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Diffstat (limited to 'media/sfplugin/Codec2Buffer.h')
| -rw-r--r-- | media/sfplugin/Codec2Buffer.h | 403 |
1 files changed, 0 insertions, 403 deletions
diff --git a/media/sfplugin/Codec2Buffer.h b/media/sfplugin/Codec2Buffer.h deleted file mode 100644 index d5d41a4..0000000 --- a/media/sfplugin/Codec2Buffer.h +++ /dev/null @@ -1,403 +0,0 @@ -/* - * Copyright 2017, The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef CODEC2_BUFFER_H_ - -#define CODEC2_BUFFER_H_ - -#include <C2Buffer.h> - -#include <android/hardware/cas/native/1.0/types.h> -#include <binder/IMemory.h> -#include <media/hardware/VideoAPI.h> -#include <media/MediaCodecBuffer.h> -#include <mediadrm/ICrypto.h> - -namespace android { - -/** - * Copies a graphic view into a media image. - * - * \param imgBase base of MediaImage - * \param img MediaImage data - * \param view graphic view - * - * \return OK on success - */ -status_t ImageCopy(uint8_t *imgBase, const MediaImage2 *img, const C2GraphicView &view); - -/** - * Copies a media image into a graphic view. - * - * \param view graphic view - * \param imgBase base of MediaImage - * \param img MediaImage data - * - * \return OK on success - */ -status_t ImageCopy(C2GraphicView &view, const uint8_t *imgBase, const MediaImage2 *img); - -class Codec2Buffer : public MediaCodecBuffer { -public: - using MediaCodecBuffer::MediaCodecBuffer; - ~Codec2Buffer() override = default; - - /** - * \return C2Buffer object represents this buffer. - */ - virtual std::shared_ptr<C2Buffer> asC2Buffer() = 0; - - /** - * Test if we can copy the content of |buffer| into this object. - * - * \param buffer C2Buffer object to copy. - * \return true if the content of buffer can be copied over to this buffer - * false otherwise. - */ - virtual bool canCopy(const std::shared_ptr<C2Buffer> &buffer) const { - (void)buffer; - return false; - } - - /** - * Copy the content of |buffer| into this object. This method assumes that - * canCopy() check already passed. - * - * \param buffer C2Buffer object to copy. - * \return true if successful - * false otherwise. - */ - virtual bool copy(const std::shared_ptr<C2Buffer> &buffer) { - (void)buffer; - return false; - } - -protected: - /** - * canCopy() implementation for linear buffers. - */ - bool canCopyLinear(const std::shared_ptr<C2Buffer> &buffer) const; - - /** - * copy() implementation for linear buffers. - */ - bool copyLinear(const std::shared_ptr<C2Buffer> &buffer); - - /** - * sets MediaImage data for flexible graphic buffers - */ - void setImageData(const sp<ABuffer> &imageData); -}; - -/** - * MediaCodecBuffer implementation on top of local linear buffer. This cannot - * cross process boundary so asC2Buffer() returns only nullptr. - */ -class LocalLinearBuffer : public Codec2Buffer { -public: - using Codec2Buffer::Codec2Buffer; - - std::shared_ptr<C2Buffer> asC2Buffer() override { return nullptr; } - bool canCopy(const std::shared_ptr<C2Buffer> &buffer) const override; - bool copy(const std::shared_ptr<C2Buffer> &buffer) override; -}; - -/** - * MediaCodecBuffer implementation to be used only as a dummy wrapper around a - * C2Buffer object. - */ -class DummyContainerBuffer : public Codec2Buffer { -public: - DummyContainerBuffer( - const sp<AMessage> &format, - const std::shared_ptr<C2Buffer> &buffer = nullptr); - - std::shared_ptr<C2Buffer> asC2Buffer() override; - bool canCopy(const std::shared_ptr<C2Buffer> &buffer) const override; - bool copy(const std::shared_ptr<C2Buffer> &buffer) override; - -private: - std::shared_ptr<C2Buffer> mBufferRef; -}; - -/** - * MediaCodecBuffer implementation wraps around C2LinearBlock. - */ -class LinearBlockBuffer : public Codec2Buffer { -public: - /** - * Allocate a new LinearBufferBlock wrapping around C2LinearBlock object. - * - * \param format mandatory buffer format for MediaCodecBuffer - * \param block C2LinearBlock object to wrap around. - * \return LinearBlockBuffer object with