Home | History | Annotate | Download | only in src 
      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 /**
     19  * @file pvmf_rtcp_timer.cpp
     20  * @brief RTCP timer to Jitter Buffer Node
     21  */
     22 #ifndef PVMF_RTCP_TIMER_H_INCLUDED
     23 #include "pvmf_rtcp_timer.h"
     24 #endif
     25 
     26 #ifndef PVMF_JITTER_BUFFER_COMMON_INTERNAL_H
     27 #include "pvmf_jitter_buffer_common_internal.h"
     28 #endif
     29 
     30 #define RTCP_HOLD_DATA_SIZE 2
     31 
     32 ////////////////////////////////////////////////////////////////////////////
     33 PvmfRtcpTimer::PvmfRtcpTimer(PvmfRtcpTimerObserver* aObserver)
     34         : OsclTimerObject(OsclActiveObject::EPriorityNominal, "PvmfRtcpTimer"),
     35         iRTCPTimeIntervalInMicroSecs(DEFAULT_RTCP_INTERVAL_USEC),
     36         iObserver(aObserver),
     37         iStarted(false)
     38 {
     39     iBufAlloc = NULL;
     40     ipLogger = PVLogger::GetLoggerObject("PvmfRtcpTimer");
     41     AddToScheduler();
     42     iRTCPBufAlloc.ipRTCPRRMsgBufAlloc = createRTCPRRBufAllocReSize();
     43 }
     44 
     45 ////////////////////////////////////////////////////////////////////////////
     46 PvmfRtcpTimer::~PvmfRtcpTimer()
     47 {
     48     Stop();
     49     if (iBufAlloc != NULL)
     50     {
     51         iBufAlloc->removeRef();
     52         iBufAlloc = NULL;
     53     }
     54     if (iImplAlloc != NULL)
     55     {
     56         OSCL_DELETE(iImplAlloc);
     57     }
     58 }
     59 
     60 ////////////////////////////////////////////////////////////////////////////
     61 PVMFStatus PvmfRtcpTimer::Start()
     62 {
     63     PVMF_JB_LOGINFO((0, "PvmfRtcpTimer::Start iRTCPTimeIntervalInMicroSecs Interval %d", iRTCPTimeIntervalInMicroSecs));
     64     if (iRTCPTimeIntervalInMicroSecs > 0)
     65     {
     66         RunIfNotReady(iRTCPTimeIntervalInMicroSecs);
     67         iStarted = true;
     68         return PVMFSuccess;
     69     }
     70     else
     71     {
     72         return PVMFFailure;
     73     }
     74 }
     75 
     76 ////////////////////////////////////////////////////////////////////////////
     77 PVMFStatus PvmfRtcpTimer::setRTCPInterval(uint32 rtcpTimeIntervalInMicroSecs)
     78 {
     79     PVMF_JB_LOGINFO((0, "PvmfRtcpTimer::ResetRTCPInterval"));
     80     iRTCPTimeIntervalInMicroSecs = rtcpTimeIntervalInMicroSecs;
     81     return PVMFSuccess;
     82 }
     83 
     84 ////////////////////////////////////////////////////////////////////////////
     85 PVMFStatus PvmfRtcpTimer::Stop()
     86 {
     87     PVMF_JB_LOGINFO((0, "PvmfRtcpTimer::Stop"));
     88     Cancel();
     89     iStarted = false;
     90     return PVMFSuccess;
     91 }
     92 
     93 ////////////////////////////////////////////////////////////////////////////
     94 void PvmfRtcpTimer::Run()
     95 {
     96     PVMF_JB_LOGINFO((0, "PvmfRtcpTimer::Run"));
     97 
     98     if (!iStarted)
     99         return;
    100 
    101     if (!iObserver)
    102     {
    103         PVMF_JB_LOGERROR((0, "PvmfRtcpTimer::Run: Error - Observer not set"));
    104         return;
    105     }
    106 
    107     iObserver->RtcpTimerEvent();
    108     /*
    109      * Do not reschudule the AO here. Observer would reschedule this AO
    110      * once it is done processing the timer event.
    111      */
    112 }
    113 
    114 PVMFResizableSimpleMediaMsgAlloc*
    115 PvmfRtcpTimer::createRTCPRRBufAllocReSize()
    116 {
    117     int32 leavecode = 0;
    118 
    119     OSCL_TRY(leavecode,
    120              iBufAlloc = OSCL_NEW(OsclMemPoolResizableAllocator, (DEFAULT_RTCP_SOCKET_MEM_POOL_SIZE_IN_BYTES, 1));
    121              iImplAlloc = OSCL_NEW(PVMFResizableSimpleMediaMsgAlloc, (iBufAlloc));
    122             );
    123 
    124     if (leavecode || (!iBufAlloc) || (!iImplAlloc))
    125     {
    126         PVMF_JB_LOGERROR((0, "PvmfRtcpTimer::createRTCPRRBufAllocReSize: Error - Memory allocation failed"));
    127         OSCL_LEAVE(OsclErrNoMemory);
    128     }
    129 
    130     iBufAlloc->enablenullpointerreturn();
    131 
    132     return iImplAlloc;
    133 }
    134