SiliconDust TECH3 Manuale utente
SiliconDust USA, Inc.
Tech/HDRack
Operations Manual
October 2, 2014
© SiliconDust US , Inc. 2011-2014
Hardware
TECH3 (dual tuner)
HDRack (8 tuner ATSC/ AM/DVB-T/DVB-C)
1. Power/Network
2. Tuner
3. Power
4. Ethernet
5. Coax in ( TSC/Q M/DVB-T/C)
HDRack (6 tuner CableCARD)
1. Power/Network LED
2. CableC RD LED
3. Tuner LEDs
4. Coax in (digital cable)
5. USB (for tuning adapter)
6. Ethernet
7. M-C RD
8. Power
Power
ll devices should be used with the included power supply (dual-tuner models) or power cable
(HDRack models).
Ethernet
Connect the Ethernet port(s) to a network switch. On models with multiple ports, all ports must be
connected in order for all tuners to be accessible. single port can be directly connected to the network
interface on a PC to access that specific device. ll ports are auto-crossover so a standard Ethernet
cable can be used.
Additional Tools and Software
Software Installation
The latest HDHomeRun drivers, code, and firmware can be found on the Silicondust website:
http://www.silicondust.com/downloads
Windows
Download and install the latest Windows release of the HDHomeRun software.
The HDHomeRun Setup wizard is optional.
When the installation process is complete it is recommended that the HDHomeRun program directory
be added to the P TH so that the hdhomerun_config utility can be run from a cmd prompt. The default
program directory is “C:\Program Files\Silicondust\HDHomeRun\”
Linux/*BSD/Solaris
Download and extract the libhdhomerun archive.
Run "make" to compile hdhomerun_config (systems that use a non-GNU make by default may need to
install and use "gmake" instead).
Copy hdhomerun_config to /usr/local/bin
Using the Command Line Configuration Utility (hdhomerun_config)
Open a command prompt or terminal window and change directory to the HDHomeRun installation
directory: "C:\Program Files\Silicondust\HDHomeRun\"
The list of supported commands can be obtained by running hdhomerun_config without any
parameters:
hdhomerun_config discover
hdhomerun_config <id> get help
hdhomerun_config <id> get <item>
hdhomerun_config <id> set <item> <value>
hdhomerun_config <id> scan <tuner> [<filename>]
hdhomerun_config <id> save <tuner> <filename>
hdhomerun_config <id> upgrade <filename>
Discover devices on the network
The discover command will find devices that are on the same subnet as the host:
hdhomerun_config discover
Sending co ands to a specific device
The “<id>” shown above represents a unique identifier for a device, this can be either Device ID, or IP
address:
hdhomerun_config <device id> get help
hdhomerun_config <ip address> get help
To address by Device ID the device must be on the same subnet as the host.
Device ID of FFFFFFFF can be used as a wild card for the first device found on the network. Do not
use this syntax if there are multiple devices on the network, as the device used will be random based on
discovery order, which may change between commands.
Supported Commands
The get/set options supported by a specific device can be queried using the get help command:
hdhomerun_config <id> get help
Example output:
/card/status Get status of CableCARD 6CC only)
/oob/channel <modulation>:<freq> Get/set out of band channel 6CC only)
/oob/debug Get out of band channel debug info 6CC only)
/oob/status Get out of band channel status info 6CC only)
/sys/boot <config> Get/set boot configuration
/sys/copyright Get copyright information
/sys/debug Get/set system debug information
/sys/features Get system feature information
/sys/hwmodel Get system hardware model string
/sys/ipaddr dhcp|"<ip> <mask> <gw> <dns>" Get/set system IP address
/sys/model Get/set model string
/sys/restart <resource> Restart device/component
/sys/version Get firmware version
/tuner<n>/channel <modulation>:<freq|ch> Get/set channel
/tuner<n>/channelmap <channelmap> Get/set channelmap
/tuner<n>/debug Get tuner debug information
/tuner<n>/filter "0x<nnnn>-0x<nnnn> […]" Get/set tuner PID filter
/tuner<n>/lockkey Get/set tuner locking
/tuner<n>/plotsample Get raw plotsample data from tuner
/tuner<n>/program <program number> Get/set MPEG program
/tuner<n>/streaminfo Get list of programs on current channel
/tuner<n>/status Get tuner status
/tuner<n>/target <ip>:<port> Get/set stream target
/tuner<n>/vchannel <vchannel> Get/set virtual channel number 6CC only)
/tuner<n>/vstatus Get/set subscription/protection status 6CC only)
Channel scan
To run a channel scan:
Format: hdhomerun_config <id> scan /tuner<n> [log filename]
Example: hdhomerun_config FFFFFFFF scan /tuner0 scan0.log
This command will scan all channels on the selected channel map plus any additional channel maps
associated with the selected channel map. ll standard modulation types for the selected channel map
are tested.
When a digital channel is found it will identify the programs on the channel.
The log filename is optional; if included it will log to the given filename.
Tuning a physical channel
To set a channel use the set channel command:
Format: hdhomerun_config <id> set /tuner<n>/channel <modulation>:<frequency>
Format: hdhomerun_config <id> set /tuner<n>/channel <modulation>:<channel>
Example: hdhomerun_config FFFFFFFF set /tuner0/channel auto:651000000
Example: hdhomerun_config FFFFFFFF set /tuner0/channel auto:60
To auto-detect the modulation type use “auto” for the modulation.
