feat: Import 35+ skills, merge duplicates, add openclaw installer
Major updates: - Added 35+ new skills from awesome-opencode-skills and antigravity repos - Merged SEO skills into seo-master - Merged architecture skills into architecture - Merged security skills into security-auditor and security-coder - Merged testing skills into testing-master and testing-patterns - Merged pentesting skills into pentesting - Renamed website-creator to thai-frontend-dev - Replaced skill-creator with github version - Removed Chutes references (use MiniMax API instead) - Added install-openclaw-skills.sh for cross-platform installation - Updated .env.example with MiniMax API credentials
This commit is contained in:
Kunthawat Greethong
221
skills/minimax-multimodal-toolkit/scripts/video/add_bgm.sh
Executable file
221
skills/minimax-multimodal-toolkit/scripts/video/add_bgm.sh
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#!/usr/bin/env bash
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# Add background music to a video file (pure bash)
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#
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# Usage:
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# bash scripts/video/add_bgm.sh --video input.mp4 --audio bgm.mp3 -o output.mp4
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# bash scripts/video/add_bgm.sh --video input.mp4 --generate-bgm --music-prompt "upbeat pop" -o output.mp4
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# bash scripts/video/add_bgm.sh --video input.mp4 --audio bgm.mp3 --replace-audio -o output.mp4
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set -euo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
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MUSIC_API_URL="${MINIMAX_API_HOST:-https://api.minimaxi.com}/v1/music_generation"
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# ============================================================================
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# Common functions
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# ============================================================================
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load_env() {
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local env_file
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for env_file in "$PROJECT_ROOT/.env" "$(pwd)/.env"; do
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if [[ -f "$env_file" ]]; then
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while IFS= read -r line || [[ -n "$line" ]]; do
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line="${line%%#*}"; line="$(echo "$line" | xargs)"
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[[ -z "$line" || "$line" != *=* ]] && continue
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local key="${line%%=*}" val="${line#*=}"
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key="$(echo "$key" | xargs)"; val="$(echo "$val" | xargs)"
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if [[ ${#val} -ge 2 ]]; then
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case "$val" in \"*\") val="${val:1:${#val}-2}" ;; \'*\') val="${val:1:${#val}-2}" ;; esac
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fi
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[[ -z "${!key:-}" ]] && export "$key=$val"
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done < "$env_file"
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fi
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done
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}
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get_video_duration() {
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ffprobe -v error -show_entries format=duration -of json "$1" 2>/dev/null | jq -r '.format.duration'
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}
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video_has_audio() {
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local out
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out="$(ffprobe -v error -select_streams a -show_entries stream=codec_type -of csv=p=0 "$1" 2>/dev/null)"
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[[ "$out" == *audio* ]]
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}
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generate_music() {
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local prompt="$1" output_path="$2" instrumental="${3:-false}"
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local payload
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local effective_prompt="${prompt:-background music, cinematic, ambient}"
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if [[ "$instrumental" == "true" ]]; then
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payload=$(jq -n \
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--arg p "$effective_prompt. pure music, no lyrics" \
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'{model: "music-2.5", prompt: $p, lyrics: "[intro] [outro]", output_format: "url"}')
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else
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payload=$(jq -n \
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--arg p "$effective_prompt" \
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'{model: "music-2.5", prompt: $p, lyrics: "[Intro]\nla da da\nla la la", output_format: "url"}')
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fi
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echo "Generating ${instrumental:+instrumental }music..."
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echo " Prompt: $prompt"
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local raw http_code response
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raw="$(curl -s -w "\n%{http_code}" -X POST "$MUSIC_API_URL" \
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-H "Authorization: Bearer ${MINIMAX_API_KEY}" \
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-H "Content-Type: application/json" \
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--max-time 300 -d "$payload")"
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http_code="${raw##*$'\n'}"; response="${raw%$'\n'*}"
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[[ "$http_code" -ge 400 ]] 2>/dev/null && { echo "Error: Music API HTTP $http_code" >&2; return 1; }
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local sc
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sc="$(echo "$response" | jq -r '.base_resp.status_code // 0')" 2>/dev/null || true
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[[ "$sc" != "0" && -n "$sc" ]] && { echo "Error: Music API error: $(echo "$response" | jq '.base_resp')" >&2; return 1; }
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local audio_url
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audio_url="$(echo "$response" | jq -r '.data.audio_url // .data.audio // .data.audio_file.download_url // empty')"
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[[ -z "$audio_url" ]] && { echo "Error: No audio URL in music response" >&2; return 1; }
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mkdir -p "$(dirname "$output_path")"
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# Download with retry
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local attempt
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for attempt in 1 2 3; do
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if curl -s -o "$output_path" --max-time 120 "$audio_url" 2>/dev/null; then
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local size; size="$(wc -c < "$output_path" | tr -d ' ')"
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echo " Downloaded: $output_path ($size bytes)"
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return 0
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fi
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if [[ $attempt -lt 3 ]]; then
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local wait=$((2 ** attempt))
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echo " Download attempt $attempt failed. Retrying in ${wait}s..."
