Example usage for android.hardware.camera2 CaptureRequest JPEG_QUALITY

Introduction

In this page you can find the example usage for android.hardware.camera2 CaptureRequest JPEG_QUALITY.

Prototype

Key JPEG_QUALITY

To view the source code for android.hardware.camera2 CaptureRequest JPEG_QUALITY.

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Document

Compression quality of the final JPEG image.

85-95 is typical usage range.

Range of valid values:
1-100; larger is higher quality

This key is available on all devices.

Usage

From source file:com.obviousengine.android.focus.ZslFocusCamera.java

/**
 * Request a single image.//from  www  . j a va2s .  co  m
 *
 * @return true if successful, false if there was an error submitting the
 *         capture request.
 */
private boolean sendSingleRequest(FocusCamera.PhotoCaptureParameters params) {
    Timber.v("sendSingleRequest()");
    try {
        CaptureRequest.Builder builder;
        builder = device.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);

        builder.addTarget(previewSurface);

        // Always add this surface for single image capture requests.
        builder.addTarget(captureImageReader.getSurface());

        builder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO);

        addFlashToCaptureRequestBuilder(builder, params.flashMode);
        addRegionsToCaptureRequestBuilder(builder);

        builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO);
        builder.set(CaptureRequest.CONTROL_AF_TRIGGER, CaptureRequest.CONTROL_AF_TRIGGER_IDLE);

        // Tag this as a special request which should be saved.
        builder.setTag(RequestTag.EXPLICIT_CAPTURE);

        if (CAPTURE_IMAGE_FORMAT == ImageFormat.JPEG) {
            builder.set(CaptureRequest.JPEG_QUALITY, (byte) (JPEG_QUALITY));
            builder.set(CaptureRequest.JPEG_ORIENTATION,
                    Utils.getJpegRotation(params.orientation, characteristics));
        }

        captureSession.capture(builder.build(), captureManager, cameraHandler);
        return true;
    } catch (CameraAccessException e) {
        Timber.w(e, "Could not execute single still capture request.");
        return false;
    }
}

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From source file:com.android.camera.one.v2.OneCameraZslImpl.java

/**
 * Request a single image./*from  w  w w.  j  a  v a 2  s  .c  o  m*/
 *
 * @return true if successful, false if there was an error submitting the
 *         capture request.
 */
private boolean sendSingleRequest(OneCamera.PhotoCaptureParameters params) {
    Log.v(TAG, "sendSingleRequest()");
    try {
        CaptureRequest.Builder builder;
        builder = mDevice.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);

        builder.addTarget(mPreviewSurface);

        // Always add this surface for single image capture requests.
        builder.addTarget(mCaptureImageReader.getSurface());

        builder.set(CaptureRequest.CONTROL_MODE, CaptureRequest.CONTROL_MODE_AUTO);

        Flash flashMode = Flash.OFF;
        addFlashToCaptureRequestBuilder(builder, flashMode);
        addRegionsToCaptureRequestBuilder(builder);

        builder.set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_AUTO);
        builder.set(CaptureRequest.CONTROL_AF_TRIGGER, CaptureRequest.CONTROL_AF_TRIGGER_IDLE);

        // Tag this as a special request which should be saved.
        builder.setTag(RequestTag.EXPLICIT_CAPTURE);

        if (sCaptureImageFormat == ImageFormat.JPEG) {
            builder.set(CaptureRequest.JPEG_QUALITY, (byte) (JPEG_QUALITY));
            builder.set(CaptureRequest.JPEG_ORIENTATION,
                    CameraUtil.getJpegRotation(params.orientation, mCharacteristics));
        }

        mCaptureSession.capture(builder.build(), mCaptureManager, mCameraHandler);
        return true;
    } catch (CameraAccessException e) {
        Log.v(TAG, "Could not execute single still capture request.", e);
        return false;
    }
}

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