From bfdcf076740287a334744f8c874c3ac4f91d4598 Mon Sep 17 00:00:00 2001
From: "William M. Brack" <wbrack@mmm.hk>
Date: Fri, 14 Mar 2008 17:33:09 +0000
Subject: [PATCH] gst/videotestsrc/videotestsrc.c: Fix Bayer pattern
 generation.

Original commit message from CVS:
Patch by: William M. Brack
* gst/videotestsrc/videotestsrc.c: Fix Bayer pattern generation.
---
 ChangeLog                       |  6 +++++
 gst/videotestsrc/videotestsrc.c | 47 ++++++++++++++++++++++++++++-----
 2 files changed, 47 insertions(+), 6 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index e788eeb8e2..3c2b86bdcb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-03-14  David Schleef  <ds@schleef.org>
+
+	Patch by: William M. Brack
+
+	* gst/videotestsrc/videotestsrc.c: Fix Bayer pattern generation.
+
 2008-03-14  Wim Taymans  <wim.taymans@collabora.co.uk>
 
 	* gst/playback/gststreamselector.c: (gst_selector_pad_event),
diff --git a/gst/videotestsrc/videotestsrc.c b/gst/videotestsrc/videotestsrc.c
index bf70a8b267..2becd0b3f3 100644
--- a/gst/videotestsrc/videotestsrc.c
+++ b/gst/videotestsrc/videotestsrc.c
@@ -304,7 +304,10 @@ static void paint_hline_str3 (paintinfo * p, int x, int y, int w);
 static void paint_hline_RGB565 (paintinfo * p, int x, int y, int w);
 static void paint_hline_xRGB1555 (paintinfo * p, int x, int y, int w);
 
-static void paint_hline_bayer (paintinfo * p, int x, int y, int w);
+#if 0
+static void paint_hline_bayer_GRBG (paintinfo * p, int x, int y, int w);
+#endif
+static void paint_hline_bayer_BGGR (paintinfo * p, int x, int y, int w);
 
 struct fourcc_list_struct fourcc_list[] = {
 /* packed */
@@ -390,7 +393,11 @@ struct fourcc_list_struct fourcc_list[] = {
         15,
       0x00007c00, 0x000003e0, 0x0000001f},
 
-  {VTS_BAYER, "BAY8", "Bayer", 8, paint_setup_bayer, paint_hline_bayer}
+  /* Need to know if this is correct */
+#if 0
+  {VTS_BAYER, "BAY8", "BayerRGGB", 8, paint_setup_bayer, paint_hline_bayer_GRBG}
+#endif
+  {VTS_BAYER, "BA81", "BayerBGGR", 8, paint_setup_bayer, paint_hline_bayer_BGGR}
 };
 int n_fourccs = G_N_ELEMENTS (fourcc_list);
 
@@ -1467,16 +1474,17 @@ paint_setup_bayer (paintinfo * p, unsigned char *dest)
   p->endptr = p->dest + p->ystride * p->height;
 }
 
+#if 0
 static void
-paint_hline_bayer (paintinfo * p, int x, int y, int w)
+paint_hline_bayer_GRBG (paintinfo * p, int x, int y, int w)
 {
   int offset = y * p->ystride;
   uint8_t *dest = p->yp + offset;
   int i;
 
-  if (y & 1) {
+  if ((y & 1) == 0) {
     for (i = x; i < x + w; i++) {
-      if (i & 1) {
+      if ((i & 1) == 0) {
         dest[i] = p->color->G;
       } else {
         dest[i] = p->color->B;
@@ -1484,7 +1492,7 @@ paint_hline_bayer (paintinfo * p, int x, int y, int w)
     }
   } else {
     for (i = x; i < x + w; i++) {
-      if (i & 1) {
+      if ((i & 1) == 0) {
         dest[i] = p->color->R;
       } else {
         dest[i] = p->color->G;
@@ -1492,3 +1500,30 @@ paint_hline_bayer (paintinfo * p, int x, int y, int w)
     }
   }
 }
+#endif
+
+static void
+paint_hline_bayer_BGGR (paintinfo * p, int x, int y, int w)
+{
+  int offset = y * p->ystride;
+  uint8_t *dest = p->yp + offset;
+  int i;
+
+  if ((y & 1) == 0) {
+    for (i = x; i < x + w; i++) {
+      if ((i & 1) == 0) {
+        dest[i] = p->color->B;
+      } else {
+        dest[i] = p->color->G;
+      }
+    }
+  } else {
+    for (i = x; i < x + w; i++) {
+      if ((i & 1) == 0) {
+        dest[i] = p->color->G;
+      } else {
+        dest[i] = p->color->R;
+      }
+    }
+  }
+}