WIP - Video Transcoding

[DexerBR]

Work in progress for video transcoding tool.

[brentpicasso]

Testing with this demo code:

import time

time_start = time.perf_counter()

transcoder.transcode(input_file="input.mp4", output_file="output.mp4", output_width=720, output_bitrate=4000)

print(f"Elapsed time: {time.perf_counter() - time_start}")```