@@ -4,199 +4,613 @@
Using the Digital TV Framework
==============================
-February 14th 2006
-
Introduction
~~~~~~~~~~~~
-.. note::
-
- This documentation is outdated. Please check at the DVB wiki
- at https://linuxtv.org/wiki for more updated info.
-
- There's a section there specific for Avermedia boards at:
- https://linuxtv.org/wiki/index.php/AVerMedia
-
-
-Assumptions and Introduction
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-It is assumed that the reader understands the basic structure
-of the Linux Kernel DVB drivers and the general principles of
-Digital TV.
-
-One significant difference between Digital TV and Analogue TV
-that the unwary (like myself) should consider is that,
-although the component structure of budget DVB-T cards are
-substantially similar to Analogue TV cards, they function in
-substantially different ways.
-
-The purpose of an Analogue TV is to receive and display an
-Analogue Television signal. An Analogue TV signal (otherwise
-known as composite video) is an analogue encoding of a
-sequence of image frames (25 per second) rasterised using an
-interlacing technique. Interlacing takes two fields to
-represent one frame. Computers today are at their best when
-dealing with digital signals, not analogue signals and a
-composite video signal is about as far removed from a digital
-data stream as you can get. Therefore, an Analogue TV card for
-a PC has the following purpose:
+One significant difference between Digital TV and Analogue TV that the
+unwary (like myself) should consider is that, although the component
+structure of DVB-T cards are substantially similar to Analogue TV cards,
+they function in substantially different ways.
+
+The purpose of an Analogue TV is to receive and display an Analogue
+Television signal. An Analogue TV signal (otherwise known as composite
+video) is an analogue encoding of a sequence of image frames (25 frames
+per second in Europe) rasterised using an interlacing technique.
+Interlacing takes two fields to represent one frame. Therefore, an
+Analogue TV card for a PC has the following purpose:
* Tune the receiver to receive a broadcast signal
* demodulate the broadcast signal
-* demultiplex the analogue video signal and analogue audio
- signal. **NOTE:** some countries employ a digital audio signal
- embedded within the modulated composite analogue signal -
- NICAM.)
-* digitize the analogue video signal and make the resulting
- datastream available to the data bus.
-
-The digital datastream from an Analogue TV card is generated
-by circuitry on the card and is often presented uncompressed.
-For a PAL TV signal encoded at a resolution of 768x576 24-bit
-color pixels over 25 frames per second - a fair amount of data
-is generated and must be processed by the PC before it can be
-displayed on the video monitor screen. Some Analogue TV cards
-for PCs have onboard MPEG2 encoders which permit the raw
-digital data stream to be presented to the PC in an encoded
-and compressed form - similar to the form that is used in
-Digital TV.
-
-The purpose of a simple budget digital TV card (DVB-T,C or S)
-is to simply:
-
-* Tune the received to receive a broadcast signal.
-* Extract the encoded digital datastream from the broadcast
+* demultiplex the analogue video signal and analogue audio
signal.
-* Make the encoded digital datastream (MPEG2) available to
- the data bus.
-
-The significant difference between the two is that the tuner
-on the analogue TV card spits out an Analogue signal, whereas
-the tuner on the digital TV card spits out a compressed
-encoded digital datastream. As the signal is already
-digitised, it is trivial to pass this datastream to the PC
-databus with minimal additional processing and then extract
-the digital video and audio datastreams passing them to the
-appropriate software or hardware for decoding and viewing.
+ .. note::
+
+ some countries employ a digital audio signal
+ embedded within the modulated composite analogue signal -
+ using NICAM signaling.)
+
+* digitize the analogue video signal and make the resulting datastream
+ available to the data bus.
+
+The digital datastream from an Analogue TV card is generated by
+circuitry on the card and is often presented uncompressed. For a PAL TV
+signal encoded at a resolution of 768x576 24-bit color pixels over 25
+frames per second - a fair amount of data is generated and must be
+processed by the PC before it can be displayed on the video monitor
+screen. Some Analogue TV cards for PCs have onboard MPEG2 encoders which
+permit the raw digital data stream to be presented to the PC in an
+encoded and compressed form - similar to the form that is used in
+Digital TV.
+
+The purpose of a simple budget digital TV card (DVB-T,C or S) is to
+simply:
+
+* Tune the received to receive a broadcast signal. * Extract the encoded
+ digital datastream from the broadcast signal.
