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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "media/base/media.h" | 5 #include "media/base/media.h" |
| 6 | 6 |
| 7 #include <string> | 7 #include <string> |
| 8 | 8 |
| 9 #include "base/file_path.h" | 9 #include "base/file_path.h" |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| (...skipping 19 matching lines...) Expand all Loading... |
| 30 #error FFmpeg headers not included! | 30 #error FFmpeg headers not included! |
| 31 #endif | 31 #endif |
| 32 | 32 |
| 33 #define AVCODEC_VERSION STRINGIZE(LIBAVCODEC_VERSION_MAJOR) | 33 #define AVCODEC_VERSION STRINGIZE(LIBAVCODEC_VERSION_MAJOR) |
| 34 #define AVFORMAT_VERSION STRINGIZE(LIBAVFORMAT_VERSION_MAJOR) | 34 #define AVFORMAT_VERSION STRINGIZE(LIBAVFORMAT_VERSION_MAJOR) |
| 35 #define AVUTIL_VERSION STRINGIZE(LIBAVUTIL_VERSION_MAJOR) | 35 #define AVUTIL_VERSION STRINGIZE(LIBAVUTIL_VERSION_MAJOR) |
| 36 | 36 |
| 37 #if defined(OS_MACOSX) | 37 #if defined(OS_MACOSX) |
| 38 // TODO(evan): should be using .so like ffmepgsumo here. | 38 // TODO(evan): should be using .so like ffmepgsumo here. |
| 39 #define DSO_NAME(MODULE, VERSION) ("lib" MODULE "." VERSION ".dylib") | 39 #define DSO_NAME(MODULE, VERSION) ("lib" MODULE "." VERSION ".dylib") |
| 40 static const FilePath::CharType kSumoLib[] = | 40 static const base::FilePath::CharType kSumoLib[] = |
| 41 FILE_PATH_LITERAL("ffmpegsumo.so"); | 41 FILE_PATH_LITERAL("ffmpegsumo.so"); |
| 42 #elif defined(OS_POSIX) | 42 #elif defined(OS_POSIX) |
| 43 #define DSO_NAME(MODULE, VERSION) ("lib" MODULE ".so." VERSION) | 43 #define DSO_NAME(MODULE, VERSION) ("lib" MODULE ".so." VERSION) |
| 44 static const FilePath::CharType kSumoLib[] = | 44 static const base::FilePath::CharType kSumoLib[] = |
| 45 FILE_PATH_LITERAL("libffmpegsumo.so"); | 45 FILE_PATH_LITERAL("libffmpegsumo.so"); |
| 46 #else | 46 #else |
| 47 #error "Do not know how to construct DSO name for this OS." | 47 #error "Do not know how to construct DSO name for this OS." |
| 48 #endif | 48 #endif |
| 49 | 49 |
| 50 // Use a global to indicate whether the library has been initialized or not. We | 50 // Use a global to indicate whether the library has been initialized or not. We |
| 51 // rely on function level static initialization in InitializeMediaLibrary() to | 51 // rely on function level static initialization in InitializeMediaLibrary() to |
| 52 // guarantee this is only set once in a thread safe manner. | 52 // guarantee this is only set once in a thread safe manner. |
| 53 static bool g_media_library_is_initialized = false; | 53 static bool g_media_library_is_initialized = false; |
| 54 | 54 |
| 55 static bool InitializeMediaLibraryInternal(const FilePath& module_dir) { | 55 static bool InitializeMediaLibraryInternal(const base::FilePath& module_dir) { |
| 56 DCHECK(!g_media_library_is_initialized); | 56 DCHECK(!g_media_library_is_initialized); |
| 57 | 57 |
| 58 #if defined(USE_SYSTEM_FFMPEG) | 58 #if defined(USE_SYSTEM_FFMPEG) |
| 59 // No initialization is necessary when using system ffmpeg, | 59 // No initialization is necessary when using system ffmpeg, |
