data_type large_stringclasses 3
values | source large_stringclasses 29
values | code large_stringlengths 98 49.4M | filepath large_stringlengths 5 161 ⌀ | message large_stringclasses 234
values | commit large_stringclasses 234
values | subject large_stringclasses 418
values | critique large_stringlengths 101 1.26M ⌀ | metadata dict |
|---|---|---|---|---|---|---|---|---|
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_DQEVENT:
*****************
ioctl CEC_DQEVENT
*****************
Name
====
CEC_DQEVENT - Dequeue a CEC event
Synopsis
========
.. c:macro:: CEC_DQEVENT
``int ioctl(int fd, CEC_DQEVENT, struct cec_event *argp)``
Arguments
====... | Documentation/userspace-api/media/cec/cec-ioc-dqevent.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_MODE:
.. _CEC_G_MODE:
.. _CEC_S_MODE:
********************************
ioctls CEC_G_MODE and CEC_S_MODE
********************************
CEC_G_MODE, CEC_S_MODE - Get or set exclusive use of the CEC adapter
Synopsis
========
..... | Documentation/userspace-api/media/cec/cec-ioc-g-mode.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: CEC
.. _CEC_TRANSMIT:
.. _CEC_RECEIVE:
***********************************
ioctls CEC_RECEIVE and CEC_TRANSMIT
***********************************
Name
====
CEC_RECEIVE, CEC_TRANSMIT - Receive or transmit a CEC message
Synopsis
========
... | Documentation/userspace-api/media/cec/cec-ioc-receive.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _cec_pin_error_inj:
CEC Pin Framework Error Injection
=================================
The CEC Pin Framework is a core CEC framework for CEC hardware that only
has low-level support for the CEC bus. Most hardware today will have
high-level CEC support w... | Documentation/userspace-api/media/cec/cec-pin-error-inj.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
ASPEED video driver
===================
ASPEED Video Engine found on AST2400/2500/2600 SoC supports high performance
video compressions with a wide range of video quality and compression ratio
options. The adopted compressing algorithm is a modified JPEG ... | Documentation/userspace-api/media/drivers/aspeed-video.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. _media_using_camera_sensor_drivers:
Using camera sensor drivers
===========================
This section describes common practices for how the V4L2 sub-device interface is
used to control the camera sensor drivers.
You may also find :ref:`media_writing_camera_sensor_drivers` ... | Documentation/userspace-api/media/drivers/camera-sensor.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
.. include:: <isonum.txt>
.. _media-ccs-uapi:
MIPI CCS camera sensor driver
=============================
The MIPI CCS camera sensor driver is a generic driver for `MIPI CCS
<https://www.mipi.org/specifications/camera-command-set>`_ compliant
camera sensors. It exposes three... | Documentation/userspace-api/media/drivers/ccs.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
The cx2341x driver
==================
Non-compressed file format
--------------------------
The cx23416 can produce (and the cx23415 can also read) raw YUV output. The
format of a YUV frame is 16x16 linear tiled NV12 (V4L2_PIX_FMT_NV12_16L16).
The format is YUV 4:2:0 which uses 1... | Documentation/userspace-api/media/drivers/cx2341x-uapi.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
DW100 dewarp driver
===================
The Vivante DW100 Dewarp Processor IP core found on i.MX8MP SoC applies a
programmable geometrical transformation on the input image to correct distortion
introduced by lenses.
The transformation function is exposed by the hardware as a grid... | Documentation/userspace-api/media/drivers/dw100.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
=========================
i.MX Video Capture Driver
=========================
Events
======
.. _imx_api_ipuX_csiY:
ipuX_csiY
---------
This subdev can generate the following event when enabling the second
IDMAC source pad:
- V4L2_EVENT_IMX_FRAME_INTERVAL_ERROR
The user applica... | Documentation/userspace-api/media/drivers/imx-uapi.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
.. _v4l-drivers_uapi:
################################################
Video4Linux (V4L) driver-specific documentation
################################################
**Copyright** |copy| 1999-2016 : LinuxTV Developers
This documentation is free softw... | Documentation/userspace-api/media/drivers/index.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
Arm Mali-C55 ISP driver
=======================
The Arm Mali-C55 ISP driver implements a single driver-specific control:
``V4L2_CID_MALI_C55_CAPABILITIES (bitmask)``
Detail the capabilities of the ISP by giving detail about the fitted blocks.
