Index: webrtc/api/android/java/src/org/webrtc/Camera2Enumerator.java |
diff --git a/webrtc/api/android/java/src/org/webrtc/Camera2Enumerator.java b/webrtc/api/android/java/src/org/webrtc/Camera2Enumerator.java |
deleted file mode 100644 |
index fa5c55df8aa3dacae5689c1f685b8b90269cc102..0000000000000000000000000000000000000000 |
--- a/webrtc/api/android/java/src/org/webrtc/Camera2Enumerator.java |
+++ /dev/null |
@@ -1,248 +0,0 @@ |
-/* |
- * Copyright 2015 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-package org.webrtc; |
- |
-import org.webrtc.CameraEnumerationAndroid.CaptureFormat; |
- |
-import android.annotation.TargetApi; |
-import android.content.Context; |
-import android.graphics.Rect; |
-import android.graphics.SurfaceTexture; |
-import android.hardware.camera2.CameraCharacteristics; |
-import android.hardware.camera2.CameraManager; |
-import android.hardware.camera2.CameraMetadata; |
-import android.hardware.camera2.params.StreamConfigurationMap; |
-import android.os.Build; |
-import android.os.SystemClock; |
-import android.util.AndroidException; |
-import android.util.Range; |
- |
-import java.util.ArrayList; |
-import java.util.HashMap; |
-import java.util.List; |
-import java.util.Map; |
- |
-@TargetApi(21) |
-public class Camera2Enumerator implements CameraEnumerator { |
- private final static String TAG = "Camera2Enumerator"; |
- private final static double NANO_SECONDS_PER_SECOND = 1.0e9; |
- |
- // Each entry contains the supported formats for a given camera index. The formats are enumerated |
- // lazily in getSupportedFormats(), and cached for future reference. |
- private static final Map<String, List<CaptureFormat>> cachedSupportedFormats = |
- new HashMap<String, List<CaptureFormat>>(); |
- |
- final Context context; |
- final CameraManager cameraManager; |
- |
- public Camera2Enumerator(Context context) { |
- this.context = context; |
- this.cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE); |
- } |
- |
- @Override |
- public String[] getDeviceNames() { |
- try { |
- return cameraManager.getCameraIdList(); |
- // On Android OS pre 4.4.2, a class will not load because of VerifyError if it contains a |
- // catch statement with an Exception from a newer API, even if the code is never executed. |
- // https://code.google.com/p/android/issues/detail?id=209129 |
- } catch (/* CameraAccessException */ AndroidException e) { |
- Logging.e(TAG, "Camera access exception: " + e); |
- return new String[] {}; |
- } |
- } |
- |
- @Override |
- public boolean isFrontFacing(String deviceName) { |
- CameraCharacteristics characteristics = getCameraCharacteristics(deviceName); |
- |
- return characteristics != null |
- && characteristics.get(CameraCharacteristics.LENS_FACING) |
- == CameraMetadata.LENS_FACING_FRONT; |
- } |
- |
- @Override |
- public boolean isBackFacing(String deviceName) { |
- CameraCharacteristics characteristics = getCameraCharacteristics(deviceName); |
- |
- return characteristics != null |
- && characteristics.get(CameraCharacteristics.LENS_FACING) |
- == CameraMetadata.LENS_FACING_BACK; |
- } |
- |
- @Override |
- public List<CaptureFormat> getSupportedFormats(String deviceName) { |
- return getSupportedFormats(context, deviceName); |
- } |
- |
- @Override |
- public CameraVideoCapturer createCapturer( |
- String deviceName, CameraVideoCapturer.CameraEventsHandler eventsHandler) { |
- return new Camera2Capturer(context, deviceName, eventsHandler); |
- } |
- |
- private CameraCharacteristics getCameraCharacteristics(String deviceName) { |
- try { |
- return cameraManager.getCameraCharacteristics(deviceName); |
- // On Android OS pre 4.4.2, a class will not load because of VerifyError if it contains a |
- // catch statement with an Exception from a newer API, even if the code is never executed. |
- // https://code.google.com/p/android/issues/detail?id=209129 |
- } catch (/* CameraAccessException */ AndroidException e) { |
- Logging.e(TAG, "Camera access exception: " + e); |
- return null; |
- } |
- } |
- |
- /** |
- * Checks if API is supported and all cameras have better than legacy support. |
- */ |
- public static boolean isSupported(Context context) { |
- if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { |
- return false; |
- } |
- |
- CameraManager cameraManager = (CameraManager) context.getSystemService(Context.CAMERA_SERVICE); |
- try { |
- String[] cameraIds = cameraManager.getCameraIdList(); |
- for (String id : cameraIds) { |
- CameraCharacteristics characteristics = cameraManager.getCameraCharacteristics(id); |
- if (characteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL) |
- == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) { |
- return false; |
- } |
- } |
- // On Android OS pre 4.4.2, a class will not load because of VerifyError if it contains a |
- // catch statement with an Exception from a newer API, even if the code is never executed. |
