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README.html
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<p><strong>-f {H|V|I}</strong> implements “videoflip” image transforms: H = horizontal flip (right-left flip, or mirror image); V = vertical flip ; I = 180 degree rotation or inversion (which is the combination of H with V).</p>
<p><strong>-r {R|L}</strong> 90 degree Right (clockwise) or Left (counter-clockwise) rotations; these are carried out after any <strong>-f</strong> transforms.</p>
<p><strong>-vd <em>decoder</em></strong> chooses the GStreamer pipeline’s h264 decoder, instead of letting decodebin pick it for you. Software decoding is done by avdec_h264; various hardware decoders include: vaapi264dec, nvdec, nvh264dec, v4l2h264dec (these require that the appropriate hardware is available). Using quotes “…” allows some parameters to be included with the decoder name.</p>
<p><strong>-vc <em>converter</em></strong> chooses the GStreamer pipeline’s videoconverter, instead of letting videoconvert choose what to do. When using video4linux hardware decoding by a GPU,<code>-vc v4l2convert</code> will also use the GPU for video conversion. Using quotes “…” allows some parameters to be included with the converter name.</p>
<p><strong>-vc <em>converter</em></strong> chooses the GStreamer pipeline’s videoconverter, instead of the default value “videoconvert”. When using video4linux hardware decoding by a GPU,<code>-vc v4l2convert</code> will also use the GPU for video conversion. Using quotes “…” allows some parameters to be included with the converter name.</p>
<p><strong>-vs <em>videosink</em></strong> chooses the GStreamer videosink, instead of letting autovideosink pick it for you. Some videosink choices are: ximagesink, xvimagesink, vaapisink (for intel graphics), gtksink, glimagesink, waylandsink, osximagesink (for macOS), or fpsdisplaysink (which shows the streaming framerate in fps). Using quotes “…” allows some parameters to be included with the videosink name. For example, <strong>fullscreen</strong> mode is supported by the vaapisink plugin, and is obtained using <code>-vs "vaapisink fullscreen=true"</code>; this also works with <code>waylandsink</code>. The syntax of such options is specific to a given plugin, and some choices of videosink might not work on your system.</p>
<p><strong>-vs 0</strong> suppresses display of streamed video, but plays streamed audio. (The client’s screen is still mirrored at a reduced rate of 1 frame per second, but is not rendered or displayed.) This feature (which streams audio in AAC audio format) is now probably unneeded, as UxPlay can now stream superior-quality Apple Lossless audio without video in Airplay non-mirror mode.</p>
<p><strong>-avdec</strong> forces use of software h264 decoding using Gstreamer element avdec_h264 (libav h264 decoder). This option should prevent autovideosink choosing a hardware-accelerated videosink plugin such as vaapisink.</p>

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README.md
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@@ -339,8 +339,8 @@ Also: image transforms that had been added to RPiPlay have been ported to UxPlay
include: vaapi264dec, nvdec, nvh264dec, v4l2h264dec (these require that the appropriate hardware is
available). Using quotes "..." allows some parameters to be included with the decoder name.
**-vc _converter_** chooses the GStreamer pipeline's videoconverter, instead of letting videoconvert
choose what to do. When using video4linux hardware decoding by a GPU,`-vc v4l2convert` will also use
**-vc _converter_** chooses the GStreamer pipeline's videoconverter, instead of the default
value "videoconvert". When using video4linux hardware decoding by a GPU,`-vc v4l2convert` will also use
the GPU for video conversion. Using quotes "..." allows some parameters to be included with the converter name.
**-vs _videosink_** chooses the GStreamer videosink, instead of letting

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README.txt
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@@ -441,10 +441,10 @@ available). Using quotes "..." allows some parameters to be included
with the decoder name.
**-vc *converter*** chooses the GStreamer pipeline's videoconverter,
instead of letting videoconvert choose what to do. When using
video4linux hardware decoding by a GPU,`-vc v4l2convert` will also use
the GPU for video conversion. Using quotes "..." allows some parameters
to be included with the converter name.
instead of the default value "videoconvert". When using video4linux
hardware decoding by a GPU,`-vc v4l2convert` will also use the GPU for
video conversion. Using quotes "..." allows some parameters to be
included with the converter name.
**-vs *videosink*** chooses the GStreamer videosink, instead of letting
autovideosink pick it for you. Some videosink choices are: ximagesink,