=======================================================================
| 33 | { |
| 34 | //======================================================================= |
| 35 | void writeSineWaveToAudioFile() |
| 36 | { |
| 37 | //--------------------------------------------------------------- |
| 38 | std::cout << "**********************" << std::endl; |
| 39 | std::cout << "Running Example: Write Sine Wave To Audio File" << std::endl; |
| 40 | std::cout << "**********************" << std::endl << std::endl; |
| 41 | |
| 42 | //--------------------------------------------------------------- |
| 43 | // 1. Let's setup our AudioFile instance |
| 44 | |
| 45 | AudioFile<float> a; |
| 46 | a.setNumChannels (2); |
| 47 | a.setNumSamplesPerChannel (44100); |
| 48 | |
| 49 | //--------------------------------------------------------------- |
| 50 | // 2. Create some variables to help us generate a sine wave |
| 51 | |
| 52 | const float sampleRate = 44100.f; |
| 53 | const float frequencyInHz = 440.f; |
| 54 | |
| 55 | //--------------------------------------------------------------- |
| 56 | // 3. Write the samples to the AudioFile sample buffer |
| 57 | |
| 58 | for (int i = 0; i < a.getNumSamplesPerChannel(); i++) |
| 59 | { |
| 60 | for (int channel = 0; channel < a.getNumChannels(); channel++) |
| 61 | { |
| 62 | a.samples[channel][i] = sin ((static_cast<float> (i) / sampleRate) * frequencyInHz * 2.f * (float)M_PI); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | //--------------------------------------------------------------- |
| 67 | // 4. Save the AudioFile |
| 68 | |
| 69 | std::string filePath = "sine-wave.wav"; // change this to somewhere useful for you |
| 70 | a.save ("sine-wave.wav", AudioFileFormat::Wave); |
| 71 | } |
| 72 | |
| 73 | //======================================================================= |
| 74 | void loadAudioFileAndPrintSummary() |
no test coverage detected