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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_ | 5 #ifndef MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_ |
6 #define MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_ | 6 #define MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_ |
7 | 7 |
8 #include <jni.h> | 8 #include <jni.h> |
9 #include <string> | 9 #include <string> |
10 | 10 |
11 #include "base/android/scoped_java_ref.h" | 11 #include "base/android/scoped_java_ref.h" |
12 #include "base/synchronization/lock.h" | 12 #include "base/synchronization/lock.h" |
13 #include "base/threading/thread.h" | 13 #include "base/threading/thread.h" |
14 #include "base/time/time.h" | 14 #include "base/time/time.h" |
15 #include "media/base/media_export.h" | 15 #include "media/base/media_export.h" |
16 #include "media/video/capture/video_capture_device.h" | 16 #include "media/video/capture/video_capture_device.h" |
17 | 17 |
18 namespace media { | 18 namespace media { |
19 | 19 |
20 // VideoCaptureDevice on Android. The VideoCaptureDevice API's are called | 20 // VideoCaptureDevice on Android. The VideoCaptureDevice API's are called |
21 // by VideoCaptureManager on its own thread, while OnFrameAvailable is called | 21 // by VideoCaptureManager on its own thread, while OnFrameAvailable is called |
22 // on JAVA thread (i.e., UI thread). Both will access |state_| and |client_|, | 22 // on JAVA thread (i.e., UI thread). Both will access |state_| and |client_|, |
23 // but only VideoCaptureManager would change their value. | 23 // but only VideoCaptureManager would change their value. |
24 class MEDIA_EXPORT VideoCaptureDeviceAndroid : public VideoCaptureDevice { | 24 class MEDIA_EXPORT VideoCaptureDeviceAndroid : public VideoCaptureDevice { |
25 public: | 25 public: |
| 26 // Automatically generated enum to interface with Java world. |
| 27 enum AndroidImageFormat { |
| 28 #define DEFINE_ANDROID_IMAGEFORMAT(name, value) name = value, |
| 29 #include "media/video/capture/android/imageformat_list.h" |
| 30 #undef DEFINE_ANDROID_IMAGEFORMAT |
| 31 }; |
| 32 |
26 virtual ~VideoCaptureDeviceAndroid(); | 33 virtual ~VideoCaptureDeviceAndroid(); |
27 | 34 |
28 static VideoCaptureDevice* Create(const Name& device_name); | 35 static VideoCaptureDevice* Create(const Name& device_name); |
29 static bool RegisterVideoCaptureDevice(JNIEnv* env); | 36 static bool RegisterVideoCaptureDevice(JNIEnv* env); |
30 | 37 |
31 // VideoCaptureDevice implementation. | 38 // VideoCaptureDevice implementation. |
32 virtual void AllocateAndStart(const VideoCaptureParams& params, | 39 virtual void AllocateAndStart(const VideoCaptureParams& params, |
33 scoped_ptr<Client> client) OVERRIDE; | 40 scoped_ptr<Client> client) OVERRIDE; |
34 virtual void StopAndDeAllocate() OVERRIDE; | 41 virtual void StopAndDeAllocate() OVERRIDE; |
35 | 42 |
36 // Implement org.chromium.media.VideoCapture.nativeOnFrameAvailable. | 43 // Implement org.chromium.media.VideoCapture.nativeOnFrameAvailable. |
37 void OnFrameAvailable( | 44 void OnFrameAvailable( |
38 JNIEnv* env, | 45 JNIEnv* env, |
39 jobject obj, | 46 jobject obj, |
40 jbyteArray data, | 47 jbyteArray data, |
41 jint length, | 48 jint length, |
42 jint rotation); | 49 jint rotation); |
43 | 50 |
44 private: | 51 private: |
45 enum InternalState { | 52 enum InternalState { |
46 kIdle, // The device is opened but not in use. | 53 kIdle, // The device is opened but not in use. |
47 kCapturing, // Video is being captured. | 54 kCapturing, // Video is being captured. |
48 kError // Hit error. User needs to recover by destroying the object. | 55 kError // Hit error. User needs to recover by destroying the object. |
49 }; | 56 }; |
50 | 57 |
51 // Automatically generated enum to interface with Java world. | |
52 enum AndroidImageFormat { | |
53 #define DEFINE_ANDROID_IMAGEFORMAT(name, value) name = value, | |
54 #include "media/video/capture/android/imageformat_list.h" | |
55 #undef DEFINE_ANDROID_IMAGEFORMAT | |
56 }; | |
57 | |
58 explicit VideoCaptureDeviceAndroid(const Name& device_name); | 58 explicit VideoCaptureDeviceAndroid(const Name& device_name); |
59 bool Init(); | 59 bool Init(); |
60 VideoPixelFormat GetColorspace(); | 60 VideoPixelFormat GetColorspace(); |
61 void SetErrorState(const std::string& reason); | 61 void SetErrorState(const std::string& reason); |
62 | 62 |
63 // Prevent racing on accessing |state_| and |client_| since both could be | 63 // Prevent racing on accessing |state_| and |client_| since both could be |
64 // accessed from different threads. | 64 // accessed from different threads. |
65 base::Lock lock_; | 65 base::Lock lock_; |
66 InternalState state_; | 66 InternalState state_; |
67 bool got_first_frame_; | 67 bool got_first_frame_; |
68 base::TimeTicks expected_next_frame_time_; | 68 base::TimeTicks expected_next_frame_time_; |
69 base::TimeDelta frame_interval_; | 69 base::TimeDelta frame_interval_; |
70 scoped_ptr<VideoCaptureDevice::Client> client_; | 70 scoped_ptr<VideoCaptureDevice::Client> client_; |
71 | 71 |
72 Name device_name_; | 72 Name device_name_; |
73 VideoCaptureFormat capture_format_; | 73 VideoCaptureFormat capture_format_; |
74 | 74 |
75 // Java VideoCaptureAndroid instance. | 75 // Java VideoCaptureAndroid instance. |
76 base::android::ScopedJavaGlobalRef<jobject> j_capture_; | 76 base::android::ScopedJavaGlobalRef<jobject> j_capture_; |
77 | 77 |
78 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceAndroid); | 78 DISALLOW_IMPLICIT_CONSTRUCTORS(VideoCaptureDeviceAndroid); |
79 }; | 79 }; |
80 | 80 |
81 } // namespace media | 81 } // namespace media |
82 | 82 |
83 #endif // MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_ | 83 #endif // MEDIA_VIDEO_CAPTURE_ANDROID_VIDEO_CAPTURE_DEVICE_ANDROID_H_ |
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