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55 lines
2.0 KiB
55 lines
2.0 KiB
// Copyright 2019 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "host-common/AddressSpaceService.h"
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#include "host-common/address_space_device.h"
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#include "host-common/GoldfishMediaDefs.h"
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#include "host-common/MediaVpxDecoder.h"
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#include "host-common/MediaH264Decoder.h"
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#include <unordered_map>
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namespace android {
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namespace emulation {
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class AddressSpaceHostMediaContext : public AddressSpaceDeviceContext {
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public:
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AddressSpaceHostMediaContext(uint64_t phys_addr, const address_space_device_control_ops* ops, bool fromSnapshot);
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virtual ~AddressSpaceHostMediaContext();
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void perform(AddressSpaceDevicePingInfo *info) override;
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AddressSpaceDeviceType getDeviceType() const override;
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void save(base::Stream* stream) const override;
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bool load(base::Stream* stream) override;
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private:
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void allocatePages(uint64_t phys_addr, int num_pages);
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void deallocatePages(uint64_t phys_addr, int num_pages);
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void handleMediaRequest(AddressSpaceDevicePingInfo *info);
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static MediaCodecType getMediaCodecType(uint64_t metadata);
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static MediaOperation getMediaOperation(uint64_t metadata);
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static constexpr int kAlignment = 4096;
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static constexpr int kNumPages = 1 + 4096 * 2; // 32M + 4k
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std::unique_ptr<MediaVpxDecoder> mVpxDecoder;
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std::unique_ptr<MediaH264Decoder> mH264Decoder;
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void* mHostBuffer = nullptr;
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const address_space_device_control_ops* mControlOps = 0;
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uint64_t mGuestAddr = 0;
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};
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} // namespace emulation
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} // namespace android
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