Constructor
new MediaSourcePlayhead(mediaElementnon-null, manifest, config, startTimenullable, onSeek, onEvent)
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
mediaElement |
HTMLMediaElement | ||
manifest |
shaka.extern.Manifest | ||
config |
shaka.extern.StreamingConfiguration | ||
startTime |
number |
<nullable> |
The playhead's initial position in seconds. If null, defaults to the start of the presentation for VOD and the live-edge for live. |
onSeek |
function | Called when the user agent seeks to a time within the presentation timeline. | |
onEvent |
function | Called when an event is raised to be sent to the application. |
- Implements:
- Source:
Members
minSeekRange_ :number
The seek range must be at least this number of seconds long. If it is
smaller than this, change it to be this big so we don't repeatedly seek
to keep within a zero-width window.
This is 3s long, to account for the weaker hardware on platforms like
Chromecast.
Type:
- number
- Source:
Methods
clampSeekToDuration_(time) → {number}
Clamp seek times and playback start times so that we never seek to the
presentation duration. Seeking to or starting at duration does not work
consistently across browsers.
Parameters:
| Name | Type | Description |
|---|---|---|
time |
number |
- Source:
- See:
Returns:
The adjusted seek time.
- Type
- number
clampTime_(time) → {number}
Clamps the given time to the seek range.
Parameters:
| Name | Type | Description |
|---|---|---|
time |
number | The time in seconds. |
- Source:
Returns:
The clamped time in seconds.
- Type
- number
createStallDetector_(mediaElementnon-null, config, onEvent) → {shaka.media.StallDetector}
Create and configure a stall detector using the player's streaming
configuration settings. If the player is configured to have no stall
detector, this will return |null|.
Parameters:
| Name | Type | Description |
|---|---|---|
mediaElement |
HTMLMediaElement | |
config |
shaka.extern.StreamingConfiguration | |
onEvent |
function(!Event) | Called when an event is raised to be sent to the application. |
- Source:
Returns:
getGapsJumped() → {number}
Get the number of playback gaps jumped by the GapJumpingController.
- Implements:
- Source:
Returns:
- Type
- number
getStallsDetected() → {number}
Get the number of playback stalls detected by the StallDetector.
- Implements:
- Source:
Returns:
- Type
- number
getStartTime_(startTimenullable) → {number}
Gets the playhead's initial position in seconds.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
startTime |
number |
<nullable> |
- Source:
Returns:
- Type
- number
getTime() → {number}
Get the current playhead position. The position will be restricted to valid
time ranges.
- Implements:
- Source:
Returns:
- Type
- number
notifyOfBufferingChange()
Notify the playhead that the buffered ranges have changed.
- Implements:
- Source:
onPollWindow_()
Called on a recurring timer to keep the playhead from falling outside the
availability window.
- Source:
onStarted_(startTime)
Called when the video element has started up and is listening for new seeks
Parameters:
| Name | Type | Description |
|---|---|---|
startTime |
number |
- Source:
ready()
Called when the Player is ready to begin playback. Anything that depends
on setStartTime() should be done here, not in the constructor.
- Implements:
- Source:
- See:
release()
Request that this object release all internal references.
- Inherited From:
- Implements:
- Source:
reposition_(currentTime) → {number}
Computes a new playhead position that's within the presentation timeline.
Parameters:
| Name | Type | Description |
|---|---|---|
currentTime |
number |
- Source:
Returns:
The time to reposition the playhead to.
- Type
- number
setStartTime(startTime)
Set the start time. If the content has already started playback, this will
be ignored.
Parameters:
| Name | Type | Description |
|---|---|---|
startTime |
number |
- Implements:
- Source: