diff options
Diffstat (limited to 'Documentation/media/uapi')
41 files changed, 149 insertions, 126 deletions
diff --git a/Documentation/media/uapi/dvb/audio-channel-select.rst b/Documentation/media/uapi/dvb/audio-channel-select.rst index 2ceb4ef..8cab3d7 100644 --- a/Documentation/media/uapi/dvb/audio-channel-select.rst +++ b/Documentation/media/uapi/dvb/audio-channel-select.rst @@ -44,7 +44,7 @@ Arguments Description ----------- -This ioctl is for DVB devices only. To control a V4L2 decoder use the +This ioctl is for Digital TV devices only. To control a V4L2 decoder use the V4L2 ``V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK`` control instead. This ioctl call asks the Audio Device to select the requested channel if diff --git a/Documentation/media/uapi/dvb/audio-fclose.rst b/Documentation/media/uapi/dvb/audio-fclose.rst index 4df24c8..58d351a 100644 --- a/Documentation/media/uapi/dvb/audio-fclose.rst +++ b/Documentation/media/uapi/dvb/audio-fclose.rst @@ -2,14 +2,14 @@ .. _audio_fclose: -================= -DVB audio close() -================= +======================== +Digital TV audio close() +======================== Name ---- -DVB audio close() +Digital TV audio close() .. attention:: This ioctl is deprecated diff --git a/Documentation/media/uapi/dvb/audio-fopen.rst b/Documentation/media/uapi/dvb/audio-fopen.rst index a802c2e..4a17464 100644 --- a/Documentation/media/uapi/dvb/audio-fopen.rst +++ b/Documentation/media/uapi/dvb/audio-fopen.rst @@ -2,14 +2,14 @@ .. _audio_fopen: -================ -DVB audio open() -================ +======================= +Digital TV audio open() +======================= Name ---- -DVB audio open() +Digital TV audio open() .. attention:: This ioctl is deprecated diff --git a/Documentation/media/uapi/dvb/audio-fwrite.rst b/Documentation/media/uapi/dvb/audio-fwrite.rst index 8882cad..4980ae7 100644 --- a/Documentation/media/uapi/dvb/audio-fwrite.rst +++ b/Documentation/media/uapi/dvb/audio-fwrite.rst @@ -2,14 +2,14 @@ .. _audio_fwrite: -================= -DVB audio write() -================= +========================= +Digital TV audio write() +========================= Name ---- -DVB audio write() +Digital TV audio write() .. attention:: This ioctl is deprecated diff --git a/Documentation/media/uapi/dvb/audio-set-av-sync.rst b/Documentation/media/uapi/dvb/audio-set-av-sync.rst index 0cef491..cf621f3 100644 --- a/Documentation/media/uapi/dvb/audio-set-av-sync.rst +++ b/Documentation/media/uapi/dvb/audio-set-av-sync.rst @@ -38,7 +38,7 @@ Arguments - boolean state - - Tells the DVB subsystem if A/V synchronization shall be ON or OFF. + - Tells the Digital TV subsystem if A/V synchronization shall be ON or OFF. TRUE: AV-sync ON diff --git a/Documentation/media/uapi/dvb/audio-set-bypass-mode.rst b/Documentation/media/uapi/dvb/audio-set-bypass-mode.rst index b063c49..f0db1fb 100644 --- a/Documentation/media/uapi/dvb/audio-set-bypass-mode.rst +++ b/Documentation/media/uapi/dvb/audio-set-bypass-mode.rst @@ -38,7 +38,7 @@ Arguments - boolean mode - Enables or disables the decoding of the current Audio stream in - the DVB subsystem. + the Digital TV subsystem. TRUE: Bypass is disabled @@ -50,8 +50,8 @@ Description This ioctl call asks the Audio Device to bypass the Audio decoder and forward the stream without decoding. This mode shall be used if streams -that can’t be handled by the DVB system shall be decoded. Dolby -DigitalTM streams are automatically forwarded by the DVB subsystem if +that can’t be handled by the Digial TV system shall be decoded. Dolby +DigitalTM streams are automatically forwarded by the Digital TV subsystem if the hardware can handle it. diff --git a/Documentation/media/uapi/dvb/audio-set-mute.rst b/Documentation/media/uapi/dvb/audio-set-mute.rst index 897e722..0af105a 