+* Make the encoded digital datastream (MPEG2) available to the data bus.
+
+The significant difference between the two is that the tuner on the
+analogue TV card spits out an Analogue signal, whereas the tuner on the
+digital TV card spits out a compressed encoded digital datastream. As
+the signal is already digitised, it is trivial to pass this datastream
+to the PC databus with minimal additional processing and then extract
+the digital video and audio datastreams passing them to the appropriate
+software or hardware for decoding and viewing.
Getting the card going
~~~~~~~~~~~~~~~~~~~~~~
-In order to fire up the card, it is necessary to load a number
-of modules from the DVB driver set. Prior to this it will have
-been necessary to download these drivers from the linuxtv CVS
-server and compile them successfully.
+The Device Driver API for DVB under Linux will the following
+device nodes via the devfs filesystem:
-Depending on the card's feature set, the Device Driver API for
-DVB under Linux will expose some of the following device files
-in the /dev tree:
-
-* /dev/dvb/adapter0/audio0
-* /dev/dvb/adapter0/ca0
* /dev/dvb/adapter0/demux0
* /dev/dvb/adapter0/dvr0
* /dev/dvb/adapter0/frontend0
+
+The ``/dev/dvb/adapter0/dvr0`` device node is used to read the MPEG2
+Data Stream and the ``/dev/dvb/adapter0/frontend0`` device node is used
+to tune the frontend tuner module. The ``/dev/dvb/adapter0/demux0`` is
+used to control what programs will be received.
+
+Depending on the card's feature set, the Device Driver API could also
+expose other device nodes:
+
+* /dev/dvb/adapter0/ca0
+* /dev/dvb/adapter0/audio0
* /dev/dvb/adapter0/net0
* /dev/dvb/adapter0/osd0
* /dev/dvb/adapter0/video0
-The primary device nodes that we are interested in (at this
-stage) for the Avermedia DVB-T are:
+The ``/dev/dvb/adapter0/ca0`` is used to decode encrypted channels. The
+other device nodes are found only on devices that use the av7110
+driver, with is now obsoleted, together with the extra API whose such
+devices use.
-* /dev/dvb/adapter0/dvr0
-* /dev/dvb/adapter0/frontend0
+Receiving a digital TV channel
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-The dvr0 device node is used to read the MPEG2 Data Stream and
-the frontend0 node is used to tune the frontend tuner module.
+This section attempts to explain how it works and how this affects the
+configuration of a Digital TV card.
+On this example, we're considering tuning into DVB-T channels in
+Australia, at the Melbourne region.
-Receiving DVB-T in Australia
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-I have no experience of DVB-T in other countries other than
-Australia, so I will attempt to explain how it works here in
-Melbourne and how this affects the configuration of the DVB-T
-card.
-
-The Digital Broadcasting Australia website has a Reception
-locatortool which provides information on transponder channels
-and frequencies. My local transmitter happens to be Mount
-Dandenong.
-
-The frequencies broadcast by Mount Dandenong are:
+The frequencies broadcast by Mount Dandenong transmitters are,
+currently:
Table 1. Transponder Frequencies Mount Dandenong, Vic, Aus.
-=========== ======= ===========
-Broadcaster Channel Frequency
-=========== ======= ===========
-ABC VHF 12 226.5 MHz
-TEN VHF 11 219.5 MHz
-NINE VHF 8 191.625 MHz
-SEVEN VHF 6 177.5 MHz
-SBS UHF 29 536.5 MHz
-=========== ======= ===========
+=========== ===========
+Broadcaster Frequency
+=========== ===========
+Seven 177.500 Mhz
+SBS 184.500 Mhz
+Nine 191.625 Mhz
+Ten 219.500 Mhz
+ABC 226.500 Mhz
+Channel 31 557.625 Mhz
+=========== ===========
-The Scan utility has a set of compiled-in defaults for various
-countries and regions, but if they do not suit, or if you have
-a pre-compiled scan binary, you can specify a data file on the
-command line which contains the transponder frequencies. Here
-is a sample file for the above channel transponders:
+The digital TV Scan utilities (like dvbv5-scan) have use a set of
+compiled-in defaults for various countries and regions. Those are
+currently provided as a separate package, called dtv-scan-tables. It's
+git tree is located at LinuxTV.org:
-::
+ https://git.linuxtv.org/dtv-scan-tables.git/
+
+If none of the tables there suit, you can specify a data file on the
+command line which contains the transponder frequencies. Here is a
+sample file for the above channel transponders, in the old "channel"
+format::
# Data file for DVB scan program
#
# C Frequency SymbolRate FEC QAM
# S Frequency Polarisation SymbolRate FEC
# T Frequency Bandwidth FEC FEC2 QAM Mode Guard Hier
- T 226500000 7MHz 2/3 NONE QAM64 8k 1/8 NONE
- T 191625000 7MHz 2/3 NONE QAM64 8k 1/8 NONE
- T 219500000 7MHz 2/3 NONE QAM64 8k 1/8 NONE
- T 177500000 7MHz 2/3 NONE QAM64 8k 1/8 NONE
- T 536500000 7MHz 2/3 NONE QAM64 8k 1/8 NONE
-
-The defaults for the transponder frequency and other
-modulation parameters were obtained from www.dba.org.au.
