introducing the ffmpeg video decoder plugin for ms mpeg 4, opendivx and motion jpeg decoding

CVS patchset: 395
CVS date: 2001/08/07 12:41:46

1 files changed, 344 insertions, 0 deletions

diff --git a/src/libffmpeg/libavcodec/dsputil_mmx_avg.h b/src/libffmpeg/libavcodec/dsputil_mmx_avg.h
new file mode 100644
index 000000000..5cd640f71
--- /dev/null
+++ b/src/libffmpeg/libavcodec/dsputil_mmx_avg.h
@@ -0,0 +1,344 @@
+/*
+ * 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	%4, %%mm0\n\t"
+	"movq	1%4, %%mm1\n\t"
+	"movq	%5, %%mm2\n\t"
+	"movq	1%5, %%mm3\n\t"
+	"movq	%6, %%mm4\n\t"
+	"movq	1%6, %%mm5\n\t"
+	"movq	%7, %%mm6\n\t"
+	"movq	1%7, %%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, %1\n\t"
+	"movq	%%mm4, %2\n\t"
+	"movq	%%mm6, %3\n\t"
+	:"=m"(*p), "=m"(*(p+line_size)), "=m"(*(p+line_size*2)), "=m"(*(p+line_size*3))
+	:"m"(*pix), "m"(*(pix+line_size)), "m"(*(pix+line_size*2)), "m"(*(pix+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	%4, %%mm1\n\t"
+	"movq	%1, %%mm2\n\t"
+	"movq	%5, %%mm3\n\t"
+	"movq	%2, %%mm4\n\t"
+	"movq	%6, %%mm5\n\t"
+	"movq	%3, %%mm6\n\t"
+	"movq	%7, %%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, %1\n\t"
+	"movq	%%mm4, %2\n\t"
+	"movq	%%mm6, %3\n\t"
+	:"=m"(*p), "=m"(*(p+line_size)), "=m"(*(p+line_size*2)), "=m"(*(p+line_size*3))
+	:"m"(*pix), "m"(*(pix+line_size)), "m"(*(pix+line_size*2)), "m"(*(pix+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):"memory");
+  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":::"memory");
+  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":::"memory");
+  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);
+}
+