Move screen capturers from remoting/capturer to media/video/capturer/screen

remoting/capturer/differ_block_sse2.cc

Index: remoting/capturer/differ_block_sse2.cc
diff --git a/remoting/capturer/differ_block_sse2.cc b/remoting/capturer/differ_block_sse2.cc
deleted file mode 100644
index 9078a429b0e7d5e0a85aff5343382f2b8583bf5e..0000000000000000000000000000000000000000
--- a/remoting/capturer/differ_block_sse2.cc
+++ /dev/null
@@ -1,112 +0,0 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "remoting/capturer/differ_block_sse2.h"
-
-#if defined(_MSC_VER)
-#include <intrin.h>
-#else
-#include <mmintrin.h>
-#include <emmintrin.h>
-#endif
-
-#include "remoting/capturer/differ_block.h"
-
-namespace remoting {
-
-extern int BlockDifference_SSE2_W16(const uint8* image1, const uint8* image2,
-                                    int stride) {
-  __m128i acc = _mm_setzero_si128();
-  __m128i v0;
-  __m128i v1;
-  __m128i sad;
-  for (int y = 0; y < kBlockSize; ++y) {
-    const __m128i* i1 = reinterpret_cast<const __m128i*>(image1);
-    const __m128i* i2 = reinterpret_cast<const __m128i*>(image2);
-    v0 = _mm_loadu_si128(i1);
-    v1 = _mm_loadu_si128(i2);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 1);
-    v1 = _mm_loadu_si128(i2 + 1);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 2);
-    v1 = _mm_loadu_si128(i2 + 2);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 3);
-    v1 = _mm_loadu_si128(i2 + 3);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-
-    // This essential means sad = acc >> 64. We only care about the lower 16
-    // bits.
-    sad = _mm_shuffle_epi32(acc, 0xEE);
-    sad = _mm_adds_epu16(sad, acc);
-    int diff = _mm_cvtsi128_si32(sad);
-    if (diff)
-      return 1;
-    image1 += stride;
-    image2 += stride;
-  }
-  return 0;
-}
-
-extern int BlockDifference_SSE2_W32(const uint8* image1, const uint8* image2,
-                                    int stride) {
-  __m128i acc = _mm_setzero_si128();
-  __m128i v0;
-  __m128i v1;
-  __m128i sad;
-  for (int y = 0; y < kBlockSize; ++y) {
-    const __m128i* i1 = reinterpret_cast<const __m128i*>(image1);
-    const __m128i* i2 = reinterpret_cast<const __m128i*>(image2);
-    v0 = _mm_loadu_si128(i1);
-    v1 = _mm_loadu_si128(i2);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 1);
-    v1 = _mm_loadu_si128(i2 + 1);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 2);
-    v1 = _mm_loadu_si128(i2 + 2);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 3);
-    v1 = _mm_loadu_si128(i2 + 3);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 4);
-    v1 = _mm_loadu_si128(i2 + 4);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 5);
-    v1 = _mm_loadu_si128(i2 + 5);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 6);
-    v1 = _mm_loadu_si128(i2 + 6);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-    v0 = _mm_loadu_si128(i1 + 7);
-    v1 = _mm_loadu_si128(i2 + 7);
-    sad = _mm_sad_epu8(v0, v1);
-    acc = _mm_adds_epu16(acc, sad);
-
-    // This essential means sad = acc >> 64. We only care about the lower 16
-    // bits.
-    sad = _mm_shuffle_epi32(acc, 0xEE);
-    sad = _mm_adds_epu16(sad, acc);
-    int diff = _mm_cvtsi128_si32(sad);
-    if (diff)
-      return 1;
-    image1 += stride;
-    image2 += stride;
-  }
-  return 0;
-}
-
-}  // namespace remoting