On Sat, Oct 16, 2010 at 12:52:17PM +0200, Jan Stary wrote: > but the sizes are still not recognized: > > h...@mac:hans$ video -v > video device /dev/video: > encodings: uyvy > sizes: 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, > 0x0, 0x0, 0x0 > controls: brightness, saturation, gamma, sharpness > Xv adaptor 0, Intel(R) Textured Video: > encodings: yuy2, uyvy > max size: 1280x800 > using uyvy encoding > using frame size 0x0 (0 bytes) > video: /dev/video: returned size not as requested
> Is this a video(1) problem? > Is it a uvideo(4) problem? > Is it a uvideo-firmware problem? > bLength=38 > bDescriptorType=0x24 (CS_INTERFACE) > bDescriptorSubtype=0x05 (UDESCSUB_VS_FRAME_UNCOMPRESSED) > bLength=38 > bDescriptorType=0x24 > bDescriptorSubtype=0x05 > bFrameIndex=0x01 > bmCapabilities=0x00 > wWidth=640 > wHeight=480 > dwMinBitRate=383976960 > dwMaxBitRate=383976960 > dwMaxVideoFrameBufferSize=614400 > dwDefaultFrameInterval=333333 > bFrameIntervalType=0x00 > > bLength=38 > bDescriptorType=0x24 (CS_INTERFACE) > bDescriptorSubtype=0x05 (UDESCSUB_VS_FRAME_UNCOMPRESSED) > bLength=38 > bDescriptorType=0x24 > bDescriptorSubtype=0x05 > bFrameIndex=0x02 > bmCapabilities=0x00 > wWidth=352 > wHeight=288 > dwMinBitRate=383976960 > dwMaxBitRate=383976960 > dwMaxVideoFrameBufferSize=202752 > dwDefaultFrameInterval=333333 > bFrameIntervalType=0x00 > > bLength=38 > bDescriptorType=0x24 (CS_INTERFACE) > bDescriptorSubtype=0x05 (UDESCSUB_VS_FRAME_UNCOMPRESSED) > bLength=38 > bDescriptorType=0x24 > bDescriptorSubtype=0x05 > bFrameIndex=0x03 > bmCapabilities=0x00 > wWidth=320 > wHeight=240 > dwMinBitRate=383976960 > dwMaxBitRate=383976960 > dwMaxVideoFrameBufferSize=153600 > dwDefaultFrameInterval=333333 > bFrameIntervalType=0x00 it's a bug in uvideo(4). bFrameIntervalType affects frame rates, not frame sizes. patch below should fix it. -- jake...@sdf.lonestar.org SDF Public Access UNIX System - http://sdf.lonestar.org Index: uvideo.c =================================================================== RCS file: /cvs/src/sys/dev/usb/uvideo.c,v retrieving revision 1.142 diff -u -p uvideo.c --- uvideo.c 9 Oct 2010 09:48:03 -0000 1.142 +++ uvideo.c 16 Oct 2010 19:40:33 -0000 @@ -2769,20 +2777,11 @@ uvideo_enum_fsizes(void *v, struct v4l2_frmsizeenum *f /* no more frames left */ return (EINVAL); - if (sc->sc_fmtgrp[idx].frame[i]->bFrameIntervalType == 0) { - /* TODO */ - fsizes->type = V4L2_FRMSIZE_TYPE_CONTINUOUS; - fsizes->un.stepwise.min_width = 0; - fsizes->un.stepwise.min_height = 0; - fsizes->un.stepwise.max_width = 0; - fsizes->un.stepwise.max_height = 0; - } else { - fsizes->type = V4L2_FRMSIZE_TYPE_DISCRETE; - fsizes->un.discrete.width = - UGETW(sc->sc_fmtgrp[idx].frame[i]->wWidth); - fsizes->un.discrete.height = - UGETW(sc->sc_fmtgrp[idx].frame[i]->wHeight); - } + fsizes->type = V4L2_FRMSIZE_TYPE_DISCRETE; + fsizes->un.discrete.width = + UGETW(sc->sc_fmtgrp[idx].frame[i]->wWidth); + fsizes->un.discrete.height = + UGETW(sc->sc_fmtgrp[idx].frame[i]->wHeight); return (0); }
