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https://github.com/mpv-player/mpv
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68 lines
3.0 KiB
Plaintext
68 lines
3.0 KiB
Plaintext
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MPlayer TV-out with G400
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~~~~~~~~~~~~~~~~~~~~~~~~
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(this was a reply at the mplayer-matrox list)
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> What I'd love to see in mplayer is the the same feature that I see in my
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> windows box. When I start a movie in windows (in a window or in full screen)
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> the movie is also redirected to the tv-out and I can also see it full screen
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> on my tv. I love this feature and was wondering how hard it would be to add
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> such a feature to mplayer.
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It's a driver limitation. BES (Back-End Scaler, it's the overlay generator
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and YUV scaling engine of G200/G400/G450 cards) works only with CRTC1.
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Normally, CRTC1 (textmode, every bpp gfx and BES) is routed to HEAD1,
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and CRTC2 (only 16/32bpp gfx) is routed to HEAD2 (TV-out).
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Under linux, you have two choices to get TV-out working:
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1. Using X 4.0.x + the HAL driver from matrox, so you'll get dual-head
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support, and you'll be able to redirect second output to the TV.
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Unfortunately it has Macrovision encryption enabled, so it will
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only work on directly-connected TV, no through VCR.
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Other problem is that Xv doesn't work on the second head.
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(I don't know how Windows solve it, maybe it swaps the CRTCs between
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the heads, or just uses YUV framebuffer of second DAC with some trick)
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2. Using matroxfb with dual-head support enabled (2.4.x kernels).
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You'll be able to get a framebuffer console (using CRTC2, so it's
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slow), and TV-out (using CRTC1, with BES support).
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You have to forget X while using this kind of TV-out! :(
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How to enable?
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- Compile all the matrox-related things to modules in the kernel.
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(you MUST compile them to modules, at least I couldn't get them
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working built-in yet)
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[reboot to new kernel & install modules, but don't load them yet!]
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- Run the 'modules' script from the TV-out directory of mplayer.
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It will switch your console to framebuffer.
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Change to tty1 (ALT+F1)!
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Now run the script 'independent', it will set up your tty's:
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tty 1,2: fb console, CRTC2, head 1 (monitor)
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tty 3,4,5...: framebuffer+BES, CRTC1, head 2 (TV-out)
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You should run the scripts TV-* and Mon-* to set up resolutions:
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change to tty1 (ALT+F1), and run Mon-* (one of them)
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change to tty3 (ALT+F3) and then back to tty1 (ALT+F1)
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(this change will select tty3 on /dev/fb1 - tricky)
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run TV-* (one of them)
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(now you'll get a console on your PAL TV - don't know about NTSC)
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Now if you start mplayer (on tty1), the picture will show up on
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the tty3, so you'll see it on your TV or second monitor.
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Yes, it is a bit 'hack' now. But I'm waiting for the marvel
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project to be finished, it will provide real TV-out drivers, I hope.
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My current problem is that BES is working only with CRTC1. So picture
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will always shown up on head routed to CRTC1 (normaly the monitor),
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so i have to swap CRTC's, but this way your console will framebuffer
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(CRTC2 can't do text-mode) and a bit slow (no acceleration). :(
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> anyway i also just get monochrome output on the tv ...
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Maybe you have NTSC TV? Or just didn't run one of TV-* scripts.
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A'rpi / Astral & ESP-team
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