100644 --- a/Documentation/media/uapi/dvb/audio-set-mute.rst +++ b/Documentation/media/uapi/dvb/audio-set-mute.rst @@ -48,7 +48,7 @@ Arguments Description ----------- -This ioctl is for DVB devices only. To control a V4L2 decoder use the +This ioctl is for Digital TV devices only. To control a V4L2 decoder use the V4L2 :ref:`VIDIOC_DECODER_CMD` with the ``V4L2_DEC_CMD_START_MUTE_AUDIO`` flag instead. diff --git a/Documentation/media/uapi/dvb/audio.rst b/Documentation/media/uapi/dvb/audio.rst index 1556221..e9f9e58 100644 --- a/Documentation/media/uapi/dvb/audio.rst +++ b/Documentation/media/uapi/dvb/audio.rst @@ -2,15 +2,16 @@ .. _dvb_audio: -################ -DVB Audio Device -################ -The DVB audio device controls the MPEG2 audio decoder of the DVB -hardware. It can be accessed through ``/dev/dvb/adapter?/audio?``. Data +####################### +Digital TV Audio Device +####################### + +The Digital TV audio device controls the MPEG2 audio decoder of the Digital +TV hardware. It can be accessed through ``/dev/dvb/adapter?/audio?``. Data types and and ioctl definitions can be accessed by including ``linux/dvb/audio.h`` in your application. -Please note that some DVB cards don’t have their own MPEG decoder, which +Please note that some Digital TV cards don’t have their own MPEG decoder, which results in the omission of the audio and video device. These ioctls were also used by V4L2 to control MPEG decoders implemented diff --git a/Documentation/media/uapi/dvb/ca-fclose.rst b/Documentation/media/uapi/dvb/ca-fclose.rst index d97c195..e84bbfc 100644 --- a/Documentation/media/uapi/dvb/ca-fclose.rst +++ b/Documentation/media/uapi/dvb/ca-fclose.rst @@ -2,14 +2,14 @@ .. _ca_fclose: -============== -DVB CA close() -============== +===================== +Digital TV CA close() +===================== Name ---- -DVB CA close() +Digital TV CA close() Synopsis diff --git a/Documentation/media/uapi/dvb/ca-fopen.rst b/Documentation/media/uapi/dvb/ca-fopen.rst index 51ac27d..a03a01a 100644 --- a/Documentation/media/uapi/dvb/ca-fopen.rst +++ b/Documentation/media/uapi/dvb/ca-fopen.rst @@ -2,14 +2,14 @@ .. _ca_fopen: -============= -DVB CA open() -============= +==================== +Digital TV CA open() +==================== Name ---- -DVB CA open() +Digital TV CA open() Synopsis @@ -23,7 +23,7 @@ Arguments --------- ``name`` - Name of specific DVB CA device. + Name of specific Digital TV CA device. ``flags`` A bit-wise OR of the following flags: diff --git a/Documentation/media/uapi/dvb/ca.rst b/Documentation/media/uapi/dvb/ca.rst index e3de778..deac72d 100644 --- a/Documentation/media/uapi/dvb/ca.rst +++ b/Documentation/media/uapi/dvb/ca.rst @@ -2,11 +2,12 @@ .. _dvb_ca: -############# -DVB CA Device -############# -The DVB CA device controls the conditional access hardware. It can be -accessed through ``/dev/dvb/adapter?/ca?``. Data types and and ioctl +#################### +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 and ioctl definitions can be accessed by including ``linux/dvb/ca.h`` in your application. diff --git a/Documentation/media/uapi/dvb/demux.rst b/Documentation/media/uapi/dvb/demux.rst index b12b5a2..45c3d64 100644 --- a/Documentation/media/uapi/dvb/demux.rst +++ b/Documentation/media/uapi/dvb/demux.rst @@ -2,10 +2,15 @@ .. _dvb_demux: -################ -DVB Demux Device -################ -The DVB demux device controls the filters of the DVB hardware/software. +####################### +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, the Kernel provides a software +emulation. + It can be accessed through ``/dev/adapter?/demux?