////////////////////////////////////////////////////////////////////////////////
// the plugin's description routine
static OfxStatus
describe(OfxImageEffectHandle effect)
{
// fetch the host APIs
OfxStatus stat;
if((stat = ofxuFetchHostSuites()) != kOfxStatOK)
return stat;
// see if the host supports overlays
int supportsOverlays;
gPropHost->propGetInt(gHost->host, kOfxImageEffectPropSupportsOverlays, 0, &supportsOverlays);
if(supportsOverlays == 0)
return kOfxStatErrMissingHostFeature;
// get the property handle for the plugin
OfxPropertySetHandle effectProps;
gEffectHost->getPropertySet(effect, &effectProps);
// define the plugin to the host
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 0, kOfxBitDepthByte);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 1, kOfxBitDepthShort);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 2, kOfxBitDepthFloat);
// set the bit depths the plugin can handle
gPropHost->propSetString(effectProps, kOfxPropLabel, 0, "OFX Overlay Example");
gPropHost->propSetString(effectProps, kOfxImageEffectPluginPropGrouping, 0, "OFX Example");
// define the contexts we can be used in
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedContexts, 0, kOfxImageEffectContextFilter);
// set the property that is the overlay's main entry point for the plugin
gPropHost->propSetPointer(effectProps, kOfxImageEffectPluginPropOverlayInteractV1, 0, (void *) overlayMain);
return kOfxStatOK;
}
////////////////////////////////////////////////////////////////////////////////
// the plugin's description routine
static OfxStatus
describe(OfxImageEffectHandle effect)
{
// first fetch the host APIs, this cannot be done before this call
OfxStatus stat;
if((stat = ofxuFetchHostSuites()) != kOfxStatOK)
return stat;
gOpenGLSuite =
(OfxImageEffectOpenGLRenderSuiteV1 *)gHost->fetchSuite(gHost->host, kOfxOpenGLRenderSuite, 1);
// record a few host features
gPropHost->propGetInt(gHost->host, kOfxImageEffectPropSupportsMultipleClipDepths, 0, &gHostSupportsMultipleBitDepths);
// get the property handle for the plugin
OfxPropertySetHandle effectProps;
gEffectHost->getPropertySet(effect, &effectProps);
// We can render both fields in a fielded images in one hit if there is no animation
// So set the flag that allows us to do this
gPropHost->propSetInt(effectProps, kOfxImageEffectPluginPropFieldRenderTwiceAlways, 0, 0);
// say we can support multiple pixel depths and let the clip preferences action deal with it all.
gPropHost->propSetInt(effectProps, kOfxImageEffectPropSupportsMultipleClipDepths, 0, 1);
// set the bit depths the plugin can handle
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 0, kOfxBitDepthByte);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 1, kOfxBitDepthShort);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 2, kOfxBitDepthFloat);
// set some labels and the group it belongs to
gPropHost->propSetString(effectProps, kOfxPropLabel, 0, "OFX OpenGL Example");
gPropHost->propSetString(effectProps, kOfxImageEffectPluginPropGrouping, 0, "OFX Example");
// define the contexts we can be used in
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedContexts, 0, kOfxImageEffectContextFilter);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedContexts, 1, kOfxImageEffectContextGeneral);
// we support OpenGL rendering (could also say "needed" here)
gPropHost->propSetString(effectProps, kOfxImageEffectPropOpenGLRenderSupported, 0, "true");
{
char *s = NULL;
stat = gPropHost->propGetString(gHost->host, kOfxImageEffectPropOpenGLRenderSupported, 0, &s);
DPRINT(("Host has OpenGL render support: %s (stat=%d)\n", s, stat));
gHostSupportsOpenGL = stat == 0 && !strcmp(s, "true");
}
// we support all the OpenGL bit depths
gPropHost->propSetString(effectProps, kOfxOpenGLPropPixelDepth, 0, kOfxBitDepthByte);
gPropHost->propSetString(effectProps, kOfxOpenGLPropPixelDepth, 1, kOfxBitDepthShort);
gPropHost->propSetString(effectProps, kOfxOpenGLPropPixelDepth, 2, kOfxBitDepthFloat);
return kOfxStatOK;
}
////////////////////////////////////////////////////////////////////////////////
// the plugin's description routine
static OfxStatus
describe(OfxImageEffectHandle effect)
{
// first fetch the host APIs, this cannot be done before this call
OfxStatus stat;
if((stat = ofxuFetchHostSuites()) != kOfxStatOK)
return stat;
// record a few host features
gPropHost->propGetInt(gHost->host, kOfxImageEffectPropSupportsMultipleClipDepths, 0, &gHostSupportsMultipleBitDepths);
// get the property handle for the plugin
OfxPropertySetHandle effectProps;
gEffectHost->getPropertySet(effect, &effectProps);
// We can render both fields in a fielded images in one hit if there is no animation
// So set the flag that allows us to do this
gPropHost->propSetInt(effectProps, kOfxImageEffectPluginPropFieldRenderTwiceAlways, 0, 0);
// say we can support multiple pixel depths and let the clip preferences action deal with it all.
