Lines Matching full:overlay

6 Video Output Overlay Interface
11 Some video output devices can overlay a framebuffer image onto the
12 outgoing video signal. Applications can set up such an overlay using
14 :ref:`Video Overlay <overlay>` interface.
29 Devices supporting the *Video Output Overlay* interface set the
38 Contrary to the *Video Overlay* interface the framebuffer is normally
103        for the video output overlay, or -1 if no device was found. */
106 Overlay Window and Scaling
109 The overlay is controlled by source and target rectangles. The source
115 :ref:`Video Overlay <overlay>` interface.
119 clipping/blending method to be used for the overlay. To get the current
135 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` this also works after the overlay has been enabled.
138 of the target rectangle. The scaling factor of the overlay is implied by
141 *Video Output* and *Video Output Overlay* devices in the same way as to
142 *Video Capture* and *Video Overlay* devices, merely reversing the
146 Enabling Overlay
149 There is no V4L2 ioctl to enable or disable the overlay, however the