191419 2018-11-08 04:08:33 -0800 [MSE][GStreamer] Soundcloud serves MP4 audio with empty tfdt boxes 2021-06-18 09:21:18 -0700 1 1 1 Unclassified WebKit WebKitGTK WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 aboya pnormand Alexander88207 bugs-noreply calvaris eric.carlson jer.noble mcatanzaro pnormand oldest_to_newest 1476496 0 aboya 2018-11-08 04:08:33 -0800 Soundcloud is currently not working on WebKitGTK, stalling after a few seconds. See for instance: https://soundcloud.com/ujico/cappuccino After a little analysis I found it uses MSE with MP4 audio, but its fragments have all their tfdt's set to zero, which is *super wrong*. This means that it appends audio fragments without telling the browser what part of the timeline they pertain. But that bears the question, how does it manage to work in other platforms? It works in Chrome and Firefox. I suspect other browsers may be repairing the file by assuming every fragment has the same duration in cases and multiplying it by the sequence number. This problem can be detected safely because when it is present (tfdt == 0 && sequence_number > 0). 1476499 1 calvaris 2018-11-08 04:43:03 -0800 Eric, Jer, is this working for you? Why? 1568698 2 mcatanzaro 2019-09-06 14:27:20 -0700 Ping. 1568866 3 aboya 2019-09-07 03:25:06 -0700 The workaround would likely be in the demuxer, not in WebKit code. 1568923 4 jer.noble 2019-09-07 14:18:31 -0700 That site is currently serving Safari .mp3s, not mp4s: > [Debug] MediaSource::addSourceBuffer(B9E70A31) audio/mpeg That could explain why it's working for Mac ports. 1583786 5 mcatanzaro 2019-10-25 06:36:09 -0700 I suggest trying a Mac user agent quirk, then. 1602060 6 Alexander88207 2020-01-01 04:15:06 -0800 I found out that soundcloud plays fine by edit the sting /org/gnome/epiphany/web/user-agent with dconf-editor to "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36" 1603046 7 Alexander88207 2020-01-06 08:17:17 -0800 Okay "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:64.0) Gecko/20100101 Firefox/64.0" Seems to be a better workaround because the other one breaks youtube somehow with epiphany. 1771000 8 431772 pnormand 2021-06-18 06:42:39 -0700 Created attachment 431772 Patch 1771024 9 ews-feeder 2021-06-18 09:21:15 -0700 Committed r279039 (238959@main): <https://commits.webkit.org/238959@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 431772. 