This workflow follows the Executecommand → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "AI Product Video Generator (Windows)",
"nodes": [
{
"parameters": {
"path": "ai-product-video",
"httpMethod": "POST",
"responseMode": "lastNode",
"responseData": "allEntries",
"options": {
"binaryData": true,
"binaryPropertyName": "productImage"
}
},
"name": "Webhook",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
200,
300
]
},
{
"parameters": {
"functionCode": "// \u2705 \u062a\u062d\u0642\u0642 \u0645\u0646 \u0627\u0644\u0645\u062f\u062e\u0644\u0627\u062a \u0627\u0644\u0645\u0637\u0644\u0648\u0628\u0629\nconst body = $json;\nif (!body.product_name) throw new Error('\u26a0\ufe0f product_name \u0645\u0641\u0642\u0648\u062f');\nif (!body.lang) throw new Error('\u26a0\ufe0f lang (\u0627\u0644\u0644\u063a\u0629) \u0645\u0641\u0642\u0648\u062f\u0629');\nif (!body.tone) throw new Error('\u26a0\ufe0f tone (\u0646\u0628\u0631\u0629 \u0627\u0644\u0646\u0635) \u0645\u0641\u0642\u0648\u062f\u0629');\nconst aspect = body.aspect === '16:9' ? '16:9' : '9:16';\nconst addSubs = !!body.add_subtitles;\nreturn [{ json: { ...body, aspect, add_subtitles: addSubs }, binary: $binary }];"
},
"name": "Validate Input",
"type": "n8n-nodes-base.function",
"typeVersion": 2,
"position": [
460,
300
]
},
{
"parameters": {
"url": "https://api.openai.com/v1/chat/completions",
"method": "POST",
"responseFormat": "json",
"jsonParameters": true,
"sendHeaders": true,
"headerParametersJson": "={\"Authorization\":\"Bearer {{$env.OPENAI_API_KEY}}\",\"Content-Type\":\"application/json\"}",
"bodyParametersJson": "={\"model\":\"gpt-4o-mini\",\"temperature\":0.8,\"messages\":[{\"role\":\"system\",\"content\":\"\u0627\u0643\u062a\u0628 \u0633\u0643\u0631\u064a\u0628\u062a \u062a\u0633\u0648\u064a\u0642\u064a \u0642\u0635\u064a\u0631 \u0648\u0645\u0642\u0646\u0639 \u0644\u0645\u0646\u062a\u062c\u060c \u0645\u0646 35 \u0625\u0644\u0649 65 \u0643\u0644\u0645\u0629\u060c \u0628\u0627\u0644\u0644\u063a\u0629 {{$json.lang}} \u0648\u0628\u0646\u0628\u0631\u0629 {{$json.tone}}.\"},{\"role\":\"user\",\"content\":\"\u0627\u0633\u0645 \u0627\u0644\u0645\u0646\u062a\u062c: {{$json.product_name}}.\\n\u0627\u0644\u0645\u064a\u0632\u0627\u062a: {{$json.features}}.\"}]}"
},
"name": "Generate Script",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 3,
"position": [
720,
300
]
},
{
"parameters": {
"functionCode": "const script = $json.choices?.[0]?.message?.content || ''; if(!script) throw new Error('\u0641\u0634\u0644 \u062a\u0648\u0644\u064a\u062f \u0627\u0644\u0646\u0635'); return [{ json: { ...$json, voice_script: script } }];"
},
"name": "Extract Script",
"type": "n8n-nodes-base.function",
"typeVersion": 2,
"position": [
980,
300
]
},
{
"parameters": {
"url": "https://api.elevenlabs.io/v1/text-to-speech/21m00Tcm4TlvDq8ikWAM",
"method": "POST",
"responseFormat": "file",
"jsonParameters": true,
"sendHeaders": true,
"headerParametersJson": "={\"xi-api-key\":\"{{$env.ELEVEN_API_KEY}}\",\"Content-Type\":\"application/json\",\"Accept\":\"audio/mpeg\"}",
"bodyParametersJson": "={\"text\":\"{{$json.voice_script}}\",\"model_id\":\"eleven_multilingual_v2\",\"voice_settings\":{\"stability\":0.5,\"similarity_boost\":0.75},\"output_format\":\"mp3_44100_128\"}"
