- - `format` (string): A human-readable description of the format
- - `format_id` (string): Format code specified by `--format`
- - `format_note` (string): Additional info about the format
- - `width` (numeric): Width of the video
- - `height` (numeric): Height of the video
- - `resolution` (string): Textual description of width and height
- - `tbr` (numeric): Average bitrate of audio and video in KBit/s
- - `abr` (numeric): Average audio bitrate in KBit/s
- - `acodec` (string): Name of the audio codec in use
- - `asr` (numeric): Audio sampling rate in Hertz
- - `vbr` (numeric): Average video bitrate in KBit/s
- - `fps` (numeric): Frame rate
- - `dynamic_range` (string): The dynamic range of the video
- - `audio_channels` (numeric): The number of audio channels
- - `stretched_ratio` (float): `width:height` of the video's pixels, if not square
- - `vcodec` (string): Name of the video codec in use
- - `container` (string): Name of the container format
- - `filesize` (numeric): The number of bytes, if known in advance
- - `filesize_approx` (numeric): An estimate for the number of bytes
- - `protocol` (string): The protocol that will be used for the actual download