
+ __asm __volatile(
+ "movq %2, %%mm2\n\t"
+ "movq %0, %%mm0\n\t"
+ PAVGB" %1, %%mm2\n\t"
+ "movq 8%0, %%mm1\n\t"
+ "movq %%mm2, %%mm3\n\t"
+ "punpcklbw %%mm7, %%mm2\n\t"
+ "punpckhbw %%mm7, %%mm3\n\t"
+ "psubsw %%mm2, %%mm0\n\t"
+ "psubsw %%mm3, %%mm1\n\t"
+ "movq %%mm0, %0\n\t"
+ "movq %%mm1, 8%0\n\t"
+ :"+m"(*p)
+ :"m"(*pix), "m"(*(pix+line_size))
+ :"memory");
+ pix += line_size;
+ p += 8;
+ } while (--h);
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-24 13:08:56 +0000