diff --git a/[refs] b/[refs]
index ca90d241adbe..c8bd872c2010 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
---
-refs/heads/master: db8d0ea70572c5f74624115e0d5cd7e34a6ba3c7
+refs/heads/master: 17d8bb061fcf8ba6a56adcf193d7d255966cff79
diff --git a/trunk/Documentation/DocBook/media/dvb/dvbproperty.xml b/trunk/Documentation/DocBook/media/dvb/dvbproperty.xml
index 01f39337e3f7..d8a642475ad8 100644
--- a/trunk/Documentation/DocBook/media/dvb/dvbproperty.xml
+++ b/trunk/Documentation/DocBook/media/dvb/dvbproperty.xml
@@ -197,8 +197,8 @@ get/set up to 64 properties. The actual meaning of each property is described on
DTV_DVBT2_PLP_ID
-
- Parameters that are common to all Digital TV standards
+
+ Digital TV property parameters<constant>DTV_UNDEFINED</constant>Used internally. A GET/SET operation for it won't change or return anything.
@@ -211,6 +211,20 @@ get/set up to 64 properties. The actual meaning of each property is described on
<constant>DTV_CLEAR</constant>Reset a cache of data specific to the frontend here. This does not effect hardware.
+
+ <constant>DTV_FREQUENCY</constant>
+
+ Central frequency of the channel, in HZ.
+
+ Notes:
+ 1)For ISDB-T, the channels are usually transmitted with an offset of 143kHz.
+ E.g. a valid frequncy could be 474143 kHz. The stepping is bound to the bandwidth of
+ the channel which is 6MHz.
+
+ 2)As in ISDB-Tsb the channel consists of only one or three segments the
+ frequency step is 429kHz, 3*429 respectively. As for ISDB-T the
+ central frequency of the channel is expected.
+ <constant>DTV_MODULATION</constant>Specifies the frontend modulation type for cable and satellite types. The modulation can be one of the types bellow:
@@ -232,6 +246,32 @@ get/set up to 64 properties. The actual meaning of each property is described on
} fe_modulation_t;
+
+ <constant>DTV_BANDWIDTH_HZ</constant>
+
+ Bandwidth for the channel, in HZ.
+
+ Possible values:
+ 1712000,
+ 5000000,
+ 6000000,
+ 7000000,
+ 8000000,
+ 10000000.
+
+
+ Notes:
+
+ 1) For ISDB-T it should be always 6000000Hz (6MHz)
+ 2) For ISDB-Tsb it can vary depending on the number of connected segments
+ 3) Bandwidth doesn't apply for DVB-C transmissions, as the bandwidth
+ for DVB-C depends on the symbol rate
+ 4) Bandwidth in ISDB-T is fixed (6MHz) or can be easily derived from
+ other parameters (DTV_ISDBT_SB_SEGMENT_IDX,
+ DTV_ISDBT_SB_SEGMENT_COUNT).
+ 5) DVB-T supports 6, 7 and 8MHz.
+ 6) In addition, DVB-T2 supports 1.172, 5 and 10MHz.
+ <constant>DTV_INVERSION</constant>The Inversion field can take one of these values:
@@ -338,6 +378,205 @@ typedef enum fe_rolloff {
<constant>DTV_FE_CAPABILITY</constant>Currently not implemented.
+
+ <constant>DTV_DELIVERY_SYSTEM</constant>
+ Specifies the type of Delivery system
+
+ fe_delivery_system type
+ Possible values:
+
+typedef enum fe_delivery_system {
+ SYS_UNDEFINED,
+ SYS_DVBC_ANNEX_AC,
+ SYS_DVBC_ANNEX_B,
+ SYS_DVBT,
+ SYS_DSS,
+ SYS_DVBS,
+ SYS_DVBS2,
+ SYS_DVBH,
+ SYS_ISDBT,
+ SYS_ISDBS,
+ SYS_ISDBC,
+ SYS_ATSC,
+ SYS_ATSCMH,
+ SYS_DMBTH,
+ SYS_CMMB,
+ SYS_DAB,
+ SYS_DVBT2,
+} fe_delivery_system_t;
+
+
+
+
+ <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>
+
+ If DTV_ISDBT_SOUND_BROADCASTING is '0' this bit-field represents whether
+ the channel is in partial reception mode or not.
