93 lines
2.7 KiB
JavaScript
93 lines
2.7 KiB
JavaScript
const details = () => ({
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id: 'Tdarr_Plugin_0000_FFMPEG_Opus_Custom',
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Stage: 'Pre-processing',
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Name: 'FFMPEG Opus Custom',
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Type: 'Audio',
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Operation: 'Transcode',
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Description: '[Contains built-in filter] This plugin transcodes non Opus audio streams into Opus, giving you a basic bitrate control. Video/subtitles not affected. \n\n',
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Version: '1.1',
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Tags: 'pre-processing,ffmpeg,opus,audio only',
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Inputs: [
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{
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name: 'bitrate',
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type: 'string',
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defaultValue: '128k',
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inputUI: {
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type: 'dropdown',
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options: ['16k', '32k', '48k', '64k', '96k', '128k', '192k', '256k', '320k'],
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},
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tooltip: 'Select the audio bitrate to use for the Opus codec.',
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},
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{
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name: 'maxchannels',
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type: 'string',
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defaultValue: 'Stereo',
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inputUI: {
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type: 'dropdown',
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options: ['Mono', 'Stereo', '2.1', 'Quadrophonic', '5.1', '7.1'],
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},
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tooltip: 'Select the maximum number of channels to use for the Opus codec.',
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},
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],
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});
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const plugin = (file, librarySettings, inputs, otherArguments) => {
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const lib = require('../methods/lib')();
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inputs = lib.loadDefaultValues(inputs, details);
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const bitrate = inputs.bitrate ?? '128k';
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const channelMapping = {
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Mono: 1,
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Stereo: 2,
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'2.1': 3,
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Quadrophonic: 4,
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'5.1': 6,
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'7.1': 8,
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};
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const maxchannels = channelMapping[inputs.maxchannels ?? 'Stereo'];
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const is5Point1Side =
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file.ffProbeData.streams.some(
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(s) =>
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s.codec_type === 'audio' &&
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s.channels === 6 &&
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s.channel_layout === '5.1(side)'
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);
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// Workaround to force channel output to 6 if 5.1(side) detected
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const adjustedChannels = is5Point1Side ? 6 : maxchannels;
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const response = {
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processFile: false,
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preset: '',
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container: '.mkv',
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handBrakeMode: false,
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FFmpegMode: false,
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reQueueAfter: false,
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infoLog: '',
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};
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if (file.fileMedium !== 'video') {
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response.processFile = false;
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response.infoLog += '☒File is not a video! \n';
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return response;
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}
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response.infoLog += '☑File is a video! \n';
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if (file.ffProbeData.streams.some((s) => s.codec_name === 'opus')) {
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response.processFile = false;
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response.infoLog += '☑File already has Opus audio codec! \n';
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return response;
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}
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response.processFile = true;
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response.preset = `,-map 0:v -map 0:a -map 0:s? -map 0:d? -c copy -c:a libopus -ac ${adjustedChannels} -compression_level 10 -b:a ${bitrate} -application audio`;
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response.handBrakeMode = false;
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response.FFmpegMode = true;
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response.reQueueAfter = true;
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response.infoLog += '☒File does not have Opus codec! \n';
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return response;
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};
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module.exports.details = details;
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module.exports.plugin = plugin;
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