Index: webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h |
diff --git a/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h b/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3bf6498f32e8d559cb05b7ce307ec0f46a2bdd33 |
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+++ b/webrtc/sdk/objc/Framework/Classes/corevideo_frame_buffer.h |
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+/* |
+ * Copyright 2016 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 WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COREVIDEO_FRAME_BUFFER_H_ |
+#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COREVIDEO_FRAME_BUFFER_H_ |
+ |
+#include <CoreVideo/CoreVideo.h> |
+ |
+#include <vector> |
+ |
+#include "webrtc/common_video/include/video_frame_buffer.h" |
+ |
+namespace webrtc { |
+ |
+class CoreVideoFrameBuffer : public NativeHandleBuffer { |
+ public: |
+ explicit CoreVideoFrameBuffer(CVPixelBufferRef pixel_buffer); |
+ CoreVideoFrameBuffer(CVPixelBufferRef pixel_buffer, |
+ int adapted_width, |
+ int adapted_height, |
+ int crop_width, |
+ int crop_height, |
+ int crop_x, |
+ int crop_y); |
+ ~CoreVideoFrameBuffer() override; |
+ |
+ rtc::scoped_refptr<VideoFrameBuffer> NativeToI420Buffer() override; |
+ // Returns true if the internal pixel buffer needs to be cropped. |
+ bool RequiresCropping() const; |
+ // Crop and scales the internal pixel buffer to the output pixel buffer. The |
+ // tmp buffer is used for intermediary splitting the UV channels. This |
+ // function returns true if successful. |
+ bool CropAndScaleTo(std::vector<uint8_t>* tmp_buffer, |
+ CVPixelBufferRef output_pixel_buffer) const; |
+ |
+ private: |
+ CVPixelBufferRef pixel_buffer_; |
+ // buffer_width/height is the actual pixel buffer resolution. The width/height |
+ // in NativeHandleBuffer, i.e. width()/height(), is the resolution we will |
+ // scale to in NativeToI420Buffer(). Cropping happens before scaling, so: |
+ // buffer_width >= crop_width >= width(). |
+ const int buffer_width_; |
+ const int buffer_height_; |
+ const int crop_width_; |
+ const int crop_height_; |
+ const int crop_x_; |
+ const int crop_y_; |
+}; |
+ |
+} // namespace webrtc |
+ |
+#endif // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_COREVIDEO_FRAME_BUFFER_H_ |