203382 2019-10-24 13:31:27 -0700 Audio Track ends when disabled 2020-01-06 17:50:28 -0800 1 1 1 Unclassified WebKit Web Audio Safari 13 iPhone / iPad iOS 13 RESOLVED DUPLICATE 202405 InRadar P2 Major --- 1 makarand webkit-unassigned eric.carlson francesco.durighetto jer.noble mmalavalli webkit-bug-importer oldest_to_newest 1583498 0 381840 makarand 2019-10-24 13:31:27 -0700 Created attachment 381840 this html helps repro the issue On Safari on iOS 13: Step 1: Call getUserMedia({audio: true}) to obtain a media stream with audio track Step 2: Attach the stream to audio element Step 3: disable the audio track by calling audioTrack.enabled = false Step 4: Switch to another app for few seconds. Step 5: Observe: Notice that Audio Track goes into readyState=ended. And it can not be played anymore. Expected: The audio track be able to be played once enabled. Once we get into this situation, Now notice that even w/o switching to another app, audio track immediately ends when disabled. Step 6: Call getUserMedia({audio: true}) to obtain a media stream with audio track Step 7: Attach the stream to audio element Step 8: disable the audio track by calling audioTrack.enabled = false Step 9: Observer: track goes into readyState=ended state. Expected: track should just go into disabled state, and not end. Following jsfiddle makes it easy to see the repro in action: https://jsfiddle.net/makarandp/3c29y40q/ 1583541 1 webkit-bug-importer 2019-10-24 15:09:51 -0700 <rdar://problem/56596348> 1588671 2 francesco.durighetto 2019-11-08 09:30:57 -0800 Duplicated of: https://bugs.webkit.org/show_bug.cgi?id=202405 this has been fixed in the new iOS 13.2.2 release 1588680 3 eric.carlson 2019-11-08 09:43:32 -0800 Thanks for the comment Francesco. *** This bug has been marked as a duplicate of bug 202405 *** 1603399 4 mmalavalli 2020-01-06 17:50:28 -0800 Hi Youenn, I think this bug is still present in i0S 13.3. I ran the JSFiddle and was able to reproduce the observed behavior. The fix was supposed to be released in 13.2.2. Can you please clarify? - Manjesh 381840 2019-10-24 13:31:27 -0700 2019-10-24 13:31:27 -0700 this html helps repro the issue safariaudio.html text/html 3318 makarand