| /* |
| * libjingle |
| * Copyright 2013 Google Inc. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "talk/app/webrtc/remotevideocapturer.h" |
| |
| #include "talk/media/base/videoframe.h" |
| #include "webrtc/base/logging.h" |
| |
| namespace webrtc { |
| |
| RemoteVideoCapturer::RemoteVideoCapturer() {} |
| |
| RemoteVideoCapturer::~RemoteVideoCapturer() {} |
| |
| cricket::CaptureState RemoteVideoCapturer::Start( |
| const cricket::VideoFormat& capture_format) { |
| if (capture_state() == cricket::CS_RUNNING) { |
| LOG(LS_WARNING) |
| << "RemoteVideoCapturer::Start called when it's already started."; |
| return capture_state(); |
| } |
| |
| LOG(LS_INFO) << "RemoteVideoCapturer::Start"; |
| SetCaptureFormat(&capture_format); |
| return cricket::CS_RUNNING; |
| } |
| |
| void RemoteVideoCapturer::Stop() { |
| if (capture_state() == cricket::CS_STOPPED) { |
| LOG(LS_WARNING) |
| << "RemoteVideoCapturer::Stop called when it's already stopped."; |
| return; |
| } |
| |
| LOG(LS_INFO) << "RemoteVideoCapturer::Stop"; |
| SetCaptureFormat(NULL); |
| SetCaptureState(cricket::CS_STOPPED); |
| } |
| |
| bool RemoteVideoCapturer::IsRunning() { |
| return capture_state() == cricket::CS_RUNNING; |
| } |
| |
| bool RemoteVideoCapturer::GetPreferredFourccs(std::vector<uint32_t>* fourccs) { |
| if (!fourccs) |
| return false; |
| fourccs->push_back(cricket::FOURCC_I420); |
| return true; |
| } |
| |
| bool RemoteVideoCapturer::GetBestCaptureFormat( |
| const cricket::VideoFormat& desired, cricket::VideoFormat* best_format) { |
| if (!best_format) { |
| return false; |
| } |
| |
| // RemoteVideoCapturer does not support capability enumeration. |
| // Use the desired format as the best format. |
| best_format->width = desired.width; |
| best_format->height = desired.height; |
| best_format->fourcc = cricket::FOURCC_I420; |
| best_format->interval = desired.interval; |
| return true; |
| } |
| |
| bool RemoteVideoCapturer::IsScreencast() const { |
| // TODO(ronghuawu): what about remote screencast stream. |
| return false; |
| } |
| |
| } // namespace webrtc |