Remove DTMF status methods from Voice Engine

These methods are not used.

R=henrika@webrtc.org, pbos@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/24689004

git-svn-id: http://webrtc.googlecode.com/svn/trunk/webrtc@7276 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/voice_engine/channel.cc b/voice_engine/channel.cc
index 93a241b..1d23afd 100644
--- a/voice_engine/channel.cc
+++ b/voice_engine/channel.cc
@@ -2627,27 +2627,6 @@
 }
 
 int
-Channel::SetDtmfPlayoutStatus(bool enable)
-{
-    WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,_channelId),
-               "Channel::SetDtmfPlayoutStatus()");
-    if (audio_coding_->SetDtmfPlayoutStatus(enable) != 0)
-    {
-        _engineStatisticsPtr->SetLastError(
-            VE_AUDIO_CODING_MODULE_ERROR, kTraceWarning,
-            "SetDtmfPlayoutStatus() failed to set Dtmf playout");
-        return -1;
-    }
-    return 0;
-}
-
-bool
-Channel::DtmfPlayoutStatus() const
-{
-    return audio_coding_->DtmfPlayoutStatus();
-}
-
-int
 Channel::SetSendTelephoneEventPayloadType(unsigned char type)
 {
     WEBRTC_TRACE(kTraceInfo, kTraceVoice, VoEId(_instanceId,_channelId),
diff --git a/voice_engine/channel.h b/voice_engine/channel.h
index 535922f..bbc286b 100644
--- a/voice_engine/channel.h
+++ b/voice_engine/channel.h
@@ -294,8 +294,6 @@
                                   int attenuationDb, bool playDtmfEvent);
     int SendTelephoneEventInband(unsigned char eventCode, int lengthMs,
                                  int attenuationDb, bool playDtmfEvent);
-    int SetDtmfPlayoutStatus(bool enable);
-    bool DtmfPlayoutStatus() const;
     int SetSendTelephoneEventPayloadType(unsigned char type);
     int GetSendTelephoneEventPayloadType(unsigned char& type);
 
diff --git a/voice_engine/include/voe_dtmf.h b/voice_engine/include/voe_dtmf.h
index 4db8cbc..4fd4496 100644
--- a/voice_engine/include/voe_dtmf.h
+++ b/voice_engine/include/voe_dtmf.h
@@ -71,13 +71,6 @@
     virtual int GetSendTelephoneEventPayloadType(int channel,
                                                  unsigned char& type) = 0;
 
-    // Enables or disables local tone playout for received DTMF events
-    // out-of-band.
-    virtual int SetDtmfPlayoutStatus(int channel, bool enable) = 0;
-
-    // Gets the DTMF playout status.
-    virtual int GetDtmfPlayoutStatus(int channel, bool& enabled) = 0;
-
     // Toogles DTMF feedback state: when a DTMF tone is sent, the same tone
     // is played out on the speaker.
     virtual int SetDtmfFeedbackStatus(bool enable,
diff --git a/voice_engine/test/auto_test/standard/dtmf_test.cc b/voice_engine/test/auto_test/standard/dtmf_test.cc
index a4feb2e..18faa97 100644
--- a/voice_engine/test/auto_test/standard/dtmf_test.cc
+++ b/voice_engine/test/auto_test/standard/dtmf_test.cc
@@ -52,18 +52,6 @@
   EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 110, true));
 }
 
-TEST_F(DtmfTest, ManualCanDisableDtmfPlayoutExceptOnIphone) {
-  TEST_LOG("Disabling DTMF playout (no tone should be heard) \n");
-  EXPECT_EQ(0, voe_dtmf_->SetDtmfPlayoutStatus(channel_, false));
-  EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 0, true));
-  Sleep(500);
-
-  TEST_LOG("Enabling DTMF playout (tone should be heard) \n");
-  EXPECT_EQ(0, voe_dtmf_->SetDtmfPlayoutStatus(channel_, true));
-  EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 0, true));
-  Sleep(500);
-}
-
 // This test modifies the DTMF payload type from the default 106 to 88
 // and then runs through 16 DTMF out.of-band events.
 TEST_F(DtmfTest, ManualCanChangeDtmfPayloadType) {
diff --git a/voice_engine/voe_dtmf_impl.cc b/voice_engine/voe_dtmf_impl.cc
index 70872c6..2d775e3 100644
--- a/voice_engine/voe_dtmf_impl.cc
+++ b/voice_engine/voe_dtmf_impl.cc
@@ -257,53 +257,6 @@
         enabled, directFeedback);
     return 0;
 }
-
-int VoEDtmfImpl::SetDtmfPlayoutStatus(int channel, bool enable)
-{
-    WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
-                 "SetDtmfPlayoutStatus(channel=%d, enable=%d)",
-                 channel, enable);
-
-    if (!_shared->statistics().Initialized())
-    {
-        _shared->SetLastError(VE_NOT_INITED, kTraceError);
-        return -1;
-    }
-    voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
-    voe::Channel* channelPtr = ch.channel();
-    if (channelPtr == NULL)
-    {
-        _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
-            "SetDtmfPlayoutStatus() failed to locate channel");
-        return -1;
-    }
-    return channelPtr->SetDtmfPlayoutStatus(enable);
-}
-
-int VoEDtmfImpl::GetDtmfPlayoutStatus(int channel, bool& enabled)
-{
-    WEBRTC_TRACE(kTraceApiCall, kTraceVoice, VoEId(_shared->instance_id(), -1),
-                 "GetDtmfPlayoutStatus(channel=%d, enabled=?)", channel);
-    if (!_shared->statistics().Initialized())
-    {
-        _shared->SetLastError(VE_NOT_INITED, kTraceError);
-        return -1;
-    }
-    voe::ChannelOwner ch = _shared->channel_manager().GetChannel(channel);
-    voe::Channel* channelPtr = ch.channel();
-    if (channelPtr == NULL)
-    {
-        _shared->SetLastError(VE_CHANNEL_NOT_VALID, kTraceError,
-            "GetDtmfPlayoutStatus() failed to locate channel");
-        return -1;
-    }
-    enabled = channelPtr->DtmfPlayoutStatus();
-    WEBRTC_TRACE(kTraceStateInfo, kTraceVoice,
-        VoEId(_shared->instance_id(), -1),
-        "GetDtmfPlayoutStatus() => enabled=%d", enabled);
-    return 0;
-}
-
 #endif  // #ifdef WEBRTC_VOICE_ENGINE_DTMF_API
 
 }  // namespace webrtc
diff --git a/voice_engine/voe_dtmf_impl.h b/voice_engine/voe_dtmf_impl.h
index 9216238..81a95c0 100644
--- a/voice_engine/voe_dtmf_impl.h
+++ b/voice_engine/voe_dtmf_impl.h
@@ -42,10 +42,6 @@
                              int lengthMs = 200,
                              int attenuationDb = 10);
 
-    virtual int SetDtmfPlayoutStatus(int channel, bool enable);
-
-    virtual int GetDtmfPlayoutStatus(int channel, bool& enabled);
-
 protected:
     VoEDtmfImpl(voe::SharedData* shared);
     virtual ~VoEDtmfImpl();