| <section id="FE_GET_SET_PROPERTY"> |
| <title><constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant></title> |
| <para>This section describes the DVB version 5 extention of the DVB-API, also |
| called "S2API", as this API were added to provide support for DVB-S2. It was |
| designed to be able to replace the old frontend API. Yet, the DISEQC and |
| the capability ioctls weren't implemented yet via the new way.</para> |
| <para>The typical usage for the <constant>FE_GET_PROPERTY/FE_SET_PROPERTY</constant> |
| API is to replace the ioctl's were the <link linkend="dvb-frontend-parameters"> |
| struct <constant>dvb_frontend_parameters</constant></link> were used.</para> |
| <section id="dtv-property"> |
| <title>DTV property type</title> |
| <programlisting> |
| /* Reserved fields should be set to 0 */ |
| struct dtv_property { |
| __u32 cmd; |
| union { |
| __u32 data; |
| struct { |
| __u8 data[32]; |
| __u32 len; |
| __u32 reserved1[3]; |
| void *reserved2; |
| } buffer; |
| } u; |
| int result; |
| } __attribute__ ((packed)); |
| |
| /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ |
| #define DTV_IOCTL_MAX_MSGS 64 |
| </programlisting> |
| </section> |
| <section id="dtv-properties"> |
| <title>DTV properties type</title> |
| <programlisting> |
| struct dtv_properties { |
| __u32 num; |
| struct dtv_property *props; |
| }; |
| </programlisting> |
| </section> |
| |
| <section id="FE_GET_PROPERTY"> |
| <title>FE_GET_PROPERTY</title> |
| <para>DESCRIPTION |
| </para> |
| <informaltable><tgroup cols="1"><tbody><row><entry |
| align="char"> |
| <para>This ioctl call returns one or more frontend properties. This call only |
| requires read-only access to the device.</para> |
| </entry> |
| </row></tbody></tgroup></informaltable> |
| <para>SYNOPSIS |
| </para> |
| <informaltable><tgroup cols="1"><tbody><row><entry |
| align="char"> |
| <para>int ioctl(int fd, int request = <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link>, |
| dtv_properties ⋆props);</para> |
| </entry> |
| </row></tbody></tgroup></informaltable> |
| <para>PARAMETERS |
| </para> |
| <informaltable><tgroup cols="2"><tbody><row><entry align="char"> |
| <para>int fd</para> |
| </entry><entry |
| align="char"> |
| <para>File descriptor returned by a previous call to open().</para> |
| </entry> |
| </row><row><entry |
| align="char"> |
| <para>int num</para> |
| </entry><entry |
| align="char"> |
| <para>Equals <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link> for this command.</para> |
| </entry> |
| </row><row><entry |
| align="char"> |
| <para>struct dtv_property *props</para> |
| </entry><entry |
| align="char"> |
| <para>Points to the location where the front-end property commands are stored.</para> |
| </entry> |
| </row></tbody></tgroup></informaltable> |
| &return-value-dvb; |
| <informaltable><tgroup cols="2"><tbody><row> |
| <entry align="char"><para>EOPNOTSUPP</para></entry> |
| <entry align="char"><para>Property type not supported.</para></entry> |
| </row></tbody></tgroup></informaltable> |
| </section> |
| |
| <section id="FE_SET_PROPERTY"> |
| <title>FE_SET_PROPERTY</title> |
| <para>DESCRIPTION |
| </para> |
| <informaltable><tgroup cols="1"><tbody><row><entry |
| align="char"> |
| <para>This ioctl call sets one or more frontend properties. This call only |
| requires read-only access to the device.</para> |
| </entry> |
| </row></tbody></tgroup></informaltable> |
| <para>SYNOPSIS |
| </para> |
| <informaltable><tgroup cols="1"><tbody><row><entry |
| align="char"> |
| <para>int ioctl(int fd, int request = <link linkend="FE_SET_PROPERTY">FE_SET_PROPERTY</link>, |
| dtv_properties ⋆props);</para> |
| </entry> |
| </row></tbody></tgroup></informaltable> |
| <para>PARAMETERS |
| </para> |
| <informaltable><tgroup cols="2"><tbody><row><entry align="char"> |
| <para>int fd</para> |
| </entry><entry |
| align="char"> |
| <para>File descriptor returned by a previous call to open().</para> |
| </entry> |
| </row><row><entry |
| align="char"> |
| <para>int num</para> |
| </entry><entry |
| align="char"> |
| <para>Equals <link linkend="FE_SET_PROPERTY">FE_SET_PROPERTY</link> for this command.</para> |
