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2014/10/16 ¤W¤È 08:21:35
android Programming Glossary: previewcallbackreally confused with setPreviewCallback in Android, need advice http://stackoverflow.com/questions/11544877/really-confused-with-setpreviewcallback-in-android-need-advice confused with setPreviewCallback in Android need advice I'm building an application on Android.. should I place the following function camera_object.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera.. following function camera_object.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera camera should I..
How to draw an overlay on a SurfaceView used by Camera on Android? http://stackoverflow.com/questions/2933882/how-to-draw-an-overlay-on-a-surfaceview-used-by-camera-on-android Camera.open try camera.setPreviewDisplay holder camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera.. holder camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera arg1 invalidar ..
Android onActivityResult not called / triggered http://stackoverflow.com/questions/5019711/android-onactivityresult-not-called-triggered implements ActivityCallback SurfaceHolder.Callback PreviewCallback private Preview mPreview private Camera mCam private SurfaceHolder.. source.renderCroppedGreyscaleBitmap else camera.setOneShotPreviewCallback this @Override public void surfaceCreated SurfaceHolder holder.. parameters mCam.startPreview mCam.setOneShotPreviewCallback this @Override public void surfaceDestroyed SurfaceHolder holder..
Android Camera RTSP/RTP Stream? http://stackoverflow.com/questions/5959745/android-camera-rtsp-rtp-stream How to work with it i tried it but no result 2 using PreviewCallback onPreviewFrame data camera method. by using sipdroid's Rtppacket.. able to play my packets in VLC This is my code mCamera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera.. in VLC This is my code mCamera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera camera int width..
Creating RTP Packets from Android Camera to Send http://stackoverflow.com/questions/7332532/creating-rtp-packets-from-android-camera-to-send to PC. What first i do is to get a raw video data from PreviewCallback arguments and convert it to an RTP Packet. I was just using.. SurfaceHolder holder try camera Camera.open camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte _data Camera.. try camera Camera.open camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte _data Camera _camera int height..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails extends SurfaceView implements SurfaceHolder.Callback PreviewCallback private Camera camera Camera.Size use_size MyRenderer renderer.. Could not set preview display for camera. camera.setPreviewCallback this public void surfaceDestroyed SurfaceHolder holder Surface..
Apply custom filters to camera output http://stackoverflow.com/questions/8371055/apply-custom-filters-to-camera-output output and show them. What I've tried so far mCamera.setPreviewCallback new CameraGreenFilter public class CameraGreenFilter implements.. public class CameraGreenFilter implements PreviewCallback @Override public void onPreviewFrame byte data Camera camera.. displaying the image at all. If you call this mCamera.setPreviewCallback new CameraGreenFilter mCamera.setPreviewDisplay null than your..
Why FPS is not same as original camera app http://stackoverflow.com/questions/8676046/why-fps-is-not-same-as-original-camera-app while I write front Camera code to test. mCamera2.setPreviewCallbackWithBuffer new PreviewCallback public void onPreviewFrame byte.. code to test. mCamera2.setPreviewCallbackWithBuffer new PreviewCallback public void onPreviewFrame byte data Camera camera image processing..
Converting YUV->RGB(Image processing)->YUV during onPreviewFrame in android? http://stackoverflow.com/questions/9325861/converting-yuv-rgbimage-processing-yuv-during-onpreviewframe-in-android also encoded Yuv data are differ from original data of PreviewCallback. Please help me to resolve this issue. I have to used this code..
really confused with setPreviewCallback in Android, need advice http://stackoverflow.com/questions/11544877/really-confused-with-setpreviewcallback-in-android-need-advice confused with setPreviewCallback in Android need advice I'm building an application on Android to take frames from the camera process them and then display.. the answer to the above is Yes the question would be Where should I place the following function camera_object.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera camera should I place it in onCreate or should I place it.. above is Yes the question would be Where should I place the following function camera_object.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera camera should I place it in onCreate or should I place it in surfaceCreated..
How to draw an overlay on a SurfaceView used by Camera on Android? http://stackoverflow.com/questions/2933882/how-to-draw-an-overlay-on-a-surfaceview-used-by-camera-on-android public void surfaceCreated final SurfaceHolder holder camera Camera.open try camera.setPreviewDisplay holder camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera arg1 invalidar catch IOException e public void invalidar.. final SurfaceHolder holder camera Camera.open try camera.setPreviewDisplay holder camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera arg1 invalidar catch IOException e public void invalidar invalidate public..