- // https://code.google.com/p/android/issues/detail?id=209129 |
- } catch (/* CameraAccessException */ AndroidException e) { |
- Logging.e(TAG, "Camera access exception: " + e); |
- return false; |
- } |
- return true; |
- } |
- |
- static int getFpsUnitFactor(Range<Integer>[] fpsRanges) { |
- if (fpsRanges.length == 0) { |
- return 1000; |
- } |
- return fpsRanges[0].getUpper() < 1000 ? 1000 : 1; |
- } |
- |
- static List<Size> getSupportedSizes(CameraCharacteristics cameraCharacteristics) { |
- final StreamConfigurationMap streamMap = |
- cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); |
- final int supportLevel = |
- cameraCharacteristics.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL); |
- |
- final android.util.Size[] nativeSizes = streamMap.getOutputSizes(SurfaceTexture.class); |
- final List<Size> sizes = convertSizes(nativeSizes); |
- |
- // Video may be stretched pre LMR1 on legacy implementations. |
- // Filter out formats that have different aspect ratio than the sensor array. |
- if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP_MR1 |
- && supportLevel == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) { |
- final Rect activeArraySize = |
- cameraCharacteristics.get(CameraCharacteristics.SENSOR_INFO_ACTIVE_ARRAY_SIZE); |
- final ArrayList<Size> filteredSizes = new ArrayList<Size>(); |
- |
- for (Size size : sizes) { |
- if (activeArraySize.width() * size.height == activeArraySize.height() * size.width) { |
- filteredSizes.add(size); |
- } |
- } |
- |
- return filteredSizes; |
- } else { |
- return sizes; |
- } |
- } |
- |
- static List<CaptureFormat> getSupportedFormats(Context context, String cameraId) { |
- return getSupportedFormats( |
- (CameraManager) context.getSystemService(Context.CAMERA_SERVICE), cameraId); |
- } |
- |
- static List<CaptureFormat> getSupportedFormats(CameraManager cameraManager, String cameraId) { |
- synchronized (cachedSupportedFormats) { |
- if (cachedSupportedFormats.containsKey(cameraId)) { |
- return cachedSupportedFormats.get(cameraId); |
- } |
- |
- Logging.d(TAG, "Get supported formats for camera index " + cameraId + "."); |
- final long startTimeMs = SystemClock.elapsedRealtime(); |
- |
- final CameraCharacteristics cameraCharacteristics; |
- try { |
- cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId); |
- } catch (Exception ex) { |
- Logging.e(TAG, "getCameraCharacteristics(): " + ex); |
- return new ArrayList<CaptureFormat>(); |
- } |
- |
- final StreamConfigurationMap streamMap = |
- cameraCharacteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); |
- |
- Range<Integer>[] fpsRanges = |
- cameraCharacteristics.get(CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES); |
- List<CaptureFormat.FramerateRange> framerateRanges = |
- convertFramerates(fpsRanges, getFpsUnitFactor(fpsRanges)); |
- List<Size> sizes = getSupportedSizes(cameraCharacteristics); |
- |
- int defaultMaxFps = 0; |
- for (CaptureFormat.FramerateRange framerateRange : framerateRanges) { |
- defaultMaxFps = Math.max(defaultMaxFps, framerateRange.max); |
- } |
- |
- final List<CaptureFormat> formatList = new ArrayList<CaptureFormat>(); |
- for (Size size : sizes) { |
- long minFrameDurationNs = 0; |
- try { |
- minFrameDurationNs = streamMap.getOutputMinFrameDuration( |
- SurfaceTexture.class, new android.util.Size(size.width, size.height)); |
- } catch (Exception e) { |
- // getOutputMinFrameDuration() is not supported on all devices. Ignore silently. |
- } |
- final int maxFps = (minFrameDurationNs == 0) |
- ? defaultMaxFps |
- : (int) Math.round(NANO_SECONDS_PER_SECOND / minFrameDurationNs) * 1000; |
- formatList.add(new CaptureFormat(size.width, size.height, 0, maxFps)); |
- Logging.d(TAG, "Format: " + size.width + "x" + size.height + "@" + maxFps); |
- } |
- |
- cachedSupportedFormats.put(cameraId, formatList); |
- final long endTimeMs = SystemClock.elapsedRealtime(); |
- Logging.d(TAG, "Get supported formats for camera index " + cameraId + " done." |
- + " Time spent: " + (endTimeMs - startTimeMs) + " ms."); |
- return formatList; |
- } |
- } |
- |
- // Convert from android.util.Size to Size. |
- private static List<Size> convertSizes(android.util.Size[] cameraSizes) { |
- final List<Size> sizes = new ArrayList<Size>(); |
- for (android.util.Size size : cameraSizes) { |
- sizes.add(new Size(size.getWidth(), size.getHeight())); |
- } |
- return sizes; |
- } |
- |
- // Convert from android.util.Range<Integer> to CaptureFormat.FramerateRange. |
- static List<CaptureFormat.FramerateRange> convertFramerates( |
- Range<Integer>[] arrayRanges, int unitFactor) { |
- final List<CaptureFormat.FramerateRange> ranges = new ArrayList<CaptureFormat.FramerateRange>(); |
- for (Range<Integer> range : arrayRanges) { |
- ranges.add(new CaptureFormat.FramerateRange( |
- range.getLower() * unitFactor, range.getUpper() * unitFactor)); |
- } |
- return ranges; |
- } |
-} |