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Reto Kromer 2016-01-10 14:21:56 +01:00
parent 67f5124b95
commit bc92215672

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<dl>
<dt>ffplay</dt><dd>starts the command</dd>
<dt>-f lavfi</dt><dd>tells ffmpeg to use the libavfilter input virtual device <a href="http://ffmpeg.org/ffmpeg-devices.html#lavfi" target="_blank">[more]</a></dd>
<dt>-i smptebars=size=640x480</dt><dd>asks for the smptehdbars filter pattern as input and sets the HD resolution. This generates a colour bars pattern, based on the SMPTE Engineering Guideline EG 11990. <a href="https://ffmpeg.org/ffmpeg-filters.html#allrgb_002c-allyuv_002c-color_002c-haldclutsrc_002c-nullsrc_002c-rgbtestsrc_002c-smptebars_002c-smptehdbars_002c-testsrc" target="_blank">[more]</a></dd>
<dt>-i smptebars=size=640x480</dt><dd>asks for the smptehdbars filter pattern as input and sets the VGA (SD) resolution. This generates a colour bars pattern, based on the SMPTE Engineering Guideline EG 11990. <a href="https://ffmpeg.org/ffmpeg-filters.html#allrgb_002c-allyuv_002c-color_002c-haldclutsrc_002c-nullsrc_002c-rgbtestsrc_002c-smptebars_002c-smptehdbars_002c-testsrc" target="_blank">[more]</a></dd>
</dl>
</div>
</div>