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Compiler: Problem about the image offset while using egl extend function

Tool/software: TI C/C++ Compiler

Hi

  Vision SDK versioned 3.2

 we use opengles 2.0 to  display  the  video screen in real time, but the display picture appear offset  every other frame (odd frame is correct,even frame error)

we use System_eglGetTexYuv() to get yuv image id (images are stored in sr1 buffer),glBindTexture(GL_TEXTURE_EXTERNAL_OES,id)  to blind texture;

if we memcpy yuv image to  malloc  memory(ARM) and then get image id ,the image can display correct.

1.how can we avoid image offset

2.is there anything special about sr1 memory while we using  System_eglGetTexYuv() ?

Thanks