Autosrt

Simple CLI tool in Rust for automatic subtitle generation. Both transcription and translation are supported.

Models

• Speech-to-text: NVIDIA Canary
• Text translation: Google TranslateGemma

Dependencies

FFmpeg.

Usage

Requirements

It's best to pre-download models from HuggingFace using the CLI:

hf download istupakov/canary-1b-v2-onnx
hf download onnx-community/translategemma-text-4b-it-ONNX

CLI

To generate subtitles for a video file, run the following commands:

# Transcribe video to SRT
autosrt --input video.mp4 --model istupakov/canary-1b-v2-onnx

# Translate existing SRT file
autosrt --input subtitles.srt --translate-model onnx-community/translategemma-text-4b-it-ONNX

# Transcribe and translate in one step
autosrt --input video.mp4 --model istupakov/canary-1b-v2-onnx --translate-model onnx-community/translategemma-text-4b-it-ONNX

Options

Option	Short	Description	Default
--input	-i	Input video file or SRT file	(required)
--output	-o	Output SRT file path	Input filename with .srt extension
--model	-m	Path or ID of Canary model	(required for video transcription)
--translate-model	-t	Path or ID of TranslateGemma model	(optional, enables translation)
--source-lang	-s	Source language code for translation	fi
--target-lang	-l	Target language code for translation	en
--debug	-d	Save downsampled audio to file for debugging	(off)

Examples

# Transcribe Finnish video to English subtitles
autosrt -i video.mp4 -m istupakov/canary-1b-v2-onnx

# Transcribe and translate from Finnish to German
autosrt -i video.mp4 -m istupakov/canary-1b-v2-onnx -t onnx-community/translategemma-text-4b-it-ONNX -s fi -l de

# Translate existing SRT from Spanish to English
autosrt -i subtitles.srt -t onnx-community/translategemma-text-4b-it-ONNX -s es -l en -o translated.srt

# Custom output path
autosrt -i video.mp4 -m istupakov/canary-1b-v2-onnx -o custom_subtitles.srt

# Save debug audio files
autosrt -i video.mp4 -m istupakov/canary-1b-v2-onnx -d

Language Codes

Common language codes:

Code	Language	Code	Language
en	English	de	German
fi	Finnish	es	Spanish
sv	Swedish	fr	French
no	Norwegian	it	Italian
da	Danish	pt	Portuguese
ru	Russian	ja	Japanese
zh	Chinese	ko	Korean
ar	Arabic	hi	Hindi