C# Class Business.DownloadBusiness

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Public Properties

Property	Type	Description
DownloadedExtensions	string[]

Public Methods

Method	Description
DownloadVideoAsync ( Media video, int queuePos, EventHandler callback ) : Task	Downloads specified video from YouTube.
DownloadVideoAsync ( Media video, int queuePos, bool upgradeAudio, EventHandler callback ) : Task	Downloads specified video from YouTube.
GetAudioExtension ( AudioType audio ) : string	Returns the file extension for specified audio type.
GetCodecExtension ( VideoType video ) : string	Returns the file extension for specified video codec type. To avoid conflicting file names, the codec extension must be different than the final extension.
GetDownloadUrlsAsync ( string url ) : Task>	Returns the list of download URLs from YouTube.
GetFinalExtension ( VideoType video, AudioType audio ) : string	Returns the file extension for specified video type. To avoid conflicting file names, the codec extension must be different than the final extension.
GetFinalExtension ( string video, string audio ) : string	Returns the file extension for specified video type. To avoid conflicting file names, the codec extension must be different than the final extension.
IsDownloadDuplicate ( Media request ) : bool
SelectBestAudio ( IEnumerable list ) : VideoInfo	Selects OGG (Vorbis) audio if available, otherwise AAC.
SelectBestFormat ( IEnumerable list ) : BestFormatInfo	Returns the best format from the list in this order of availability: WebM, Mp4 or Flash. Mp4 will be chosen if WebM is over 35% smaller.

Private Methods

Method	Description
DownloadCanceled ( Business.DownloadItem downloadInfo ) : void
DownloadCompletedAsync ( Business.DownloadItem downloadInfo ) : Task
DownloadFilesAsync ( Business.DownloadItem downloadInfo, EventHandler callback ) : Task	Downloads the specified list of files.
DownloadVideoAsync ( Business.DownloadItem downloadInfo, Business.DownloadItem fileInfo, EventHandler callback ) : Task
FileHasContent ( string fileName ) : bool	Returns whether specified file exists and contains data (at least 500KB).
RaiseCallback ( Business.DownloadItem downloadInfo ) : void
StartDownloadAsync ( Business.DownloadItem downloadInfo ) : Task
StartNextDownloadAsync ( ) : Task

Method Details

DownloadVideoAsync() public method

Downloads specified video from YouTube.

public DownloadVideoAsync ( Media video, int queuePos, EventHandler callback ) : Task
video	DataAccess.Media	The video to download.
queuePos	int	The position in the queue to auto-play, or -1.
callback	EventHandler	The method to call once download is completed.
return	Task

DownloadVideoAsync() public method

Downloads specified video from YouTube.

public DownloadVideoAsync ( Media video, int queuePos, bool upgradeAudio, EventHandler callback ) : Task
video	DataAccess.Media	The video to download.
queuePos	int	The position in the queue to auto-play, or -1.
upgradeAudio	bool	If true, only the audio will be downloaded and it will be merged with the local video file.
callback	EventHandler	The method to call once download is completed.
return	Task

GetAudioExtension() public method

Returns the file extension for specified audio type.

public GetAudioExtension ( AudioType audio ) : string
audio	AudioType	The audio type to get file extension for.
return	string

GetCodecExtension() public method

Returns the file extension for specified video codec type. To avoid conflicting file names, the codec extension must be different than the final extension.

public GetCodecExtension ( VideoType video ) : string
video	VideoType	The video type to get file extension for.
return	string

GetDownloadUrlsAsync() public static method

Returns the list of download URLs from YouTube.

public static GetDownloadUrlsAsync ( string url ) : Task>
url	string	The YouTube video URL to query.
return	Task>

GetFinalExtension() public method

Returns the file extension for specified video type. To avoid conflicting file names, the codec extension must be different than the final extension.

public GetFinalExtension ( VideoType video, AudioType audio ) : string
video	VideoType	The video type to get file extension for.
audio	AudioType
return	string

GetFinalExtension() public method

Returns the file extension for specified video type. To avoid conflicting file names, the codec extension must be different than the final extension.

public GetFinalExtension ( string video, string audio ) : string
video	string	The video type to get file extension for.
audio	string
return	string

IsDownloadDuplicate() public method

public IsDownloadDuplicate ( Media request ) : bool
request	DataAccess.Media
return	bool

SelectBestAudio() public static method

Selects OGG (Vorbis) audio if available, otherwise AAC.

public static SelectBestAudio ( IEnumerable list ) : VideoInfo
list	IEnumerable	The list of available audios.
return	VideoInfo

SelectBestFormat() public static method

Returns the best format from the list in this order of availability: WebM, Mp4 or Flash. Mp4 will be chosen if WebM is over 35% smaller.

public static SelectBestFormat ( IEnumerable list ) : BestFormatInfo
list	IEnumerable	The list of videos to chose from.
return	BestFormatInfo

Property Details

DownloadedExtensions public_oe static_oe property

public static string[] DownloadedExtensions
return	string[]