writable mapping. - * nullptr if unsuccessful. - */ - static sp<LinearBlockBuffer> Allocate( - const sp<AMessage> &format, const std::shared_ptr<C2LinearBlock> &block); - - virtual ~LinearBlockBuffer() = default; - - std::shared_ptr<C2Buffer> asC2Buffer() override; - bool canCopy(const std::shared_ptr<C2Buffer> &buffer) const override; - bool copy(const std::shared_ptr<C2Buffer> &buffer) override; - -private: - LinearBlockBuffer( - const sp<AMessage> &format, - C2WriteView &&writeView, - const std::shared_ptr<C2LinearBlock> &block); - LinearBlockBuffer() = delete; - - C2WriteView mWriteView; - std::shared_ptr<C2LinearBlock> mBlock; -}; - -/** - * MediaCodecBuffer implementation wraps around C2ConstLinearBlock. - */ -class ConstLinearBlockBuffer : public Codec2Buffer { -public: - /** - * Allocate a new ConstLinearBlockBuffer wrapping around C2Buffer object. - * - * \param format mandatory buffer format for MediaCodecBuffer - * \param buffer linear C2Buffer object to wrap around. - * \return ConstLinearBlockBuffer object with readable mapping. - * nullptr if unsuccessful. - */ - static sp<ConstLinearBlockBuffer> Allocate( - const sp<AMessage> &format, const std::shared_ptr<C2Buffer> &buffer); - - virtual ~ConstLinearBlockBuffer() = default; - - std::shared_ptr<C2Buffer> asC2Buffer() override; - -private: - ConstLinearBlockBuffer( - const sp<AMessage> &format, - C2ReadView &&readView, - const std::shared_ptr<C2Buffer> &buffer); - ConstLinearBlockBuffer() = delete; - - C2ReadView mReadView; - std::shared_ptr<C2Buffer> mBufferRef; -}; - -/** - * MediaCodecBuffer implementation wraps around C2GraphicBlock. - * - * This object exposes the underlying bits via accessor APIs and "image-data" - * metadata, created automatically at allocation time. - */ -class GraphicBlockBuffer : public Codec2Buffer { -public: - /** - * Allocate a new GraphicBlockBuffer wrapping around C2GraphicBlock object. - * If |block| is not in good color formats, it allocates YV12 local buffer - * and copies the content over at asC2Buffer(). - * - * \param format mandatory buffer format for MediaCodecBuffer - * \param block C2GraphicBlock object to wrap around. - * \param alloc a function to allocate backing ABuffer if needed. - * \return GraphicBlockBuffer object with writable mapping. - * nullptr if unsuccessful. - */ - static sp<GraphicBlockBuffer> Allocate( - const sp<AMessage> &format, - const std::shared_ptr<C2GraphicBlock> &block, - std::function<sp<ABuffer>(size_t)> alloc); - - std::shared_ptr<C2Buffer> asC2Buffer() override; - - virtual ~GraphicBlockBuffer() = default; - -private: - GraphicBlockBuffer( - const sp<AMessage> &format, - const sp<ABuffer> &buffer, - C2GraphicView &&view, - const std::shared_ptr<C2GraphicBlock> &block, - const sp<ABuffer> &imageData, - bool wrapped); - GraphicBlockBuffer() = delete; - - inline MediaImage2 *imageData() { return (MediaImage2 *)mImageData->data(); } - - C2GraphicView mView; - std::shared_ptr<C2GraphicBlock> mBlock; - sp<ABuffer> mImageData; - const bool mWrapped; -}; - -/** - * MediaCodecBuffer implementation wraps around VideoNativeMetadata. - */ -class GraphicMetadataBuffer : public Codec2Buffer { -public: - /** - * Construct a new GraphicMetadataBuffer with local linear buffer for - * VideoNativeMetadata. - * - * \param format mandatory buffer format for MediaCodecBuffer - */ - GraphicMetadataBuffer( - const sp<AMessage> &format, const std::shared_ptr<C2Allocator> &alloc); - - std::shared_ptr<C2Buffer> asC2Buffer() override; - - virtual ~GraphicMetadataBuffer() = default; - -private: - GraphicMetadataBuffer() = delete; - - std::shared_ptr<C2Allocator> mAlloc; -}; - -/** - * MediaCodecBuffer implementation wraps around graphic C2Buffer object. - * - * This object exposes the underlying bits via accessor APIs and "image-data" - * metadata, created automatically at allocation time. - */ -class ConstGraphicBlockBuffer : public Codec2Buffer { -public: - /** - * Allocate a new ConstGraphicBlockBuffer