Index: remoting/codec/webrtc_video_encoder.h |
diff --git a/remoting/codec/webrtc_video_encoder.h b/remoting/codec/webrtc_video_encoder.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3b56a455bd95efd822d7d6ccd98723b3e971ed90 |
--- /dev/null |
+++ b/remoting/codec/webrtc_video_encoder.h |
@@ -0,0 +1,51 @@ |
+// Copyright 2016 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_WEBRTC_VIDEO_ENCODER_H_ |
+#define REMOTING_CODEC_WEBRTC_VIDEO_ENCODER_H_ |
+ |
+#include <stdint.h> |
+ |
+#include <memory> |
+ |
+#include "base/time/time.h" |
+#include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h" |
+ |
+namespace webrtc { |
+class DesktopFrame; |
+} // namespace webrtc |
+ |
+namespace remoting { |
+ |
+// A class to perform the task of encoding a continuous stream of images. The |
+// interface is asynchronous to enable maximum throughput. |
+class WebrtcVideoEncoder { |
+ public: |
+ struct FrameParams { |
+ int bitrate_kbps; |
+ base::TimeDelta duration; |
+ bool key_frame; |
+ }; |
+ |
+ struct EncodedFrame { |
+ webrtc::DesktopSize size; |
+ std::string data; |
+ bool key_frame; |
+ int quantizer; |
+ }; |
+ |
+ virtual ~WebrtcVideoEncoder() {} |
+ |
+ // Encode an image stored in |frame|. If |frame.updated_region()| is empty |
+ // then the encoder may return a packet (e.g. to top-off previously-encoded |
+ // portions of the frame to higher quality) or return nullptr to indicate that |
+ // there is no work to do. |
+ virtual std::unique_ptr<EncodedFrame> Encode( |
+ const webrtc::DesktopFrame& frame, |
+ const FrameParams& param) = 0; |
+}; |
+ |
+} // namespace remoting |
+ |
+#endif // REMOTING_CODEC_WEBRTC_VIDEO_ENCODER_H_ |