This script transcodes a given video file into multiple resolutions, applies HDR/SDR-specific modifications, and packages the outputs in DASH streamable format.

1. FFmpeg: A complete, cross-platform solution to record, convert and stream audio and video.
2. Bento4: A C++ class library and tools for dealing with MP4 files.

1. Install FFmpeg:

   • For Windows: Download the executable from FFmpeg website and add it to your system's PATH.
   • For macOS: brew install ffmpeg
   • For Ubuntu: sudo apt-get install ffmpeg ffmpeg-master-latest-win64-gpl-shared

2. Install Bento4:

   • Download and install Bento4 from Bento4 website.
   • Make sure mp4dash is available in your system's PATH.

3. Install Python Requirements:

   • Ensure you have Python installed. The script uses standard libraries.

ffprobe -v error -select_streams v:0 -show_entries stream=color_space,color_transfer,color_primaries -of default=noprint_wrappers=1:nokey=1 .\output.mp4

To run the script, use the following command:

python transcode_and_package.py <path_to_video_file>