| </entry> |
| </row><row><entry |
| align="char"> |
| <para>struct dtv_property *props</para> |
| </entry><entry |
| align="char"> |
| <para>Points to the location where the front-end property commands are stored.</para> |
| </entry> |
| </row></tbody></tgroup></informaltable> |
| &return-value-dvb; |
| <informaltable><tgroup cols="2"><tbody><row> |
| <entry align="char"><para>EOPNOTSUPP</para></entry> |
| <entry align="char"><para>Property type not supported.</para></entry> |
| </row></tbody></tgroup></informaltable> |
| </section> |
| |
| <section> |
| <title>Property types</title> |
| <para> |
| On <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link>/<link linkend="FE_SET_PROPERTY">FE_SET_PROPERTY</link>, |
| the actual action is determined by the dtv_property cmd/data pairs. With one single ioctl, is possible to |
| get/set up to 64 properties. The actual meaning of each property is described on the next sections. |
| </para> |
| |
| <para>The available frontend property types are shown on the next section.</para> |
| </section> |
| |
| <section id="fe_property_parameters"> |
| <title>Digital TV property parameters</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-FREQUENCY"> |
| <title><constant>DTV_FREQUENCY</constant></title> |
| |
| <para>Central frequency of the channel.</para> |
| |
| <para>Notes:</para> |
| <para>1)For satellital delivery systems, it is measured in kHz. |
| For the other ones, it is measured in Hz.</para> |
| <para>2)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.</para> |
| |
| <para>3)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.</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, |
| QAM_4_NR, |
| } fe_modulation_t; |
| </programlisting> |
| </section> |
| <section id="DTV-BANDWIDTH-HZ"> |
| <title><constant>DTV_BANDWIDTH_HZ</constant></title> |
| |
| <para>Bandwidth for the channel, in HZ.</para> |
| |
| <para>Possible values: |
| <constant>1712000</constant>, |
| <constant>5000000</constant>, |
| <constant>6000000</constant>, |
| <constant>7000000</constant>, |
| <constant>8000000</constant>, |
| <constant>10000000</constant>. |
| </para> |
| |
| <para>Notes:</para> |
| |
| <para>1) For ISDB-T it should be always 6000000Hz (6MHz)</para> |
| <para>2) For ISDB-Tsb it can vary depending on the number of connected segments</para> |
| <para>3) Bandwidth doesn't apply for DVB-C transmissions, as the bandwidth |
| for DVB-C depends on the symbol rate</para> |
| <para>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).</para> |
| <para>5) DVB-T supports 6, 7 and 8MHz.</para> |
| <para>6) In addition, DVB-T2 supports 1.172, 5 and 10MHz.</para> |
| </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, |
| FEC_2_5, |
| } 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-DELIVERY-SYSTEM"> |
| <title><constant>DTV_DELIVERY_SYSTEM</constant></title> |
| <para>Specifies the type of Delivery system</para> |
| <section id="fe-delivery-system-t"> |
| <title>fe_delivery_system type</title> |
| <para>Possible values: </para> |
| <programlisting> |
| |
| typedef enum fe_delivery_system { |
| SYS_UNDEFINED, |
| SYS_DVBC_ANNEX_A, |
| 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_DTMB, |
| SYS_CMMB, |
| SYS_DAB, |
| SYS_DVBT2, |
| SYS_TURBO, |
| SYS_DVBC_ANNEX_C, |
| } fe_delivery_system_t; |
| </programlisting> |
| </section> |
| </section> |
| <section id="DTV-ISDBT-PARTIAL-RECEPTION"> |
| <title><constant>DTV_ISDBT_PARTIAL_RECEPTION</constant></title> |
| |
| <para>If <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '0' this bit-field represents whether |
| the channel is in partial reception mode or not.</para> |
| |
| <para>If '1' <constant>DTV_ISDBT_LAYERA_*</constant> values are assigned to the center segment and |
| <constant>DTV_ISDBT_LAYERA_SEGMENT_COUNT</constant> has to be '1'.</para> |
| |
| <para>If in addition <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1' |
| <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> represents whether this ISDB-Tsb channel |
| is consisting of one segment and layer or three segments and two layers.</para> |
