Myth TV Linux Personal Video Recorder Jim Weir and Jeff Forde 11 July 2005

Overview Features System-at-a-glance Requirements Hardware Installation Configuration Program Guide Plug-ins DEMO!!! Features System-at-a-glance Requirements Hardware Installation Configuration Program Guide Plug-ins DEMO!!!

Features Digital Television Capture Live TV Control (Pause,REW,FF) Commercial Detection/Skip Editing/Exporting Recordings Electronic Program Guide Digital Jukebox (MythMusic) Photo Gallery (MythGallery) Video Library (MythVideo) DVD Frontend (MythDVD) Games Launcher (MythGame) Weather Updates (MythWeather) News Feeds (MythNews) Remote Web Interface (MythWeb) Digital Television Capture Live TV Control (Pause,REW,FF) Commercial Detection/Skip Editing/Exporting Recordings Electronic Program Guide Digital Jukebox (MythMusic) Photo Gallery (MythGallery) Video Library (MythVideo) DVD Frontend (MythDVD) Games Launcher (MythGame) Weather Updates (MythWeather) News Feeds (MythNews) Remote Web Interface (MythWeb)

System-at-a-glance CaptureHardware TV Drivers (Video4Linux) MythBackend MythFrontend MySQL

Requirements Hardware TV Capture Board Software Linux OS Video4Linux Drivers X Windows QT Library MySQL Database Server Hardware TV Capture Board Software Linux OS Video4Linux Drivers X Windows QT Library MySQL Database Server

Hardware TV Capture Board required Frame Grabber ATI TV Wonder (~$80) Requires encoding by software Hardware Encoder Hauppauge PVR 150 (~$85) Encodes MPEG2 in hardware HDTV Board HD-3000 (~$170) Handles Hi-Definition content TV Capture Board required Frame Grabber ATI TV Wonder (~$80) Requires encoding by software Hardware Encoder Hauppauge PVR 150 (~$85) Encodes MPEG2 in hardware HDTV Board HD-3000 (~$170) Handles Hi-Definition content

Installation Stable Release (0.18) RPM packages Gentoo ebuilds CVS Head (recommended) Checkout via CVS Stable Release (0.18) RPM packages Gentoo ebuilds CVS Head (recommended) Checkout via CVS

Configuration All configuration is stored in a MySQL database Must initially configure Myth with information about your TV card and channel lineup Otherwise, default settings usually work well All configuration is stored in a MySQL database Must initially configure Myth with information about your TV card and channel lineup Otherwise, default settings usually work well

Program Guide Freely available from Zap2It.com Must create an account Requires completion of a small survey every 3 months Run process mythfilldatabase to acquire updates Freely available from Zap2It.com Must create an account Requires completion of a small survey every 3 months Run process mythfilldatabase to acquire updates

Plug-ins MythMusic MythGallery MythVideo MythDVD MythGame MythWeather MythNews MythWeb MythMusic MythGallery MythVideo MythDVD MythGame MythWeather MythNews MythWeb

MythMusic Store and play digital music through MythFrontend Supports playlists/organization Cool visualizations during playback Store and play digital music through MythFrontend Supports playlists/organization Cool visualizations during playback

MythGallery View photos from MythFrontend Photos organized into folders Myth can automatically scan for Flash Media cards View photos from MythFrontend Photos organized into folders Myth can automatically scan for Flash Media cards

MythVideo Archive movies and launch them from the frontend Myth can store and display poster graphics and details associated with each movie Archive movies and launch them from the frontend Myth can store and display poster graphics and details associated with each movie

MythDVD Provides a frontend to DVD playback Can be configured to launch your favorite DVD playing software Provides a frontend to DVD playback Can be configured to launch your favorite DVD playing software

MythGame Launch various games from MythFrontend including: NES emulator SNES emulator Arcade emulator Any system executable Myth can store and display artwork for each game Launch various games from MythFrontend including: NES emulator SNES emulator Arcade emulator Any system executable Myth can store and display artwork for each game

MythWeather Pulls weather updates from the net and displays in the frontend Displays current and forecasted weather along with radar maps Pulls weather updates from the net and displays in the frontend Displays current and forecasted weather along with radar maps

MythNews Allows you to subscribe to various RSS news feeds and view them

MythWeb Remote access to MythTV over the web Allows user to: Browse the program guide Schedule/edit recordings Stream recordings to client Stream audio from MythMusic to client View information from MythWeather Remote access to MythTV over the web Allows user to: Browse the program guide Schedule/edit recordings Stream recordings to client Stream audio from MythMusic to client View information from MythWeather

Controlling Satellite or Cable Boxes with MythTV Building the IR Emitter. Finding and configuring the LIRC to transmit as well as receive Infrared Signals. Configuring for your cable or satellite box. Building the IR Emitter. Finding and configuring the LIRC to transmit as well as receive Infrared Signals. Configuring for your cable or satellite box.