.. flat-table:: Bitmask ... | Documentation/userspace-api/media/drivers/mali-c55.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
Maxim Integrated MAX2175 RF to bits tuner driver
================================================
The MAX2175 driver implements the following driver-specific controls:
``V4L2_CID_MAX2175_I2S_ENABLE``
-------------------------------
Enable/Disable I2S output of the tuner. This ... | Documentation/userspace-api/media/drivers/max2175.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
NPCM video driver
=================
This driver is used to control the Video Capture/Differentiation (VCD) engine
and Encoding Compression Engine (ECE) present on Nuvoton NPCM SoCs. The VCD can
capture a frame from digital video input and compare two fram... | Documentation/userspace-api/media/drivers/npcm-video.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
.. include:: <isonum.txt>
OMAP 3 Image Signal Processor (ISP) driver
==========================================
Copyright |copy| 2010 Nokia Corporation
Copyright |copy| 2009 Texas Instruments, Inc.
Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Sakari Ailus <sak... | Documentation/userspace-api/media/drivers/omap3isp-uapi.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0-only
THine THP7312 ISP driver
========================
The THP7312 driver implements the following driver-specific controls:
``V4L2_CID_THP7312_LOW_LIGHT_COMPENSATION``
Enable/Disable auto-adjustment, based on lighting conditions, of the frame
rate when auto-exposure is en... | Documentation/userspace-api/media/drivers/thp7312.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
The Linux USB Video Class (UVC) driver
======================================
This file documents some driver-specific aspects of the UVC driver, such as
driver-specific ioctls and implementation notes.
Questions and remarks can be sent to the Linux UVC development mailing list at... | Documentation/userspace-api/media/drivers/uvcvideo.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
ST VGXY61 camera sensor driver
==============================
The ST VGXY61 driver implements the following controls:
``V4L2_CID_HDR_SENSOR_MODE``
-------------------------------
Change the sensor HDR mode. A HDR picture is obtained by merging two
captures of the same scen... | Documentation/userspace-api/media/drivers/vgxy61.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _ca_fclose:
=====================
Digital TV CA close()
=====================
Name
----
Digital TV CA close()
Synopsis
--------
.. c:function:: int close(int fd)
Arguments
---------
``fd``
File descriptor returned by a prev... | Documentation/userspace-api/media/dvb/ca-fclose.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _ca_fopen:
====================
Digital TV CA open()
====================
Name
----
Digital TV CA open()
Synopsis
--------
.. c:function:: int open(const char *name, int flags)
Arguments
---------
``name``
Name of specific ... | Documentation/userspace-api/media/dvb/ca-fopen.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_CAP:
==========
CA_GET_CAP
==========
Name
----
CA_GET_CAP
Synopsis
--------
.. c:macro:: CA_GET_CAP
``int ioctl(fd, CA_GET_CAP, struct ca_caps *caps)``
Arguments
---------
``fd``
File descriptor returned by a prev... | Documentation/userspace-api/media/dvb/ca-get-cap.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_DESCR_INFO:
=================
CA_GET_DESCR_INFO
=================
Name
----
CA_GET_DESCR_INFO
Synopsis
--------
.. c:macro:: CA_GET_DESCR_INFO
``int ioctl(fd, CA_GET_DESCR_INFO, struct ca_descr_info *desc)``
Arguments... | Documentation/userspace-api/media/dvb/ca-get-descr-info.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_MSG:
==========
CA_GET_MSG
==========
Name
----
CA_GET_MSG
Synopsis
--------
.. c:macro:: CA_GET_MSG
``int ioctl(fd, CA_GET_MSG, struct ca_msg *msg)``
Arguments
---------
``fd``
File descriptor returned by a previo... | Documentation/userspace-api/media/dvb/ca-get-msg.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_GET_SLOT_INFO:
================
CA_GET_SLOT_INFO
================
Name
----
CA_GET_SLOT_INFO
Synopsis
--------
.. c:macro:: CA_GET_SLOT_INFO
``int ioctl(fd, CA_GET_SLOT_INFO, struct ca_slot_info *info)``
Arguments
-------... | Documentation/userspace-api/media/dvb/ca-get-slot-info.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_RESET:
========
CA_RESET
========
Name
----
CA_RESET
Synopsis
--------
.. c:macro:: CA_RESET
``int ioctl(fd, CA_RESET)``
Arguments
---------
``fd``
File descriptor returned by a previous call to :c:func:`open()`.
