Player

Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.

Inherits from:
IMLMediaPlayer

Public Fields

AudioDRM

public Track.DRM AudioDRM { get; set; }

Type	Description
Track.DRM	MediaDRM to obtain the content keys for decrypting protected media streams.

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IsPlaying

Indicates if the media player is currently playing.

public bool IsPlaying { get; set; }

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IsPrepared

Indicates if the media player has been prepared.

public bool IsPrepared { get; set; }

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Source

The uri/path that the media player is currently set with.

public string Source { get; set; }

---

VideoDRM

public Track.DRM VideoDRM { get; set; }

Type	Description
Track.DRM	MediaDRM to obtain the content keys for decrypting protected media streams.

---

VideoRenderer

Media player video renderer

public MLNativeSurfaceYcbcrRenderer VideoRenderer { get; set; }

---

Public Methods

void CreateVideoRenderer

public void CreateVideoRenderer(
    uint width,
    uint height
)

Parameters

Type	Name	Description
uint	width
uint	height

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void Destroy

public void Destroy()

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MLResult GetDurationMS

public MLResult GetDurationMS(
    out int duration
)

Parameters

Type	Name	Description
out int	duration

---

int GetDurationMilliseconds

Gets the duration of the video in milliseconds

public int GetDurationMilliseconds()

Returns: Duration of the video, -1 on failure.

Reimplements: GetDurationMilliseconds

---

ulong GetFrameDropThresholdMs

public ulong GetFrameDropThresholdMs()

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int GetHeight

Get the height of the video in pixels

public int GetHeight()

Returns: The height of the video, -1 on failure.

Reimplements: GetHeight

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MLResult GetPositionMS

public MLResult GetPositionMS(
    out int position
)

Parameters

Type	Name	Description
out int	position

---

int GetPositionMilliseconds

Gets the current position of the video in milliseconds

public int GetPositionMilliseconds()

Returns: Position of the playback of the video, -1 on failure.

Reimplements: GetPositionMilliseconds

---

MLResult GetSpatialAudioChannelPosition

public MLResult GetSpatialAudioChannelPosition(
    uint channel,
    out Vector3 position
)

Parameters

Type	Name	Description
uint	channel
out Vector3	position

---

MLResult GetSpatialAudioEnable

public MLResult GetSpatialAudioEnable(
    out bool enabled
)

Parameters

Type	Name	Description
out bool	enabled

---

bool GetState

public bool GetState(
    PollingStateFlags stateFlags
)

Parameters

Type	Name	Description
PollingStateFlags	stateFlags	Comment Needed!

---

int GetVideoBitrate

public int GetVideoBitrate()

---

MLResult GetVideoSize

public MLResult GetVideoSize(
    out int width,
    out int height
)

Parameters

Type	Name	Description
out int	width
out int	height

---

int GetWidth

Get the width of the video in pixels

public int GetWidth()

Returns: The width of the video, -1 on failure.

Reimplements: GetWidth

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delegate void OnBufferingUpdateDelegate

Delegate for the the OnBufferingUpdate event.

public delegate void OnBufferingUpdateDelegate(
    MLMedia.Player mediaPlayer,
    float percent
)

Parameters

Type	Name	Description
MLMedia.Player	percent	The percent of buffering completed for the set source.
float	percent

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delegate void OnCaptionsTextDelegate

Delegate for the any OnCaptionsText event.

public delegate void OnCaptionsTextDelegate(
    MLMedia.Player mediaPlayer,
    string text
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.
string	text

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delegate void OnDRMTrackInfoDelegate

Delegate for the any OnDRMTrackInfo event.

public delegate void OnDRMTrackInfoDelegate(
    MLMedia.Player mediaPlayer,
    MLMedia.Player.Track.DRM.Info trackDRMInfo
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.
MLMedia.Player.Track.DRM.Info	trackDRMInfo	MediaPlayer DRMInfo for a Media Track.

---

delegate void OnErrorDelegate

Delegate for the any OnError event.

public delegate void OnErrorDelegate(
    MLMedia.Player mediaPlayer,
    MLResult.Code errorCode
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.
MLResult.Code	errorCode	Identifier of Magic Leap API results

---

delegate void OnInfoDelegate

Delegate for the the OnInfo event.

public delegate void OnInfoDelegate(
    MLMedia.Player mediaPlayer,
    MLMedia.Player.Info info
)

Parameters

Type	Name	Description
MLMedia.Player	info	The info event that has occured.
MLMedia.Player.Info	info	Indicates various trigger various media player actions. MLMediaPlayerInfo from ml_media_player.h .

