diff options
Diffstat (limited to 'DOCS')
| -rw-r--r-- | DOCS/codecs.html | 5 | ||||
| -rw-r--r-- | DOCS/documentation.html | 2 | ||||
| -rw-r--r-- | DOCS/video.html | 77 |
3 files changed, 51 insertions, 33 deletions
diff --git a/DOCS/codecs.html b/DOCS/codecs.html index 0c8eeae610..1915cf0a77 100644 --- a/DOCS/codecs.html +++ b/DOCS/codecs.html @@ -335,8 +335,9 @@ <P>You need an AC3 capable sound card, with digital out (SP/DIF). The card's driver must properly support the AFMT_AC3 format (C-Media does). Connect your AC3 decoder to the SP/DIF output, and use the <CODE>-ac hwac3</CODE> - option. It is experimental but known to work with C-Media cards and - Soundblaster Live! using ALSA (but not OSS) drivers.</P> + option. It is experimental but known to work with C-Media cards, + Soundblaster Live! using ALSA (but not OSS) drivers and DXR3/Hollywood+ MPEG + decoder cards.</P> <H4><A NAME="libmad">2.2.2.3 libmad support</A></H4> diff --git a/DOCS/documentation.html b/DOCS/documentation.html index 2a347c0110..5c5bbe5498 100644 --- a/DOCS/documentation.html +++ b/DOCS/documentation.html @@ -150,7 +150,7 @@ <LI><A HREF="video.html#vidix">2.3.1.14 VIDIX</A></LI> <LI><A HREF="video.html#zr">2.3.1.15 Zr</A></LI> <LI><A HREF="video.html#dvb">2.3.1.16 DVB</A></LI> - <LI><A HREF="video.html#dxr3">2.3.1.17 DXR3</A></LI> + <LI><A HREF="video.html#dxr3">2.3.1.17 DXR3/Hollywood+</A></LI> <LI><A HREF="video.html#tv-out">2.3.1.A TV-out support</A> <UL> <LI><A HREF="video.html#tv-out_matrox">2.3.1.A.1 Matrox G400 cards</A></LI> diff --git a/DOCS/video.html b/DOCS/video.html index 274a247fb4..f33a9f5e83 100644 --- a/DOCS/video.html +++ b/DOCS/video.html @@ -1176,53 +1176,68 @@ for 16:9 TV: -vop lavc,expand=-1:576:-1:-1:1,scale=-1:0,dvbscale=1024 decompression).</P> -<H4><A NAME="dxr3">2.3.1.17 DXR3</A></H4> +<H4><A NAME="dxr3">2.3.1.17 DXR3/Hollywood+</A></H4> <P><B>MPlayer</B> supports hardware accelerated playback with the Creative DXR3 - and Sigma Designs Hollywood Plus cards.</P> + and Sigma Designs Hollywood Plus cards. These cards both use the em8300 MPEG + decoder chip from Sigma Designs.</P> <P>First of all you will need properly installed DXR3/H+ drivers, version 0.12.0 or later. You can find the drivers and installation instructions at the <A HREF="http://dxr3.sourceforge.net/">DXR3 & Hollywood Plus for Linux</A> site. Configure should detect your card automatically, compilation - should go without any problems.</P> + should go without problems.</P> <H4>Usage:</H4> <DL> - <DT><CODE>-vo dxr3:<noprebuf>:<codec>:<device></CODE></DT> - <DD>Where <CODE><noprebuf></CODE> specifies turning off prebuffering. - This is done automatically on Athlons. If playback is out of sync try - disabling prebuffering. If noprebuf is left out prebuffering is enabled - (except on Athlons). - <BR> - <CODE><codec></CODE> = fame/avcodec, avcodec produces better quality - output, but fame is faster for those of you with slow machines. The default is - to use libavcodec. Note that you need libavcodec properly installed (read - DOCS/codecs.html). - <BR> + <DT><CODE>-vo dxr3:noprebuf:<device></CODE></DT> + <DD><CODE>noprebuf</CODE> turns off prebuffering. Prebuffering is a feature + of the em8300 chip that enables it to hold more than one frame of video at + a time. This means that when you are running with prebuffering (default) + <B>MPlayer</B> will try to keep the video buffer filled with data at all + times. If you are on a slow machine <B>MPlayer</B> will probably use close + to, or precisely 100% of CPU. This is especially common if you play pure MPEG + streams (like DVDs, SVCDs a.s.o.) since <B>MPlayer</B> will not have to + reencode it to MPEG it will fill the buffer very fast.<BR> + With prebuffering video playback is <B>much</B> less sensitive to other + programs hogging the CPU, it will not drop frames unless applications hog + the CPU for a long time.