SDI Technologies iH30 Especificaciones descargar pdf (Pagina 77)

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Quadro SDI Output PG-03776-001_v06 | 72

return E_FAIL;

}

return S_OK;

}

At the time that the video output device is configured and prior to calling either

wglBindVideoImageNV() or glXBindVideoImageNV(),this number of internal buffers

can be specified by an application using

NvAPI_VIO_SetConfig(). The number of

internal buffers specified must be between two and seven.

Code Listing 52: Setting the Number of Internal Buffers on Windows

// Set flip queue length

HRESULT

setFlipQueueLength(unsigned int uiFQL)

{

NVVIOCONFIG l_vioConfig;

memset(&l_vioConfig, 0, sizeof(l_vioConfig));

l_vioConfig.version = NVVIOCONFIG_VER;

l_vioConfig.fields = 0;

l_vioConfig.fields = NVVIOCONFIG_FLIPQUEUELENGTH;

l_vioConfig.vioConfig.outConfig.flipQueueLength = numBuffers;

// Set configuration

if (NvAPI_VIO_SetConfig(hVIO, &l_vioConfig)!= NVAPI_OK) {

return E_FAIL;

}

return S_OK;

}

On Linux, the number of internal buffers can be specified with

XNVCTRLsetAttribute() as demonstrated.

// Set number of internal buffers

XNVCTRLSetAttribute(dpy, screen, 0, NV_CTRL_GVO_FLIP_QUEUE_SIZE, 2);

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SDI Technologies iH30 Especificaciones Pagina 77