Changes between Version 8 and Version 9 of Capture/Webcam


Ignore:
Timestamp:
Dec 18, 2012, 11:49:10 PM (6 years ago)
Author:
rogerdpack
Comment:

note moved docu

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  • Capture/Webcam

    v8 v9  
    44=== dshow ===
    55
    6 For windows you should probably use the "dshow" input source, like this:
    7 {{{
    8 ffmpeg -f dshow -r 25 -s 640x480 -i video="USB2.0_Camera":audio="Microphone (USB Audio Device)" output.avi
    9 }}}
    10 
    11 To list all available devices, you can type:
    12 {{{
    13 ffmpeg -f dshow -list_devices true -i dummy
    14 }}}
    15 
    16 To list all the options that one device supports, you can type:
    17 {{{
    18 ffmpeg -f dshow -list_options true -i video=<video device>
    19 }}}
    20 
    21 ffmpeg can also take dshow (DirectShow) as input by creating an avisynth file (.avs file) that itself gets input from a graphedit file, which graphedit file exposes a pin of your capture source or any filter really, ex ("yo.avs"):
    22 
    23 DirectShowSource("push2.GRF", fps=35, audio=False, framecount=1000000)
    24 
    25 Also this note that "The input string is in the format video=<video device name>:audio=<audio device name>. It is possible to have two separate inputs (like -f dshow -i audio=foo -f dshow -i video=bar) but my limited tests had shown a better synchronism when both were used in the same input."
     6For windows you should probably use the "dshow" (DirectShow) FFmpeg input source.  See DirectShow.
    267
    278=== vfwcap ===
    289
    29 Or you can also possibly use the (now out dated) '''[http://ffmpeg.org/ffmpeg.html#vfwcap vfwcap]''' input device, like this:
     10Windows users that can't use DirectShow can possibly use the (now out dated) '''[http://ffmpeg.org/ffmpeg.html#vfwcap vfwcap]''' input device, like this:
    3011
    3112To list the supported capture devices, connected to the machine:
     
    5536}}}
    5637
    57 Where "'''-i 0'''" is the index (zero based) in the list of present capture devices ("'''Driver 0'''").
     38Where "'''-i 0'''" is the index (zero based) in the list of present capture devices ("'''Driver 0'''" in this instance).
    5839
    5940== Linux ==