Added a goom plugin (goom.sourceforge.net) to test: ./gst-launch filesrc location=/opt/data/south.mp3 ! mad ! tee sil...

Original commit message from CVS:
Added a goom plugin (goom.sourceforge.net)

to test:
./gst-launch filesrc location=/opt/data/south.mp3 ! mad ! tee silent=true src%d! goom ! colorspace ! xvideosink  tee0.src%d! osssink

1 files changed, 90 insertions, 0 deletions

diff --git a/gst/goom/lines.c b/gst/goom/lines.c
new file mode 100644
index 000000000..fbab8b1c7
--- /dev/null
+++ b/gst/goom/lines.c
@@ -0,0 +1,90 @@
+/*
+ *  lines.c
+ *  iTunesXPlugIn
+ *
+ *  Created by guillaum on Tue Aug 14 2001.
+ *  Copyright (c) 2001 __CompanyName__. All rights reserved.
+ *
+ */
+
+#include "lines.h"
+#include <math.h>
+
+extern unsigned int resolx,resoly;
+
+inline unsigned char  lighten(unsigned char value,unsigned char power)
+{
+    unsigned char i;
+    for (i=0;i < power; i++) value += (255-value)/5;
+    return value;
+}
+
+void goom_lines(gint16 data [2][512], unsigned int ID,unsigned int* p, guint32 power)
+{
+    guint32 color1;
+    guint32 color2;
+    unsigned char * color = 1 + (unsigned char *) &color1;
+
+    switch (ID)
+    {
+        case 0: // Horizontal stereo lines
+        {
+            color1 = 0x0000AA00;
+            color2 = 0x00AA0000;
+            break;
+        }
+
+        case 1: // Stereo circles
+        {
+            color1 = 0x00AA33DD;
+            color2 = 0x00AA33DD;
+            break;
+        }
+    }
+    *color = lighten(*color,power);
+    color++;  
+    * color = lighten(*color,power);
+    color++;  
+    * color = lighten(*color,power);
+    color = 1 + (unsigned char *) &color2;
+    * color = lighten(*color,power);
+    color++;  
+    * color = lighten(*color,power);
+    color++;  
+    * color = lighten(*color,power);
+    
+    switch (ID)
+    {
+        case 0: // Horizontal stereo lines
+        {
+            unsigned int i;
+            for (i=0;i<512;i++)
+            {
+                guint32 plot ;
+                plot = i * resolx / 512 + (resoly / 4 + data[0][i] / 1600) * resolx;
+                p[plot] = color1;
+                p[plot+1] = color1;
+                plot = i * resolx / 512 + (resoly * 3 / 4 - data[1][i] / 1600) * resolx;
+                p[plot] = color2;
+                p[plot+1] = color2;
+            }
+            break;
+        }
+
+        case 1: // Stereo circles
+        {
+            float z;
+            unsigned int monX = resolx/2;
+            float monY = resoly/4;
+            float monY2 = resoly/2;
+            for (z=0;z<6.2832f; z+=1.0f/monY)
+            {
+               // float offset1 = 128+data[1][(unsigned int)(z*81.33f)])/200000;
+                p[ monX + (unsigned int)( (monY + ((float)resoly) * (128+data[1][(unsigned int)(z*81.33f)])/200000) * cos (z) + resolx * (unsigned int)( monY2 + (monY + ((float)resoly)*(128+data[1][(unsigned int)(z*81.33f)])/400000) * sin (z)))] = color1;
+                p[ monX + (unsigned int)((monY - ((float)resoly) * (128+data[0][(unsigned int)(z*81.33f)])/200000) * cos (z) + resolx * (unsigned int)( monY2 + (monY - ((float)resoly)*(128+data[0][(unsigned int)(z*81.33f)])/400000) * sin (z)))] = color2;
+            }
+        break;
+        }
+    }
+}
+