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add video rendering in Screen

master
Vectozavr 2021-11-12 03:03:21 +07:00
parent 70c4993537
commit 7bf1b33974
1 changed files with 2 additions and 2 deletions
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4
engine/Screen.cpp
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@ -40,7 +40,7 @@ void Screen::display() {
sf::Texture copyTexture; sf::Texture copyTexture;
copyTexture.create(_window->getSize().x, _window->getSize().y); copyTexture.create(_window->getSize().x, _window->getSize().y);
copyTexture.update(*_window); copyTexture.update(*_window);
// most of the time of video rendering is wasting on .png sequence saving // most of the time of video rendering is wasting on saving .png sequence
// that's why we will save all images in the end // that's why we will save all images in the end
// TODO: sometimes we have a huge time delay here for no obvious reason // TODO: sometimes we have a huge time delay here for no obvious reason
_renderSequence.push_back(copyTexture); _renderSequence.push_back(copyTexture);
@ -56,13 +56,13 @@ void Screen::startRender() {
void Screen::stopRender() { void Screen::stopRender() {
if(_renderVideo) { if(_renderVideo) {
int i = 0; int i = 0;
for(; i < _renderSequence.size(); i++) { for(; i < _renderSequence.size(); i++) {
_renderSequence[i].copyToImage().saveToFile("film/png/" + std::to_string(i) + ".png"); _renderSequence[i].copyToImage().saveToFile("film/png/" + std::to_string(i) + ".png");
} }
_renderSequence.clear(); _renderSequence.clear();
// TODO: .png sequence looks better than a final video (poor clarity and desaturated colors)
std::string c = "ffmpeg -stats -r 60 -i film/png/%d.png -vcodec libx264 -crf 1 -pix_fmt yuv420p -frames " + std::to_string(i) + " film/mp4/" + std::to_string(_scene) + "_" + _title + ".mp4"; std::string c = "ffmpeg -stats -r 60 -i film/png/%d.png -vcodec libx264 -crf 1 -pix_fmt yuv420p -frames " + std::to_string(i) + " film/mp4/" + std::to_string(_scene) + "_" + _title + ".mp4";
popen(c.c_str(), "w"); popen(c.c_str(), "w");
_scene++; _scene++;