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delegate void OnMediaPlayerGeneralDelegate

Delegate for the any OnMediaPlayerGeneral events (events that only return the mediaPlayer reference)

public delegate void OnMediaPlayerGeneralDelegate(
    MLMedia.Player mediaPlayer
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.

---

delegate void OnTimedTextUpdateDelegate

Delegate for the the OnTimedTextUpdate event.

public delegate void OnTimedTextUpdateDelegate(
    MLMedia.Player mediaPlayer,
    ulong timedText
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.
ulong	timedText

---

delegate void OnTrackFoundDelegate

Delegate for the any OnTrackFound event.

public delegate void OnTrackFoundDelegate(
    MLMedia.Player mediaPlayer,
    Track track
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.
Track	track	Track from the prepared source that can be selected by the media player.

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delegate void OnTrackSelectedDelegate

Delegate for the any OnTrackSelected event.

public delegate void OnTrackSelectedDelegate(
    MLMedia.Player mediaPlayer,
    Track selectedTrack
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.
Track	selectedTrack	Track from the prepared source that can be selected by the media player.

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delegate void OnVideoSizeChangedDelegate

Delegate for the any OnVideoSizeChanged event.

public delegate void OnVideoSizeChangedDelegate(
    MLMedia.Player mediaPlayer,
    int width,
    int height
)

Parameters

Type	Name	Description
MLMedia.Player	mediaPlayer	Media player script that allows playback of a streaming video (either from file or web URL) This script will update the main texture parameter of the Renderer attached as a sibling with the video frame from playback. Audio is also handled through this class and will playback audio from the file.
int	width
int	height

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MLResult Pause

Pauses the video.

public MLResult Pause()

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded.

Reimplements: Pause

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MLResult Play

Plays the video.

public MLResult Play()

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded.

Reimplements: Play

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Player

Constructor for the media player object.

public Player(
    out MLResult result
)

Parameters

Type	Name	Description
out MLResult	result	The native result for creating the media player.

Returns: An initialized media player object.

---

void PollForMetaData

public void PollForMetaData()

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MLResult PollState

public MLResult PollState(
    PollingStateFlags stateFlags,
    out PollingStateFlags state
)

Parameters

Type	Name	Description
PollingStateFlags	stateFlags	Comment Needed!
out PollingStateFlags	state	Comment Needed!

---

MLResult PollStates

public MLResult PollStates(
    out PollingStateFlags states
)

Parameters

Type	Name	Description
out PollingStateFlags	states	Comment Needed!

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MLResult PreparePlayer

public MLResult PreparePlayer()

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MLResult PreparePlayerAsync

public MLResult PreparePlayerAsync()

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MLResult Reset

public MLResult Reset()

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MLResult ResetAsync

public MLResult ResetAsync()

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MLResult Resume

Resume the video.

public MLResult Resume()

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded.

Reimplements: Resume

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MLResult Seek

Seeks the specified time in the video.

public MLResult Seek(
    int positionSeconds,
    SeekMode seekMode
)

Parameters

Type	Name	Description
int	positionSeconds	Absolute time to seek to.
SeekMode	seekMode	Mode indicating where exactly to seek to.

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded.

Reimplements: Seek

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MLResult SelectTrack

public MLResult SelectTrack(
    int index
)

Parameters

Type	Name	Description
int	index

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MLResult SelectTrack

public MLResult SelectTrack(
    Track track
)

Parameters

Type	Name	Description
Track	track	Track from the prepared source that can be selected by the media player.

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void SetFrameDropThresholdMs

public void SetFrameDropThresholdMs(
    ulong threshold
)

Parameters

Type	Name	Description
ulong	threshold

---

MLResult SetLooping

Sets the loop flag for the video.

public MLResult SetLooping(
    bool loop
)

Parameters

Type	Name	Description
bool	loop	Flag to loop

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded.

Reimplements: SetLooping

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MLResult SetSourcePath

Sets the source path that the media player will play content from.

public MLResult SetSourcePath(
    string source
)

Parameters

Type	Name	Description
string	source	Path of the media that's on the device.

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded. MLResult.Result will be MLResult.Code.InvalidParam if failed due to an invalid input parameter. MLResult.Result will be MLResult.Code.UnspecifiedFailure if failed due to internal error. MLResult.Result will be MLResult.Code.MediaGenericNoInit if media player was not properly built or initialized. MLResult.Result will be MLResult.Code.PermissionDenied if attempting to access web content without appropriate network permissions

Reimplements: SetSourcePath

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MLResult SetSourceURI

Sets the source path that the media player will play content from.

public MLResult SetSourceURI(
    string source
)

Parameters

Type	Name	Description
string	source	URI of the media.