-
-When Scan runs, it will output channels.conf information for
-any channel's transponders which the card's frontend can lock
-onto. (i.e. any whose signal is strong enough at your
-antenna).
-
-Here's my channels.conf file for anyone who's interested:
-
-::
-
- ABC HDTV:226500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_3_4:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:2307:0:560
- ABC TV Melbourne:226500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_3_4:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:561
- ABC TV 2:226500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_3_4:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:562
- ABC TV 3:226500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_3_4:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:563
- ABC TV 4:226500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_3_4:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:564
- ABC DiG Radio:226500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_3_4:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:0:2311:566
- TEN Digital:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1585
- TEN Digital 1:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1586
- TEN Digital 2:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1587
- TEN Digital 3:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1588
- TEN Digital:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1589
- TEN Digital 4:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1590
- TEN Digital:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1591
- TEN HD:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:514:0:1592
- TEN Digital:219500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:650:1593
- Nine Digital:191625000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:513:660:1072
- Nine Digital HD:191625000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:512:0:1073
- Nine Guide:191625000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_3_4:FEC_1_2:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_16:HIERARCHY_NONE:514:670:1074
- 7 Digital:177500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:769:770:1328
- 7 Digital 1:177500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:769:770:1329
- 7 Digital 2:177500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:769:770:1330
- 7 Digital 3:177500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:769:770:1331
- 7 HD Digital:177500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:833:834:1332
- 7 Program Guide:177500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:865:866:1334
- SBS HD:536500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:102:103:784
- SBS DIGITAL 1:536500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:161:81:785
- SBS DIGITAL 2:536500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:162:83:786
- SBS EPG:536500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:163:85:787
- SBS RADIO 1:536500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:0:201:798
- SBS RADIO 2:536500000:INVERSION_OFF:BANDWIDTH_7_MHZ:FEC_2_3:FEC_2_3:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE:0:202:799
+
+ T 177500000 7MHz AUTO AUTO QAM64 8k 1/16 NONE
+ T 184500000 7MHz AUTO AUTO QAM64 8k 1/8 NONE
+ T 191625000 7MHz AUTO AUTO QAM64 8k 1/16 NONE
+ T 219500000 7MHz AUTO AUTO QAM64 8k 1/16 NONE
+ T 226500000 7MHz AUTO AUTO QAM64 8k 1/16 NONE
+ T 557625000 7MHz AUTO AUTO QPSK 8k 1/16 NONE
+
+Nowadays, we prefer to use a newer format, with is more verbose and easier
+to understand. With the new format, the "Seven" channel transponder's
+data is represented by::
+
+ [Seven]
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 177500000
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = AUTO
+ CODE_RATE_LP = AUTO
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+ INVERSION = AUTO
+
+For an updated version of the complete table, please see:
+
+ https://git.linuxtv.org/dtv-scan-tables.git/tree/dvb-t/au-Melbourne
+
+When the Digital TV scanning utility runs, it will output a file
+containing the information for all the audio and video programs that
+exists into each channel's transponders which the card's frontend can
+lock onto. (i.e. any whose signal is strong enough at your antenna).