| |
| <para>Possible values: 0, 1, -1 (AUTO)</para> |
| </section> |
| <section id="DTV-ISDBT-SOUND-BROADCASTING"> |
| <title><constant>DTV_ISDBT_SOUND_BROADCASTING</constant></title> |
| |
| <para>This field represents whether the other DTV_ISDBT_*-parameters are |
| referring to an ISDB-T and an ISDB-Tsb channel. (See also |
| <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>).</para> |
| |
| <para>Possible values: 0, 1, -1 (AUTO)</para> |
| </section> |
| <section id="DTV-ISDBT-SB-SUBCHANNEL-ID"> |
| <title><constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant></title> |
| |
| <para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para> |
| |
| <para>(Note of the author: This might not be the correct description of the |
| <constant>SUBCHANNEL-ID</constant> in all details, but it is my understanding of the technical |
| background needed to program a device)</para> |
| |
| <para>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.</para> |
| |
| <para>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.</para> |
| |
| <para>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.</para> |
| |
| <para>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.</para> |
| |
| <para><constant>The DTV_ISDBT_SB_SUBCHANNEL_ID</constant> parameter is used to give the |
| sub-channel ID of the segment to be demodulated.</para> |
| |
| <para>Possible values: 0 .. 41, -1 (AUTO)</para> |
| </section> |
| <section id="DTV-ISDBT-SB-SEGMENT-IDX"> |
| <title><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant></title> |
| <para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para> |
| <para><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant> gives the index of the segment to be |
| demodulated for an ISDB-Tsb channel where several of them are |
| transmitted in the connected manner.</para> |
| <para>Possible values: 0 .. <constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant> - 1</para> |
| <para>Note: This value cannot be determined by an automatic channel search.</para> |
| </section> |
| <section id="DTV-ISDBT-SB-SEGMENT-COUNT"> |
| <title><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant></title> |
| <para>This field only applies if <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> is '1'.</para> |
| <para><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant> gives the total count of connected ISDB-Tsb |
| channels.</para> |
| <para>Possible values: 1 .. 13</para> |
| <para>Note: This value cannot be determined by an automatic channel search.</para> |
| </section> |
| <section id="isdb-hierq-layers"> |
| <title><constant>DTV-ISDBT-LAYER*</constant> parameters</title> |
| <para>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.</para> |
| <para>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.</para> |
| <para>There are 3 parameter sets, for Layers A, B and C.</para> |
| <section id="DTV-ISDBT-LAYER-ENABLED"> |
| <title><constant>DTV_ISDBT_LAYER_ENABLED</constant></title> |
| <para>Hierarchical reception in ISDB-T is achieved by enabling or disabling |
| layers in the decoding process. Setting all bits of |
| <constant>DTV_ISDBT_LAYER_ENABLED</constant> to '1' forces all layers (if applicable) to be |
| demodulated. This is the default.</para> |
| <para>If the channel is in the partial reception mode |
| (<constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> = 1) the central segment can be decoded |
| independently of the other 12 segments. In that mode layer A has to |
| have a <constant>SEGMENT_COUNT</constant> of 1.</para> |
| <para>In ISDB-Tsb only layer A is used, it can be 1 or 3 in ISDB-Tsb |
| according to <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>. <constant>SEGMENT_COUNT</constant> must be filled |
| accordingly.</para> |
| <para>Possible values: 0x1, 0x2, 0x4 (|-able)</para> |
| <para><constant>DTV_ISDBT_LAYER_ENABLED[0:0]</constant> - layer A</para> |
| <para><constant>DTV_ISDBT_LAYER_ENABLED[1:1]</constant> - layer B</para> |
| <para><constant>DTV_ISDBT_LAYER_ENABLED[2:2]</constant> - layer C</para> |
| <para><constant>DTV_ISDBT_LAYER_ENABLED[31:3]</constant> unused</para> |
