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-rw-r--r--vp8/encoder/sad_c.c248
1 files changed, 248 insertions, 0 deletions
diff --git a/vp8/encoder/sad_c.c b/vp8/encoder/sad_c.c
new file mode 100644
index 000000000..74c6bd76a
--- /dev/null
+++ b/vp8/encoder/sad_c.c
@@ -0,0 +1,248 @@
+/*
+ * 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.
+ */
+
+
+#include <stdlib.h>
+
+unsigned int vp8_sad16x16_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ int max_sad)
+{
+
+ int r, c;
+ unsigned int sad = 0;
+
+ for (r = 0; r < 16; r++)
+ {
+ for (c = 0; c < 16; c++)
+ {
+ sad += abs(src_ptr[c] - ref_ptr[c]);
+ }
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ }
+
+ return sad;
+}
+
+
+static __inline
+unsigned int sad_mx_n_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ int m,
+ int n)
+{
+
+ int r, c;
+ unsigned int sad = 0;
+
+ for (r = 0; r < n; r++)
+ {
+ for (c = 0; c < m; c++)
+ {
+ sad += abs(src_ptr[c] - ref_ptr[c]);
+ }
+
+ src_ptr += src_stride;
+ ref_ptr += ref_stride;
+ }
+
+ return sad;
+}
+
+
+unsigned int vp8_sad8x8_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ int max_sad)
+{
+
+ return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 8);
+}
+
+
+unsigned int vp8_sad16x8_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ int max_sad)
+{
+
+ return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 16, 8);
+
+}
+
+
+unsigned int vp8_sad8x16_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ int max_sad)
+{
+
+ return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 8, 16);
+}
+
+
+unsigned int vp8_sad4x4_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ int max_sad)
+{
+
+ return sad_mx_n_c(src_ptr, src_stride, ref_ptr, ref_stride, 4, 4);
+}
+
+void vp8_sad16x16x3_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
+}
+
+void vp8_sad16x8x3_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
+}
+
+void vp8_sad8x8x3_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
+}
+
+void vp8_sad8x16x3_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
+}
+
+void vp8_sad4x4x3_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr,
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr , ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 1, ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr + 2, ref_stride, 0x7fffffff);
+}
+
+void vp8_sad16x16x4d_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr[],
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
+ sad_array[3] = vp8_sad16x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
+}
+
+void vp8_sad16x8x4d_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr[],
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
+ sad_array[3] = vp8_sad16x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
+}
+
+void vp8_sad8x8x4d_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr[],
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
+ sad_array[3] = vp8_sad8x8_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
+}
+
+void vp8_sad8x16x4d_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr[],
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
+ sad_array[3] = vp8_sad8x16_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
+}
+
+void vp8_sad4x4x4d_c(
+ unsigned char *src_ptr,
+ int src_stride,
+ unsigned char *ref_ptr[],
+ int ref_stride,
+ unsigned int *sad_array
+)
+{
+ sad_array[0] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[0], ref_stride, 0x7fffffff);
+ sad_array[1] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[1], ref_stride, 0x7fffffff);
+ sad_array[2] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[2], ref_stride, 0x7fffffff);
+ sad_array[3] = vp8_sad4x4_c(src_ptr, src_stride, ref_ptr[3], ref_stride, 0x7fffffff);
+}
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