編解碼器和 DSP IPropertyBag 常數
使用 IPropertyBag 介面或 IPropertyStore 介面，以程式設計方式在編解碼器和 DSP 物件上設定屬性的方法有兩種。 最常見的屬性可透過這兩個介面取得。 最好使用 IPropertyStore 介面，而非 IPropertyBag。
| IPropertyBag 字串常數 | IPropertyStore 屬性金鑰 |
|---|---|
| g_wszAvgFrameRate | MFPKEY_ASFOVERHEADPERFRAME |
| g_wszWMACAvgBytesPerSecond | MFPKEY_WMAENC_AVGBYTESPERSEC |
| g_wszWMACDRCSetting | MFPKEY_WMADEC_DRCMODE |
| g_wszWMACHiResOutput | MFPKEY_WMADEC_HIRESOUTPUT |
| g_wszWMACMusicSpeechClassMode | MFPKEY_WMAVOICE_ENC_MusicSpeechClassMode |
| g_wszWMACOriginalWaveFormat | MFPKEY_WMAENC_ORIGWAVEFORMAT |
| g_wszWMACSpeakerConfig | MFPKEY_WMADEC_SPKRCFG |
| g_wszWMACVoiceBuffer | MFPKEY_WMAVOICE_ENC_BufferWindow |
| g_wszWMACVoiceBuffer | MFPKEY_WMAVOICE_ENC_EDL |
| g_wszWMADRCAverageReference | MFPKEY_WMADRC_AVGREF |
| g_wszWMADRCAverageTarget | MFPKEY_WMADRC_AVGTARGET |
| g_wszWMADRCPeakReference | MFPKEY_WMADRC_PEAKREF |
| g_wszWMADRCPeakTarget | MFPKEY_WMADRC_PEAKTARGET |
| g_wszWMCPAudioVBRQuality | MFPKEY_VBRQUALITY |
| g_wszWMCPAudioVBRSupported | MFPKEY_VBRENABLED |
| g_wszWMCPMaxPasses | MFPKEY_PASSESRECOMMENDED |
| g_wszWMVCAvgBitrate | MFPKEY_RAVG |
| g_wszWMVCBAvg | MFPKEY_BAVG |
| g_wszWMVCBDeltaQP | MFPKEY_BDELTAQP |
| g_wszWMVCBMax | MFPKEY_BMAX |
| g_wszWMVCBufferFullnessInFirstByte | MFPKEY_BUFFERFULLNESSINFIRSTBYTE |
| g_wszWMVCCodedFrames | MFPKEY_CODEDFRAMES |
| g_wszWMVCComplexityEx | MFPKEY_COMPLEXITYEX |
| g_wszWMVCComplexityMode | MFPKEY_COMPLEXITY |
| g_wszWMVCCompressionOptimizationType | MFPKEY_COMPRESSIONOPTIMIZATIONTYPE |
| g_wszWMVCCrisp | MFPKEY_CRISP |
| g_wszWMVCDecoderComplexityProfile | MFPKEY_DECODERCOMPLEXITYPROFILE |
| g_wszWMVCDecoderComplexityRequested | MFPKEY_DECODERCOMPLEXITYREQUESTED |
| g_wszWMVCDecoderDeinterlacing | MFPKEY_DECODER_DEINTERLACING |
| g_wszWMVCDenoiseOption | MFPKEY_DENOISEOPTION |
| g_wszWMVCEndOfPass | MFPKEY_ENDOFPASS |
| g_wszWMVCForceFrameHeight | MFPKEY_FORCEFRAMEHEIGHT |
| g_wszWMVCForceFrameWidth | MFPKEY_FORCEFRAMEWIDTH |
| g_wszWMVCForceMedianSetting | MFPKEY_FORCEMEDIANSETTING |
| g_wszWMVCFOURCC | MFPKEY_FOURCC |
| g_wszWMVCInterlacedCodingEnabled | MFPKEY_INTERLACEDCODINGENABLED |
| g_wszWMVCLookAhead | MFPKEY_LOOKAHEAD |
| g_wszWMVCLoopFilter | MFPKEY_LOOPFILTER |
| g_wszWMVCMacroblockModeCostMethod | MFPKEY_MACROBLOCKMODECOSTMETHOD |
| g_wszWMVCMaxBitrate | MFPKEY_RMAX |
| g_wszWMVCMotionMatchMethod | MFPKEY_MOTIONMATCHMETHOD |
| g_wszWMVCMotionSearchLevel | MFPKEY_MOTIONSEARCHLEVEL |
| g_wszWMVCMotionSearchRange | MFPKEY_MOTIONSEARCHRANGE |
| g_wszWMVCNoiseEdgeRemoval | MFPKEY_NOISEEDGEREMOVAL |
| g_wszWMVCNumThreads | MFPKEY_NUMTHREADS |
| g_wszWMVCPassesRecommended | MFPKEY_PASSESRECOMMENDED |
| g_wszWMVCPassesUsed | MFPKEY_PASSESUSED |
| g_wszWMVCPerceptualOptLevel | MFPKEY_PERCEPTUALOPTLEVEL |
| g_wszWMVCProduceDummyFrames | MFPKEY_PRODUCEDUMMYFRAMES |
| g_wszWMVCRangeRedux | MFPKEY_RANGEREDUX |
| g_wszWMVCTotalFrames | MFPKEY_TOTALFRAMES |
| g_wszWMVCVBREnabled | MFPKEY_VBRENABLED |
| g_wszWMVCVBRQuality | MFPKEY_VBRQUALITY |
| g_wszWMVCVideoScaling | MFPKEY_VIDEOSCALING |
| g_wszWMVCVType | MFPKEY_VTYPE |
| g_wszWMVCZeroByteFrames | MFPKEY_ZEROBYTEFRAMES |
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