+
+Here's the output of the dvbv5 tools from a channel scan took from
+Melburne::
+
+ [ABC HDTV]
+ SERVICE_ID = 560
+ VIDEO_PID = 2307
+ AUDIO_PID = 0
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 226500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 3/4
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [ABC TV Melbourne]
+ SERVICE_ID = 561
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 226500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 3/4
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [ABC TV 2]
+ SERVICE_ID = 562
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 226500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 3/4
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [ABC TV 3]
+ SERVICE_ID = 563
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 226500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 3/4
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [ABC TV 4]
+ SERVICE_ID = 564
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 226500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 3/4
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [ABC DiG Radio]
+ SERVICE_ID = 566
+ VIDEO_PID = 0
+ AUDIO_PID = 2311
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 226500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 3/4
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital]
+ SERVICE_ID = 1585
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital 1]
+ SERVICE_ID = 1586
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital 2]
+ SERVICE_ID = 1587
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital 3]
+ SERVICE_ID = 1588
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital]
+ SERVICE_ID = 1589
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital 4]
+ SERVICE_ID = 1590
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital]
+ SERVICE_ID = 1591
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN HD]
+ SERVICE_ID = 1592
+ VIDEO_PID = 514
+ AUDIO_PID = 0
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [TEN Digital]
+ SERVICE_ID = 1593
+ VIDEO_PID = 512
+ AUDIO_PID = 650
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 219500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [Nine Digital]
+ SERVICE_ID = 1072
+ VIDEO_PID = 513
+ AUDIO_PID = 660
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 191625000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [Nine Digital HD]
+ SERVICE_ID = 1073
+ VIDEO_PID = 512
+ AUDIO_PID = 0
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 191625000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [Nine Guide]
+ SERVICE_ID = 1074
+ VIDEO_PID = 514
+ AUDIO_PID = 670
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 191625000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 3/4
+ CODE_RATE_LP = 1/2
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/16
+ HIERARCHY = NONE
+
+ [7 Digital]
+ SERVICE_ID = 1328
+ VIDEO_PID = 769
+ AUDIO_PID = 770
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 177500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [7 Digital 1]
+ SERVICE_ID = 1329
+ VIDEO_PID = 769
+ AUDIO_PID = 770
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 177500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [7 Digital 2]
+ SERVICE_ID = 1330
+ VIDEO_PID = 769
+ AUDIO_PID = 770
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 177500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [7 Digital 3]
+ SERVICE_ID = 1331
+ VIDEO_PID = 769
+ AUDIO_PID = 770
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 177500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [7 HD Digital]
+ SERVICE_ID = 1332
+ VIDEO_PID = 833
+ AUDIO_PID = 834
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 177500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [7 Program Guide]
+ SERVICE_ID = 1334
+ VIDEO_PID = 865
+ AUDIO_PID = 866
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 177500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [SBS HD]
+ SERVICE_ID = 784
+ VIDEO_PID = 102
+ AUDIO_PID = 103
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 536500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [SBS DIGITAL 1]
+ SERVICE_ID = 785
+ VIDEO_PID = 161
+ AUDIO_PID = 81
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 536500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [SBS DIGITAL 2]
+ SERVICE_ID = 786
+ VIDEO_PID = 162
+ AUDIO_PID = 83
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 536500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [SBS EPG]
+ SERVICE_ID = 787
+ VIDEO_PID = 163
+ AUDIO_PID = 85
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 536500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [SBS RADIO 1]
+ SERVICE_ID = 798
+ VIDEO_PID = 0
+ AUDIO_PID = 201
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 536500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
+
+ [SBS RADIO 2]
+ SERVICE_ID = 799
+ VIDEO_PID = 0
+ AUDIO_PID = 202
+ DELIVERY_SYSTEM = DVBT
+ FREQUENCY = 536500000
+ INVERSION = OFF
+ BANDWIDTH_HZ = 7000000
+ CODE_RATE_HP = 2/3
+ CODE_RATE_LP = 2/3
+ MODULATION = QAM/64
+ TRANSMISSION_MODE = 8K
+ GUARD_INTERVAL = 1/8
+ HIERARCHY = NONE
The content there is somewhat outdated. Update to reflect the current status. While here, remove extra spaces, as we won't be preserving left margin alinment on this document. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> --- Documentation/admin-guide/media/dvb_intro.rst | 736 ++++++++++++++---- 1 file changed, 575 insertions(+), 161 deletions(-)