+
+ If '1' DTV_ISDBT_LAYERA_* values are assigned to the center segment and
+ DTV_ISDBT_LAYERA_SEGMENT_COUNT has to be '1'.
+
+ If in addition DTV_ISDBT_SOUND_BROADCASTING is '1'
+ DTV_ISDBT_PARTIAL_RECEPTION represents whether this ISDB-Tsb channel
+ is consisting of one segment and layer or three segments and two layers.
+
+ Possible values: 0, 1, -1 (AUTO)
+
+
+ <constant>DTV_ISDBT_SOUND_BROADCASTING</constant>
+
+ This field represents whether the other DTV_ISDBT_*-parameters are
+ referring to an ISDB-T and an ISDB-Tsb channel. (See also
+ DTV_ISDBT_PARTIAL_RECEPTION).
+
+ Possible values: 0, 1, -1 (AUTO)
+
+
+ <constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant>
+
+ This field only applies if DTV_ISDBT_SOUND_BROADCASTING is '1'.
+
+ (Note of the author: This might not be the correct description of the
+ SUBCHANNEL-ID in all details, but it is my understanding of the technical
+ background needed to program a device)
+
+ An ISDB-Tsb channel (1 or 3 segments) can be broadcasted alone or in a
+ set of connected ISDB-Tsb channels. In this set of channels every
+ channel can be received independently. The number of connected
+ ISDB-Tsb segment can vary, e.g. depending on the frequency spectrum
+ bandwidth available.
+
+ Example: Assume 8 ISDB-Tsb connected segments are broadcasted. The
+ broadcaster has several possibilities to put those channels in the
+ air: Assuming a normal 13-segment ISDB-T spectrum he can align the 8
+ segments from position 1-8 to 5-13 or anything in between.
+
+ The underlying layer of segments are subchannels: each segment is
+ consisting of several subchannels with a predefined IDs. A sub-channel
+ is used to help the demodulator to synchronize on the channel.
+
+ An ISDB-T channel is always centered over all sub-channels. As for
+ the example above, in ISDB-Tsb it is no longer as simple as that.
+
+ The DTV_ISDBT_SB_SUBCHANNEL_ID parameter is used to give the
+ sub-channel ID of the segment to be demodulated.
+
+ Possible values: 0 .. 41, -1 (AUTO)
+
+
+ <constant>DTV_ISDBT_SB_SEGMENT_IDX</constant>
+ This field only applies if DTV_ISDBT_SOUND_BROADCASTING is '1'.
+ DTV_ISDBT_SB_SEGMENT_IDX gives the index of the segment to be
+ demodulated for an ISDB-Tsb channel where several of them are
+ transmitted in the connected manner.
+ Possible values: 0 .. DTV_ISDBT_SB_SEGMENT_COUNT - 1
+ Note: This value cannot be determined by an automatic channel search.
+
+
+ <constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant>
+ This field only applies if DTV_ISDBT_SOUND_BROADCASTING is '1'.
+ DTV_ISDBT_SB_SEGMENT_COUNT gives the total count of connected ISDB-Tsb
+ channels.
+ Possible values: 1 .. 13
+ Note: This value cannot be determined by an automatic channel search.
+
+
+ Hierarchical layers
+ ISDB-T channels can be coded hierarchically. As opposed to DVB-T in
+ ISDB-T hierarchical layers can be decoded simultaneously. For that
+ reason a ISDB-T demodulator has 3 viterbi and 3 reed-solomon-decoders.
+ ISDB-T has 3 hierarchical layers which each can use a part of the
+ available segments. The total number of segments over all layers has
+ to 13 in ISDB-T.
+
+ <constant>DTV_ISDBT_LAYER_ENABLED</constant>
+ Hierarchical reception in ISDB-T is achieved by enabling or disabling
+ layers in the decoding process. Setting all bits of
+ DTV_ISDBT_LAYER_ENABLED to '1' forces all layers (if applicable) to be
+ demodulated. This is the default.
+ If the channel is in the partial reception mode
+ (DTV_ISDBT_PARTIAL_RECEPTION = 1) the central segment can be decoded
+ independently of the other 12 segments. In that mode layer A has to
+ have a SEGMENT_COUNT of 1.
+ In ISDB-Tsb only layer A is used, it can be 1 or 3 in ISDB-Tsb
+ according to DTV_ISDBT_PARTIAL_RECEPTION. SEGMENT_COUNT must be filled
+ accordingly.
