libvpx: Add VP9 decoder.

source/libvpx/vp9/common/ppc/vp9_loopfilter_altivec.c

Index: source/libvpx/vp9/common/ppc/vp9_loopfilter_altivec.c
===================================================================
--- source/libvpx/vp9/common/ppc/vp9_loopfilter_altivec.c	(revision 0)
+++ source/libvpx/vp9/common/ppc/vp9_loopfilter_altivec.c	(revision 0)
@@ -0,0 +1,127 @@
+/*
+ *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+
+#include "vp9/common/vp9_loopfilter.h"
+#include "vp9/common/vp9_onyxc_int.h"
+
+typedef void loop_filter_function_y_ppc
+(
+  unsigned char *s,   // source pointer
+  int p,              // pitch
+  const signed char *flimit,
+  const signed char *limit,
+  const signed char *thresh
+);
+
+typedef void loop_filter_function_uv_ppc
+(
+  unsigned char *u,   // source pointer
+  unsigned char *v,   // source pointer
+  int p,              // pitch
+  const signed char *flimit,
+  const signed char *limit,
+  const signed char *thresh
+);
+
+typedef void loop_filter_function_s_ppc
+(
+  unsigned char *s,   // source pointer
+  int p,              // pitch
+  const signed char *flimit
+);
+
+loop_filter_function_y_ppc mbloop_filter_horizontal_edge_y_ppc;
+loop_filter_function_y_ppc mbloop_filter_vertical_edge_y_ppc;
+loop_filter_function_y_ppc loop_filter_horizontal_edge_y_ppc;
+loop_filter_function_y_ppc loop_filter_vertical_edge_y_ppc;
+
+loop_filter_function_uv_ppc mbloop_filter_horizontal_edge_uv_ppc;
+loop_filter_function_uv_ppc mbloop_filter_vertical_edge_uv_ppc;
+loop_filter_function_uv_ppc loop_filter_horizontal_edge_uv_ppc;
+loop_filter_function_uv_ppc loop_filter_vertical_edge_uv_ppc;
+
+loop_filter_function_s_ppc loop_filter_simple_horizontal_edge_ppc;
+loop_filter_function_s_ppc loop_filter_simple_vertical_edge_ppc;
+
+// Horizontal MB filtering
+void loop_filter_mbh_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                         int y_stride, int uv_stride, loop_filter_info *lfi) {
+  mbloop_filter_horizontal_edge_y_ppc(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr);
+
+  if (u_ptr)
+    mbloop_filter_horizontal_edge_uv_ppc(u_ptr, v_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr);
+}
+
+void loop_filter_mbhs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                          int y_stride, int uv_stride, loop_filter_info *lfi) {
+  (void)u_ptr;
+  (void)v_ptr;
+  (void)uv_stride;
+  loop_filter_simple_horizontal_edge_ppc(y_ptr, y_stride, lfi->mbflim);
+}
+
+// Vertical MB Filtering
+void loop_filter_mbv_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                         int y_stride, int uv_stride, loop_filter_info *lfi) {
+  mbloop_filter_vertical_edge_y_ppc(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr);
+
+  if (u_ptr)
+    mbloop_filter_vertical_edge_uv_ppc(u_ptr, v_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr);
+}
+
+void loop_filter_mbvs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                          int y_stride, int uv_stride, loop_filter_info *lfi) {
+  (void)u_ptr;
+  (void)v_ptr;
+  (void)uv_stride;
+  loop_filter_simple_vertical_edge_ppc(y_ptr, y_stride, lfi->mbflim);
+}
+
+// Horizontal B Filtering
+void loop_filter_bh_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                        int y_stride, int uv_stride, loop_filter_info *lfi) {
+  // These should all be done at once with one call, instead of 3
+  loop_filter_horizontal_edge_y_ppc(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr);
+  loop_filter_horizontal_edge_y_ppc(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr);
+  loop_filter_horizontal_edge_y_ppc(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr);
+
+  if (u_ptr)
+    loop_filter_horizontal_edge_uv_ppc(u_ptr + 4 * uv_stride, v_ptr + 4 * uv_stride, uv_stride, lfi->flim, lfi->lim, lfi->thr);
+}
+
+void loop_filter_bhs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                         int y_stride, int uv_stride, loop_filter_info *lfi) {
+  (void)u_ptr;
+  (void)v_ptr;
+  (void)uv_stride;
+  loop_filter_simple_horizontal_edge_ppc(y_ptr + 4 * y_stride, y_stride, lfi->flim);
+  loop_filter_simple_horizontal_edge_ppc(y_ptr + 8 * y_stride, y_stride, lfi->flim);
+  loop_filter_simple_horizontal_edge_ppc(y_ptr + 12 * y_stride, y_stride, lfi->flim);
+}
+
+// Vertical B Filtering
+void loop_filter_bv_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                        int y_stride, int uv_stride, loop_filter_info *lfi) {
+  loop_filter_vertical_edge_y_ppc(y_ptr, y_stride, lfi->flim, lfi->lim, lfi->thr);
+
+  if (u_ptr)
+    loop_filter_vertical_edge_uv_ppc(u_ptr + 4, v_ptr + 4, uv_stride, lfi->flim, lfi->lim, lfi->thr);
+}
+
+void loop_filter_bvs_ppc(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr,
+                         int y_stride, int uv_stride, loop_filter_info *lfi) {
+  (void)u_ptr;
+  (void)v_ptr;
+  (void)uv_stride;
+  loop_filter_simple_vertical_edge_ppc(y_ptr + 4,  y_stride, lfi->flim);
+  loop_filter_simple_vertical_edge_ppc(y_ptr + 8,  y_stride, lfi->flim);
+  loop_filter_simple_vertical_edge_ppc(y_ptr + 12, y_stride, lfi->flim);
+}
Property changes on: source/libvpx/vp9/common/ppc/vp9_loopfilter_altivec.c
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Added: svn:eol-style
   + LF