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    Twitter video's sound gets muted.

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    • Lucifer6666
      Lucifer6666 last edited by

      Contacted devs about this months ago.They wanted bunch of information and than said they couldn't reproduce the issue and stopped responding.I still have this problem and as they can see a lot of people also suffers from the same thing.

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      • valentinbreiz
        valentinbreiz last edited by

        same problem...

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        • luca786toni
          luca786toni last edited by

          Problem is still there. Has been here for a long time. I honestly wish there was paid version of Opera or bounty programs that would allow us to pay Opera devs so they could fix these huge bugs.

          Windows 10 Edu (1803) 64-Bit
          Opera 58.0.3135.127 (latest as of writing)
          WidevineCDM 4.10.1196.0

          Audio cuts off 9 seconds in. The last 2 seconds can be heard after a second playback: https://twitter.com/xxGodsLastGift/status/1114036356576088064

          Tried without ad-blocker
          Tried in Opera Beta 60.0.3255.20 (no extensions) (latest as of writing)
          Tried in Opera Developer 61.0.3275.0 (no extensions) (latest as of writing)
          No flags touched
          Tried an new user account, clean profile, same problem

          Works in Chrome 73.0.3683.103, Firefox 66.0.2, and Edge 42.17134.1.0 (all latest as of writing)
          On these browsers where it works, at 9 seconds the audio jumps in volume and also has a different sound to it as if it changed mics(?)

          I tried replacing the files in Opera's WidevineCDM folder (C:\Users[username]\AppData\Roaming\Opera Software\Opera Stable\WidevineCDM\4.10.1196.0) with the files from Chrome's WidevineCDM folder (C:\Program Files (x86)\Google\Chrome\Application\73.0.3683.103\WidevineCdm). Even tried replacing the whole WidevineCDM folder with Chrome's.
          Still same problem.

          Opera is using WidevineCDM 4.10.1196.0 while Chrome is using WidevineCDM 4.10.1303.2

          This is intermittent. Some videos work fine, others don't. The video in the Tweet that I linked above fails every time in Opera and works every time in every other browser.
          Twitter (and Facebook?) is almost unusable in Opera with this problem.

          There's another thread on this too: https://forums.opera.com/topic/30327/twitter-videos-sound-problem

          Reply Quote 2
            burnout426 silaz 2 Replies Last reply
          • noble-irk
            noble-irk @Guest last edited by

            @bninja96 same problem

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            • Tonic-X
              Tonic-X last edited by

              Having the same issue since so long but now I've had it.. the audio stops after 8-9 seconds in most videos on twitter & returns at the end of video.. It's really irritating. Also making the video fullscreen solves the audio issue but freezes the video itself. What is going on!
              Tried everything, only solution is to copy tweet link & watch video on other browser.

              Using version 58.0.3135.127
              Win 7 64bit

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              • burnout426
                burnout426 Volunteer last edited by

                It shouldn't make a difference, but try it anyway. In Opera, goto the URL opera://flags/#autoplay-policy and set it to "No user gesture required".

                Reply Quote 0
                  luca786toni 1 Reply Last reply
                • burnout426
                  burnout426 Volunteer @luca786toni last edited by burnout426

                  @luca786toni said in Twitter video's sound gets muted.:

                  Audio cuts off 9 seconds in. The last 2 seconds can be heard after a second playback: https://twitter.com/xxGodsLastGift/status/1114036356576088064

                  I can confirm with this one. This is a decoding issue. There's something significant about 9 seconds. If you listen to it in Chrome, at 9 seconds is when the sound switches to louder etc. and that's exactly when the audio cuts out in Opera.

                  Looking at opera://media-internals after playing the video, I see it's streaming blobs of the video/audio data and it switches to mono or something midstream.

