84 lines
2.1 KiB
Plaintext
84 lines
2.1 KiB
Plaintext
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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 "include/ports/SkAudioPlayer.h"
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#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
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#ifdef SK_BUILD_FOR_MAC
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#include <AVFoundation/AVFoundation.h>
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#endif
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#ifdef SK_BUILD_FOR_IOS
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// ???
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#endif
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class SkAudioPlayer_Mac : public SkAudioPlayer {
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public:
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SkAudioPlayer_Mac(AVAudioPlayer* player, sk_sp<SkData> data)
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: fPlayer(player)
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, fData(std::move(data))
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{
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fPlayer.enableRate = YES;
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[fPlayer prepareToPlay];
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}
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~SkAudioPlayer_Mac() override {
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// [fPlayer release];
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}
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double onGetDuration() const override { return [fPlayer duration]; }
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double onGetTime() const override { return fPlayer.currentTime; }
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double onSetTime(double t) override {
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bool wasPlaying = this->isPlaying();
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if (wasPlaying) {
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[fPlayer pause];
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}
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fPlayer.currentTime = t;
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if (wasPlaying) {
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[fPlayer play];
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}
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return fPlayer.currentTime;
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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: [fPlayer play]; break;
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case State::kStopped: [fPlayer stop]; break;
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case State::kPaused: [fPlayer 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 { fPlayer.rate = r; return r; }
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float onSetVolume(float v) override { fPlayer.volume = v; return v; }
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private:
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AVAudioPlayer* fPlayer;
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sk_sp<SkData> fData; // we hold this onbehalf of the player's NSData
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};
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std::unique_ptr<SkAudioPlayer> SkAudioPlayer::Make(sk_sp<SkData> src) {
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// The NSData does not own the actual buffer (src), but our subclass will
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NSData* data = [[NSData alloc] initWithBytesNoCopy:(void*)src->data() length:src->size()];
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AVAudioPlayer* player = [[AVAudioPlayer alloc] initWithData:data error:nil];
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[data release];
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if (player) {
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return std::unique_ptr<SkAudioPlayer>(new SkAudioPlayer_Mac(player, std::move(src)));
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}
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return nullptr;
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}
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#endif
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