Desc... | Documentation/userspace-api/media/dvb/ca-reset.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_SEND_MSG:
===========
CA_SEND_MSG
===========
Name
----
CA_SEND_MSG
Synopsis
--------
.. c:macro:: CA_SEND_MSG
``int ioctl(fd, CA_SEND_MSG, struct ca_msg *msg)``
Arguments
---------
``fd``
File descriptor returned by a... | Documentation/userspace-api/media/dvb/ca-send-msg.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.ca
.. _CA_SET_DESCR:
============
CA_SET_DESCR
============
Name
----
CA_SET_DESCR
Synopsis
--------
.. c:macro:: CA_SET_DESCR
``int ioctl(fd, CA_SET_DESCR, struct ca_descr *desc)``
Arguments
---------
``fd``
File descriptor ret... | Documentation/userspace-api/media/dvb/ca-set-descr.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _dvb_ca:
####################
Digital TV CA Device
####################
The Digital TV CA device controls the conditional access hardware. It
can be accessed through ``/dev/dvb/adapter?/ca?``. Data types and ioctl
definitions can be accessed by including... | Documentation/userspace-api/media/dvb/ca.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _ca_data_types:
*************
CA Data Types
*************
.. kernel-doc:: include/uapi/linux/dvb/ca.h | Documentation/userspace-api/media/dvb/ca_data_types.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _ca_function_calls:
*****************
CA Function Calls
*****************
.. toctree::
:maxdepth: 1
ca-fopen
ca-fclose
ca-reset
ca-get-cap
ca-get-slot-info
ca-get-descr-info
ca-get-msg
ca-send-msg
ca-set-descr | Documentation/userspace-api/media/dvb/ca_function_calls.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GPL-2.0
The High level CI API
=====================
.. note::
This documentation is outdated.
This document describes the high level CI API as in accordance to the
Linux DVB API.
With the High Level CI approach any new card with almost any random
architecture can be implemented with... | Documentation/userspace-api/media/dvb/ca_high_level.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _dvb_demux:
#######################
Digital TV Demux Device
#######################
The Digital TV demux device controls the MPEG-TS filters for the
digital TV. If the driver and hardware supports, those filters are
implemented at the hardware. Otherwise... | Documentation/userspace-api/media/dvb/demux.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_ADD_PID:
===========
DMX_ADD_PID
===========
Name
----
DMX_ADD_PID
Synopsis
--------
.. c:macro:: DMX_ADD_PID
``int ioctl(fd, DMX_ADD_PID, __u16 *pid)``
Arguments
---------
``fd``
File descriptor returned by :c:fun... | Documentation/userspace-api/media/dvb/dmx-add-pid.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_EXPBUF:
****************
ioctl DMX_EXPBUF
****************
Name
====
DMX_EXPBUF - Export a buffer as a DMABUF file descriptor.