``. Data types and and ioctl definitions can be accessed by including ``linux/dvb/dmx.h`` in your application. diff --git a/Documentation/media/uapi/dvb/dmx-fclose.rst b/Documentation/media/uapi/dvb/dmx-fclose.rst index b440137..8693501 100644 --- a/Documentation/media/uapi/dvb/dmx-fclose.rst +++ b/Documentation/media/uapi/dvb/dmx-fclose.rst @@ -2,14 +2,14 @@ .. _dmx_fclose: -================= -DVB demux close() -================= +======================== +Digital TV demux close() +======================== Name ---- -DVB demux close() +Digital TV demux close() Synopsis diff --git a/Documentation/media/uapi/dvb/dmx-fopen.rst b/Documentation/media/uapi/dvb/dmx-fopen.rst index 7ed2fda..3dee019 100644 --- a/Documentation/media/uapi/dvb/dmx-fopen.rst +++ b/Documentation/media/uapi/dvb/dmx-fopen.rst @@ -2,14 +2,14 @@ .. _dmx_fopen: -================ -DVB demux open() -================ +======================= +Digital TV demux open() +======================= Name ---- -DVB demux open() +Digital TV demux open() Synopsis @@ -22,7 +22,7 @@ Arguments --------- ``name`` - Name of specific DVB demux device. + Name of specific Digital TV demux device. ``flags`` A bit-wise OR of the following flags: diff --git a/Documentation/media/uapi/dvb/dmx-fread.rst b/Documentation/media/uapi/dvb/dmx-fread.rst index 8d2fe98..cb6cedb 100644 --- a/Documentation/media/uapi/dvb/dmx-fread.rst +++ b/Documentation/media/uapi/dvb/dmx-fread.rst @@ -2,14 +2,14 @@ .. _dmx_fread: -================ -DVB demux read() -================ +======================= +Digital TV demux read() +======================= Name ---- -DVB demux read() +Digital TV demux read() Synopsis diff --git a/Documentation/media/uapi/dvb/dmx-fwrite.rst b/Documentation/media/uapi/dvb/dmx-fwrite.rst index 5e82a9e..77f138f 100644 --- a/Documentation/media/uapi/dvb/dmx-fwrite.rst +++ b/Documentation/media/uapi/dvb/dmx-fwrite.rst @@ -2,14 +2,14 @@ .. _dmx_fwrite: -================= -DVB demux write() -================= +======================== +Digital TV demux write() +======================== Name ---- -DVB demux write() +Digital TV demux write() Synopsis diff --git a/Documentation/media/uapi/dvb/dvbapi.rst b/Documentation/media/uapi/dvb/dvbapi.rst index 9ca3dd2..268bf69 100644 --- a/Documentation/media/uapi/dvb/dvbapi.rst +++ b/Documentation/media/uapi/dvb/dvbapi.rst @@ -10,8 +10,21 @@ Part II - Digital TV API .. note:: - This API is also known as **DVB API**, although it is generic - enough to support all digital TV standards. + This API is also known as Linux **DVB API**. + + It it was originally written to support the European digital TV + standard (DVB), and later extended to support all digital TV standards. + + In order to avoid confusion, within this document, it was opted to refer to + it, and to associated hardware as **Digital TV**. + + The word **DVB** is reserved to be used for: + + - the Digital TV API version + (e. g. DVB API version 3 or DVB API version 5); + - digital TV data types (enums, structs, defines, etc); + - digital TV device nodes (``/dev/dvb/...``); + - the European DVB standard. **Version 5.10** @@ -41,11 +54,11 @@ Authors: - J. K. Metzler, Ralph <rjkm@metzlerbros.de> - - Original author of the DVB API documentation. + - Original author of the Digital TV API documentation. - O. C. Metzler, Marcus <rjkm@metzlerbros.de> - - Original author of the DVB API documentation. + - Original author of the Digital TV API documentation. - Carvalho Chehab, Mauro <m.chehab@kernel.org> @@ -63,11 +76,11 @@ Revision History DocBook improvements and cleanups, in order to document the system calls on a more standard way and provide more description about the current -DVB API. +Digital TV API. :revision: 2.0.4 / 2011-05-06 (*mcc*) -Add more information about DVB APIv5, better describing the frontend +Add more information about DVBv5 API, better describing the frontend GET/SET props ioctl's. diff --git a/Documentation/media/uapi/dvb/dvbproperty.rst