Safari 11's new autoplay restrictions on HTML5 Audio

up vote
12
down vote

favorite

I'm trying to figure out how Safari 11's (and iOS') autoplay restrictions are implemented and I don't understand why the following doesn't start playing the audio file:

/*

    Call stack, this doesn't work 💩

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



btn.onclick = e => {

  window

    .fetch(`https://api.github.com/repos/vnglst/autoplay-tutorial/contents/mp3/modem-sound.mp3`)

    .then(resp => resp.json())

    .then(json => {

      audio.src = json.download_url

      audio.play()

    })

}

<div id='root'/>

Whereas Safari is fine with the following:

/*

    Call stack, using a fake Promise. This works 👍

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

    return resolve(src)

  }, 500)

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src

    audio.play()

  })

}

<div id='root'/>

Does anybody know how Safari determines whether something is an autoplay or not? I'm not looking for a work around (starting and pausing helps for instance) but I'm trying to figure out how this works.

(some more background information on Safari's new autoplay policy can be found here: https://webkit.org/blog/7734/auto-play-policy-changes-for-macos/)

edited Jun 26 at 15:59

asked Jun 19 '17 at 11:19

vnglst

1408

1

I'm noticing my website, which uses subtle sound effects, no longer plays them. They are not auto-play, they play upon completion of a task, activated by javascript.
– l008com
Sep 22 '17 at 7:34

1

Now that's a sound I've not heard in a long time.
– fuzz
May 1 at 5:56

I believe this may be because your trying to initiate an auto play on a mobile device. (given you posted in the title iOS) W3C speficies that auto play should not work on mobile devices as a result of mobile data charges a user could be susceptible to
– DataCure
Jul 15 at 12:16

add a comment |

up vote
12
down vote

favorite

I'm trying to figure out how Safari 11's (and iOS') autoplay restrictions are implemented and I don't understand why the following doesn't start playing the audio file:

/*

    Call stack, this doesn't work 💩

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



btn.onclick = e => {

  window

    .fetch(`https://api.github.com/repos/vnglst/autoplay-tutorial/contents/mp3/modem-sound.mp3`)

    .then(resp => resp.json())

    .then(json => {

      audio.src = json.download_url

      audio.play()

    })

}

<div id='root'/>

Whereas Safari is fine with the following:

/*

    Call stack, using a fake Promise. This works 👍

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

    return resolve(src)

  }, 500)

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src

    audio.play()

  })

}

<div id='root'/>

(some more background information on Safari's new autoplay policy can be found here: https://webkit.org/blog/7734/auto-play-policy-changes-for-macos/)

edited Jun 26 at 15:59

asked Jun 19 '17 at 11:19

vnglst

1408

1

I'm noticing my website, which uses subtle sound effects, no longer plays them. They are not auto-play, they play upon completion of a task, activated by javascript.
– l008com
Sep 22 '17 at 7:34

1

Now that's a sound I've not heard in a long time.
– fuzz
May 1 at 5:56

I believe this may be because your trying to initiate an auto play on a mobile device. (given you posted in the title iOS) W3C speficies that auto play should not work on mobile devices as a result of mobile data charges a user could be susceptible to
– DataCure
Jul 15 at 12:16

add a comment |

up vote
12
down vote

favorite

I'm trying to figure out how Safari 11's (and iOS') autoplay restrictions are implemented and I don't understand why the following doesn't start playing the audio file:

/*

    Call stack, this doesn't work 💩

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



btn.onclick = e => {

  window

    .fetch(`https://api.github.com/repos/vnglst/autoplay-tutorial/contents/mp3/modem-sound.mp3`)

    .then(resp => resp.json())

    .then(json => {

      audio.src = json.download_url

      audio.play()

    })

}

<div id='root'/>

Whereas Safari is fine with the following:

/*

    Call stack, using a fake Promise. This works 👍

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

    return resolve(src)

  }, 500)

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src

    audio.play()

  })

}

<div id='root'/>

(some more background information on Safari's new autoplay policy can be found here: https://webkit.org/blog/7734/auto-play-policy-changes-for-macos/)

edited Jun 26 at 15:59

asked Jun 19 '17 at 11:19

vnglst

1408

I'm trying to figure out how Safari 11's (and iOS') autoplay restrictions are implemented and I don't understand why the following doesn't start playing the audio file:

/*

    Call stack, this doesn't work 💩

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



btn.onclick = e => {

  window

    .fetch(`https://api.github.com/repos/vnglst/autoplay-tutorial/contents/mp3/modem-sound.mp3`)

    .then(resp => resp.json())

    .then(json => {

      audio.src = json.download_url

      audio.play()

    })

}

<div id='root'/>

Whereas Safari is fine with the following:

/*

    Call stack, using a fake Promise. This works 👍

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

    return resolve(src)

