Bug Report Audio stutering

deh-cheesekake · May 29, 2013

What it says on the tin, when I stream with OBS my audio will stop and stutter for about half a second every few seconds. Its really annoying and I cannot find the solution to it. More annoyingly, I also use OBS to record my screen for editing and uploading to YouTube and the problem does NOT occur which is just confusing me even more!

AMD FX4100 (Quad core 3,6GHz)
8GB 1600MHz RAM
GTX 560 (2GB)

Cloudwolf · May 30, 2013

please post a log they can be found in %appdata% obs/logs I had an issue that was like this. Are you using an Asus motherboard and did you install the drivers with it? If something called EPU engine is running stop it that was giving me my issue.

deh-cheesekake · May 30, 2013

Wow, on the mark! The problem has gone. Thanks so much mate

Cloudwolf · May 30, 2013

No problem glad that solved the issue. Yeah I spent a few hours with Jim debugging that same issue over a month ago... I'm not sure what it does but it messes up the timing lol.

deh-cheesekake · May 31, 2013

Bad news, the problem seems to have come back and I no longer have the EPU engine on my system

Below is a copy of the log file:

Code:

16:55:21: Open Broadcaster Software v0.522b - 32bit (´・ω・｀)
16:55:21: -------------------------------
16:55:21: CPU Name: AMD FX(tm)-4100 Quad-Core Processor
16:55:21: CPU Speed: 3616MHz
16:55:21: Physical Memory:  4095MB Total, 4095MB Free
16:55:21: stepping id: 2, model 1, family 15, type 0, extmodel 0, extfamily 3, HTT 1, logical cores 4, total cores 2
16:55:21: monitor 1: pos={0, 0}, size={1920, 1080}
16:55:21: Windows Version: 6.1 Build 7601 S
16:55:21: Aero is Disabled
16:55:21: -------------------------------
16:55:21: OBS Modules:
16:55:21: Base Address     Module
16:55:21: 00C80000         OBS.exe
16:55:21: 581B0000         OBSApi.dll
16:55:21: 58480000         DShowPlugin.dll
16:55:21: 597A0000         GraphicsCapture.dll
16:55:21: 59780000         NoiseGate.dll
16:55:21: ------------------------------------------
16:55:21: Adapter 1
16:55:21:   Video Adapter: NVIDIA GeForce GTX 560 
16:55:21:   Video Adapter Dedicated Video Memory: 2096562176
16:55:21:   Video Adapter Shared System Memory: 2147037184
16:55:21: =====Stream Start: 2013-05-31, 16:55:21===============================================
16:55:21:   Multithreaded optimizations: On
16:55:21:   Base resolution: 1280x720
16:55:21:   Output resolution: 1280x720
16:55:21: ------------------------------------------
16:55:21: Loading up D3D10...
16:55:21: Playback device Default
16:55:21: ------------------------------------------
16:55:21: Using desktop audio input: Speakers (3- Logitech USB Headset)
16:55:21: ------------------------------------------
16:55:21: Using auxilary audio input: Microphone (3- Logitech USB Headset)
16:55:21: ------------------------------------------
16:55:21: Audio Encoding: AAC
16:55:21:     bitrate: 128
16:55:21: Using bitmap image
16:55:21: ------------------------------------------
16:55:21: Video Encoding: x264
16:55:21:     fps: 30
16:55:21:     width: 1280, height: 720
16:55:21:     preset: veryfast
16:55:21:     CBR: no
16:55:21:     CFR: no
16:55:21:     max bitrate: 1700
16:55:21:     buffer size: 4000
16:55:21:     quality: 7
16:55:21: ------------------------------------------
16:55:23: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
16:55:23:   New Scene
16:55:23: Using Window Capture
16:55:23: Using text output
16:55:23: Using text output
16:55:23: Using text output
16:55:23: Using bitmap image
16:55:24: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
16:55:24:   New Scene
16:55:24: Using bitmap image
16:55:24: Using bitmap image
16:55:24: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
16:55:24:   New Scene
16:55:24: Using Window Capture
16:55:26: Using graphics capture
16:55:27: SharedTexCapture hooked
16:55:27: Using Monitor Capture
16:55:29: Total frames rendered: 253, number of frames that lagged: 2 (0.79%) (it's okay for some frames to lag)
16:55:29: =====Stream End: 2013-05-31, 16:55:29=================================================
