TI's Davincitm technology is a set of DSP-based system solutions designed specifically for efficient and compelling digital video - applicable to digital cameras, video security equipment, advanced medical imaging equipment, portable video player Or other video applications. This system has been carefully optimized for flexible digital video, with industry-leading performance and integrating programmable digital signal processor (DSP) kernel, ARM processor, and video acceleration coprocessor. With efficient processing capabilities, memory, I / O bandwidth, balanced internal interconnects, and dedicated peripheral combinations, SOC based on Da Vinci Technology can provide ideal core power at the lowest cost of video applications.
An Introduction
Digital VCRs (DVR) and Digital Video Servers (SVR) are all devices for video surveillance. DVR / SVR acquires an analog video signal from multiple analog monitoring cameras and digitizes them. The processing engine encodes video streams in digital format (eg H.264, dynamic JPEG, MPEG-4 or special codec)
• DVR is used to store and view this video stream locally. SVR sends encoded video to a large security network by using TCP / IP protocol. Higher performance digital video recorder DVR / SVR also has analytical functions, allowing automatic motion monitoring, virtual wall intersections, and more.
• DVR and SVR are used to upgrade an existing security system based on an analog monitor camera. Replace the tape-based VCR, DVR / SVR to automate the storage of monitoring data, and allow remote access to monitoring installations over TCP / IP networks. DVR / SVR usually has 4, 8 or 16 input channels. For further integration, the channel count will increase to 32, 64 and higher.
Illustration - Architecture
TI's ExpressDSP Linux DVSDK allows system integrators to use discrete software modules and merge them into a single executable output of the system, thereby avoiding monotonous work in manual integration in several months. This configuration kit makes the reuse code simple by simplifying the codec for a specific application. DVSDK contains:
• Ti HD MPEG-4, HD MPEG-4, H.264 and JPEG and G.711 Product Codec
• Customized codecs in accordance with Ti ExpressDSP Digital Media (XDM) algorithm
• Multimedia API and Code Engine Framework
• Demo version of Montavista Linux Pro 5.0
• Drivers for UART, I2C, SPI, EDMA, EMAC, NAND, MMC, SD card, USB host / gadget, RTC, HPI, and voice codec
• Video processing subsystem (display, capture, CCD controller, adjuster, preview)
• OSS Audio (ASP), GPIO, PWM, WDTIM
• U-Boot loading program
TMX320DM365 Digital Video Evaluation Module (DVEVM) Let developers immediately start the DavinciTM processor assessment and start building digital video applications, such as IP surveillance cameras, digital photo frames, digital signage, visual doorbells, and portable digital video products that have not yet invented.
Digital Video Evaluation Module (DVEVM) allows developers to write immediately-induced application code and access to the HMJCP coprocessor kernel using Da Vinci API, so as to immediately start development of the TMS320DM365 digital media processor.
It is recommended to produce digital video software packages (DVSPB) Montavista Linux supporting products.
DM365 DVEVM includes the following devices:
• Development board based on TMX320DM365 DAVINCITM processor
• IR remote control
• 2GB NAND flash memory
• Video capture of NTSC or PAL signals through HD components and SD composite video / s video
• NTSC or PAL output via HD components and SD composite video / s video
• Other functions, such as microphone input, headphone output, linear input, and linear output, UART, USB 2.0 HS, 2GB NAND flash and JTAG for testing
• Beta version: Linux Support Package Software Development Kit (LSP SDK) provided in the kit can be downloaded from TI eXpressDSP ™ Linux DVSDK website
• Montavista Pro demo tool
• DM365 Getting Started Guide and Hardware Technical Reference, Read Full Text, Technology Zone
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