I don't know, I never heard of libv4l2convert before.
On Jun 26, 2:20 pm, Harishkumar V <harishpres...@gmail.com> wrote:
> Androidphan,
>
> Thanks,
>
> Also, i am using kernel version 2.6.29 and using v4l2, now-a-days i see of
> lot of applications seems to be working only if u do preloading of
> libv4l2convert , otherwise the pixel format or the conversion is not
> happening, the display screen is black.
>
> Whether i need to do anything like that in android.
>
> Thanks and Regards,
> HarishKumar.V
>
> 2009/6/26 Androidphan <niels.kee...@tass.nl>
>
>
>
>
>
> > Your input frames for the camera are jpeg? Then you should change
> > pixel format to V4L2_PIX_FMT_JPEG probably. Also you need to change
> > the size of the buffers. At the moment they are 2 bytes per pixel:
> > width * height * 2.
>
> > On Jun 26, 1:03 pm, Harishkumar V <harishpres...@gmail.com> wrote:
> > > Hi Androidphan,
>
> > > I have one doubt, i have one logitech QuickCam Connect which supports
> > jpeg
> > > as raw pixel format unlike other camera's which support RGB or yuv as raw
> > > pixel format.
>
> > > whether i needs to change anything in v4l2-camera.patch to make this work
> > > with android or it straight forward works.
>
> > > Because, in ur camera module, u are doing conversion fro yuv to jpeg
> > during
> > > saving the picture. i need to modify this.
>
> > > Thanks and Regards,
> > > HarishKumar.V
>
> > > On Fri, Jun 26, 2009 at 2:52 PM, crazygenie <rav...@gmail.com> wrote:
>
> > > > It's working! Thanks Androidphan :-)
>
> > > > On Jun 24, 7:04 pm, Ravishankar Haranath <rav...@gmail.com> wrote:
> > > > > Hi Androidphan,
>
> > > > > Thanks for this great effort. I will re-build with the changes
> > included
> > > > and
> > > > > test it again on my netbook.
>
> > > > > 2009/6/24 Harishkumar V <harishpres...@gmail.com>
>
> > > > > > Thats gr8...
>
> > > > > > As per Atsuo mail, we have working Standard V4l2 HAL Implementation
> > for
> > > > > > android on x-86 and ARM-based BB.
>
> > > > > > Thanks to Androidplan for achieving this milestone.
>
> > > > > > Thanks and Regards,
> > > > > > HarishKumar.V
>
> > > > > > 2009/6/24 Androidphan <niels.kee...@tass.nl>
>
> > > > > >> I got a patch that fixes the permissions for the video device and
> > the
> > > > > >> sound device files:
> > > > > >>http://android-m912.googlecode.com/files/device_permissions.patch
>
> > > > > >> I knew that already.
>
> > > > > >> The resolution is a fixed and can only be changed by recompiling
> > in
> > > > > >> CameraHardware.cpp.
>
> > > > > >> It is indeed a standard implementation of v4l2 using mmap. Feel
> > free
> > > > > >> to change the code, I'm not going anything more on that code,
> > because
> > > > > >> my internship and my Android assignment ends this week :) :(
>
> > > > > >> On Jun 24, 7:59 am, Atsuo Igarashi <atsuoigara...@gmail.com>
> > wrote:
> > > > > >> > Hi Androidphan,
>
> > > > > >> > My Beagle(ARM based board) is working camcorder and camera app
> > with
> > > > > >> > your v4l2 camera.
>
> > > > > >> > Points in my environment,
>
> > > > > >> > 1. change permission of video device. (or change owner?)
>
> > > > > >> > chmod 666 /dev/video0
>
> > > > > >> > 2. free space of 1st dos partition on the SD card is made 4Gbyte
> > or
> > > > > >> > less.
>
> > > > > >> > AuthorDriver and MediaRecorder are failed with max-filesize
> > error.
>
> > > > > >> > 3. change resolution to 352x288 in CameraHardware.cpp.
>
> > > > > >> > Thank you Androidphan!
>
> > > > > >> > Regards,
> > > > > >> > Atsuo
>
> > > > > >> > On 6ζ24ζ₯, εεΎ2:07, Harishkumar V <harishpres...@gmail.com>
> > wrote:
>
> > > > > >> > > Hi Androidplan,
>
> > > > > >> > > My BB got damaged, i do not have hardware for now, it will
> > come in
> > > > a
> > > > > >> week's
> > > > > >> > > time.
>
> > > > > >> > > But, ur code looks like standard v4l2 interface using mmap. It
> > > > should
> > > > > >> work
> > > > > >> > > with any normal usb webcam with the resolution alone changing.
>
> > > > > >> > > Anyway, i test it and confirm u.
>
> > > > > >> > > Thanks and Regards,
> > > > > >> > > HarishKumar.V
>
> > > > > >> > > On Tue, Jun 23, 2009 at 8:01 PM, Androidphan <
> > > > niels.kee...@tass.nl>
> > > > > >> wrote:
>
> > > > > >> > > > And does it work for your camera?
>
> > > > > >> > > > On Jun 23, 3:20 pm, Harishkumar V <harishpres...@gmail.com>
> > > > wrote:
> > > > > >> > > > > Hi Androidplan,
>
> > > > > >> > > > > The libcamera.so and libcameraservice.so got created.
