Lines Matching +full:audio +full:- +full:video
1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
7 Video Output Interface
10 Video output devices encode stills or image sequences as analog video
14 Conventionally V4L2 video output devices are accessed through character
15 device special files named ``/dev/video`` and ``/dev/video0`` to
17 ``/dev/video`` is typically a symbolic link to the preferred video
20 .. note:: The same device file names are used also for video capture devices.
25 Devices supporting the video output interface set the
30 functions they may also support the :ref:`raw VBI output <raw-vbi>`
32 streaming I/O methods must be supported. Modulators and audio outputs
38 Video output devices shall support :ref:`audio output <audio>`,
41 :ref:`streaming parameter <streaming-par>` ioctls as needed. The
42 :ref:`video output <video>` ioctls must be supported by all video
49 former select an area of the video picture where the image will appear,
88 details. Video output devices must implement both the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
96 A video output device may support the :ref:`write() function <rw>`