BrightSign Object Reference Manual (FW 5.1) - Manual (Page 116)

108
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