Bug Report Frames Dropped in Chunks

Hi,

First of all i'd like to say good job on OBS its rare that you can find something this good that is open source so I tip my hat to you. Now to the issue.

The stream in general runs great, I used the estimator to find my settings and tweaked them a little from there. The issue I am having however is a little puzzling, every so often no matter what game I play, I get frames dropped in one big chunk its not many (around 44 each time to be exact), and they are usually accompanied with a meshing of audio on my end to give a metallic stuttering to the sound, here's what it looks like on stream: http://www.twitch.tv/happyrainbowtime/c/2395876

Here's the log from that stream too.
17:04:03: Open Broadcaster Software v0.522b - 32bit (´・ω・`)
17:04:03: -------------------------------
17:04:03: CPU Name: Intel(R) Core(TM) i7-2700K CPU @ 3.50GHz
17:04:03: CPU Speed: 3500MHz
17:04:03: Physical Memory: 4095MB Total, 4095MB Free
17:04:03: stepping id: 7, model 10, family 6, type 0, extmodel 1, extfamily 0, HTT 1, logical cores 8, total cores 4
17:04:03: monitor 1: pos={1920, 105}, size={1600, 900}
17:04:03: monitor 2: pos={0, 0}, size={1920, 1080}
17:04:03: Windows Version: 6.1 Build 7601 S
17:04:03: Aero is Disabled
17:04:03: -------------------------------
17:04:03: OBS Modules:
17:04:03: Base Address Module
17:04:03: 00FE0000 OBS.exe
17:04:03: 6BB20000 OBSApi.dll
17:04:03: 73C60000 DShowPlugin.dll
17:04:03: 73BA0000 GraphicsCapture.dll
17:04:03: 73B80000 NoiseGate.dll
17:04:03: ------------------------------------------
17:04:03: Adapter 1
17:04:03: Video Adapter: AMD Radeon HD 7900 Series
17:04:03: Video Adapter Dedicated Video Memory: 3202543616
17:04:03: Video Adapter Shared System Memory: 3962847232
17:04:03: ------------------------------------------
17:04:03: Adapter 2
17:04:03: Video Adapter: Intel(R) HD Graphics 3000
17:04:03: Video Adapter Dedicated Video Memory: 67108864
17:04:03: Video Adapter Shared System Memory: 1711276032
17:04:03: =====Stream Start: 2013-06-08, 17:04:03===============================================
17:04:03: Multithreaded optimizations: On
17:04:03: Base resolution: 1920x1080
17:04:03: Output resolution: 1280x720
17:04:03: ------------------------------------------
17:04:03: Loading up D3D10...
17:04:03: Playback device Default
17:04:03: ------------------------------------------
17:04:03: Using desktop audio input: Headphones (2- High Definition Audio Device)
17:04:03: ------------------------------------------
17:04:03: Audio Encoding: AAC
17:04:03: bitrate: 128
17:04:03: Using Window Capture
17:04:03: Using bitmap image
17:04:03: Using graphics capture
17:04:03: ------------------------------------------
17:04:03: Video Encoding: x264
17:04:03: fps: 30
17:04:03: width: 1280, height: 720
17:04:03: preset: veryfast
17:04:03: CBR: no
17:04:03: CFR: no
17:04:03: max bitrate: 3500
17:04:03: buffer size: 3500
17:04:03: quality: 9
17:04:03: ------------------------------------------
17:06:06: Total frames rendered: 3682, number of frames that lagged: 2 (0.05%) (it's okay for some frames to lag)
17:06:06: =====Stream End: 2013-06-08, 17:06:06=================================================
17:07:06: =====Stream Start: 2013-06-08, 17:07:06===============================================
17:07:06: Multithreaded optimizations: On
17:07:06: Base resolution: 1920x1080
17:07:06: Output resolution: 1280x720
17:07:06: ------------------------------------------
17:07:06: Loading up D3D10...
17:07:06: Playback device Default
17:07:06: ------------------------------------------
17:07:06: Using desktop audio input: Headphones (2- High Definition Audio Device)
17:07:06: ------------------------------------------
17:07:06: Audio Encoding: AAC
17:07:06: bitrate: 128
17:07:06: Using Window Capture
17:07:06: Using bitmap image
17:07:06: Using graphics capture
17:07:06: ------------------------------------------
17:07:06: Video Encoding: x264
17:07:06: fps: 30
17:07:06: width: 1280, height: 720
17:07:06: preset: veryfast
17:07:06: CBR: no
17:07:06: CFR: no
17:07:06: max bitrate: 3500
17:07:06: buffer size: 3500
17:07:06: quality: 9
17:07:06: ------------------------------------------
17:07:12: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:07:12: New Scene
17:07:12: Using bitmap image
17:07:14: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:07:14: New Scene
17:07:14: Using Window Capture
17:07:14: Using bitmap image
17:07:14: Using graphics capture
17:07:56: Total frames rendered: 1484, number of frames that lagged: 0 (0.00%) (it's okay for some frames to lag)
17:07:56: =====Stream End: 2013-06-08, 17:07:56=================================================
17:07:58: =====Stream Start: 2013-06-08, 17:07:58===============================================
17:07:58: Multithreaded optimizations: On
17:07:58: Base resolution: 1920x1080
17:07:58: Output resolution: 1280x720
17:07:58: ------------------------------------------
17:07:58: Loading up D3D10...
17:07:58: Playback device Default
17:07:58: ------------------------------------------
17:07:58: Using desktop audio input: Headphones (2- High Definition Audio Device)
17:07:58: ------------------------------------------
17:07:58: Using auxilary audio input: Microphone (AT2020 USB )
17:07:58: ------------------------------------------
17:07:58: Audio Encoding: AAC
17:07:58: bitrate: 128
17:07:58: Using Window Capture
17:07:58: Using bitmap image
17:07:58: Using graphics capture
17:07:58: ------------------------------------------
17:07:58: Video Encoding: x264
17:07:58: fps: 30
17:07:58: width: 1280, height: 720
17:07:58: preset: veryfast
17:07:58: CBR: no
17:07:58: CFR: no
17:07:58: max bitrate: 3500
17:07:58: buffer size: 3500
17:07:58: quality: 9
17:07:58: ------------------------------------------
17:08:05: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:08:05: New Scene
17:08:05: Using bitmap image
17:08:06: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:08:06: New Scene
17:08:06: Using Window Capture
17:08:06: Using bitmap image
17:08:06: Using graphics capture
17:08:24: Total frames rendered: 774, number of frames that lagged: 0 (0.00%) (it's okay for some frames to lag)
17:08:24: =====Stream End: 2013-06-08, 17:08:24=================================================
17:09:31: =====Stream Start: 2013-06-08, 17:09:31===============================================
17:09:31: Multithreaded optimizations: On
17:09:31: Base resolution: 1920x1080
17:09:31: Output resolution: 1280x720
17:09:31: ------------------------------------------
17:09:31: Loading up D3D10...
17:09:31: Playback device Default
17:09:31: ------------------------------------------
17:09:31: Using desktop audio input: Headphones (2- High Definition Audio Device)
17:09:31: ------------------------------------------
17:09:31: Using auxilary audio input: Microphone (AT2020 USB )
17:09:31: ------------------------------------------
17:09:31: Audio Encoding: AAC
17:09:31: bitrate: 128
17:09:31: Using Window Capture
17:09:31: Using bitmap image
17:09:31: Using graphics capture
17:09:31: ------------------------------------------
17:09:31: Video Encoding: x264
17:09:31: fps: 30
17:09:31: width: 1280, height: 720
17:09:31: preset: veryfast
17:09:31: CBR: no
17:09:31: CFR: no
17:09:31: max bitrate: 3500
17:09:31: buffer size: 3500
17:09:31: quality: 9
17:09:31: ------------------------------------------
17:09:33: Using RTMP service: Twitch / Justin.tv
17:09:33: Server selection: rtmp://live-lhr-backup.justin.tv/app
17:09:34: SO_SNDBUF was at 8192
17:09:34: SO_SNDBUF is now 65536
17:09:58: using memory capture
17:10:07: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:10:07: New Scene
17:10:07: Using bitmap image
17:10:07: ++++++++++++++++++++++++++++++++++++++++++++++++++++++
17:10:07: New Scene
17:10:07: Using Window Capture
17:10:07: Using bitmap image
17:10:07: Using graphics capture
17:10:09: using memory capture
18:05:57: Total frames rendered: 101513, number of frames that lagged: 3 (0.00%) (it's okay for some frames to lag)
18:05:57: RTMPPublisher::SocketLoop: Aborting due to bStopping
18:05:57: Number of times waited to send: 0, Waited for a total of 0 bytes
18:05:57: Number of b-frames dropped: 33 (0.033%), Number of p-frames dropped: 51 (0.05%), Total 84 (0.083%)
18:05:57: =====Stream End: 2013-06-08, 18:05:57=================================================
18:10:33:
18:10:33: Profiler results:
18:10:33:
18:10:33: ==============================================================
18:10:33: frame - [100%] [avg time: 3.998 ms] [avg calls per frame: 1] [children: 46.3%] [unaccounted: 53.7%]
18:10:33: | scene->Preprocess - [17.5%] [avg time: 0.7 ms] [avg calls per frame: 1]
18:10:33: | video encoding and uploading - [28.8%] [avg time: 1.153 ms] [avg calls per frame: 1] [children: 28.4%] [unaccounted: 0.425%]
18:10:33: | | CopyResource - [0.175%] [avg time: 0.007 ms] [avg calls per frame: 0]
18:10:33: | | conversion to 4:2:0 - [0.05%] [avg time: 0.002 ms] [avg calls per frame: 0]
18:10:33: | | call to encoder - [27.6%] [avg time: 1.105 ms] [avg calls per frame: 0]
18:10:33: | | sending stuff out - [0.55%] [avg time: 0.022 ms] [avg calls per frame: 0]
18:10:33: ==============================================================
18:10:33:

I've attached my DxDiag too just in case that could be of any use, I did notice however that I am running the 32bit version of OBS while I have a 64bit OS and am running Dx11.

Any help would be appreciated, I can live with it but when it happens a lot it kind of upsets my flow haha
 

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  • DxDiag.txt
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dodgepong

Administrator
Community Helper
According to that log, it happened once over the course of an hour-long stream, which doesn't seem that big to me. Sounds to me like it was just a little blip in your internet service, like a quick dip in available speed. There's not really much you can do in terms of OBS settings to fix that, besides maybe lowering your bit rate a little. Personally I wouldn't be concerned, though.

Are you streaming over wireless?
 
dodgepong said:
According to that log, it happened once over the course of an hour-long stream, which doesn't seem that big to me. Sounds to me like it was just a little blip in your internet service, like a quick dip in available speed. There's not really much you can do in terms of OBS settings to fix that, besides maybe lowering your bit rate a little. Personally I wouldn't be concerned, though.

Are you streaming over wireless?

It happened twice other that hour stream but yesterday when streaming something else it happened 5-6 times. I hadn't really though about it being a connection issue (switched providers recently and i'm currently in the settling period for the new line) i'll give it a few days, try it wired and see if that clears the issue up. Thanks for the help!
 
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