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51 lines
2.0 KiB
Bash
51 lines
2.0 KiB
Bash
# lib/yt-lib.sh — shared helpers for yt-dlp-based media tools.
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# Sourced opt-in by yt-* subcommand files. Uses err() from lib/common.sh.
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# yt_check_deps [dry_run] [ffmpeg_purpose]
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# Check yt-dlp (+ ffmpeg unless dry_run=1 and caller wants dry-run to skip deps).
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# ffmpeg_purpose is the parenthetical in the error message (default: "MP3 conversion").
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# ytsync overrides this deliberately (needs yt-dlp+jq even in dry-run).
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yt_check_deps() {
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local dry="${1:-0}" purpose="${2:-MP3 conversion}"
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command -v yt-dlp &>/dev/null || err "yt-dlp not found — install it with: sudo apt install yt-dlp"
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if [ "$dry" -eq 0 ]; then
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command -v ffmpeg &>/dev/null || err "ffmpeg not found (needed for $purpose) — install it with: sudo apt install ffmpeg"
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fi
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}
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# yt_validate_url <url>
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# Returns 1 (does NOT exit) when URL doesn't start with http:// or https://;
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# prints the diagnostic to stderr. Callers surface the error themselves (e.g.
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# `yt_validate_url "$url" 2>/dev/null || err "…"` with their own prefix) so a
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# helper whose only job is to check can never kill the caller's error path.
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yt_validate_url() {
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local url="$1"
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case "$url" in
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http://*|https://*) return 0 ;;
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*) echo "not a valid URL: $url (must start with http:// or https://)" >&2; return 1 ;;
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esac
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}
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# yt_echo_cmd <args...>
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# Prints the yt-dlp command for --dry-run mode
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yt_echo_cmd() {
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echo "yt-dlp $*"
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}
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# classify_url <url>
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# Domain classification: music.youtube/soundcloud/bandcamp → audio;
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# youtube/youtu.be/vimeo/twitch → video; unknown → ${GRAB_DEFAULT:-video}
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# Migrated from bin/pos-media-grab
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classify_url() {
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local url="$1" mode="${GRAB_DEFAULT:-video}"
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case "$url" in
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*music.youtube.com*) echo "audio" ;;
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*soundcloud.com*) echo "audio" ;;
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*bandcamp.com*) echo "audio" ;;
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*youtube.com*|*youtu.be*) echo "video" ;;
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*vimeo.com*) echo "video" ;;
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*twitch.tv*) echo "video" ;;
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*) echo "$mode" ;;
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esac
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}
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