16:55:30: =====Stream Start: 2013-05-31, 16:55:30===============================================
16:55:30:   Multithreaded optimizations: On
16:55:30:   Base resolution: 1280x720
16:55:30:   Output resolution: 1280x720
16:55:30: ------------------------------------------
16:55:30: Loading up D3D10...
16:55:30: Playback device Default
16:55:30: ------------------------------------------
16:55:30: Using desktop audio input: Speakers (3- Logitech USB Headset)
16:55:31: ------------------------------------------
16:55:31: Using auxilary audio input: Microphone (3- Logitech USB Headset)
16:55:31: ------------------------------------------
16:55:31: Audio Encoding: AAC
16:55:31:     bitrate: 128
16:55:31: Using Monitor Capture
16:55:31: Using graphics capture
16:55:31: ------------------------------------------
16:55:31: Video Encoding: x264
16:55:31:     fps: 30
16:55:31:     width: 1280, height: 720
16:55:31:     preset: veryfast
16:55:31:     CBR: no
16:55:31:     CFR: no
16:55:31:     max bitrate: 1700
16:55:31:     buffer size: 4000
16:55:31:     quality: 7
16:55:31: ------------------------------------------
16:55:31: SharedTexCapture hooked
17:01:35: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:01:35:   New Scene
17:01:35: Using bitmap image
17:01:35: Using bitmap image
17:02:11: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:02:11:   New Scene
17:02:11: Using Monitor Capture
17:02:11: Using graphics capture
17:02:12: SharedTexCapture hooked
17:25:54: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:25:54:   New Scene
17:25:54: Using Window Capture
17:25:54: Using text output
17:25:54: Using text output
17:25:54: Using text output
17:25:54: Using bitmap image
17:26:04: Total frames rendered: 57350, number of frames that lagged: 168 (0.29%) (it's okay for some frames to lag)
17:26:04: =====Stream End: 2013-05-31, 17:26:04=================================================
17:30:27: 
17:30:27: Profiler results:
17:30:27: 
17:30:27: ==============================================================
17:30:27: frame - [100%] [avg time: 2.901 ms] [avg calls per frame: 1] [children: 78.7%] [unaccounted: 21.3%]
17:30:27: | scene->Preprocess - [12.1%] [avg time: 0.351 ms] [avg calls per frame: 1]
17:30:27: | video encoding and uploading - [66.6%] [avg time: 1.933 ms] [avg calls per frame: 1] [children: 65.7%] [unaccounted: 0.965%]
17:30:27: | | CopyResource - [0.62%] [avg time: 0.018 ms] [avg calls per frame: 0]
17:30:27: | | conversion to 4:2:0 - [2.62%] [avg time: 0.076 ms] [avg calls per frame: 0]
17:30:27: | | call to encoder - [61%] [avg time: 1.771 ms] [avg calls per frame: 0]
17:30:27: | | sending stuff out - [1.38%] [avg time: 0.04 ms] [avg calls per frame: 0]
17:30:27: ==============================================================
17:30:27:

deh-cheesekake · May 31, 2013

I have a theory that the program may have left something in the registry as it said "not all components could be uninstalled, these can be uninstalled manually"

Cloudwolf · Jun 1, 2013

I unfortunatley have no idea other than that. Try the IRC channel and see if some one can trouble shoot it with ya also a link to a video containing the audio stutter may be beneficial.

Voxletum · Jun 2, 2013

See if you can flag down Jim- in the chat. Be wary of his evil twin brother: Jim-|sleep

Lain · Jun 4, 2013

I actually don't know if I have much of an answer at the moment. God I really have to implement a better log system for this -- but the log generated from audio data is just so ridiculously huge

Bug Report Audio stutering

deh-cheesekake

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Cloudwolf

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deh-cheesekake

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Cloudwolf

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deh-cheesekake

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deh-cheesekake

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Cloudwolf

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Voxletum

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Lain