.. warning:: this API is still experimental
Synopsis
========
.. c:macro:: DMX_EXPBUF
``int ... | Documentation/userspace-api/media/dvb/dmx-expbuf.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _dmx_fclose:
========================
Digital TV demux close()
========================
Name
----
Digital TV demux close()
Synopsis
--------
.. c:function:: int close(int fd)
Arguments
---------
``fd``
File descriptor retu... | Documentation/userspace-api/media/dvb/dmx-fclose.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _dmx_fopen:
=======================
Digital TV demux open()
=======================
Name
----
Digital TV demux open()
Synopsis
--------
.. c:function:: int open(const char *deviceName, int flags)
Arguments
---------
``name``... | Documentation/userspace-api/media/dvb/dmx-fopen.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _dmx_fread:
=======================
Digital TV demux read()
=======================
Name
----
Digital TV demux read()
Synopsis
--------
.. c:function:: size_t read(int fd, void *buf, size_t count)
Arguments
---------
``fd``
... | Documentation/userspace-api/media/dvb/dmx-fread.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _dmx_fwrite:
========================
Digital TV demux write()
========================
Name
----
Digital TV demux write()
Synopsis
--------
.. c:function:: ssize_t write(int fd, const void *buf, size_t count)
Arguments
-----... | Documentation/userspace-api/media/dvb/dmx-fwrite.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_GET_PES_PIDS:
================
DMX_GET_PES_PIDS
================
Name
----
DMX_GET_PES_PIDS
Synopsis
--------
.. c:macro:: DMX_GET_PES_PIDS
``int ioctl(fd, DMX_GET_PES_PIDS, __u16 pids[5])``
Arguments
---------
``fd``
... | Documentation/userspace-api/media/dvb/dmx-get-pes-pids.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_GET_STC:
===========
DMX_GET_STC
===========
Name
----
DMX_GET_STC
Synopsis
--------
.. c:macro:: DMX_GET_STC
``int ioctl(int fd, DMX_GET_STC, struct dmx_stc *stc)``
Arguments
---------
``fd``
File descriptor retur... | Documentation/userspace-api/media/dvb/dmx-get-stc.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _dmx-mmap:
*****************
Digital TV mmap()
*****************
Name
====
dmx-mmap - Map device memory into application address space
.. warning:: this API is still experimental
Synopsis
========
.. code-block:: c
#incl... | Documentation/userspace-api/media/dvb/dmx-mmap.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _dmx-munmap:
************
DVB munmap()
************
Name
====
dmx-munmap - Unmap device memory
.. warning:: This API is still experimental.
Synopsis
========
.. code-block:: c
#include <unistd.h>
#include <sys/mman.h... | Documentation/userspace-api/media/dvb/dmx-munmap.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_QBUF:
*************************
ioctl DMX_QBUF, DMX_DQBUF
*************************
Name
====
DMX_QBUF - DMX_DQBUF - Exchange a buffer with the driver
.. warning:: this API is still experimental
Synopsis
========
.. c:ma... | Documentation/userspace-api/media/dvb/dmx-qbuf.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_QUERYBUF:
******************
ioctl DMX_QUERYBUF
******************
Name
====
DMX_QUERYBUF - Query the status of a buffer
.. warning:: this API is still experimental
Synopsis
========
.. c:macro:: DMX_QUERYBUF
``int ioct... | Documentation/userspace-api/media/dvb/dmx-querybuf.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_REMOVE_PID:
==============
DMX_REMOVE_PID
==============
Name
----
DMX_REMOVE_PID
Synopsis
--------
.. c:macro:: DMX_REMOVE_PID
``int ioctl(fd, DMX_REMOVE_PID, __u16 *pid)``
Arguments
---------
``fd``
File descript... | Documentation/userspace-api/media/dvb/dmx-remove-pid.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_REQBUFS:
*****************
ioctl DMX_REQBUFS
*****************
Name
====
DMX_REQBUFS - Initiate Memory Mapping and/or DMA buffer I/O
.. warning:: this API is still experimental
Synopsis
========
.. c:macro:: DMX_REQBUFS
... | Documentation/userspace-api/media/dvb/dmx-reqbufs.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_SET_BUFFER_SIZE:
===================
DMX_SET_BUFFER_SIZE
===================
Name
----
DMX_SET_BUFFER_SIZE
Synopsis
--------
.. c:macro:: DMX_SET_BUFFER_SIZE
``int ioctl(int fd, DMX_SET_BUFFER_SIZE, unsigned long size)``... | Documentation/userspace-api/media/dvb/dmx-set-buffer-size.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_SET_FILTER:
==============
DMX_SET_FILTER
==============
Name
----
DMX_SET_FILTER
Synopsis
--------
.. c:macro:: DMX_SET_FILTER
``int ioctl(int fd, DMX_SET_FILTER, struct dmx_sct_filter_params *params)``
Arguments
-----... | Documentation/userspace-api/media/dvb/dmx-set-filter.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_SET_PES_FILTER:
==================
DMX_SET_PES_FILTER
==================
Name
----
DMX_SET_PES_FILTER
Synopsis
--------
.. c:macro:: DMX_SET_PES_FILTER
``int ioctl(int fd, DMX_SET_PES_FILTER, struct dmx_pes_filter_params... | Documentation/userspace-api/media/dvb/dmx-set-pes-filter.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_START:
=========
DMX_START
=========
Name
----
DMX_START
Synopsis
--------
.. c:macro:: DMX_START
``int ioctl(int fd, DMX_START)``
Arguments
---------
``fd``
File descriptor returned by :c:func:`open()`.
