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 #ifndef WEBRTC_MODULES_AUDIO_CODING_TEST_TESTVADDTX_H_ 12 #define WEBRTC_MODULES_AUDIO_CODING_TEST_TESTVADDTX_H_ 13 14 15 #include "webrtc/base/scoped_ptr.h" 16 #include "webrtc/common_types.h" 17 #include "webrtc/modules/audio_coding/include/audio_coding_module.h" 18 #include "webrtc/modules/audio_coding/include/audio_coding_module_typedefs.h" 19 #include "webrtc/modules/audio_coding/test/ACMTest.h" 20 #include "webrtc/modules/audio_coding/test/Channel.h" 21 22 namespace webrtc { 23 24 class ActivityMonitor : public ACMVADCallback { 25 public: 26 ActivityMonitor(); 27 int32_t InFrameType(FrameType frame_type); 28 void PrintStatistics(); 29 void ResetStatistics(); 30 void GetStatistics(uint32_t* stats); 31 private: 32 // 0 - kEmptyFrame 33 // 1 - kAudioFrameSpeech 34 // 2 - kAudioFrameCN 35 // 3 - kVideoFrameKey (not used by audio) 36 // 4 - kVideoFrameDelta (not used by audio) 37 uint32_t counter_[5]; 38 }; 39 40 41 // TestVadDtx is to verify that VAD/DTX perform as they should. It runs through 42 // an audio file and check if the occurrence of various packet types follows 43 // expectation. TestVadDtx needs its derived class to implement the Perform() 44 // to put the test together. 45 class TestVadDtx : public ACMTest { 46 public: 47 static const int kOutputFreqHz = 16000; 48 49 TestVadDtx(); 50 51 virtual void Perform() = 0; 52 53 protected: 54 void RegisterCodec(CodecInst codec_param); 55 56 // Encoding a file and see if the numbers that various packets occur follow 57 // the expectation. Saves result to a file. 58 // expects[x] means 59 // -1 : do not care, 60 // 0 : there have been no packets of type |x|, 61 // 1 : there have been packets of type |x|, 62 // with |x| indicates the following packet types 63 // 0 - kEmptyFrame 64 // 1 - kAudioFrameSpeech 65 // 2 - kAudioFrameCN 66 // 3 - kVideoFrameKey (not used by audio) 67 // 4 - kVideoFrameDelta (not used by audio) 68 void Run(std::string in_filename, int frequency, int channels, 69 std::string out_filename, bool append, const int* expects); 70 71 rtc::scoped_ptr<AudioCodingModule> acm_send_; 72 rtc::scoped_ptr<AudioCodingModule> acm_receive_; 73 rtc::scoped_ptr<Channel> channel_; 74 rtc::scoped_ptr<ActivityMonitor> monitor_; 75 }; 76 77 // TestWebRtcVadDtx is to verify that the WebRTC VAD/DTX perform as they should. 78 class TestWebRtcVadDtx final : public TestVadDtx { 79 public: 80 TestWebRtcVadDtx(); 81 82 void Perform() override; 83 84 private: 85 void RunTestCases(); 86 void Test(bool new_outfile); 87 void SetVAD(bool enable_dtx, bool enable_vad, ACMVADMode vad_mode); 88 89 bool vad_enabled_; 90 bool dtx_enabled_; 91 int output_file_num_; 92 }; 93 94 // TestOpusDtx is to verify that the Opus DTX performs as it should. 95 class TestOpusDtx final : public TestVadDtx { 96 public: 97 void Perform() override; 98 }; 99 100 } // namespace webrtc 101 102 #endif // WEBRTC_MODULES_AUDIO_CODING_TEST_TESTVADDTX_H_ 103