Class: shaka.cea.Cea608Memory

Constructor

new Cea608Memory(fieldNum, channelNum)

Parameters:
Name Type Description
fieldNum number Field number.
channelNum number Channel number.
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Members

CC_ROWS :number

Maximum number of rows in the buffer.
Type:
  • number
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CharSet :number

Characters sets.
Type:
  • number
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ROW_TO_LINE_CONVERSION_ :Map<number, number>

@const
Type:
  • Map<number, number>
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backgroundColor_ :string

Type:
  • string
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channelNum_ :number

Channel number.
Type:
  • number
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fieldNum_ :number

Field number.
Type:
  • number
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indent_ :number

Type:
  • number
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italics_ :boolean

Type:
  • boolean
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offset_ :number

Type:
  • number
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row_ :number

Current row.
Type:
  • number
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rows_ :Array<!Array<!shaka.cea.CeaUtils.StyledChar>>

Buffer for storing decoded characters.
Type:
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scrollRows_ :number

Number of rows in the scroll window. Used for rollup mode.
Type:
  • number
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textColor_ :string

Type:
  • string
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underline_ :boolean

Type:
  • boolean
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Methods

addChar(setnon-null, b)

Adds a character to the buffer.
Parameters:
Name Type Description
set shaka.cea.Cea608Memory.CharSet Character set.
b number CC byte to add.
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eraseBuffer()

Erases entire memory buffer. Doesn't change scroll state or number of rows.
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eraseChar()

Erases a character from the buffer.
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forceEmit(startTime, endTime) → {shaka.extern.ICaptionDecoder.ClosedCaption}

Emits a closed caption based on the state of the buffer.
Parameters:
Name Type Description
startTime number Start time of the cue.
endTime number End time of the cue.
Source:
Returns:
Type
shaka.extern.ICaptionDecoder.ClosedCaption

getRow() → {number}

Source:
Returns:
Type
number

getScrollSize() → {number}

Source:
Returns:
Type
number

moveRows(dst, src, count)

Moves rows of characters.
Parameters:
Name Type Description
dst number Destination row index.
src number Source row index.
count number Count of rows to move.
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reset()

Resets the memory buffer.
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resetAllRows()

Resets the entire memory buffer.
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resetRows(idx, count)

Resets rows of characters.
Parameters:
Name Type Description
idx number Starting index.
count number Count of rows to reset.
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setBackgroundColor(color)

Parameters:
Name Type Description
color string
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setIndent(indentnullable)

Parameters:
Name Type Attributes Description
indent number <nullable>
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setItalics(italics)

Parameters:
Name Type Description
italics boolean
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setOffset(offset)

Parameters:
Name Type Description
offset number
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setRow(row)

Parameters:
Name Type Description
row number
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setScrollSize(scrollRows)

Parameters:
Name Type Description
scrollRows number
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setTextColor(color)

Parameters:
Name Type Description
color string
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setUnderline(underline)

Parameters:
Name Type Description
underline boolean
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