| </section> |
| <section id="DTV-ISDBT-LAYER-FEC"> |
| <title><constant>DTV_ISDBT_LAYER*_FEC</constant></title> |
| <para>Possible values: <constant>FEC_AUTO</constant>, <constant>FEC_1_2</constant>, <constant>FEC_2_3</constant>, <constant>FEC_3_4</constant>, <constant>FEC_5_6</constant>, <constant>FEC_7_8</constant></para> |
| </section> |
| <section id="DTV-ISDBT-LAYER-MODULATION"> |
| <title><constant>DTV_ISDBT_LAYER*_MODULATION</constant></title> |
| <para>Possible values: <constant>QAM_AUTO</constant>, QP<constant>SK, QAM_16</constant>, <constant>QAM_64</constant>, <constant>DQPSK</constant></para> |
| <para>Note: If layer C is <constant>DQPSK</constant> layer B has to be <constant>DQPSK</constant>. If layer B is <constant>DQPSK</constant> |
| and <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant>=0 layer has to be <constant>DQPSK</constant>.</para> |
| </section> |
| <section id="DTV-ISDBT-LAYER-SEGMENT-COUNT"> |
| <title><constant>DTV_ISDBT_LAYER*_SEGMENT_COUNT</constant></title> |
| <para>Possible values: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, -1 (AUTO)</para> |
| <para>Note: Truth table for <constant>DTV_ISDBT_SOUND_BROADCASTING</constant> and |
| <constant>DTV_ISDBT_PARTIAL_RECEPTION</constant> and <constant>LAYER</constant>*_SEGMENT_COUNT</para> |
| <informaltable id="isdbt-layer_seg-cnt-table"> |
| <tgroup cols="6"> |
| <tbody> |
| <row> |
| <entry>PR</entry> |
| <entry>SB</entry> |
| <entry>Layer A width</entry> |
| <entry>Layer B width</entry> |
| <entry>Layer C width</entry> |
| <entry>total width</entry> |
| </row> |
| <row> |
| <entry>0</entry> |
| <entry>0</entry> |
| <entry>1 .. 13</entry> |
| <entry>1 .. 13</entry> |
| <entry>1 .. 13</entry> |
| <entry>13</entry> |
| </row> |
| <row> |
| <entry>1</entry> |
| <entry>0</entry> |
| <entry>1</entry> |
| <entry>1 .. 13</entry> |
| <entry>1 .. 13</entry> |
| <entry>13</entry> |
| </row> |
| <row> |
| <entry>0</entry> |
| <entry>1</entry> |
| <entry>1</entry> |
| <entry>0</entry> |
| <entry>0</entry> |
| <entry>1</entry> |
| </row> |
| <row> |
| <entry>1</entry> |
| <entry>1</entry> |
| <entry>1</entry> |
| <entry>2</entry> |
| <entry>0</entry> |
| <entry>13</entry> |
| </row> |
| </tbody> |
| </tgroup> |
| </informaltable> |
| </section> |
| <section id="DTV-ISDBT-LAYER-TIME-INTERLEAVING"> |
| <title><constant>DTV_ISDBT_LAYER*_TIME_INTERLEAVING</constant></title> |
| <para>Possible values: 0, 1, 2, 3, -1 (AUTO)</para> |
| <para>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.</para> |
| </section> |
| <section id="DTV-ATSCMH-FIC-VER"> |
| <title><constant>DTV_ATSCMH_FIC_VER</constant></title> |
| <para>Version number of the FIC (Fast Information Channel) signaling data.</para> |
| <para>FIC is used for relaying information to allow rapid service acquisition by the receiver.</para> |
| <para>Possible values: 0, 1, 2, 3, ..., 30, 31</para> |
| </section> |
| <section id="DTV-ATSCMH-PARADE-ID"> |
| <title><constant>DTV_ATSCMH_PARADE_ID</constant></title> |
| <para>Parade identification number</para> |
| <para>A parade is a collection of up to eight MH groups, conveying one or two ensembles.</para> |
| <para>Possible values: 0, 1, 2, 3, ..., 126, 127</para> |
| </section> |
| <section id="DTV-ATSCMH-NOG"> |
| <title><constant>DTV_ATSCMH_NOG</constant></title> |
| <para>Number of MH groups per MH subframe for a designated parade.</para> |
| <para>Possible values: 1, 2, 3, 4, 5, 6, 7, 8</para> |
| </section> |
| <section id="DTV-ATSCMH-TNOG"> |
| <title><constant>DTV_ATSCMH_TNOG</constant></title> |
| <para>Total number of MH groups including all MH groups belonging to all MH parades in one MH subframe.</para> |
| <para>Possible values: 0, 1, 2, 3, ..., 30, 31</para> |
| </section> |
| <section id="DTV-ATSCMH-SGN"> |
| <title><constant>DTV_ATSCMH_SGN</constant></title> |
| <para>Start group number.</para> |
| <para>Possible values: 0, 1, 2, 3, ..., 14, 15</para> |
| </section> |
| <section id="DTV-ATSCMH-PRC"> |
| <title><constant>DTV_ATSCMH_PRC</constant></title> |
| <para>Parade repetition cycle.</para> |
| <para>Possible values: 1, 2, 3, 4, 5, 6, 7, 8</para> |
