基于DirectShow的視頻播放系統(tǒng)研究與實現(xiàn).pdf

1、華中科技大學碩士學位論文基于DirectShow的視頻播放系統(tǒng)研究與實現(xiàn)姓名：黃穎申請學位級別：碩士專業(yè)：通信與信息系統(tǒng)指導教師：何建華20060508IIAbstractAstherapiddevelopmentofIntertechnologystreamingmediacommunicationtechnologyhasbecomeoneofthekeyresearchareasofmodernwktechnology.Resea

2、rchimplementationofrelevanttechnologiessuchasrealtimevideocaptureencodingtransptationplayetc.arececomponentsinstreamingmediacommunicationareatheyhaveprofoundinfluenceinsoftwareengineeringapplication.Inthisthesisdigitalvi

3、deocaptureencodingtransptationtechnologisbasedonstreamingmediaarestudiedavideoplaysystemisdesignedimplemented.Sincerealtimevideocommunicationhashighrequirementinbwidthlatencyittakesvariousmodelstocooperatetoimplementsyst

4、emfunction.It’snecessarytohaveefficientencodingmethodseffectiverealtimetransptationstrategyflexibledevelopingplatfm.FocusingontheserequirementstheadvancedXviDCodecRTPRTCPprotocolsCOMbasedDirectShowplatfmareusedinsystemde

5、signimplementation.TheMPEG4stardencodingalgithmsarestudiedtheprincipleofRTPRTCPprotocolspackagefmatareanalyzedtheprocessofvideotransptationcontroltheyisintroducedinthisthesis.Thentheframewkmaincomponentswkingmechanismapp

6、licationdevelopingmethodsofDirectShowplatfmarethoughlydescribed.Intheimplementationsectionthesystemframewkfunctionmodulessoftwaredevelopingprocessaredesignedthedevelopmentofwksenderreceivermodulesisdescribedindetailrelev

7、antDirectShowcomponentsareutilizedtoconstructfullconnectedFilterGraphcompleteframewkconstruction.Thedatacommunicationproblembetweensenderreceiverpartsissolvedbythedesignofmultithreadsystemstructuretransfmationbufferingme

8、chanismofdifferentdatafmatencapsulationofwktransptationfunctioninsenderreceiverfilters.Asoftwareprototypefrealtimevideocaptureprocessingtransptationplaywhichisthemainpartofmultimediacommunicationprojectisdesignedimplemen