大家好：
我使用DM8168 + DVRRDK4.0 H264 hightProfile编码
设置 码率控制算法为CBR后， VLC播放码流出现跳帧， 现象就是图像一闪一闪的， 下面附了一小段VLC录制的码流，
设置为VBR时 ， 图像正常
运行时编码参数如下：
[m3video] --------- CH 0 : H264 ENC : Dynamic Params -------
[m3video]
[m3video] videnc2DynamicParams -> inputHeight : 1080
[m3video] videnc2DynamicParams -> inputWidth : 1920
[m3video] videnc2DynamicParams -> refFrameRate : 30000
[m3video] videnc2DynamicParams -> targetFrameRate : 30000
[m3video] videnc2DynamicParams -> targetBitRate : 4000000
[m3video] videnc2DynamicParams -> intraFrameInterval : 30
[m3video] videnc2DynamicParams -> generateHeader : 0
[m3video] videnc2DynamicParams -> captureWidth : 1920
[m3video] videnc2DynamicParams -> forceFrame : -1
[m3video] videnc2DynamicParams -> interFrameInterval : 1
[m3video] videnc2DynamicParams -> mvAccuracy : 2
[m3video] videnc2DynamicParams -> sampleAspectRatioHeight : 1
[m3video] videnc2DynamicParams -> sampleAspectRatioWidth : 1
[m3video] videnc2DynamicParams -> ignoreOutbufSizeFlag : 1
[m3video] videnc2DynamicParams -> lateAcquireArg : -1
[m3video]
[m3video] rateControlParams -> rateControlParamsPreset : 1
[m3video] rateControlParams -> scalingMatrixPreset : 0
[m3video] rateControlParams -> rcAlgo : 1
[m3video] rateControlParams -> qpI : -1
[m3video] rateControlParams -> qpMaxI : 40
[m3video] rateControlParams -> qpMinI : 10
[m3video] rateControlParams -> qpP : -1
[m3video] rateControlParams -> qpMaxP : 40
[m3video] rateControlParams -> qpMinP : 10
[m3video] rateControlParams -> qpOffsetB : 4
[m3video] rateControlParams -> qpMaxB : 44
[m3video] rateControlParams -> qpMinB : 10
[m3video] rateControlParams -> allowFrameSkip : 0
[m3video] rateControlParams -> removeExpensiveCoeff : 0
[m3video] rateControlParams -> chromaQPIndexOffset : 0
[m3video] rateControlParams -> IPQualityFactor : 0
[m3video] rateControlParams -> initialBufferLevel : 2000000
[m3video] rateControlParams -> HRDBufferSize : 2000000
[m3video] rateControlParams -> minPicSizeRatioI : 0
[m3video] rateControlParams -> maxPicSizeRatioI : 640
[m3video] rateControlParams -> minPicSizeRatioP : 0
[m3video] rateControlParams -> maxPicSizeRatioP : 0
[m3video] rateControlParams -> minPicSizeRatioB : 0
[m3video] rateControlParams -> maxPicSizeRatioB : 0
[m3video] rateControlParams -> enablePRC : 1
[m3video] rateControlParams -> enablePartialFrameSkip : 0
[m3video] rateControlParams -> discardSavedBits : 1
[m3video] rateControlParams -> VBRDuration : 8
[m3video] rateControlParams -> VBRsensitivity : 0
[m3video] rateControlParams -> skipDistributionWindowLength : 5
[m3video] rateControlParams -> numSkipInDistributionWindow : 2
[m3video] rateControlParams -> enableHRDComplianceMode : 1
[m3video] rateControlParams -> frameSkipThMulQ5 : 0
[m3video] rateControlParams -> vbvUseLevelThQ5 : 0
[m3video]
[m3video] interCodingParams -> interCodingPreset : 0
[m3video] interCodingParams -> searchRangeHorP : 144
[m3video] interCodingParams -> searchRangeVerP : 32
[m3video] interCodingParams -> searchRangeHorB : 144
[m3video] interCodingParams -> searchRangeVerB : 16
[m3video] interCodingParams -> interCodingBias : 1
[m3video] interCodingParams -> skipMVCodingBias : 1
[m3video] interCodingParams -> minBlockSizeP : 0
[m3video] interCodingParams -> minBlockSizeB : 0
[m3video] interCodingParams -> meAlgoMode : 0
[m3video]
[m3video] intraCodingParams -> intraCodingPreset : 0
[m3video] intraCodingParams -> lumaIntra4x4Enable : 0
[m3video] intraCodingParams -> lumaIntra8x8Enable : 255
[m3video] intraCodingParams -> lumaIntra16x16Enable : 15
[m3video] intraCodingParams -> chromaIntra8x8Enable : 15
[m3video] intraCodingParams -> chromaComponentEnable : 1
[m3video] intraCodingParams -> intraRefreshMethod : 0
[m3video] intraCodingParams -> intraRefreshRate : 0
[m3video] intraCodingParams -> gdrOverlapRowsBtwFrames : 0
[m3video] intraCodingParams -> constrainedIntraPredEnable : 0
[m3video] intraCodingParams -> intraCodingBias : 12
[m3video]
[m3video] sliceCodingParams -> sliceCodingPreset : 1
[m3video] sliceCodingParams -> sliceMode : 8608
[m3video] sliceCodingParams -> sliceUnitSize : 8672
[m3video] sliceCodingParams -> sliceStartOffset : [2 33 2]
[m3video] sliceCodingParams -> streamFormat : 0
[m3video]
[m3video] sliceGroupChangeCycle : 3072
[m3video] searchCenter : 0
[m3video] enableStaticMBCount : 0
[m3video] enableROI : 262400
[m3video]
[m3video]