Descripti... | Documentation/userspace-api/media/dvb/dmx-start.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _DMX_STOP:
========
DMX_STOP
========
Name
----
DMX_STOP
Synopsis
--------
.. c:macro:: DMX_STOP
``int ioctl(int fd, DMX_STOP)``
Arguments
---------
``fd``
File descriptor returned by :c:func:`open()`.
Description
----... | Documentation/userspace-api/media/dvb/dmx-stop.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _dmx_fcalls:
********************
Demux Function Calls
********************
.. toctree::
:maxdepth: 1
dmx-fopen
dmx-fclose
dmx-fread
dmx-fwrite
dmx-mmap
dmx-munmap
dmx-start
dmx-stop
dmx-set-filter
dmx-set-pes... | Documentation/userspace-api/media/dvb/dmx_fcalls.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.dmx
.. _dmx_types:
****************
Demux Data Types
****************
.. kernel-doc:: include/uapi/linux/dvb/dmx.h | Documentation/userspace-api/media/dvb/dmx_types.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _dvb-fe-read-status:
***************************************
Querying frontend status and statistics
***************************************
Once :ref:`FE_SET_PROPERTY <FE_GET_PROPERTY>` is called, the
frontend will run a kernel thread that will periodic... | Documentation/userspace-api/media/dvb/dvb-fe-read-status.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:type:: dvb_frontend_event
***************
frontend events
***************
.. code-block:: c
struct dvb_frontend_event {
fe_status_t status;
struct dvb_frontend_parameters parameters;
}; | Documentation/userspace-api/media/dvb/dvb-frontend-event.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:type:: dvb_frontend_parameters
*******************
frontend parameters
*******************
The kind of parameters passed to the frontend device for tuning depend
on the kind of hardware you are using.
The struct ``dvb_frontend_parameters`` uses a unio... | Documentation/userspace-api/media/dvb/dvb-frontend-parameters.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. include:: <isonum.txt>
.. _dvbapi:
########################
Part II - Digital TV API
########################
.. note::
This API is also known as Linux **DVB API**.
It it was originally written to support the European digital TV
standard (DVB)... | Documentation/userspace-api/media/dvb/dvbapi.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend-properties:
**************
Property types
**************
Tuning into a Digital TV physical channel and starting decoding it
requires changing a set of parameters, in order to control the tuner,
the demodulator, the Linear Low-noise Amplifier (L... | Documentation/userspace-api/media/dvb/dvbproperty.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _dvb_examples:
********
Examples
********
In the past, we used to have a set of examples here. However, those
examples got out of date and doesn't even compile nowadays.
Also, nowadays, the best is to use the libdvbv5 DVB API nowadays,
with is fully doc... | Documentation/userspace-api/media/dvb/examples.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
******************
Frontend bandwidth
******************
.. c:type:: fe_bandwidth
.. flat-table:: enum fe_bandwidth
:header-rows: 1
:stub-columns: 0
- .. row 1
- ID
- Description
- .. row 2
- .. _BANDWIDTH-AU... | Documentation/userspace-api/media/dvb/fe-bandwidth-t.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_DISEQC_RECV_SLAVE_REPLY:
********************************
ioctl FE_DISEQC_RECV_SLAVE_REPLY
********************************
Name
====
FE_DISEQC_RECV_SLAVE_REPLY - Receives reply from a DiSEqC 2.0 command
Synopsis
========
.... | Documentation/userspace-api/media/dvb/fe-diseqc-recv-slave-reply.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_DISEQC_RESET_OVERLOAD:
******************************
ioctl FE_DISEQC_RESET_OVERLOAD
******************************
Name
====
FE_DISEQC_RESET_OVERLOAD - Restores the power to the antenna subsystem, if it was powered off due -... | Documentation/userspace-api/media/dvb/fe-diseqc-reset-overload.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_DISEQC_SEND_BURST:
**************************
ioctl FE_DISEQC_SEND_BURST
**************************
Name
====
FE_DISEQC_SEND_BURST - Sends a 22KHz tone burst for 2x1 mini DiSEqC satellite selection.
