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Add chapter for COMMERCIAL DETECTION

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Some wording and spelling fixes
This commit is contained in:
Andreas Öman 2008-02-25 16:27:39 +00:00
parent dd37b29ab0
commit 1330a49bed
1 changed files with 20 additions and 9 deletions
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29
man/tvheadend.1
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@ -150,7 +150,7 @@ All adapters will be registered and probed according to the configuration
files given (see below).
Currently, only DVB-T and DVB-C adapters are supported.
The primary reason for this is that nobody has yet has been able to test
tvheadend with any DVB-S cards.
tvheadend with a DVB-S card.
.SS "Configuration"
Tvheadend needs at least one configuration statement that points out a
DVB mux file description. The format of these files are the same as
@ -177,7 +177,7 @@ Tvheadend's internal concept of a MUX maps directly to a MPEG
transport stream multiplex as defined in ITU-T Recommendation H.222.0.
Tvheadend is capable of receiving and demultiplex all services (channels)
arriving on the same multiplex simultaneously (should there be subscriptions
requesting them). Appart from the service demultiplex, the following tables
requesting them). Apart from the service demultiplex, the following tables
are parsed. All tables are checked for correct CRC before processed.
.TP
\fBPAT \fR\fIProgram Allocation Table\fR
@ -366,8 +366,7 @@ tab.
.TP
\fBRTP/AVP/UDP\fR and \fBRTP/AVP\fR \- RTP over UDP
This transport transmits an MPEG transport stream over RTP over UDP.
For details about the generated MPEG transport stream, please see the
\fBMPEG TS MULTIPLEXER\fR chapter. As the name suggest this transport
As the name suggest this transport
uses a stream of UDP packets for media delivery. This means that the
stream may have problems traversing NAT routers, firewalls, etc.
.SS "Access control"
@ -399,8 +398,6 @@ Example that allows access from the 192.168.1.0/24 network and localhost:
This output module can be used to generate an always running IPTV
multicasted stream. The generated output can be configured to be
either \fBMPEG-TS/RTP/UDP\fR or \fBMPEG-TS/UDP\fR.
For details about the generated MPEG transport stream, please see the
\fBMPEG TS MULTIPLEXER\fR chapter.
.SS "Configuration"
.PP
.nf
@ -469,8 +466,8 @@ TBD
.SS "Configuration"
TBD
.SH "XMLTV"
Tvheadend can parse the output from the xmltv grabbers. It executes
the grabbers directly and parse the information internally. It's
Tvheadend can parse the output from an xmltv grabber. It executes
the grabber directly and parse the information internally. It's
important that you configure your xmltv grabber to take use of its
cache (this should default be on) or it might cause excessive burden
on the server if you stop and start tvheadend often.
@ -482,7 +479,7 @@ forwarded externally via the output modules where applicable.
Due to the fact that there may be differences between how channels are
named in xmltv and DVB tvheadend utilizes a channel matching heuristic.
If more than 10 consequtive events (i.e programs) matches between the
EPG received from DVB and the xmltv EPG the channels are said to
EPG received from DVB and the xmltv EPG, the channels are said to
match.
.PP
It will also match a channel from xmltv to the rest of the system if
@ -496,11 +493,25 @@ the DVB EPG will always take precedence.
Two global configuration statements are used to configure xmltv:
.TP
\fB\txmltvgrabber = \fR\fI<path>\fR (optional)
Path to the xmltv grabber, e.g '/usr/bin/tv_grab_se_swedb'.
If not specified, xmltv will be disabled.
.TP
\fB\txmltvinterval = \fR\fI<seconds>\fR (optional)
Specifies the time, in seconds, between executions of the xmltv grabber.
This defaults to 43200 (12 hours).
.SH "COMMERCIAL DETECTION"
Tvheadend is prepared to handle different techniques for detecting and
removing commercial breaks from recorded shows.
Currently, however, only one method is supported.
.SS "Swedish TV4 teletext rundown"
TV4 in sweden transmit their program rundown on page 192. Tvheadend can
intercept this page and pause the recorder whenever there currently is
a program chunk that is less than 400 seconds.
.PP
To configure this, use the \fBManage channels\fR web page and enter
the number '192' in the 'teletext rundown' input field. If you are aware
of any other channel that transmits the program rundown over teletext,
than please contact me (Andreas).
.SH "AUTHOR"
.B Tvheadend
and this man page is maintained by Andreas Oeman