1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "media/base/media.h"
6
7#include <windows.h>
8#if defined(_WIN32_WINNT_WIN8)
9// The Windows 8 SDK defines FACILITY_VISUALCPP in winerror.h.
10#undef FACILITY_VISUALCPP
11#endif
12#include <delayimp.h>
13
14#include "base/files/file_path.h"
15
16#pragma comment(lib, "delayimp.lib")
17
18namespace media {
19namespace internal {
20
21bool InitializeMediaLibraryInternal(const base::FilePath& module_dir) {
22  // LoadLibraryEx(..., LOAD_WITH_ALTERED_SEARCH_PATH) cannot handle
23  // relative path.
24  if (!module_dir.IsAbsolute())
25    return false;
26
27  // Use alternate DLL search path so we don't load dependencies from the
28  // system path.  Refer to http://crbug.com/35857
29  static const char kFFmpegDLL[] = "ffmpegsumo.dll";
30  HMODULE lib = ::LoadLibraryEx(
31      module_dir.AppendASCII(kFFmpegDLL).value().c_str(), NULL,
32      LOAD_WITH_ALTERED_SEARCH_PATH);
33
34  // Check that we loaded the library successfully.
35  return lib != NULL;
36}
37
38}  // namespace internal
39}  // namespace media
40