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sleep "$wait"
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fi
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done
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echo "Error: Download failed after 3 attempts" >&2
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return 1
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}
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# ============================================================================
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# Main
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# ============================================================================
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main() {
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load_env
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local video="" audio="" output=""
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local generate_bgm=false instrumental=false music_prompt=""
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local bgm_volume=0.3 fade_in=0 fade_out=0 replace_audio=false
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--video) video="$2"; shift 2 ;;
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--audio) audio="$2"; shift 2 ;;
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--generate-bgm) generate_bgm=true; shift ;;
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--instrumental) instrumental=true; shift ;;
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--music-prompt) music_prompt="$2"; shift 2 ;;
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--bgm-volume) bgm_volume="$2"; shift 2 ;;
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--fade-in) fade_in="$2"; shift 2 ;;
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--fade-out) fade_out="$2"; shift 2 ;;
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--replace-audio) replace_audio=true; shift ;;
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-o|--output) output="$2"; shift 2 ;;
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-h|--help)
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cat <<'USAGE'
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Add Background Music to Video
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Usage:
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add_bgm.sh --video INPUT --audio BGM -o OUTPUT
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add_bgm.sh --video INPUT --generate-bgm --music-prompt "style" -o OUTPUT
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Options:
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--video FILE Input video file (required)
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--audio FILE Background music audio file
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--generate-bgm Generate BGM via MiniMax API
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--instrumental Make generated BGM instrumental
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--music-prompt TEXT Prompt for BGM generation
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--bgm-volume FLOAT BGM volume level (default: 0.3)
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--fade-in SECS BGM fade-in duration
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--fade-out SECS BGM fade-out duration
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--replace-audio Replace original audio instead of mixing
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-o, --output FILE Output video file (required)
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Examples:
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add_bgm.sh --video input.mp4 --audio bgm.mp3 -o output.mp4
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add_bgm.sh --video input.mp4 --generate-bgm --music-prompt "upbeat pop" -o output.mp4
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add_bgm.sh --video input.mp4 --audio bgm.mp3 --replace-audio -o output.mp4
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USAGE
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exit 0
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;;
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*) echo "Unknown option: $1" >&2; exit 1 ;;
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esac
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done
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if [[ -z "$video" || ! -f "$video" ]]; then
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echo "Error: Video file not found: ${video:-<none>}" >&2; exit 1
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fi
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if [[ -z "$audio" && "$generate_bgm" != "true" ]]; then
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echo "Error: Provide --audio or --generate-bgm" >&2; exit 1
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fi
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if [[ -z "$output" ]]; then
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echo "Error: --output / -o is required" >&2; exit 1
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fi
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local audio_path="$audio"
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if $generate_bgm; then
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if [[ -z "${MINIMAX_API_KEY:-}" ]]; then
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echo "Error: MINIMAX_API_KEY not set." >&2; exit 1
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fi
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audio_path="${output%.*}_bgm.mp3"
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generate_music "$music_prompt" "$audio_path" "$instrumental" || exit 1
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fi
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if [[ ! -f "$audio_path" ]]; then
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echo "Error: Audio file not found: $audio_path" >&2; exit 1
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fi
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local duration
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duration="$(get_video_duration "$video")"
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echo "Video duration: $(printf '%.1f' "$duration")s"
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mkdir -p "$(dirname "$output")"
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local has_audio=false
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video_has_audio "$video" && has_audio=true
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local bgm_filter="[1:a]volume=${bgm_volume}"
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[[ "$(echo "$fade_in > 0" | bc -l)" == "1" ]] && bgm_filter+=",afade=t=in:d=${fade_in}"
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if [[ "$(echo "$fade_out > 0" | bc -l)" == "1" ]]; then
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local fo_start
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fo_start="$(echo "$duration - $fade_out" | bc -l)"
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[[ "$(echo "$fo_start < 0" | bc -l)" == "1" ]] && fo_start=0
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bgm_filter+=",afade=t=out:st=${fo_start}:d=${fade_out}"
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fi
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if $has_audio && ! $replace_audio; then
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bgm_filter+="[bgm];[0:a][bgm]amix=inputs=2:duration=first:dropout_transition=2[aout]"
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echo "Merging video + audio (mixing with original, bgm_volume=${bgm_volume})..."
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ffmpeg -y \
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-i "$video" -i "$audio_path" \
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-filter_complex "$bgm_filter" \
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-map 0:v -map "[aout]" \
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-c:v copy -c:a aac -shortest "$output" 2>/dev/null
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else
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bgm_filter+="[bgm]"
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echo "Merging video + audio (${replace_audio:+replacing original}${replace_audio:-no original audio}, bgm_volume=${bgm_volume})..."
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ffmpeg -y \
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-i "$video" -i "$audio_path" \
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-filter_complex "$bgm_filter" \
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-map 0:v -map "[bgm]" \
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-c:v copy -c:a aac -shortest "$output" 2>/dev/null
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fi
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echo "Output saved: $output"
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echo "Done!"
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}
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main "$@"
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