pub unsafe extern "C" fn gst_gl_memory_pbo_copy_into_texture(
    gl_mem: *mut GstGLMemoryPBO,
    tex_id: c_uint,
    target: GstGLTextureTarget,
    tex_format: GstGLFormat,
    width: c_int,
    height: c_int,
    stride: c_int,
    respecify: gboolean
) -> gboolean