Difference between revisions of "Hauppauge PVR-350"

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{{warning box|The Hauppauge PVR-350 mpeg2 hardware decoder (playback) is no longer supported since version 0.23 ( see http://svn.mythtv.org/trac/changeset/22845 ).  With MythTV 0.23 and later, the ivtv Xorg/Xv driver is required for TV output using this card.}}
 
 
 
== Description ==
 
[[Image:pvr350.jpg|thumb|The PVR-350]]
 
 
 
The Hauppauge PVR-350 is a [[video capture card]] manufactured by [http://www.hauppauge.com/pages/products/data_pvr350.html Hauppauge Computer Works, Inc].  It is supported by MythTV using the [http://ivtvdriver.org/ ivtv] driver.
 
 
 
Hauppauge no longer ships any of the analog only (PVR) cards due to pressure from FCC.
 
 
 
== What it Does & Doesn't Do ==
 
=== Does ===
 
* Recording direct to MPEG2, just like [[Hauppauge PVR-150|PVR-150]], [[Hauppauge PVR-250|PVR-250]] and [[Hauppauge PVR-500|PVR-500]]
 
* Built-in RC5 remote control, supported by [[LIRC]].
 
* Technically X and xv output are working, but they are slow since they operate over the framebuffer.
 
 
 
=== Doesn't===
 
* TV Output via MythTV
 
* Normal X output at decent speed/quality.
 
* OpenGL and hardware accelerated output is not supported.
 
* High-Definition (HD) output
 
* No audio output from anything but MPEG2 - requires pass-through cable to line-in on sound card for other audio output
 
 
 
'''Well Suited for:''' a single-card solution for input/ouput of video and audio to a standard television, running only MythTV and recordings.  Also well-suited for underpowered systems, since the onboard mpeg encoding ''and'' decoding mean your CPU has very little to do.  As a single data point, consider that the utilization on 750 Mhz PIII is only 20% while watching live tv.
 
 
 
'''Not Suited for:''' MythVideo, [[MythMusic]], MythGame, other output modes, recordings other than MPEG2
 
 
 
== Associated Software ==
 
 
 
* [[IVTV]]
 
* [[ir-kbd-i2c]] - kernel module for infrared remote control support
 
 
 
== Installation guides ==
 
This card should be set up as an "IVTV MPEG-2 encoder card"
 
 
 
== FAQs ==
 
Best info most likely found on the IVTV driver forum on Sourceforge.
 
See also the wiki at: http://ivtvdriver.org/
 
 
 
=== How do you send TV-Out audio to the sound card? ===
 
 
 
Take the L/R audio out and feed it into a L/R female RCA to 1/8 male adapter.  Plug this into the line input of your sound card and make sure mute is off.
 
 
 
=== Displaying X on the PVR-350 video output ===
 
 
 
'''Q:''' How do you resize the MythTV UI and playback overlay to fit the TV screen when displaying X on the PVR-350 video output?
 
 
 
'''A:'''
 
This is one approach, based on a MythTV install created using Jarod's guide [http://wilsonet.com/mythtv/fcmyth.php].  It does '''not''' currently resolve the more general problem of the whole X session fitting the TV screen. (''See also '''A2''' below'')
 
 
 
# Fire up kcontrol:
 
## Go to '''Desktop->Panels->Hiding'''
 
## Set "Hide Mode" to "Allow other windows to cover the panel"
 
# In mythfrontend, go to '''Utilities/Setup -> Setup -> Appearance''':
 
## Go Next to the second screen, "Screen settings"
 
## Check off the "Run the frontend in a window" box
 
##* '''Note:''' this step may not be necessary if you are using a different window manager, such as [http://ratpoison.sourceforge.net/ ratpoison].  I found it necessary for KDE, so that step '''2.1.9.''' would reposition the GUI properly.
 
