I added same permission in ueventd.<board>.rc /dev/video0 0666 root system .But it did not work . Do i need to put anything in init.rc or other init.<board>.rc file ??.
I am getting same error /dev/video0 resource busy , I am attaching log file for both kernel and application space. I am using simplewebcam app from the same source you pointed out. Have you made this working? If yes what you did ?. I sent you log files Thank . On Thursday, January 17, 2013 9:16:54 PM UTC-8, Ranganath TM wrote: > > Hi, > > Refer the below link > > https://bitbucket.org/neuralassembly/simplewebcam/src > > Regards, > Ranga > > On Thu, Jan 17, 2013 at 10:47 AM, abhishek jain > <[email protected]<javascript:> > > wrote: > >> >> Hello, >> >> I have been struggling with an issue related to v4l enabling in Android >> Kernel. Please suggest me appropriate place to post my question i found >> this email for contacting on linux-media website. I am trying to connect >> external UVC camera with android device. >> >> What i have done so far , I enabled v4l configuration in kernel and i do >> see in log UVC driver get loaded after enabling as well as >> video_device_register return 0 and picked up video node 0. But what is the >> problem is when i application trying to access /dev/video0 it always shows >> device busy can not open. >> >> I have tried all permutation combination by assigning 0666 permission in >> init.rc , init.<board>.rc or uevetd.<board>.rc . >> >> But no luck please guide me how can i do it ? I am trying with Logitech >> C270 webcam and it does support v4l. >> >> Thank you >> On Friday, August 31, 2012 4:31:18 AM UTC-7, Arun wrote: >>> >>> Hi, >>> >>> can you provide more details about your device (android version, >>> application processor etc)? >>> It seems your are trying to run multiple camera instances, surface and >>> preview buffers are not configured. >>> >>> see below msgs in your logcat, >>> D/CameraService( 1845): Camera is now busy, you are screwed >>> D/Camera ( 1822): app passed NULL surface >>> >>> Since the buffers are not registered, camera app is crashing (I/DEBUG >>> messages). >>> Check the camera app and register preview buffers and the surface to >>> display the images. >>> >>> br >>> Arun >>> >>> >>> On Monday, 20 August 2012 18:41:48 UTC+1, aidandj wrote: >>>> >>>> I am currently attempting to port a UVC webcam to work with Android. I >>>> have gotten it working as in dev/video0 shows up, and using an application >>>> that directly accesses dev/video0 I can see the preview. But I am running >>>> into problems trying to integrate it into the default camera app. Here is >>>> my logcat: >>>> >>>> >>>> I/ActivityManager( 1360): Starting: Intent { >>>> act=android.intent.action.MAIN cat=[android.intent.category.**LAUNCHER] >>>> flg=0x10200000 cmp=com.android.camera/.Camera } from pid 1429 >>>> V/CameraHolder( 1822): open camera 0 >>>> D/CameraHardware( 1845): HAL_openCameraHardware: 0 >>>> D/CameraHardware( 1845): PREVIEW SIZE: w=640 h=480 framerate=15 >>>> D/CameraHardware( 1845): HAL_getCameraInfo: 0 >>>> D/CameraService( 1845): Camera is now busy, you are screwed >>>> I/StagefrightPlayer( 1845): setDataSource('/system/media/** >>>> audio/ui/camera_click.ogg') >>>> D/Camera ( 1822): app passed NULL surface >>>> D/CameraHardware( 1845): HAL_getCameraInfo: 0 >>>> D/CameraHardware( 1845): HAL_getCameraInfo: 0 >>>> V/camera ( 1822): postviewTime = 0s >>>> D/CameraHardware( 1845): PREVIEW SIZE: w=640 h=480 framerate=15 >>>> V/camera ( 1822): startPreview >>>> I/CameraHardware( 1845): startPreview: in startpreview >>>> I/CameraHardware( 1845): trying the node /dev/video0 >>>> I/DEBUG ( 1839): eip: 8240bb97 /system/lib/libcameraservice.**so >>>> (_**ZN7android13CameraService6Clie**nt16startPreviewModeEv) >>>> I/DEBUG ( 1839): eip: 8240bdb1 /system/lib/libcameraservice.**so >>>> (_**ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): eip: 8240bef9 /system/lib/libcameraservice.**so >>>> (_**ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): eip: 81a12ecf /system/lib/libcamera_client.**so >>>> (_**ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42cec 8240bdb1 /system/lib/libcameraservice. >>>> **so (_**ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42cf0 09e32a88 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42cf4 09df1ed8 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42cf8 bfc42d38 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42cfc 00000187 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42d00 8064d2f4 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42d04 09df1ed8 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42d08 bfc42d28 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42d0c 09e32ad4 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42d10 09e32a88 (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42d14 bfc42d6c (_** >>>> ZN7android13CameraService6Clie**nt15startCameraModeENS1_** >>>> 11camera_modeE) >>>> I/DEBUG ( 1839): bfc42d2c 8240bef9 /system/lib/libcameraservice. >>>> **so (_**ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): bfc42d30 09e32a88 (_** >>>> ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): bfc42d34 00000000 (_** >>>> ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): bfc42d38 00000000 (_** >>>> ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): bfc42d40 8240bea9 /system/lib/libcameraservice. >>>> **so (_**ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): bfc42d44 81a1d0bc (_** >>>> ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): bfc42d48 bfc42db8 (_** >>>> ZN7android13CameraService6Clie**nt12startPreviewEv) >>>> I/DEBUG ( 1839): bfc42d4c 81a12ecf /system/lib/libcamera_client. >>>> **so (_**ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d50 09e32a88 (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d54 09e32a8c (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d58 00000000 (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d5c bfc42d6c (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d60 00000006 (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d64 bfc42d8c (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d68 bfc42d88 (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d6c 09df1e78 (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d70 09df1128 (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> I/DEBUG ( 1839): bfc42d74 00000004 (_** >>>> ZN7android8BnCamera10onTransac**tEjRKNS_6ParcelEPS1_j) >>>> W/Camera ( 1822): Camera server died! >>>> W/Camera ( 1822): ICamera died >>>> E/Camera ( 1822): Error 100 >>>> V/camera ( 1822): media server died >>>> I/ServiceManager( 1264): service 'media.camera' died >>>> I/CameraService( 3361): CameraService started (pid=3361) >>>> E/Camera ( 1822): gene>>> SupportedCaptureResolutions:**null >>>> >>>> Any help is appreciated >>>> >>>> -- >> unsubscribe: [email protected] <javascript:> >> website: http://groups.google.com/group/android-porting >> > > > > -- > Thanks And Regards > Ranganath T.M > -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting
