media: gpu: vea_unittest: fix alignment on non ARM platforms

media/gpu/video_encode_accelerator_unittest.cc

 // Copyright 2013 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 <inttypes.h>
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 147 matching lines @@
 
 #ifdef ARCH_CPU_ARMEL
 // ARM performs CPU cache management with CPU cache line granularity. We thus
 // need to ensure our buffers are CPU cache line-aligned (64 byte-aligned).
 // Otherwise newer kernels will refuse to accept them, and on older kernels
 // we'll be treating ourselves to random corruption.
 // Moreover, some hardware codecs require 128-byte alignment for physical
 // buffers.
 const size_t kPlatformBufferAlignment = 128;
 #else
-const size_t kPlatformBufferAlignment = 1;
+const size_t kPlatformBufferAlignment = 8;
 #endif
 
 inline static size_t AlignToPlatformRequirements(size_t value) {
   return base::bits::Align(value, kPlatformBufferAlignment);
 }
 
 // An aligned STL allocator.
 template <typename T, size_t ByteAlignment>
 class AlignedAllocator : public std::allocator<T> {
  public:
@@ skipping 1762 matching lines @@
 
   media::g_env =
       reinterpret_cast<media::VideoEncodeAcceleratorTestEnvironment*>(
           testing::AddGlobalTestEnvironment(
               new media::VideoEncodeAcceleratorTestEnvironment(
                   std::move(test_stream_data), log_path, run_at_fps,
                   needs_encode_latency, verify_all_output)));
 
   return RUN_ALL_TESTS();
 }