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    I get stutter/jump when starting flac files.

    Technical Help
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    • W
      warbaque last edited by

      Every time I start or change song, I get this short jump around 1 second mark.
      E.g. Queen "I Want It All" starts with "I want all"

      I don't have such problem with clementine or foobar2k.

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      • jonas
        jonas last edited by

        What OS is this?
        Do you know how to compile from source? Instructions can be found in the WIKI: https://github.com/strawberrymusicplayer/strawberry/wiki
        Try commenting out / removing this line in src/engine/gstenginepipeline.cpp:

        discoverer_ = gst_discoverer_new(kDiscoveryTimeoutS * GST_SECOND, nullptr);
        
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        • W
          warbaque last edited by

          This is on Windows 10.

          I'm afraid I don't have extra time right now to setup build environment for windows. I can possibly try later when I have extra hour or two to spare.

          Do you have working windows ci pipeline that could build binary for testing from such commit?

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          • jonas
            jonas last edited by

            Try this one:
            https://files.strawberrymusicplayer.org/StrawberrySetup-0.7.2.55.stream-discoverer-disabled-x64.exe

            W 1 Reply Last reply Reply Quote 0
            • jonas
              jonas last edited by

              I'm only guessing that it has to do with the stream discoverer since you said it works with Clementine, if you still have the problem with that setup we can rule it out completely.
              I can't reproduce the problem at all, even on Windows.

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              • W
                warbaque @jonas last edited by

                Ok, tried that one and problem persists.

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                • K
                  kaiser_sosai last edited by

                  I'm also observing this problem on multiple installations (W10). Seems only on FLAC. Directsound and wrapper both seem affected.
                  Anything I can do to assist troubleshooting Jonas?

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                  • jonas
                    jonas last edited by

                    Can you try the latest build from here https://builds.strawberrymusicplayer.org/windows/, (currently StrawberrySetup-0.7.2.211.g22bfbab8-x64.exe). Select "Stream audio to WASAPI" in backend / output.

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                    • jonas
                      jonas last edited by

                      Does it occur only when starting playback, or does it occur when it automatically plays the next track too?

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                      • jonas
                        jonas last edited by jonas

                        To check whether the problem is in Strawberry or GStreamer / the system itself, you can use a command line utility called gst-launch-1.0.

                        Download and install https://gstreamer.freedesktop.org/data/pkg/windows/1.18.0/mingw/gstreamer-1.0-mingw-x86_64-1.18.0.msi

                        Open Command Prompt.
                        Then run:

                        cd \
                        cd gstreamer\1.0\mingw_x86_64\bin
                        

                        Test a local FLAC file:

                        gst-launch-1.0 filesrc location=c:/music/flacfile.flac ! decodebin ! audioconvert ! directsoundsink
                        

                        (Use / instead of \ in paths).

                        Test a stream:

                        gst-launch-1.0 souphttpsrc location=https://stream.radioparadise.com/mellow-320 ! decodebin ! audioconvert ! audioresample ! directsoundsink
                        
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                        • W
                          warbaque @jonas last edited by

                          @jonas it occurs every time, regardless if I start playback manually or if it plays next automatically.

                          There's been some changes since last time I tried (I think it was 0.7.2-55). Back then stuttering happened around 1 second mark, now (0.7.2-211) it happens almost immediately and is less noticable.

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                          • W
                            warbaque last edited by warbaque

                            and no problems with

                            .\gst-launch-1.0 filesrc location='Z:/music/Queen.Discography.Flac/Queen - Greatest Hits II (1991) [FLAC]/03 - Radio Ga Ga.flac' ! decodebin ! audioconvert ! directsoundsink
                            
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                            • W
                              warbaque last edited by warbaque

                              Played around with settings:
                              Wrapper audio sink for automatically detected audio sink
                              -> small stutter
                              Output to a sound card via Direct Sound
                              -> no stutter (actually, I think there might be a really small stutter but ~3 seconds after start)
                              Stream audio to an audio capture device through WASAPI
                              -> small stutter

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                              • jonas
                                jonas last edited by

                                Strangely I can't reproduce this on 2 different Windows 10 laptops tested with different soundcards and DAC's.
                                Can you see any spikes in CPU usage in task manager when this happens. Do you got anti-virus software, other audio software or other software installed that could possible interfere?

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                                • W
                                  warbaque last edited by

                                  No spikes in CPU usage, and no other software interfering that I could think of. I get same problems if I use either of my audio solutions (headphones + xonar essence st soundcard or hdmi to external amp)

                                  If I use "direct sound" -setting it's very hard to notice, but there is small skip or stutter with flacs (around 3 second mark when average bitrate is still going up). I can't hear it clearly with all songs, but they definitely sound wrong (few millisecond skip, hard to estimate)

                                  There's also short pause after pressing "Play" after "Pause".

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                                  • W
                                    warbaque last edited by

                                    It seems that I got less problems when I tried to record it, but two examples can be heard at around 16 and 28 second marks: https://katiska.dy.fi/temp/music/Strawberry Music Player 2020-10-05 23-46-23.mp4

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                                    • C
                                      cripy last edited by cripy

                                      Hi, I wanted to report that I'm having the same problem not only with FLAC files but also with MP3s in 0.8.2. I'm using 64-bits Windows 10 and the two other media players I have available (Firefox and VLC) plus the gst-launch command mentioned above don't show any stuttering.

                                      If I remember correctly, an install of 0.7.2 on the same computer and OS showed the same thing when playing music via the Tidal option built in (the only feature I tried then).

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                                      • jonas
                                        jonas last edited by

                                        @cripy I think that is a different issue. Try increasing the buffer duration to 6000 or 8000 ms.

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                                        • jonas
                                          jonas last edited by

                                          @warbaque
                                          A few things to try:

                                          1. Try setting the buffer duration to 0, it should disable the buffering entirely and the watermark settings won't be used.
                                          2. Increase the process priority. Open task manager, right click on strawberry and select "Set priority" and "High"
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                                          • C
                                            cripy @jonas last edited by

                                            @jonas Problem persists 😞

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