Microsoft DTV-DVD视频解码器不发送样本

时间:2010-07-30 14:25:37

标签: directshow

当我将Microsoft DTV-DVD视频解码器连接到我的变换滤镜时,它不会发送媒体样本。看起来它只在渲染器连接时才发送样本。为了连接到MS DTV-DVD视频解码器(与DXVA或类似的东西有关),我的变换应该满足哪些要求。 仅在某些MOV文件中发生这种情况。 这是DTV-DVD和Renderer之间的联系:

[Microsoft DTV-DVD Video Decoder]/(Video Output 1) -> [Video Renderer]/(VMR Input0)
      Major:   MEDIATYPE_Video
      Subtype: MEDIASUBTYPE_NV12
          bFixedSizeSamples:    TRUE
          bTemporalCompression: FALSE
          lSampleSize:          3342336
          cbFormat:             1152
      Format:  FORMAT_VIDEOINFO2
      VIDEOINFOHEADER2:
          rcSource:             (0,0,1920,1088)
          rcTarget:             (0,0,1920,1088)
          dwBitRate:            752026352
          dwBitErrorRate:       0
          AvgTimePerFrame:      333667
          dwInterlaceFlags:     129
          dwCopyProtectFlags:   1
          dwPictAspectRatioX:   1920
          dwPictAspectRatioY:   1088
          dwControlFlags:       679547009
      BITMAPINFOHEADER:
          biSize:               40
          biWidth:              2048
          biHeight:             -1088
          biPlanes:             1
          biBitCount:           12
          biCompression:        0x3231564E
          biSizeImage:          3342336
          biXPelsPerMeter:      0
          biYPelsPerMeter:      0
          biClrUsed:            0
          biClrImportant:       0

这是DTV-DVD和我的变换滤镜之间的连接:

[Microsoft DTV-DVD Video Decoder]/(Video Output 1) -> [Video Transform]/(XForm In)
      Major:   MEDIATYPE_Video
      Subtype: {30323449-0000-0010-8000-00AA00389B71}
          bFixedSizeSamples:    TRUE
          bTemporalCompression: FALSE
          lSampleSize:          3110400
          cbFormat:             1136
      Format:  FORMAT_VIDEOINFO2
      VIDEOINFOHEADER2:
          rcSource:             (0,0,1920,1080)
          rcTarget:             (0,0,1920,1080)
          dwBitRate:            746496746
          dwBitErrorRate:       0
          AvgTimePerFrame:      333333
          dwInterlaceFlags:     129
          dwCopyProtectFlags:   0
          dwPictAspectRatioX:   16
          dwPictAspectRatioY:   9
          dwControlFlags:       0
      BITMAPINFOHEADER:
          biSize:               40
          biWidth:              1920
          biHeight:             1080
          biPlanes:             1
          biBitCount:           12
          biCompression:        0x30323449
          biSizeImage:          3110400
          biXPelsPerMeter:      0
          biYPelsPerMeter:      0
          biClrUsed:            0
          biClrImportant:       0

1 个答案:

答案 0 :(得分:1)

它与dwCopyProtectFlags = 1有关!我认为该视频受版权保护。我有同样的问题,但没有找到答案喷气机。 您可以使用其他解码器(如ffdshow,

)进行尝试