Building the Emitter Parts List RadioShack Parts: # Connector, 9-Position Female Solder D-Sub # Diode, Pkg10 1N914/4148 # Resistor, Pkg5 3.3Kohm 1/4 Watt # LED, IR 940nm, 5mm diameter OR IR LED that came with your capture card. Parts List RadioShack Parts: # Connector, 9-Position Female Solder D-Sub # Diode, Pkg10 1N914/4148 # Resistor, Pkg5 3.3Kohm 1/4 Watt # LED, IR 940nm, 5mm diameter OR IR LED that came with your capture card.

Building the Emitter Soldering: The componets are all soldered in series in the following order. Pin 4 of the DB9 connector to the to the Anode (end without the stripe) on the Reverse Blocking Diode. Cathode of the Reverse Blocking Diode(the striped end) to either end of the Resistor. The other side of the resistor to the Anode (long lead) of the LED. Cathode of the LED (short lead) to Pin 5 of the DB9 connector. Soldering: The componets are all soldered in series in the following order. Pin 4 of the DB9 connector to the to the Anode (end without the stripe) on the Reverse Blocking Diode. Cathode of the Reverse Blocking Diode(the striped end) to either end of the Resistor. The other side of the resistor to the Anode (long lead) of the LED. Cathode of the LED (short lead) to Pin 5 of the DB9 connector.

Building the Emitter The Finished Product:

Configuring LIRC for Transmitting Get LIRC and myth-ledxmit which are both available HereHere Follow the instructions on how to configure myth-ledxmit This creates a second instance of LIRC demon that controls transmitting IR Signals Find a suitable Remote configuration file for your cable or satellite box. Available from Copy this conf file to /etc/ledxmitd.conf Get LIRC and myth-ledxmit which are both available HereHere Follow the instructions on how to configure myth-ledxmit This creates a second instance of LIRC demon that controls transmitting IR Signals Find a suitable Remote configuration file for your cable or satellite box. Available from Copy this conf file to /etc/ledxmitd.conf

Configuring LIRC for Transmitting Finally configure MythTV to use your IR Blaster. For this step you just need to make a simple bash script like the following… #!/bin/sh REMOTE_NAME=SA2000 #Name of the remote in /etc/ledxmit.d file for digit in $(echo $1 | sed -e 's/./& /g'); do /usr/local/lirc-ledxmit/bin/ledxmit-irsend SEND_ONCE $REMOTE_NAME $digit sleep 0.4 # note, you may have to tweak the interdigit delay up a bit, depending on your receiver model Done /usr/local/lirc-ledxmit/bin/ledxmit-irsend SEND_ONCE $REMOTE_NAME SELECT Finally configure MythTV to use your IR Blaster. For this step you just need to make a simple bash script like the following… #!/bin/sh REMOTE_NAME=SA2000 #Name of the remote in /etc/ledxmit.d file for digit in $(echo $1 | sed -e 's/./& /g'); do /usr/local/lirc-ledxmit/bin/ledxmit-irsend SEND_ONCE $REMOTE_NAME $digit sleep 0.4 # note, you may have to tweak the interdigit delay up a bit, depending on your receiver model Done /usr/local/lirc-ledxmit/bin/ledxmit-irsend SEND_ONCE $REMOTE_NAME SELECT

Configuring MythTV to Change The Channel Save your bash script and name it something like chan_change.sh From within mythtv-setup navigate to input-connections and enter the script location into the external channel change command box. Finally fire up MythTV and enjoy! Save your bash script and name it something like chan_change.sh From within mythtv-setup navigate to input-connections and enter the script location into the external channel change command box. Finally fire up MythTV and enjoy!

Resources MythTV Homepage MythTV Wiki Gentoo MythTV Guide Fedora MythTV Guide TV Cards IR Blaster info/MythTV_DISH_IR_LED_TX_via_Modified_LIRC.html info/MythTV_DISH_IR_LED_TX_via_Modified_LIRC.html IRC MythTV Homepage MythTV Wiki Gentoo MythTV Guide Fedora MythTV Guide TV Cards IR Blaster info/MythTV_DISH_IR_LED_TX_via_Modified_LIRC.html info/MythTV_DISH_IR_LED_TX_via_Modified_LIRC.html IRC