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Subject: [media] DocBook/media: document the new RDS RX controls Author: Hans Verkuil <[email protected]> Date: Mon Jul 21 10:45:41 2014 -0300 Document the new RDS receiver controls. This will be used by the radio-miropcm20 driver. Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> Documentation/DocBook/media/v4l/controls.xml | 51 ++++++++++++++++++++++++++ 1 files changed, 51 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=1a586e1a5b0d27d8ec3cba67a767115ea1cb596b diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml index 3ec85f6..9f5ffd8 100644 --- a/Documentation/DocBook/media/v4l/controls.xml +++ b/Documentation/DocBook/media/v4l/controls.xml @@ -5089,6 +5089,57 @@ description of this control class.</entry> </row><row><entry spanname="descr">Enables/disables RDS reception by the radio tuner</entry> </row> + <row> + <entry spanname="id"><constant>V4L2_CID_RDS_RX_PTY</constant> </entry> + <entry>integer</entry> + </row> + <row><entry spanname="descr">Gets RDS Programme Type field. +This encodes up to 31 pre-defined programme types.</entry> + </row> + <row> + <entry spanname="id"><constant>V4L2_CID_RDS_RX_PS_NAME</constant> </entry> + <entry>string</entry> + </row> + <row><entry spanname="descr">Gets the Programme Service name (PS_NAME). +It is intended for static display on a receiver. It is the primary aid to listeners in programme service +identification and selection. In Annex E of <xref linkend="iec62106" />, the RDS specification, +there is a full description of the correct character encoding for Programme Service name strings. +Also from RDS specification, PS is usually a single eight character text. However, it is also possible +to find receivers which can scroll strings sized as 8 x N characters. So, this control must be configured +with steps of 8 characters. The result is it must always contain a string with size multiple of 8.</entry> + </row> + <row> + <entry spanname="id"><constant>V4L2_CID_RDS_RX_RADIO_TEXT</constant> </entry> + <entry>string</entry> + </row> + <row><entry spanname="descr">Gets the Radio Text info. It is a textual description of +what is being broadcasted. RDS Radio Text can be applied when broadcaster wishes to transmit longer PS names, +programme-related information or any other text. In these cases, RadioText can be used in addition to +<constant>V4L2_CID_RDS_RX_PS_NAME</constant>. The encoding for Radio Text strings is also fully described +in Annex E of <xref linkend="iec62106" />. The length of Radio Text strings depends on which RDS Block is being +used to transmit it, either 32 (2A block) or 64 (2B block). However, it is also possible +to find receivers which can scroll strings sized as 32 x N or 64 x N characters. So, this control must be configured +with steps of 32 or 64 characters. The result is it must always contain a string with size multiple of 32 or 64. </entry> + </row> + <row> + <entry spanname="id"><constant>V4L2_CID_RDS_RX_TRAFFIC_ANNOUNCEMENT</constant> </entry> + <entry>boolean</entry> + </row> + <row><entry spanname="descr">If set, then a traffic announcement is in progress.</entry> + </row> + <row> + <entry spanname="id"><constant>V4L2_CID_RDS_RX_TRAFFIC_PROGRAM</constant> </entry> + <entry>boolean</entry> + </row> + <row><entry spanname="descr">If set, then the tuned programme carries traffic announcements.</entry> + </row> + <row> + <entry spanname="id"><constant>V4L2_CID_RDS_RX_MUSIC_SPEECH</constant> </entry> + <entry>boolean</entry> + </row> + <row><entry spanname="descr">If set, then this channel broadcasts music. If cleared, then it +broadcasts speech. If the transmitter doesn't make this distinction, then it will be set.</entry> + </row> <row> <entry spanname="id"><constant>V4L2_CID_TUNE_DEEMPHASIS</constant> </entry> <entry>enum v4l2_deemphasis</entry> _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
