Syntax of channels.conf
Parameters of VDR channel config file
In the example below there are three different channel definitions:
- digital satellite TV channel
- digital terrestrian TV channel
- digital cable TV channel
- analog TV channel
The VDR reads at startup all channel definitions from the config file $CONFIGDIR/vdr/channels.conf and writes any changing back to the file.
Changings on channels.conf are useless if VDR is running, VDR has to be stopped if you want to edit this file!
Name of that channel. If the name includes a ":" it will be automatically replaced by "|". If you use VDR version 1.2.x please do NOT include commas or semicolons. Starting with VDR version 1.3.12 this field also includes the service providers name(aka "bouquet"), separated by a semikolon.
Transponder Frequency as Integer
- Frequency in MHz.
- Frequency in MHz, kHz or Hz.
- Frequency in MHz, kHz or Hz.
- analogue TV
- Frequency in MHz. (analogTV plugin)
The values here will be multiplied by 1000 until it's bigger than 1000000.
The Parameters in this field depends on the type of DVB you use: DVB-S, DVB-C ,DVB-T or analogue TV. Each Parameter starts with an letter, followed by an Integer which represends the value of that parameter.
Valid identifiers and their ranges:
Identifier (Values) Meaning
I (0, 1) Inversion (for DVB-T always 0, please do NOT use 999)
C (0, 12, 23, 34, 45, 56, 67, 78, 89) Data rate high priority
for analogue TV is C the capture device: C0 = /dev/video0 C12 = /dev/video1 C23 = /dev/video2 C34 = /dev/video3 C45 = /dev/video4
D (0, 12, 23, 34, 45, 56, 67, 78, 89) Data rate low priority
for analogue TV is D the video source used: D0 = Television (bttv) D12 = Composite Video1 (bttv) D23 = Composite Video2 (bttv) D34 = S-Video (bttv) D0 = S-Video ext. (Hauppauge PVR150/PVR250/350-cards only) D45 = Composite Video (Hauppauge PVR150-cards only) D45 = Tuner 0 (Hauppauge PVR250/350-cards only) D56 = Composite ext. (Hauppauge PVR250/350-cards only) D67 = TV Tuner (Hauppauge PVR150-Karten only)
M (0, 16, 32, 64, 128, 256) Modulation
B (6, 7, 8) Bandwidth in MHz
for analogue TV is B the Video norm: B6 = PAL B7 = NTSC B8 = SECAM </pre>
T (2, 8) Transmission mode
G (4, 8, 16, 32) Guard intervall
Y (0, 1, 2, 4) Hierarchy
H Horizontal Polarization
V Vertical Polarization
R Circular Polarization right
L Circular Polarization left
The Polarisation Parameter is NOT followed by an value for compatibility reasons.
The value 999 is used for automatic. If possible the driver will find the best settings, this is default.
Example for DVB-T:
Inversion off, Data Rate High=23, Data Rate Low=0, QAM16, Bandwidth 8MHz, Transmission Mode 8, Guard 1/8, Hierarchy 0
Signal source of the channel, as defined in sources.conf.
Sxxxx, C, T
For compatbility reasons numeric values are accepted here, but preferred are literals.
Symbol Rate of the channel. Valid only for DVB-S and DVB-C, as DVB-T uses another modulation COFDM (Coded Orthogonal Frequency Division Multiplex).
Video PID (Program Identification).
- 0 for Radio channels
- 1 for encryted channels (pay tv)
If that channel uses a separate PCR PID this PCR PID follows the Video PID, separated by "+" (e.g. ...:164+17:...)
For analogue TV: mostly 301(ivtv > 0.1.9) or 160(ivtv <= 0.1.9, bttv)
Audio PID. Either one or more numbers separated by a comma. Each value stands for a language or two-channel audio. If that channel has AC3 (Dolby Digital Sound), the Dolby PIDs follows the mpeg audio PIDs, both lists are separated by semicolon (e.g.:...:101,102;103,104:...).
For analogue TV: mostly 300 or 80 (older versions)
The development VDR 1.3.x (but not VDR 1.2.x) accepts language markers like APID=eng, APID=deu, APID=2ch.
CA - Conditional access
This integer describes how to access the encrypted channel.
- 0 Free To Air
- 1..4 use DVB-Karte with that number.
- 5..100 use this method for decrypting.
- 32001 analog TV (VDR-1.2.x)
- A0 analog TV (VDR-1.3.x)
The methods are described in ca.conf.
Service ID of channel.
For analogue TV: see ChannelMap.h from Analogtv-plugin source package.
Network ID. Placeholder for future development. Currently 0. (VDR-1.2.x only)
Transport Stream ID. Placeholder for future development. Currently 0. (VDR-1.2.x only)
- NID=0, TID=0, RID=0
- VDR-1.2.x with AutoPID-Patch
- NID<>0, TID<>0, RID<>0 valid
- NID<>0, TID<>0, RID<>0 valid, starting from version 1.3.12 also service provider included in Name, in Audio-PID also language marker valid.
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