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded. MLResult.Result will be MLResult.Code.InvalidParam if failed due to an invalid input parameter. MLResult.Result will be MLResult.Code.UnspecifiedFailure if failed due to internal error. MLResult.Result will be MLResult.Code.MediaGenericNoInit if media player was not properly built or initialized. MLResult.Result will be MLResult.Code.PermissionDenied if attempting to access web content without appropriate network permissions

Reimplements: SetSourceURI

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MLResult SetSpatialAudioChannelPosition

public MLResult SetSpatialAudioChannelPosition(
    uint channel,
    Vector3 position
)

Parameters

Type	Name	Description
uint	channel
Vector3	position

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MLResult SetSpatialAudioEnable

public MLResult SetSpatialAudioEnable(
    bool enable
)

Parameters

Type	Name	Description
bool	enable

---

MLResult SetStreamingSourcePath

public MLResult SetStreamingSourcePath(
    string path
)

Parameters

Type	Name	Description
string	path

---

MLResult SetVolume

Sets the volume of the video.

public MLResult SetVolume(
    float vol
)

Parameters

Type	Name	Description
float	vol	Volume between 0 and 1.

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded.

Reimplements: SetVolume

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MLResult Stop

Stops the video in the editor.

public MLResult Stop()

Returns: MLResult.Result will be MLResult.Code.Ok if operation succeeded.

Reimplements: Stop

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void UnlinkDataSource

public void UnlinkDataSource()

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MLResult UnselectTrack

public MLResult UnselectTrack(
    Track track
)

Parameters

Type	Name	Description
Track	track	Track from the prepared source that can be selected by the media player.

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Public Attributes

TTMLMime

public const string TTMLMime = "application/ttml+xml";

---

VTTMime

public const string VTTMime = "text/vtt";

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Public Events

OnBufferingUpdate

Event used to listen for when the media player is buffering.

public OnBufferingUpdateDelegate OnBufferingUpdate()

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OnCEA608

public OnCaptionsTextDelegate OnCEA608()

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OnCEA708

public OnCaptionsTextDelegate OnCEA708()

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OnCompletion

Event used to listen for the media player has completed playing it's source.

public OnMediaPlayerGeneralDelegate OnCompletion()

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OnDRMTrackInfo

public OnDRMTrackInfoDelegate OnDRMTrackInfo()

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OnError

Event used to listen for when the media player has an error.

public OnErrorDelegate OnError()

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OnFrameAvailable

Event used to listen for when the media player frame is available (used for rendering purposes).

public OnMediaPlayerGeneralDelegate OnFrameAvailable()

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OnFramePacking

Event used to listen for when the frames are packed.

public OnMediaPlayerGeneralDelegate OnFramePacking()

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OnInfo

Event used to listen for when information about the media player, see the MLMedia.Player.Info enum for the types of information given.

public OnInfoDelegate OnInfo()

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OnMediaSubtitleUpdate

Event used to listen for when subtitles are updated.

public OnMediaPlayerGeneralDelegate OnMediaSubtitleUpdate()

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OnPause

Event used to listen for when Pause() has been called.

public OnMediaPlayerGeneralDelegate OnPause()

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OnPlay

Event used to listen for when Play() has been called.

public OnMediaPlayerGeneralDelegate OnPlay()

---

OnPrepared

Event used to listen for when the media player has finished preparing.

public OnMediaPlayerGeneralDelegate OnPrepared()

---

OnResetComplete

Event used to listen for when the media player resets.

public OnMediaPlayerGeneralDelegate OnResetComplete()

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OnSeekComplete

Event used to listen for when the media player has finished seeking.

public OnMediaPlayerGeneralDelegate OnSeekComplete()

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OnStop

Event used to listen for when Stop() has been called.

public OnMediaPlayerGeneralDelegate OnStop()

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OnTimedText

Event used to listen for when timed text apppears.

public OnCaptionsTextDelegate OnTimedText()

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OnTrackFound

public OnTrackFoundDelegate OnTrackFound()

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OnTrackSelected

public OnTrackSelectedDelegate OnTrackSelected()

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OnVideoSizeChanged

Event used to listen for when the video size changes.

public OnVideoSizeChangedDelegate OnVideoSizeChanged()

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Public Enums

AudioChannel

Enumeration of the available audio channel indices in 5.1 SMPTE order.

Enumerator	Value	Description
FrontLeft	0	Front left channel index.
FrontRight	1	Front right channel index.
FrontCenter	2	Front center channel index.
LowFrequencyEffects	3	Low frequency effects channel index.
SurroundLeft	4	Surround left channel index.
SurroundRight	5	Surround right channel index.