                  Selected WMFAudioDecoder for audio decoding, config: codec: aac, bytes_per_channel: 2, channel_layout: 3, channels: 2, samples_per_second: 44100, sample_format: 2, bytes_per_frame: 4, seek_preroll: 0us, codec_delay: 0, has extra data: true, encryption scheme: Unencrypted, discard decoder delay: false
                  
                  Selected WMFAudioDecoder for audio decoding, config: codec: aac, bytes_per_channel: 2, channel_layout: 3, channels: 2, samples_per_second: 44100, sample_format: 2, bytes_per_frame: 4, seek_preroll: 0us, codec_delay: 0, has extra data: true, encryption scheme: Unencrypted, discard decoder delay: false
                  
                  audio decoder config changed midstream, new config: codec: aac, bytes_per_channel: 2, channel_layout: 2, channels: 1, samples_per_second: 44100, sample_format: 2, bytes_per_frame: 2, seek_preroll: 0us, codec_delay: 0, has extra data: true, encryption scheme: Unencrypted, discard decoder delay: false
                  
                  Selected WMFAudioDecoder for audio decoding, config: codec: aac, bytes_per_channel: 2, channel_layout: 3, channels: 2, samples_per_second: 44100, sample_format: 2, bytes_per_frame: 4, seek_preroll: 0us, codec_delay: 0, has extra data: true, encryption scheme: Unencrypted, discard decoder delay: false
                  

                  Same issue with Vivaldi. I guess the Windows Media Foundation that Opera and Vivaldi use to decode the audio doesn't like the channel count switching like that.

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                  • burnout426
                    burnout426 Volunteer last edited by

                    Are the videos that have this problem usually TikTok videos embedded in Twitter?

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                    • luca786toni
                      luca786toni @burnout426 last edited by

                      @burnout426 said in Twitter video's sound gets muted.:

                      It shouldn't make a difference, but try it anyway. In Opera, goto the URL opera://flags/#autoplay-policy and set it to "No user gesture required".

                      Tried it, still the same.

                      Here's another example that I bookmarked:
                      https://twitter.com/juventusfcen/status/1114541160213749760

                      Different length (1:23) yet the audio still cuts out at 9 seconds and comes back for the last 2 seconds (on the second playback).

                      I've noticed that it's from videos recorded & uploaded from mobile (vertical footage). Maybe they recorded it with the stock camera and uploaded it to Twitter or used the in-app camera (doubt it)?

                      If it is because of mobile (where the footage was recorded) then I don't know if it's the iOS's encoder or Android's encoder that Opera doesn't play well with.

                      The more patterns we can pull from more examples that we post, we can probably narrow down the cause. 👍

                      Reply Quote 0
                        burnout426 1 Reply Last reply
                      • burnout426
                        burnout426 Volunteer @luca786toni last edited by

                        @luca786toni said in Twitter video's sound gets muted.:

                        Here's another example

                        Confirmed. And, here are some more (if you find any more, please post links):

                        https://twitter.com/xxGodsLastGift/status/1114036356576088064
                        https://twitter.com/xxGodsLastGift/status/1111876353094238208
                        https://twitter.com/ShyCountryCutie/status/1107543612089200642
                        https://twitter.com/ShyCountryCutie/status/1106975279501602816
                        https://twitter.com/ShyCountryCutie/status/1106716407826284544
                        https://twitter.com/ShyCountryCutie/status/1104993101028896768
                        https://twitter.com/maeve_mcdermott/status/1113822509940531200
                        https://twitter.com/officerdaddo/status/1110918526234230785
                        https://twitter.com/officerdaddo/status/1097321507766919170

                        It's a known issue (DNA-74703) and why the audio cuts out is known. However, it's not an easy fix to work around the issue. It needs reworking of the audio handling to fix it. Same for Vivaldi. Same for Firefox on Mac (I hear). The audio works fine on Firefox for Windows as they did some reworking that makes things work. As for Safari, the audio works, but Twitter serves up the audio to Safari in a different way, so that's not a great comparison. The reason it works in Chrome is because it uses ffmpeg for media instead of the Windows Media Foundation. It works in Edge too.

                        So, it's possible to fix in Opera. It's just going to take some work if Opera is able to provide the dev resources to do it.

