Caps describe an audio format, or a container format that can store audio.
Caps describe a container format.
Container format can store any kind of stream type.
Caps describe an image format, or a container format that can store image.
Caps describe an subtitle format, or a container format that can store subtitles.
Container format is a tags container.
Caps describe an video format, or a container format that can store video.
Flags that are returned by gst_pb_utils_get_caps_description_flags() and describe the format of the caps.