70 lines
2.4 KiB
JavaScript
70 lines
2.4 KiB
JavaScript
const fs = require('fs-extra');
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const path = require('path');
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const cmd = require('child_process');
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async function deal (basePath) {
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let fileList = fs.readdirSync(basePath);
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for (let i in fileList) {
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let name = fileList[i];
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if (!name.endsWith('.mkv') && !name.endsWith('.mp4')) {
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continue;
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}
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console.log("---------开始处理:" + name);
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let filePath = path.join(basePath, name);
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let res = JSON.parse(cmd.execSync(`ffprobe.exe "${filePath}" -show_streams -select_streams v -show_format -print_format json`, { encoding: 'utf-8' }));
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if (!res.format || !res.streams || res.streams.length == 0) {
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console.log("无法识别的格式：" + JSON.stringify(res));
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continue;
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}
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let isH264 = res.streams.filter(item => item.codec_name === 'h264').length > 0;
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if (!isH264) {
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console.log("非h264,不处理");
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continue;
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}
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let bitRate = res.format.bit_rate;
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if (!bitRate) {
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console.log("未获取到帧率，不处理", JSON.stringify(res));
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continue;
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}
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bitRate = Math.round(parseInt(bitRate) / 1000);
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bitRate = bitRate > 2500 ? 2500 : bitRate;
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let newName;
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if (name.indexOf("h264") > -1) {
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newName = name.replace('h264', 'h265');
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} else if (name.indexOf('H264') > -1) {
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newName = name.replace('H264', 'H265');
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} else {
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let index = name.lastIndexOf('.');
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newName = name.substr(0, index) + ".h265" + name.substr(index);
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}
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let newFilePath = path.join(basePath, newName);
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let cmdStr = `ffmpeg.exe -hwaccel cuda -c:v h264_cuvid -i "${filePath}" -c:v hevc_nvenc -maxrate ${bitRate}K -c:a copy "${newFilePath}"`;
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console.log(cmdStr);
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let changeRes = cmd.execSync(cmdStr, { encoding: 'utf-8' });
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console.log(changeRes);
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if (!fs.existsSync(newFilePath)) {
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console.log("未知错误，文件转换失败");
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return;
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}
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//字幕，nfo文件重命名
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let namePart1 = name.substr(0, name.lastIndexOf('.'));
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let newNamePart1 = newName.substr(0, newName.lastIndexOf('.'));
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fileList.forEach(item => {
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if (item.startsWith(namePart1) && (item.endsWith('.nfo') || item.endsWith('.srt') || item.endsWith('.ass'))) {
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let temp = item.replace(namePart1, newNamePart1);
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if (item != temp) {
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fs.renameSync(path.join(basePath, item), path.join(basePath, temp));
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}
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}
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})
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fs.removeSync(filePath);
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}
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}
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(async () => {
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await deal("Z:/无耻之徒.Shameless.美版/season 09");
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await deal("Z:/无耻之徒.Shameless.美版/season 10");
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await deal("Z:/无耻之徒.Shameless.美版/season 11");
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})();
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