<BR> + Prebuffering does not work on all machines (especially Athlons where it is + turned off automatically). If you experience problems with video/audio sync + use <CODE>noprebuf</CODE>. When running without prebuffering the em8300 is + much more sensitive to CPU load, so it is highly suggested that you turn on + <B>MPlayer's</B> <CODE>-framedrop</CODE> option to avoid further loss of + sync.<BR> <CODE><device></CODE> = device number to use if you have more than one em8300 card. <BR> Any of these options may be left out, but they must be specified in this - order, i.e. <CODE>dxr3:fame</CODE> works, <CODE>dxr3:1</CODE> works, but - <CODE>dxr3:1:avcodec</CODE> will not.</DD> + exact order, i.e. <CODE>dxr3:noprebuf</CODE> works, <CODE>dxr3:1</CODE> + works, but <CODE>dxr3:1:noprebuf</CODE> will not.</DD> <DT><CODE>-ao oss:/dev/em8300_ma-X</CODE></DT> <DD>For audio output, where <CODE>X</CODE> is the device number (0 if one card).</DD> - <DT><CODE>-ac hwac3</CODE></DT> - <DD>For digital instead of analog audio output.</DD> - - <DT><CODE>-vc mpegpes</CODE></DT> - <DD>Force hardware acceleration, only works with MPEG1/2.</DD> - <DT><CODE>-aop list=resample:fout=xxxxx</CODE></DT> - <DD>If sample rate is below 44100Hz, select either 44100Hz or 48000Hz - depending on which one matches closest. I.e. if the movie uses 22050Hz use - 44100Hz as 44100 / 2 = 22050, if it is 24000Hz use 48000Hz as 48000 / 2 = 24000 - and so on. This does not work with digital audio output - (<CODE>-ac hwac3</CODE>).</DD> + <DD>The em8300 cannot play back samplerates lower than 44100Hz. If the sample + rate is below 44100Hz select either 44100Hz or 48000Hz depending on which + one matches closest. I.e. if the movie uses 22050Hz use 44100Hz as + 44100 / 2 = 22050, if it is 24000Hz use 48000Hz as 48000 / 2 = 24000 and so + on. This does not work with digital audio output (<CODE>-ac hwac3</CODE>).</DD> + + <DT><CODE>-vop lavc/fame</CODE></DT> + <DD>To watch non-MPEG content on the em8300 (i.e. DivX or RealVideo) you have + to specify an MPEG1 video filter such as libavcodec (lavc) or libfame + (fame). At the moment lavc is both faster and gives better image quality, it + is suggested that you use that unless you have problems with it. See the man + page for further info about <CODE>-vop lavc/fame</CODE>.</DD> + + <DT><CODE>-ac hwac3</CODE></DT> + <DD>The em8300 supports playing back AC3 audio (surround sound) through the + digital audio output of the card. Read + <A HREF="codecs.html#hardware_ac3">hardware AC3</A> section for further + information on AC3.</DD> </DL> <H4>Overlay</H4> @@ -1236,14 +1251,16 @@ for 16:9 TV: -vop lavc,expand=-1:576:-1:-1:1,scale=-1:0,dvbscale=1024 <P>MPEG1/2 content should now automatically be detected by <B>MPlayer</B> and it will use the hardware acceleration of the DXR3 to play it. If not, you can force it to hardware acceleration with <CODE>-vc mpegpes</CODE>. Also, if you - plan to use any postprocessing filters you must use <CODE>-vc - mpeg12</CODE>.</P> + plan to use postprocessing filters you must use <CODE>-vc mpeg12</CODE>.</P> <P>In some instances, subtitles may not appear properly in sync with the A/V stream when using hardware decoding (<CODE>-vc mpegpes</CODE>). This is a known bug. The em8300 will also improperly handle subtitles that are too big, and may hang for a second or two. At this time, the only workaround is to use - <CODE>-vc mpeg12</CODE> when viewing DVDs with subtitles.</P> + <CODE>-vc mpeg12</CODE> when viewing DVDs with subtitles. When running with + <CODE>-vc mpeg12</CODE> <B>MPlayer</B> will reencode video to MPEG (even if it + already is MPEG). This means that it will need more CPU power, and you might + loose some picture quality.</P> <H4><A NAME="tv-out">2.3.1.A TV-out support</A></H4> |