Synopsis
========
.. c:m... | Documentation/userspace-api/media/dvb/fe-diseqc-send-burst.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_DISEQC_SEND_MASTER_CMD:
*******************************
ioctl FE_DISEQC_SEND_MASTER_CMD
*******************************
Name
====
FE_DISEQC_SEND_MASTER_CMD - Sends a DiSEqC command
Synopsis
========
.. c:macro:: FE_DISEQC_S... | Documentation/userspace-api/media/dvb/fe-diseqc-send-master-cmd.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_DISHNETWORK_SEND_LEGACY_CMD:
******************************
FE_DISHNETWORK_SEND_LEGACY_CMD
******************************
Name
====
FE_DISHNETWORK_SEND_LEGACY_CMD
Synopsis
========
.. c:macro:: FE_DISHNETWORK_SEND_LEGACY_CM... | Documentation/userspace-api/media/dvb/fe-dishnetwork-send-legacy-cmd.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_ENABLE_HIGH_LNB_VOLTAGE:
********************************
ioctl FE_ENABLE_HIGH_LNB_VOLTAGE
********************************
Name
====
FE_ENABLE_HIGH_LNB_VOLTAGE - Select output DC level between normal LNBf voltages or higher ... | Documentation/userspace-api/media/dvb/fe-enable-high-lnb-voltage.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_GET_EVENT:
************
FE_GET_EVENT
************
Name
====
FE_GET_EVENT
.. attention:: This ioctl is deprecated.
Synopsis
========
.. c:macro:: FE_GET_EVENT
``int ioctl(int fd, FE_GET_EVENT, struct dvb_frontend_event *ev... | Documentation/userspace-api/media/dvb/fe-get-event.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_GET_FRONTEND:
***************
FE_GET_FRONTEND
***************
Name
====
FE_GET_FRONTEND
.. attention:: This ioctl is deprecated.
Synopsis
========
.. c:macro:: FE_GET_FRONTEND
``int ioctl(int fd, FE_GET_FRONTEND, struct d... | Documentation/userspace-api/media/dvb/fe-get-frontend.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_GET_INFO:
*****************
ioctl FE_GET_INFO
*****************
Name
====
FE_GET_INFO - Query Digital TV frontend capabilities and returns information
about the - front-end. This call only requires read-only access to the dev... | Documentation/userspace-api/media/dvb/fe-get-info.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_GET_PROPERTY:
**************************************
ioctl FE_SET_PROPERTY, FE_GET_PROPERTY
**************************************
Name
====
FE_SET_PROPERTY - FE_GET_PROPERTY - FE_SET_PROPERTY sets one or more frontend proper... | Documentation/userspace-api/media/dvb/fe-get-property.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_READ_BER:
***********
FE_READ_BER
***********
Name
====
FE_READ_BER
.. attention:: This ioctl is deprecated.
Synopsis
========
.. c:macro:: FE_READ_BER
``int ioctl(int fd, FE_READ_BER, uint32_t *ber)``
Arguments
========... | Documentation/userspace-api/media/dvb/fe-read-ber.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_READ_SIGNAL_STRENGTH:
***********************
FE_READ_SIGNAL_STRENGTH
***********************
Name
====
FE_READ_SIGNAL_STRENGTH
.. attention:: This ioctl is deprecated.
Synopsis
========
.. c:macro:: FE_READ_SIGNAL_STRENGT... | Documentation/userspace-api/media/dvb/fe-read-signal-strength.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_READ_SNR:
***********
FE_READ_SNR
***********
Name
====
FE_READ_SNR
.. attention:: This ioctl is deprecated.