## Make sure "Use GUI size for TV playback is NOT checked
 
## Restart the mythfrontend (if you are set up for autologin, ''Ctrl+Alt+Backspace'' will restart the X server and log you back into your mythtv frontend user+session)
 
## Return to the screen in '''2.1.1.'''
 
## Play with the GUI width, height, X offset and Y offset until you can just barely see the lower resizing corners and edge of the upper window box.
 
## ''(optional)'' Enlarge the width and height by one step (adds 8 to each count)
 
## ''(optional)'' Decrease the X and Y offsets by 4 to re-centre.
 
## The final settings for the NTSC TV used to write this walk-through were as follows:
 
##*    '''GUI width (px):'''  616
 
##*    '''GUI height (px):'''  456
 
##*    '''GUI X offset:'''  46
 
##*    '''GUI Y offset:'''  4
 
## The final settings for the PAL TV 4/3  used to write this walk-through were as follows:
 
##*    '''GUI width (px):'''  632
 
##*    '''GUI height (px):'''  544
 
##*    '''GUI X offset:'''  55
 
##*    '''GUI Y offset:'''  20
 
# In mythfrontend, go to '''Utilities/Setup -> Setup -> TV Settings -> Playback''':
 
## On the 5th screen, "Hardware Decoding Settings", make sure "Use the PVR-350's TV out/ MPEG decoder" is checked.
 
## On the 8th screen, "Overscan", adjust the over/underscan percentages to your liking.  This will resize the overlay when you're watching TV or playing back video.
 
##*    '''Vertical over/underscan percentage:'''  8
 
##*    '''Horizontal over/underscan percentage:'''  8
 
 
 
'''A2:''' This is another solution used to configure the port to operate. There are some [http://ivtv.writeme.ch/tiki-index.php?page=TvOutHowto test you should conduct first] to make sure the card is talking to the TV correctly. If that checks out, proceed to follow that HOWTO. However, the section detailing '''fbdev''' will probably cause X-windows to crash, so don't follow that part of the HOWTO.
 
 
 
* Add a boot script to execute:
 
#!/bin/sh
 
modprobe ivtv-fb
 
Adding this to /etc/modules may interrupt ivtv from properly loading firmware. So make sure this boot script executes '''AFTER''' ivtv has loaded.
 
 
 
* It requires installing another X module called ivtvdev.
 
*# You need to [http://ivtvdriver.org/index.php/Download#X_Driver download the ivtvdev X driver]
 
*# Unpack it with bunzip2
 
*# Locate fbdev_drv.o
 
*# Copy it into the same directory that '''fbdev_drv.'''o is located in.
 
*# Restart X-windows (assuming you already loaded ivtv-fb earlier).
 
 
 
NOTE: '''fbdev''' does NOT work!!! I found many sites a la Google that had all the correct X-windows settings, but they were about 2 years old, and they caused bad errors. The following settings should work pretty well:
 
 
 
* Configure X-windows (Xorg or XFree86) to have a "device" for X to get displayed on.
 
<pre><nowiki>
 
Section "Device"
 
        Identifier "Hauppauge PVR 350 Framebuffer"
 
        Driver "ivtvdev"
 
        Option  "ivtv" "/dev/fb2"  <--- dmesg | grep ivtv, and look for an fb device, and plug this in
 
        Option "VideoOverlay" "on"
 
        Option "XVideo" "1"
 
        BusID  "PCI:0:10:0"    <--- lspci, and look for the PVR card's PCI designator (not nVidia's)
 
        Screen 0
 
EndSection
 
</nowiki></pre>
 
 
 
* Configure X-windows to have a screen using the Hauppauge device.
 
<pre><nowiki>
 
Section "Screen"
 
        Identifier "TV"
 
        Device "Hauppauge PVR 350 Framebuffer"
 
        Monitor "NTSC Monitor"
 
        DefaultDepth 24
 
        DefaultFbbpp 32
 
        Subsection "Display"
 
                Depth 24
 
                FbBpp 32
 
                Modes "720x480"
 
        EndSubsection
 
EndSection
 
</nowiki></pre>
 
 
 
* Configure X-windows to have a monitor for your TV set.
 
