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Get the index of the next video buffer to fill
int PgNextVideoFrame( PgVideoChannel_t *channel );
ph
PgNextVideoFrame() returns the index of the video buffers into
which your application should copy the video frame data.
Call this function before transferring a frame of video data to the
video overlay scaler.
The index of the video buffer, or -1 if an error occurred.
Photon
| Safety: | |
|---|
| Interrupt handler |
No |
| Signal handler |
No |
| Thread |
No |
PgConfigScalerChannel(),
PgCreateVideoChannel(),
PgDestroyVideoChannel(),
PgGetOverlayChromaColor(),
PgGetScalerCapabilities(),
PgScalerCaps_t,
PgScalerProps_t,
PgVideoChannel_t
“Video overlay”
in the Raw Drawing and Animation chapter of the
Photon Programmer's Guide
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