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fix hw media decoding for < 10.8 systems (central)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | ||
| /* vim:set ts=2 sw=2 sts=2 et cindent: */ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| // Construct references to each of the CoreMedia symbols we use. | ||
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| LINK_FUNC(CMVideoFormatDescriptionCreate) | ||
| LINK_FUNC(CMBlockBufferCreateWithMemoryBlock) | ||
| LINK_FUNC(CMSampleBufferCreate) | ||
| LINK_FUNC(CMTimeMake) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | ||
| /* vim:set ts=2 sw=2 sts=2 et cindent: */ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| #include <dlfcn.h> | ||
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| #include "AppleCMLinker.h" | ||
| #include "MainThreadUtils.h" | ||
| #include "nsDebug.h" | ||
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| #ifdef PR_LOGGING | ||
| PRLogModuleInfo* GetAppleMediaLog(); | ||
| #define LOG(...) PR_LOG(GetAppleMediaLog(), PR_LOG_DEBUG, (__VA_ARGS__)) | ||
| #else | ||
| #define LOG(...) | ||
| #endif | ||
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| namespace mozilla { | ||
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| AppleCMLinker::LinkStatus | ||
| AppleCMLinker::sLinkStatus = LinkStatus_INIT; | ||
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| void* AppleCMLinker::sLink = nullptr; | ||
| nsrefcnt AppleCMLinker::sRefCount = 0; | ||
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| #define LINK_FUNC(func) typeof(func) func; | ||
| #include "AppleCMFunctions.h" | ||
| #undef LINK_FUNC | ||
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| /* static */ bool | ||
| AppleCMLinker::Link() | ||
| { | ||
| // Bump our reference count every time we're called. | ||
| // Add a lock or change the thread assertion if | ||
| // you need to call this off the main thread. | ||
| MOZ_ASSERT(NS_IsMainThread()); | ||
| ++sRefCount; | ||
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| if (sLinkStatus) { | ||
| return sLinkStatus == LinkStatus_SUCCEEDED; | ||
| } | ||
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| const char* dlname = | ||
| "/System/Library/Frameworks/CoreMedia.framework/CoreMedia"; | ||
| if (!(sLink = dlopen(dlname, RTLD_NOW | RTLD_LOCAL))) { | ||
| NS_WARNING("Couldn't load CoreMedia framework"); | ||
| goto fail; | ||
| } | ||
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| #define LINK_FUNC(func) \ | ||
| func = (typeof(func))dlsym(sLink, #func); \ | ||
| if (!func) { \ | ||
| NS_WARNING("Couldn't load CoreMedia function " #func ); \ | ||
| goto fail; \ | ||
| } | ||
| #include "AppleCMFunctions.h" | ||
| #undef LINK_FUNC | ||
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| LOG("Loaded CoreMedia framework."); | ||
| sLinkStatus = LinkStatus_SUCCEEDED; | ||
| return true; | ||
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| fail: | ||
| Unlink(); | ||
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| sLinkStatus = LinkStatus_FAILED; | ||
| return false; | ||
| } | ||
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| /* static */ void | ||
| AppleCMLinker::Unlink() | ||
| { | ||
| MOZ_ASSERT(NS_IsMainThread()); | ||
| MOZ_ASSERT(sRefCount > 0, "Unbalanced Unlink()"); | ||
| --sRefCount; | ||
| if (sLink && sRefCount < 1) { | ||
| LOG("Unlinking CoreMedia framework."); | ||
| dlclose(sLink); | ||
| sLink = nullptr; | ||
| } | ||
| } | ||
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| } // namespace mozilla |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | ||
| /* vim:set ts=2 sw=2 sts=2 et cindent: */ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| #ifndef AppleCMLinker_h | ||
| #define AppleCMLinker_h | ||
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| extern "C" { | ||
| #pragma GCC visibility push(default) | ||
| #include <CoreMedia/CoreMedia.h> | ||
| #pragma GCC visibility pop | ||
| } | ||
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| #include "nscore.h" | ||
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| namespace mozilla { | ||
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| class AppleCMLinker | ||
| { | ||
| public: | ||
| static bool Link(); | ||
| static void Unlink(); | ||
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| private: | ||
| static void* sLink; | ||
| static nsrefcnt sRefCount; | ||
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| static enum LinkStatus { | ||
| LinkStatus_INIT = 0, | ||
| LinkStatus_FAILED, | ||
| LinkStatus_SUCCEEDED | ||
| } sLinkStatus; | ||
| }; | ||
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| #define LINK_FUNC(func) extern typeof(func)* func; | ||
| #include "AppleCMFunctions.h" | ||
| #undef LINK_FUNC | ||
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| } // namespace mozilla | ||
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| #endif // AppleCMLinker_h |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | ||
| /* vim:set ts=2 sw=2 sts=2 et cindent: */ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this | ||
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| // Construct references to each of the VDA symbols we use. | ||
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| LINK_FUNC(VDADecoderCreate) | ||
| LINK_FUNC(VDADecoderDecode) | ||
| LINK_FUNC(VDADecoderFlush) | ||
| LINK_FUNC(VDADecoderDestroy) |
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