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19 lines
679 B
TypeScript
19 lines
679 B
TypeScript
import { ffmpeg } from './ffmpeg.ts';
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export function transcodeVideo(
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input: URL | ReadableStream<Uint8Array>,
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opts?: { ffmpegPath?: string | URL },
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): ReadableStream<Uint8Array> {
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return ffmpeg(input, {
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'safe': '1', // Safe mode
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'nostdin': '', // Disable stdin
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'c:v': 'libx264', // Convert to H.264
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'preset': 'veryfast', // Encoding speed
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'loglevel': 'fatal', // Suppress logs
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'crf': '23', // Compression level (lower = better quality)
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'c:a': 'aac', // Convert to AAC audio
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'b:a': '128k', // Audio bitrate
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'movflags': 'frag_keyframe+empty_moov', // Ensures MP4 streaming compatibility
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'f': 'mp4', // Force MP4 format
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}, opts);
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}
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