wrapping around C2Buffer object. - * If |buffer| is not in good color formats, it allocates YV12 local buffer - * and copies the content of |buffer| over to expose. - * - * \param format mandatory buffer format for MediaCodecBuffer - * \param buffer graphic C2Buffer object to wrap around. - * \param alloc a function to allocate backing ABuffer if needed. - * \return ConstGraphicBlockBuffer object with readable mapping. - * nullptr if unsuccessful. - */ - static sp<ConstGraphicBlockBuffer> Allocate( - const sp<AMessage> &format, - const std::shared_ptr<C2Buffer> &buffer, - std::function<sp<ABuffer>(size_t)> alloc); - - /** - * Allocate a new ConstGraphicBlockBuffer which allocates YV12 local buffer - * and copies the content of |buffer| over to expose. - * - * \param format mandatory buffer format for MediaCodecBuffer - * \param alloc a function to allocate backing ABuffer if needed. - * \return ConstGraphicBlockBuffer object with no wrapping buffer. - */ - static sp<ConstGraphicBlockBuffer> AllocateEmpty( - const sp<AMessage> &format, - std::function<sp<ABuffer>(size_t)> alloc); - - std::shared_ptr<C2Buffer> asC2Buffer() override; - bool canCopy(const std::shared_ptr<C2Buffer> &buffer) const override; - bool copy(const std::shared_ptr<C2Buffer> &buffer) override; - - virtual ~ConstGraphicBlockBuffer() = default; - -private: - ConstGraphicBlockBuffer( - const sp<AMessage> &format, - const sp<ABuffer> &aBuffer, - std::unique_ptr<const C2GraphicView> &&view, - const std::shared_ptr<C2Buffer> &buffer, - const sp<ABuffer> &imageData, - bool wrapped); - ConstGraphicBlockBuffer() = delete; - - sp<ABuffer> mImageData; - std::unique_ptr<const C2GraphicView> mView; - std::shared_ptr<C2Buffer> mBufferRef; - const bool mWrapped; -}; - -/** - * MediaCodecBuffer implementation wraps around C2LinearBlock for component - * and IMemory for client. Underlying C2LinearBlock won't be mapped for secure - * usecases.. - */ -class EncryptedLinearBlockBuffer : public Codec2Buffer { -public: - /** - * Construct a new EncryptedLinearBufferBlock wrapping around C2LinearBlock - * object and writable IMemory region. - * - * \param format mandatory buffer format for MediaCodecBuffer - * \param block C2LinearBlock object to wrap around. - * \param memory IMemory object to store encrypted content. - * \param heapSeqNum Heap sequence number from ICrypto; -1 if N/A - */ - EncryptedLinearBlockBuffer( - const sp<AMessage> &format, - const std::shared_ptr<C2LinearBlock> &block, - const sp<IMemory> &memory, - int32_t heapSeqNum = -1); - EncryptedLinearBlockBuffer() = delete; - - virtual ~EncryptedLinearBlockBuffer() = default; - - std::shared_ptr<C2Buffer> asC2Buffer() override; - - /** - * Fill the source buffer structure with appropriate value based on - * internal IMemory object. - * - * \param source source buffer structure to fill. - */ - void fillSourceBuffer(ICrypto::SourceBuffer *source); - void fillSourceBuffer( - hardware::cas::native::V1_0::SharedBuffer *source); - - /** - * Copy the content of |decrypted| into C2LinearBlock inside. This shall - * only be called in non-secure usecases. - * - * \param decrypted decrypted content to copy from. - * \param length length of the content - * \return true if successful - * false otherwise. - */ - bool copyDecryptedContent(const sp<IMemory> &decrypted, size_t length); - - /** - * Copy the content of internal IMemory object into C2LinearBlock inside. - * This shall only be called in non-secure usecases. - * - * \param length length of the content - * \return true if successful - * false otherwise. - */ - bool copyDecryptedContentFromMemory(size_t length); - - /** - * Return native handle of secure buffer understood by ICrypto. - * - * \return secure buffer handle - */ - native_handle_t *handle() const; - -private: - - std::shared_ptr<C2LinearBlock> mBlock; - sp<IMemory> mMemory; - sp<hardware::HidlMemory> mHidlMemory; - int32_t mHeapSeqNum; -}; - -} // namespace android - -#endif // CODEC2_BUFFER_H_ |