Just did a quick test stream:
Open Broadcaster Software v0.50b - 32bit (´・ω・`)
-------------------------------
CPU Name: Intel(R) Xeon(R) CPU W3520 @ 2.67GHz
CPU Speed: 2666MHz
Physical Memory: 4095MB Total, 4095MB Free
stepping id: 5, model 10, family 6, type 0, extmodel 0, extfamily 0, HTT 1, logical cores 8, total cores 4
monitor 1: pos={0, 0}, size={1920, 1200}
monitor 2: pos={1920, 432}, size={1024, 768}
Windows Version: 6.1 Build 7601 S
Aero is Enabled
------------------------------------------
Adapter 1
Video Adapter: NVIDIA Quadro FX 580
Video Adapter Dedicated Video Memory: 511246336
Video Adapter Shared System Memory: 3757989888
=====Stream Start: 2013-04-25, 23:56:15===============================================
Multithreaded optimizations: On
Base resolution: 1920x1200
Output resolution: 1096x684
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Loading up D3D10...
Playback device Default
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Using desktop audio input: Speakers (High Definition Audio Device)
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Using auxilary audio input: Microphone (USB Audio Device)
------------------------------------------
Audio Encoding: AAC
bitrate: 128
------------------------------------------
device: Logitech Webcam 250,
device id \\?\usb#vid_046d&pid_0804&mi_00#6&289a3efc&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\{bbefb6c7-2fc4-4139-bb8b-a58bba724083},
chosen type: I420, usingFourCC: false, res: 640x480 - 640x480, frameIntervals: 333333-2000000, fourCC: 'I420'
audio device: Disable,
audio device id Disabled,
Using directshow input
Using graphics capture
Using Monitor Capture
------------------------------------------
Video Encoding: x264
fps: 25
width: 1096, height: 684
preset: ultrafast
CBR: no
CFR: no
max bitrate: 1950
buffer size: 1950
quality: 9
------------------------------------------
Using RTMP service: Twitch / Justin.tv
Server selection:
rtmp://live-iad-backup.justin.tv/app
SO_SNDBUF was at 8192
SO_SNDBUF is now 65536
Total frames rendered: 438, number of frames that lagged: 0 (0.00%) (it's okay for some frames to lag)
Total duplicated frames: 0 (0.00%)
RTMPPublisher::SocketLoop: Aborting due to bStopping
Number of times waited to send: 0, Waited for a total of 0 bytes
Number of b-frames dropped: 0 (0%), Number of p-frames dropped: 0 (0%), Total 0 (0%)
=====Stream End: 2013-04-25, 23:56:33=================================================
=====Stream Start: 2013-04-25, 23:57:46===============================================
Multithreaded optimizations: On
Base resolution: 1920x1200
Output resolution: 1096x684
------------------------------------------
Loading up D3D10...
Playback device Default
------------------------------------------
Using desktop audio input: Speakers (High Definition Audio Device)
------------------------------------------
Using auxilary audio input: Microphone (USB Audio Device)
------------------------------------------
Audio Encoding: AAC
bitrate: 128
------------------------------------------
device: Logitech Webcam 250,
device id \\?\usb#vid_046d&pid_0804&mi_00#6&289a3efc&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\{bbefb6c7-2fc4-4139-bb8b-a58bba724083},
chosen type: I420, usingFourCC: false, res: 640x480 - 640x480, frameIntervals: 333333-2000000, fourCC: 'I420'
audio device: Disable,
audio device id Disabled,
Using directshow input
Using graphics capture
Using Monitor Capture
------------------------------------------
Video Encoding: x264
fps: 25
width: 1096, height: 684
preset: ultrafast
CBR: no
CFR: no
max bitrate: 1950
buffer size: 1950
quality: 9
------------------------------------------
Using RTMP service: Twitch / Justin.tv
Server selection:
rtmp://live-iad-backup.justin.tv/app
SO_SNDBUF was at 8192
SO_SNDBUF is now 65536
SharedTexCapture hooked
Total frames rendered: 5068, number of frames that lagged: 1520 (29.99%) (it's okay for some frames to lag)
Total duplicated frames: 2923 (57.68%)
RTMPPublisher::SocketLoop: Aborting due to bStopping
Number of times waited to send: 0, Waited for a total of 0 bytes
Number of b-frames dropped: 0 (0%), Number of p-frames dropped: 0 (0%), Total 0 (0%)
=====Stream End: 2013-04-26, 00:03:07=================================================
=====Stream Start: 2013-04-26, 00:03:07===============================================
Multithreaded optimizations: On
Base resolution: 1920x1200
Output resolution: 1096x684
------------------------------------------
Loading up D3D10...
Playback device Default
------------------------------------------
Using desktop audio input: Speakers (High Definition Audio Device)
------------------------------------------
Using auxilary audio input: Microphone (USB Audio Device)
------------------------------------------
Audio Encoding: AAC
bitrate: 128
------------------------------------------
device: Logitech Webcam 250,
device id \\?\usb#vid_046d&pid_0804&mi_00#6&289a3efc&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\{bbefb6c7-2fc4-4139-bb8b-a58bba724083},
chosen type: I420, usingFourCC: false, res: 640x480 - 640x480, frameIntervals: 333333-2000000, fourCC: 'I420'
audio device: Disable,
audio device id Disabled,
Using directshow input
Using graphics capture
Using Monitor Capture
------------------------------------------
Video Encoding: x264
fps: 25
width: 1096, height: 684
preset: ultrafast
CBR: no
CFR: no
max bitrate: 1950
buffer size: 1950
quality: 9
------------------------------------------
SharedTexCapture hooked
Using RTMP service: Twitch / Justin.tv
Server selection:
rtmp://live-iad-backup.justin.tv/app
SO_SNDBUF was at 8192
SO_SNDBUF is now 65536
Total frames rendered: 232, number of frames that lagged: 31 (13.36%) (it's okay for some frames to lag)
Total duplicated frames: 38 (16.38%)
RTMPPublisher::SocketLoop: Aborting due to bStopping
Number of times waited to send: 0, Waited for a total of 0 bytes
Number of b-frames dropped: 0 (0%), Number of p-frames dropped: 0 (0%), Total 0 (0%)
=====Stream End: 2013-04-26, 00:03:18=================================================
Profiler results:
==============================================================
frame - [100%] [avg time: 41.475 ms] [avg calls per frame: 1] [children: 98.8%] [unaccounted: 1.22%]
| scene->Preprocess - [1.93%] [avg time: 0.801 ms] [avg calls per frame: 1]
| video encoding and uploading - [96.9%] [avg time: 40.169 ms] [avg calls per frame: 1] [children: 96.8%] [unaccounted: 0.0506%]
| | CopyResource - [93.4%] [avg time: 38.719 ms] [avg calls per frame: 0]
| | conversion to 4:2:0 - [0.053%] [avg time: 0.022 ms] [avg calls per frame: 0]
| | call to encoder - [3.21%] [avg time: 1.33 ms] [avg calls per frame: 1]
| | sending stuff out - [0.186%] [avg time: 0.077 ms] [avg calls per frame: 1]
==============================================================