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Diffstat (limited to 'Documentation/linux_tv/media/dvb/video-freeze.rst')
| -rw-r--r-- | Documentation/linux_tv/media/dvb/video-freeze.rst | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/Documentation/linux_tv/media/dvb/video-freeze.rst b/Documentation/linux_tv/media/dvb/video-freeze.rst index d384e329b661..8fbc7835382c 100644 --- a/Documentation/linux_tv/media/dvb/video-freeze.rst +++ b/Documentation/linux_tv/media/dvb/video-freeze.rst @@ -2,31 +2,23 @@ .. _VIDEO_FREEZE: +============ VIDEO_FREEZE ============ -Description ------------ +NAME +---- -This ioctl is for DVB devices only. To control a V4L2 decoder use the -V4L2 :ref:`VIDIOC_DECODER_CMD` instead. - -This ioctl call suspends the live video stream being played. Decoding -and playing are frozen. It is then possible to restart the decoding and -playing process of the video stream using the VIDEO_CONTINUE command. -If VIDEO_SOURCE_MEMORY is selected in the ioctl call -VIDEO_SELECT_SOURCE, the DVB subsystem will not decode any more data -until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed. +VIDEO_FREEZE -Synopsis +SYNOPSIS -------- .. c:function:: int ioctl(fd, int request = VIDEO_FREEZE) -Arguments ----------- - +ARGUMENTS +--------- .. flat-table:: :header-rows: 0 @@ -46,11 +38,23 @@ Arguments - Equals VIDEO_FREEZE for this command. -Return Value +DESCRIPTION +----------- + +This ioctl is for DVB devices only. To control a V4L2 decoder use the +V4L2 :ref:`VIDIOC_DECODER_CMD` instead. + +This ioctl call suspends the live video stream being played. Decoding +and playing are frozen. It is then possible to restart the decoding and +playing process of the video stream using the VIDEO_CONTINUE command. +If VIDEO_SOURCE_MEMORY is selected in the ioctl call +VIDEO_SELECT_SOURCE, the DVB subsystem will not decode any more data +until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed. + + +RETURN VALUE ------------ On success 0 is returned, on error -1 and the ``errno`` variable is set appropriately. The generic error codes are described at the :ref:`Generic Error Codes <gen-errors>` chapter. - - |