AudioDriver.h

/****************************************************************************
 * Platform Abstraction Layer
 * Daryl Borth 2026
 * AudioDriver.h
 *
 * Platform audio backend GuiSound delegates to. Exactly one driver
 * implements this and assigns the single global instance below
 ***************************************************************************/
#pragma once
 
#include <stdint.h>

class AudioDriver
{
    public:
        virtual ~AudioDriver() = default;

        virtual void init() = 0;
        virtual void shutdown() = 0;
        virtual void start() = 0;
        virtual void stop() = 0;

        virtual int32_t playVoice(const uint8_t * data, int32_t length, int volume) = 0;
        virtual void stopVoice(int32_t voice) = 0;
        virtual void pauseVoice(int32_t voice) = 0;
        virtual void resumeVoice(int32_t voice) = 0;
        virtual bool isVoicePlaying(int32_t voice) = 0;
        virtual void setVoiceVolume(int32_t voice, int volume) = 0;

        virtual void playStream(const uint8_t * data, int32_t length, bool loop, int volume) = 0;
        virtual void stopStream() = 0;
        virtual void pauseStream() = 0;
        virtual void resumeStream() = 0;
        virtual bool isStreamPlaying() = 0;
        virtual void setStreamVolume(int volume) = 0;
};