On Fri, 26 Mar 2010, Hans Verkuil wrote: > On Friday 26 March 2010 08:06:42 Guennadi Liakhovetski wrote: > > V4L2_STD_PAL, V4L2_STD_SECAM, and V4L2_STD_NTSC are not the only composite > > standards. Currently, e.g., if a driver supports all of V4L2_STD_PAL_B, > > V4L2_STD_PAL_B1 and V4L2_STD_PAL_G, the enumeration will report > > V4L2_STD_PAL_BG and not the single standards, which can confuse > > applications. Fix this by only clearing simple standards from the mask. > > This, of course, will only work, if composite standards are listed before > > simple ones in the standards array in v4l2-ioctl.c, which is currently > > the case. > > Do you have an specific example where the current implementation will do the > wrong thing? Yes - sh_vou with gstreamer. gstreamer enumerates standards and gest PAL_BG but not PAL_B or PAL_G. Thanks Guennadi --- Guennadi Liakhovetski, Ph.D. Freelance Open-Source Software Developer http://www.open-technology.de/ -- 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