PGh0bWw+Cjxib2R5PgogICAgPHA+CiAgICBTdGVwIDE6IEFjcXVpcmUgQXVkaW8gVHJhY2sKICAg IDxidXR0b24gaWQ9ImdldFVzZXJNZWRpYSI+QWNxdWlyZSBBdWRpbyBUcmFjazwvYnV0dG9uPgog ICAgPC9wPgoKICAgIDxwPgogICAgU3RlcCAyOiBBdHRhY2ggdG8gQXVkaW8gRWxlbWVudAogICAg PGJ1dHRvbiBpZD0iY3JlYXRlQXVkaW9FbGVtZW50Ij5DcmVhdGUgQXVkaW8gRWxlbWVudDwvYnV0 dG9uPgogICAgPC9wPgoKICAgIDxwPgogICAgU3RlcCAyOiBEaXNhYmxlIHRoZSB0cmFjawogICAg PGJ1dHRvbiBpZD0idG9nZ2xlLWF1ZGlvIj5Ub2dnbGUgQXVkaW88L2J1dHRvbj4KICAgIDwvcD4K CiAgICA8cD4KICAgIFN0ZXAgMzogU3dpdGNoIEFwcCAobWFrZSBzYWZhcmkgYmFja2dyb3VuZCkg Zm9yIGZldyBzZWNvbmRzCiAgICA8L3A+CgogICAgPHA+CiAgICBTdGVwIDQ6IE5vdGljZSB0aGF0 IHRyYWNrIGlzIGluIHN0YXRlID0gZW5kZWQhCiAgICA8YnV0dG9uIGlkPSJjaGVja3N0YXRlQnRu Ij5DaGVjayBUcmFjazwvYnV0dG9uPgogICAgPGlucHV0IGlkPSJyZWFkeVN0YXRlLXN0YXRlIiB0 eXBlPSJ0ZXh0IiBwbGFjZWhvbGRlcj0ibm90IGNyZWF0ZWQgeWV0IiAvPgogICAgPC9wPgoKICAg IDxicj4KICAgIFN0ZXAgNTogUmVhcXVpcmUgQXVkaW8gVHJhY2sKICAgIDxicj4KICAgIFN0ZXAg NjogUmVBdHRhY2ggdG8gQXVkaW8gRWxlbWVudAogICAgPGJyPgogICAgU3RlcCA3OiBEaXNhYmxl IHRoZSB0cmFjawogICAgPGJyPgogICAgU3RlcCA3OiBOb3RpY2UgdGhlIHRyYWNrIGVuZHMgYXV0 b21hdGljYWxseSEKICAgIDxicj4KCiAgICA8cD4KICAgIE9wdGlvbmFsKSBhZGRBdWRpb1RvRE9N KCk7CiAgICA8YnV0dG9uIGlkPSJhZGRBdWRpb1RvRE9NIj5kb2N1bWVudC5ib2R5LmFwcGVuZENo aWxkKGF1ZGlvRWxlbWVudCk7PC9idXR0b24+CiAgICA8L3A+CiAgICA8cD4KICAgIDxidXR0b24g aWQ9InJlbW92ZUF1ZGlvRnJvbURPTSI+YXVkaW9FbGVtZW50LnJlbW92ZSgpOzwvYnV0dG9uPgog ICAgPC9wPgo8c2NyaXB0PgogICAgY29uc3QgdG9nZ2xlQXVkaW9CdG4gPSBkb2N1bWVudC5nZXRF bGVtZW50QnlJZCgidG9nZ2xlLWF1ZGlvIik7CiAgICB0b2dnbGVBdWRpb0J0bi5kaXNhYmxlZCA9 IHRydWU7CgogICAgbGV0IHN0cmVhbSA9IG51bGw7CiAgICBsZXQgYXVkaW9UcmFjayA9IG51bGw7 CiAgICBsZXQgYXVkaW9FbGVtZW50ID0gbnVsbDsKCgogICAgZnVuY3Rpb24gdXBkYXRlVHJhY2tT dGF0ZSgpIHsKICAgIGNvbnN0IHJlYWR5U3RhdGUgPSBkb2N1bWVudC5nZXRFbGVtZW50QnlJZCgn cmVhZHlTdGF0ZS1zdGF0ZScpOwogICAgbGV0IGF1ZGlvU3RhdGU7CiAgICBpZiAoYXVkaW9UcmFj aykgewogICAgICAgIGF1ZGlvU3RhdGUgPSBhdWRpb1RyYWNrLmVuYWJsZWQgPyAnZW5hYmxlZCcg OiAnZGlzYWJsZWQnOwogICAgICAgIGF1ZGlvU3RhdGUgKz0gJywgJyArIGF1ZGlvVHJhY2sucmVh ZHlTdGF0ZTsKICAgIH0gZWxzZSB7CiAgICAgICAgYXVkaW9TdGF0ZSA9ICd1bmtub3duJzsKICAg IH0KICAgIHJlYWR5U3RhdGUudmFsdWUgPSBhdWRpb1N0YXRlOwogICAgfQoKICAgIGRvY3VtZW50 LmdldEVsZW1lbnRCeUlkKCJjaGVja3N0YXRlQnRuIikub25jbGljayA9IHVwZGF0ZVRyYWNrU3Rh