116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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#include "playlist_lists.h"
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#include "OS.h"
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#include "playlist_utils.h"
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// ************************
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//
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// MEDIA STREAM LIST
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//
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// ************************
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void MediaStreamList::SetUpStreamSSRCs()
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{
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UInt32 ssrc;
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MediaStream* setMediaStreamPtr;
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MediaStream* aMediaStreamPtr;
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bool found_duplicate;
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for (int i = 0; i < Size(); i++)
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{
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setMediaStreamPtr = SetPos(i);
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if (setMediaStreamPtr != NULL) do
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{
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ssrc = PlayListUtils::Random() + ( (UInt32) OS::Milliseconds() ); // get a new ssrc
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aMediaStreamPtr = Begin(); // start at the beginning of the stream list
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found_duplicate = false; // default is don't loop
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while (aMediaStreamPtr != NULL) //check all the streams for a duplicate
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{
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if (aMediaStreamPtr->fData.fInitSSRC == ssrc) // it is a duplicate
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{ found_duplicate = true; // set to loop: try a new ssrc
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break;
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}
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aMediaStreamPtr = Next(); // keep checking for a duplicate
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}
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if (!found_duplicate) // no duplicates found so keep this ssrc
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setMediaStreamPtr->fData.fInitSSRC = ssrc;
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} while (found_duplicate); // we have a duplicate ssrc so find another one
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}
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}
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void MediaStreamList::StreamStarted(SInt64 startTime)
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{
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for ( MediaStream *theStreamPtr = Begin(); (theStreamPtr != NULL) ; theStreamPtr = Next() )
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{
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theStreamPtr->StreamStart(startTime);
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}
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}
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void MediaStreamList::MovieStarted(SInt64 startTime)
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{
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for ( MediaStream *theStreamPtr = Begin(); (theStreamPtr != NULL) ; theStreamPtr = Next() )
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{
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theStreamPtr->MovieStart(startTime);
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}
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}
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void MediaStreamList::MovieEnded(SInt64 endTime)
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{
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for ( MediaStream *theStreamPtr = Begin(); (theStreamPtr != NULL) ; theStreamPtr = Next() )
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{
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theStreamPtr->MovieEnd(endTime);
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}
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}
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SInt16 MediaStreamList::UpdateStreams()
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{
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SInt16 err = 0;
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for ( MediaStream *theStreamPtr = Begin(); (theStreamPtr != NULL) ; theStreamPtr = Next() )
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{
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theStreamPtr->ReceiveOnPorts();
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};
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return err;
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}
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void MediaStreamList::UpdateSenderReportsOnStreams()
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{
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SInt64 theTime = PlayListUtils::Milliseconds();
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for ( MediaStream *theStreamPtr = Begin(); (theStreamPtr != NULL) ; theStreamPtr = Next() )
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{
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(void) theStreamPtr->UpdateSenderReport(theTime);
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};
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}
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