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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - playbackRate update while playing creates a small pause in the playback"
href="https://bugs.webkit.org/show_bug.cgi?id=163433#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - playbackRate update while playing creates a small pause in the playback"
href="https://bugs.webkit.org/show_bug.cgi?id=163433">bug 163433</a>
from <span class="vcard"><a class="email" href="mailto:jer.noble@apple.com" title="Jer Noble <jer.noble@apple.com>"> <span class="fn">Jer Noble</span></a>
</span></b>
<pre>Created <span class=""><a href="attachment.cgi?id=291663" name="attach_291663" title="AVPlayerSeekTest">attachment 291663</a> <a href="attachment.cgi?id=291663&action=edit" title="AVPlayerSeekTest">[details]</a></span>
AVPlayerSeekTest
Attaching the equivalent test using AVPlayer directly. Here's the log for running the video and audio tests:
Testing Audio.
Running (will take about 17 seconds)...
Speed 1.0: 0.949601, 1.1: 1.08663, 1.2: 1.18765
Diff 1.0: -0.252159, 1.1: -0.252159, 1.2: -0.252159
Wall clock: 1.0: 5.00329, 1.1: 5.17626, 1.2: 5.03575
Testing Video.
Running (will take about 17 seconds)...
Speed 1.0: 0.973931, 1.1: 1.09151, 1.2: 1.19286
Diff 1.0: -0.143297, 1.1: -0.143297, 1.2: -0.143297
Wall clock: 1.0: 5.49682, 1.1: 5.03157, 1.2: 5.53344
So the audio-only test case shows about a 250ms gap due to rate changes, and the audio+video test case shows a 143ms gap.
This should be filed as a Radar on <a href="http://bugreport.apple.com/">http://bugreport.apple.com/</a> against AVFoundation.</pre>
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