// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef ANDROID_C2_VDA_ADAPTOR_H
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#define ANDROID_C2_VDA_ADAPTOR_H
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#include <VideoDecodeAcceleratorAdaptor.h>
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#include <video_decode_accelerator.h>
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#include <base/macros.h>
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namespace android {
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// This class translates adaptor API to media::VideoDecodeAccelerator API to make communication
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// between Codec 2.0 VDA component and VDA.
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class C2VDAAdaptor : public VideoDecodeAcceleratorAdaptor,
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public media::VideoDecodeAccelerator::Client {
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public:
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C2VDAAdaptor();
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~C2VDAAdaptor() override;
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// Implementation of the VideoDecodeAcceleratorAdaptor interface.
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Result initialize(media::VideoCodecProfile profile, bool secureMode,
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VideoDecodeAcceleratorAdaptor::Client* client) override;
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void decode(int32_t bitstreamId, int handleFd, off_t offset, uint32_t bytesUsed) override;
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void assignPictureBuffers(uint32_t numOutputBuffers) override;
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void importBufferForPicture(int32_t pictureBufferId, HalPixelFormat format, int handleFd,
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const std::vector<VideoFramePlane>& planes) override;
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void reusePictureBuffer(int32_t pictureBufferId) override;
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void flush() override;
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void reset() override;
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void destroy() override;
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static media::VideoDecodeAccelerator::SupportedProfiles GetSupportedProfiles(
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InputCodec inputCodec);
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// Implementation of the media::VideoDecodeAccelerator::Client interface.
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void ProvidePictureBuffers(uint32_t requested_num_of_buffers,
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media::VideoPixelFormat output_format,
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const media::Size& dimensions) override;
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void DismissPictureBuffer(int32_t picture_buffer_id) override;
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void PictureReady(const media::Picture& picture) override;
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void NotifyEndOfBitstreamBuffer(int32_t bitstream_buffer_id) override;
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void NotifyFlushDone() override;
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void NotifyResetDone() override;
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void NotifyError(media::VideoDecodeAccelerator::Error error) override;
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private:
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std::unique_ptr<media::VideoDecodeAccelerator> mVDA;
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VideoDecodeAcceleratorAdaptor::Client* mClient;
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// The number of allocated output buffers. This is obtained from assignPictureBuffers call from
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// client, and used to check validity of picture id in importBufferForPicture and
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// reusePictureBuffer.
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uint32_t mNumOutputBuffers;
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// The picture size for creating picture buffers. This is obtained while VDA calls
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// ProvidePictureBuffers.
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media::Size mPictureSize;
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DISALLOW_COPY_AND_ASSIGN(C2VDAAdaptor);
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};
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} // namespace android
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#endif // ANDROID_C2_VDA_ADAPTOR_H
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