從影片產生影片
使用 CometAPI Runway POST /runwayml/v1/video_to_video 啟動影片轉影片生成任務、設定 X-Runway-Version，並轉換來源片段。
curl --request POST \
--url https://api.cometapi.com/runwayml/v1/video_to_video \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--header 'X-Runway-Version: <x-runway-version>' \
--data '
{
"videoUri": "https://media.w3.org/2010/05/sintel/trailer.mp4",
"promptText": "Make the motion feel cinematic.",
"model": "gen4_aleph",
"references": [
{
"type": "image",
"uri": "https://res.cloudinary.com/demo/image/upload/dog.jpg"
}
],
"ratio": "1280:720"
}
'{
"id": "12a01a5e-ab55-4aa7-b002-7b873546cf76"
}使用此端點可透過 Runway 的影片轉影片工作流程轉換現有的來源片段。它會啟動非同步任務，而不是立即回傳最終輸出。Documentation Index
Fetch the complete documentation index at: https://apidoc.cometapi.com/llms.txt
Use this file to discover all available pages before exploring further.
呼叫前須知
- 準備符合供應商輸入需求的來源影片
- 加入所需的
X-Runway-Version標頭，以使用你想要的功能集 - 先從一段簡短的 Prompt 開始，描述要變更的內容，而不是完整的分鏡腳本
任務流程
輪詢任務詳細資料
授權
Bearer token authentication. Use your CometAPI key.
標頭
Runway API version header, for example 2024-11-06.
主體
HTTPS URL of the source video, or a base64 data URI containing the video.
Text prompt describing the desired output. Maximum 1000 characters.
Random seed for reproducible results. Range: 0–4294967295.
Model variant to use.
Optional reference images to guide generation. Each item must include type (e.g. image) and uri (HTTPS URL).
Show child attributes
Show child attributes
Aspect ratio of the output video, e.g. 1280:720.
Show child attributes
Show child attributes
回應
success
The ID of the task that was created. Use this to retrieve the task later.
curl --request POST \
--url https://api.cometapi.com/runwayml/v1/video_to_video \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--header 'X-Runway-Version: <x-runway-version>' \
--data '
{
"videoUri": "https://media.w3.org/2010/05/sintel/trailer.mp4",
"promptText": "Make the motion feel cinematic.",
"model": "gen4_aleph",
"references": [
{
"type": "image",
"uri": "https://res.cloudinary.com/demo/image/upload/dog.jpg"
}
],
"ratio": "1280:720"
}
'{
"id": "12a01a5e-ab55-4aa7-b002-7b873546cf76"
}