mplayer播放视频不流畅、发顿的问题？

blackwhite

我的系统应该还可以，3200+ amd64, 2G MEM. 但是用mplayer播放影片的时候，一直有个问题，播放视频不流畅，过会儿，就会突然发顿一下，我不知道哪里出问题了？

emerge --info
Portage 2.1.2.9 (default-linux/amd64/2007.0/desktop, gcc-4.1.2, glibc-2.5-r3, 2.6.20-gentoo-r8 x86_64)
=================================================================
System uname: 2.6.20-gentoo-r8 x86_64 AMD Athlon(tm) 64 Processor 3200+
Gentoo Base System release 1.12.9
Timestamp of tree: Fri, 20 Jul 2007 18:00:01 +0000
dev-java/java-config: 1.3.7, 2.0.33-r1
dev-lang/python:     2.4.4-r4
dev-python/pycrypto: 2.0.1-r5
sys-apps/sandbox:    1.2.17
sys-devel/autoconf:  2.13, 2.61
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r2, 1.10
sys-devel/binutils:  2.17
sys-devel/gcc-config: 1.3.16
sys-devel/libtool:   1.5.23b
virtual/os-headers:  2.6.17-r2
ACCEPT_KEYWORDS="amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=k8 -fomit-frame-pointer -pipe -O2"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/3.5/env /usr/kde/3.5/share/config /usr/kde/3.5/shutdown /usr/share/X11/app-defaults /usr/share/X11/xkb /usr/share/config"
CONFIG_PROTECT_MASK="/etc/env.d /etc/env.d/java/ /etc/gconf /etc/revdep-rebuild /etc/terminfo"
CXXFLAGS="-march=k8 -fomit-frame-pointer -pipe -O2"
DISTDIR="/usr/portage/distfiles"
FEATURES="distlocks metadata-transfer sandbox sfperms strict"
GENTOO_MIRRORS="http://mirror.utdlug.org/linux/distributions/gentoo  http://128.104.70.13/gentoo/ http://gentoo.osuosl.org http://www.ibiblio.org/pub/Linux/distributions/gentoo"
LANG="en_US.UTF-8"
MAKEOPTS="-j2"
PKGDIR="/usr/portage/packages"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --delete-after --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages --filter=H_**/files/digest-*"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X acl acpi alsa amd64 avi berkdb bitmap-fonts cairo cdr cli cracklib crypt cups dbus dri dvd dvdr dvdread eds emboss encode esd evo fam firefox fortan fortran gdbm gif gpm gstreamer gtk gtk2 hal iconv isdnlog jpeg kde kdeenablefinal kdexdeltas kerberos ldap libg++ mad midi mikmod mmx mp3 mpeg mudflap ncurses nls nptl nptlonly ogg opengl openmp oss pam pcre pdf perl png pppd python qt3 qt3support qt4 quicktime readline reflection sdl session spell spl sse sse2 ssl svg symlink tcpd tiff truetype truetype-fonts type1-fonts unicode vorbis xml xorg xv xvid zlib" ALSA_CARDS="intel8x0" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mulaw multi null plug rate route share shm softvol" ELIBC="glibc" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" USERLAND="GNU" VIDEO_CARDS="fglrx"
Unset:  CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LC_ALL, LDFLAGS, LINGUAS, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS, PORTDIR_OVERLAY

emerge mplayer -pv

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ] media-video/mplayer-1.0.20070622-r1  USE="3dnow 3dnowext X a52 aac aalib alsa arts bidi cdparanoia cpudetection dga doc dts dv dvb dvd encode esd fbcon ggi gif iconv ipv6 jack joystick jpeg libcaca live lzo mad mmx mp3 nas opengl oss png quicktime real rtc sdl srt sse sse2 tga theora truetype unicode v4l v4l2 vorbis x264 xanim xinerama xv xvid xvmc (-altivec) -amrnb -amrwb -bindist -bl -cddb -custom-cflags -debug -directfb -dvdnav -enca -ftp -gtk -ivtv -lirc -livecd -md5sum -mmxext -mp2 -musepack -openal -pnm -radio -rar -samba -speex -ssse3 (-svga) -tivo (-vidix) (-win32codecs) -zoran" VIDEO_CARDS="-mga -s3virge -tdfx -vesa" 0 kB

ZDN

你播放什么视频?
如果是dvd或者光盘上的视频的话,你要确认光驱打开了DMA.

1. 
   
2. emerge hdparm
   
3. hdpram -i /dev/cdrom
   

复制代码

blackwhite

网上下载的dvix的视频，很怪。不是DMA的问题。