gPropHost->propSetInt(effectProps, kOfxImageEffectPropSupportsMultipleClipDepths, 0, 1);
// set the bit depths the plugin can handle
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 0, kOfxBitDepthByte);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 1, kOfxBitDepthShort);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 2, kOfxBitDepthFloat);
// set some labels and the group it belongs to
gPropHost->propSetString(effectProps, kOfxPropLabel, 0, "OFX Gain Example");
gPropHost->propSetString(effectProps, kOfxImageEffectPluginPropGrouping, 0, "OFX Example");
// define the contexts we can be used in
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedContexts, 0, kOfxImageEffectContextFilter);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedContexts, 1, kOfxImageEffectContextGeneral);
return kOfxStatOK;
}
////////////////////////////////////////////////////////////////////////////////
// the plugin's description routine
static OfxStatus
describe(OfxImageEffectHandle effect)
{
// first fetch the host APIs, this cannot be done before this call
OfxStatus stat;
if((stat = ofxuFetchHostSuites()) != kOfxStatOK)
return stat;
int hostSupportsMultipleDepths;
// record a few host features
gPropHost->propGetInt(gHost->host, kOfxImageEffectPropSupportsMultipleClipDepths, 0, &hostSupportsMultipleDepths);
// see how many bit depths the host supports, this affects our parameter values
int nHostDepths;
gPropHost->propGetDimension(gHost->host, kOfxImageEffectPropSupportedPixelDepths, &nHostDepths);
// If the host cannot support multiple bit depths on in and out clips or it only supports 1 bit depth
// we cant do any work, so refuse to load and explain why.
if(!hostSupportsMultipleDepths || nHostDepths == 1) {
// post a message
gMessageSuite->message(effect, kOfxMessageError, kMessageNotEnoughBits,
"OFX GeneratorExample : cannot run on this application because the it does not allow effects to change the bit depth of images.");
// and refuse to load
return kOfxStatErrMissingHostFeature;
}
// get the property handle for the plugin
OfxPropertySetHandle effectProps;
gEffectHost->getPropertySet(effect, &effectProps);
// We can render both fields in a fielded image in one hit as there is no animation and no spatially dependant parameters
gPropHost->propSetInt(effectProps, kOfxImageEffectPluginPropFieldRenderTwiceAlways, 0, 0);
// say we can support multiple pixel depths on in and out
gPropHost->propSetInt(effectProps, kOfxImageEffectPropSupportsMultipleClipDepths, 0, 1);
// set the bit depths the plugin can handle
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 0, kOfxBitDepthByte);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 1, kOfxBitDepthShort);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedPixelDepths, 2, kOfxBitDepthFloat);
// figure which bit depths are supported
int i;
for(i = 0; i < nHostDepths; i++) {
char *depthStr;
gPropHost->propGetString(gHost->host, kOfxImageEffectPropSupportedPixelDepths, i, &depthStr);
int nBits = ofxuMapPixelDepth(depthStr);
switch(nBits) {
case 8 : gSupportsBytes = true; break;
case 16 : gSupportsShorts = true; break;
case 32 : gSupportsFloats = true; break;
}
}
// now set a mapping from parameter value to bit depth
i = 0;
if(gSupportsBytes) gDepthParamToBytes[i++] = 8;
if(gSupportsShorts) gDepthParamToBytes[i++] = 16;
if(gSupportsFloats) gDepthParamToBytes[i++] = 32;
// set some labels and the group it belongs to
gPropHost->propSetString(effectProps, kOfxPropLabel, 0, "OFX Depth Converter");
gPropHost->propSetString(effectProps, kOfxImageEffectPluginPropGrouping, 0, "OFX Example");
// define the contexts we can be used in
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedContexts, 0, kOfxImageEffectContextFilter);
gPropHost->propSetString(effectProps, kOfxImageEffectPropSupportedContexts, 1, kOfxImageEffectContextGeneral);
return kOfxStatOK;
}
