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_NATIVE_HANDLE_IMPL_H_ 30 #define TALK_APP_WEBRTC_JAVA_JNI_NATIVE_HANDLE_IMPL_H_ 31 32 #include <jni.h> 33 34 #include "webrtc/common_video/include/video_frame_buffer.h" 35 #include "webrtc/common_video/rotation.h" 36 37 namespace webrtc_jni { 38 39 // Wrapper for texture object. 40 struct NativeHandleImpl { 41 NativeHandleImpl(JNIEnv* jni, 42 jint j_oes_texture_id, 43 jfloatArray j_transform_matrix); 44 45 const int oes_texture_id; 46 float sampling_matrix[16]; 47 }; 48 49 class AndroidTextureBuffer : public webrtc::NativeHandleBuffer { 50 public: 51 AndroidTextureBuffer(int width, 52 int height, 53 const NativeHandleImpl& native_handle, 54 jobject surface_texture_helper, 55 const rtc::Callback0<void>& no_longer_used); 56 ~AndroidTextureBuffer(); 57 rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override; 58 59 rtc::scoped_refptr<AndroidTextureBuffer> ScaleAndRotate( 60 int dst_widht, 61 int dst_height, 62 webrtc::VideoRotation rotation); 63 64 private: 65 NativeHandleImpl native_handle_; 66 // Raw object pointer, relying on the caller, i.e., 67 // AndroidVideoCapturerJni or the C++ SurfaceTextureHelper, to keep 68 // a global reference. TODO(nisse): Make this a reference to the C++ 69 // SurfaceTextureHelper instead, but that requires some refactoring 70 // of AndroidVideoCapturerJni. 71 jobject surface_texture_helper_; 72 rtc::Callback0<void> no_longer_used_cb_; 73 }; 74 75 } // namespace webrtc_jni 76 77 #endif // TALK_APP_WEBRTC_JAVA_JNI_NATIVE_HANDLE_IMPL_H_ 78