[mythtv-users] DVI to HDMI what about th eaudio???

[A JM]

On Sun, Mar 1, 2009 at 9:07 AM, A JM <vbtalent at gmail.com> wrote:

>
>
> On Sat, Feb 28, 2009 at 10:00 PM, A JM <vbtalent at gmail.com> wrote:
>
>> I just ran test to see where my problem lies... and it turns out to be
>> with the PC/Myth/Ubuntu.
>>
>> I pulled a dvd player that had DVI out RCA audio and I hooked it through
>> the HDMI1 port on the tv and I got both sound and video.
>>
>> [EDIT]
>>
>> I found a post that describes my issue to a "T" (
>> http://forums.nvidia.com/lofiversion/index.php?t88272.html) and modifying
>> the xorg worked but now the picture is jacked up...
>> *
>> Section "Screen"
>>     Identifier    "Default Screen"
>>     Monitor        "Configured Monitor"
>>     Device        "Configured Video Device"
>>         DefaultDepth    24
>>         Option         "ExactModeTimingsDVI" "True"
>>         Option         "UseEdid" "FALSE"*
>>
>>
>> Below from the NVidia appendix doesn't seem to have the option for only
>> turning of the sound, anyone else have any ideas???
>>
>> *Option "UseEdidFreqs" "boolean"*
>>
>> *This option controls whether the NVIDIA X driver will use the HorizSync
>> and VertRefresh ranges given in a display device's EDID, if any. When
>> UseEdidFreqs is set to True, EDID-provided range information will override
>> the HorizSync and VertRefresh ranges specified in the Monitor section. If a
>> display device does not provide an EDID, or the EDID does not specify an
>> hsync or vrefresh range, then the X server will default to the HorizSync and
>> VertRefresh ranges specified in the Monitor section of your X config file.
>> These frequency ranges are used when validating modes for your display
>> device.*
>>
>> *Default: True (EDID frequencies will be used)*
>> *Option "UseEDID" "boolean"*
>>
>> *By default, the NVIDIA X driver makes use of a display device's EDID,
>> when available, during construction of its mode pool. The EDID is used as a
>> source for possible modes, for valid frequency ranges, and for collecting
>> data on the physical dimensions of the display device for computing the DPI
>> (see Appendix Y, Dots Per Inch<http://http.download.nvidia.com/XFree86/Linux-x86/1.0-8774/README/appendix-y.html>).
>> However, if you wish to disable the driver's use of the EDID, you can set
>> this option to False:*
>>
>> *    Option "UseEDID" "FALSE"
>> *
>>
>> *Note that, rather than globally disable all uses of the EDID, you can
>> individually disable each particular use of the EDID; e.g.,*
>>
>> *    Option "UseEDIDFreqs" "FALSE"
>>     Option "UseEDIDDpi" "FALSE"
>>     Option "ModeValidation" "NoEdidModes"
>> *
>>
>> *Default: True (use EDID).*
>>
>>
>

It might help to attache the EDID.bin... if anyone is interested.



>
>
> Another option I found for resolving this is to edit the EDID file
> directly. I'm a bit ignorant to using a hex editor so maybe someone could
> help me out that?? (
> http://www.nvnews.net/vbulletin/showthread.php?t=118691)
>
> In essence I need to get xorg.conf to load up the file like so
>
> *Option "CustomEDID" "DFP-0:/etc/X11/samsung.bin"*
>
> and then edit the .bin file in a hex editor as described below... maybe it
> will work.
>
> *"I got the TV EDID dump from the Xorg.log, amputated the Extension Block
> data (anything after byte 127, 0 base), reset the Extension Block count to
> zero (byte 126) and incremented the checksum by 1 (byte 127) and, tada, the
> 9500GT now doesn't send the audio over DVI, meaning the TV now plays back
> the RCA audio."*
> *
> *Any help would be appreciated with this as I know nothing about editing
> in a hex editor.
>
> Thanks.
>
> AJM,
>
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