Audio module, simple text rendering

src/audio/audioutil.h

@@ -0,0 +1,44 @@
+#ifndef SRC_AUDIO_AUDIOUTIL_H_
+#define SRC_AUDIO_AUDIOUTIL_H_
+
+#include <string>
+#include <type_traits>
+
+#include <AL/al.h>
+
+#define alCheck() check_al_errors(__FILE__, __LINE__)
+
+bool check_al_errors(const std::string& filename, const std::uint_fast32_t line);
+
+bool load_wav_file_header(std::ifstream& file,
+                          std::uint8_t& channels,
+                          std::int32_t& sampleRate,
+                          std::uint8_t& bitsPerSample,
+                          ALsizei& size);
+
+char* load_wav(const std::string& filename,
+               std::uint8_t& channels,
+               std::int32_t& sampleRate,
+               std::uint8_t& bitsPerSample,
+               ALsizei& size);
+
+static inline ALenum to_al_format(short channels, short samples){
+	bool stereo = (channels > 1);
+
+	switch (samples) {
+	case 16:
+		if (stereo)
+			return AL_FORMAT_STEREO16;
+		else
+			return AL_FORMAT_MONO16;
+	case 8:
+		if (stereo)
+			return AL_FORMAT_STEREO8;
+		else
+			return AL_FORMAT_MONO8;
+	default:
+		return -1;
+	}
+}
+
+#endif /* SRC_AUDIO_AUDIOUTIL_H_ */