  }, 500)

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src

    audio.play()

  })

}

<div id='root'/>

(some more background information on Safari's new autoplay policy can be found here: https://webkit.org/blog/7734/auto-play-policy-changes-for-macos/)

/*

    Call stack, this doesn't work 💩

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



btn.onclick = e => {

  window

    .fetch(`https://api.github.com/repos/vnglst/autoplay-tutorial/contents/mp3/modem-sound.mp3`)

    .then(resp => resp.json())

    .then(json => {

      audio.src = json.download_url

      audio.play()

    })

}

<div id='root'/>

/*

    Call stack, this doesn't work 💩

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



btn.onclick = e => {

  window

    .fetch(`https://api.github.com/repos/vnglst/autoplay-tutorial/contents/mp3/modem-sound.mp3`)

    .then(resp => resp.json())

    .then(json => {

      audio.src = json.download_url

      audio.play()

    })

}

<div id='root'/>

/*

    Call stack, using a fake Promise. This works 👍

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

    return resolve(src)

  }, 500)

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src

    audio.play()

  })

}

<div id='root'/>

/*

    Call stack, using a fake Promise. This works 👍

*/



const btn = document.createElement('BUTTON')

const textLabel = document.createTextNode('Play')

const audio = new window.Audio()

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3'

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn)

document.getElementById('root').appendChild(audio)



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3'

    return resolve(src)

  }, 500)

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src

    audio.play()

  })

}

<div id='root'/>

javascript ios safari html5-audio

edited Jun 26 at 15:59

asked Jun 19 '17 at 11:19

vnglst

1408

edited Jun 26 at 15:59

asked Jun 19 '17 at 11:19

vnglst

1408

edited Jun 26 at 15:59

asked Jun 19 '17 at 11:19

vnglst

1408

asked Jun 19 '17 at 11:19

vnglst

1408

asked Jun 19 '17 at 11:19

vnglst

1408

1

I'm noticing my website, which uses subtle sound effects, no longer plays them. They are not auto-play, they play upon completion of a task, activated by javascript.
– l008com
Sep 22 '17 at 7:34

1

Now that's a sound I've not heard in a long time.
– fuzz
May 1 at 5:56

I believe this may be because your trying to initiate an auto play on a mobile device. (given you posted in the title iOS) W3C speficies that auto play should not work on mobile devices as a result of mobile data charges a user could be susceptible to
– DataCure
Jul 15 at 12:16

add a comment |

1

I'm noticing my website, which uses subtle sound effects, no longer plays them. They are not auto-play, they play upon completion of a task, activated by javascript.
– l008com
Sep 22 '17 at 7:34

1

Now that's a sound I've not heard in a long time.
– fuzz
May 1 at 5:56

I believe this may be because your trying to initiate an auto play on a mobile device. (given you posted in the title iOS) W3C speficies that auto play should not work on mobile devices as a result of mobile data charges a user could be susceptible to
– DataCure
Jul 15 at 12:16

I'm noticing my website, which uses subtle sound effects, no longer plays them. They are not auto-play, they play upon completion of a task, activated by javascript.
– l008com
Sep 22 '17 at 7:34

Now that's a sound I've not heard in a long time.
– fuzz
May 1 at 5:56

I believe this may be because your trying to initiate an auto play on a mobile device. (given you posted in the title iOS) W3C speficies that auto play should not work on mobile devices as a result of mobile data charges a user could be susceptible to
– DataCure
Jul 15 at 12:16

add a comment |

2 Answers
2

active

oldest

votes

up vote
0
down vote

Autoplay

audio.autoplay = true;

Please note that with mobile devices W3C have specified the user must trigger the playback in order to avoid mobile data charges.

Therefore with mobile devices, you will need to present the user with the button to trigger the autoplay.

const btn = document.createElement('BUTTON');

const textLabel = document.createTextNode('Play');

const audio = new window.Audio();

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3';

audio.autoplay = true;

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn);

document.getElementById('root').appendChild(audio);



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3';

    return resolve(src);

  }, 500);

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src;

    audio.play();

  })

}

<div id='root'/>

answered Jul 15 at 23:11

DataCure

359115

add a comment |

up vote
0
down vote

You need to change your algorithm from

user clicks -> loads audio information -> changes source -> play

user clicks -> changes source -> play

Basically you need to change src in audio and start playback right after user clicks play button.

iOS prevents autoplay when intermediary fetching is present.

edited Nov 16 at 14:43

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

add a comment |

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

up vote
0
down vote

Autoplay

audio.autoplay = true;

Please note that with mobile devices W3C have specified the user must trigger the playback in order to avoid mobile data charges.

