audio.h

/*
 * Copyright (C) 2018 Microchip Technology Inc.  All rights reserved.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef EGT_AUDIO_H
#define EGT_AUDIO_H
 
#include <egt/detail/meta.h>
#include <egt/object.h>
#include <egt/signal.h>
#include <memory>
#include <string>
 
namespace egt
{
inline namespace v1
{
 
namespace detail
{
class GstDecoderImpl;
}
 
class EGT_API AudioPlayer : public Object
{
protected:
 
    std::unique_ptr<detail::GstDecoderImpl> m_impl;
 
public:
 
    SignalW<int64_t> on_position_changed;
 
    SignalW<const std::string&> on_error;
 
    SignalW<> on_eos;
 
    SignalW<> on_state_changed;
    AudioPlayer();
 
    explicit AudioPlayer(const std::string& uri);
 
    AudioPlayer(const AudioPlayer&) = delete;
    AudioPlayer& operator=(const AudioPlayer&) = delete;
    AudioPlayer(AudioPlayer&&) = default;
    AudioPlayer& operator=(AudioPlayer&&) = default;
 
    bool media(const std::string& uri);
 
    bool play();
 
    bool pause();
 
    bool volume(int volume);
 
    EGT_NODISCARD int volume() const;
 
    bool mute(bool mute);
 
    EGT_NODISCARD uint64_t position() const;
 
    EGT_NODISCARD uint64_t duration() const;
 
    bool seek(uint64_t pos);
 
    EGT_NODISCARD bool playing() const;
 
    ~AudioPlayer() noexcept override;
};
 
}
}
 
#endif