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/*
* 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>* 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
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