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Translation of the wiki page Archive:Kdenlive/Manual/Project Menu/Render/Render Profile Parameters from English (en) to गोंयची कोंकणी (gom)

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Kdenlive/Manual/Project Menu/Render/Render Profile Parameters

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== Render Profile Parameters ==‎

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===Render Profile Parameters - How to read them - ver 0.9.10 === In version 0.9.10 the render profile parameters changed significantly. <br />‎

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[[File:Kdenlive Edit render profile 0.9.10.png]]‎

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Kdenlive now makes use of "property presets" delivered by the ''melt'' project (see [http://www.mltframework.org/bin/view/MLT/PropertyPresets melt doco]). These presets are referenced by the ''properties=<preset>'' syntax. In the example illustrated, the render profile is referencing ''lossless/H.264''. This refers to a property preset found in file H.264 found on the system at <tt>/usr/share/mlt/presets/consumer/avformat/lossless</tt>.‎

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All the ''<presets>'' referenced in the render settings in Kdenlive will be referring to presets found at <tt>/usr/share/mlt/presets/consumer/avformat/</tt> (on a default install). Note that you reference presets found in subdirectories of this folder using a <tt><dirname>/<profile></tt> syntax as shown in the example above.‎

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{{Output|1=<nowiki> properties=lossless/H.264 g=120 crf=%quality ab=%audiobitrate+'k' </nowiki>}}‎

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The preset files found at <tt>/usr/share/mlt/presets/consumer/avformat/</tt> are simple text files that contain the ''melt'' parameters that define the rendering. An example is shown below. These are the same parameters that were used in earlier versions of Kdenlive — see next section for how to read those. Contents of lossless/H.264:  {{Output|1=<nowiki> f=mp4 acodec=aac ab=384k vcodec=libx264 intra=1 vb=0 g=0 bf=0 preset=medium qscale=1 qp=0 coder=ac‎

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meta.preset.extension=mp4 meta.preset.note=Intra-frame only, lossless compressed MPEG-4 AVC with AAC audio </nowiki>}} ‎

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=== Render Profile Parameters - How to read them - earlier versions of Kdenlive ===‎

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[[File:Custom render profiles.png|300px]]‎

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The parameters that go into a render profile derive from the '''ffmpeg''' program.‎

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This is a worked example to show how you can understand what these parameters mean using the '''ffmpeg''' documentation.‎

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In the example above the parameters are:‎

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{{Output|1=<nowiki>f=dvd vcodec=mpeg2video acodec=mp2 b=5000k maxrate=8000k minrate=0 bufsize=1835008 mux_packet_s=2048 mux_rate=10080000 ab=192k ar=48000 s=720x576 g=15 me_range=63 trellis=1 profile=dv_pal_wide pass=2</nowiki>}}‎

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Looking up the [http://linux.die.net/man/1/ffmpeg ffmpeg help] translates these parameters as shown below.‎

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Main option is:‎

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{{Output|1=<nowiki>-f fmt force format</nowiki>}}‎

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Video options are:‎

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{{Output|1=<nowiki> -vcodec codec force video codec ('copy' to copy stream) -pass n select the pass number (1 or 2) -b bitrate set bitrate (in bits/s) -vb bitrate set bitrate (in bits/s) -s size set frame size (WxH or abbreviation) -me_range <int> E.V.. limit motion vectors range (1023 for DivX player) -trellis <int> E.VA. rate-distortion optimal quantization </nowiki>}}‎

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Audio options are:‎

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{{Output|1=<nowiki> -acodec codec force audio codec ('copy' to copy stream) -ab bitrate set bitrate (in bits/s) -ar rate set audio sampling rate (in Hz) </nowiki>}}‎

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The AVCodecContext AVOptions include:‎

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{{Output|1=<nowiki> -b <int> E.V.. set bitrate (in bits/s) -maxrate <int> E.V.. set max video bitrate tolerance (in bits/s) -minrate <int> E.V.. set min video bitrate tolerance (in bits/s) -g <int> E.V.. set the group of picture size </nowiki>}}‎

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So all the render profile options are documented here in the '''ffmpeg''' documentation.‎

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See also [http://www.mltframework.org/bin/view/MLT/ConsumerAvformat MLT doco] on ConsumerAvFormat.‎

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See also [https://forum.kde.org/viewtopic.php?f=272&t=124869#p329129 HOWTO Produce 4k and 2K videos, YouTube compatible]‎

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{{Prevnext2 | prevpage=Special:MyLanguage/Kdenlive/Manual/Rendering | nextpage=Special:MyLanguage/Kdenlive/Manual/Capturing | prevtext=Rendering Using Guides and Scripts | nexttext=Capturing Video | index=Special:MyLanguage/Kdenlive/Manual | indextext=Back to menu }}‎

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[[Category:Kdenlive]]‎

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