Index: remoting/codec/video_encoder_helper.h |
diff --git a/remoting/codec/video_encoder_helper.h b/remoting/codec/video_encoder_helper.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c33fdb994f4c9bdba04ef8ad2ca1094e8dce9e93 |
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+++ b/remoting/codec/video_encoder_helper.h |
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+// Copyright 2014 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef REMOTING_CODEC_VIDEO_ENCODER_HELPER_H_ |
+#define REMOTING_CODEC_VIDEO_ENCODER_HELPER_H_ |
+ |
+#include "base/memory/scoped_ptr.h" |
+#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" |
+ |
+namespace webrtc { |
+class DesktopFrame; |
+class DesktopRegion; |
+} |
+ |
+namespace remoting { |
+ |
+class VideoPacket; |
+ |
+class VideoEncoderHelper { |
+ public: |
+ VideoEncoderHelper(); |
+ |
+ // Returns a new VideoPacket with common fields (e.g. capture_time_ms, rects |
+ // list, frame shape if any) initialized based on the supplied |frame|. |
+ // Screen width and height will be set iff |frame|'s size differs from that |
+ // of the previously-supplied frame. |
+ scoped_ptr<VideoPacket> CreateVideoPacket(const webrtc::DesktopFrame& frame); |
+ |
+ // Returns a new VideoPacket with the common fields populated from |frame|, |
+ // but the updated rects overridden by |updated_region|. This is useful for |
+ // encoders which alter the updated region e.g. by expanding it to macroblock |
+ // boundaries. |
+ scoped_ptr<VideoPacket> CreateVideoPacketWithUpdatedRegion( |
+ const webrtc::DesktopFrame& frame, |
+ const webrtc::DesktopRegion& updated_region); |
+ private: |
+ // The most recent screen size. Used to detect screen size changes. |
+ webrtc::DesktopSize screen_size_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(VideoEncoderHelper); |
+}; |
+ |
+} // namespace remoting |
+ |
+#endif // REMOTING_CODEC_VIDEO_ENCODER_HELPER_H_ |