电影播放有问题，解码器问题么？

woodenapple

我使用的是gentoo，9月份刚刚装的，相信安装的mplayer因该是最新的（包括解码器的包）。但是下载了一些电影，大部分还好，就是有几部电影声音有问题，播放速度有问题，视频音频都比平时慢一倍，听起来就象用慢速播放磁带，小孩的声音听起来像老头。咋回事呢？

MPlayer 1.0pre7try2-3.3.5-20050130 (C) 2000-2005 MPlayer Team
CPU: Advanced Micro Devices Athlon MP/XP/XP-M Barton (Family: 6, Stepping: 0)
Detected cache-line size is 64 bytes
MMX2 supported but disabled
3DNowExt supported but disabled
CPUflags:  MMX: 1 MMX2: 0 3DNow: 1 3DNow2: 0 SSE: 1 SSE2: 0
Compiled for x86 CPU with extensions: MMX 3DNow SSE



85 audio & 196 video codecs
Playing /media/eMule/incoming/Doraemon Collection 1979 Cd1 Dvdrip Xvid-Newmov.avi.
Cache fill:  7.62% (638976 bytes)    AVI file format detected.
VIDEO:  [XVID]  512x384  12bpp  23.976 fps  795.6 kbps (97.1 kbyte/s)
Clip info:
Software: VirtualDubMod 1.4.13
==========================================================================
Opening audio decoder: [mp3lib] MPEG layer-2, layer-3
AUDIO: 32000 Hz, 2 ch, s16le, 96.0 kbit/9.38% (ratio: 12000->128000)
Selected audio codec: [mp3] afm:mp3lib (mp3lib MPEG layer-2, layer-3)
==========================================================================
vo: X11 running at 1024x768 with depth 24 and 32 bpp (":0.0" => local display)
==========================================================================
Opening video decoder: [ffmpeg] FFmpeg's libavcodec codec family
Selected video codec: [ffodivx] vfm:ffmpeg (FFmpeg MPEG-4)
==========================================================================
Checking audio filter chain for 32000Hz/2ch/s16le -> 32000Hz/2ch/s16le...
AF_pre: 32000Hz/2ch/s16le
AO: [oss] 32000Hz 2ch s16le (2 bps)
Building audio filter chain for 32000Hz/2ch/s16le -> 32000Hz/2ch/s16le...
Starting playback...
VDec: vo config request - 512 x 384 (preferred csp: Planar YV12)
VDec: using Planar YV12 as output csp (no 0)
Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
VO: [xv] 512x384 => 512x384 Planar YV12
A:   1.8 V:   1.8 A-V: -0.005 ct: -0.046  44/ 44 12%  0%  0.8% 0 0 95%