b/Documentation/media/uapi/dvb/dvbproperty.rst index c40943be..1a56c17 100644 --- a/Documentation/media/uapi/dvb/dvbproperty.rst +++ b/Documentation/media/uapi/dvb/dvbproperty.rst @@ -13,7 +13,7 @@ antenna subsystem via Satellite Equipment Control - SEC (on satellite systems). The actual parameters are specific to each particular digital TV standards, and may change as the digital TV specs evolves. -In the past (up to DVB API version 3), the strategy used was to have a +In the past (up to DVB API version 3 - DVBv3), the strategy used was to have a union with the parameters needed to tune for DVB-S, DVB-C, DVB-T and ATSC delivery systems grouped there. The problem is that, as the second generation standards appeared, the size of such union was not big @@ -41,7 +41,7 @@ with supports all digital TV delivery systems. support to new standards and/or new hardware. 3. Nowadays, most frontends support multiple delivery systems. - Only with DVB v5 calls it is possible to switch between + Only with DVB API version 5 calls it is possible to switch between the multiple delivery systems supported by a frontend. 4. DVB API version 5 is also called *S2API*, as the first diff --git a/Documentation/media/uapi/dvb/examples.rst b/Documentation/media/uapi/dvb/examples.rst index 1a94966..e0f627c 100644 --- a/Documentation/media/uapi/dvb/examples.rst +++ b/Documentation/media/uapi/dvb/examples.rst @@ -6,8 +6,8 @@ Examples ******** -In this section we would like to present some examples for using the DVB -API. +In this section we would like to present some examples for using the Digital +TV API. .. note:: diff --git a/Documentation/media/uapi/dvb/fe-diseqc-reset-overload.rst b/Documentation/media/uapi/dvb/fe-diseqc-reset-overload.rst index e124309..78476c1 100644 --- a/Documentation/media/uapi/dvb/fe-diseqc-reset-overload.rst +++ b/Documentation/media/uapi/dvb/fe-diseqc-reset-overload.rst @@ -31,7 +31,7 @@ Description If the bus has been automatically powered off due to power overload, this ioctl call restores the power to the bus. The call requires read/write access to the device. This call has no effect if the device -is manually powered off. Not all DVB adapters support this ioctl. +is manually powered off. Not all Digital TV adapters support this ioctl. Return Value diff --git a/Documentation/media/uapi/dvb/fe-get-info.rst b/Documentation/media/uapi/dvb/fe-get-info.rst index 17e9d9a..9e5a7a2 100644 --- a/Documentation/media/uapi/dvb/fe-get-info.rst +++ b/Documentation/media/uapi/dvb/fe-get-info.rst @@ -9,7 +9,8 @@ ioctl FE_GET_INFO Name ==== -FE_GET_INFO - Query DVB frontend capabilities and returns information about the - front-end. This call only requires read-only access to the device +FE_GET_INFO - Query Digital TV frontend capabilities and returns information +about the - front-end. This call only requires read-only access to the device. Synopsis @@ -33,7 +34,7 @@ Arguments Description =========== -All DVB frontend devices support the ``FE_GET_INFO`` ioctl. It is used +All Digital TV frontend devices support the ``FE_GET_INFO`` ioctl. It is used to identify kernel devices compatible with this specification and to obtain information about driver and hardware capabilities. The ioctl takes a pointer to dvb_frontend_info which is filled by the driver. diff --git a/Documentation/media/uapi/dvb/fe-get-property.rst b/Documentation/media/uapi/dvb/fe-get-property.rst index fffa78d..948d2ba 100644 --- a/Documentation/media/uapi/dvb/fe-get-property.rst +++ b/Documentation/media/uapi/dvb/fe-get-property.rst @@ -35,7 +35,7 @@ Arguments Description =========== -All DVB frontend devices support the ``FE_SET_PROPERTY`` and +All Digital TV frontend devices support the ``FE_SET_PROPERTY`` and ``FE_GET_PROPERTY`` ioctls. The supported properties and statistics