Therefore with mobile devices, you will need to present the user with the button to trigger the autoplay.

const btn = document.createElement('BUTTON');

const textLabel = document.createTextNode('Play');

const audio = new window.Audio();

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3';

audio.autoplay = true;

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn);

document.getElementById('root').appendChild(audio);



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3';

    return resolve(src);

  }, 500);

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src;

    audio.play();

  })

}

<div id='root'/>

answered Jul 15 at 23:11

DataCure

359115

add a comment |

up vote
0
down vote

Autoplay

audio.autoplay = true;

Please note that with mobile devices W3C have specified the user must trigger the playback in order to avoid mobile data charges.

Therefore with mobile devices, you will need to present the user with the button to trigger the autoplay.

const btn = document.createElement('BUTTON');

const textLabel = document.createTextNode('Play');

const audio = new window.Audio();

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3';

audio.autoplay = true;

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn);

document.getElementById('root').appendChild(audio);



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3';

    return resolve(src);

  }, 500);

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src;

    audio.play();

  })

}

<div id='root'/>

answered Jul 15 at 23:11

DataCure

359115

add a comment |

up vote
0
down vote

Autoplay

audio.autoplay = true;

Please note that with mobile devices W3C have specified the user must trigger the playback in order to avoid mobile data charges.

Therefore with mobile devices, you will need to present the user with the button to trigger the autoplay.

const btn = document.createElement('BUTTON');

const textLabel = document.createTextNode('Play');

const audio = new window.Audio();

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3';

audio.autoplay = true;

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn);

document.getElementById('root').appendChild(audio);



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3';

    return resolve(src);

  }, 500);

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src;

    audio.play();

  })

}

<div id='root'/>

answered Jul 15 at 23:11

DataCure

359115

Autoplay

audio.autoplay = true;

Please note that with mobile devices W3C have specified the user must trigger the playback in order to avoid mobile data charges.

Therefore with mobile devices, you will need to present the user with the button to trigger the autoplay.

const btn = document.createElement('BUTTON');

const textLabel = document.createTextNode('Play');

const audio = new window.Audio();

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3';

audio.autoplay = true;

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn);

document.getElementById('root').appendChild(audio);



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3';

    return resolve(src);

  }, 500);

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src;

    audio.play();

  })

}

<div id='root'/>

const btn = document.createElement('BUTTON');

const textLabel = document.createTextNode('Play');

const audio = new window.Audio();

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3';

audio.autoplay = true;

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn);

document.getElementById('root').appendChild(audio);



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3';

    return resolve(src);

  }, 500);

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src;

    audio.play();

  })

}

<div id='root'/>

const btn = document.createElement('BUTTON');

const textLabel = document.createTextNode('Play');

const audio = new window.Audio();

audio.src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/modem-sound.mp3';

audio.autoplay = true;

// audio.controls = true



btn.appendChild(textLabel)

document.getElementById('root').appendChild(btn);

document.getElementById('root').appendChild(audio);



const mockedPromise = new Promise((resolve, reject) => {

  setTimeout(() => {

    const src = 'https://raw.githubusercontent.com/vnglst/autoplay-tutorial/master/mp3/winamp.mp3';

    return resolve(src);

  }, 500);

})



btn.onclick = (e) => {

  mockedPromise.then(src => {

    audio.src = src;

    audio.play();

  })

}

<div id='root'/>

answered Jul 15 at 23:11

DataCure

359115

answered Jul 15 at 23:11

DataCure

359115

answered Jul 15 at 23:11

DataCure

359115

answered Jul 15 at 23:11

DataCure

359115

add a comment |

up vote
0
down vote

You need to change your algorithm from

user clicks -> loads audio information -> changes source -> play

user clicks -> changes source -> play

Basically you need to change src in audio and start playback right after user clicks play button.

iOS prevents autoplay when intermediary fetching is present.

edited Nov 16 at 14:43

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

add a comment |

up vote
0
down vote

You need to change your algorithm from

user clicks -> loads audio information -> changes source -> play

user clicks -> changes source -> play

Basically you need to change src in audio and start playback right after user clicks play button.

iOS prevents autoplay when intermediary fetching is present.

edited Nov 16 at 14:43

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

add a comment |

up vote
0
down vote

You need to change your algorithm from

user clicks -> loads audio information -> changes source -> play

user clicks -> changes source -> play

Basically you need to change src in audio and start playback right after user clicks play button.

iOS prevents autoplay when intermediary fetching is present.

edited Nov 16 at 14:43

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

You need to change your algorithm from

user clicks -> loads audio information -> changes source -> play

user clicks -> changes source -> play

Basically you need to change src in audio and start playback right after user clicks play button.

iOS prevents autoplay when intermediary fetching is present.

edited Nov 16 at 14:43

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

edited Nov 16 at 14:43

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

answered Nov 11 at 14:59

Artem Bernatskyi

6381519

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