74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
/*
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* Copyright 2020 The libgav1 Authors
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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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*/
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#ifndef LIBGAV1_EXAMPLES_GAV1_DECODE_CV_PIXEL_BUFFER_POOL_H_
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#define LIBGAV1_EXAMPLES_GAV1_DECODE_CV_PIXEL_BUFFER_POOL_H_
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#include <CoreVideo/CoreVideo.h>
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#include <cstddef>
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#include <memory>
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#include "gav1/frame_buffer.h"
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extern "C" libgav1::StatusCode Gav1DecodeOnCVPixelBufferSizeChanged(
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void* callback_private_data, int bitdepth,
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libgav1::ImageFormat image_format, int width, int height, int left_border,
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int right_border, int top_border, int bottom_border, int stride_alignment);
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extern "C" libgav1::StatusCode Gav1DecodeGetCVPixelBuffer(
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void* callback_private_data, int bitdepth,
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libgav1::ImageFormat image_format, int width, int height, int left_border,
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int right_border, int top_border, int bottom_border, int stride_alignment,
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libgav1::FrameBuffer* frame_buffer);
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extern "C" void Gav1DecodeReleaseCVPixelBuffer(void* callback_private_data,
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void* buffer_private_data);
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class Gav1DecodeCVPixelBufferPool {
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public:
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static std::unique_ptr<Gav1DecodeCVPixelBufferPool> Create(
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size_t num_buffers);
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// Not copyable or movable.
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Gav1DecodeCVPixelBufferPool(const Gav1DecodeCVPixelBufferPool&) = delete;
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Gav1DecodeCVPixelBufferPool& operator=(const Gav1DecodeCVPixelBufferPool&) =
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delete;
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~Gav1DecodeCVPixelBufferPool();
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libgav1::StatusCode OnCVPixelBufferSizeChanged(
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int bitdepth, libgav1::ImageFormat image_format, int width, int height,
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int left_border, int right_border, int top_border, int bottom_border,
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int stride_alignment);
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libgav1::StatusCode GetCVPixelBuffer(int bitdepth,
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libgav1::ImageFormat image_format,
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int width, int height, int left_border,
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int right_border, int top_border,
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int bottom_border, int stride_alignment,
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libgav1::FrameBuffer* frame_buffer);
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void ReleaseCVPixelBuffer(void* buffer_private_data);
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private:
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Gav1DecodeCVPixelBufferPool(size_t num_buffers);
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CVPixelBufferPoolRef pool_ = nullptr;
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const int num_buffers_;
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};
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#endif // LIBGAV1_EXAMPLES_GAV1_DECODE_CV_PIXEL_BUFFER_POOL_H_
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