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autoSlide duration with playbackRate 

The autoSlide duration of media elements with data-autoplay now takes the playbackRate of said media element into account when setting the duration so that autoSlide and the media element stay in sync.
This commit is contained in:
chadmorrow 2016-09-30 17:46:32 -07:00 committed by Hakim El Hattab
parent 255bde174c
commit ea8964ddbf
1 changed files with 4 additions and 3 deletions
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7
js/reveal.js
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@ -3767,12 +3767,13 @@
// If there are media elements with data-autoplay,
// automatically set the autoSlide duration to the
// length of that media. Not applicable if the slide
// is divided up into fragments.
// is divided up into fragments.
// playbackRate is accounted for in the duration.
if( currentSlide.querySelectorAll( '.fragment' ).length === 0 ) {
toArray( currentSlide.querySelectorAll( 'video, audio' ) ).forEach( function( el ) {
if( el.hasAttribute( 'data-autoplay' ) ) {
if( autoSlide && el.duration * 1000 > autoSlide ) {
autoSlide = ( el.duration * 1000 ) + 1000;
if( autoSlide && (el.duration * 1000 / el.playbackRate ) > autoSlide ) {
autoSlide = ( el.duration * 1000 / el.playbackRate ) + 1000;
}
}
} );