达芬奇软件架构及开发流程(For).ppt

* 由于Linux应用程序会使用到DSP，这就涉及到双核通信问题。Cdece Engine… * 由于Linux应用程序会使用到DSP，这就涉及到双核通信问题。Cdece Engine… * 由于Linux应用程序会使用到DSP，这就涉及到双核通信问题。Cdece Engine… * 由于Linux应用程序会使用到DSP，这就涉及到双核通信问题。Cdece Engine… * * * * * * * * * * * * * * * * * * * * * Now I’m going to go one layer lower into our software stack Application layer(APL): User space and kernel space Kernel space has the real-time drivers Access through EPSI (Easy Peripheral Software Interface) The APL at a lower level is bridged into the SPL through DSP/BIOS link Everything in this stack is provided by TI except for the Customer Value-Added Differentiation box Signal Processing Layer We have the 4 different types of multimedia codecs (VISA) thus the VISA API The four types are Video, Imaging, Speech and Audio Our arch also supports running a codec on the application layer, if you want to run some very compute intensive codecs like H.264 on the SPL you can run a lower level codec on the application layer leaving all the compute power of the SPL to the H.264 codec * Now I’m going to go one layer lower into our software stack Application layer(APL): User space and kernel space Kernel space has the real-time drivers Access through EPSI (Easy Peripheral Software Interface) The APL at a lower level is bridged into the SPL through DSP/BIOS link Everything in this stack is provided by TI except for the Customer Value-Added Differentiation box Signal Processing Layer We have the 4 different types of multimedia codecs (VISA) thus the VISA API The four types are Video, Imaging, Speech and Audio Our arch also supports running a codec on the application layer, if you want to run some very compute intensive codecs like H.264 on the SPL you can run a lower level codec on the application layer leaving all the compute power of the SPL to the H.264 codec * * * XDM(XDAIS的扩展，专用于多媒体应用) * * * * * * * * * * * * * 由于Linux应用程序会使用到DSP，这就涉及到双核通信问题。Cdece Engine… * 由于Linux应用程序会使用到DSP，这就涉及到双核通信问题。Cdece Engine… * 由于Linux应用程序会使用到DSP，这就涉及到双核通信问题。Cdece E