From 35e1987b602486028573eb697d68e5ce3c3f46bc Mon Sep 17 00:00:00 2001
From: Wim Taymans <wim.taymans@gmail.com>
Date: Fri, 18 Jan 2002 18:41:58 +0000
Subject: Fix the "64 colors flx too dark" bug.

Original commit message from CVS:
Fix the "64 colors flx too dark" bug.
---
 gst/flx/flx_color.c | 25 +++++++++++++++++++------
 gst/flx/flx_color.h |  4 ++--
 gst/flx/gstflxdec.c | 18 +++++++++++-------
 3 files changed, 32 insertions(+), 15 deletions(-)

(limited to 'gst')

diff --git a/gst/flx/flx_color.c b/gst/flx/flx_color.c
index c61052d0..8b505c9d 100644
--- a/gst/flx/flx_color.c
+++ b/gst/flx/flx_color.c
@@ -66,7 +66,7 @@ flx_colorspace_convert(FlxColorSpaceConverter *flxpal, guchar *src, guchar *dest
 
 
 void 
-flx_set_palette_vector(FlxColorSpaceConverter *flxpal, guint start, guint num, guchar *newpal)
+flx_set_palette_vector(FlxColorSpaceConverter *flxpal, guint start, guint num, guchar *newpal, gint scale)
 {
   guint  grab;
   
@@ -75,20 +75,33 @@ flx_set_palette_vector(FlxColorSpaceConverter *flxpal, guint start, guint num, g
 
   grab = ((start + num) > 0x100 ? 0x100 - start : num);
 
-  memcpy(&flxpal->palvec[start * 3], newpal, grab*3);
+  if (scale) {
+    gint i = 0;
+
+    start *= 3;
+    while (grab) {
+      flxpal->palvec[start++] = newpal[i++] << scale;
+      flxpal->palvec[start++] = newpal[i++] << scale;
+      flxpal->palvec[start++] = newpal[i++] << scale;
+      grab--;
+    }
+  }
+  else {
+    memcpy(&flxpal->palvec[start * 3], newpal, grab * 3);
+  }
 
 }
 
 void
-flx_set_color(FlxColorSpaceConverter *flxpal, guint colr, guint red, guint green, guint blue)
+flx_set_color(FlxColorSpaceConverter *flxpal, guint colr, guint red, guint green, guint blue, gint scale)
 {
   
   g_return_if_fail(flxpal != NULL);
   g_return_if_fail(colr < 0x100);
 
-  flxpal->palvec[(colr * 3)]     = red;
-  flxpal->palvec[(colr * 3) + 1] = green;
-  flxpal->palvec[(colr * 3) + 2] = blue;
+  flxpal->palvec[(colr * 3)]     = red << scale;
+  flxpal->palvec[(colr * 3) + 1] = green << scale;
+  flxpal->palvec[(colr * 3) + 2] = blue << scale;
 }
 
 
diff --git a/gst/flx/flx_color.h b/gst/flx/flx_color.h
index 5676c878..022e54d6 100644
--- a/gst/flx/flx_color.h
+++ b/gst/flx/flx_color.h
@@ -37,7 +37,7 @@ void flx_colorspace_convert(FlxColorSpaceConverter *flxpal, guchar *src, guchar
 FlxColorSpaceConverter * flx_colorspace_converter_new(gint width, gint height);
 
 void flx_set_palette_vector(FlxColorSpaceConverter *flxpal, guint start, guint num, 
-          guchar *newpal);
+          guchar *newpal, gint scale);
 void flx_set_color(FlxColorSpaceConverter *flxpal, guint colr, guint red, guint green,
-          guint blue);
+          guint blue, gint scale);
 
diff --git a/gst/flx/gstflxdec.c b/gst/flx/gstflxdec.c
index 95e55cc6..b679fa48 100644
--- a/gst/flx/gstflxdec.c
+++ b/gst/flx/gstflxdec.c
@@ -98,10 +98,10 @@ static void	gst_flxdec_set_property	(GObject *object, guint prop_id, const GValu
 static void	gst_flxdec_get_property	(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
 
 
-static void flx_decode_color(GstFlxDec *, guchar *, guchar *);
-static void flx_decode_brun(GstFlxDec *, guchar *, guchar *);
-static void flx_decode_delta_fli(GstFlxDec *, guchar *, guchar *);
-static void flx_decode_delta_flc(GstFlxDec *, guchar *, guchar *);
+static void 	flx_decode_color	(GstFlxDec *, guchar *, guchar *, gint);
+static void 	flx_decode_brun		(GstFlxDec *, guchar *, guchar *);
+static void 	flx_decode_delta_fli	(GstFlxDec *, guchar *, guchar *);
+static void 	flx_decode_delta_flc	(GstFlxDec *, guchar *, guchar *);
 
 #define rndalign(off) ((off) + ((off) % 2))
 
@@ -200,8 +200,12 @@ flx_decode_chunks (GstFlxDec *flxdec , gulong count, gchar *data, gchar *dest)
     switch(hdr->id) 
     {
       case FLX_COLOR64:
+        flx_decode_color(flxdec, data, dest, 2);
+        data += rndalign(hdr->size) - FlxFrameChunkSize;
+        break;
+
       case FLX_COLOR256:
-        flx_decode_color(flxdec, data, dest);
+        flx_decode_color(flxdec, data, dest, 0);
         data += rndalign(hdr->size) - FlxFrameChunkSize;
         break;
 
@@ -240,7 +244,7 @@ flx_decode_chunks (GstFlxDec *flxdec , gulong count, gchar *data, gchar *dest)
 
 
 static void
-flx_decode_color(GstFlxDec *flxdec, guchar *data, guchar *dest)
+flx_decode_color(GstFlxDec *flxdec, guchar *data, guchar *dest, gint scale)
 {
   guint packs, count, indx;
 
@@ -262,7 +266,7 @@ flx_decode_color(GstFlxDec *flxdec, guchar *data, guchar *dest)
       count = 256;
 
     g_print("GstFlxDec: cmap count: %d (indx: %d)\n", count, indx);
-    flx_set_palette_vector(flxdec->converter, indx, count, data);
+    flx_set_palette_vector(flxdec->converter, indx, count, data, scale);
 
     data += (count * 3);
   }
-- 
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