28e2075280
trunk/talk git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/*
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* libjingle
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* Copyright 2011, Google Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "talk/app/webrtc/mediastream.h"
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#include "talk/base/logging.h"
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namespace webrtc {
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template <class V>
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static typename V::iterator FindTrack(V* vector,
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const std::string& track_id) {
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typename V::iterator it = vector->begin();
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for (; it != vector->end(); ++it) {
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if ((*it)->id() == track_id) {
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break;
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}
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}
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return it;
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};
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talk_base::scoped_refptr<MediaStream> MediaStream::Create(
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const std::string& label) {
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talk_base::RefCountedObject<MediaStream>* stream =
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new talk_base::RefCountedObject<MediaStream>(label);
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return stream;
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}
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MediaStream::MediaStream(const std::string& label)
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: label_(label) {
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}
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bool MediaStream::AddTrack(AudioTrackInterface* track) {
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return AddTrack<AudioTrackVector, AudioTrackInterface>(&audio_tracks_, track);
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}
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bool MediaStream::AddTrack(VideoTrackInterface* track) {
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return AddTrack<VideoTrackVector, VideoTrackInterface>(&video_tracks_, track);
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}
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bool MediaStream::RemoveTrack(AudioTrackInterface* track) {
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return RemoveTrack<AudioTrackVector>(&audio_tracks_, track);
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}
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bool MediaStream::RemoveTrack(VideoTrackInterface* track) {
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return RemoveTrack<VideoTrackVector>(&video_tracks_, track);
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}
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talk_base::scoped_refptr<AudioTrackInterface>
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MediaStream::FindAudioTrack(const std::string& track_id) {
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AudioTrackVector::iterator it = FindTrack(&audio_tracks_, track_id);
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if (it == audio_tracks_.end())
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return NULL;
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return *it;
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}
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talk_base::scoped_refptr<VideoTrackInterface>
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MediaStream::FindVideoTrack(const std::string& track_id) {
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VideoTrackVector::iterator it = FindTrack(&video_tracks_, track_id);
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if (it == video_tracks_.end())
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return NULL;
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return *it;
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}
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template <typename TrackVector, typename Track>
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bool MediaStream::AddTrack(TrackVector* tracks, Track* track) {
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typename TrackVector::iterator it = FindTrack(tracks, track->id());
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if (it != tracks->end())
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return false;
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tracks->push_back(track);
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FireOnChanged();
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return true;
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}
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template <typename TrackVector>
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bool MediaStream::RemoveTrack(TrackVector* tracks,
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MediaStreamTrackInterface* track) {
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ASSERT(tracks != NULL);
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if (!track)
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return false;
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typename TrackVector::iterator it = FindTrack(tracks, track->id());
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if (it == tracks->end())
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return false;
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tracks->erase(it);
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FireOnChanged();
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return true;
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}
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} // namespace webrtc
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