DM6446开发环境，调用音频，视频的例子，当有声音输入时录像，没有时播放-DM6446 development environment, call audio, video examples, when the voice input video, there is no play when

使用DSP达芬奇双核芯片处理视频画面捕获时，一般有标清和高清两种数据源，高清视频数据一般采用Component输入采集720P视频画面。720P采集时需要调用到DMAI接口来处理，本程序是在调用DMAI接口和V4L2接口来处理720P视频的采集部分源代码。-DSP DaVinci dual-core chip processing video screen capture, there are generally two types of data sources in SD and HD, h