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Diffstat (limited to 'media/base/media_posix.cc')
-rw-r--r-- | media/base/media_posix.cc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/media/base/media_posix.cc b/media/base/media_posix.cc new file mode 100644 index 0000000..f8f0c99 --- /dev/null +++ b/media/base/media_posix.cc @@ -0,0 +1,66 @@ +// 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 |