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BufferingMode

Comment Needed!

Enumerator	Value	Description
None		Do not support buffering.
TimeOnly		Support only time based buffering.
SizeOnly		Support only size based buffering.
TimeThenSize		Support both time and size based buffering, time based calculation precedes size based. Size based calculation will be used only when time information is not available for the stream.

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Cea608CaptionColor

CEA608 caption color code. MLCea608CaptionColor from ml_media_cea608_caption.h .

Enumerator	Value	Description
White	0	CEA608 caption color is white.
Green	1	CEA608 caption color is green.
Blue	2	CEA608 caption color is blue.
Cyan	3	CEA608 caption color is cyan. >
Red	4	CEA608 caption color is red.
Yellow	5	CEA608 caption color is yellow.
Magenta	6	CEA608 caption color is magenta.
Invalid	7	CEA608 caption color is invalid.

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Cea608CaptionDimension

CEA608 caption Dimension constants. MLCea608CaptionDimension from ml_media_cea608_caption.h .

Enumerator	Value	Description
MaxRows	15	Max number of rows.
MaxCols	32	Max number of columns.
MaxRowsPlus2	17	Max number of plus 2.
MaxColsPlus2	34	Max number of columns plus 2.

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Cea608CaptionStyle

CEA608 caption style code. MLCea608CaptionStyle from ml_media_cea608_caption.h .

Enumerator	Value	Description
Normal	0x00000000	CEA608 caption style code is normal.
Italics	0x00000001	CEA608 caption style code is italics.
Underline	0x00000002	CEA608 caption style code is underline.

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Cea708CaptionColorOpacity

CEA708 Caption Color Opacity constants. MLCea708CaptionColorOpacity from ml_media_cea708_caption.h .

Enumerator	Value	Description
Solid	0	Solid opacity.
Flash	1	Flashing opacity.
Translucent	2	Translucent opacity.
Transparent	3	Transparent opacity.

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Cea708CaptionEmitCommand

CEA708 Caption Emit Commands constants. MLCea708CaptionEmitCommand from ml_media_cea708_caption.h .

Enumerator	Value	Description
Buffer	1	Buffer command.
Control	2	Control command.
CWX	3	SetCurrentWindow tells the caption decoder which window the following commands describe:

• SetWindowAttributes
• SetPenAttributes
• SetPenColor
• SetPenLocation. If the window specified has not already been created with a DefineWindow command then, SetCurrentWindow and the window property commands can be safely ignored. | | CLW | 4| ClearWindows clears all the windows specified in the 8 bit window bitmap. | | DSW | 5| DisplayWindows displays all the windows specified in the 8 bit window bitmap. | | HDW | 6| HideWindows hides all the windows specified in the 8 bit window bitmap. | | TGW | 7| ToggleWindows hides all displayed windows, and displays all hidden windows specified in the 8 bit window bitmap. | | DLW | 8| DeleteWindows deletes all the windows specified in the 8 bit window bitmap. If the current window, as specified by the last SetCurrentWindow command, is deleted then the current window becomes undefined and the window attribute commands should have no effect until after the next SetCurrentWindow or DefineWindow command. | | DLY | 9| Delay suspends all processing of the current service, except for DelayCancel and Reset scanning. | | DLC | 10| DelayCancel terminates any active delay and resumes normal command processing. DelayCancel should be scanned for during a Delay. | | RST | 11| Reset deletes all windows, cancels any active delay, and clears the buffer before the Reset command. Reset should be scanned for during a Delay. | | SPA | 12| The SetPenAttributes command specifies how certain attributes of subsequent characters are to be rendered in the current window, until the next SetPenAttributes command. | | SPC | 13| SetPenColor sets the foreground, background, and edge color for the subsequent characters. | | SPL | 14| SetPenLocation sets the location of for the next bit of appended text in the current window. It has two parameters, row and column. | | SWA | 15| SetWindowAttributes Sets the window attributes of the current window. | | DFX | 16| DefineWindow0-7 creates one of the eight windows used by a caption decoder. |

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Cea708CaptionEmitCommandControl

CEA708 Caption Emit Command Control constants. MLCea708CaptionEmitCommandControl from ml_media_cea708_caption.h .

Enumerator	Value	Description
ETX	0x03	End of text.
BS	0x08	Back space.
FF	0x0c	This code is equivalent to CEA708 CLW command
HCR	0x0e	Carriage return.

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Cea708CaptionPenOffset

CEA708 Caption Pen Offset constants. MLCea708CaptionPenOffset from ml_media_cea708_caption.h .

