Create cp.cpp

main/cp.cpp

@@ -0,0 +1,98 @@
+#include "doctest.h"
+#include <iostream>
+#include <vector>
+#include <cmath>
+#include <AudioFile.h>
+
+//=============================================================
+const std::string projectBuildDirectory = PROJECT_BINARY_DIR;
+
+//=============================================================
+// Writes an audio file with a given number of channels, sample rate, bit deoth and format
+// Returns true if it was successful
+bool writeTestAudioFile (int numChannels, int sampleRate, int bitDepth, AudioFileFormat format)
+{
+    float sampleRateAsFloat = (float) sampleRate;
+
+    AudioFile<float> audioFile;
+
+    audioFile.setAudioBufferSize (numChannels, sampleRate * 4);
+
+    for (int i = 0; i < audioFile.getNumSamplesPerChannel(); i++)
+    {
+        float sample = sinf (2. * M_PI * ((float) i / sampleRateAsFloat) * 440.) ;
+
+        for (int k = 0; k < audioFile.getNumChannels(); k++)
+            audioFile.samples[k][i] = sample * 0.5;
+    }
+
+    audioFile.setSampleRate (sampleRate);
+    audioFile.setBitDepth (bitDepth);
+
+    std::string numChannelsAsString;
+    if (numChannels == 1)
+        numChannelsAsString = "mono";
+    else if (numChannels == 2)
+        numChannelsAsString = "stereo";
+    else
+        numChannelsAsString = std::to_string (numChannels) + " channels";
+
+    std::string bitDepthAsString = std::to_string (bitDepth);
+    std::string sampleRateAsString = std::to_string (sampleRate);
+
+    if (format == AudioFileFormat::Wave)
+    {
+        return audioFile.save (projectBuildDirectory + "/audio-write-tests/" + numChannelsAsString + "_" + sampleRateAsString + "_" + bitDepthAsString + "bit" + ".wav", format);
+    }
+
+    else if (format == AudioFileFormat::Aiff)
+    {
+        return audioFile.save (projectBuildDirectory + "/audio-write-tests/" + numChannelsAsString + "_" + sampleRateAsString + "_" + bitDepthAsString + "bit" + ".aif", format);
+    }
+
+    return false;
+}
+
+
+//=============================================================
+TEST_SUITE ("Writing Tests")
+{
+
+#if PEFORM_TEST_WRITE_TO_ALL_FORMATS
+    //=============================================================
+    TEST_CASE ("WritingTest::WriteSineToneToManyFormats")
+    {
+        std::vector<int> sampleRates = {22050, 44100, 48000, 96000};
+        std::vector<int> bitDepths = {8, 16, 24, 32};
+        std::vector<int> numChannels = {1, 2, 8};
+        std::vector<AudioFileFormat> audioFormats = {AudioFileFormat::Wave, AudioFileFormat::Aiff};
+
+        for (auto& sampleRate : sampleRates)
+        {
+            for (auto& bitDepth : bitDepths)
+            {
+                for (auto& channels : numChannels)
+                {
+                    for (auto& format : audioFormats)
+                    {
+                        CHECK (writeTestAudioFile (channels, sampleRate, bitDepth, format));
+                    }
+                }
+            }
+        }
+    }
+#endif
+
+    //=============================================================
+    TEST_CASE ("WritingTest::WriteFromCopiedSampleBuffer")
+    {
+        AudioFile<float> audioFile1, audioFile2;
+
+        bool loadedOK = audioFile1.load (projectBuildDirectory + "/test-audio/wav_stereo_16bit_44100.wav");
+        CHECK (loadedOK);
+
+        audioFile2.setAudioBuffer (audioFile1.samples);
+        bool savedOK = audioFile2.save (projectBuildDirectory + "/audio-write-tests/copied_audio_file.aif", AudioFileFormat::Aiff);
+        CHECK (savedOK);
+    }
+}