On Sat, Aug 13, 2011 at 11:56 PM, Paulo Assis <pj.assis@xxxxxxxxx> wrote: > Hi, > > 2011/8/13 Veda N <veda74@xxxxxxxxx>: >> what should be the size of a raw bayer data from the driver. >> >> for 640x480 = i get 640x480x2. > > Is this in bytes? > >> >> Shouldnt i get more? It shoule be more than yuv422/rgb565 >> > > No, that depends on the pixel size, so for 8 bit pixel you should get > 640x480 bytes, for 12 bit you should get 640x480x3/2 and so on. > > 640x480x2 is equivalent to a 16 bit pixel, this is a bit unusual I > think, the most common is 8 bit pixel, what device/driver are you > using ? If it is V4L2_PIX_FMT_SGRBG10 - it is 10 bits/color. If it is V4L2_PIX_FMT_SGRBG8 - it is 8 bits/color Shouldnt it be more? raw data is supposed to be large in size when compared to processed data pixel size. > > > Regards, > Paulo > >> -- >> Regards, >> S. N. Veda >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-media" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > -- Regards, S. N. Veda -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