},
"name": "Generate Voice (TTS)",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 3,
"position": [
1240,
300
]
},
{
"parameters": {
"fileName": "C:\\\\n8n_temp\\\\voice.mp3",
"binaryPropertyName": "data"
},
"name": "Save Voice",
"type": "n8n-nodes-base.writeBinaryFile",
"typeVersion": 1,
"position": [
1500,
300
]
},
{
"parameters": {
"command": "ffprobe -i C:\\\\n8n_temp\\\\voice.mp3 -show_entries format=duration -v quiet -of csv=p=0"
},
"name": "Get Duration",
"type": "n8n-nodes-base.executeCommand",
"typeVersion": 1,
"position": [
1760,
300
]
},
{
"parameters": {
"functionCode": "const dur = parseFloat(($json.data || '').trim()); return [{ json: { ...$json, duration: isFinite(dur)?dur:20 } }];"
},
"name": "Parse Duration",
"type": "n8n-nodes-base.function",
"typeVersion": 2,
"position": [
2020,
300
]
},
{
"parameters": {
"command": "bash -lc \"ASPECT='{{$json.aspect}}'; D={{$json.duration}}; if [ \\\"$ASPECT\\\" = \\\"16:9\\\" ]; then SIZE=1920:1080; else SIZE=1080:1920; fi; ffmpeg -y -loop 1 -i C:\\\\n8n_temp\\\\input.jpg -t $D -vf \\\"scale=${SIZE},zoompan=z='min(zoom+0.0008,1.2)':x='iw/2-(iw/zoom/2)':y='ih/2-(ih/zoom/2)':d=25*$D,fps=25\\\" -c:v libx264 -pix_fmt yuv420p C:\\\\n8n_temp\\\\kb.mp4\""
},
"name": "Create Video (Ken Burns)",
"type": "n8n-nodes-base.executeCommand",
"typeVersion": 1,
"position": [
2280,
300
]
},
{
"parameters": {
"functionCode": "const text = $json.voice_script || ''; const dur = $json.duration || 20; if(!$json.add_subtitles) return [{json:{...$json, skipSubs:true}}]; const lines = text.split(/(?<=[.!\u061f?\u060c])\\s+/).filter(Boolean); const seg = dur/lines.length; const fmt = t=>{const ms=Math.floor((t%1)*1000);const s=Math.floor(t)%60;const m=Math.floor(t/60);return `${String(m).padStart(2,'0')}:${String(s).padStart(2,'0')},${String(ms).padStart(3,'0')}`;}; let srt=''; for(let i=0;i<lines.length;i++){srt+=`${i+1}\\n00:${fmt(i*seg)} --> 00:${fmt((i+1)*seg)}\\n${lines[i]}\\n\\n`;} const data = Buffer.from(srt).toString('base64'); return [{json:{...$json}, binary:{srt:{data,fileName:'subs.srt',mimeType:'text/plain'}}}];"
},
"name": "Generate SRT",
"type": "n8n-nodes-base.function",
"typeVersion": 2,
"position": [
2540,
300
]
},
{
"parameters": {
"fileName": "C:\\\\n8n_temp\\\\subs.srt",
"binaryPropertyName": "srt"
},
"name": "Save SRT",
"type": "n8n-nodes-base.writeBinaryFile",
"typeVersion": 1,
"position": [
2800,
300
]
},
{
"parameters": {
"command": "bash -lc \"if [ -f C:\\\\n8n_temp\\\\bgm.mp3 ]; then ffmpeg -y -i C:\\\\n8n_temp\\\\voice.mp3 -i C:\\\\n8n_temp\\\\bgm.mp3 -filter_complex 'volume=1[a];[1:a]volume=0.2[b];[a][b]amix=inputs=2:duration=first' -c:a aac C:\\\\n8n_temp\\\\mixaudio.aac; else ffmpeg -y -i C:\\\\n8n_temp\\\\voice.mp3 -c:a aac C:\\\\n8n_temp\\\\mixaudio.aac; fi\""
},
"name": "Mix Audio",
"type": "n8n-nodes-base.executeCommand",
"typeVersion": 1,
"position": [
3060,
300
]
},
{
"parameters": {
"command": "bash -lc \"if [ -f C:\\\\n8n_temp\\\\subs.srt ] && [ $(stat -c%s C:\\\\n8n_temp\\\\subs.srt) -gt 0 ]; then ffmpeg -y -i C:\\\\n8n_temp\\\\kb.mp4 -i C:\\\\n8n_temp\\\\mixaudio.aac -vf subtitles=C:\\\\n8n_temp\\\\subs.srt -c:a aac C:\\\\n8n_temp\\\\burned.mp4; else ffmpeg -y -i C:\\\\n8n_temp\\\\kb.mp4 -i C:\\\\n8n_temp\\\\mixaudio.aac -c:a aac C:\\\\n8n_temp\\\\burned.mp4; fi\""
