ExifTool Version Number : 7.67
File Name : road_trip_1.jpg
Directory : .
File Size : 107 kB
File Modification Date/Time : 2009:02:10 13:43:31+00:00
File Type : JPEG
MIME Type : image/jpeg
JFIF Version : 1.01
Resolution Unit : None
X Resolution : 1
Y Resolution : 1
Image Width : 2048
Image Height : 1536
Encoding Process : Baseline DCT, Huffman coding
Bits Per Sample : 8
Color Components : 3
Y Cb Cr Sub Sampling : YCbCr4:2:0 (2 2)
Image Size : 2048x1536
Thats all the info i can pull using exiftool from the command line.
George
On Feb 10, 7:46 am, Dave Sparks <davidspa...@android.com> wrote:
> That looks reasonable to me. What are you using to read back the EXIF
> data?
>
> I was just working on the EXIF code over the weekend fixing a few bugs
> for the G1. I know that this code is working (the bugs I fixed were
> conversion errors, not missing data). I use exiftool to dump the EXIF
> tags.
>
> On Feb 9, 9:57 am, George <she...@gmail.com> wrote:
>
> > I've been playing with the parameter code for most of today, can't
> > seem to get it to save any exif data. Even if i manually set lat /
> > long, it doesn't save anything. The parameter code you posted accounts
> > for the gps related exif information, but what of the rest? I can't
> > see where it's setting the rest of the data.
>
> > Here's the bit of code where i try to set the parameters. Should this
> > be else where?
>
> > Thanks,
>
> > George
>
> > if (keyCode == KeyEvent.KEYCODE_SPACE) {
>
> > android.hardware.Camera.Parameters parameters =
> > mCamera.getParameters();
>
> > parameters.set("jpeg-quality", 85);
>
> > parameters.remove("gps-latitude");
> > parameters.remove("gps-longitude");
> > parameters.remove("gps-altitude");
> > parameters.remove("gps-timestamp");
>
> > parameters.set("gps-latitude","51.49473309516907");
> > parameters.set("gps-longitude", "-1.0");
> > parameters.set("gps-altitude", "71.0"); // meters
> > parameters.set("gps-timestamp", "1233744883");
>
> > mCamera.setParameters(parameters);
>
> > mCamera.takePicture(null, null, mPictureCallback);
>
> > return true;
> > }
>
> > return false;
> > }
>
> > On Feb 6, 6:16 pm, Dave Sparks <davidspa...@android.com> wrote:
>
> > > Here's some code I grabbed from thecameraapp. In this case, the EXIF
> > > data is pre-encoded in the JPEG - no need to rewrite the file.
>
> > > private void capture(boolean captureOnly) {
> > > mPreviewing = false;
> > > mCaptureOnlyBitmap = null;
>
> > > final int latchedOrientation =
> > > ImageManager.roundOrientation(mLastOrientation + 90);
>
> > > Boolean recordLocation = mPreferences.getBoolean
> > > ("pref_camera_recordlocation_key", false);
> > > Location loc = recordLocation ? getCurrentLocation() :
> > > null;
> > > android.hardware.Camera.Parameters parameters =
> > > mCameraDevice.getParameters();
> > > // Quality 75 has visible artifacts, and quality 90 looks
> > > great but the files begin to
> > > // get large. 85 is a good compromise between the two.
> > > parameters.set("jpeg-quality", 85);
> > > parameters.set("rotation", latchedOrientation);
>
> > > parameters.remove("gps-latitude");
> > > parameters.remove("gps-longitude");
> > > parameters.remove("gps-altitude");
> > > parameters.remove("gps-timestamp");
>
> > > if (DEBUG_FAKE_GPS_LOCATION) {
> > > // Google London office, having trouble encoding
> > > longitude
>
> > > if (false) {
> > > // This fails:
> > > parameters.set("gps-latitude",
> > > "51.49473309516907");
> > > parameters.set("gps-longitude",
> > > "-0.14598190784454346");
> > > parameters.set("gps-altitude", "71.0"); // meters
> > > parameters.set("gps-timestamp", "1233744883");
> > > } else {
> > > // This works OK:
> > > parameters.set("gps-latitude",
> > > "51.49473309516907");
> > > parameters.set("gps-longitude", "-1.0");
> > > parameters.set("gps-altitude", "71.0"); // meters
> > > parameters.set("gps-timestamp", "1233744883");
> > > }
> > > } else if (loc != null) {
> > > double lat = loc.getLatitude();
> > > double lon = loc.getLongitude();
> > > boolean hasLatLon = (lat != 0.0d) || (lon != 0.0d);
>
> > > if (hasLatLon) {
> > > String latString = String.valueOf(lat);
> > > String lonString = String.valueOf(lon);
> > > parameters.set("gps-latitude", latString);
> > > parameters.set("gps-longitude", lonString);
> > > if (loc.hasAltitude())
> > > parameters.set("gps-altitude", String.valueOf
> > > (loc.getAltitude()));
> > > if (loc.getTime() != 0) {
> > > // Location.getTime() is UTC in milliseconds.
