ContainsString - Returns a boolean indicating whether the provided slice contains the given element.

HashFile - Open then hash the file at the provided path.

Int64P - Utility function to return a pointer to the provided integer.

NewLoggingHandler - Create a new LoggingHandler which will log to stdout.

PathExists - Returns a boolean indicating whether the provided path exists.

ReplaceExtension - Replace the extension for the provided path with the given extension.

TranscodeFile - Use ffmpeg to transcode the file at the provided path, note that the resulting file will have the '.transcoding.mp4' extension.

BufferSize - The amount of data read from disk before seeking to the next location in the file.

MaxSeekSize - The max size of a seek operation, this has the affect of reading 'BufferSize' amount of data for every 'MaxSeekSize' until we reach the end of the file.

LoggingHandler - Handler with implements the apex logging handler interface.

LoudnormStats - Represents the raw stats from the first pass with the loudnorm filter which will be used in the second pass.