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动联构师赵2000-20062006-20112011.5.联战应对IRISTM联视频处对视频转码辑滤镜轨间视频观赏视频处联视频处发CDNUploadServersTranscodingServers视频处联DV摄PC编辑传码CDN发PC观动联CDNUploadServersTranscodingServers联动联DV摄PC编辑传动时摄处传码CDN发CDN发PC观动时观产视频码@3.5~5Mbps@3072p,3~4.3Mbps@1080p,2~2.9Mbps@720p,0.8~1Mbps@480p,0.5Mbps@360p1Mbps@622p,500Kbps@378p,300Kbps@288p2Mbps@720p,500Kbps@360p,300Kbps@256p1500Kbps@576p,600Kbps@480p,300Kbps@320p,180Kbps@240p1.4Mbps发800Kbps@360p2.8Mbps发2.8Mbps800Kbps@480p512Kbps发512Kbps@360p联动联摄DV摄视频处PC软动应络线宽带3G码码单码观PC费连续时间时间时迟时较动视频临问题动终视频处3G络传观发时纷杂战应对标视频处实时摄导辑实时预览=360p=15fps观质显MP4+AAC+AVC发传发时3G观畅电办缩视频处过计15fps时66ms摄/码实时编码IO编码123123缓队缓队CPU资贵编码GPU资销资资VideoFramePoolAudioFramePoolVideoTexturePoolShaderPool动态帧动设备摄动态帧码时计帧时间码预测编码频AMRAACAndroid2.2录AMRiOS4AMR视频AVCBaselineProfileAVCMainProfileAndroidAVCMainProfile3GP渐iOSmp4metadataAndroid设备flash则载MOV3GP(*)flv/f4vmp4(*)iOSNativeYESYES-YESAndroidNative-YESYESYESFlash-YESYESYESHTML5YESYES-YESPlayerFormat3G络带宽稳资费优编码视频传码实现边边观码@选择WxHx(36)bps发热传远时负载发实时动发标编码视频务转码骤队传务弹传调务户IP络调热监预应发现动UGC视频纷杂户难发现动终标签户传视频时标签选择导标签户标签标签视频订阅欢标签视频订阅欢标签IRISTMInteractiveRenderingIntegratedSystemTimelineManagerOutputPreviewEncodeEngineRenderEngineDecodeEngineInputEffectManager术编码摄iOSCPUGPUGPU实时实时视频辑AndroidCPUGPUCPU编GPU实时实时发WebFlashHTML5GPUGPU实时实时iOSServerCPUCPUCPU实时iOS块实现图MMFoundationRenderEngineEncodeEngineDecodeEngineAudioDecoderVideoDecoderCaptureManagerMMDataStructureVideoFramePoolAudioFramePoolEffectManagerShaderPoolVideoTexturePoolScreenRenderObjTimelineManagerThreadManager视频专30UGC动视频视频动联视频视频见视频处验512Kbps码专业标质畅3G络视频传观验话题视频户Q&A间页@snda.com@vku