Synopsis
========
.. c:macro:: FE_READ_SNR
``int ioctl(int fd, FE_READ_SNR, int16_t *snr)``
Arguments
=========... | Documentation/userspace-api/media/dvb/fe-read-snr.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_READ_STATUS:
********************
ioctl FE_READ_STATUS
********************
Name
====
FE_READ_STATUS - Returns status information about the front-end. This call only requires - read-only access to the device
Synopsis
=======... | Documentation/userspace-api/media/dvb/fe-read-status.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_READ_UNCORRECTED_BLOCKS:
**************************
FE_READ_UNCORRECTED_BLOCKS
**************************
Name
====
FE_READ_UNCORRECTED_BLOCKS
.. attention:: This ioctl is deprecated.
Synopsis
========
.. c:macro:: FE_READ... | Documentation/userspace-api/media/dvb/fe-read-uncorrected-blocks.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_SET_FRONTEND_TUNE_MODE:
*******************************
ioctl FE_SET_FRONTEND_TUNE_MODE
*******************************
Name
====
FE_SET_FRONTEND_TUNE_MODE - Allow setting tuner mode flags to the frontend.
Synopsis
========
... | Documentation/userspace-api/media/dvb/fe-set-frontend-tune-mode.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_SET_FRONTEND:
***************
FE_SET_FRONTEND
***************
.. attention:: This ioctl is deprecated.
Name
====
FE_SET_FRONTEND
Synopsis
========
.. c:macro:: FE_SET_FRONTEND
``int ioctl(int fd, FE_SET_FRONTEND, struct d... | Documentation/userspace-api/media/dvb/fe-set-frontend.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_SET_TONE:
*****************
ioctl FE_SET_TONE
*****************
Name
====
FE_SET_TONE - Sets/resets the generation of the continuous 22kHz tone.
Synopsis
========
.. c:macro:: FE_SET_TONE
``int ioctl(int fd, FE_SET_TONE, e... | Documentation/userspace-api/media/dvb/fe-set-tone.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _FE_SET_VOLTAGE:
********************
ioctl FE_SET_VOLTAGE
********************
Name
====
FE_SET_VOLTAGE - Allow setting the DC level sent to the antenna subsystem.
Synopsis
========
.. c:macro:: FE_SET_VOLTAGE
``int ioctl(int... | Documentation/userspace-api/media/dvb/fe-set-voltage.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
*************
Frontend type
*************
For historical reasons, frontend types are named by the type of
modulation used in transmission. The fontend types are given by
fe_type_t type, defined as:
.. c:type:: fe_type
.. tabularcolumns:: |p{6.6cm}|p{2.2cm... | Documentation/userspace-api/media/dvb/fe-type-t.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _fe_property_parameters:
******************************
Digital TV property parameters
******************************
There are several different Digital TV parameters that can be used by
:ref:`FE_SET_PROPERTY and FE_GET_PROPERTY ioctls<FE_GET_PROPERTY>`... | Documentation/userspace-api/media/dvb/fe_property_parameters.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
Frontend uAPI data types
========================
.. kernel-doc:: include/uapi/linux/dvb/frontend.h | Documentation/userspace-api/media/dvb/frontend-header.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend-property-cable-systems:
*****************************************
Properties used on cable delivery systems
*****************************************
.. _dvbc-params:
DVB-C delivery system
=====================
The DVB-C Annex-A is the widel... | Documentation/userspace-api/media/dvb/frontend-property-cable-systems.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend-property-satellite-systems:
*********************************************
Properties used on satellite delivery systems
*********************************************
.. _dvbs-params:
DVB-S delivery system
=====================
The following ... | Documentation/userspace-api/media/dvb/frontend-property-satellite-systems.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend-property-terrestrial-systems:
***********************************************
Properties used on terrestrial delivery systems
***********************************************
.. _dvbt-params:
DVB-T delivery system
=====================
The fo... | Documentation/userspace-api/media/dvb/frontend-property-terrestrial-systems.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend-stat-properties:
******************************
Frontend statistics indicators
******************************
The values are returned via ``dtv_property.stat``. If the property is
supported, ``dtv_property.stat.len`` is bigger than zero.
