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acm_receive_test.h (2985B)

      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 MODULES_AUDIO_CODING_ACM2_ACM_RECEIVE_TEST_H_
     12 #define MODULES_AUDIO_CODING_ACM2_ACM_RECEIVE_TEST_H_
     13 
     14 #include <stddef.h>  // for size_t
     15 
     16 #include <cstdint>
     17 #include <memory>
     18 
     19 #include "api/audio_codecs/audio_decoder_factory.h"
     20 #include "api/neteq/neteq.h"
     21 #include "api/scoped_refptr.h"
     22 #include "modules/audio_coding/acm2/acm_resampler.h"
     23 #include "system_wrappers/include/clock.h"
     24 
     25 namespace webrtc {
     26 class AudioCodingModule;
     27 class AudioDecoder;
     28 
     29 namespace test {
     30 class AudioSink;
     31 class PacketSource;
     32 
     33 class AcmReceiveTestOldApi {
     34 public:
     35  enum NumOutputChannels : size_t {
     36    kArbitraryChannels = 0,
     37    kMonoOutput = 1,
     38    kStereoOutput = 2,
     39    kQuadOutput = 4
     40  };
     41 
     42  AcmReceiveTestOldApi(PacketSource* packet_source,
     43                       AudioSink* audio_sink,
     44                       int output_freq_hz,
     45                       NumOutputChannels exptected_output_channels,
     46                       scoped_refptr<AudioDecoderFactory> decoder_factory);
     47  virtual ~AcmReceiveTestOldApi();
     48 
     49  AcmReceiveTestOldApi(const AcmReceiveTestOldApi&) = delete;
     50  AcmReceiveTestOldApi& operator=(const AcmReceiveTestOldApi&) = delete;
     51 
     52  // Registers the codecs with default parameters from ACM.
     53  void RegisterDefaultCodecs();
     54 
     55  // Registers codecs with payload types matching the pre-encoded NetEq test
     56  // files.
     57  void RegisterNetEqTestCodecs();
     58 
     59  // Runs the test and returns true if successful.
     60  void Run();
     61 
     62 protected:
     63  // Method is called after each block of output audio is received from ACM.
     64  virtual void AfterGetAudio() {}
     65 
     66  SimulatedClock clock_;
     67  std::unique_ptr<NetEq> neteq_;
     68  acm2::ResamplerHelper resampler_helper_;
     69  PacketSource* packet_source_;
     70  AudioSink* audio_sink_;
     71  int output_freq_hz_;
     72  NumOutputChannels exptected_output_channels_;
     73 };
     74 
     75 // This test toggles the output frequency every `toggle_period_ms`. The test
     76 // starts with `output_freq_hz_1`. Except for the toggling, it does the same
     77 // thing as AcmReceiveTestOldApi.
     78 class AcmReceiveTestToggleOutputFreqOldApi : public AcmReceiveTestOldApi {
     79 public:
     80  AcmReceiveTestToggleOutputFreqOldApi(
     81      PacketSource* packet_source,
     82      AudioSink* audio_sink,
     83      int output_freq_hz_1,
     84      int output_freq_hz_2,
     85      int toggle_period_ms,
     86      NumOutputChannels exptected_output_channels);
     87 
     88 protected:
     89  void AfterGetAudio() override;
     90 
     91  const int output_freq_hz_1_;
     92  const int output_freq_hz_2_;
     93  const int toggle_period_ms_;
     94  int64_t last_toggle_time_ms_;
     95 };
     96 
     97 }  // namespace test
     98 }  // namespace webrtc
     99 #endif  // MODULES_AUDIO_CODING_ACM2_ACM_RECEIVE_TEST_H_