mirror of
https://github.com/ggerganov/whisper.cpp.git
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a425365b82
Thanks to @DaniruKun ref: https://gist.github.com/DaniruKun/96f763ec1a037cc92fe1a059b643b818 Usage: cd whisper.cpp make ./examples/yt-wsp.sh <video-url>
133 lines
4.1 KiB
Bash
Executable File
133 lines
4.1 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Small shell script to more easily automatically download and transcribe live stream VODs.
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# This uses YT-DLP, ffmpeg and the CPP version of Whisper: https://github.com/ggerganov/whisper.cpp
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# Use `./transcribe-vod help` to print help info.
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# MIT License
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# Copyright (c) 2022 Daniils Petrovs
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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# The above copyright notice and this permission notice shall be included in all
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# copies or substantial portions of the Software.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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set -Eeuo pipefail
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# You can find how to download models in the OG repo: https://github.com/ggerganov/whisper.cpp/#usage
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MODEL_PATH="${MODEL_PATH:-models/ggml-base.en.bin}" # Set to a multilingual model if you want to translate from foreign lang to en
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WHISPER_EXECUTABLE="${WHISPER_EXECUTABLE:-whisper}" # Where to find the whisper.cpp executable
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WHISPER_LANG="${WHISPER_LANG:-en}" # Set to desired lang to translate from
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msg() {
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echo >&2 -e "${1-}"
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}
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cleanup() {
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msg "Cleaning up..."
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rm -rf "${temp_dir}" "vod-resampled.wav" "vod-resampled.wav.srt"
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}
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print_help() {
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echo "Usage: ./transcribe-vod <video_url>"
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echo "See configurable env variables in the script"
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echo "This will produce an MP4 muxed file called res.mp4 in the working directory"
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echo "Requirements: ffmpeg yt-dlp whisper"
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echo "Whisper needs to be built into the main binary with make, then you can rename it to something like 'whisper' and add it to your PATH for convenience."
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echo "E.g. in the root of Whisper.cpp, run: 'make && cp ./main /usr/local/bin/whisper'"
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}
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check_requirements() {
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if ! command -v ffmpeg &>/dev/null; then
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echo "ffmpeg is required (https://ffmpeg.org)."
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exit 1
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fi
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if ! command -v yt-dlp &>/dev/null; then
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echo "yt-dlp is required (https://github.com/yt-dlp/yt-dlp)."
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exit 1
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fi
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if ! command -v "$WHISPER_EXECUTABLE" &>/dev/null; then
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WHISPER_EXECUTABLE="./main"
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if ! command -v "$WHISPER_EXECUTABLE" &>/dev/null; then
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echo "Whisper is required (https://github.com/ggerganov/whisper.cpp)."
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exit 1
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fi
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fi
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}
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if [[ $# -lt 1 ]]; then
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print_help
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exit 1
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fi
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if [[ "$1" == "help" ]]; then
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print_help
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exit 0
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fi
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temp_dir="tmp"
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source_url="$1"
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check_requirements
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msg "Downloading VOD..."
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# Optionally add --cookies-from-browser BROWSER[+KEYRING][:PROFILE][::CONTAINER] for members only VODs
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yt-dlp \
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-f "bestvideo[ext=mp4]+bestaudio[ext=m4a]/best[ext=mp4]/best" \
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--embed-thumbnail \
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--embed-chapters \
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--xattrs \
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"${source_url}" -o "${temp_dir}/vod.mp4"
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msg "Extracting audio and resampling..."
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ffmpeg -i "${temp_dir}/vod.mp4" \
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-hide_banner \
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-loglevel error \
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-ar 16000 \
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-ac 1 \
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-c:a \
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pcm_s16le -y "vod-resampled.wav"
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msg "Transcribing to subtitle file..."
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msg "Whisper specified at: ${WHISPER_EXECUTABLE}"
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$WHISPER_EXECUTABLE \
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-m "${MODEL_PATH}" \
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-l "${WHISPER_LANG}" \
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-f "vod-resampled.wav" \
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-t 8 \
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-osrt \
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--translate
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msg "Embedding subtitle track..."
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ffmpeg -i "${temp_dir}/vod.mp4" \
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-hide_banner \
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-loglevel error \
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-i "vod-resampled.wav.srt" \
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-c copy \
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-c:s mov_text \
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-y res.mp4
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cleanup
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msg "Done! Your finished file is ready: res.mp4"
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