Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history 
yaml
---
r: 261271
b: refs/heads/master
c: 04a9207
h: refs/heads/master
i:
  261269: cda2941
  261267: e8bbab3
  261263: 76826b5
v: v3
  • Loading branch information
Mauro Carvalho Chehab committed Jul 27, 2011
1 parent 8d17d61 commit 575efbf
Show file tree
Hide file tree
Showing 2 changed files with 204 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
View file
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0be153efb18141162bcaa8ea3de6b94d2d92397e
refs/heads/master: 04a92077d205abdf3827545f8dea4c6521384c4c
204 changes: 203 additions & 1 deletion trunk/Documentation/DocBook/media/dvb/dvbproperty.xml
View file
Original file line number Diff line number Diff line change
Expand Up @@ -199,6 +199,208 @@ get/set up to 64 properties. The actual meaning of each property is described on

<section id="fe_property_common">
<title>Parameters that are common to all Digital TV standards</title>
<section id="DTV-UNDEFINED">
<title><constant>DTV_UNDEFINED</constant></title>
<para>Used internally. A GET/SET operation for it won't change or return anything.</para>
</section>
<section id="DTV-TUNE">
<title><constant>DTV_TUNE</constant></title>
<para>Interpret the cache of data, build either a traditional frontend tunerequest so we can pass validation in the <constant>FE_SET_FRONTEND</constant> ioctl.</para>
</section>
<section id="DTV-CLEAR">
<title><constant>DTV_CLEAR</constant></title>
<para>Reset a cache of data specific to the frontend here. This does not effect hardware.</para>
</section>
<section id="DTV-MODULATION">
<title><constant>DTV_MODULATION</constant></title>
<para>Specifies the frontend modulation type for cable and satellite types. The modulation can be one of the types bellow:</para>
<programlisting>
typedef enum fe_modulation {
QPSK,
QAM_16,
QAM_32,
QAM_64,
QAM_128,
QAM_256,
QAM_AUTO,
VSB_8,
VSB_16,
PSK_8,
APSK_16,
APSK_32,
DQPSK,
} fe_modulation_t;
</programlisting>
</section>
<section id="DTV-INVERSION">
<title><constant>DTV_INVERSION</constant></title>
<para>The Inversion field can take one of these values:
</para>
<programlisting>
typedef enum fe_spectral_inversion {
INVERSION_OFF,
INVERSION_ON,
INVERSION_AUTO
} fe_spectral_inversion_t;
</programlisting>
<para>It indicates if spectral inversion should be presumed or not. In the automatic setting
(<constant>INVERSION_AUTO</constant>) the hardware will try to figure out the correct setting by
itself.
</para>
</section>
<section id="DTV-DISEQC-MASTER">
<title><constant>DTV_DISEQC_MASTER</constant></title>
<para>Currently not implemented.</para>
</section>
<section id="DTV-SYMBOL-RATE">
<title><constant>DTV_SYMBOL_RATE</constant></title>
<para>Digital TV symbol rate, in bauds (symbols/second). Used on cable standards.</para>
</section>
<section id="DTV-INNER-FEC">
<title><constant>DTV_INNER_FEC</constant></title>
<para>Used cable/satellite transmissions. The acceptable values are:
</para>
<programlisting>
typedef enum fe_code_rate {
FEC_NONE = 0,
FEC_1_2,
FEC_2_3,
FEC_3_4,
FEC_4_5,
FEC_5_6,
FEC_6_7,
FEC_7_8,
FEC_8_9,
FEC_AUTO,
FEC_3_5,
FEC_9_10,
} fe_code_rate_t;
</programlisting>
<para>which correspond to error correction rates of 1/2, 2/3, etc.,
no error correction or auto detection.</para>
</section>
<section id="DTV-VOLTAGE">
<title><constant>DTV_VOLTAGE</constant></title>
<para>The voltage is usually used with non-DiSEqC capable LNBs to switch
the polarzation (horizontal/vertical). When using DiSEqC epuipment this
voltage has to be switched consistently to the DiSEqC commands as
described in the DiSEqC spec.</para>
<programlisting>
typedef enum fe_sec_voltage {
SEC_VOLTAGE_13,
SEC_VOLTAGE_18
} fe_sec_voltage_t;
</programlisting>
</section>
<section id="DTV-TONE">
<title><constant>DTV_TONE</constant></title>
<para>Currently not used.</para>
</section>
<section id="DTV-PILOT">
<title><constant>DTV_PILOT</constant></title>
<para>Sets DVB-S2 pilot</para>
<section id="fe-pilot-t">
<title>fe_pilot type</title>
<programlisting>
typedef enum fe_pilot {
PILOT_ON,
PILOT_OFF,
PILOT_AUTO,
} fe_pilot_t;
</programlisting>
</section>
</section>
<section id="DTV-ROLLOFF">
<title><constant>DTV_ROLLOFF</constant></title>
<para>Sets DVB-S2 rolloff</para>