Enumerator	Value	Description
Subscript	0	Subscript offset.
Normal	1	Normal offset.
Superscript	2	Superscript offset.

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Cea708CaptionPenSize

CEA708 Caption Pen Size constants. MLCea708CaptionPenSize from ml_media_cea708_caption.h .

Enumerator	Value	Description
Small	0	Small pen size.
Standard	1	Standard pen size.
Large	2	Large pen size.

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FramePackingFlags

Frame Packing Arrangement flags for stereoscopic videos.

Enumerator	Value	Description
None	0	No flags.
RightViewFirst	1	Right view first.
LeftFlipped	2	Left view flipped.
RightFlipped	4	Right view flipped.
Anaglyph_RedCyan	8	Anaglyph red/cyan.
AnaglyphGreenMagenta	16	Anaglyph green/magenta.

---

FramePackingMode

Frame Packing Arrangement for stereoscopic videos.

Enumerator	Value	Description
None	0	Not a stereoscopic video.
Checkboard		Checkboard.
ColumnInterleaved		Column interleaved.
RowInterleaved		Row interleaved.
SideBySideQuincunx		Side by side quincunx.
SideBySide		Side by side.
TopBottom		Top bottom.
MultiviewFrameByFrame		Multiview frame by frame.
FrameByFrame		Frame by frame.
Anaglyph		Anaglyph.

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Info

Indicates various trigger various media player actions. MLMediaPlayerInfo from ml_media_player.h .

Enumerator	Value	Description
Unknown	1	Unknown status
StartedAsNext	2	The player was started because it was used as the next player.
RenderingStart	3	The player just pushed the very first video frame for rendering.
Looping	4	The player just reached EOS and started from beginning loop.
Started	5	The player acknowledgement that it has started playing.
Paused	6	The player acknowledgement that it has paused.
Stopped	7	The player acknowledgement that it has stopped playing.
StartedBySharedPlayer	8	The player acknowledgement that it has started playing as result of shared player's request.
PausedBySharedPlayer	9	The player acknowledgement that it has paused playing as result of shared player's request.
SeekBySharedPlayer	10	The player acknowledgement that it is seeking as result of shared player's request.
StoppedBySharedPlayer	11	The player acknowledgement that it has stopped playing as result of shared player's request.
SyncStart	12	The Media player has started sync'ing with other shared players.
SyncComplete	13	The Media player has completed sync'ing with other shared players.
VideoTrackLagging	700	The video is too complex for the decoder: it can't decode frames fast enough.
BufferingStart	701	Media player is temporarily pausing playback.
BufferingEnd	702	Media player is resuming playback after filling buffers.
NetworkBandwidth	703	Network bandwidth info.
BehindLiveWindow	704	The player is Behind Live Window.
PowerStatePause	705	Media player is paused because device is in sleep or standby state.
PowerStateResume	706	Media player has resumed playback because device has returned from sleep or standby state.
BufferedDuration	707	Duration in milliseconds of buffered content.
BadInterleaving	800	Bad interleaving means that a media has been improperly interleaved.
NotSeekable	801	The media is not seekable e.g live stream.
MetadataUpdate	802	New media metadata is available.
PlayAudioError	804	Audio can not be played.
PlayVideoError	805	Video can not be played.
TimedTextError	900	Media timed text error.

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PollingStateFlags

Comment Needed!

Enumerator	Value	Description
IsPlaying	1 << 0	Playing.
IsLooping	1 << 1	Looping.
HasBeenPrepared	1 << 2	Prepared.
HasPlaybackCompleted	1 << 3	Playback completed.
HasSeekCompleted	1 << 4	Seek completed.
HasSizeChanged	1 << 5	Size changed.
HasBufferingUpdated	1 << 6	Buffering updated.
HasReceivedInfo	1 << 7	Received info.
HasReceivedError	1 << 8	Recieved error.
HasTimedTextUpdated	1 << 9	Timed text updated.
HasSubtitleUpdated	1 << 10	Subtitle updated.
HasMetadataUpdated	1 << 11	Metadata updated.
HasDrmInfoUpdated	1 << 12	DRM info updated.
HasResetCompleted	1 << 13	Async Reset completed.
All	~0u	All states.

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SeekMode

Mode indicating where exactly to seek to.

Enumerator	Value	Description
PreviousSync	0	Seek to the previous key frame.
NextSync		Seek to the next key frame.
ClosestSync		Seek to the closest key frame.
Closest		Seek to the closest frame, more accurate but slower.

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VideoScalingMode

VideoScalingMode.

Enumerator	Value	Description
ScaleToFit	1	Scale to fit.
ScaleToFitWithCropping	2	Scale to fit with cropping.

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