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Nuplayer mid-range video synchronization relies mainly on anchor time recorded in MediaClock, so look at the MediaClock class first 1,1 MediaClock::MediaClock()     : mAnchorTimeMediaUs(-1),       mAnchorTimeRealUs(-1),       mMaxTimeMediaUs(INT64_MAX),       mStartingTimeMediaUs(-1),       mPlaybackRate(1.0) { } 1.2 Anchor point time update v ...

background When it comes to exception handling, you may directly think that it's not a try-catch thing. As for writing an article to explain it separately? If you think so, this article may surprise you.~ And this article focuses on the exception handling of the image. scene Learning to apply, there are specific application scenarios, can deep ...

elastic: https://www.elastic.co/ In order to facilitate centralized viewing of the business logs of multiple hosts, we use Filebeat, Redis, Logstash to collect: (1) Filebeat monitors the changes of log files and writes the new part into redis. The log of each line is the data of a list set of specified key s in redis. (2) LogStash monitors t ...

This paper is a learning note based on Linux version number of mini2440 development board linux-2.6.32.2 I. control Interface Description Control interface mainly allows user space applications (alsa-lib) to access and control audio codec chip multiplexers, sliding controls and so on. 2. open of control interface According t ...