如题，下载完成后播放时只有声音，是不是缺少什么解码器？请各位老大帮忙，多谢了~~~~
播放时出现的提示：
Media Type 0:
--------------------------
AM_MEDIA_TYPE:
majortype: MEDIATYPE_Video({73646976-0000-0010-8000-00AA00389B71})
subtype: Unknown({41564D57-0000-0010-8000-00AA00389B71})
formattype: FORMAT_VideoInfo2({F72A76A0-EB0A-11D0-ACE4-0000C0CC16BA})
bFixedSizeSamples: False
bTemporalCompression: False
lSampleSize: 1
cbFormat: 134
pbFormat: $00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3B 5D 06 00 00 00 00 00 00 00 00 00 00 00 00 00 50 03 00 00 E0 01 00 00 00 00 00 00 00 00 00 00 3E 00 00 00 50 03 00 00 E0 01 00 00 01 00 18 00 57 4D 56 41 52 76 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 25 00 00 01 0F D3 7E 1A 70 EF 80 80 00 00 01 0E 18 44 69 C3 BC 80
VIDEOINFOHEADER:
rcSource: (0,0)-(0,0)
rcTarget: (0,0)-(0,0)
dwBitRate: 0
dwBitErrorRate: 0
AvgTimePerFrame: 417083
VIDEOINFOHEADER2:
dwInterlaceFlags: $00000000
dwCopyProtectFlags: $00000000
dwPictAspectRatioX: 848
dwPictAspectRatioY: 480
dwControlFlags: $00000000
dwReserved2: $00000000
BITMAPINFOHEADER:
biSize: 62
biWidth: 848
biHeight: 480
biPlanes: 1
biBitCount: 24
biCompression: WMVA
biSizeImage: 95826
biXPelsPerMeter: 0
biYPelsPerMeter: 0
biYPelsPerMeter: 0
biClrUsed: 0
biClrImportant: 0
--------------------
[文件信息]
--------------------
G:\[POPGO][FREEWIND][My-OTOHiME_Zwei][DVDRIP][WMVA][02]\[POPGO][FREEWIND][My-OTOHiME_Zwei][DVDRIP][WMVA_AC3][02].mkv
General
Complete name : G:\[POPGO][FREEWIND][My-OTOHiME_Zwei][DVDRIP][WMVA][02]\[POPGO][FREEWIND][My-OTOHiME_Zwei][DVDRIP][WMVA_AC3][02].mkv
Format : Matroska
File size : 350 MiB
PlayTime : 26mn 11s
Bit rate : 1867 Kbps
Encoded date : UTC 2007-02-23 13:34:19
Writing application : mkvmerge v2.0.0 ('After The Rain Has Fallen') built on Jan 13 2007 19:58:56
Writing library : libebml v0.7.7 + libmatroska v0.8.0
Video #1
Codec : V_MS/VFW/FOURCC
PlayTime : 26mn 10s
Width : 848 pixels
Height : 480 pixels
Aspect ratio : 16/9
Frame rate : 23.976 fps
Language : Japanese
Audio #2
Codec : AC3
Codec/Info : Dolby AC3
Channel(s) : 6 channels
Sampling rate : 48 KHz
Language : Japanese
--------------------
[系统信息]
--------------------
CPU 0: 1594MHz, Intel(R) Pentium(R) M processor 1.60GHz, x86 Family 6 Model 13 Stepping 6
OS: Windows XP Professional(Version 5.1 Build 2600) Service Pack 2
Video: Intel(R) 82852/82855 GM/GME Graphics Controller
DirectX: 9.0c(4.09.00.0904)
Memory: All: 506,288 KB, Available: 154,916 KB, Used: 69%
CodePage: 936, Charset:1
Instruction: MMX MMX2 SSE SSE2
[System Process]
System
SMSS.EXE
CSRSS.EXE
WINLOGON.EXE
SERVICES.EXE
LSASS.EXE
SVCHOST.EXE
SVCHOST.EXE
SVCHOST.EXE
EvtEng.exe
S24EvMon.exe
WLKEEPER.EXE
SVCHOST.EXE
SVCHOST.EXE
KWatch.EXE
CDAC11BA.EXE
KPFWSvc.EXE
RegSrvc.exe
ALG.EXE
SVCHOST.EXE
ZCfgSvc.exe
Explorer.EXE
SynTPLpr.exe
SynTPEnh.exe
hkcmd.exe
KAVStart.EXE
CnxDslTb.exe
ctfmon.exe
KMailMon.EXE
GreenBrowser.exe
mplayerc.exe
--------------------
PLAYBACK INFO
--------------------
[主要滤镜链接]
0) - [POPGO][FREEWIND][My-OTOHiME_Zwei][DVDRIP][WMVA_AC3][02].mkv
1) - AVI<->AC3/DTS
2) - InterVideo Audio Decoder
3) - KMP Stream Switcher(Copy Transform)
4) - DirectSound Audio Renderer
[视频信息]
解码器 -No codec
[音频信息]
解码器 -No codec
[基本音频 DSP]
Internal brightness: 100%
[高级视频 DSP]
+Video Plugin
[音频 DSP]
+All Audio DSPs are disabled!
+Pre amplification: Main: (100%)
+Audio Plugin
[字幕设置]
+Draw Mode(Selected): Image
+Draw Mode(In use): On Overlay
+Text Rendering Method: Rasterizer
+Support HTML Tags(SMI)
[KMPlayer]
+Version: 2.9.3.1210(5,307,392, 2007-1-5 1:06:00)
+libcodec.dll: Exist(3,885,056, 2007-1-5 0:23:56)
+libmplay.dll: Missed
+PProcDLL.dll: Exist(1,347,584, 2006-12-12 23:17:08)
+LibDTS.dll: Exist(225,280, 2006-4-29 9:54:52)
+liba52.dll: Missed
+libfaad2.dll: Missed
+libmad.dll: Missed
+libmpeg2.dll: Missed
+theora.dll: Missed
+OggVorbis.dll: Missed
+xviddll.dll: Missed
+wmploc.dll: Missed
+wmpui.dll: Missed
+Old_QUARTZ.DLL: Missed
+AboutDll.dll: Missed
+DTView.dll: Missed
+MPlayer.dll: Missed
+ImLoader.dll: Missed
