Method resolveVideoQuality

Telegram/SourceFiles/data/data_document.cpp:611–642

}

int DocumentData::resolveVideoQuality() const {
	if (const auto data = video()) {
		if (!data->realVideoSize.isEmpty()) {
			const auto size = data->realVideoSize;
			return std::min(size.width(), size.height());
		}
		const auto attributesSize = isVideoFile() ? dimensions : QSize();
		const auto attributesQuality = attributesSize.isEmpty()
			? 0
			: std::min(attributesSize.width(), attributesSize.height());
		if (!data->qualities.empty()) {
			auto transcodeMax = 0;
			for (const auto &quality : data->qualities) {
				if (quality != this) {
					const auto qres = quality->resolveVideoQuality();
					if (qres > transcodeMax) {
						transcodeMax = qres;
					}
				}
			}
			if (transcodeMax > 0) {
				return ResolveAttributeVsTranscodeQuality(
					attributesQuality,
					transcodeMax);
			}
		}
	}
	const auto attributesSize = isVideoFile() ? dimensions : QSize();
	return attributesSize.isEmpty()
		? 0
		: std::min(attributesSize.width(), attributesSize.height());
}

int DocumentData::resolveOriginalVideoQuality() const {
	if (const auto data = video()) {