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                          luca786toni 1 Reply Last reply
                        • luca786toni
                          luca786toni @burnout426 last edited by luca786toni

                          @burnout426 said in Twitter video's sound gets muted.:

                          Confirmed. And, here are some more (if you find any more, please post links):

                          https://twitter.com/xxGodsLastGift/status/1114036356576088064
                          https://twitter.com/xxGodsLastGift/status/1111876353094238208
                          https://twitter.com/ShyCountryCutie/status/1107543612089200642
                          https://twitter.com/ShyCountryCutie/status/1106975279501602816
                          https://twitter.com/ShyCountryCutie/status/1106716407826284544
                          https://twitter.com/ShyCountryCutie/status/1104993101028896768
                          https://twitter.com/maeve_mcdermott/status/1113822509940531200
                          https://twitter.com/officerdaddo/status/1110918526234230785
                          https://twitter.com/officerdaddo/status/1097321507766919170

                          It's a known issue (DNA-74703) and why the audio cuts out is known.

                          For me, the audio in the links:

                          1. Doesn't work
                          2. Works
                          3. Deleted
                          4. Works
                          5. Works
                          6. Works
                          7. Works
                          8. Works
                          9. Works

                          The ones that work all worked immediately first time. They're all from mobile and they all look like reuploads - as in they were downloaded from the original poster's account rather directly uploaded from the app that recorded it. This could contribute to more compression of the video files and also stripping out multiple audio channels down to just 2 channels (would have perhaps even forcing 2 channels only (or even mono channel) thus fixing any issues - I say this because they worked for me for some reason).

                          Though, unlike the Bugzilla report on Firefox for this problem, this all sounds like it is more than just a multiple channel problem in Opera. I'm not even sure multiple channels are the issue for Opera.

                          I'm really curious to see if this problem is present in videos not recorded/edited/encoded/uploaded from mobile, like a trailer or a meme uploaded from a computer to Twitter or wherever.

                          Here are the only flags I have toggled (not that they work properly anyway, overlay scrollbar is still broken - also just noticed that taking screenshots of the flags page cuts the image in half... we're just stumbling across bugs left and right at this point 😅):
                          d1d101b7-9a07-44fa-af35-912c7a93201a-image.png

                          Here are my Windows Performance Options (which also should have no affect):
                          215e0d74-24a6-40b3-9791-f1073d112ae6-image.png
                          _
                          dc13cba7-1f5a-4a10-934d-765ac890ea08-image.png
                          _
                          Here are my Opera settings that have worked for some when changed (mostly Chrome users?), for whatever reason (makes no difference to me, nor even sense why it would change anything) (my ad blocker is turned on):
                          80c290c7-59f3-4007-972a-dea7ffe279c4-image.png

                          a3895f79-f04d-4266-b478-6bf9a7776307-image.png

                          3bd42c1d-15bc-46ec-acb8-c1eeb8b15578-image.png

                          293f3fe9-7239-4bef-a503-900a4ce9c807-image.png

                          884d0a7f-4811-42cc-a258-a007b69eda83-image.png

                          Here are my 3 Opera extension that are enabled (extensions page also does not work well with screenshot tool):
                          fbd31939-d0fd-444f-bedc-bace84227aab-image.png
                          697afe93-60d8-47f6-b961-760b093578df-image.png

                          The only solution I've read here so far is making the video full screen to hear all the audio. Not an ideal permanent solution.

                          Reply Quote 0
                            burnout426 1 Reply Last reply
                          • burnout426
                            burnout426 Volunteer @luca786toni last edited by

                            @luca786toni said in Twitter video's sound gets muted.:

                            For me, the audio in the links:

                            Doesn't work
                            Works
                            Deleted
                            Works
                            Works
                            Works
                            Works
                            Works
                            Works

                            Interesting that you get different results.

                            As for your settings in Opera and Windows, I don't think they matter.

                            @luca786toni said in Twitter video's sound gets muted.:

                            The only solution I've read here so far is making the video full screen to hear all the audio.