431772 2021-06-18 06:42:39 -0700 2021-06-18 09:21:17 -0700 Patch bug-191419-20210618064238.patch text/plain 3212 pnormand U3VidmVyc2lvbiBSZXZpc2lvbjogMjc5MDM1CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggYjMxZDg3ZmM2YzU3NzAx YjU0MzcxZGQ0MDQzMzVmOGUzNTJmZWE5NS4uOTZhZmRkM2ZkZTE4YzRhOGY0NjA4ZGZlOWRkOWI5 ZmVlZTg3MGExYiAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDE3IEBACisyMDIxLTA2LTE4ICBQaGls aXBwZSBOb3JtYW5kICA8cG5vcm1hbmRAaWdhbGlhLmNvbT4KKworICAgICAgICBbTVNFXVtHU3Ry ZWFtZXJdIFNvdW5kY2xvdWQgc2VydmVzIE1QNCBhdWRpbyB3aXRoIGVtcHR5IHRmZHQgYm94ZXMK KyAgICAgICAgaHR0cHM6Ly9idWdzLndlYmtpdC5vcmcvc2hvd19idWcuY2dpP2lkPTE5MTQxOQor CisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisgICAgICAgIFdoZW4gTVNF IGlzIHVzZWQgdGhlIHBsYXllciByZWNlaXZlcyBicm9rZW4gYXVkaW8gZnJhZ21lbnRzLCBwZXJo YXBzIGJlY2F1c2UgdGhlIHNlcnZlcgorICAgICAgICBleHBlY3RzIHRoZSBjbGllbnQgdG8gcmVw YWlyIHRoZW0uIE5vdCBtdWNoIHdlIGNhbiBkbyBhYm91dCB0aGlzIG9uIEdTdHJlYW1lciBzaWRl IHRob3VnaCwKKyAgICAgICAgc28gYmVoYXZlIGFzIGEgQ2hyb21lIFVzZXJBZ2VudCBhbmQgdGhl biBNU0UgaXMgbm90IHVzZWQsIHRoZSBwbGF5ZXIgcmVjZWl2ZXMgYW4gTVAzIHN0cmVhbS4KKwor ICAgICAgICAqIHBsYXRmb3JtL1VzZXJBZ2VudFF1aXJrcy5jcHA6CisgICAgICAgIChXZWJDb3Jl Ojp1cmxSZXF1aXJlc0Nocm9tZUJyb3dzZXIpOgorCiAyMDIxLTA2LTE4ICBQaGlsaXBwZSBOb3Jt YW5kICA8cG5vcm1hbmRAaWdhbGlhLmNvbT4KIAogICAgICAgICBbR1N0cmVhbWVyXSBpbXBvcnRl ZC93M2Mvd2ViLXBsYXRmb3JtLXRlc3RzL21lZGlhY2FwdHVyZS1zdHJlYW1zL01lZGlhU3RyZWFt LU1lZGlhRWxlbWVudC1zcmNPYmplY3QuaHR0cHMuaHRtbCBpcyBmYWlsaW5nIHNpbmNlIHIyNzM2 NDUKZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJDb3JlL3BsYXRmb3JtL1VzZXJBZ2VudFF1aXJrcy5j cHAgYi9Tb3VyY2UvV2ViQ29yZS9wbGF0Zm9ybS9Vc2VyQWdlbnRRdWlya3MuY3BwCmluZGV4IDMx ZmE0OThiOGI5MTZkZDIzNWYzZjFiMzVlMWVjOTQzYTFkNmViYjkuLjE4NjY3N2M4MWYyMjViYWI2 NzEyYTQ2Zjc5MTM5MWFhMTg1NTVjNGIgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XZWJDb3JlL3BsYXRm b3JtL1VzZXJBZ2VudFF1aXJrcy5jcHAKKysrIGIvU291cmNlL1dlYkNvcmUvcGxhdGZvcm0vVXNl ckFnZW50UXVpcmtzLmNwcApAQCAtNjIsNiArNjIsMTAgQEAgc3RhdGljIGJvb2wgdXJsUmVxdWly ZXNDaHJvbWVCcm93c2VyKGNvbnN0IFN0cmluZyYgZG9tYWluLCBjb25zdCBTdHJpbmcmIGJhc2VE b20KICAgICBpZiAoZG9tYWluID09ICJkb2NzLmdvb2dsZS5jb20iKQogICAgICAgICByZXR1cm4g