<pre><nowiki>
 
Section "Monitor"
 
Identifier "NTSC Monitor"
 
HorizSync 30-68
 
VertRefresh 50-120
 
DisplaySize 183 122
 
Mode "720x480"
 
# D: 34.563 MHz, H: 37.244 kHz, V: 73.897 Hz
 
DotClock 34.564
 
HTimings 720 752 840 928
 
VTimings 480 484 488 504
 
Flags "-HSync" "-VSync"
 
EndMode
 
EndSection
 
</nowiki></pre>
 
 
 
* Configure X-windows the ServerLayout section to reference your TV screen.
 
* See also: [http://www.mythtv.org/wiki/index.php/XV_on_PVR-350 XV on PVR-350].
 
* See also: [https://scifi.homelinux.net/mediawiki/index.php/MythTV#July_29.2C_2006_-_MLUG_install_party MythTV - July 29, 2006 - MLUG install party]
 
 
 
===Playback Freezes===
 
 
 
(Taken from: [http://malformed.org/2006/01/31/new-ivtv-error-from-mythtv-ivtv0-all-encoder-mpeg-stream-buffers-are-full-dropping-data/])
 
 
 
You can increase the IVTV buffers by adding the following line to /etc/mythtv/modules/ivtv:
 
 
 
options ivtv yuv_buffers=32 mpg_buffers=16 vbi_buffers=16 pcm_buffers=16 dec_osd_buffers=2
 
 
 
those are the maximum amounts for all those buffers.
 
 
 
 
 
UPDATED ON 1/30/08: I was trying to add more buffer space on Ubuntu Feisty Fawn and ivtv 0.10.1 but the above parameters weren't working. After being told to run "modinfo ivtv", I was able to find out that the parameters (options) are now different. This is the line that I added to my /etc/modprobe.conf file options ivtv enc_yuv_buffers=32 enc_mpg_buffers=16 enc_vbi_buffers=16 enc_pcm_buffers=16.
 
'''BE CAREFUL''' to note the units for each buffer sizing... My ''modinfo ivtv'' states that enc_pcm_buffers is in kB with a default of 320 so 16, as mentioned above, is very low.
 
 
 
here is another sample
 
options ivtv enc_mpg_buffers=16 enc_yuv_buffers=20 enc_pcm_buffers=640 debug=3
 
 
 
 
 
then run:
 
 
 
update-modules && rmmod ivtv && modprobe ivtv
 
 
 
If it works, instead of seeing:
 
 
 
ivtv0: Allocate DMA encoder MPEG stream: 128 x 32768 buffers (4096KB total)
 
 
 
you should see:
 
 
 
ivtv0: Allocate DMA encoder MPEG stream: 512 x 32768 buffers (16384KB total)
 
 
 
===Recordings Won't Schedule / Live TV won't play===
 
 
 
If you can configure the PVR-350 from [[mythtv-setup]] but you can't seem to get recordings to schedule (or watch live TV), you may not have the proper drivers loaded.  See [[Troubleshooting:mythbackend:_Problem_with_capture_cards:_Card_1failed_init]]
 
 
 
== References ==
 
 
 
# Here is a QuickRef Remote Guide: [[PVR-350 Remote Quick Guide]]
 
# [[XV on PVR-350]]
 
# [[IVTV Install]]
 
# [http://www.gentoo-wiki.com/HARDWARE_X_windows_through_Hauppauge_350_TV_Out Gentoo:HOWTO X windows through Hauppauge 350 TV Out]
 
# More information about Hauppauge can be found at [http://en.wikipedia.org/wiki/Hauppauge_Computer_Works Wikipedia]
 
 
 
[[Category:Hauppauge]]
 

Revision as of 02:07, 12 September 2010

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