132 lines
2.8 KiB
C++
132 lines
2.8 KiB
C++
// AUTOGENERATED COPYRIGHT HEADER START
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// Copyright (C) 2020-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
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// Copyright (C) 2022 lainon <GermanAizek@yandex.ru>
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// AUTOGENERATED COPYRIGHT HEADER END
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#include "avframe-queue.hpp"
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#include "tools.hpp"
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using namespace streamfx::ffmpeg;
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std::shared_ptr<AVFrame> avframe_queue::create_frame()
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{
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std::shared_ptr<AVFrame> frame = std::shared_ptr<AVFrame>(av_frame_alloc(), [](AVFrame* frame) {
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av_frame_unref(frame);
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av_frame_free(&frame);
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});
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frame->width = this->_resolution.first;
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frame->height = this->_resolution.second;
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frame->format = this->_format;
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int res = av_frame_get_buffer(frame.get(), 32);
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if (res < 0) {
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throw std::runtime_error(tools::get_error_description(res));
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}
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return frame;
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}
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avframe_queue::avframe_queue() = default;
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avframe_queue::~avframe_queue()
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{
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clear();
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}
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void avframe_queue::set_resolution(int32_t const width, int32_t const height)
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{
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this->_resolution.first = width;
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this->_resolution.second = height;
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}
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void avframe_queue::get_resolution(int32_t& width, int32_t& height)
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{
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width = this->_resolution.first;
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height = this->_resolution.second;
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}
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int32_t avframe_queue::get_width()
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{
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return this->_resolution.first;
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}
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int32_t avframe_queue::get_height()
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{
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return this->_resolution.second;
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}
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void avframe_queue::set_pixel_format(AVPixelFormat const format)
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{
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this->_format = format;
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}
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AVPixelFormat avframe_queue::get_pixel_format()
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{
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return this->_format;
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}
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void avframe_queue::precache(std::size_t count)
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{
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for (std::size_t n = 0; n < count; n++) {
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push(create_frame());
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}
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}
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void avframe_queue::clear()
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{
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std::unique_lock<std::mutex> ulock(this->_lock);
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_frames.clear();
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}
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void avframe_queue::push(std::shared_ptr<AVFrame> const frame)
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{
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std::unique_lock<std::mutex> ulock(this->_lock);
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_frames.push_back(frame);
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}
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std::shared_ptr<AVFrame> avframe_queue::pop()
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{
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std::unique_lock<std::mutex> ulock(this->_lock);
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std::shared_ptr<AVFrame> ret;
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while (ret == nullptr) {
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if (_frames.size() == 0) {
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ret = create_frame();
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} else {
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ret = _frames.front();
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if (ret == nullptr) {
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ret = create_frame();
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} else {
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_frames.pop_front();
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if ((static_cast<int32_t>(ret->width) != this->_resolution.first) || (static_cast<int32_t>(ret->height) != this->_resolution.second) || (ret->format != this->_format)) {
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ret = nullptr;
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}
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}
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}
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}
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return ret;
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}
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std::shared_ptr<AVFrame> avframe_queue::pop_only()
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{
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std::unique_lock<std::mutex> ulock(this->_lock);
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if (_frames.size() == 0) {
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return nullptr;
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}
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std::shared_ptr<AVFrame> ret = _frames.front();
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if (ret == nullptr) {
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return nullptr;
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}
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_frames.pop_front();
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return ret;
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}
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bool avframe_queue::empty()
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{
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return _frames.empty();
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}
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std::size_t avframe_queue::size()
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{
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return _frames.size();
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}
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