| 60 // we just link directly with system ffmpeg libraries. | 60 // we just link directly with system ffmpeg libraries. |
| 61 g_media_library_is_initialized = true; | 61 g_media_library_is_initialized = true; |
| 62 #else | 62 #else |
| 63 StubPathMap paths; | 63 StubPathMap paths; |
| 64 | 64 |
| 65 // First try to initialize with Chrome's sumo library. | 65 // First try to initialize with Chrome's sumo library. |
| 66 DCHECK_EQ(kNumStubModules, 1); | 66 DCHECK_EQ(kNumStubModules, 1); |
| 67 paths[kModuleFfmpegsumo].push_back(module_dir.Append(kSumoLib).value()); | 67 paths[kModuleFfmpegsumo].push_back(module_dir.Append(kSumoLib).value()); |
| 68 | 68 |
| 69 // If that fails, see if any system libraries are available. | 69 // If that fails, see if any system libraries are available. |
| 70 paths[kModuleFfmpegsumo].push_back(module_dir.Append( | 70 paths[kModuleFfmpegsumo].push_back(module_dir.Append( |
| 71 FILE_PATH_LITERAL(DSO_NAME("avutil", AVUTIL_VERSION))).value()); | 71 FILE_PATH_LITERAL(DSO_NAME("avutil", AVUTIL_VERSION))).value()); |
| 72 paths[kModuleFfmpegsumo].push_back(module_dir.Append( | 72 paths[kModuleFfmpegsumo].push_back(module_dir.Append( |
| 73 FILE_PATH_LITERAL(DSO_NAME("avcodec", AVCODEC_VERSION))).value()); | 73 FILE_PATH_LITERAL(DSO_NAME("avcodec", AVCODEC_VERSION))).value()); |
| 74 paths[kModuleFfmpegsumo].push_back(module_dir.Append( | 74 paths[kModuleFfmpegsumo].push_back(module_dir.Append( |
| 75 FILE_PATH_LITERAL(DSO_NAME("avformat", AVFORMAT_VERSION))).value()); | 75 FILE_PATH_LITERAL(DSO_NAME("avformat", AVFORMAT_VERSION))).value()); |
| 76 | 76 |
| 77 g_media_library_is_initialized = InitializeStubs(paths); | 77 g_media_library_is_initialized = InitializeStubs(paths); |
| 78 #endif // !defined(USE_SYSTEM_FFMPEG) | 78 #endif // !defined(USE_SYSTEM_FFMPEG) |
| 79 return g_media_library_is_initialized; | 79 return g_media_library_is_initialized; |
| 80 } | 80 } |
| 81 | 81 |
| 82 bool InitializeMediaLibrary(const FilePath& base_path) { | 82 bool InitializeMediaLibrary(const base::FilePath& base_path) { |
| 83 static const bool kMediaLibraryInitialized = | 83 static const bool kMediaLibraryInitialized = |
| 84 InitializeMediaLibraryInternal(base_path); | 84 InitializeMediaLibraryInternal(base_path); |
| 85 DCHECK_EQ(kMediaLibraryInitialized, g_media_library_is_initialized); | 85 DCHECK_EQ(kMediaLibraryInitialized, g_media_library_is_initialized); |
| 86 return kMediaLibraryInitialized; | 86 return kMediaLibraryInitialized; |
| 87 } | 87 } |
| 88 | 88 |
| 89 void InitializeMediaLibraryForTesting() { | 89 void InitializeMediaLibraryForTesting() { |
| 90 FilePath file_path; | 90 base::FilePath file_path; |
| 91 CHECK(PathService::Get(base::DIR_EXE, &file_path)); | 91 CHECK(PathService::Get(base::DIR_EXE, &file_path)); |
| 92 CHECK(InitializeMediaLibrary(file_path)); | 92 CHECK(InitializeMediaLibrary(file_path)); |
| 93 } | 93 } |
| 94 | 94 |
| 95 bool IsMediaLibraryInitialized() { | 95 bool IsMediaLibraryInitialized() { |
| 96 return g_media_library_is_initialized; | 96 return g_media_library_is_initialized; |
| 97 } | 97 } |
| 98 | 98 |
| 99 } // namespace media | 99 } // namespace media |
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