| /* |
| * Copyright 2015 The WebRTC project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef SDK_ANDROID_SRC_JNI_VIDEOFRAME_H_ |
| #define SDK_ANDROID_SRC_JNI_VIDEOFRAME_H_ |
| |
| #include <jni.h> |
| |
| #include "api/video/video_frame.h" |
| #include "api/video/video_frame_buffer.h" |
| #include "api/video/video_rotation.h" |
| #include "rtc_base/callback.h" |
| #include "sdk/android/src/jni/jni_helpers.h" |
| |
| namespace webrtc { |
| namespace jni { |
| |
| class AndroidVideoBuffer : public VideoFrameBuffer { |
| public: |
| // Creates a native VideoFrameBuffer from a Java VideoFrame.Buffer. |
| static rtc::scoped_refptr<AndroidVideoBuffer> Create( |
| JNIEnv* jni, |
| const JavaRef<jobject>& j_video_frame_buffer); |
| |
| // Similar to the Create() above, but adopts and takes ownership of the Java |
| // VideoFrame.Buffer. I.e. retain() will not be called, but release() will be |
| // called when the returned AndroidVideoBuffer is destroyed. |
| static rtc::scoped_refptr<AndroidVideoBuffer> Adopt( |
| JNIEnv* jni, |
| const JavaRef<jobject>& j_video_frame_buffer); |
| |
| ~AndroidVideoBuffer() override; |
| |
| const ScopedJavaGlobalRef<jobject>& video_frame_buffer() const; |
| |
| // Crops a region defined by |crop_x|, |crop_y|, |crop_width| and |
| // |crop_height|. Scales it to size |scale_width| x |scale_height|. |
| rtc::scoped_refptr<AndroidVideoBuffer> CropAndScale(JNIEnv* jni, |
| int crop_x, |
| int crop_y, |
| int crop_width, |
| int crop_height, |
| int scale_width, |
| int scale_height); |
| |
| protected: |
| // Should not be called directly. Adopts the Java VideoFrame.Buffer. Use |
| // Create() or Adopt() instead for clarity. |
| AndroidVideoBuffer(JNIEnv* jni, const JavaRef<jobject>& j_video_frame_buffer); |
| |
| private: |
| Type type() const override; |
| int width() const override; |
| int height() const override; |
| |
| rtc::scoped_refptr<I420BufferInterface> ToI420() override; |
| |
| const int width_; |
| const int height_; |
| // Holds a VideoFrame.Buffer. |
| const ScopedJavaGlobalRef<jobject> j_video_frame_buffer_; |
| }; |
| |
| VideoFrame JavaToNativeFrame(JNIEnv* jni, |
| const JavaRef<jobject>& j_video_frame, |
| uint32_t timestamp_rtp); |
| |
| // NOTE: Returns a new video frame that has to be released by calling |
| // ReleaseJavaVideoFrame. |
| ScopedJavaLocalRef<jobject> NativeToJavaVideoFrame(JNIEnv* jni, |
| const VideoFrame& frame); |
| void ReleaseJavaVideoFrame(JNIEnv* jni, const JavaRef<jobject>& j_video_frame); |
| |
| int64_t GetJavaVideoFrameTimestampNs(JNIEnv* jni, |
| const JavaRef<jobject>& j_video_frame); |
| |
| } // namespace jni |
| } // namespace webrtc |
| |
| #endif // SDK_ANDROID_SRC_JNI_VIDEOFRAME_H_ |