| </section> |
| <section id="DTV-ATSCMH-RS-FRAME-MODE"> |
| <title><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></title> |
| <para>RS frame mode.</para> |
| <para>Possible values are:</para> |
| <section id="atscmh-rs-frame-mode"> |
| <programlisting> |
| typedef enum atscmh_rs_frame_mode { |
| ATSCMH_RSFRAME_PRI_ONLY = 0, |
| ATSCMH_RSFRAME_PRI_SEC = 1, |
| } atscmh_rs_frame_mode_t; |
| </programlisting> |
| </section> |
| </section> |
| <section id="DTV-ATSCMH-RS-FRAME-ENSEMBLE"> |
| <title><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></title> |
| <para>RS frame ensemble.</para> |
| <para>Possible values are:</para> |
| <section id="atscmh-rs-frame-ensemble"> |
| <programlisting> |
| typedef enum atscmh_rs_frame_ensemble { |
| ATSCMH_RSFRAME_ENS_PRI = 0, |
| ATSCMH_RSFRAME_ENS_SEC = 1, |
| } atscmh_rs_frame_ensemble_t; |
| </programlisting> |
| </section> |
| </section> |
| <section id="DTV-ATSCMH-RS-CODE-MODE-PRI"> |
| <title><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></title> |
| <para>RS code mode (primary).</para> |
| <para>Possible values are:</para> |
| <section id="atscmh-rs-code-mode"> |
| <programlisting> |
| typedef enum atscmh_rs_code_mode { |
| ATSCMH_RSCODE_211_187 = 0, |
| ATSCMH_RSCODE_223_187 = 1, |
| ATSCMH_RSCODE_235_187 = 2, |
| } atscmh_rs_code_mode_t; |
| </programlisting> |
| </section> |
| </section> |
| <section id="DTV-ATSCMH-RS-CODE-MODE-SEC"> |
| <title><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></title> |
| <para>RS code mode (secondary).</para> |
| <para>Possible values are:</para> |
| <programlisting> |
| typedef enum atscmh_rs_code_mode { |
| ATSCMH_RSCODE_211_187 = 0, |
| ATSCMH_RSCODE_223_187 = 1, |
| ATSCMH_RSCODE_235_187 = 2, |
| } atscmh_rs_code_mode_t; |
| </programlisting> |
| </section> |
| <section id="DTV-ATSCMH-SCCC-BLOCK-MODE"> |
| <title><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></title> |
| <para>Series Concatenated Convolutional Code Block Mode.</para> |
| <para>Possible values are:</para> |
| <section id="atscmh-sccc-block-mode"> |
| <programlisting> |
| typedef enum atscmh_sccc_block_mode { |
| ATSCMH_SCCC_BLK_SEP = 0, |
| ATSCMH_SCCC_BLK_COMB = 1, |
| } atscmh_sccc_block_mode_t; |
| </programlisting> |
| </section> |
| </section> |
| <section id="DTV-ATSCMH-SCCC-CODE-MODE-A"> |
| <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></title> |
| <para>Series Concatenated Convolutional Code Rate.</para> |
| <para>Possible values are:</para> |
| <section id="atscmh-sccc-code-mode"> |
| <programlisting> |
| typedef enum atscmh_sccc_code_mode { |
| ATSCMH_SCCC_CODE_HLF = 0, |
| ATSCMH_SCCC_CODE_QTR = 1, |
| } atscmh_sccc_code_mode_t; |
| </programlisting> |
| </section> |
| </section> |
| <section id="DTV-ATSCMH-SCCC-CODE-MODE-B"> |
| <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></title> |
| <para>Series Concatenated Convolutional Code Rate.</para> |
| <para>Possible values are:</para> |
| <programlisting> |
| typedef enum atscmh_sccc_code_mode { |
| ATSCMH_SCCC_CODE_HLF = 0, |
| ATSCMH_SCCC_CODE_QTR = 1, |
| } atscmh_sccc_code_mode_t; |
| </programlisting> |
| </section> |
| <section id="DTV-ATSCMH-SCCC-CODE-MODE-C"> |
| <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></title> |
| <para>Series Concatenated Convolutional Code Rate.</para> |
| <para>Possible values are:</para> |
| <programlisting> |
| typedef enum atscmh_sccc_code_mode { |
| ATSCMH_SCCC_CODE_HLF = 0, |
| ATSCMH_SCCC_CODE_QTR = 1, |
| } atscmh_sccc_code_mode_t; |
| </programlisting> |
| </section> |
| <section id="DTV-ATSCMH-SCCC-CODE-MODE-D"> |
| <title><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></title> |
| <para>Series Concatenated Convolutional Code Rate.</para> |
| <para>Possible values are:</para> |
| <programlisting> |
| typedef enum atscmh_sccc_code_mode { |
| ATSCMH_SCCC_CODE_HLF = 0, |
| ATSCMH_SCCC_CODE_QTR = 1, |
| } atscmh_sccc_code_mode_t; |
| </programlisting> |
| </section> |
| </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-GUARD-INTERVAL"> |
| <title><constant>DTV_GUARD_INTERVAL</constant></title> |
| |
| <para>Possible values are:</para> |
