Changed project structure

source_modules/file_source/src/wavreader.h

@@ -0,0 +1,82 @@
+#pragma once
+
+#pragma once
+#include <stdint.h>
+#include <string.h>
+#include <fstream>
+
+#define WAV_SIGNATURE       "RIFF"
+#define WAV_TYPE            "WAVE"
+#define WAV_FORMAT_MARK     "fmt "
+#define WAV_DATA_MARK       "data"
+#define WAV_SAMPLE_TYPE_PCM 1
+
+class WavReader {
+public:
+    WavReader(std::string path) {
+        file = std::ifstream(path.c_str(), std::ios::binary);
+        file.read((char*)&hdr, sizeof(WavHeader_t));
+        valid = false;
+        if (memcmp(hdr.signature, "RIFF", 4) != 0) { return; }
+        if (memcmp(hdr.fileType, "WAVE", 4) != 0) { return; }
+        valid = true;
+    }
+
+    uint16_t getBitDepth() {
+        return hdr.bitDepth;
+    }
+
+    uint16_t getChannelCount() {
+        return hdr.channelCount;
+    }
+
+    uint32_t getSampleRate() {
+        return hdr.sampleRate;
+    }
+
+    bool isValid() {
+        return valid;
+    }
+
+    void readSamples(void* data, size_t size) {
+        char* _data = (char*)data;
+        file.read(_data, size);
+        int read = file.gcount();
+        if (read < size) {
+            file.clear();
+            file.seekg(sizeof(WavHeader_t));
+            file.read(&_data[read], size - read);
+        }
+        bytesRead += size;
+    }
+
+    void rewind() {
+        file.seekg(sizeof(WavHeader_t));
+    }
+    
+    void close() {
+        file.close();
+    }
+
+private:
+    struct WavHeader_t {
+        char signature[4];              // "RIFF"
+        uint32_t fileSize;              // data bytes + sizeof(WavHeader_t) - 8
+        char fileType[4];               // "WAVE"
+        char formatMarker[4];           // "fmt " 
+        uint32_t formatHeaderLength;    // Always 16
+        uint16_t sampleType;            // PCM (1)   
+        uint16_t channelCount;
+        uint32_t sampleRate;
+        uint32_t bytesPerSecond;
+        uint16_t bytesPerSample;
+        uint16_t bitDepth;
+        char dataMarker[4];             // "data"
+        uint32_t dataSize;
+    };
+
+    bool valid = false;
+    std::ifstream file;
+    size_t bytesRead = 0;
+    WavHeader_t hdr;
+};