1 files changed, 23 insertions, 9 deletions
diff --git a/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/audio/AudioStreamGraphRtpTx.cpp b/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/audio/AudioStreamGraphRtpTx.cpp
index 372a137d..4a991320 100644
--- a/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/audio/AudioStreamGraphRtpTx.cpp
+++ b/service/src/com/android/telephony/imsmedia/lib/libimsmedia/core/audio/AudioStreamGraphRtpTx.cpp
@@ -20,7 +20,6 @@
 #include <AudioConfig.h>
 #include <IAudioSourceNode.h>
 #include <DtmfEncoderNode.h>
-#include <DtmfSenderNode.h>
 #include <AudioRtpPayloadEncoderNode.h>
 #include <RtpEncoderNode.h>
 #include <SocketWriterNode.h>
@@ -155,6 +154,23 @@ ImsMediaResult AudioStreamGraphRtpTx::update(RtpConfig* config)
     return ret;
 }
 
+ImsMediaResult AudioStreamGraphRtpTx::start()
+{
+    if (mConfig == nullptr)
+    {
+        return RESULT_NOT_READY;
+    }
+
+    if (mConfig->getMediaDirection() == RtpConfig::MEDIA_DIRECTION_SEND_ONLY ||
+            mConfig->getMediaDirection() == RtpConfig::MEDIA_DIRECTION_SEND_RECEIVE)
+    {
+        return BaseStreamGraph::start();
+    }
+
+    // not started
+    return RESULT_SUCCESS;
+}
+
 bool AudioStreamGraphRtpTx::createDtmfGraph(RtpConfig* config, BaseNode* rtpEncoderNode)
 {
     if (config == nullptr)
@@ -169,22 +185,20 @@ bool AudioStreamGraphRtpTx::createDtmfGraph(RtpConfig* config, BaseNode* rtpEnco
         return false;
     }
 
+    if (mConfig == nullptr)
+    {
+        mConfig = new AudioConfig(*audioConfig);
+    }
+
     BaseNode* pDtmfEncoderNode = new DtmfEncoderNode(mCallback);
     pDtmfEncoderNode->SetMediaType(IMS_MEDIA_AUDIO);
     pDtmfEncoderNode->SetConfig(audioConfig);
     AddNode(pDtmfEncoderNode);
     mListDtmfNodes.push_back(pDtmfEncoderNode);
 
-    BaseNode* pDtmfSenderNode = new DtmfSenderNode(mCallback);
-    pDtmfSenderNode->SetMediaType(IMS_MEDIA_AUDIO);
-    pDtmfSenderNode->SetConfig(audioConfig);
-    pDtmfEncoderNode->ConnectRearNode(pDtmfSenderNode);
-    AddNode(pDtmfSenderNode);
-    mListDtmfNodes.push_back(pDtmfSenderNode);
-
     if (rtpEncoderNode != nullptr)
     {
-        pDtmfSenderNode->ConnectRearNode(rtpEncoderNode);
+        pDtmfEncoderNode->ConnectRearNode(rtpEncoderNode);
     }
 
     return true;