Snapshot template parameters-Intelligent Media Services(IMS)-阿里云帮助中心

This topic describes a sample Intelligent Media Services (IMS) snapshot template and the template parameters.

Parameter	Data type	Required	Description	Example
Type	string	Yes	The type of the snapshot template. Valid values: Cover: cover snapshot Normal: normal snapshot Sprite: Sprite snapshot	Sprite
FrameType	string	Yes	The frame type. Default value: intra. Valid values: normal: normal frame intra: I-frame	intra
Time	Long	Yes	The time at which the system starts to capture snapshots. Unit: milliseconds.	1000
Count	Long	Yes	The number of snapshots to be captured.	5
Interval	Long	No	The interval at which snapshots are captured. Unit: seconds.	10
Width	integer	No	The width of a captured snapshot.	720
Height	integer	No	The height of a captured snapshot.	480
BlackLevel	integer	No	The threshold that is used to filter out black frames for the first snapshot to be captured. This feature is available if you request the system to capture multiple snapshots.	30
PixelBlackThreshold	integer	No	The color value threshold that determines whether a pixel is black.	70
SpriteSnapshotConfig	SpriteSnapshotConfig	No	The configuration of the sprite snapshot.	For more information, see SpriteSnapshotConfig.
IsSptFrag	boolean	No	Specifies whether to tile the Web Video Text Tracks (WebVTT) snapshots. Valid values: true: The WebVTT snapshots are false: The WebVTT snapshots are not tiled.	true

SpriteSnapshotConfig

Parameter	Data type	Required	Description	Example
CellWidth	integer	No	The width of a snapshot. Unit: pixels. The default value is the width of the output snapshot.	720
CellHeight	integer	No	The height of a snapshot. Unit: pixels. The default value is the height of the output snapshot.	480
Padding	integer	No	The spacing between two adjacent snapshots. Default value: 0. Unit: pixels.	20
Margin	integer	No	The margin width of the snapshot. Default value: 0. Unit: pixels.	20
Columns	integer	No	The number of columns that the tiled snapshot contains.	20
Lines	integer	No	The number of rows that the tiled snapshot contains.	20
Color	string	No	The background color.	#000000

{
  "Type": "Normal",
  "FrameType": "normal",
  "Time": 10000,
  "Count": 8,
  "Interval": 3
}