| <programlisting> |
| 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, |
| GUARD_INTERVAL_PN420, |
| GUARD_INTERVAL_PN595, |
| GUARD_INTERVAL_PN945, |
| } fe_guard_interval_t; |
| </programlisting> |
| |
| <para>Notes:</para> |
| <para>1) If <constant>DTV_GUARD_INTERVAL</constant> is set the <constant>GUARD_INTERVAL_AUTO</constant> the hardware will |
| try to find the correct guard interval (if capable) and will use TMCC to fill |
| in the missing parameters.</para> |
| <para>2) Intervals 1/128, 19/128 and 19/256 are used only for DVB-T2 at present</para> |
| <para>3) DTMB specifies PN420, PN595 and PN945.</para> |
| </section> |
| <section id="DTV-TRANSMISSION-MODE"> |
| <title><constant>DTV_TRANSMISSION_MODE</constant></title> |
| |
| <para>Specifies the number of carriers used by the standard</para> |
| |
| <para>Possible values are:</para> |
| <programlisting> |
| typedef enum fe_transmit_mode { |
| TRANSMISSION_MODE_2K, |
| TRANSMISSION_MODE_8K, |
| TRANSMISSION_MODE_AUTO, |
| TRANSMISSION_MODE_4K, |
| TRANSMISSION_MODE_1K, |
| TRANSMISSION_MODE_16K, |
| TRANSMISSION_MODE_32K, |
| TRANSMISSION_MODE_C1, |
| TRANSMISSION_MODE_C3780, |
| } fe_transmit_mode_t; |
| </programlisting> |
| <para>Notes:</para> |
| <para>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</para> |
| |
| <para>2) If <constant>DTV_TRANSMISSION_MODE</constant> is set the <constant>TRANSMISSION_MODE_AUTO</constant> the |
| hardware will try to find the correct FFT-size (if capable) and will |
| use TMCC to fill in the missing parameters.</para> |
| <para>3) DVB-T specifies 2K and 8K as valid sizes.</para> |
| <para>4) DVB-T2 specifies 1K, 2K, 4K, 8K, 16K and 32K.</para> |
| <para>5) DTMB specifies C1 and C3780.</para> |
| </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-DVBT2-PLP-ID"> |
| <title><constant>DTV_DVBT2_PLP_ID</constant></title> |
| <para>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.</para> |
| </section> |
| <section id="DTV-ENUM-DELSYS"> |
| <title><constant>DTV_ENUM_DELSYS</constant></title> |
| <para>A Multi standard frontend needs to advertise the delivery systems provided. |
| Applications need to enumerate the provided delivery systems, before using |
| any other operation with the frontend. Prior to it's introduction, |
| FE_GET_INFO was used to determine a frontend type. A frontend which |
| provides more than a single delivery system, FE_GET_INFO doesn't help much. |
| Applications which intends to use a multistandard frontend must enumerate |
| the delivery systems associated with it, rather than trying to use |
| FE_GET_INFO. In the case of a legacy frontend, the result is just the same |
| as with FE_GET_INFO, but in a more structured format </para> |
| </section> |
| <section id="DTV-INTERLEAVING"> |
| <title><constant>DTV_INTERLEAVING</constant></title> |
| <para>Interleaving mode</para> |
| <programlisting> |
| enum fe_interleaving { |
| INTERLEAVING_NONE, |
| INTERLEAVING_240, |
| INTERLEAVING_720, |
| }; |
| </programlisting> |
| </section> |
| </section> |
| <section id="frontend-property-terrestrial-systems"> |
| <title>Properties used on terrestrial delivery systems</title> |
| <section id="dvbt-params"> |
| <title>DVB-T delivery system</title> |
| <para>The following parameters are valid for DVB-T:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CODE-RATE-HP"><constant>DTV_CODE_RATE_HP</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CODE-RATE-LP"><constant>DTV_CODE_RATE_LP</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="dvbt2-params"> |
| <title>DVB-T2 delivery system</title> |
| <para>DVB-T2 support is currently in the early stages |
| of development, so expect that this section maygrow and become |
| more detailed with time.</para> |
| <para>The following parameters are valid for DVB-T2:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CODE-RATE-HP"><constant>DTV_CODE_RATE_HP</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CODE-RATE-LP"><constant>DTV_CODE_RATE_LP</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-HIERARCHY"><constant>DTV_HIERARCHY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DVBT2-PLP-ID"><constant>DTV_DVBT2_PLP_ID</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="isdbt"> |