<section id="fe-rolloff-t">
<title>fe_rolloff type</title>
<programlisting>
typedef enum fe_rolloff {
ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
ROLLOFF_20,
ROLLOFF_25,
ROLLOFF_AUTO,
} fe_rolloff_t;
</programlisting>
</section>
</section>
<section id="DTV-DISEQC-SLAVE-REPLY">
<title><constant>DTV_DISEQC_SLAVE_REPLY</constant></title>
<para>Currently not implemented.</para>
</section>
<section id="DTV-FE-CAPABILITY-COUNT">
<title><constant>DTV_FE_CAPABILITY_COUNT</constant></title>
<para>Currently not implemented.</para>
</section>
<section id="DTV-FE-CAPABILITY">
<title><constant>DTV_FE_CAPABILITY</constant></title>
<para>Currently not implemented.</para>
</section>
<section id="DTV-API-VERSION">
<title><constant>DTV_API_VERSION</constant></title>
<para>Returns the major/minor version of the DVB API</para>
</section>
<section id="DTV-CODE-RATE-HP">
<title><constant>DTV_CODE_RATE_HP</constant></title>
<para>Used on terrestrial transmissions. The acceptable values are:
</para>
<programlisting>
typedef enum fe_code_rate {
FEC_NONE = 0,
FEC_1_2,
FEC_2_3,
FEC_3_4,
FEC_4_5,
FEC_5_6,
FEC_6_7,
FEC_7_8,
FEC_8_9,
FEC_AUTO,
FEC_3_5,
FEC_9_10,
} fe_code_rate_t;
</programlisting>
</section>
<section id="DTV-CODE-RATE-LP">
<title><constant>DTV_CODE_RATE_LP</constant></title>
<para>Used on terrestrial transmissions. The acceptable values are:
</para>
<programlisting>
typedef enum fe_code_rate {
FEC_NONE = 0,
FEC_1_2,
FEC_2_3,
FEC_3_4,
FEC_4_5,
FEC_5_6,
FEC_6_7,
FEC_7_8,
FEC_8_9,
FEC_AUTO,
FEC_3_5,
FEC_9_10,
} fe_code_rate_t;
</programlisting>
</section>
<section id="DTV-HIERARCHY">
<title><constant>DTV_HIERARCHY</constant></title>
<para>Frontend hierarchy</para>
<programlisting>
typedef enum fe_hierarchy {
HIERARCHY_NONE,
HIERARCHY_1,
HIERARCHY_2,
HIERARCHY_4,
HIERARCHY_AUTO
} fe_hierarchy_t;
</programlisting>
</section>
<section id="DTV-ISDBS-TS-ID">
<title><constant>DTV_ISDBS_TS_ID</constant></title>
<para>Currently unused.</para>
</section>
<section id="DTV-FREQUENCY">
<title><constant>DTV_FREQUENCY</constant></title>

Expand Down Expand Up @@ -573,7 +775,7 @@ typedef enum fe_guard_interval {
</section>
<section id="dvbt2-params">
<title>DVB-T2 parameters</title>

<para>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.</para>
Expand Down

0 comments on commit 575efbf

Please sign in to comment.