diff options
Diffstat (limited to 'DOCS/video.html')
| -rw-r--r-- | DOCS/video.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/DOCS/video.html b/DOCS/video.html index 2f251164d0..c660d37001 100644 --- a/DOCS/video.html +++ b/DOCS/video.html @@ -685,5 +685,59 @@ so i have to swap CRTC's, but this way your console will framebuffer <P><I>Anyway i also just get monochrome output on the tv ...</I> Maybe you have NTSC TV? Or just didn't run one of TV-* scripts.</P> + +<P><B><A NAME=2.2.1.A.2>2.2.1.A.2. ATI cards</A></B></P> + +<P> +<b>A few word about ATI's TV-out:</b><BR> +Currently ATI doesn't want to support any of its TV-out chips under Linux. +Below is official answer from ATI Inc.: + +<P> +<code> +<i> +<br>> Hello! +<br>> +<br>> On your pages you wrote that you support linux developers. +<br>> Currently I participate with mplayer project (www.mplayerhq.hu) +<br>> I'm interesting with enabling TV-out on Radeon VE chips during +<br>> movie playback. I would be glad to add this feature to radeonfb driver +<br>> (which can be found in CVS tree of mplayer project at main/drivers/radeon). +<br>> Do I have a chance to get any official technical documenation? +</i> +<br>We will not provide TV out related documents due to macrovision concerns. +<br>Also mpeg2 decoding is something that we MAY consider in the future but not +<br>at this current time. This is again due to proprietary and 3rd party +<br>information. +</code> +</P> + +<P>Pity isn't?</P> + +<P> +<code> +<B>Q:What is Macrovision?</B><BR> +A:It's copy protection mechanism.</code> +</P> + +<P>It means that if they open any TV-out related information then +hackers will be able to disable copy protection on their chips. Therefore +we have no chance to get working TV-out on ATI.</P> + +<P>What's status of ATI's tv-out chips under Linux: +<LI><b>ATI Mach64</b> has <i>ImpacTV</i> which is supported by gatos. +<LI><b>ASIC Radeon VIVO</b> has <i>Rage Theatre</i> which is supported by gatos. +<LI><b>Radeon VE</b> and <b>Rage PRO LT</b> have <i>ImpacTV2+</i> which is not supported under Linux.</P> + +<P> +From other side - we could have a chance to have TV-out support through +<b>VESA drivers</b> on x86 systems but since Linux has too limited <i>vm86 syscall</i> +- it's unreachable on practice. Finely every access to IO space causes exception +and driver attempts to emulate even VESA calls instead passing them to native +int_10h handler. +</P> + +</P> + </BODY> </HTML> |