| <title>ISDB-T delivery system</title> |
| <para>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.</para> |
| <para>The information given here should help application writers to know how |
| to handle ISDB-T and ISDB-Tsb hardware using the Linux DVB-API.</para> |
| <para>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:</para> |
| <para>ARIB STD-B31 - "Transmission System for Digital Terrestrial |
| Television Broadcasting" and</para> |
| <para>ARIB TR-B14 - "Operational Guidelines for Digital Terrestrial |
| Television Broadcasting".</para> |
| <para>In order to understand the ISDB specific parameters, |
| 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.</para> |
| <para>The following parameters are valid for ISDB-T:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-ENABLED"><constant>DTV_ISDBT_LAYER_ENABLED</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-PARTIAL-RECEPTION"><constant>DTV_ISDBT_PARTIAL_RECEPTION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-SOUND-BROADCASTING"><constant>DTV_ISDBT_SOUND_BROADCASTING</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-SB-SUBCHANNEL-ID"><constant>DTV_ISDBT_SB_SUBCHANNEL_ID</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-SB-SEGMENT-IDX"><constant>DTV_ISDBT_SB_SEGMENT_IDX</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-SB-SEGMENT-COUNT"><constant>DTV_ISDBT_SB_SEGMENT_COUNT</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERA_FEC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERA_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERA_SEGMENT_COUNT</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERA_TIME_INTERLEAVING</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERB_FEC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERB_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERB_SEGMENT_COUNT</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERB_TIME_INTERLEAVING</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-FEC"><constant>DTV_ISDBT_LAYERC_FEC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-MODULATION"><constant>DTV_ISDBT_LAYERC_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT"><constant>DTV_ISDBT_LAYERC_SEGMENT_COUNT</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING"><constant>DTV_ISDBT_LAYERC_TIME_INTERLEAVING</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="atsc-params"> |
| <title>ATSC delivery system</title> |
| <para>The following parameters are valid for ATSC:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="atscmh-params"> |
| <title>ATSC-MH delivery system</title> |
| <para>The following parameters are valid for ATSC-MH:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-FIC-VER"><constant>DTV_ATSCMH_FIC_VER</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-PARADE-ID"><constant>DTV_ATSCMH_PARADE_ID</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-NOG"><constant>DTV_ATSCMH_NOG</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-TNOG"><constant>DTV_ATSCMH_TNOG</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-SGN"><constant>DTV_ATSCMH_SGN</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-PRC"><constant>DTV_ATSCMH_PRC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-MODE"><constant>DTV_ATSCMH_RS_FRAME_MODE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-RS-FRAME-ENSEMBLE"><constant>DTV_ATSCMH_RS_FRAME_ENSEMBLE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-PRI"><constant>DTV_ATSCMH_RS_CODE_MODE_PRI</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-RS-CODE-MODE-SEC"><constant>DTV_ATSCMH_RS_CODE_MODE_SEC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-SCCC-BLOCK-MODE"><constant>DTV_ATSCMH_SCCC_BLOCK_MODE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-A"><constant>DTV_ATSCMH_SCCC_CODE_MODE_A</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-B"><constant>DTV_ATSCMH_SCCC_CODE_MODE_B</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-C"><constant>DTV_ATSCMH_SCCC_CODE_MODE_C</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ATSCMH-SCCC-CODE-MODE-D"><constant>DTV_ATSCMH_SCCC_CODE_MODE_D</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="dtmb-params"> |
