Unexplained problem with PF_TRANSFER_RECT in the first

It is transferred from after effects SDK forum, since I couldn't help there:

http://forums.Adobe.com/message/4456832

I am trying to perform a simple operation using AE SDK for effect in first:

Create a new world (mask) and fill it with the color and alpha, then mix it with a composite mode selected images.

I did works in After Effects. It uses WorldTransformSuite1 transfer_rect, which is not supported by first. However, his counterpart, PF_TRANSFER_RECT is supposed to be supported.

The first results, be it to YUV or RGB, are really almost at random according to the color that I select. Sometimes I get a blue cast throughout the image regardless of alpha channel, sometimes, I get the mutated alpha channel, even though I have the rgb_only flag set to true, sometimes just apparently nothing happens at all.

The mask is drawn correctly. If I simply copy output worldwide, all right. Clearly, this is the PF_TRANSFER_RECT who is to blame for inappropriate transfer.

Can someone help me? I tried to debug this thing, but I can't seem to find a meaning in the behavior.

The legend of PF_TRANSFER_RECT is pretty generic:

     ERR(PF_TRANSFER_RECT(                          in_data->quality,
                         PF_MF_Alpha_STRAIGHT,
                          in_data->field,
                          &output->extent_hint,          // rectangle
                          &mask,                    // source world
                          &composite_mode,          // comp mode
                          &mask_world,               // mask world
                          0,                         // dest_x
                          0,                         // dest_y
                          &temp) );                    //dst world

Temp is already filled with & params [PLUGIN_LAYER]--> u.ld

mask_world is defined as the world of mask for mask and PF_MaskFlag_NONE flag.

I struggle with it for a week, and I'm totally frustrated.

Hi walczakb,

I went ahead and posted a reply in your AE SDK original forum thread.

Zac

Tags: Premiere

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