obs-StreamFX/source/ffmpeg/avframe-queue.hpp

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// FFMPEG Video Encoder Integration for OBS Studio
// Copyright (c) 2019 Michael Fabian Dirks <info@xaymar.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
#pragma once
#include "common.hpp"
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#include <deque>
#include <mutex>
extern "C" {
#ifdef _MSC_VER
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#pragma warning(push)
#pragma warning(disable : 4242 4244 4365)
#endif
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#include <libavutil/frame.h>
#ifdef _MSC_VER
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#pragma warning(pop)
#endif
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}
namespace ffmpeg {
class avframe_queue {
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std::deque<std::shared_ptr<AVFrame>> _frames;
std::mutex _lock;
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std::pair<std::int32_t, std::int32_t> _resolution;
AVPixelFormat _format = AV_PIX_FMT_NONE;
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std::shared_ptr<AVFrame> create_frame();
public:
avframe_queue();
~avframe_queue();
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void set_resolution(std::int32_t width, std::int32_t height);
void get_resolution(std::int32_t& width, std::int32_t& height);
std::int32_t get_width();
std::int32_t get_height();
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void set_pixel_format(AVPixelFormat format);
AVPixelFormat get_pixel_format();
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void precache(std::size_t count);
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void clear();
void push(std::shared_ptr<AVFrame> frame);
std::shared_ptr<AVFrame> pop();
std::shared_ptr<AVFrame> pop_only();
bool empty();
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std::size_t size();
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};
} // namespace ffmpeg