depends on the delivery system and on the device: diff --git a/Documentation/media/uapi/dvb/fe-read-status.rst b/Documentation/media/uapi/dvb/fe-read-status.rst index a84b045..4adb52f 100644 --- a/Documentation/media/uapi/dvb/fe-read-status.rst +++ b/Documentation/media/uapi/dvb/fe-read-status.rst @@ -33,7 +33,7 @@ Arguments Description =========== -All DVB frontend devices support the ``FE_READ_STATUS`` ioctl. It is +All Digital TV frontend devices support the ``FE_READ_STATUS`` ioctl. It is used to check about the locking status of the frontend after being tuned. The ioctl takes a pointer to an integer where the status will be written. diff --git a/Documentation/media/uapi/dvb/fe_property_parameters.rst b/Documentation/media/uapi/dvb/fe_property_parameters.rst index 49470f7..6eef507 100644 --- a/Documentation/media/uapi/dvb/fe_property_parameters.rst +++ b/Documentation/media/uapi/dvb/fe_property_parameters.rst @@ -819,7 +819,7 @@ Possible values are the same as documented on enum DTV_API_VERSION =============== -Returns the major/minor version of the DVB API +Returns the major/minor version of the Digital TV API .. _DTV-CODE-RATE-HP: @@ -919,7 +919,7 @@ DTV_STREAM_ID Used on DVB-S2, DVB-T2 and ISDB-S. DVB-S2, DVB-T2 and ISDB-S support the transmission of several streams on -a single transport stream. This property enables the DVB driver to +a single transport stream. This property enables the digital TV driver to handle substream filtering, when supported by the hardware. By default, substream filtering is disabled. diff --git a/Documentation/media/uapi/dvb/frontend-property-terrestrial-systems.rst b/Documentation/media/uapi/dvb/frontend-property-terrestrial-systems.rst index dbc717c..0beb5cb 100644 --- a/Documentation/media/uapi/dvb/frontend-property-terrestrial-systems.rst +++ b/Documentation/media/uapi/dvb/frontend-property-terrestrial-systems.rst @@ -100,7 +100,7 @@ to tune any ISDB-T/ISDB-Tsb hardware. Of course it is possible that some very sophisticated devices won't need certain parameters to tune. The information given here should help application writers to know how -to handle ISDB-T and ISDB-Tsb hardware using the Linux DVB-API. +to handle ISDB-T and ISDB-Tsb hardware using the Linux Digital TV API. The details given here about ISDB-T and ISDB-Tsb are just enough to basically show the dependencies between the needed parameter values, but diff --git a/Documentation/media/uapi/dvb/frontend.rst b/Documentation/media/uapi/dvb/frontend.rst index 40adcd0..b9cfcad 100644 --- a/Documentation/media/uapi/dvb/frontend.rst +++ b/Documentation/media/uapi/dvb/frontend.rst @@ -2,11 +2,11 @@ .. _dvb_frontend: -################ -DVB Frontend API -################ +####################### +Digital TV Frontend API +####################### -The DVB frontend API was designed to support three groups of delivery +The Digital TV frontend API was designed to support three groups of delivery systems: Terrestrial, cable and Satellite. Currently, the following delivery systems are supported: @@ -17,7 +17,7 @@ delivery systems are supported: - Satellite systems: DVB-S, DVB-S2, DVB Turbo, ISDB-S, DSS -The DVB frontend controls several sub-devices including: +The Digital TV frontend controls several sub-devices including: - Tuner diff --git a/Documentation/media/uapi/dvb/frontend_f_close.rst b/Documentation/media/uapi/dvb/frontend_f_close.rst index 791434b..67958d7 100644 --- a/Documentation/media/uapi/dvb/frontend_f_close.rst +++ b/Documentation/media/uapi/dvb/frontend_f_close.rst @@ -2,9 +2,9 @@ .. _frontend_f_close: -******************** -DVB frontend close() -******************** +*************************** +Digital TV frontend close() +*************************** Name ==== diff --git a/Documentation/media/uapi/dvb/frontend_f_open.rst