video_encoder.h revision 90dce4d38c5ff5333bea97d859d4e484e27edf0c
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef REMOTING_CODEC_VIDEO_ENCODER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define REMOTING_CODEC_VIDEO_ENCODER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/callback.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class SkRegion; 1290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) 1390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)namespace webrtc { 1490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)class DesktopFrame; 1590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)} // namespace webrtc 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace remoting { 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class VideoPacket; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 2190dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// A class to perform the task of encoding a continuous stream of images. The 2290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles)// interface is asynchronous to enable maximum throughput. 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class VideoEncoder { 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // DataAvailableCallback is called one or more times, for each chunk the 272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // underlying video encoder generates. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) typedef base::Callback<void(scoped_ptr<VideoPacket>)> DataAvailableCallback; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~VideoEncoder() {} 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 3290dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // Encode an image stored in |frame|. Doesn't take ownership of |frame|. When 3390dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // encoded data is available, partial or full |data_available_callback| is 3490dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) // called. 3590dce4d38c5ff5333bea97d859d4e484e27edf0cTorne (Richard Coles) virtual void Encode(const webrtc::DesktopFrame* frame, 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const DataAvailableCallback& data_available_callback) = 0; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace remoting 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // REMOTING_CODEC_VIDEO_ENCODER_H_ 42