dGU7CgogICAgY29uc3QgY29uc3RyYWludHMgPSB3aW5kb3cuY29uc3RyYWludHMgPSB7CiAgICBh dWRpbzogdHJ1ZSwKICAgIHZpZGVvOiBmYWxzZQogICAgfTsKCiAgICBkb2N1bWVudC5nZXRFbGVt ZW50QnlJZCgiZ2V0VXNlck1lZGlhIikub25jbGljayA9IGFzeW5jIGZ1bmN0aW9uKCkgewoKICAg IGlmIChhdWRpb1RyYWNrKSB7CiAgICAgICAgYXVkaW9UcmFjay5vbmVuZGVkID0gbnVsbDsKICAg ICAgICBhdWRpb1RyYWNrID0gbnVsbDsKICAgIH0KCgogICAgdG9nZ2xlQXVkaW9CdG4uZGlzYWJs ZWQgPSB0cnVlOwogICAgZG9jdW1lbnQuZ2V0RWxlbWVudEJ5SWQoImNyZWF0ZUF1ZGlvRWxlbWVu dCIpLmRpc2FibGVkID0gdHJ1ZTsKICAgIHN0cmVhbSA9IGF3YWl0IG5hdmlnYXRvci5tZWRpYURl dmljZXMuZ2V0VXNlck1lZGlhKGNvbnN0cmFpbnRzKTsKICAgIGNvbnNvbGUubG9nKCJnb3QgdGhl IHN0cmVhbSIpOwogICAgY29uc3QgYXVkaW9UcmFja3MgPSBzdHJlYW0uZ2V0QXVkaW9UcmFja3Mo KTsKICAgIGNvbnNvbGUubG9nKGF1ZGlvVHJhY2tzKTsKICAgIGF1ZGlvVHJhY2sgPSBhdWRpb1Ry YWNrc1swXTsKICAgIHRvZ2dsZUF1ZGlvQnRuLmlubmVySFRNTCA9ICdEaXNhYmxlIFRyYWNrJzsK ICAgIHVwZGF0ZVRyYWNrU3RhdGUoKTsKICAgIGF1ZGlvVHJhY2sub25lbmRlZCA9IHVwZGF0ZVRy YWNrU3RhdGU7CiAgICBjb25zb2xlLmxvZygiZ290IGF1ZGlvIHRyYWNrIik7CiAgICB0b2dnbGVB dWRpb0J0bi5kaXNhYmxlZCA9IGZhbHNlOwogICAgZG9jdW1lbnQuZ2V0RWxlbWVudEJ5SWQoImNy ZWF0ZUF1ZGlvRWxlbWVudCIpLmRpc2FibGVkID0gZmFsc2U7CiAgICB9CgogICAgZG9jdW1lbnQu Z2V0RWxlbWVudEJ5SWQoImNyZWF0ZUF1ZGlvRWxlbWVudCIpLm9uY2xpY2sgPSBmdW5jdGlvbiBj cmVhdGVBdWRpb0VsZW1lbnQoKSB7CiAgICBjb25zdCBhdWRpbyA9IGRvY3VtZW50LmNyZWF0ZUVs ZW1lbnQoJ2F1ZGlvJyk7CiAgICBhdWRpby5hdXRvcGxheSA9IHRydWUKICAgIGF1ZGlvLmNvbnRy b2xzID0gdHJ1ZQogICAgYXVkaW8uc3JjT2JqZWN0ID0gc3RyZWFtOwogICAgYXVkaW8ucGxheXNJ bmxpbmUgPSB0cnVlOwogICAgY29uc29sZS5sb2coJ2NyZWF0ZWQgYXVkaW8gZWxlbWVudCEnKTsK ICAgIHJldHVybiBhdWRpbzsKICAgIH0KCgogICAgdG9nZ2xlQXVkaW9CdG4ub25jbGljayA9IGZ1 bmN0aW9uKCkgewogICAgYXVkaW9UcmFjay5lbmFibGVkID0gIWF1ZGlvVHJhY2suZW5hYmxlZDsK ICAgIHRvZ2dsZUF1ZGlvQnRuLmlubmVySFRNTCA9IGF1ZGlvVHJhY2suZW5hYmxlZCA/ICdEaXNh YmxlIFRyYWNrJyA6ICdFbmFibGUgVHJhY2snOwogICAgdXBkYXRlVHJhY2tTdGF0ZSgpOwogICAg Y29uc29sZS5sb2coJ1RvZ2dsZWQgQXVkaW8gdG8gYXVkaW9UcmFjay5lbmFibGVkOicsIGF1ZGlv VHJhY2suZW5hYmxlZCk7CiAgICB9CgogICAgZG9jdW1lbnQuZ2V0RWxlbWVudEJ5SWQoJ2FkZEF1 ZGlvVG9ET00nKS5vbmNsaWNrID0gKCkgPT4gZG9jdW1lbnQuYm9keS5hcHBlbmRDaGlsZChhdWRp b0VsZW1lbnQpOwogICAgZG9jdW1lbnQuZ2V0RWxlbWVudEJ5SWQoJ3JlbW92ZUF1ZGlvRnJvbURP TScpLm9uY2xpY2sgPSAoKSA9PiBhdWRpb0VsZW1lbnQucmVtb3ZlKCk7Cgo8L3NjcmlwdD4KPC9i b2R5Pgo8L2h0bWw+