| <title>DTMB delivery system</title> |
| <para>The following parameters are valid for DTMB:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-BANDWIDTH-HZ"><constant>DTV_BANDWIDTH_HZ</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-GUARD-INTERVAL"><constant>DTV_GUARD_INTERVAL</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TRANSMISSION-MODE"><constant>DTV_TRANSMISSION_MODE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INTERLEAVING"><constant>DTV_INTERLEAVING</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| </section> |
| <section id="frontend-property-cable-systems"> |
| <title>Properties used on cable delivery systems</title> |
| <section id="dvbc-params"> |
| <title>DVB-C delivery system</title> |
| <para>The DVB-C Annex-A is the widely used cable standard. Transmission uses QAM modulation.</para> |
| <para>The DVB-C Annex-C is optimized for 6MHz, and is used in Japan. It supports a subset of the Annex A modulation types, and a roll-off of 0.13, instead of 0.15</para> |
| <para>The following parameters are valid for DVB-C Annex A/C:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="dvbc-annex-b-params"> |
| <title>DVB-C Annex B delivery system</title> |
| <para>The DVB-C Annex-B is only used on a few Countries like the United States.</para> |
| <para>The following parameters are valid for DVB-C Annex B:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| </section> |
| <section id="frontend-property-satellital-systems"> |
| <title>Properties used on satellital delivery systems</title> |
| <section id="dvbs-params"> |
| <title>DVB-S delivery system</title> |
| <para>The following parameters are valid for DVB-S:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TONE"><constant>DTV_TONE</constant></link></para></listitem> |
| </itemizedlist> |
| <para>Future implementations might add those two missing parameters:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-DISEQC-MASTER"><constant>DTV_DISEQC_MASTER</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DISEQC-SLAVE-REPLY"><constant>DTV_DISEQC_SLAVE_REPLY</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="dvbs2-params"> |
| <title>DVB-S2 delivery system</title> |
| <para>In addition to all parameters valid for DVB-S, DVB-S2 supports the following parameters:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-PILOT"><constant>DTV_PILOT</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ROLLOFF"><constant>DTV_ROLLOFF</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="turbo-params"> |
| <title>Turbo code delivery system</title> |
| <para>In addition to all parameters valid for DVB-S, turbo code supports the following parameters:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-MODULATION"><constant>DTV_MODULATION</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| <section id="isdbs-params"> |
| <title>ISDB-S delivery system</title> |
| <para>The following parameters are valid for ISDB-S:</para> |
| <itemizedlist mark='opencircle'> |
| <listitem><para><link linkend="DTV-API-VERSION"><constant>DTV_API_VERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-DELIVERY-SYSTEM"><constant>DTV_DELIVERY_SYSTEM</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-TUNE"><constant>DTV_TUNE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-CLEAR"><constant>DTV_CLEAR</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-FREQUENCY"><constant>DTV_FREQUENCY</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INVERSION"><constant>DTV_INVERSION</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-SYMBOL-RATE"><constant>DTV_SYMBOL_RATE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-INNER-FEC"><constant>DTV_INNER_FEC</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-VOLTAGE"><constant>DTV_VOLTAGE</constant></link></para></listitem> |
| <listitem><para><link linkend="DTV-ISDBS-TS-ID"><constant>DTV_ISDBS_TS_ID</constant></link></para></listitem> |
| </itemizedlist> |
| </section> |
| </section> |
| </section> |