Chromium changes for static linking ffmpeg

media/base/media_posix.cc

-// Copyright (c) 2012 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 "media/base/media.h"
-
-#include <string>
-
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/strings/stringize_macros.h"
-#include "media/ffmpeg/ffmpeg_common.h"
-#include "third_party/ffmpeg/ffmpeg_stubs.h"
-
-using third_party_ffmpeg::kNumStubModules;
-using third_party_ffmpeg::kModuleFfmpegsumo;
-using third_party_ffmpeg::InitializeStubs;
-using third_party_ffmpeg::StubPathMap;
-
-namespace media {
-namespace internal {
-
-// Handy to prevent shooting ourselves in the foot with macro wizardry.
-#if !defined(LIBAVCODEC_VERSION_MAJOR) || \
-    !defined(LIBAVFORMAT_VERSION_MAJOR) || \
-    !defined(LIBAVUTIL_VERSION_MAJOR)
-#error FFmpeg headers not included!
-#endif
-
-#define AVCODEC_VERSION STRINGIZE(LIBAVCODEC_VERSION_MAJOR)
-#define AVFORMAT_VERSION STRINGIZE(LIBAVFORMAT_VERSION_MAJOR)
-#define AVUTIL_VERSION STRINGIZE(LIBAVUTIL_VERSION_MAJOR)
-
-#if defined(OS_MACOSX)
-// TODO(evan): should be using .so like ffmepgsumo here.
-#define DSO_NAME(MODULE, VERSION) ("lib" MODULE "." VERSION ".dylib")
-static const base::FilePath::CharType kSumoLib[] =
-    FILE_PATH_LITERAL("ffmpegsumo.so");
-#elif defined(OS_POSIX)
-#define DSO_NAME(MODULE, VERSION) ("lib" MODULE ".so." VERSION)
-static const base::FilePath::CharType kSumoLib[] =
-    FILE_PATH_LITERAL("libffmpegsumo.so");
-#else
-#error "Do not know how to construct DSO name for this OS."
-#endif
-
-bool InitializeMediaLibraryInternal(const base::FilePath& module_dir) {
-  StubPathMap paths;
-
-  // First try to initialize with Chrome's sumo library.
-  DCHECK_EQ(kNumStubModules, 1);
-  paths[kModuleFfmpegsumo].push_back(module_dir.Append(kSumoLib).value());
-
-  // If that fails, see if any system libraries are available.
-  paths[kModuleFfmpegsumo].push_back(module_dir.Append(
-      FILE_PATH_LITERAL(DSO_NAME("avutil", AVUTIL_VERSION))).value());
-  paths[kModuleFfmpegsumo].push_back(module_dir.Append(
-      FILE_PATH_LITERAL(DSO_NAME("avcodec", AVCODEC_VERSION))).value());
-  paths[kModuleFfmpegsumo].push_back(module_dir.Append(
-      FILE_PATH_LITERAL(DSO_NAME("avformat", AVFORMAT_VERSION))).value());
-
-  return InitializeStubs(paths);
-}
-
-}  // namespace internal
-}  // namespace media