                            With https://twitter.com/ShyCountryCutie/status/1104993101028896768 for example, switching to full screen does make it play. However, it never gets louder at 9 seconds (in Chrome either) like the non-full-screen version. Twitter probably sends the video in a different way which doesn't present the problem.

                            @luca786toni said in Twitter video's sound gets muted.:

                            They're all from mobile and they all look like reuploads

                            Yeah, not sure. I did ask a few Twitter users if the increased loudness in Chrome at 9 seconds is intentional or not. Still waiting for replies. It could be Twitter is boogering them up.

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                            • silaz
                              silaz @luca786toni last edited by

                              @luca786toni Same here, they really need to fix this annoying bug.

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                                burnout426 1 Reply Last reply
                              • burnout426
                                burnout426 Volunteer @silaz last edited by

                                @silaz Do you have any links that show the problem?

                                Reply Quote 1
                                  silaz Lucifer6666 2 Replies Last reply
                                • silaz
                                  silaz @burnout426 last edited by

                                  @burnout426 Well, just use Opera and go on Twitter. If you shouldn't have the same issue like all the other people, I can upload a video to YT or something.

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                                    burnout426 1 Reply Last reply
                                  • burnout426
                                    burnout426 Volunteer @silaz last edited by burnout426

                                    @silaz I was hoping to gather specific links on Twitter to gauge how abundant these problem videos are.

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                                    • Lucifer6666
                                      Lucifer6666 @burnout426 last edited by Lucifer6666

                                      @burnout426 I can say it's getting worst. At first it was maybe 2-3 videos a day that had this problem but now most of the videos I saw on twitter has this.
                                      If you wanna compare two here is a link.

                                      Length : 56 seconds,audio is gone after 9 seconds
                                      https://twitter.com/erdalbiroll/status/1116473516684132352

                                      Length : 44 seconds, audio is perfectly fine
                                      https://twitter.com/Red_ZaZa_/status/1116575919215276033

                                      Edit: Also the fullscreen solution works.When the video is fullscreen, audio spikes up at 9 second so it is either a problem about how opera handles .ts file extension or how Twitter streams these.If you go fullscreen before 9 seconds you can turn it back to normal and it works fine.

                                      Reply Quote 1
                                        burnout426 luca786toni 2 Replies Last reply
                                      • burnout426
                                        burnout426 Volunteer @Lucifer6666 last edited by

                                        @Lucifer6666 said in Twitter video's sound gets muted.:

                                        Length : 56 seconds,audio is gone after 9 seconds
                                        https://twitter.com/erdalbiroll/status/1116473516684132352

                                        Yes, thanks. That's another one.

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                                        • luca786toni
                                          luca786toni @Lucifer6666 last edited by

                                          @Lucifer6666 said in Twitter video's sound gets muted.:

                                          If you wanna compare two here is a link.

                                          Length : 56 seconds,audio is gone after 9 seconds
                                          https://twitter.com/erdalbiroll/status/1116473516684132352

                                          Length : 44 seconds, audio is perfectly fine
                                          https://twitter.com/Red_ZaZa_/status/1116575919215276033

                                          The first video is screencaptured on a mobile (iPhone), also horizontal.
                                          The second video is landscape (manually pillarbox'd), possibly from a computer.

                                          It seems the theory that the problem is with mobile recorded/processed/uploaded videos is looking true.

                                          I'm curious to see if we can come across some landscape/horizontal videos with the audio problem.

                                          Reply Quote 1
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                                          • burnout426
                                            burnout426 Volunteer last edited by

                                            Some more that show the problem for me.

                                            https://twitter.com/thesimplecrew/status/1117105076584108034
                                            https://twitter.com/kgmpike/status/1117221328468238336
                                            https://twitter.com/bitandbang/status/1117225129539506177
                                            https://twitter.com/alyssarose1391/status/1117303511018983425
                                            https://twitter.com/sarancr7/status/1117286932742987776
                                            https://twitter.com/KayeMaxilom03/status/1117296958081658880

                                            Reply Quote 1
                                              luca786toni 1 Reply Last reply
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