b/Documentation/media/uapi/dvb/frontend_f_open.rst index 4c25ece..8e8cb46 100644 --- a/Documentation/media/uapi/dvb/frontend_f_open.rst +++ b/Documentation/media/uapi/dvb/frontend_f_open.rst @@ -2,9 +2,9 @@ .. _frontend_f_open: -******************* -DVB frontend open() -******************* +*************************** +Digital TV frontend open() +*************************** Name ==== diff --git a/Documentation/media/uapi/dvb/frontend_legacy_dvbv3_api.rst b/Documentation/media/uapi/dvb/frontend_legacy_dvbv3_api.rst index 7d4a091..a4d5319 100644 --- a/Documentation/media/uapi/dvb/frontend_legacy_dvbv3_api.rst +++ b/Documentation/media/uapi/dvb/frontend_legacy_dvbv3_api.rst @@ -2,9 +2,9 @@ .. _frontend_legacy_dvbv3_api: -**************************************** -DVB Frontend legacy API (a. k. a. DVBv3) -**************************************** +*********************************************** +Digital TV Frontend legacy API (a. k. a. DVBv3) +*********************************************** The usage of this API is deprecated, as it doesn't support all digital TV standards, doesn't provide good statistics measurements and provides diff --git a/Documentation/media/uapi/dvb/intro.rst b/Documentation/media/uapi/dvb/intro.rst index aeafc9a..fbae687 100644 --- a/Documentation/media/uapi/dvb/intro.rst +++ b/Documentation/media/uapi/dvb/intro.rst @@ -33,19 +33,19 @@ use ioctl calls. This also includes the knowledge of C or C++. History ======= -The first API for DVB cards we used at Convergence in late 1999 was an +The first API for Digital TV cards we used at Convergence in late 1999 was an extension of the Video4Linux API which was primarily developed for frame -grabber cards. As such it was not really well suited to be used for DVB -cards and their new features like recording MPEG streams and filtering +grabber cards. As such it was not really well suited to be used for Digital +TV cards and their new features like recording MPEG streams and filtering several section and PES data streams at the same time. In early 2000, Convergence was approached by Nokia with a proposal for a new -standard Linux DVB API. As a commitment to the development of terminals +standard Linux Digital TV API. As a commitment to the development of terminals based on open standards, Nokia and Convergence made it available to all Linux developers and published it on https://linuxtv.org in September 2000. With the Linux driver for the Siemens/Hauppauge DVB PCI card, -Convergence provided a first implementation of the Linux DVB API. -Convergence was the maintainer of the Linux DVB API in the early +Convergence provided a first implementation of the Linux Digital TV API. +Convergence was the maintainer of the Linux Digital TV API in the early days. Now, the API is maintained by the LinuxTV community (i.e. you, the reader @@ -88,7 +88,7 @@ Conditional Access (CA) hardware like CI adapters and smartcard slots Not every digital TV hardware provides conditional access hardware. -Demultiplexer which filters the incoming DVB stream +Demultiplexer which filters the incoming Digital TV MPEG-TS stream The demultiplexer splits the TS into its components like audio and video streams. Besides usually several of such audio and video streams it also contains data streams with information about the @@ -124,8 +124,8 @@ The Linux Digital TV API lets you control these hardware components through currently six Unix-style character devices for video, audio, frontend, demux, CA and IP-over-DVB networking. The video and audio devices control the MPEG2 decoder hardware, the frontend device the tuner and -the DVB demodulator. The demux device gives you control over the PES and -section filters of the hardware. If the hardware does not support +the Digital TV demodulator. The demux device gives