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name: removing-subtitles description: Removes hardcoded subtitles from videos using AI inpainting. Use when user wants to remove subtitles, erase text from video, clean video from captions, delete burned-in subtitles, remove video watermarks, clean hardcoded text, or strip embedded subtitles. 去字幕、去除字幕、删除字幕、清除字幕、去硬字幕、去水印、擦除字幕、移除字幕。

Subtitle Removal

Removes hardcoded/burned-in subtitles from videos using OCR detection and AI inpainting.

When to Use

Use this skill when:

• Removing hardcoded subtitles from videos
• Cleaning up videos with burned-in text
• Preparing videos for re-subtitling
• Removing unwanted text overlays
• Cleaning videos for repurposing

How It Works

1. OCR Detection: AI detects subtitle regions using optical character recognition
2. Region Masking: Identifies areas containing text
3. AI Inpainting: Fills removed areas with reconstructed background content
4. Output Generation: Produces clean video without subtitles

Workflow

Step 1: Get Source Video

Obtain the video URL with hardcoded subtitles.

Step 2: Submit Removal Task

Call submitAideoTask with:

• prompt: Request subtitle removal
• multiInputs: Array containing source video URL

Step 3: Poll for Results

1. First check: Wait 210 seconds after submission
2. Subsequent checks: Wait 30 seconds between polls
3. Call getAideoTaskStatus to check progress

Step 4: Timeout Handling

Maximum wait time: 20 minutes

If task exceeds 20 minutes, report as timeout failure.

Step 5: Return Results

On completion, return the clean video URL.

Examples

Example 1: Remove Subtitles

User request: "Remove the subtitles from this video"

submitAideoTask:
  prompt: "Remove all hardcoded subtitles from this video"
  multiInputs: ["video_with_subtitles.mp4"]

Example 2: Clean Video for Re-subtitling

User request: "I want to add my own subtitles, please remove the existing ones"

submitAideoTask:
  prompt: "Erase all burned-in subtitles from this video to prepare for new subtitles"
  multiInputs: ["original_video.mp4"]

Example 3: Remove Text Overlays

User request: "Clean up this video by removing the text at the bottom"

submitAideoTask:
  prompt: "Remove the hardcoded text overlay at the bottom of this video"
  multiInputs: ["video_with_text.mp4"]

Important Notes

• Uses OCR to detect subtitle regions automatically
• AI inpainting fills removed areas naturally
• Works best with subtitles on solid or simple backgrounds
• Complex backgrounds may have some artifacts
• Maximum wait time is 20 minutes
• Processing time: ~10 minutes per 1-minute video