Android onActivityResult not called / triggered http://stackoverflow.com/questions/5019711/android-onactivityresult-not-called-triggered resultCode data break public class CaptureActivity extends Activity implements ActivityCallback SurfaceHolder.Callback PreviewCallback private Preview mPreview private Camera mCam private SurfaceHolder mHolder private Size size protected void onCreate Bundle.. releaseCameraResources onValidDecodeResult result source.renderCroppedGreyscaleBitmap else camera.setOneShotPreviewCallback this @Override public void surfaceCreated SurfaceHolder holder try mCam Camera.open mCam.setPreviewDisplay mPreview.getHolder.. height parameters.setPreviewSize size.width size.height mCam.setParameters parameters mCam.startPreview mCam.setOneShotPreviewCallback this @Override public void surfaceDestroyed SurfaceHolder holder if mCam null mCam.stopPreview releaseCameraResources private..
Android Camera RTSP/RTP Stream? http://stackoverflow.com/questions/5959745/android-camera-rtsp-rtp-stream 1 using mediarecorder http sipdroid.org using VideoCamera.java How to work with it i tried it but no result 2 using PreviewCallback onPreviewFrame data camera method. by using sipdroid's Rtppacket Rtpsocket sipdroidsocket I am able to send Rtp Packets.. data and I am able to catch it via Wireshark. But I am not able to play my packets in VLC This is my code mCamera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera camera int width 320 int height 240 eth getInterfaces .. to catch it via Wireshark. But I am not able to play my packets in VLC This is my code mCamera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte data Camera camera int width 320 int height 240 eth getInterfaces Log.v Connected to Ethernet..
Creating RTP Packets from Android Camera to Send http://stackoverflow.com/questions/7332532/creating-rtp-packets-from-android-camera-to-send android application that transfer video live from device camera to PC. What first i do is to get a raw video data from PreviewCallback arguments and convert it to an RTP Packet. I was just using JLibRTP to do this. Regarding to transfer the packet i think.. new RtpSession rtpSocket rtcpSocket public void surfaceCreated SurfaceHolder holder try camera Camera.open camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte _data Camera _camera int height 240 try rtps.sendData _data catch.. rtcpSocket public void surfaceCreated SurfaceHolder holder try camera Camera.open camera.setPreviewCallback new PreviewCallback public void onPreviewFrame byte _data Camera _camera int height 240 try rtps.sendData _data catch Exception e e.printStackTrace..
Android Camera will not work. startPreview fails http://stackoverflow.com/questions/7942378/android-camera-will-not-work-startpreview-fails renderer CameraSurfaceView class public class CameraSurfaceView extends SurfaceView implements SurfaceHolder.Callback PreviewCallback private Camera camera Camera.Size use_size MyRenderer renderer public CameraSurfaceView Context context super context SurfaceHolder.. camera.setPreviewDisplay holder catch IOException e Debug.out Could not set preview display for camera. camera.setPreviewCallback this public void surfaceDestroyed SurfaceHolder holder Surface will be destroyed when we return so stop the preview. Because..
Apply custom filters to camera output http://stackoverflow.com/questions/8371055/apply-custom-filters-to-camera-output How do I apply custom filters to single frames in the camera output and show them. What I've tried so far mCamera.setPreviewCallback new CameraGreenFilter public class CameraGreenFilter implements PreviewCallback @Override public void onPreviewFrame byte.. What I've tried so far mCamera.setPreviewCallback new CameraGreenFilter public class CameraGreenFilter implements PreviewCallback @Override public void onPreviewFrame byte data Camera camera final int len data.length for int i 0 i len i data i 2 Although.. example does not work for several reasons. First you are not displaying the image at all. If you call this mCamera.setPreviewCallback new CameraGreenFilter mCamera.setPreviewDisplay null than your camera is not displaying preview at all you have to display..
Why FPS is not same as original camera app http://stackoverflow.com/questions/8676046/why-fps-is-not-same-as-original-camera-app of video file after transfer to Windows machine However while I write front Camera code to test. mCamera2.setPreviewCallbackWithBuffer new PreviewCallback public void onPreviewFrame byte data Camera camera image processing code placed here. The.. transfer to Windows machine However while I write front Camera code to test. mCamera2.setPreviewCallbackWithBuffer new PreviewCallback public void onPreviewFrame byte data Camera camera image processing code placed here. The maximum result I can achieve..
Converting YUV->RGB(Image processing)->YUV during onPreviewFrame in android? http://stackoverflow.com/questions/9325861/converting-yuv-rgbimage-processing-yuv-during-onpreviewframe-in-android have some mistake because if i skip the preprocessing step than also encoded Yuv data are differ from original data of PreviewCallback. Please help me to resolve this issue. I have to used this code in OCR scanning so i need to implement this type of logic...
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