ffmpeg NodeInstall

Overview

This node provides video transcoding functionality using ffmpeg. It allows users to convert input videos into different formats by specifying the desired video codec and various transcoding options such as bitrate, frame rate, and resolution. This is useful for scenarios where you need to optimize videos for different devices, reduce file size, or change encoding formats for compatibility.

Practical examples include:

• Converting a raw video file into an MP4 format with H.264 codec for web streaming.
• Reducing video resolution and bitrate to create smaller preview files.
• Changing frame rates to match specific playback requirements.

Properties

Output

The node outputs the transcoded video file in a binary field named as specified by the "Video Output Name" property. The json output contains metadata about the operation result, but the main content is the binary video data ready for further processing or saving.

Dependencies

• Requires an API key credential for accessing the underlying ffmpeg service.
• The node depends on an external ffmpeg-based service or API that performs the actual transcoding.
• No additional environment variables are explicitly required based on the static code.

Troubleshooting

• Invalid Video Input: If the input video URL or binary field name is incorrect or inaccessible, the node will fail to retrieve the video. Ensure the input source is valid and accessible.
• Unsupported Codec: Specifying an unsupported or misspelled video codec may cause errors. Verify codec names against supported codecs by the underlying ffmpeg service.
• Resource Limits: Large videos or high-resolution settings might exceed memory or processing limits, causing timeouts or failures.
• Missing Credentials: The node requires a valid API authentication token; missing or invalid credentials will prevent execution.

Links and References

• FFmpeg Official Documentation
• Common Video Codecs
• n8n Documentation on Binary Data Handling