For m... | Documentation/userspace-api/media/dvb/frontend-stat-properties.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _dvb_frontend:
#######################
Digital TV Frontend API
#######################
The Digital TV frontend API was designed to support three groups of delivery
systems: Terrestrial, cable and Satellite. Currently, the following
delivery systems are s... | Documentation/userspace-api/media/dvb/frontend.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _frontend_f_close:
***************************
Digital TV frontend close()
***************************
Name
====
fe-close - Close a frontend device
Synopsis
========
.. code-block:: c
#include <unistd.h>
.. c:function:: i... | Documentation/userspace-api/media/dvb/frontend_f_close.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.fe
.. _frontend_f_open:
***************************
Digital TV frontend open()
***************************
Name
====
fe-open - Open a frontend device
Synopsis
========
.. code-block:: c
#include <fcntl.h>
.. c:function:: int op... | Documentation/userspace-api/media/dvb/frontend_f_open.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend_fcalls:
#######################
Frontend Function Calls
#######################
.. toctree::
:maxdepth: 1
frontend_f_open
frontend_f_close
fe-get-info
fe-read-status
fe-get-property
fe-diseqc-reset-overload
fe-d... | Documentation/userspace-api/media/dvb/frontend_fcalls.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend_legacy_types:
Frontend Legacy Data Types
==========================
.. toctree::
:maxdepth: 1
fe-type-t
fe-bandwidth-t
dvb-frontend-parameters
dvb-frontend-event
.. _frontend_legacy_fcalls:
Frontend Legacy Function Call... | Documentation/userspace-api/media/dvb/frontend_legacy_api.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _frontend_legacy_dvbv3_api:
***********************************************
Digital TV Frontend legacy API (a. k. a. DVBv3)
***********************************************
The usage of this API is deprecated, as it doesn't support all digital
TV standard... | Documentation/userspace-api/media/dvb/frontend_legacy_dvbv3_api.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
***********************
Digital TV uAPI symbols
***********************
.. contents:: Table of Contents
:depth: 2
:local:
Frontend
========
.. kernel-include:: include/uapi/linux/dvb/frontend.h
:generate-cross-refs:
:exception-file: frontend.... | Documentation/userspace-api/media/dvb/headers.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _dvb_introduction:
************
Introduction
************
.. _requisites:
What you need to know
=====================
The reader of this document is required to have some knowledge in the
area of digital video broadcasting (Digital TV) and should be f... | Documentation/userspace-api/media/dvb/intro.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. _legacy_dvb_apis:
***************************
Digital TV Deprecated APIs
***************************
The APIs described here **should not** be used on new drivers or applications.
The DVBv3 frontend API has issues with new delivery systems, including
DV... | Documentation/userspace-api/media/dvb/legacy_dvb_apis.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
.. c:namespace:: dtv.legacy.audio
.. _dvb_audio:
================
DVB Audio Device
================
.. attention:: Do **not** use in new drivers!
See: :ref:`legacy_dvb_decoder_notes`
The DVB audio device controls the MPEG2 audio de... | Documentation/userspace-api/media/dvb/legacy_dvb_audio.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
.. _legacy_dvb_decoder_api:
============================
Legacy DVB MPEG Decoder APIs
============================
.. _legacy_dvb_decoder_notes:
General Notes
=============
This API has originally been designed for DVB only and is therefore lim... | Documentation/userspace-api/media/dvb/legacy_dvb_decoder_api.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
.. c:namespace:: dtv.legacy.osd
.. _dvb_osd:
==============
DVB OSD Device
==============
.. attention:: Do **not** use in new drivers!
See: :ref:`legacy_dvb_decoder_notes`
The DVB OSD device controls the OnScreen-Display of the AV... | Documentation/userspace-api/media/dvb/legacy_dvb_osd.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later OR GPL-2.0
.. c:namespace:: dtv.legacy.video
.. _dvb_video:
================
DVB Video Device
================
.. attention:: Do **not** use in new drivers!
See: :ref:`legacy_dvb_decoder_notes`
The DVB video device controls the MPEG2 video de... | Documentation/userspace-api/media/dvb/legacy_dvb_video.rst | null | null | null | null | null |
source | linux | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
.. c:namespace:: DTV.net
.. _NET_ADD_IF:
****************
ioctl NET_ADD_IF
****************
Name
====
NET_ADD_IF - Creates a new network interface for a given Packet ID.
Synopsis
========
.. c:macro:: NET_ADD_IF
``int ioctl(int fd, NET_ADD_IF, struct dv... | Documentation/userspace-api/media/dvb/net-add-if.rst | null | null | null | null | null |
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