Options  {.no-collapse}

<div markdown class="option">  
<a id="type" data-level="basic">__type__</a> (enum, default: _av_): output selection  

- a: audio only  
- v: video only  
- av: audio and video  
</div>  
  
<div markdown class="option">  
<a id="freq" data-level="basic">__freq__</a> (uint, default: _440_): frequency of beep  
</div>  
<div markdown class="option">  
<a id="freq2" data-level="basic">__freq2__</a> (uint, default: _659_): frequency of odd beep  
</div>  
<div markdown class="option">  
<a id="sr" data-level="basic">__sr__</a> (uint, default: _44100_): output samplerate  
</div>  
<div markdown class="option">  
<a id="flen" data-level="basic">__flen__</a> (uint, default: _1024_): output frame length in samples  
</div>  
<div markdown class="option">  
<a id="ch" data-level="basic">__ch__</a> (uint, default: _1_): number of channels  
</div>  
<div markdown class="option">  
<a id="alter" data-level="basic">__alter__</a> (bool, default: _false_): beep alternatively on each channel  
</div>  
<div markdown class="option">  
<a id="blen" data-level="basic">__blen__</a> (uint, default: _50_): length of beep in milliseconds  
</div>  
<div markdown class="option">  
<a id="fps" data-level="basic">__fps__</a> (frac, default: _25_): video frame rate  
</div>  
<div markdown class="option">  
<a id="sizes" data-level="basic">__sizes__</a> (v2il, default: _1280x720_): video size in pixels  
</div>  
<div markdown class="option">  
<a id="pfmt" data-level="basic">__pfmt__</a> (pfmt, default: _yuv_): output pixel format  
</div>  
<div markdown class="option">  
<a id="lock" data-level="basic">__lock__</a> (bool, default: _false_): lock timing to video generation  
</div>  
<div markdown class="option">  
<a id="dyn" data-level="basic">__dyn__</a> (bool, default: _true_): move bottom banner  
</div>  
<div markdown class="option">  
<a id="ntp" data-level="basic">__ntp__</a> (bool, default: _true_): send NTP along with packets  
</div>  
<div markdown class="option">  
<a id="copy" data-level="basic">__copy__</a> (bool, default: _false_): copy the framebuffer into each video packet instead of using packet references  
</div>  
<div markdown class="option">  
<a id="dur" data-level="basic">__dur__</a> (frac, default: _0/0_): run for the given time in second  
</div>  
<div markdown class="option">  
<a id="adjust" data-level="basic">__adjust__</a> (bool, default: _true_): adjust start time to synchronize counter and UTC  
</div>  
<div markdown class="option">  
<a id="pack" data-level="basic">__pack__</a> (enum, default: _no_): packing mode for stereo views  

- no: no packing  
- ss: side by side packing, forces [views](#views) to 2  
- tb: top-bottom packing, forces [views](#views) to 2  
</div>  
  
<div markdown class="option">  
<a id="disparity" data-level="basic">__disparity__</a> (uint, default: _20_): disparity in pixels between left-most and right-most views  
</div>  
<div markdown class="option">  
<a id="views" data-level="basic">__views__</a> (uint, default: _1_): number of views  
</div>  
<div markdown class="option">  
<a id="rates" data-level="basic">__rates__</a> (strl): number of target bitrates to assign, one per size  
</div>  
<div markdown class="option">  
<a id="logt" data-level="basic">__logt__</a> (bool): log frame time to console  
</div>