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      1 /*
      2  *  Copyright (c) 2014 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_ACM2_ACM_RECEIVE_TEST_OLDAPI_H_
     12 #define WEBRTC_MODULES_AUDIO_CODING_ACM2_ACM_RECEIVE_TEST_OLDAPI_H_
     13 
     14 #include <string>
     15 
     16 #include "webrtc/base/constructormagic.h"
     17 #include "webrtc/base/scoped_ptr.h"
     18 #include "webrtc/system_wrappers/include/clock.h"
     19 
     20 namespace webrtc {
     21 class AudioCodingModule;
     22 class AudioDecoder;
     23 struct CodecInst;
     24 
     25 namespace test {
     26 class AudioSink;
     27 class PacketSource;
     28 
     29 class AcmReceiveTestOldApi {
     30  public:
     31   enum NumOutputChannels {
     32     kArbitraryChannels = 0,
     33     kMonoOutput = 1,
     34     kStereoOutput = 2
     35   };
     36 
     37   AcmReceiveTestOldApi(PacketSource* packet_source,
     38                        AudioSink* audio_sink,
     39                        int output_freq_hz,
     40                        NumOutputChannels exptected_output_channels);
     41   virtual ~AcmReceiveTestOldApi() {}
     42 
     43   // Registers the codecs with default parameters from ACM.
     44   void RegisterDefaultCodecs();
     45 
     46   // Registers codecs with payload types matching the pre-encoded NetEq test
     47   // files.
     48   void RegisterNetEqTestCodecs();
     49 
     50   int RegisterExternalReceiveCodec(int rtp_payload_type,
     51                                    AudioDecoder* external_decoder,
     52                                    int sample_rate_hz,
     53                                    int num_channels,
     54                                    const std::string& name);
     55 
     56   // Runs the test and returns true if successful.
     57   void Run();
     58 
     59  protected:
     60   // Method is called after each block of output audio is received from ACM.
     61   virtual void AfterGetAudio() {}
     62 
     63   SimulatedClock clock_;
     64   rtc::scoped_ptr<AudioCodingModule> acm_;
     65   PacketSource* packet_source_;
     66   AudioSink* audio_sink_;
     67   int output_freq_hz_;
     68   NumOutputChannels exptected_output_channels_;
     69 
     70   RTC_DISALLOW_COPY_AND_ASSIGN(AcmReceiveTestOldApi);
     71 };
     72 
     73 // This test toggles the output frequency every |toggle_period_ms|. The test
     74 // starts with |output_freq_hz_1|. Except for the toggling, it does the same
     75 // thing as AcmReceiveTestOldApi.
     76 class AcmReceiveTestToggleOutputFreqOldApi : public AcmReceiveTestOldApi {
     77  public:
     78   AcmReceiveTestToggleOutputFreqOldApi(
     79       PacketSource* packet_source,
     80       AudioSink* audio_sink,
     81       int output_freq_hz_1,
     82       int output_freq_hz_2,
     83       int toggle_period_ms,
     84       NumOutputChannels exptected_output_channels);
     85 
     86  protected:
     87   void AfterGetAudio() override;
     88 
     89   const int output_freq_hz_1_;
     90   const int output_freq_hz_2_;
     91   const int toggle_period_ms_;
     92   int64_t last_toggle_time_ms_;
     93 };
     94 
     95 }  // namespace test
     96 }  // namespace webrtc
     97 #endif  // WEBRTC_MODULES_AUDIO_CODING_ACM2_ACM_RECEIVE_TEST_OLDAPI_H_
     98