class TranscodeTemplates { static videoCodecs = [ { name: "DNxHD", videoCodec: "dnxhd", flavours: [ { name: "1080p DNxHD 36", bitrate: "36000", pixelFormat: "yuv422p", size: "1920x1080", frameRates: [24, 25, 30], }, { name: "1080p DNxHD 145", bitrate: "145000", pixelFormat: "yuv422p", size: "1920x1080", frameRates: [24, 25, 30], }, { name: "1080p DNxHD 220", bitrate: "220000", pixelFormat: "yuv422p", size: "1920x1080", frameRates: [24, 25, 30], }, ], containers: [ { name: "Media Exchange Format", extension: "mxf", audioCodecs: ["pcm_s16le", "pcm_s24le", "pcm_s32le"], audioBitrates: [128, 192, 256, 512], audioChannels: [1, 2, 3, 6, 8, 12], }, { name: "Quicktime", extension: "mov", audioCodecs: ["pcm_s16le", "pcm_s24le", "pcm_s32le"], audioBitrates: [128, 192, 256, 512], audioChannels: [1, 2, 3, 6, 8, 12], }, ], }, { name: "ProRes", videoCodec: "prores_ks", flavours: [ { name: "1080p ProRes 422", bitrate: "122000", pixelFormat: "yuv422p", size: "1920x1080", frameRates: [23.97, 24, 25, 30, 48, 50], }, { name: "1080p ProRes 4444", bitrate: "275000", pixelFormat: "yuv444p", size: "1920x1080", frameRates: [23.97, 24, 25, 30, 48, 50], }, { name: "4K ProRes 422", bitrate: "492000", pixelFormat: "yuv422p", size: "3840x2160", frameRates: [23.97, 24, 25, 30, 48, 50], }, { name: "4K ProRes 4444", bitrate: "1106000", pixelFormat: "yuv444p", size: "3840x2160", frameRates: [23.97, 24, 25, 30, 48, 60, 120, 240], }, ], containers: [ { name: "Quicktime", extension: "mov", audioCodecs: ["pcm_s16le", "pcm_s24le", "pcm_s32le"], audioBitrates: [128, 192, 256, 512], audioChannels: [1, 2, 3, 6, 8], }, ], }, { name: "H.264", videoCodec: "h264_videotoolbox", //"libx264", flavours: [ { name: "720p H.264", bitrate: "2000", pixelFormat: "yuv420p", size: "1280x720", frameRates: [23.97, 24, 25, 30, 48, 50, 60], }, { name: "1080p H.264", bitrate: "8000", pixelFormat: "yuv420p", size: "1920x1080", frameRates: [23.97, 24, 25, 30, 48, 50, 60], }, { name: "4K H.264", bitrate: "20000", pixelFormat: "yuv420p", size: "3840x2160", frameRates: [23.97, 24, 25, 30, 48, 50, 60], }, { name: "Lossless 1080p", bitrate: "0", pixelFormat: "yuv444p", size: "1920x1080", frameRates: [23.97, 24, 25, 30, 48, 50, 60], }, { name: "Lossless 4K", bitrate: "0", pixelFormat: "yuv444p", size: "3840x2160", frameRates: [23.97, 24, 25, 30, 48, 50, 60], }, ], containers: [ { name: "MP4", extension: "mp4", audioCodecs: ["pcm_s16le", "pcm_s24le", "pcm_s32le"], audioBitrates: [128, 192, 256, 512], audioChannels: [1, 2, 3, 6, 8, 12], }, { name: "Quicktime", extension: "mov", audioCodecs: ["pcm_s16le", "pcm_s24le", "pcm_s32le"], audioBitrates: [128, 192, 256, 512], audioChannels: [1, 2, 3, 6, 8, 12], }, ], }, ]; static audioCodecs = [ { name: "PCM 16-bit", codec: "pcm_s16le", extension: "wav", }, { name: "PCM 24-bit", codec: "pcm_s24le", extension: "wav", }, { name: "PCM 32-bit", codec: "pcm_s32le", extension: "wav", }, { name: "AAC", codec: "libfdk_aac", extension: "aac", }, ]; static audioChannels = [ { name: "Mono", channels: 1, }, { name: "Stereo", channels: 2, }, { name: "2.1", channels: 3, }, { name: "5.1", channels: 6, }, { name: "7.1", channels: 8, }, { name: "Dolby Atmos", channels: 12, }, ]; /** * Returns a usable template for transcoding * * @param codec {string} Codec name * @param frameRate {number} Frame rate * @param flavour {string} Flavour name * @param container {string} Container name * @param audioCodec {string} Audio codec name * @param audioBitrate {number} Audio bitrate * @param channels {number} Number of audio channels * @returns {{videoBitrate: *, extension, pixelFormat: (string|*), audioChannels, width: string, fps, audioCodec: *, audioBitrate: string, height: string, videoCodec: (string|*)}} */ static get(codec, frameRate, flavour, container, audioCodec, audioBitrate, channels) { let template = TranscodeTemplates.videoCodecs.find((c) => c.name === codec); if (!template) throw new Error("Codec not found"); let flavourTemplate = template.flavours.find((f) => f.name === flavour); if (!flavourTemplate) throw new Error("Flavour not found"); if (!flavourTemplate.frameRates.includes(frameRate)) throw new Error("Frame rate not supported"); let audioCodecTemplate = TranscodeTemplates.audioCodecs.find((c) => c.name === audioCodec); if (!audioCodecTemplate) throw new Error("Audio codec not found"); const containerTemplate = template.containers.find((c) => c.name === container); if (!containerTemplate) throw new Error("Container not found"); if (!containerTemplate.audioBitrates.includes(audioBitrate)) throw new Error("Audio bitrate not supported"); if (channels < 1) throw new Error("Invalid number of channels"); return { width: flavourTemplate.size.split("x")[0], height: flavourTemplate.size.split("x")[1], videoCodec: template.videoCodec, videoBitrate: flavourTemplate.bitrate, pixelFormat: flavourTemplate.pixelFormat, fps: frameRate, audioCodec: audioCodecTemplate.codec, audioBitrate: audioBitrate + "k", audioChannels: channels, extension: containerTemplate.extension, }; } static getCodec(codec) { return TranscodeTemplates.videoCodecs.find((c) => c.name === codec); } static getAvailableCodecs() { return TranscodeTemplates.videoCodecs; } static getAvailableContainers(codec) { const codecTemplate = TranscodeTemplates.getCodec(codec); if (!codecTemplate) throw new Error("Codec not found"); //for each container map the audio codecs return codecTemplate.containers.map((c) => { return { ...c, audioCodecs: TranscodeTemplates.mapAudioCodecs(c), audioChannels: TranscodeTemplates.mapAudioChannels(c), }; }); } static getAvailableFlavours(codec) { const codecTemplate = TranscodeTemplates.getCodec(codec); if (!codecTemplate) throw new Error("Codec not found"); return codecTemplate.flavours; } /** * Maps the audio codec ids to the audio codec template * @param container * @return {Array} */ static mapAudioCodecs(container) { return container.audioCodecs.map((ac) => { return TranscodeTemplates.audioCodecs.find((c) => c.codec === ac); }); } static mapAudioChannels(container) { return container.audioChannels.map((ac) => { return TranscodeTemplates.audioChannels.find((c) => c.channels === ac); }); } static getAvailableTemplates() { return this.getAvailableCodecs().map((codec) => { return { name: codec.name, codec: codec.videoCodec, flavours: this.getAvailableFlavours(codec.name), containers: this.getAvailableContainers(codec.name), }; }); } } export default TranscodeTemplates; /** * LEGAL DNxHD FFMPEG Settings * * Frame size: 1920x1080p; bitrate: 175Mbps; pixel format: yuv422p10 * Frame size: 1920x1080p; bitrate: 185Mbps; pixel format: yuv422p10 * Frame size: 1920x1080p; bitrate: 365Mbps; pixel format: yuv422p10 * Frame size: 1920x1080p; bitrate: 440Mbps; pixel format: yuv422p10 * Frame size: 1920x1080p; bitrate: 115Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 120Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 145Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 240Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 290Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 175Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 185Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 220Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 365Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 440Mbps; pixel format: yuv422p * Frame size: 1920x1080i; bitrate: 185Mbps; pixel format: yuv422p10 * Frame size: 1920x1080i; bitrate: 220Mbps; pixel format: yuv422p10 * Frame size: 1920x1080i; bitrate: 120Mbps; pixel format: yuv422p * Frame size: 1920x1080i; bitrate: 145Mbps; pixel format: yuv422p * Frame size: 1920x1080i; bitrate: 185Mbps; pixel format: yuv422p * Frame size: 1920x1080i; bitrate: 220Mbps; pixel format: yuv422p * Frame size: 1440x1080i; bitrate: 120Mbps; pixel format: yuv422p * Frame size: 1440x1080i; bitrate: 145Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 90Mbps; pixel format: yuv422p10 * Frame size: 1280x720p; bitrate: 180Mbps; pixel format: yuv422p10 * Frame size: 1280x720p; bitrate: 220Mbps; pixel format: yuv422p10 * Frame size: 1280x720p; bitrate: 90Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 110Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 180Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 220Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 60Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 75Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 120Mbps; pixel format: yuv422p * Frame size: 1280x720p; bitrate: 145Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 36Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 45Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 75Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 90Mbps; pixel format: yuv422p * Frame size: 1920x1080p; bitrate: 350Mbps; pixel format: yuv444p10, gbrp10 * Frame size: 1920x1080p; bitrate: 390Mbps; pixel format: yuv444p10, gbrp10 * Frame size: 1920x1080p; bitrate: 440Mbps; pixel format: yuv444p10, gbrp10 * Frame size: 1920x1080p; bitrate: 730Mbps; pixel format: yuv444p10, gbrp10 * Frame size: 1920x1080p; bitrate: 880Mbps; pixel format: yuv444p10, gbrp10 * Frame size: 960x720p; bitrate: 42Mbps; pixel format: yuv422p * Frame size: 960x720p; bitrate: 60Mbps; pixel format: yuv422p * Frame size: 960x720p; bitrate: 75Mbps; pixel format: yuv422p * Frame size: 960x720p; bitrate: 115Mbps; pixel format: yuv422p * Frame size: 1440x1080p; bitrate: 63Mbps; pixel format: yuv422p * Frame size: 1440x1080p; bitrate: 84Mbps; pixel format: yuv422p * Frame size: 1440x1080p; bitrate: 100Mbps; pixel format: yuv422p * Frame size: 1440x1080p; bitrate: 110Mbps; pixel format: yuv422p * Frame size: 1440x1080i; bitrate: 80Mbps; pixel format: yuv422p * Frame size: 1440x1080i; bitrate: 90Mbps; pixel format: yuv422p * Frame size: 1440x1080i; bitrate: 100Mbps; pixel format: yuv422p * Frame size: 1440x1080i; bitrate: 110Mbps; pixel format: yuv422p */ /** * AUDIO CODECS FFMPEG * * DE alaw PCM A-law * DE f32be PCM 32-bit floating-point big-endian * DE f32le PCM 32-bit floating-point little-endian * DE f64be PCM 64-bit floating-point big-endian * DE f64le PCM 64-bit floating-point little-endian * DE mulaw PCM mu-law * DE s16be PCM signed 16-bit big-endian * DE s16le PCM signed 16-bit little-endian * DE s24be PCM signed 24-bit big-endian * DE s24le PCM signed 24-bit little-endian * DE s32be PCM signed 32-bit big-endian * DE s32le PCM signed 32-bit little-endian * DE s8 PCM signed 8-bit * DE u16be PCM unsigned 16-bit big-endian * DE u16le PCM unsigned 16-bit little-endian * DE u24be PCM unsigned 24-bit big-endian * DE u24le PCM unsigned 24-bit little-endian * DE u32be PCM unsigned 32-bit big-endian * DE u32le PCM unsigned 32-bit little-endian * DE u8 PCM unsigned 8-bit * DE vidc PCM Archimedes VIDC */