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1 /* | |
2 * Copyright 2015 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 | |
12 #include "webrtc/api/android/jni/surfacetexturehelper_jni.h" | |
13 | |
14 #include "webrtc/api/android/jni/classreferenceholder.h" | |
15 #include "webrtc/base/bind.h" | |
16 #include "webrtc/base/checks.h" | |
17 #include "webrtc/base/logging.h" | |
18 | |
19 namespace webrtc_jni { | |
20 | |
21 rtc::scoped_refptr<SurfaceTextureHelper> SurfaceTextureHelper::create( | |
22 JNIEnv* jni, | |
23 const char* thread_name, | |
24 jobject j_egl_context) { | |
25 jobject j_surface_texture_helper = jni->CallStaticObjectMethod( | |
26 FindClass(jni, "org/webrtc/SurfaceTextureHelper"), | |
27 GetStaticMethodID(jni, FindClass(jni, "org/webrtc/SurfaceTextureHelper"), | |
28 "create", | |
29 "(Ljava/lang/String;Lorg/webrtc/EglBase$Context;)" | |
30 "Lorg/webrtc/SurfaceTextureHelper;"), | |
31 jni->NewStringUTF(thread_name), j_egl_context); | |
32 CHECK_EXCEPTION(jni) | |
33 << "error during initialization of Java SurfaceTextureHelper"; | |
34 if (IsNull(jni, j_surface_texture_helper)) | |
35 return nullptr; | |
36 return new rtc::RefCountedObject<SurfaceTextureHelper>( | |
37 jni, j_surface_texture_helper); | |
38 } | |
39 | |
40 SurfaceTextureHelper::SurfaceTextureHelper(JNIEnv* jni, | |
41 jobject j_surface_texture_helper) | |
42 : j_surface_texture_helper_(jni, j_surface_texture_helper), | |
43 j_return_texture_method_( | |
44 GetMethodID(jni, | |
45 FindClass(jni, "org/webrtc/SurfaceTextureHelper"), | |
46 "returnTextureFrame", | |
47 "()V")) { | |
48 CHECK_EXCEPTION(jni) << "error during initialization of SurfaceTextureHelper"; | |
49 } | |
50 | |
51 SurfaceTextureHelper::~SurfaceTextureHelper() { | |
52 LOG(LS_INFO) << "SurfaceTextureHelper dtor"; | |
53 JNIEnv* jni = AttachCurrentThreadIfNeeded(); | |
54 jni->CallVoidMethod( | |
55 *j_surface_texture_helper_, | |
56 GetMethodID(jni, FindClass(jni, "org/webrtc/SurfaceTextureHelper"), | |
57 "dispose", "()V")); | |
58 | |
59 CHECK_EXCEPTION(jni) << "error during SurfaceTextureHelper.dispose()"; | |
60 } | |
61 | |
62 jobject SurfaceTextureHelper::GetJavaSurfaceTextureHelper() const { | |
63 return *j_surface_texture_helper_; | |
64 } | |
65 | |
66 void SurfaceTextureHelper::ReturnTextureFrame() const { | |
67 JNIEnv* jni = AttachCurrentThreadIfNeeded(); | |
68 jni->CallVoidMethod(*j_surface_texture_helper_, j_return_texture_method_); | |
69 | |
70 CHECK_EXCEPTION( | |
71 jni) << "error during SurfaceTextureHelper.returnTextureFrame"; | |
72 } | |
73 | |
74 rtc::scoped_refptr<webrtc::VideoFrameBuffer> | |
75 SurfaceTextureHelper::CreateTextureFrame(int width, int height, | |
76 const NativeHandleImpl& native_handle) { | |
77 return new rtc::RefCountedObject<AndroidTextureBuffer>( | |
78 width, height, native_handle, *j_surface_texture_helper_, | |
79 rtc::Bind(&SurfaceTextureHelper::ReturnTextureFrame, this)); | |
80 } | |
81 | |
82 } // namespace webrtc_jni | |
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