1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef REMOTING_CODEC_VIDEO_ENCODER_H_ 6 #define REMOTING_CODEC_VIDEO_ENCODER_H_ 7 8 #include "base/basictypes.h" 9 #include "base/callback.h" 10 11 class SkRegion; 12 13 namespace webrtc { 14 class DesktopFrame; 15 } // namespace webrtc 16 17 namespace remoting { 18 19 class VideoPacket; 20 21 // A class to perform the task of encoding a continuous stream of images. The 22 // interface is asynchronous to enable maximum throughput. 23 class VideoEncoder { 24 public: 25 26 // DataAvailableCallback is called one or more times, for each chunk the 27 // underlying video encoder generates. 28 typedef base::Callback<void(scoped_ptr<VideoPacket>)> DataAvailableCallback; 29 30 virtual ~VideoEncoder() {} 31 32 // Encode an image stored in |frame|. Doesn't take ownership of |frame|. When 33 // encoded data is available, partial or full |data_available_callback| is 34 // called. 35 virtual void Encode(const webrtc::DesktopFrame* frame, 36 const DataAvailableCallback& data_available_callback) = 0; 37 }; 38 39 } // namespace remoting 40 41 #endif // REMOTING_CODEC_VIDEO_ENCODER_H_ 42
