69 lines
1.6 KiB
C++
69 lines
1.6 KiB
C++
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/*
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* Copyright 2020 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkData.h"
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#include "modules/audioplayer/SkAudioPlayer.h"
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#include <SFML/Audio.hpp>
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namespace {
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class SFMLAudioPlayer final : public SkAudioPlayer {
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public:
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explicit SFMLAudioPlayer(sk_sp<SkData> data)
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: fData(std::move(data))
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{
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fMusic.openFromMemory(fData->data(), fData->size());
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}
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private:
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double onGetDuration() const override {
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return static_cast<double>(fMusic.getDuration().asSeconds());
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}
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double onGetTime() const override {
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return static_cast<double>(fMusic.getPlayingOffset().asSeconds());
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}
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double onSetTime(double t) override {
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fMusic.setPlayingOffset(sf::seconds(static_cast<float>(t)));
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return this->onGetTime();
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}
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State onSetState(State state) override {
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switch (state) {
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case State::kPlaying: fMusic.play(); break;
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case State::kStopped: fMusic.stop(); break;
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case State::kPaused : fMusic.pause(); break;
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}
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return state;
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}
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float onSetRate(float r) override {
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fMusic.setPitch(r);
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return r;
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}
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float onSetVolume(float v) override {
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fMusic.setVolume(v * 100);
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return v;
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}
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const sk_sp<SkData> fData;
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sf::Music fMusic;
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};
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} // namespace
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std::unique_ptr<SkAudioPlayer> SkAudioPlayer::Make(sk_sp<SkData> src) {
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auto player = std::make_unique<SFMLAudioPlayer>(std::move(src));
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return player->duration() > 0 ? std::move(player) : nullptr;
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}
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