>> We need >> streaming capability in the driver. This is how our driver works >> with mt9t031 sensor >> raw-bus (10 bit) >> vpfe-capture ----------------- mt9t031 driver >> | | >> V V >> VPFE MT9T031 >> >> VPFE hardware has internal timing and DMA controller to >> copy data frame by frame from the sensor output to SDRAM. >> The PCLK form the sensor is used to generate the internal >> timing. > >So, what is missing in the driver apart from the ability to specify >a frame-rate? > [MK] Does the mt9t031 output one frame (snapshot) like in a camera or can it output frame continuously along with PCLK, Hsync and Vsync signals like in a video streaming device. VPFE capture can accept frames continuously from the sensor synchronized to PCLK, HSYNC and VSYNC and output frames to application using QBUF/DQBUF. In our implementation, we have timing parameters for the sensor to do streaming at various resolutions and fps. So application calls S_STD to set these timings. I am not sure if this is an acceptable way of implementing it. Any comments?
Thanks Murali >Thanks >Guennadi >--- >Guennadi Liakhovetski, Ph.D. >Freelance Open-Source Software Developer >http://www.open-technology.de/ _______________________________________________ Davinci-linux-open-source mailing list Davinci-linux-open-source@linux.davincidsp.com http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
