Brightsign Object Reference Manual (FW 5.1) Instrukcja Użytkownika Pobierz pdf (Strona 116)

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o H264-MVC

o AVSC

• AudioCodec

o MPEG-Audio

o AAC

o AAC+

o AC3

o AC3+

o DTS

• VideoPid

• AudioPid

• PcrPid

The VirtualChannel and RfChannel parameters must be present for PlayFile() to scan correctly. If you specify only

these parameters, the player will scan the RF channel for a QAM/ATSC signal and attempt to retrieve the specified virtual

channel from the results. The results from this action are cached so that subsequent calls to PlayFile() will take much less

time. Providing the SpectralInversion and/or ModulationType parameters will further speed up the scanning

process.

If all parameters are supplied, then no scanning is required and the player can tune to the channel immediately. If one or

more of the optional parameters is missing, then the player must parse the transport stream metadata to find the

appropriate values for the supplied VirtualChannel and RfChannel.

Preferred Streams

If multiple video, audio, or data streams are encapsulated in the video input, you can use the SetPreferredVideo(),

SetPreferredAudio(), and SetPreferredCaptions() methods to determine which stream to use. For example, if

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