split frame in 3 plane problem

[omfarka]

hello everybody,

i want to ask a question about my broken frames in my project.

i am using ffmpeg funtions to work efficiently and when i get frame it looks like thisThis is a sample)

this is my function in code

buffer=malloc(numBytes);

avpicture_fill((AVPicture *)pFrameRGB, buffer, PIX_FMT_RGB24,
pCodecCtx->width, pCodecCtx->height);

how can i fix this problem?