Initial WebM release

1 files changed, 220 insertions, 0 deletions

diff --git a/vpx_scale/arm/nds/yv12extend.c b/vpx_scale/arm/nds/yv12extend.c
new file mode 100644
index 000000000..56959cb18
--- /dev/null
+++ b/vpx_scale/arm/nds/yv12extend.c
@@ -0,0 +1,220 @@
+/*
+ *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license and patent
+ *  grant that can be found in the LICENSE file in the root of the source
+ *  tree. All contributing project authors may be found in the AUTHORS
+ *  file in the root of the source tree.
+ */
+
+
+/****************************************************************************
+*
+*   Module Title :     yv12extend.c
+*
+*   Description  :
+*
+***************************************************************************/
+
+/****************************************************************************
+*  Header Files
+****************************************************************************/
+#include "vpx_scale/yv12config.h"
+#include "vpx_mem/vpx_mem.h"
+#include <nitro.h>
+#include <nitro/mi.h>
+#include <nitro/itcm_begin.h>
+
+//---- DMA Number
+#define DMA_NO  3
+
+/****************************************************************************
+*  Exports
+****************************************************************************/
+
+/****************************************************************************
+*
+****************************************************************************/
+void
+vp8_yv12_extend_frame_borders(YV12_BUFFER_CONFIG *ybf)
+{
+    int i;
+    unsigned char *src_ptr1, *src_ptr2;
+    unsigned char *dest_ptr1, *dest_ptr2;
+
+    unsigned int Border;
+    int plane_stride;
+    int plane_height;
+    int plane_width;
+
+    /***********/
+    /* Y Plane */
+    /***********/
+    Border = ybf->border;
+    plane_stride = ybf->y_stride;
+    plane_height = ybf->y_height;
+    plane_width = ybf->y_width;
+
+    // copy the left and right most columns out
+    src_ptr1 = ybf->y_buffer;
+    src_ptr2 = src_ptr1 + plane_width - 1;
+    dest_ptr1 = src_ptr1 - Border;
+    dest_ptr2 = src_ptr2 + 1;
+
+    for (i = 0; i < plane_height; i++)
+    {
+        mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border);
+        mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border);
+        src_ptr1  += plane_stride;
+        src_ptr2  += plane_stride;
+        dest_ptr1 += plane_stride;
+        dest_ptr2 += plane_stride;
+    }
+
+    // Now copy the top and bottom source lines into each line of the respective borders
+    src_ptr1 = ybf->y_buffer - Border;
+    src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride;
+    dest_ptr1 = src_ptr1 - (Border * plane_stride);
+    dest_ptr2 = src_ptr2 + plane_stride;
+
+    for (i = 0; i < (int)Border; i++)
+    {
+        mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride);
+        mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride);
+        dest_ptr1 += plane_stride;
+        dest_ptr2 += plane_stride;
+    }
+
+    plane_stride /= 2;
+    plane_height /= 2;
+    plane_width /= 2;
+    Border /= 2;
+
+    /***********/
+    /* U Plane */
+    /***********/
+
+    // copy the left and right most columns out
+    src_ptr1 = ybf->u_buffer;
+    src_ptr2 = src_ptr1 + plane_width - 1;
+    dest_ptr1 = src_ptr1 - Border;
+    dest_ptr2 = src_ptr2 + 1;
+
+    for (i = 0; i < plane_height; i++)
+    {
+        mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border);
+        mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border);
+        src_ptr1  += plane_stride;
+        src_ptr2  += plane_stride;
+        dest_ptr1 += plane_stride;