you control over the PES +and section filters of the hardware. If the hardware does not support filtering these filters can be implemented in software. Finally, the CA device controls all the conditional access capabilities of the hardware. It can depend on the individual security requirements of the platform, diff --git a/Documentation/media/uapi/dvb/legacy_dvb_apis.rst b/Documentation/media/uapi/dvb/legacy_dvb_apis.rst index dac349a1..7eb14d6 100644 --- a/Documentation/media/uapi/dvb/legacy_dvb_apis.rst +++ b/Documentation/media/uapi/dvb/legacy_dvb_apis.rst @@ -2,9 +2,9 @@ .. _legacy_dvb_apis: -******************* -DVB Deprecated APIs -******************* +*************************** +Digital TV Deprecated APIs +*************************** The APIs described here are kept only for historical reasons. There's just one driver for a very legacy hardware that uses this API. No modern diff --git a/Documentation/media/uapi/dvb/net-add-if.rst b/Documentation/media/uapi/dvb/net-add-if.rst index 5896bf1..1087efb 100644 --- a/Documentation/media/uapi/dvb/net-add-if.rst +++ b/Documentation/media/uapi/dvb/net-add-if.rst @@ -64,7 +64,7 @@ filled with the number of the created interface. - ifnum - - number of the DVB interface. + - number of the Digital TV interface. - .. row 4 diff --git a/Documentation/media/uapi/dvb/net.rst b/Documentation/media/uapi/dvb/net.rst index 00ae5df..fdb5301 100644 --- a/Documentation/media/uapi/dvb/net.rst +++ b/Documentation/media/uapi/dvb/net.rst @@ -2,10 +2,11 @@ .. _net: -############### -DVB Network API -############### -The DVB net device controls the mapping of data packages that are part +###################### +Digital TV Network API +###################### + +The Digital TV net device controls the mapping of data packages that are part of a transport stream to be mapped into a virtual network interface, visible through the standard Linux network protocol stack. @@ -28,8 +29,8 @@ header. .. _net_fcalls: -DVB net Function Calls -###################### +Digital TV net Function Calls +############################# .. toctree:: :maxdepth: 1 diff --git a/Documentation/media/uapi/dvb/query-dvb-frontend-info.rst b/Documentation/media/uapi/dvb/query-dvb-frontend-info.rst index 81cd9b9..51ec0b0 100644 --- a/Documentation/media/uapi/dvb/query-dvb-frontend-info.rst +++ b/Documentation/media/uapi/dvb/query-dvb-frontend-info.rst @@ -9,5 +9,5 @@ Querying frontend information Usually, the first thing to do when the frontend is opened is to check the frontend capabilities. This is done using :ref:`FE_GET_INFO`. This ioctl will enumerate the -DVB API version and other characteristics about the frontend, and can be -opened either in read only or read/write mode. +Digital TV API version and other characteristics about the frontend, and can +be opened either in read only or read/write mode. diff --git a/Documentation/media/uapi/dvb/video-continue.rst b/Documentation/media/uapi/dvb/video-continue.rst index 030c2ec..e65e600 100644 --- a/Documentation/media/uapi/dvb/video-continue.rst +++ b/Documentation/media/uapi/dvb/video-continue.rst @@ -44,7 +44,7 @@ Arguments Description ----------- -This ioctl is for DVB devices only. To control a V4L2 decoder use the +This ioctl is for Digital TV devices only. To control a V4L2 decoder use the V4L2 :ref:`VIDIOC_DECODER_CMD` instead. This ioctl call restarts decoding and playing processes of the video diff --git a/Documentation/media/uapi/dvb/video-freeze.rst b/Documentation/media/uapi/dvb/video-freeze.rst index 9cef65a..5a28bdc 100644 --- a/Documentation/media/uapi/dvb/video-freeze.rst +++ b/Documentation/media/uapi/dvb/video-freeze.rst @@ -44,14 +44,14 @@ Arguments Description ----------- -This ioctl is for DVB devices only. To control a V4L2 decoder use the +This ioctl is for