+ Possible values: 0x1, 0x2, 0x4 (|-able)
+ DTV_ISDBT_LAYER_ENABLED[0:0] - layer A
+ DTV_ISDBT_LAYER_ENABLED[1:1] - layer B
+ DTV_ISDBT_LAYER_ENABLED[2:2] - layer C
+ DTV_ISDBT_LAYER_ENABLED[31:3] unused
+
+
+ <constant>DTV_ISDBT_LAYER*_FEC</constant>
+ Possible values: FEC_AUTO, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8
+
+
+ <constant>DTV_ISDBT_LAYER*_MODULATION</constant>
+ Possible values: QAM_AUTO, QPSK, QAM_16, QAM_64, DQPSK
+ Note: If layer C is DQPSK layer B has to be DQPSK. If layer B is DQPSK
+ and DTV_ISDBT_PARTIAL_RECEPTION=0 layer has to be DQPSK.
+
+
+ <constant>DTV_ISDBT_LAYER*_SEGMENT_COUNT</constant>
+ Possible values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, -1 (AUTO)
+ Note: Truth table for DTV_ISDBT_SOUND_BROADCASTING and
+ DTV_ISDBT_PARTIAL_RECEPTION and LAYER*_SEGMENT_COUNT
+
+
+
+
+ PR
+ SB
+ Layer A width
+ Layer B width
+ Layer C width
+ total width
+
+
+ 0
+ 0
+ 1 .. 13
+ 1 .. 13
+ 1 .. 13
+ 13
+
+
+ 1
+ 0
+ 1
+ 1 .. 13
+ 1 .. 13
+ 13
+
+
+ 0
+ 1
+ 1
+ 0
+ 0
+ 1
+
+
+ 1
+ 1
+ 1
+ 2
+ 0
+ 13
+
+
+
+
+
+
+ <constant>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</constant>
+ Possible values: 0, 1, 2, 3, -1 (AUTO)
+ Note: The real inter-leaver depth-names depend on the mode (fft-size); the values
+ here are referring to what can be found in the TMCC-structure -
+ independent of the mode.
+
+ <constant>DTV_API_VERSION</constant>Returns the major/minor version of the DVB API
@@ -384,95 +623,29 @@ typedef enum fe_code_rate {
} fe_code_rate_t;
-
- <constant>DTV_HIERARCHY</constant>
- Frontend hierarchy
-
-typedef enum fe_hierarchy {
- HIERARCHY_NONE,
- HIERARCHY_1,
- HIERARCHY_2,
- HIERARCHY_4,
- HIERARCHY_AUTO
- } fe_hierarchy_t;
-
-
-
- <constant>DTV_ISDBS_TS_ID</constant>
- Currently unused.
-
-
- <constant>DTV_FREQUENCY</constant>
-
- Central frequency of the channel, in HZ.
-
- Notes:
- 1)For ISDB-T, the channels are usually transmitted with an offset of 143kHz.
- E.g. a valid frequncy could be 474143 kHz. The stepping is bound to the bandwidth of
- the channel which is 6MHz.
-
- 2)As in ISDB-Tsb the channel consists of only one or three segments the
- frequency step is 429kHz, 3*429 respectively. As for ISDB-T the
- central frequency of the channel is expected.
-
-
-
- <constant>DTV_BANDWIDTH_HZ</constant>
-
- Bandwidth for the channel, in HZ.
-
- Possible values:
- 1712000,
- 5000000,
- 6000000,
- 7000000,
- 8000000,
- 10000000.
-
-
- Notes:
-
- 1) For ISDB-T it should be always 6000000Hz (6MHz)
- 2) For ISDB-Tsb it can vary depending on the number of connected segments
- 3) Bandwidth doesn't apply for DVB-C transmissions, as the bandwidth
- for DVB-C depends on the symbol rate
- 4) Bandwidth in ISDB-T is fixed (6MHz) or can be easily derived from
- other parameters (DTV_ISDBT_SB_SEGMENT_IDX,
- DTV_ISDBT_SB_SEGMENT_COUNT).
- 5) DVB-T supports 6, 7 and 8MHz.
- 6) In addition, DVB-T2 supports 1.172, 5 and 10MHz.
