Move libvpx from DEPS to src

third_party/libvpx/source/libvpx/vpx_scale/generic/gen_scalers.c

Index: third_party/libvpx/source/libvpx/vpx_scale/generic/gen_scalers.c
diff --git a/third_party/libvpx/source/libvpx/vpx_scale/generic/gen_scalers.c b/third_party/libvpx/source/libvpx/vpx_scale/generic/gen_scalers.c
new file mode 100644
index 0000000000000000000000000000000000000000..995c45b6ab66d981e6aaecc6b45a5175114fbf5e
--- /dev/null
+++ b/third_party/libvpx/source/libvpx/vpx_scale/generic/gen_scalers.c
@@ -0,0 +1,240 @@
+/*
+ *  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 "vpx_scale/vpx_scale.h"
+#include "vpx_mem/vpx_mem.h"
+/****************************************************************************
+*  Imports
+****************************************************************************/
+
+/****************************************************************************
+ *
+ *
+ *  INPUTS        : const unsigned char *source : Pointer to source data.
+ *                  unsigned int source_width    : Stride of source.
+ *                  unsigned char *dest         : Pointer to destination data.
+ *                  unsigned int dest_width      : Stride of destination (NOT USED).
+ *
+ *  OUTPUTS       : None.
+ *
+ *  RETURNS       : void
+ *
+ *  FUNCTION      : Copies horizontal line of pixels from source to
+ *                  destination scaling up by 4 to 5.
+ *
+ *  SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+void vp8_horizontal_line_5_4_scale_c(const unsigned char *source,
+                                     unsigned int source_width,
+                                     unsigned char *dest,
+                                     unsigned int dest_width) {
+  unsigned i;
+  unsigned int a, b, c, d, e;
+  unsigned char *des = dest;
+  const unsigned char *src = source;
+
+  (void) dest_width;
+
+  for (i = 0; i < source_width; i += 5) {
+    a = src[0];
+    b = src[1];
+    c = src[2];
+    d = src[3];
+    e = src[4];
+
+    des[0] = (unsigned char) a;
+    des[1] = (unsigned char)((b * 192 + c * 64 + 128) >> 8);
+    des[2] = (unsigned char)((c * 128 + d * 128 + 128) >> 8);
+    des[3] = (unsigned char)((d * 64 + e * 192 + 128) >> 8);
+
+    src += 5;
+    des += 4;
+  }
+}
+
+
+
+
+void vp8_vertical_band_5_4_scale_c(unsigned char *source,
+                                   unsigned int src_pitch,
+                                   unsigned char *dest,
+                                   unsigned int dest_pitch,
+                                   unsigned int dest_width) {
+  unsigned int i;
+  unsigned int a, b, c, d, e;
+  unsigned char *des = dest;
+  unsigned char *src = source;
+
+  for (i = 0; i < dest_width; i++) {
+
+    a = src[0 * src_pitch];
+    b = src[1 * src_pitch];
+    c = src[2 * src_pitch];
+    d = src[3 * src_pitch];
+    e = src[4 * src_pitch];
+
+    des[0 * dest_pitch] = (unsigned char) a;
+    des[1 * dest_pitch] = (unsigned char)((b * 192 + c * 64 + 128) >> 8);
+    des[2 * dest_pitch] = (unsigned char)((c * 128 + d * 128 + 128) >> 8);
+    des[3 * dest_pitch] = (unsigned char)((d * 64 + e * 192 + 128) >> 8);
+
+    src++;
+    des++;
+
+  }
+}
+
+
+/*7***************************************************************************
+ *
+ *  ROUTINE       : vp8_horizontal_line_3_5_scale_c
+ *
+ *  INPUTS        : const unsigned char *source : Pointer to source data.
+ *                  unsigned int source_width    : Stride of source.
+ *                  unsigned char *dest         : Pointer to destination data.
+ *                  unsigned int dest_width      : Stride of destination (NOT USED).
+ *
+ *  OUTPUTS       : None.
+ *
+ *  RETURNS       : void
+ *
+ *  FUNCTION      : Copies horizontal line of pixels from source to
+ *                  destination scaling up by 3 to 5.
