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author | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-01-11 22:31:36 +0000 |
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committer | arpi <arpi@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2002-01-11 22:31:36 +0000 |
commit | 0e16d1a43d7bc2076c227459730c916b108fddab (patch) | |
tree | 5c6cfc12285cc4a8955cb1efc9f0507cd2e04e8f | |
parent | 62969df02edd414c82c5a7f4edb59a720a9f795b (diff) | |
download | mpv-0e16d1a43d7bc2076c227459730c916b108fddab.tar.bz2 mpv-0e16d1a43d7bc2076c227459730c916b108fddab.tar.xz |
fight with the access rights - patch by Holm
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@4097 b3059339-0415-0410-9bf9-f77b7e298cf2
-rw-r--r-- | DOCS/DXR3 | 132 |
1 files changed, 36 insertions, 96 deletions
@@ -1,118 +1,58 @@ -DXR3/H+ video/audio output plugins manual by David Holm -======================================================= +How to use a Sigma Designs Hollywood Plus and/or a Creative DXR3 by David Holm +============================================================================== -2002-01-06: I've started working on config support. - You can try -vo dxr3:swsync to disable hardware - syncing and use mplayers software syncer instead. - I'd like some feedback on which one works best - on your particular machine =). (I recommend - using em8300 0.10 or later) - -2001-12-28: There is a whole bunch of updates since the - last time. For one thing, digital audio now - works thanks to Steven Brookes. - This is the first version to exclusively - use the dxr3's hardware sync. It seems as if - there are some bugs in the driver, so bugreports - will be appreciated. - Also, you will need to get the em8300 drivers - from cvs unless a version newer than 0.9.0 has - been released. - Note1: Seeking won't work with -vc mpegpes! - Note2: You now MUST use -ao dxr3 for proper - a/v sync! - -2001-12-04: Thanks to Inaki Garci'a Etxebarria of - zapping.sourceforge.net we have now - abandoned rte since it caused problems for - users who didn't rtfm and compiled it with - ffmpeg support. Instead we are now using - libmp1e which is a modified version of mp1e. - -1. Introduction - -The DXR3 and Hollywood+ are two not too different mpeg-(1/2) and ac3 -hardware playback cards that came at about the same time as the first -dvd-rom drives hit the market. At that time most computers weren't -powerful enough for synced software dvd playback. And even the faster -(intel-based) computers had troubles with artifacts. -Sigma Designs came up with the great idea to create a hardware -mpeg-(1/2), ac3 decoder. Sigma Designs are known for their realmagic -hardware (or they bought the company who came up with the first -realmagic boards, I don't know which). -Later Creative Labs thought, hey, we also wan't this product, and to -distribute it with our dvd-drives (the DVD Encore packages if I recall -correctly). So they bought the designs for the Hollywood plus and -replaced the circuit used to produce a proper video feed for tv's -called adv7170 or adv7175a depending on which h+ board you own with -a bt865. The reason for this is beyond my understanding as this seems -complete illogical to me, but I have had great experiences with -bt(brooktree) circuits in the past, so I don't mind. -Well, nowadays most people have no use for a mpeg-(1/2) or ac3 -hardware decoder since most computers these days have no problem doing -this in software and have cycles left for posprocessing (removing of -artefacts and other garbage produced by compression). -These days, you have two uses for this card: -1. You have a slow computer which you use for vcd/dvd playback -2. You discover what I have done with the implementation of this as - an audio/video output device for mplayer (read on and you'll find - out). - - - -2. Requirements +1. Requirements * First of all you will need the DXR3/H+ drivers properly installed. - Version 0.9.0 or later + Version 0.10.0 or later. You can find it at + http://dxr3.sourceforge.net/ * Run <mplayerdir>/configure and make sure that DXR3/H+ support = yes + if you want to play files other than mpeg libmp1e should be = yes as well From here on compilation (of at least my code ;) should go without any problems. -3. Usage +2. Usage -After installation you will have two new outdevices in mplayer: - -vo dxr3 For video output - -ao dxr3 For audio output + -vo dxr3:<devicenum> For video output + -ao oss:<devicefile> For audio output + -ac hwac3 For digital audio output instead of analog + -vc mpegpes For mpeg playback + <devicenum> Number of device to use for playback (if you + have more than one card.). This can usually + be left out (-vo dxr3). + Mandrake 8.1 uses devfs by default. If you are + running mandrake 8.1 please use -vo dxr3:0 + <devicefile> Normally /dev/em8300_ma or + /dev/em8300_ma-<devicenum> + (-ao dxr3:/dev/em8300_ma). If left out the + default oss device will be used (normally + soundcard). MPEG-1, MPEG-2, VCD and DVD Notes -There are some notes to take into account here for optimum playback. -When playing any mpeg-(1/2) file, this including usage of the "-dvd" -and "-vcd" options you must either add the "-vc mpegpes" or edit -codecs.conf and make sure videocodec mpegpes is listed above mpeg12. -If you fail to do this you will only get software playback which kinda -spoils most of the useful features of this card except for tv-out ;). -Remember that if you edit the codecs.conf file and move the mpegpes -section will have to specify "-vc mpeg12" if you want to playback -any of these video types _without_ "-vo dxr3"! -Use -ac hwac3 if you want AC3 audio to be handled by hardware (please -send some feedback on this). +There are some important notes to take into account here for optimum playback. +MPlayer currently does not autodetect that the dxr3 can playback mpegs. So for +mpeg files, dvd's and vcd's you have to add -vc mpegpes to tell mplayer that +you are using a hardware accelerator. Otherwise mplayer will decode the movie +in software, which is much slower. +Note that you cannot use -vc mpegpes with movies that aren't mpeg 1 or 2 or +you will get an error message saying "Can't find codec for video format...". -DIVX Notes -When playing divx's add "-vc odivx" for maximum performance. -I've switched to mp1e from ffmpeg so it should be lightning fast now. -libmp1e currently does not work on nonx86 processor and nonmmx processors. -I'm in the process of fixing this. +* If you run mplayer as root, or set userid root it will use your pc's internal + realtime clockgenerator for syncing. (If your kernel supports it (It's + located in character devices and called "Enhanced realtime clock support")). + Some people report that this has improved playback (which it should), but + others have had problems with it. You will have to experiment yourself with + this to find your optimum setup. -Other codecs: -No "-vc <codec>" switches should be required as mplayer will autodetect. -If you find an unsupported codec please contact me! -* Avoid running mplayer as root or setuid root as rtc timing seems to - slow down playback on the dxr3 for some users. I will look into this - at a later point as this hardly qualifies as a severe bug * - - -4. Contacting me +3. Contacting me You can contact me either by e-mailing me, <dholm@iname.com> or by using icq: 798427 Feedback, bugreports and general suggestions are appreciated (preferably -by e-mail). My name is David Holm for those of you who are incapable of -reading a heading. ;) - - +by e-mail). |