},
"name": "Combine Video + Audio + Subtitles",
"type": "n8n-nodes-base.executeCommand",
"typeVersion": 1,
"position": [
3320,
300
]
},
{
"parameters": {
"command": "bash -lc \"if [ -f C:\\\\n8n_temp\\\\logo.png ]; then ffmpeg -y -i C:\\\\n8n_temp\\\\burned.mp4 -i C:\\\\n8n_temp\\\\logo.png -filter_complex 'overlay=main_w-overlay_w-40:40' -c:a copy C:\\\\n8n_temp\\\\final.mp4; else copy C:\\\\n8n_temp\\\\burned.mp4 C:\\\\n8n_temp\\\\final.mp4; fi\""
},
"name": "Overlay Logo (optional)",
"type": "n8n-nodes-base.executeCommand",
"typeVersion": 1,
"position": [
3580,
300
]
},
{
"parameters": {
"filePath": "C:\\\\n8n_temp\\\\final.mp4",
"property": "video"
},
"name": "Read Final Video",
"type": "n8n-nodes-base.readBinaryFile",
"typeVersion": 1,
"position": [
3840,
300
]
},
{
"parameters": {
"responseData": "binary",
"binaryPropertyName": "video",
"options": {
"responseCode": 200,
"responseHeaders": {
"Content-Type": "video/mp4",
"Content-Disposition": "attachment; filename=ai_product_video.mp4"
}
}
},
"name": "Respond to Webhook (Video)",
"type": "n8n-nodes-base.respondToWebhook",
"typeVersion": 1,
"position": [
4100,
300
]
}
],
"connections": {
"Webhook": {
"main": [
[
{
"node": "Validate Input",
"type": "main",
"index": 0
}
]
]
},
"Validate Input": {
"main": [
[
{
"node": "Generate Script",
"type": "main",
"index": 0
}
]
]
},
"Generate Script": {
"main": [
[
{
"node": "Extract Script",
"type": "main",
"index": 0
}
]
]
},
"Extract Script": {
"main": [
[
{
"node": "Generate Voice (TTS)",
"type": "main",
"index": 0
}
]
]
},
"Generate Voice (TTS)": {
"main": [
[
{
"node": "Save Voice",
"type": "main",
"index": 0
}
]
]
},
"Save Voice": {
"main": [
[
{
"node": "Get Duration",
"type": "main",
"index": 0
}
]
]
},
"Get Duration": {
"main": [
[
{
"node": "Parse Duration",
"type": "main",
"index": 0
}
]
]
},
"Parse Duration": {
"main": [
[
{
"node": "Create Video (Ken Burns)",
"type": "main",
"index": 0
}
]
]
},
"Create Video (Ken Burns)": {
"main": [
[
{
"node": "Generate SRT",
"type": "main",
"index": 0
}
]
]
},
"Generate SRT": {
"main": [
[
{
"node": "Save SRT",
"type": "main",
"index": 0
}
]
]
},
"Save SRT": {
"main": [
[
{
"node": "Mix Audio",
"type": "main",
"index": 0
}
]
]
},
"Mix Audio": {
"main": [
[
{
"node": "Combine Video + Audio + Subtitles",
"type": "main",
"index": 0
}
]
]
},
"Combine Video + Audio + Subtitles": {
"main": [
[
{
"node": "Overlay Logo (optional)",
"type": "main",
"index": 0
}
]
]
},
"Overlay Logo (optional)": {
"main": [
[
{
"node": "Read Final Video",
"type": "main",
"index": 0
}
]
]
},
"Read Final Video": {
"main": [
[
{
"node": "Respond to Webhook (Video)",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
AI Product Video Generator (Windows). Uses httpRequest, writeBinaryFile, executeCommand, readBinaryFile. Webhook trigger; 16 nodes.
Source: https://gist.github.com/itzoldman-max/097ac8f3b3fbab1d304caf77da9d7cec — original creator credit. Request a take-down →
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