+        dest_ptr2 += plane_stride;
+    }
+
+    // Now copy the top and bottom source lines into each line of the respective borders
+    src_ptr1 = ybf->u_buffer - Border;
+    src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride;
+    dest_ptr1 = src_ptr1 - (Border * plane_stride);
+    dest_ptr2 = src_ptr2 + plane_stride;
+
+    for (i = 0; i < (int)(Border); i++)
+    {
+        mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride);
+        mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride);
+        dest_ptr1 += plane_stride;
+        dest_ptr2 += plane_stride;
+    }
+
+    /***********/
+    /* V Plane */
+    /***********/
+
+    // copy the left and right most columns out
+    src_ptr1 = ybf->v_buffer;
+    src_ptr2 = src_ptr1 + plane_width - 1;
+    dest_ptr1 = src_ptr1 - Border;
+    dest_ptr2 = src_ptr2 + 1;
+
+    for (i = 0; i < plane_height; i++)
+    {
+        mi_cpu_fill8(dest_ptr1, src_ptr1[0], Border);
+        mi_cpu_fill8(dest_ptr2, src_ptr2[0], Border);
+        src_ptr1  += plane_stride;
+        src_ptr2  += plane_stride;
+        dest_ptr1 += plane_stride;
+        dest_ptr2 += plane_stride;
+    }
+
+    // Now copy the top and bottom source lines into each line of the respective borders
+    src_ptr1 = ybf->v_buffer - Border;
+    src_ptr2 = src_ptr1 + (plane_height * plane_stride) - plane_stride;
+    dest_ptr1 = src_ptr1 - (Border * plane_stride);
+    dest_ptr2 = src_ptr2 + plane_stride;
+
+    for (i = 0; i < (int)(Border); i++)
+    {
+        mi_cpu_copy_fast(src_ptr1, dest_ptr1, plane_stride);
+        mi_cpu_copy_fast(src_ptr2, dest_ptr2, plane_stride);
+        dest_ptr1 += plane_stride;
+        dest_ptr2 += plane_stride;
+    }
+}
+
+
+
+/****************************************************************************
+*
+*  ROUTINE       : vp8_yv12_copy_frame
+*
+*  INPUTS        :
+*
+*  OUTPUTS       : None.
+*
+*  RETURNS       : void
+*
+*  FUNCTION      : Copies the source image into the destination image and
+*                  updates the destination's UMV borders.
+*
+*  SPECIAL NOTES : The frames are assumed to be identical in size.
+*
+****************************************************************************/
+void
+vp8_yv12_copy_frame(YV12_BUFFER_CONFIG *src_ybc, YV12_BUFFER_CONFIG *dst_ybc)
+{
+    int yplane_size = (src_ybc->y_height + 2 * src_ybc->border) * (src_ybc->y_stride);
+    int mem_size = (yplane_size * 3 / 2) + (src_ybc->y_stride * 2);
+
+    mi_cpu_copy_fast(src_ybc->buffer_alloc, dst_ybc->buffer_alloc, mem_size);
+
+    /*  unsigned char *src_y, *dst_y;
+        unsigned char *src_u, *dst_u;
+        unsigned char *src_v, *dst_v;
+
+        int yheight, uv_height;
+        int ystride, uv_stride;
+        int border;
+        int yoffset, uvoffset;
+
+        border   = src_ybc->border;
+        yheight  = src_ybc->y_height;
+        uv_height = src_ybc->uv_height;
+
+        ystride  = src_ybc->y_stride;
+        uv_stride = src_ybc->uv_stride;
+
+        yoffset  = border * (ystride + 1);
+        uvoffset = border/2 * (uv_stride + 1);
+
+        src_y = src_ybc->y_buffer - yoffset;
+        dst_y = dst_ybc->y_buffer - yoffset;
+        src_u = src_ybc->u_buffer - uvoffset;
+        dst_u = dst_ybc->u_buffer - uvoffset;
+        src_v = src_ybc->v_buffer - uvoffset;
+        dst_v = dst_ybc->v_buffer - uvoffset;
+
+        mi_cpu_copy_fast (src_y, dst_y, ystride *  (yheight + 2 * border));
+        mi_cpu_copy_fast (src_u, dst_u, uv_stride * (uv_height + border));
+        mi_cpu_copy_fast (src_v, dst_v, uv_stride * (uv_height + border));
+    */
+}
+
+#include <nitro/itcm_end.h>