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On Tue, Jun 17, 2014 at 11:39 AM, <meino.cramer@×××.de> wrote: |
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> Canek Peláez Valdés <caneko@×××××.com> [14-06-17 00:40]: |
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>> On Mon, Jun 16, 2014 at 12:23 PM, <meino.cramer@×××.de> wrote: |
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>> > Hi, |
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>> > |
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>> > is there any other application than guvcview be able to control the uvc parameters |
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>> > of a uvc camera (Logitech C920) while gstreamer is reading its device |
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>> > (/dev/video1) ? |
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>> |
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>> What parameters? Usually the v4l2src element in gstreamer is able to |
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>> change the video parameters (norm, brightness, hue, contrast, etc.) |
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>> |
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>> gst-inspect-1.0 v4l2src will tell you about all the possible |
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>> parameters that v4l2src can handle. |
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>> |
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>> Regards. |
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>> -- |
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>> Canek Peláez Valdés |
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>> Profesor de asignatura, Facultad de Ciencias |
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>> Universidad Nacional Autónoma de México |
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>> |
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> |
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> |
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> Hi Canek, |
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> |
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> ...yesno. |
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> Some aspects of the camera like brightness, focus, pan, tilt etc. |
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> are hardly set when not done interactively. |
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> |
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> So I need an application with sliders, knobs etc to tweak and tune |
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> such parameters while watching the stream... |
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> |
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> Is there one like that? |
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|
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You can use cheese; it allows you to set brightness, constrast, |
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saturation and hue using sliders. Approximating those to the 32 bit |
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signed values that v4l2src uses should be easy. |
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|
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Regards. |
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-- |
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Canek Peláez Valdés |
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Profesor de asignatura, Facultad de Ciencias |
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Universidad Nacional Autónoma de México |
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