dHJ1ZTsKIAorICAgIC8vIHNvdW5kY2xvdWQuY29tIHNlcnZlcyBicm9rZW4gTVNFIGF1ZGlvIGZy YWdtZW50cyB3aXRoIFdlYktpdEdUSydzIHN0YW5kYXJkIHVzZXIgYWdlbnQuCisgICAgaWYgKGJh c2VEb21haW4gPT0gInNvdW5kY2xvdWQuY29tIikKKyAgICAgICAgcmV0dXJuIHRydWU7CisKICAg ICByZXR1cm4gZmFsc2U7CiB9CiAKZGlmZiAtLWdpdCBhL1Rvb2xzL0NoYW5nZUxvZyBiL1Rvb2xz L0NoYW5nZUxvZwppbmRleCA0ZWE3ZWI2ZWI4ZjU4MTdmODE4NTkzYTJiOGZlYzIyMWY1NmZjYjcw Li41YmQzMjlkZDY3ZDRmNWFhZGYwMmNhNzFmZmMxMTYzYTcwMjNlZDY2IDEwMDY0NAotLS0gYS9U b29scy9DaGFuZ2VMb2cKKysrIGIvVG9vbHMvQ2hhbmdlTG9nCkBAIC0xLDMgKzEsMTMgQEAKKzIw MjEtMDYtMTggIFBoaWxpcHBlIE5vcm1hbmQgIDxwbm9ybWFuZEBpZ2FsaWEuY29tPgorCisgICAg ICAgIFtNU0VdW0dTdHJlYW1lcl0gU291bmRjbG91ZCBzZXJ2ZXMgTVA0IGF1ZGlvIHdpdGggZW1w dHkgdGZkdCBib3hlcworICAgICAgICBodHRwczovL2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5j Z2k/aWQ9MTkxNDE5CisKKyAgICAgICAgUmV2aWV3ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAg ICAgICAgKiBUZXN0V2ViS2l0QVBJL1Rlc3RzL1dlYkNvcmUvVXNlckFnZW50UXVpcmtzLmNwcDoK KyAgICAgICAgKFRlc3RXZWJLaXRBUEk6OlRFU1QpOiBBZGQgYSB0ZXN0IGZvciB0aGUgc291bmRj bG91ZCBxdWlyay4KKwogMjAyMS0wNi0xNyAgTWFyayBMYW0gIDxtYXJrLmxhbUBhcHBsZS5jb20+ CiAKICAgICAgICAgRGVmaW5lIE1hY3JvQXNzZW1ibGVyQVJNNjRFOjpudW1iZXJPZlBBQ0JpdHMg YmFzZWQgb24gT1NfQ09OU1RBTlQoRUZGRUNUSVZFX0FERFJFU1NfV0lEVEgpLgpkaWZmIC0tZ2l0 IGEvVG9vbHMvVGVzdFdlYktpdEFQSS9UZXN0cy9XZWJDb3JlL1VzZXJBZ2VudFF1aXJrcy5jcHAg Yi9Ub29scy9UZXN0V2ViS2l0QVBJL1Rlc3RzL1dlYkNvcmUvVXNlckFnZW50UXVpcmtzLmNwcApp bmRleCA5MzliNzBkZDQ0ODc4OGU2M2Y4ZmQ4ODQ1ZTJkYjRhOTZjMWMzNDgxLi41ZjkyNTMyNzkx YTQwZTgzNTIzM2QwYWMxNTgyNTUxN2E5ZGQ1YjAwIDEwMDY0NAotLS0gYS9Ub29scy9UZXN0V2Vi S2l0QVBJL1Rlc3RzL1dlYkNvcmUvVXNlckFnZW50UXVpcmtzLmNwcAorKysgYi9Ub29scy9UZXN0 V2ViS2l0QVBJL1Rlc3RzL1dlYkNvcmUvVXNlckFnZW50UXVpcmtzLmNwcApAQCAtODYsNiArODYs NyBAQCBURVNUKFVzZXJBZ2VudFRlc3QsIFF1aXJrcykKICAgICBhc3NlcnRVc2VyQWdlbnRGb3JV UkxIYXNDaHJvbWVCcm93c2VyUXVpcmsoImh0dHA6Ly90eXBla2l0Lm5ldC8iKTsKICAgICBhc3Nl cnRVc2VyQWdlbnRGb3JVUkxIYXNDaHJvbWVCcm93c2VyUXVpcmsoImh0dHA6Ly9hdXRoLm1heW9o ci5jb20vIik7CiAgICAgYXNzZXJ0VXNlckFnZW50Rm9yVVJMSGFzQ2hyb21lQnJvd3NlclF1aXJr KCJodHRwOi8vYmFua29mYW1lcmljYS5jb20vIik7CisgICAgYXNzZXJ0VXNlckFnZW50Rm9yVVJM SGFzQ2hyb21lQnJvd3NlclF1aXJrKCJodHRwOi8vc291bmRjbG91ZC5jb20vIik7CiAKICAgICBh c3NlcnRVc2VyQWdlbnRGb3JVUkxIYXNGaXJlZm94QnJvd3NlclF1aXJrKCJodHRwOi8vYnVnemls bGEucmVkaGF0LmNvbS8iKTsKIAo=