谁帮我看看原因，前几天看这个片子还没有问题，现在看任何影片都提示无法解析媒体中某些媒体流





F:\喜剧片\恋爱高手\恋爱高手.CD2.rmvb::Output 00 (Audio Stream)

RealAudio Decoder::XForm Out

Audio Switcher::Out



Media Type 0:

--------------------------

Audio: PCM 44100Hz stereo 1411Kbps



AM_MEDIA_TYPE:

majortype: MEDIATYPE_Audio {73647561-0000-0010-8000-00AA00389B71}

subtype: MEDIASUBTYPE_PCM {00000001-0000-0010-8000-00AA00389B71}

formattype: FORMAT_WaveFormatEx {05589F81-C356-11CE-BF01-00AA0055595A}

bFixedSizeSamples: 1

bTemporalCompression: 1

lSampleSize: 14880

cbFormat: 18



WAVEFORMATEX:

wFormatTag: 0x0001

nChannels: 2

nSamplesPerSec: 44100

nAvgBytesPerSec: 176400

nBlockAlign: 4

wBitsPerSample: 16

cbSize: 0 (extra bytes)



pbFormat:

0000: 01 00 02 00 44 ac 00 00 10 b1 02 00 04 00 10 00 ....D.........

0010: 00 00                                           ..