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Side by Side Diff: talk/app/webrtc/java/jni/androidvideocapturer_jni.h

Issue 1610243002: Move talk/app/webrtc to webrtc/api (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Removed processing of api.gyp for Chromium builds Created 4 years, 10 months ago
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1 /*
2 * libjingle
3 * Copyright 2015 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 *
27 */
28
29 #ifndef TALK_APP_WEBRTC_JAVA_JNI_ANDROIDVIDEOCAPTURER_JNI_H_
30 #define TALK_APP_WEBRTC_JAVA_JNI_ANDROIDVIDEOCAPTURER_JNI_H_
31
32 #include <string>
33
34 #include "talk/app/webrtc/androidvideocapturer.h"
35 #include "talk/app/webrtc/java/jni/jni_helpers.h"
36 #include "webrtc/base/asyncinvoker.h"
37 #include "webrtc/base/criticalsection.h"
38 #include "webrtc/base/thread_checker.h"
39 #include "webrtc/common_video/include/i420_buffer_pool.h"
40
41 namespace webrtc_jni {
42
43 struct NativeHandleImpl;
44 class SurfaceTextureHelper;
45
46 // AndroidVideoCapturerJni implements AndroidVideoCapturerDelegate.
47 // The purpose of the delegate is to hide the JNI specifics from the C++ only
48 // AndroidVideoCapturer.
49 class AndroidVideoCapturerJni : public webrtc::AndroidVideoCapturerDelegate {
50 public:
51 static int SetAndroidObjects(JNIEnv* jni, jobject appliction_context);
52
53 AndroidVideoCapturerJni(JNIEnv* jni,
54 jobject j_video_capturer,
55 jobject j_surface_texture_helper);
56
57 void Start(int width, int height, int framerate,
58 webrtc::AndroidVideoCapturer* capturer) override;
59 void Stop() override;
60
61 std::string GetSupportedFormats() override;
62
63 // Called from VideoCapturerAndroid::NativeObserver on a Java thread.
64 void OnCapturerStarted(bool success);
65 void OnMemoryBufferFrame(void* video_frame, int length, int width,
66 int height, int rotation, int64_t timestamp_ns);
67 void OnTextureFrame(int width, int height, int rotation, int64_t timestamp_ns,
68 const NativeHandleImpl& handle);
69 void OnOutputFormatRequest(int width, int height, int fps);
70
71 protected:
72 ~AndroidVideoCapturerJni();
73
74 private:
75 JNIEnv* jni();
76
77 // To avoid deducing Args from the 3rd parameter of AsyncCapturerInvoke.
78 template <typename T>
79 struct Identity {
80 typedef T type;
81 };
82
83 // Helper function to make safe asynchronous calls to |capturer_|. The calls
84 // are not guaranteed to be delivered.
85 template <typename... Args>
86 void AsyncCapturerInvoke(
87 const char* method_name,
88 void (webrtc::AndroidVideoCapturer::*method)(Args...),
89 typename Identity<Args>::type... args);
90
91 const ScopedGlobalRef<jobject> j_video_capturer_;
92 const ScopedGlobalRef<jclass> j_video_capturer_class_;
93 const ScopedGlobalRef<jclass> j_observer_class_;
94
95 // Used on the Java thread running the camera.
96 webrtc::I420BufferPool buffer_pool_;
97 rtc::scoped_refptr<SurfaceTextureHelper> surface_texture_helper_;
98 rtc::ThreadChecker thread_checker_;
99
100 // |capturer| is a guaranteed to be a valid pointer between a call to
101 // AndroidVideoCapturerDelegate::Start
102 // until AndroidVideoCapturerDelegate::Stop.
103 rtc::CriticalSection capturer_lock_;
104 webrtc::AndroidVideoCapturer* capturer_ GUARDED_BY(capturer_lock_);
105 // |invoker_| is used to communicate with |capturer_| on the thread Start() is
106 // called on.
107 rtc::scoped_ptr<rtc::GuardedAsyncInvoker> invoker_ GUARDED_BY(capturer_lock_);
108
109 static jobject application_context_;
110
111 RTC_DISALLOW_COPY_AND_ASSIGN(AndroidVideoCapturerJni);
112 };
113
114 } // namespace webrtc_jni
115
116 #endif // TALK_APP_WEBRTC_JAVA_JNI_ANDROIDVIDEOCAPTURER_JNI_H_
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