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90 lines
2.7 KiB
90 lines
2.7 KiB
// Copyright (C) 2020 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/MediaSnapshotState.h"
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#include "host-common/MediaVideoHelper.h"
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#include <cstdint>
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#include <list>
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#include <memory>
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#include <mutex>
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#include <string>
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#include <vector>
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extern "C" {
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#include "vpx/vp8dx.h"
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#include "vpx/vpx_codec.h"
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#include "vpx/vpx_decoder.h"
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#include "vpx/vpx_image.h"
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}
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#include <stdio.h>
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#include <string.h>
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#include <stddef.h>
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namespace android {
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namespace emulation {
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class MediaVpxVideoHelper : public MediaVideoHelper {
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public:
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MediaVpxVideoHelper(int type, int threads);
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~MediaVpxVideoHelper() override;
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// return true if success; false otherwise
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bool init() override;
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void decode(const uint8_t* frame,
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size_t szBytes,
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uint64_t inputPts) override;
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void flush() override;
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void deInit() override;
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private:
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int mType = 0;
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int mThreadCount = 1;
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// vpx stuff
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std::unique_ptr<vpx_codec_ctx_t> mCtx;
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// Owned by the vpx context. Needs to be initialized to nullptr on the first
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// vpx_codec_get_frame() call.
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vpx_codec_iter_t mIter = nullptr;
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// Owned by the vpx context. mImg is set when calling vpx_codec_get_frame().
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// mImg remains valid until the next vpx_codec_decode() is called.
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vpx_image_t* mImg = nullptr;
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void fetchAllFrames();
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// helper methods
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void copyImgToGuest(vpx_image_t* mImg, std::vector<uint8_t>& byteBuffer);
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void copyYV12FrameToOutputBuffer(size_t outputBufferWidth,
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size_t outputBufferHeight,
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size_t imgWidth,
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size_t imgHeight,
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int32_t bpp,
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uint8_t* dst,
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const uint8_t* srcY,
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const uint8_t* srcU,
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const uint8_t* srcV,
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size_t srcYStride,
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size_t srcUStride,
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size_t srcVStride);
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}; // MediaVpxVideoHelper
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} // namespace emulation
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} // namespace android
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