Digital TV 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 +VIDEO_SELECT_SOURCE, the Digital TV subsystem will not decode any more data until the ioctl call VIDEO_CONTINUE or VIDEO_PLAY is performed. diff --git a/Documentation/media/uapi/dvb/video-get-event.rst b/Documentation/media/uapi/dvb/video-get-event.rst index 6ad14cd..b4f5361 100644 --- a/Documentation/media/uapi/dvb/video-get-event.rst +++ b/Documentation/media/uapi/dvb/video-get-event.rst @@ -50,7 +50,7 @@ Arguments Description ----------- -This ioctl is for DVB devices only. To get events from a V4L2 decoder +This ioctl is for Digital TV devices only. To get events from a V4L2 decoder use the V4L2 :ref:`VIDIOC_DQEVENT` ioctl instead. This ioctl call returns an event of type video_event if available. If diff --git a/Documentation/media/uapi/dvb/video-play.rst b/Documentation/media/uapi/dvb/video-play.rst index 3f66ae3..2124120 100644 --- a/Documentation/media/uapi/dvb/video-play.rst +++ b/Documentation/media/uapi/dvb/video-play.rst @@ -44,7 +44,7 @@ Arguments Description ----------- -This ioctl is for DVB devices only. To control a V4L2 decoder use the +This ioctl is for Digital TV devices only. To control a V4L2 decoder use the V4L2 :ref:`VIDIOC_DECODER_CMD` instead. This ioctl call asks the Video Device to start playing a video stream diff --git a/Documentation/media/uapi/dvb/video-select-source.rst b/Documentation/media/uapi/dvb/video-select-source.rst index 2f4fbf4..cde6542 100644 --- a/Documentation/media/uapi/dvb/video-select-source.rst +++ b/Documentation/media/uapi/dvb/video-select-source.rst @@ -50,7 +50,7 @@ Arguments Description ----------- -This ioctl is for DVB devices only. This ioctl was also supported by the +This ioctl is for Digital TV devices only. This ioctl was also supported by the V4L2 ivtv driver, but that has been replaced by the ivtv-specific ``IVTV_IOC_PASSTHROUGH_MODE`` ioctl. diff --git a/Documentation/media/uapi/dvb/video-stop.rst b/Documentation/media/uapi/dvb/video-stop.rst index fb827ef..474309a 100644 --- a/Documentation/media/uapi/dvb/video-stop.rst +++ b/Documentation/media/uapi/dvb/video-stop.rst @@ -60,7 +60,7 @@ Arguments Description ----------- -This ioctl is for DVB devices only. To control a V4L2 decoder use the +This ioctl is for Digital TV devices only. To control a V4L2 decoder use the V4L2 :ref:`VIDIOC_DECODER_CMD` instead. This ioctl call asks the Video Device to stop playing the current diff --git a/Documentation/media/uapi/dvb/video.rst b/Documentation/media/uapi/dvb/video.rst index 60d43fb..e7d68cd 100644 --- a/Documentation/media/uapi/dvb/video.rst +++ b/Documentation/media/uapi/dvb/video.rst @@ -2,20 +2,21 @@ .. _dvb_video: -################ -DVB Video Device -################ -The DVB video device controls the MPEG2 video decoder of the DVB -hardware. It can be accessed through **/dev/dvb/adapter0/video0**. Data +####################### +Digital TV Video Device +####################### + +The Digital TV video device controls the MPEG2 video decoder of the Digital +TV hardware. It can be accessed through **/dev/dvb/adapter0/video0**. Data types and and ioctl definitions can be accessed by including **linux/dvb/video.h** in your application. -Note that the DVB video device only controls decoding of the MPEG video +Note that the Digital TV video device only controls decoding of the MPEG video stream, not its presentation on the TV or computer screen. On PCs this is typically handled by an associated video4linux device, e.g. **/dev/video**, which allows scaling and defining output windows. -Some DVB cards don’t have their own MPEG decoder, which results in the +Some Digital TV cards don’t have their own MPEG decoder, which results in the omission of the audio and video device as well as the video4linux device. |
