BrightSign Object Reference Manual (FW 5.1) - Manual (Page 115)

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a["SourceHeight"] = 500
v.PlayFile(a)
This displays a windowed portion of the test.ts video file starting at coordinates SourceX, SourceY, and SourceWidth by
SourceHeight in size. The viewmode is still honored as if displaying the whole file.
RF Channel Scanning
The PlayFile() method can be used for channel scanning and handling functionality similar to roChannelManager . To
use PlayFile() for channel scanning, pass an roAssociativeArray with the following possible parameters:
• VirtualChannel
• RfChannel
• SpectralInversion
o INVERSION_ON
o INVERSION_OFF
o INVERSION_AUTO
• ModulationType
o QAM_64
o QAM_256
o QAM_AUTO
o 8VSB
• VideoCodec
o MPEG1-Video
o MPEG2-Video
o MPEG4Part2-Video
o H264
o H264-SVC