How Video is Processed

Video Processing in VaahSockets

The processVideo function which was located at src/helpers.js uses FFmpeg to process a video file, generate a thumbnail, and save the video data to the database. It logs progress and handles errors by deleting the input file if processing fails. The generateThumbnail function creates a video screenshot, and handleVideoData saves video details to the database.

Functions

1. processVideo :
   • Processes the video file, generates a thumbnail, and saves video data to the database.
   • Parameters:
     • inputPath: Path to the input video file.
     • outputPath: Path to save the processed video.
     • videoData: Object containing metadata for the video.
   • Flow :
     • Logs the start of video processing.
     • Initializes FFmpeg processing with input format webm.
     • Logs progress and the FFmpeg command line.
     • On success, generates a thumbnail and saves video data to the database.
     • On error, logs the error and deletes the input file.
     • Sets FFmpeg output options and saves the processed video file.
2. generateThumbnail :

• Generates a thumbnail image for the video.
• Parameters:
  • inputPath: Path to the input video file.
  • videoData: Object containing metadata for the video.
  • callback: Callback function to handle thumbnail generation.
• Flow :
  • Logs the start of thumbnail generation.
  • Uses FFmpeg to generate a thumbnail image.
  • On success, updates videoData with the thumbnail path and calls the callback.
  • On error, logs the error.

3. handleVideoData :

• Saves video details to the database.
• Parameters:
  • data: Object containing metadata for the video.
• Flow :
  • Attempts to save the video data using mediaApi.createItem.

4. getFolderPath :

• Extracts the folder path from a given video file path..
• Parameters:
  • videoPath: Path to the video file.
• Flow:
  • Splits the video path into parts.
  • Removes the last part (filename) to get the folder path.
  • Returns the folder path.