> > > // gps-timestamp is UTC in seconds.
> > > long utcTimeSeconds = loc.getTime() / 1000;
> > > parameters.set("gps-timestamp", String.valueOf
> > > (utcTimeSeconds));
> > > }
> > > } else {
> > > loc = null;
> > > }
> > > }
>
> > > Size pictureSize = parameters.getPictureSize();
>
> > > // resize the SurfaceView to the aspect-ratio of the still
> > > image
> > > // and so that we can see the full image that was taken
> > > mSurfaceView.setAspectRatio(pictureSize.width,
> > > pictureSize.height);
>
> > > mCameraDevice.setParameters(parameters);
>
> > > mCameraDevice.takePicture(mShutterCallback,
> > > mRawPictureCallback, new JpegPictureCallback(loc));
>
> > > mBlackout.setVisibility(View.VISIBLE);
> > > // Comment this out for now until we can decode the
> > > preview frame. This currently
> > > // just animates black-on-black because the surface
> > > flinger blacks out the surface
> > > // when thecameradriver detaches the buffers.
> > > if (false) {
> > > Animation a = new
> > > android.view.animation.TranslateAnimation(mBlackout.getWidth(), 0 , 0,
> > > 0);
> > > a.setDuration(450);
> > > a.startNow();
> > > mBlackout.setAnimation(a);
> > > }
> > > }
>
> > > On Feb 6, 9:00 am, George <she...@gmail.com> wrote:
>
> > > > I've found the ExifInterface class in thecamerasource code which
> > > > takes a file name as a string. I cant figure how to get the file name
> > > > of the image i've just taken? I dont really want to have to save the
> > > > image to reload it again, anyway of pointing to the 'bm' jpeg picture
> > > > object?
>
> > > > Thanks again,
>
> > > > George
>
> > > > public void onPictureTaken(byte[] data,Camerac) {
>
> > > > Bitmap bm = BitmapFactory.decodeByteArray(data,
> > > > 0, data.length);
>
> > > > // Save the name and description in a map. Key
> > > > is the content
> > > > // provider's
> > > > // column name, value is the value to save in
> > > > that record field.
> > > > ContentValues values = new ContentValues(3);
> > > > // set name to date + time
> > > > // description - current goal?
> > > >
> > > > values.put(MediaStore.Images.Media.DISPLAY_NAME, "Picture");
> > > > values.put(MediaStore.Images.Media.DESCRIPTION,
> > > > "taken with g1");
> > > > values.put(MediaStore.Images.Media.MIME_TYPE,
> > > > "image/jpeg");
> > > >
> > > > //values.put(MediaStore.Images.ImageColumns.DESCRIPTION, "THIS IS
> > > > EXIF DATA" );
> > > > //values.put(MediaStore.Images.ImageColumns.,
> > > > "THIS IS EXIF
> > > > DATA" );
>
> > > >
> > > > //values.put(MediaStore.Images.ImageColumns.LATITUDE, value);
> > > >
> > > > //values.put(MediaStore.Images.ImageColumns.LONGITUDE, value);
> > > >
> > > > //values.put(MediaStore.Images.ImageColumns.ORIENTATION, value);
>
> > > > // Add a new record without the bitmap, but
> > > > with the values.
> > > > // It returns the URI of the new record.
> > > > Uri uri = getContentResolver().insert(
> > > >
> > > > MediaStore.Images.Media.EXTERNAL_CONTENT_URI, values);
>
> > > > try {
> > > > // Now get a handle to the file for
> > > > that record, and save the
> > > > // data into it.
> > > > // sourceBitmap is a Bitmap object
> > > > representing the file to save
> > > > // to the database.
> > > > OutputStream outStream =
>
> ...
>
> read more »
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