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fix too dark image preview on some devices

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This commit is contained in:
tibbi 2018-07-09 22:05:59 +02:00
parent 3706b3708b
commit 15ba3462c1
1 changed files with 20 additions and 0 deletions
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20
app/src/main/kotlin/com/simplemobiletools/camera/views/PreviewCameraTwo.kt
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@ -18,6 +18,7 @@ import android.os.Build
import android.os.Handler import android.os.Handler
import android.os.HandlerThread import android.os.HandlerThread
import android.util.DisplayMetrics import android.util.DisplayMetrics
import android.util.Range
import android.util.Size import android.util.Size
import android.util.SparseIntArray import android.util.SparseIntArray
import android.view.MotionEvent import android.view.MotionEvent
@ -458,6 +459,7 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
} else { } else {
mPreviewRequestBuilder!!.apply { mPreviewRequestBuilder!!.apply {
set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE) set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)
set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, getFrameRange())
setFlashAndExposure(this) setFlashAndExposure(this)
mPreviewRequest = build() mPreviewRequest = build()
} }
@ -490,6 +492,23 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
} }
} }
private fun getFrameRange(): Range<Int> {
val ranges = getCameraCharacteristics().get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES)
var currRangeSize = -1
var currMinRange = 0
var result: Range<Int>? = null
for (range in ranges) {
val diff = range.upper - range.lower
if (diff > currRangeSize || (diff == currRangeSize && range.lower > currMinRange)) {
currRangeSize = diff
currMinRange = range.lower
result = range
}
}
return result!!
}
private fun updatePreview() { private fun updatePreview() {
try { try {
mPreviewRequestBuilder!!.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO) mPreviewRequestBuilder!!.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO)
@ -565,6 +584,7 @@ class PreviewCameraTwo : ViewGroup, TextureView.SurfaceTextureListener, MyPrevie
set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE) set(CaptureRequest.CONTROL_AF_MODE, CaptureRequest.CONTROL_AF_MODE_CONTINUOUS_PICTURE)
set(CaptureRequest.JPEG_ORIENTATION, mSensorOrientation) set(CaptureRequest.JPEG_ORIENTATION, mSensorOrientation)
set(CaptureRequest.CONTROL_CAPTURE_INTENT, CaptureRequest.CONTROL_CAPTURE_INTENT_STILL_CAPTURE) set(CaptureRequest.CONTROL_CAPTURE_INTENT, CaptureRequest.CONTROL_CAPTURE_INTENT_STILL_CAPTURE)
set(CaptureRequest.CONTROL_AE_TARGET_FPS_RANGE, getFrameRange())
if (mZoomRect != null) { if (mZoomRect != null) {
set(CaptureRequest.SCALER_CROP_REGION, mZoomRect) set(CaptureRequest.SCALER_CROP_REGION, mZoomRect)
} }