toxav.py 文件源码

def callback_video_receive_frame(self, callback, user_data):
        """
        Set the callback for the `video_receive_frame` event. Pass None to unset.

        :param callback: Python function.
        The function type for the video_receive_frame callback.

        Should take
        toxAV           pointer (c_void_p) to ToxAV object,
        friend_number   The friend number (c_uint32) of the friend who sent a video frame.
        width           Width (c_uint16) of the frame in pixels.
        height          Height (c_uint16) of the frame in pixels.
        y
        u
        v               Plane data (POINTER(c_uint8)).
                            The size of plane data is derived from width and height where
                            Y = MAX(width, abs(ystride)) * height,
                            U = MAX(width/2, abs(ustride)) * (height/2) and
                            V = MAX(width/2, abs(vstride)) * (height/2).
        ystride
        ustride
        vstride         Strides data (c_int32). Strides represent padding for each plane that may or may not be present. You must
                        handle strides in your image processing code. Strides are negative if the image is bottom-up
                        hence why you MUST abs() it when calculating plane buffer size.
        user_data       pointer (c_void_p) to user_data
        :param user_data: pointer (c_void_p) to user data
        """
        c_callback = CFUNCTYPE(None, c_void_p, c_uint32, c_uint16, c_uint16, POINTER(c_uint8), POINTER(c_uint8),
                               POINTER(c_uint8), c_int32, c_int32, c_int32, c_void_p)
        self.video_receive_frame_cb = c_callback(callback)
        ToxAV.libtoxav.toxav_callback_video_receive_frame(self._toxav_pointer, self.video_receive_frame_cb, user_data)