MythTV

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MythTV
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Introduction

• What is MythTV?
• MythTV is a GPL open source application for Linux
  designed to allow any computer (that meets the
  specified minimum requirements) to function as a
  personal video recorder. The project was started
  in April 2002 by Isaac Richards.
• Wikipedia - MythTV

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Introduction

• What can MythTV do?
• Play, Record TV
• Play, Record DVDs
• Play Digital Video
• Play Digital Music
• TV Browser
• News Service ( RSS )
• Weather Service
• VoIP Client ( Audio Video )
• Picture Slideshow
• Game Emulator ( through Mame )

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Setup

• What do I need?
• PC
• Tuner Card
• Remote
• Sound
• TV Out Video
• Linux
• Lots and lots of Hard driver space

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Hardware Requirements

• CPU
• 1000mhz per active tuner
• MPEG-4 codec using 480x480 capture resolution
• Tuner(s)
• BTTV ( older chip, audio jumper required )
• Hauppauge
• DVB ( Primarily Europe )
• pcHDTV ( USA OTA )
• Air2PC ( USA OTA )
• Firewire Capture ( USA Cable )
• See Video4Linux for complete list

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Tuner ( Cont. )

• HDTV in Canada
• ATSC Encrypted
• Firewire not enabled readily available
• MPEG decoding advantage
• Primarily Hauppauge
• PVR-150/500 much better price
• Includes Remote
• TV Out
• Generally X over TV Out
• Nvidia with Xv and XvMC
• Older cards fine

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Software Components

• Linux
• Most distributions support
• KnoppMyth available
• TV Out
• X over TV Out
• Overscan advantages
• Nvidia again
• ALSA
• May conflict with aRTs/MCOP
• Provides closed to real-time sound control

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Software Components

• Tuner Software
• IVTV for Hauppauge
• Tie-in with LIRC
• LIRC
• Required for remote
• Most complicated component
• Hauppauge Remote the easiest
• No COM/UART, USB issues etc..

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MythTV Architecture

• C Based
• QT Based
• cross platform application platform
• Windoze, Mac etc..
• MySQL Database

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Programs
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Programs

• MythTV contains 12 applications
• mythbackend
• This is the backend which runs the recorders.
• mythfrontend
• This is the frontend which is the main
  application for viewing programs and using the
  MythTV plugins.
• mythtv
• This is the "External Player" used to play videos
  from within mythfrontend that are not proper
  programs, such as your home movies.
• mythlcd
• This is a test program for MythTV LCD support.

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Programs

• mythtvosd
• This is used externally by programs that want to
  pop-up an on screen display in MythTV while one
  is watching a recording
• mythfilldatabase
• This is used both internally and externally to
  fetch program listings.
• mythtranscode
• This is used both internally and externally to
  transcode videos from one format to another.
• mythjobqueue
• This is used internally by mythfrontend to
  schedule jobs such as commercial flagging and
  transcoding.
• mythcommflag
• This is used internally by mythfrontend to flag
  commercials.
• mythepg
• This is used internally by mythfrontend to find
  upcoming programs to record based on the channel
  and time

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Libraries

• MythTV is divided up into eight libraries
• libmyth
• Core Myth library. The database, audio, LCD, OSD,
  lirc, and the myth network protocol are supported
  by libmyth.
• libmythtv
• Core MythTV library. The recorders and A/V
  players are supported by libmythtv.
• libavcodec/libavformat
• This is the ffmpeg A/V decoding library (aka
  avlib). Documented Externally.
• libmythmpeg2
• Alternate MPEG-1/2 A/V decoding library. External
  Website.
• libmythsamplerate
• Audio resampling library Documented Externally.
  We use this to support a different output sample
  rates than the sample rate used in the audio
  streams we play.
• libmythsoundtouch
• Pitch preserving audio resampling library.
  External Website. We use this for the
  time-stretch feature.
• libmythui
• Next Gen UI rendering library, not yet being
  used.

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Installation Assistance

• Official Docs ( not overly helpful )
• www.mythtv.org
• Wiki and How-tos ( better info )
• www.mythtv.info
• Many Distribution based How-tos
• Jarod Wilson's Fedora Myth(TV)ology
• Mailing Lists
• Users mythtv-users_at_mythtv.org
• Dev mythtv-dev_at_mythtv.org
• E-mail me
• csmillie_at_gmail.com

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MythTV Demo
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MythTV Setup
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MythTV Main Screen
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MythWeather
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MythGallery
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MythPhone
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MythNews
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MythDVD
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MythTheme
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MythTV Main Screen
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MythTV Themes
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MythTV Themes
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MythTV Themes