/* * Copyright 2011 The WebRTC project authors . All Rights Reserved . * * Use of this source code is governed by a BSD - style license * that can be found in the LICENSE file in the root of the source * tree . An additional intellectual property rights grant can be found * in the file PATENTS . All contributing project authors may * be found in the AUTHORS file in the root of the source tree . * / # ifndef PC_STREAM_COLLECTION_H_ # define PC_STREAM_COLLECTION_H_ # include < cstddef > # include < string > # include < utility > # include < vector > # include " api / make_ref_counted . h " # include " api / media_stream_interface . h " # include " api / peer_connection_interface . h " # include " api / scoped_refptr . h " namespace webrtc { // Implementation of StreamCollection. class StreamCollection : public StreamCollectionInterface { public : static scoped_refptr < StreamCollection > Create ( ) { return make_ref_counted < StreamCollection > ( ) ; } static scoped_refptr < StreamCollection > Create ( StreamCollection * streams ) { return make_ref_counted < StreamCollection > ( streams ) ; } size_t count ( ) override { return media_streams_ . size ( ) ; } MediaStreamInterface * at ( size_t index ) override { return media_streams_ . at ( index ) . get ( ) ; } MediaStreamInterface * find ( const std : : string & id ) override { for ( StreamVector : : iterator it = media_streams_ . begin ( ) ; it ! = media_streams_ . end ( ) ; + + it ) { if ( ( * it ) - > id ( ) . compare ( id ) = = 0 ) { return ( * it ) . get ( ) ; } } return NULL ; } MediaStreamTrackInterface * FindAudioTrack ( const std : : string & id ) override { for ( size_t i = 0 ; i < media_streams_ . size ( ) ; + + i ) { MediaStreamTrackInterface * track = media_streams_ [ i ] - > FindAudioTrack ( id ) . get ( ) ; if ( track ) { return track ; } } return NULL ; } MediaStreamTrackInterface * FindVideoTrack ( const std : : string & id ) override { for ( size_t i = 0 ; i < media_streams_ . size ( ) ; + + i ) { MediaStreamTrackInterface * track = media_streams_ [ i ] - > FindVideoTrack ( id ) . get ( ) ; if ( track ) { return track ; } } return NULL ; } void AddStream ( scoped_refptr < MediaStreamInterface > stream ) { for ( StreamVector : : iterator it = media_streams_ . begin ( ) ; it ! = media_streams_ . end ( ) ; + + it ) { if ( ( * it ) - > id ( ) . compare ( stream - > id ( ) ) = = 0 ) return ; } media_streams_ . push_back ( std : : move ( stream ) ) ; } void RemoveStream ( MediaStreamInterface * remove_stream ) { for ( StreamVector : : iterator it = media_streams_ . begin ( ) ; it ! = media_streams_ . end ( ) ; + + it ) { if ( ( * it ) - > id ( ) . compare ( remove_stream - > id ( ) ) = = 0 ) { media_streams_ . erase ( it ) ; break ; } } } protected : StreamCollection ( ) { } explicit StreamCollection ( StreamCollection * original ) : media_streams_ ( original - > media_streams_ ) { } typedef std : : vector < scoped_refptr < MediaStreamInterface > > StreamVector ; StreamVector media_streams_ ; } ; } // namespace webrtc # endif // PC_STREAM_COLLECTION_H_
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