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Diffstat (limited to 'chromium/base/android/android_image_reader_compat.h')
-rw-r--r-- | chromium/base/android/android_image_reader_compat.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/chromium/base/android/android_image_reader_compat.h b/chromium/base/android/android_image_reader_compat.h new file mode 100644 index 00000000000..bef2ae10323 --- /dev/null +++ b/chromium/base/android/android_image_reader_compat.h @@ -0,0 +1,89 @@ +// Copyright 2018 The Chromium Authors +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef BASE_ANDROID_ANDROID_IMAGE_READER_COMPAT_H_ +#define BASE_ANDROID_ANDROID_IMAGE_READER_COMPAT_H_ + +#include "base/android/android_image_reader_abi.h" +#include "base/base_export.h" +#include "base/no_destructor.h" + +namespace base { +namespace android { + +// This class provides runtime support for working with AImage, AImageReader and +// ANativeWindow objects on Android O systems without requiring building for the +// Android O NDK level. Don't call GetInstance() unless IsSupported() returns +// true. +class BASE_EXPORT AndroidImageReader { + public: + // Thread safe GetInstance. + static AndroidImageReader& GetInstance(); + + AndroidImageReader(const AndroidImageReader&) = delete; + AndroidImageReader& operator=(const AndroidImageReader&) = delete; + + // Check if the image reader usage is supported. This function returns TRUE + // if android version is >=OREO, image reader support is not disabled and all + // the required functions are loaded. + bool IsSupported(); + + // Naming convention of all the below functions are chosen to exactly match + // the function names in the NDK. + void AImage_delete(AImage* image); + void AImage_deleteAsync(AImage* image, int releaseFenceFd); + media_status_t AImage_getHardwareBuffer(const AImage* image, + AHardwareBuffer** buffer); + media_status_t AImage_getWidth(const AImage* image, int32_t* width); + media_status_t AImage_getHeight(const AImage* image, int32_t* height); + media_status_t AImage_getCropRect(const AImage* image, AImageCropRect* rect); + media_status_t AImageReader_newWithUsage(int32_t width, + int32_t height, + int32_t format, + uint64_t usage, + int32_t maxImages, + AImageReader** reader); + media_status_t AImageReader_setImageListener( + AImageReader* reader, + AImageReader_ImageListener* listener); + void AImageReader_delete(AImageReader* reader); + media_status_t AImageReader_getFormat(const AImageReader* reader, + int32_t* format); + media_status_t AImageReader_getWindow(AImageReader* reader, + ANativeWindow** window); + media_status_t AImageReader_acquireLatestImageAsync(AImageReader* reader, + AImage** image, + int* acquireFenceFd); + media_status_t AImageReader_acquireNextImageAsync(AImageReader* reader, + AImage** image, + int* acquireFenceFd); + jobject ANativeWindow_toSurface(JNIEnv* env, ANativeWindow* window); + + private: + friend class base::NoDestructor<AndroidImageReader>; + + AndroidImageReader(); + bool LoadFunctions(); + + const bool is_supported_; + pAImage_delete AImage_delete_; + pAImage_deleteAsync AImage_deleteAsync_; + pAImage_getHardwareBuffer AImage_getHardwareBuffer_; + pAImage_getWidth AImage_getWidth_; + pAImage_getHeight AImage_getHeight_; + pAImage_getCropRect AImage_getCropRect_; + pAImageReader_newWithUsage AImageReader_newWithUsage_; + pAImageReader_setImageListener AImageReader_setImageListener_; + pAImageReader_delete AImageReader_delete_; + pAImageReader_getFormat AImageReader_getFormat_; + pAImageReader_getWindow AImageReader_getWindow_; + pAImageReader_acquireLatestImageAsync AImageReader_acquireLatestImageAsync_; + pAImageReader_acquireNextImageAsync AImageReader_acquireNextImageAsync_; + pANativeWindow_toSurface ANativeWindow_toSurface_; +}; + +} // namespace android +} // namespace base + +#endif // BASE_ANDROID_ANDROID_IMAGE_READER_COMPAT_H_ |