Supported modulation types can be queried with the get sys-features command:
hdhomerun_config <id> get /sys/features
To stop the tuner set the channel to none:
Format: hdhomerun_config <id> set /tuner<n>/channel none
Example: hdhomerun_config FFFFFFFF set /tuner0/channel none
Tuning a virtual channel (TECH3-6CC-3x2 only)
To set a virtual channel use the set vchannel command:
Format: hdhomerun_config <id> set /tuner<n>/vchannel <virtual channel>
Example: hdhomerun_config FFFFFFFF set /tuner0/vchannel 702
To stop the tuner set the vchannel to none:
Format: hdhomerun_config <id> set /tuner<n>/vchannel none
Example: hdhomerun_config FFFFFFFF set /tuner0/vchannel none
Checking the signal strength
The basic signal information can be obtained by using the get status command:
Format: hdhomerun_config <id> get /tuner<n>/status
Example: hdhomerun_config FFFFFFFF get /tuner0/status
Example output:
ch=qam:33 lock=qam256 ss=83 -10dBmV) snq=90 29dB) seq=100 bps=38807712 pps=0
●ch = channel requested
●lock = actual modulation detected
●ss = signal strength.
●snq = signal to noise quality (MER).
●seq = symbol error quality (based on the number of uncorrectable digital errors detected).
●bps = raw channel bits per second.
●pps = packets per second sent through the network.
More advanced information can be obtained by using the get debug command:
Format: hdhomerun_config <device id> get /tuner<n>/debug
Example: hdhomerun_config FFFFFFFF get /tuner0/debug
Example output:
tun: ch=qam:33 lock=qam256 ss=84 snq=88 seq=100 dbg=22081-6930
dev: resync=0 overflow=0
ts: bps=38809216 ut=94 te=0 miss=0 crc=0
flt: bps=38809216
net: pps=0 err=0 stop=0
Each line contains a prefix to indicate the type of data, followed by the values.
●tun = tuner status
○see above section
●dev = device status
●ts = transport stream
○bps = bits per second
○ut = utilization percentage (100% is filled to capacity)
○te = transport error counter (uncorrectable reception error)
○miss = missed packet counter (jump in sequence numbers)
○crc = crc error counter
●flt = results after pid filtering
○bps = bits per second
●net = network status
○pps = packets per second
○err = packets or TS frames dropped before transmission.
○stop = reason for stopping the stream
The counters are reset to zero upon a channel change, but may indicate a small number of errors caused
before the tuner locks on the channel. s a result, diagnostics should be based on the change in values
over time, and not the initial values.Detecting the programs on a physical channel:
The device will detect the programs (sub-channels). Use the get streaminfo command to query the
detected programs:
Format: hdhomerun_config <id> get /tuner<n>/streaminfo
Example: hdhomerun_config FFFFFFFF get /tuner0/channel streaminfo
The output format is:
<program number>: <virtual major>.<virtual minor> [<name>] [ <flags>)]
Example output:
3: 20.1 KBWB-HD
4: 20.4 AZTECA
Digital cable does not always provide the channel name or virtual channel number:
1: 0.0
2: 0.0 encrypted)
3: 0.0 control)
It may take several seconds after setting the channel for the stream information to be fully populated
(depending on how long the channel takes to lock and how often the stream information is sent by the
broadcaster/cable provider).
Filtering by progra (sub-channel)
TECH3 supports automatic PID filtering by program number or virtual channel number:
Format: hdhomerun_config <id> set /tuner<n>/program <program number>
hdhomerun_config <id> set /tuner<n>/program <virtual channel number>
Example: hdhomerun_config FFFFFFFF set /tuner0/program 3
hdhomerun_config FFFFFFFF set /tuner0/program 11.2
When filtering by program the MPEG TS tables are generated by the device. The result is a valid
single-program transport stream.
The program filter is cleared when a set channel or a set filter command is received.
Advanced: By default the P T and PMT are generated. To also generate a TSC-style TVCT use:
hdhomerun_config <id> set /tuner<n>/program "<program number> tvct_from_pmt=<virtual major>.<virtual
minor> <name>)"
Example: hdhomerun_config <id> set /tuner0/program "3 tvct_from_pmt=11.2 TEST)"
Filtering by PID
The TECH3 supports arbitrary hardware PID filtering:
Format: hdhomerun_config <id> set /tuner<n>/filter <filter>
Example: hdhomerun_config FFFFFFFF set /tuner0/filter "0x0000-0x1FFF"
hdhomerun_config FFFFFFFF set /tuner0/filter "0x0000 0x0030-0x0033 0x1FFB"
When filtering by PID the stream is filtered but otherwise unmodified.
The filter is cleared to pass-all (0x0000-0x1FFF) when a set channel command is received.
Saving a strea
The hdhomerun_config command can be used to automate the process of saving to the local filesystem:
Format: hdhomerun_config <id> save /tuner<n> <filename>
Example: hdhomerun_config FFFFFFFF save /tuner0 capture.ts
While saving the stream, a single period “.” will be displayed every second. Errors will be indicated by
a letter.
Example output:
............n...............................n..........ts..........
-- Video statistics --
23323 packets recieved, 2 network errors, 1 transport errors, 1 sequence errors
Advanced: filename of “null” indicates no file should be created, allowing the use of the save
command as a diagnostic tool.
Advanced: “-” may be used as a filename to indicate standard output, allowing the save command to
be used as a pipe on supported platforms.
Example: hdhomerun_config FFFFFFFF save /tuner0 - | vlc -
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