+ *
+ *  SPECIAL NOTES : None.
+ *
+ *
+ ****************************************************************************/
+void vp8_horizontal_line_5_3_scale_c(const unsigned char *source,
+                                     unsigned int source_width,
+                                     unsigned char *dest,
+                                     unsigned int dest_width) {
+  unsigned int i;
+  unsigned int a, b, c, d, e;
+  unsigned char *des = dest;
+  const unsigned char *src = source;
+
+  (void) dest_width;
+
+  for (i = 0; i < source_width; i += 5) {
+    a = src[0];
+    b = src[1];
+    c = src[2];
+    d = src[3];
+    e = src[4];
+
+    des[0] = (unsigned char) a;
+    des[1] = (unsigned char)((b * 85  + c * 171 + 128) >> 8);
+    des[2] = (unsigned char)((d * 171 + e * 85 + 128) >> 8);
+
+    src += 5;
+    des += 3;
+  }
+
+}
+
+void vp8_vertical_band_5_3_scale_c(unsigned char *source,
+                                   unsigned int src_pitch,
+                                   unsigned char *dest,
+                                   unsigned int dest_pitch,
+                                   unsigned int dest_width) {
+  unsigned int i;
+  unsigned int a, b, c, d, e;
+  unsigned char *des = dest;
+  unsigned char *src = source;
+
+  for (i = 0; i < dest_width; i++) {
+
+    a = src[0 * src_pitch];
+    b = src[1 * src_pitch];
+    c = src[2 * src_pitch];
+    d = src[3 * src_pitch];
+    e = src[4 * src_pitch];
+
+    des[0 * dest_pitch] = (unsigned char) a;
+    des[1 * dest_pitch] = (unsigned char)((b * 85 + c * 171 + 128) >> 8);
+    des[2 * dest_pitch] = (unsigned char)((d * 171 + e * 85 + 128) >> 8);
+
+    src++;
+    des++;
+
+  }
+}
+
+/****************************************************************************
+ *
+ *  ROUTINE       : vp8_horizontal_line_1_2_scale_c
+ *
+ *  INPUTS        : const unsigned char *source : Pointer to source data.
+ *                  unsigned int source_width    : Stride of source.
+ *                  unsigned char *dest         : Pointer to destination data.
+ *                  unsigned int dest_width      : Stride of destination (NOT USED).
+ *
+ *  OUTPUTS       : None.
+ *
+ *  RETURNS       : void
+ *
+ *  FUNCTION      : Copies horizontal line of pixels from source to
+ *                  destination scaling up by 1 to 2.
+ *
+ *  SPECIAL NOTES : None.
+ *
+ ****************************************************************************/
+void vp8_horizontal_line_2_1_scale_c(const unsigned char *source,
+                                     unsigned int source_width,
+                                     unsigned char *dest,
+                                     unsigned int dest_width) {
+  unsigned int i;
+  unsigned int a;
+  unsigned char *des = dest;
+  const unsigned char *src = source;
+
+  (void) dest_width;
+
+  for (i = 0; i < source_width; i += 2) {
+    a = src[0];
+    des [0] = (unsigned char)(a);
+    src += 2;
+    des += 1;
+  }
+}
+
+void vp8_vertical_band_2_1_scale_c(unsigned char *source,
+                                   unsigned int src_pitch,
+                                   unsigned char *dest,
+                                   unsigned int dest_pitch,
+                                   unsigned int dest_width) {
+  (void) dest_pitch;
+  (void) src_pitch;
+  memcpy(dest, source, dest_width);
+}
+
+void vp8_vertical_band_2_1_scale_i_c(unsigned char *source,
+                                     unsigned int src_pitch,
+                                     unsigned char *dest,
+                                     unsigned int dest_pitch,
+                                     unsigned int dest_width) {
+  int i;
+  int temp;
+  int width = dest_width;
+
+  (void) dest_pitch;
+
+  for (i = 0; i < width; i++) {
+    temp = 8;
+    temp += source[i - (int)src_pitch] * 3;
+    temp += source[i] * 10;
+    temp += source[i + src_pitch] * 3;
+    temp >>= 4;
+    dest[i] = (unsigned char)(temp);
+  }
+}