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