-
-
-
- <constant>DTV_DELIVERY_SYSTEM</constant>
-
- Specifies the type of Delivery system
+
+ <constant>DTV_GUARD_INTERVAL</constant>
- Possible values:
+ Possible values are:
-typedef enum fe_delivery_system {
- SYS_UNDEFINED,
- SYS_DVBC_ANNEX_AC,
- SYS_DVBC_ANNEX_B,
- SYS_DVBT,
- SYS_DSS,
- SYS_DVBS,
- SYS_DVBS2,
- SYS_DVBH,
- SYS_ISDBT,
- SYS_ISDBS,
- SYS_ISDBC,
- SYS_ATSC,
- SYS_ATSCMH,
- SYS_DMBTH,
- SYS_CMMB,
- SYS_DAB,
- SYS_DVBT2,
-} fe_delivery_system_t;
+typedef enum fe_guard_interval {
+ GUARD_INTERVAL_1_32,
+ GUARD_INTERVAL_1_16,
+ GUARD_INTERVAL_1_8,
+ GUARD_INTERVAL_1_4,
+ GUARD_INTERVAL_AUTO,
+ GUARD_INTERVAL_1_128,
+ GUARD_INTERVAL_19_128,
+ GUARD_INTERVAL_19_256,
+} fe_guard_interval_t;
+ Notes:
+ 1) If DTV_GUARD_INTERVAL is set the GUARD_INTERVAL_AUTO the hardware will
+ try to find the correct guard interval (if capable) and will use TMCC to fill
+ in the missing parameters.
+ 2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present
-
<constant>DTV_TRANSMISSION_MODE</constant>
@@ -490,7 +663,6 @@ typedef enum fe_transmit_mode {
TRANSMISSION_MODE_32K,
} fe_transmit_mode_t;
-
Notes:1) ISDB-T supports three carrier/symbol-size: 8K, 4K, 2K. It is called
'mode' in the standard: Mode 1 is 2K, mode 2 is 4K, mode 3 is 8K
@@ -501,291 +673,60 @@ typedef enum fe_transmit_mode {
3) DVB-T specifies 2K and 8K as valid sizes.4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.
-
-
- <constant>DTV_GUARD_INTERVAL</constant>
-
- Possible values are:
-
-typedef enum fe_guard_interval {
- GUARD_INTERVAL_1_32,
- GUARD_INTERVAL_1_16,
- GUARD_INTERVAL_1_8,
- GUARD_INTERVAL_1_4,
- GUARD_INTERVAL_AUTO,
- GUARD_INTERVAL_1_128,
- GUARD_INTERVAL_19_128,
- GUARD_INTERVAL_19_256,
-} fe_guard_interval_t;
-
-
- Notes:
- 1) If DTV_GUARD_INTERVAL is set the GUARD_INTERVAL_AUTO the hardware will
- try to find the correct guard interval (if capable) and will use TMCC to fill
- in the missing parameters.
- 2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present
+
+ <constant>DTV_HIERARCHY</constant>
+ Frontend hierarchy
+
+typedef enum fe_hierarchy {
+ HIERARCHY_NONE,
+ HIERARCHY_1,
+ HIERARCHY_2,
+ HIERARCHY_4,
+ HIERARCHY_AUTO
+ } fe_hierarchy_t;
+
-
-
-
- ISDB-T frontend
- This section describes shortly what are the possible parameters in the Linux
- DVB-API called "S2API" and now DVB API 5 in order to tune an ISDB-T/ISDB-Tsb
- demodulator:
-
- This ISDB-T/ISDB-Tsb API extension should reflect all information
- needed 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.
-
- The details given here about ISDB-T and ISDB-Tsb are just enough to
- basically show the dependencies between the needed parameter values,
- but surely some information is left out. For more detailed information
- see the following documents:
-
- ARIB STD-B31 - "Transmission System for Digital Terrestrial
- Television Broadcasting" and
- ARIB TR-B14 - "Operational Guidelines for Digital Terrestrial
- Television Broadcasting".
-
- In order to read this document one has to have some knowledge the
- channel structure in ISDB-T and ISDB-Tsb. I.e. it has to be known to
- the reader that an ISDB-T channel consists of 13 segments, that it can
- have up to 3 layer sharing those segments, and things like that.
-
- Parameters used by ISDB-T and ISDB-Tsb.
