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1 /* | 1 /* |
2 * libjingle | 2 * libjingle |
3 * Copyright 2015 Google Inc. | 3 * Copyright 2015 Google Inc. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions are met: | 6 * modification, are permitted provided that the following conditions are met: |
7 * | 7 * |
8 * 1. Redistributions of source code must retain the above copyright notice, | 8 * 1. Redistributions of source code must retain the above copyright notice, |
9 * this list of conditions and the following disclaimer. | 9 * this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright notice, | 10 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 */ | 26 */ |
27 | 27 |
28 package org.webrtc; | 28 package org.webrtc; |
29 | 29 |
30 import android.hardware.Camera; | 30 import android.hardware.Camera; |
31 import android.os.SystemClock; | 31 import android.os.SystemClock; |
32 import android.util.Log; | |
33 | 32 |
34 import org.webrtc.CameraEnumerationAndroid.CaptureFormat; | 33 import org.webrtc.CameraEnumerationAndroid.CaptureFormat; |
| 34 import org.webrtc.Logging; |
35 | 35 |
36 import java.util.ArrayList; | 36 import java.util.ArrayList; |
37 import java.util.List; | 37 import java.util.List; |
38 | 38 |
39 @SuppressWarnings("deprecation") | 39 @SuppressWarnings("deprecation") |
40 public class CameraEnumerator implements CameraEnumerationAndroid.Enumerator { | 40 public class CameraEnumerator implements CameraEnumerationAndroid.Enumerator { |
41 private final static String TAG = "CameraEnumerator"; | 41 private final static String TAG = "CameraEnumerator"; |
42 // Each entry contains the supported formats for corresponding camera index. T
he formats for all | 42 // Each entry contains the supported formats for corresponding camera index. T
he formats for all |
43 // cameras are enumerated on the first call to getSupportedFormats(), and cach
ed for future | 43 // cameras are enumerated on the first call to getSupportedFormats(), and cach
ed for future |
44 // reference. | 44 // reference. |
45 private List<List<CaptureFormat>> cachedSupportedFormats; | 45 private List<List<CaptureFormat>> cachedSupportedFormats; |
46 | 46 |
47 @Override | 47 @Override |
48 public List<CaptureFormat> getSupportedFormats(int cameraId) { | 48 public List<CaptureFormat> getSupportedFormats(int cameraId) { |
49 synchronized (this) { | 49 synchronized (this) { |
50 if (cachedSupportedFormats == null) { | 50 if (cachedSupportedFormats == null) { |
51 cachedSupportedFormats = new ArrayList<List<CaptureFormat>>(); | 51 cachedSupportedFormats = new ArrayList<List<CaptureFormat>>(); |
52 for (int i = 0; i < CameraEnumerationAndroid.getDeviceCount(); ++i) { | 52 for (int i = 0; i < CameraEnumerationAndroid.getDeviceCount(); ++i) { |
53 cachedSupportedFormats.add(enumerateFormats(i)); | 53 cachedSupportedFormats.add(enumerateFormats(i)); |
54 } | 54 } |
55 } | 55 } |
56 } | 56 } |
57 return cachedSupportedFormats.get(cameraId); | 57 return cachedSupportedFormats.get(cameraId); |
58 } | 58 } |
59 | 59 |
60 private List<CaptureFormat> enumerateFormats(int cameraId) { | 60 private List<CaptureFormat> enumerateFormats(int cameraId) { |
61 Log.d(TAG, "Get supported formats for camera index " + cameraId + "."); | 61 Logging.d(TAG, "Get supported formats for camera index " + cameraId + "."); |
62 final long startTimeMs = SystemClock.elapsedRealtime(); | 62 final long startTimeMs = SystemClock.elapsedRealtime(); |
63 final Camera.Parameters parameters; | 63 final Camera.Parameters parameters; |
64 Camera camera = null; | 64 Camera camera = null; |
65 try { | 65 try { |
66 Log.d(TAG, "Opening camera with index " + cameraId); | 66 Logging.d(TAG, "Opening camera with index " + cameraId); |
67 camera = Camera.open(cameraId); | 67 camera = Camera.open(cameraId); |
68 parameters = camera.getParameters(); | 68 parameters = camera.getParameters(); |
69 } catch (RuntimeException e) { | 69 } catch (RuntimeException e) { |
70 Log.e(TAG, "Open camera failed on camera index " + cameraId, e); | 70 Logging.e(TAG, "Open camera failed on camera index " + cameraId, e); |
71 return new ArrayList<CaptureFormat>(); | 71 return new ArrayList<CaptureFormat>(); |
72 } finally { | 72 } finally { |
73 if (camera != null) { | 73 if (camera != null) { |
74 camera.release(); | 74 camera.release(); |
75 } | 75 } |
76 } | 76 } |
77 | 77 |
78 final List<CaptureFormat> formatList = new ArrayList<CaptureFormat>(); | 78 final List<CaptureFormat> formatList = new ArrayList<CaptureFormat>(); |
79 try { | 79 try { |
80 int minFps = 0; | 80 int minFps = 0; |
81 int maxFps = 0; | 81 int maxFps = 0; |
82 final List<int[]> listFpsRange = parameters.getSupportedPreviewFpsRange(); | 82 final List<int[]> listFpsRange = parameters.getSupportedPreviewFpsRange(); |
83 if (listFpsRange != null) { | 83 if (listFpsRange != null) { |
84 // getSupportedPreviewFpsRange() returns a sorted list. Take the fps ran
ge | 84 // getSupportedPreviewFpsRange() returns a sorted list. Take the fps ran
ge |
85 // corresponding to the highest fps. | 85 // corresponding to the highest fps. |
86 final int[] range = listFpsRange.get(listFpsRange.size() - 1); | 86 final int[] range = listFpsRange.get(listFpsRange.size() - 1); |
87 minFps = range[Camera.Parameters.PREVIEW_FPS_MIN_INDEX]; | 87 minFps = range[Camera.Parameters.PREVIEW_FPS_MIN_INDEX]; |
88 maxFps = range[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]; | 88 maxFps = range[Camera.Parameters.PREVIEW_FPS_MAX_INDEX]; |
89 } | 89 } |
90 for (Camera.Size size : parameters.getSupportedPreviewSizes()) { | 90 for (Camera.Size size : parameters.getSupportedPreviewSizes()) { |
91 formatList.add(new CaptureFormat(size.width, size.height, minFps, maxFps
)); | 91 formatList.add(new CaptureFormat(size.width, size.height, minFps, maxFps
)); |
92 } | 92 } |
93 } catch (Exception e) { | 93 } catch (Exception e) { |
94 Log.e(TAG, "getSupportedFormats() failed on camera index " + cameraId, e); | 94 Logging.e(TAG, "getSupportedFormats() failed on camera index " + cameraId,
e); |
95 } | 95 } |
96 | 96 |
97 final long endTimeMs = SystemClock.elapsedRealtime(); | 97 final long endTimeMs = SystemClock.elapsedRealtime(); |
98 Log.d(TAG, "Get supported formats for camera index " + cameraId + " done." | 98 Logging.d(TAG, "Get supported formats for camera index " + cameraId + " done
." |
99 + " Time spent: " + (endTimeMs - startTimeMs) + " ms."); | 99 + " Time spent: " + (endTimeMs - startTimeMs) + " ms."); |
100 return formatList; | 100 return formatList; |
101 } | 101 } |
102 } | 102 } |
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