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      1 /*
      2  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
      3  *
      4  *  Use of this source code is governed by a BSD-style license
      5  *  that can be found in the LICENSE file in the root of the source
      6  *  tree. An additional intellectual property rights grant can be found
      7  *  in the file PATENTS.  All contributing project authors may
      8  *  be found in the AUTHORS file in the root of the source tree.
      9  */
     10 
     11 #include "webrtc/voice_engine/test/auto_test/fixtures/after_streaming_fixture.h"
     12 #include "webrtc/voice_engine/voice_engine_defines.h"
     13 
     14 class DtmfTest : public AfterStreamingFixture {
     15  protected:
     16   void RunSixteenDtmfEvents(bool out_of_band) {
     17     TEST_LOG("Sending telephone events:\n");
     18     EXPECT_EQ(0, voe_dtmf_->SetDtmfFeedbackStatus(false));
     19 
     20     for (int i = 0; i < 16; i++) {
     21       TEST_LOG("%d ", i);
     22       TEST_LOG_FLUSH;
     23       EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(
     24           channel_, i, out_of_band, 160, 10));
     25       Sleep(500);
     26     }
     27     TEST_LOG("\n");
     28   }
     29 };
     30 
     31 TEST_F(DtmfTest, DtmfFeedbackIsEnabledByDefaultButNotDirectFeedback) {
     32   bool dtmf_feedback = false;
     33   bool dtmf_direct_feedback = false;
     34 
     35   EXPECT_EQ(0, voe_dtmf_->GetDtmfFeedbackStatus(dtmf_feedback,
     36                                                 dtmf_direct_feedback));
     37 
     38   EXPECT_TRUE(dtmf_feedback);
     39   EXPECT_FALSE(dtmf_direct_feedback);
     40 }
     41 
     42 TEST_F(DtmfTest, ManualSuccessfullySendsInBandTelephoneEvents) {
     43   RunSixteenDtmfEvents(false);
     44 }
     45 
     46 TEST_F(DtmfTest, ManualSuccessfullySendsOutOfBandTelephoneEvents) {
     47   RunSixteenDtmfEvents(true);
     48 }
     49 
     50 TEST_F(DtmfTest, TestTwoNonDtmfEvents) {
     51   EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 32, true));
     52   EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 110, true));
     53 }
     54 
     55 TEST_F(DtmfTest, ManualCanDisableDtmfPlayoutExceptOnIphone) {
     56   TEST_LOG("Disabling DTMF playout (no tone should be heard) \n");
     57   EXPECT_EQ(0, voe_dtmf_->SetDtmfPlayoutStatus(channel_, false));
     58   EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 0, true));
     59   Sleep(500);
     60 
     61   TEST_LOG("Enabling DTMF playout (tone should be heard) \n");
     62   EXPECT_EQ(0, voe_dtmf_->SetDtmfPlayoutStatus(channel_, true));
     63   EXPECT_EQ(0, voe_dtmf_->SendTelephoneEvent(channel_, 0, true));
     64   Sleep(500);
     65 }
     66 
     67 // This test modifies the DTMF payload type from the default 106 to 88
     68 // and then runs through 16 DTMF out.of-band events.
     69 TEST_F(DtmfTest, ManualCanChangeDtmfPayloadType) {
     70   webrtc::CodecInst codec_instance;
     71 
     72   TEST_LOG("Changing DTMF payload type.\n");
     73 
     74   // Start by modifying the receiving side.
     75   for (int i = 0; i < voe_codec_->NumOfCodecs(); i++) {
     76     EXPECT_EQ(0, voe_codec_->GetCodec(i, codec_instance));
     77     if (!_stricmp("telephone-event", codec_instance.plname)) {
     78       codec_instance.pltype = 88;  // Use 88 instead of default 106.
     79       EXPECT_EQ(0, voe_base_->StopSend(channel_));
     80       EXPECT_EQ(0, voe_base_->StopPlayout(channel_));
     81       EXPECT_EQ(0, voe_base_->StopReceive(channel_));
     82       EXPECT_EQ(0, voe_codec_->SetRecPayloadType(channel_, codec_instance));
     83       EXPECT_EQ(0, voe_base_->StartReceive(channel_));
     84       EXPECT_EQ(0, voe_base_->StartPlayout(channel_));
     85       EXPECT_EQ(0, voe_base_->StartSend(channel_));
     86       break;
     87     }
     88   }
     89 
     90   Sleep(500);
     91 
     92   // Next, we must modify the sending side as well.
     93   EXPECT_EQ(0, voe_dtmf_->SetSendTelephoneEventPayloadType(
     94       channel_, codec_instance.pltype));
     95 
     96   RunSixteenDtmfEvents(true);
     97 
     98   EXPECT_EQ(0, voe_dtmf_->SetDtmfFeedbackStatus(true, false));
     99 }
    100