-
-
- ISDB-T only parameters
-
-
- <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>
-
- If DTV_ISDBT_SOUND_BROADCASTING is '0' this bit-field represents whether
- the channel is in partial reception mode or not.
-
- If '1' DTV_ISDBT_LAYERA_* values are assigned to the center segment and
- DTV_ISDBT_LAYERA_SEGMENT_COUNT has to be '1'.
-
- If in addition DTV_ISDBT_SOUND_BROADCASTING is '1'
- DTV_ISDBT_PARTIAL_RECEPTION represents whether this ISDB-Tsb channel
- is consisting of one segment and layer or three segments and two layers.
-
- Possible values: 0, 1, -1 (AUTO)
-
-
-
- <constant>DTV_ISDBT_SOUND_BROADCASTING</constant>
-
- This field represents whether the other DTV_ISDBT_*-parameters are
- referring to an ISDB-T and an ISDB-Tsb channel. (See also
- DTV_ISDBT_PARTIAL_RECEPTION).
-
- Possible values: 0, 1, -1 (AUTO)
-
-
-
- <constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant>
-
- This field only applies if DTV_ISDBT_SOUND_BROADCASTING is '1'.
-
- (Note of the author: This might not be the correct description of the
- SUBCHANNEL-ID in all details, but it is my understanding of the technical
- background needed to program a device)
-
- An ISDB-Tsb channel (1 or 3 segments) can be broadcasted alone or in a
- set of connected ISDB-Tsb channels. In this set of channels every
- channel can be received independently. The number of connected
- ISDB-Tsb segment can vary, e.g. depending on the frequency spectrum
- bandwidth available.
-
- Example: Assume 8 ISDB-Tsb connected segments are broadcasted. The
- broadcaster has several possibilities to put those channels in the
- air: Assuming a normal 13-segment ISDB-T spectrum he can align the 8
- segments from position 1-8 to 5-13 or anything in between.
-
- The underlying layer of segments are subchannels: each segment is
- consisting of several subchannels with a predefined IDs. A sub-channel
- is used to help the demodulator to synchronize on the channel.
-
- An ISDB-T channel is always centered over all sub-channels. As for
- the example above, in ISDB-Tsb it is no longer as simple as that.
-
- The DTV_ISDBT_SB_SUBCHANNEL_ID parameter is used to give the
- sub-channel ID of the segment to be demodulated.
-
- Possible values: 0 .. 41, -1 (AUTO)
-
-
-
-
- <constant>DTV_ISDBT_SB_SEGMENT_IDX</constant>
-
- This field only applies if DTV_ISDBT_SOUND_BROADCASTING is '1'.
-
- DTV_ISDBT_SB_SEGMENT_IDX gives the index of the segment to be
- demodulated for an ISDB-Tsb channel where several of them are
- transmitted in the connected manner.
-
- Possible values: 0 .. DTV_ISDBT_SB_SEGMENT_COUNT - 1
-
- Note: This value cannot be determined by an automatic channel search.
-
-
-
- <constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant>
-
- This field only applies if DTV_ISDBT_SOUND_BROADCASTING is '1'.
-
- DTV_ISDBT_SB_SEGMENT_COUNT gives the total count of connected ISDB-Tsb
- channels.
-
- Possible values: 1 .. 13
-
- Note: This value cannot be determined by an automatic channel search.
-
-
-
- Hierarchical layers
-
- ISDB-T channels can be coded hierarchically. As opposed to DVB-T in
- ISDB-T hierarchical layers can be decoded simultaneously. For that
- reason a ISDB-T demodulator has 3 viterbi and 3 reed-solomon-decoders.
-
- ISDB-T has 3 hierarchical layers which each can use a part of the
- available segments. The total number of segments over all layers has
- to 13 in ISDB-T.
-
-
- <constant>DTV_ISDBT_LAYER_ENABLED</constant>
-
- Hierarchical reception in ISDB-T is achieved by enabling or disabling
- layers in the decoding process. Setting all bits of
- DTV_ISDBT_LAYER_ENABLED to '1' forces all layers (if applicable) to be
- demodulated. This is the default.
-
- If the channel is in the partial reception mode
- (DTV_ISDBT_PARTIAL_RECEPTION = 1) the central segment can be decoded
- independently of the other 12 segments. In that mode layer A has to
- have a SEGMENT_COUNT of 1.