>
> > > > > >> > > > > In V4l2Camera.cpp, adding this solves the linking problem,
>
> > > > > >> > > > > extern "C" {
> > > > > >> > > > > #include "jpeglib.h"
>
> > > > > >> > > > > }
>
> > > > > >> > > > > instead of <jpeglib.h>
>
> > > > > >> > > > > Thanks and Regards,
> > > > > >> > > > > HarishKumar.V
>
> > > > > >> > > > > On Tue, Jun 23, 2009 at 6:45 PM, Harishkumar V <
> > > > > >> harishpres...@gmail.com
> > > > > >> > > > >wrote:
>
> > > > > >> > > > > > Hi Androidplan,
>
> > > > > >> > > > > > I think its problem with the linking of static library
> > with
> > > > the
> > > > > >> > > > android.
>
> > > > > >> > > > > > but, in the same android source, the skia includes local
> > > > static
> > > > > >> > > > libraries
> > > > > >> > > > > > like jpeg.
>
> > > > > >> > > > > > Its mystery.
>
> > > > > >> > > > > > Thanks and Regards,
> > > > > >> > > > > > HarishKumar.V
>
> > > > > >> > > > > > On Tue, Jun 23, 2009 at 6:39 PM, Androidphan <
> > > > > >> niels.kee...@tass.nl>
> > > > > >> > > > wrote:
>
> > > > > >> > > > > >> It can be found here
> > > > > >> > > > > >>http://android-m912.googlecode.com/files/Android.mk
>
> > > > > >> > > > > >> On Jun 23, 2:57 pm, Harishkumar V <
> > harishpres...@gmail.com
>
> > > > > >> wrote:
> > > > > >> > > > > >> > Hi Androidplan,
>
> > > > > >> > > > > >> > can u send ur Android.mk file.
>
> > > > > >> > > > > >> > Thanks and Regards,
> > > > > >> > > > > >> > HarishKumar.V
>
> > > > > >> > > > > >> > On Tue, Jun 23, 2009 at 6:25 PM, Androidphan <
> > > > > >> niels.kee...@tass.nl>
> > > > > >> > > > > >> wrote:
>
> > > > > >> > > > > >> > > Hmm, the Android.mk does says to include the static
> > > > library
> > > > > >> > > > libjpeg...
>
> > > > > >> > > > > >> > > On Jun 23, 2:51 pm, Harishkumar V <
> > > > harishpres...@gmail.com
>
> > > > > >> > > > wrote:
> > > > > >> > > > > >> > > > Hi Androidplan,
>
> > > > > >> > > > > >> > > > I am able to provide jpeg headers and its
> > compiling,
> > > > > >> during
> > > > > >> > > > linking
> > > > > >> > > > > >> it
> > > > > >> > > > > >> > > > reports errors,
>
> > > > > >> > > > > >> > > > 1) external/jpeg instead of external/jpeg/include
> > > > solved
> > > > > >> the
> > > > > >> > > > jpeg
> > > > > >> > > > > >> header
> > > > > >> > > > > >> > > > problem.
> > > > > >> > > > > >> > > > 2) As recording_callback was not defined and
> > > > > >> Start_recording was
> > > > > >> > > > not
> > > > > >> > > > > >> > > used,
> > > > > >> > > > > >> > > > it returns only Error, i commented out that part.
>
> > > > > >> > > > > >> > > > after doing the above things, it compiled, during
> > > > > >> linking, it
> > > > > >> > > > > >> reports the
> > > > > >> > > > > >> > > > following,
>
> > > > > >> > > > > >> > > > target SharedLib: libcamera
>
> > (out/target/product/beagle/obj/SHARED_LIBRARIES/libcamera_intermediates/LIN
> > > > > >> > > > > >> > > KED/libcamera.so)
>
> > out/target/product/beagle/obj/SHARED_LIBRARIES/libcamera_intermediates/V4L2
> > > > > >> > > > > >> > > Camera.o:
> > > > > >> > > > > >> > > > In function
> > > > `android::V4L2Camera::saveYUYVtoJPEG(unsigned
> > > > > >> char*,
> > > > > >> > > > > >> int,
> > > > > >> > > > > >> > > int,
> > > > > >> > > > > >> > > > __sFILE*, int)':
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:320:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to `jpeg_std_error(jpeg_error_mgr*)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:321:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > > > `jpeg_CreateCompress(jpeg_compress_struct*,
> > > > > >> int,
> > > > > >> > > > > >> unsigned
> > > > > >> > > > > >> > > int)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:322:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > `jpeg_stdio_dest(jpeg_compress_struct*,
> > > > > >> __sFILE*)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:331:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > > > `jpeg_set_defaults(jpeg_compress_struct*)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:332:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > `jpeg_set_quality(jpeg_compress_struct*,
> > > > > >> int, int)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:334:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > > > `jpeg_start_compress(jpeg_compress_struct*,
> > > > > >> int)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:368:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > > > `jpeg_write_scanlines(jpeg_compress_struct*,
> > > > > >> > > > unsigned
> > > > > >> > > > > >> > > char**,
> > > > > >> > > > > >> > > > unsigned int)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:371:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > > > > >> `jpeg_finish_compress(jpeg_compress_struct*)'
>
> > > > > >> frameworks/base/camera/libcameraservice/V4L2Camera.cpp:373:
> > > > > >> > > > > >> undefined
> > > > > >> > > > > >> > > > reference to
> > > > > >> `jpeg_destroy_compress(jpeg_compress_struct*)'
> > > > > >> > > > > >> > > > collect2: ld returned 1 exit status
>
> > > > > >> > > > > >> > > > Thanks and Regards,
> > > > > >> > > > > >> > > > HarishKumar.V
>
> > > > > >> > > > > >> > > > On Tue, Jun 23, 2009 at 6:01 PM, Harishkumar V
> > > > > >> > > > > >> > > > <...
>
> read more >>
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