calc_plane
ctx->luma_size = calc_plane(ctx->stride[0], ctx->img_height);
ctx->chroma_size = calc_plane(ctx->stride[1], (ctx->img_height / 2));
ctx->luma_size = calc_plane(ctx->stride[0], ctx->img_height);
ctx->chroma_size = calc_plane(ctx->stride[1], (ctx->img_height / 2));
ctx->chroma_size_1 = calc_plane(ctx->stride[2], (ctx->img_height / 2));