Add information on video codecs and conversion of video files#24
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mschwan-phytec merged 3 commits intomainfrom Mar 25, 2026
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Add information on video codecs and conversion of video files#24mschwan-phytec merged 3 commits intomainfrom
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Correct the file icon to display the correct icon in the file dialog instead of the .notdef glyph. Signed-off-by: Tobias Hahn <t.hahn@phytec.de>
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Add a page that can be opened in both multimedia pages to display available video codecs for encoding and decoding and whether they are hardware accelerated or not. In the file dialog there is a new column that lists the video codecs that are used in video files. Using the convert button in the file dialog allows the conversion of video files to different formats, codecs and resolutions. Video files using software codecs can be converted to hardware accelerated videos to allow faster playback for example. Signed-off-by: Tobias Hahn <t.hahn@phytec.de>
Install gstreamer dependency to allow the building with the information on video codecs and conversion of video files.
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Add a page that can be opened in both multimedia pages by pressing the information icon in the toolbar, which displays available video and audio codecs for encoding and decoding and whether they are hardware accelerated or not.
A codec is regarded as hardware accelerated if it can be found in the caps (source caps for encode; sink caps for decode) of a gstreamer element factory, which meets any of the following conditions:
256/GST_RANK_PRIMARYvpu(e.g. vpudec / vpuenc_h264)GST_ELEMENT_FACTORY_TYPE_HARDWAREGST_ELEMENT_FACTORY_KLASS_HARDWAREIn the file dialog there is a new column that lists the video codecs that are used in video files. If the discovery of codecs fails with an error
unknownis displayed instead. If the discovery fails because there are plugins missing (e.g. if a codec in the video can't be decoded) or if the qmlsink is used and there is not at least 1 video and 1 audio streamunsupportedis displayed. If discovery fails for a different reasonfailedis displayed instead. If any of the 3 messages is displayed, the video is additionally disabled in the file dialog. GstDiscoverer is used for discovery.Using the convert button in the file dialog allows the conversion of video files to different formats, codecs and resolutions. The options for file extensions and codecs are selected based on the selected container format. When selecting codecs using the combo box, hardware codecs are displayed normally while software codecs are displayed in italic. Selectable resolutions are "keep the current resolution" (empty combo box), 960x540, 1280x720, 1600x900 and 1920x1080.