-
- In ISDB-Tsb only layer A is used, it can be 1 or 3 in ISDB-Tsb
- according to DTV_ISDBT_PARTIAL_RECEPTION. SEGMENT_COUNT must be filled
- accordingly.
-
- Possible values: 0x1, 0x2, 0x4 (|-able)
-
- DTV_ISDBT_LAYER_ENABLED[0:0] - layer A
- DTV_ISDBT_LAYER_ENABLED[1:1] - layer B
- DTV_ISDBT_LAYER_ENABLED[2:2] - layer C
- DTV_ISDBT_LAYER_ENABLED[31:3] unused
-
-
-
- <constant>DTV_ISDBT_LAYER*_FEC</constant>
-
- Possible values: FEC_AUTO, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8
-
-
-
- <constant>DTV_ISDBT_LAYER*_MODULATION</constant>
-
- Possible values: QAM_AUTO, QPSK, QAM_16, QAM_64, DQPSK
-
- Note: If layer C is DQPSK layer B has to be DQPSK. If layer B is DQPSK
- and DTV_ISDBT_PARTIAL_RECEPTION=0 layer has to be DQPSK.
-
-
-
- <constant>DTV_ISDBT_LAYER*_SEGMENT_COUNT</constant>
-
- Possible values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, -1 (AUTO)
-
- Note: Truth table for DTV_ISDBT_SOUND_BROADCASTING and
- DTV_ISDBT_PARTIAL_RECEPTION and LAYER*_SEGMENT_COUNT
-
-
-
-
-
-
- PR
- SB
- Layer A width
- Layer B width
- Layer C width
- total width
-
-
-
- 0
- 0
- 1 .. 13
- 1 .. 13
- 1 .. 13
- 13
-
-
-
- 1
- 0
- 1
- 1 .. 13
- 1 .. 13
- 13
-
-
-
- 0
- 1
- 1
- 0
- 0
- 1
-
-
-
- 1
- 1
- 1
- 2
- 0
- 13
-
-
-
-
-
-
-
-
-
- <constant>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</constant>
-
- Possible values: 0, 1, 2, 3, -1 (AUTO)
-
- Note: The real inter-leaver depth-names depend on the mode (fft-size); the values
- here are referring to what can be found in the TMCC-structure -
- independent of the mode.
-
-
+
+ <constant>DTV_ISDBS_TS_ID</constant>
+ Currently unused.
-
- DVB-T2 parameters
-
- This section covers parameters that apply only to the DVB-T2 delivery method. DVB-T2
- support is currently in the early stages development so expect this section to grow
- and become more detailed with time.
-
-
- <constant>DTV_DVBT2_PLP_ID</constant>
-
- DVB-T2 supports Physical Layer Pipes (PLP) to allow transmission of
- many data types via a single multiplex. The API will soon support this
- at which point this section will be expanded.
+
+ <constant>DTV_DVBT2_PLP_ID</constant>
+ DVB-T2 supports Physical Layer Pipes (PLP) to allow transmission of
+ many data types via a single multiplex. The API will soon support this
+ at which point this section will be expanded.
+
+
+ Properties used by each DTV type
+
+ ISDB-T frontend
+ This section describes shortly what are the possible parameters in the Linux
+ DVB-API called "S2API" and now DVB API 5 in order to tune an ISDB-T/ISDB-Tsb
+ demodulator:
+ This ISDB-T/ISDB-Tsb API extension should reflect all information
+ needed 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.
+ The details given here about ISDB-T and ISDB-Tsb are just enough to
+ basically show the dependencies between the needed parameter values,
+ but surely some information is left out. For more detailed information
+ see the following documents:
+ ARIB STD-B31 - "Transmission System for Digital Terrestrial
+ Television Broadcasting" and
+ ARIB TR-B14 - "Operational Guidelines for Digital Terrestrial
+ Television Broadcasting".
+ In order to read this document one has to have some knowledge the
+ channel structure in ISDB-T and ISDB-Tsb. I.e. it has to be known to
+ the reader that an ISDB-T channel consists of 13 segments, that it can
+ have up to 3 layer sharing those segments, and things like that.
+
+
+ DVB-T2 parameters
+ This section covers parameters that apply only to the DVB-T2 delivery method. DVB-T2
+ support is currently in the early stages development so expect this section to grow
+ and become more detailed with time.