Changes between Version 79 and Version 80 of StreamingGuide


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Timestamp:
Jun 23, 2017, 11:01:15 PM (2 months ago)
Author:
rogerdpack
Comment:

moh

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  • StreamingGuide

    v79 v80  
    1212== Setting == 
    1313 
     14Here is what another person once did for broadcast: 
     15 
     16{{{ 
     17ffmpeg -f dshow -i video="Virtual-Camera" -preset ultrafast -vcodec libx264 -tune zerolatency -b 900k -f mpegts udp://10.1.0.102:1234 
     18}}} 
     19 
     20And here is what another person [http://web.archiveorange.com/archive/v/DUtyPSinPqSIxjhedGQd did]: 
     21{{{ 
     22ffmpeg -f dshow -i video="screen-capture-recorder":audio="Stereo Mix (IDT High Definition" \ 
     23-vcodec libx264 -preset ultrafast -tune zerolatency -r 10 -async 1 -acodec libmp3lame -ab 24k -ar 22050 -bsf:v h264_mp4toannexb \ 
     24-maxrate 750k -bufsize 3000k -f mpegts udp://192.168.5.215:48550 
     25}}}  
     26 
     27NB that they also (for directshow devices) had to adjust the rtbufsize in that example. 
     28 
     29You can see a description of what some of these means, (for example bufsize, bitrate settings) in the [[Encode/H.264]]. 
     30 
     31 
    1432Here's how one guy broadcast a live stream (in this instance a [[directshow|Capture/Desktop#Windows]] screen capture device): 
    1533 
     
    1836}}} 
    1937 
    20 with his custom FFmpeg preset (libx264-my_ffpreset.ffpreset): 
     38with a custom FFmpeg preset (libx264-my_ffpreset.ffpreset) in this case: 
    2139{{{ 
    2240coder=1 
     
    3452}}} 
    3553 
    36 Here is what another person once did: 
    37  
    38 {{{ 
    39 ffmpeg -f dshow -i video="Virtual-Camera" -vcodec libx264 -tune zerolatency -b 900k -f mpegts udp://10.1.0.102:1234 
    40 }}} 
    41  
    42 And here is what another person [http://web.archiveorange.com/archive/v/DUtyPSinPqSIxjhedGQd did]: 
    43 {{{ 
    44 ffmpeg -f dshow -i video="screen-capture-recorder":audio="Stereo Mix (IDT High Definition" \ 
    45 -vcodec libx264 -preset ultrafast -tune zerolatency -r 10 -async 1 -acodec libmp3lame -ab 24k -ar 22050 -bsf:v h264_mp4toannexb \ 
    46 -maxrate 750k -bufsize 3000k -f mpegts udp://192.168.5.215:48550 
    47 }}}  
    48  
    49 NB that they also (for directshow devices) had to adjust the rtbufsize in that example. 
    50  
    51 You can see a description of what some of these means, (for example bufsize, bitrate settings) in the [[Encode/H.264]]. 
    5254 
    5355Here is how you stream to twitch.tv or similar services (rtmp protocol), using ffmpeg 1.0 or ffmpeg-git (tested on 2012-11-12), this is also for pulseaudio users: