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  • Committer: Stian Selnes
  • Date: 2010-05-09 14:15:59 UTC
  • Revision ID: stian.selnes@tandberg.com-20100509141559-pj4typprju7t9qtp
[playraw] Added preferences (brightness/contrast for rawcompare). Dialog and instant update.

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src/rawcompare.vala
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    private dynamic Element suppresscolor1;
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    private dynamic Element suppresscolor2;
 
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    private dynamic Element videocompare;
 
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    private int brightness;
 
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    private int contrast;
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    ~RawCompare () {
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        close_file ();
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        this.format = format;
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        this.xid = xid;
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        var prefs = Config.Preferences.instance ();
 
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        this.brightness = prefs.brightness;
 
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        this.contrast = prefs.contrast;
 
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        // Notify when preferences change so we can update immediately
 
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        prefs.notify["brightness"] += on_preference_change;
 
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        prefs.notify["contrast"] += on_preference_change;
 
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        loading_complete = false;
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        pipeline = new Pipeline ("RawComparePipeline");
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        pipeline.add (suppresscolor2);
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        // Compare and display
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        var videocompare = ElementFactory.make ("videocompare", null);
 
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        videocompare = ElementFactory.make ("videocompare", null);
 
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        videocompare.brightness = brightness;
 
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        videocompare.contrast = contrast;
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        pipeline.add (videocompare);
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        Element colorspace1 = ElementFactory.make ("ffmpegcolorspace", null);
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        pipeline.set_state (State.PLAYING);
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    }
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    private void on_preference_change (Config.Preferences prefs, ParamSpec pspec) {
 
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        switch (pspec.name) {
 
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        case "brightness":
 
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            this.brightness = prefs.brightness;
 
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            break;
 
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        case "contrast":
 
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            this.contrast = prefs.contrast;
 
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            break;
 
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        default:
 
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            break;
 
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        }
 
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        update_pipeline ();
 
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    }
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    private override void update_pipeline ()
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        suppresscolor2.suppress_u = ! show_u;
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        suppresscolor2.suppress_v = ! show_v;
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        videocompare.brightness = brightness;
 
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        videocompare.contrast = contrast;
 
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        advance_frames (0);
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        pipeline.set_state (state);
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    }