1 files changed, 149 insertions, 0 deletions
diff --git a/source/blender/avi/intern/avirgb.c b/source/blender/avi/intern/avirgb.c
new file mode 100644
index 00000000000..7a95972845a
--- /dev/null
+++ b/source/blender/avi/intern/avirgb.c
@@ -0,0 +1,149 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
+ * All rights reserved.
+ *
+ * The Original Code is: all of this file.
+ *
+ * Contributor(s): none yet.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ *
+ */
+
+/** \file blender/avi/intern/avirgb.c
+ *  \ingroup avi
+ *
+ * This is external code. Converts rgb-type avi-s.
+ */
+
+
+#include "AVI_avi.h"
+#include <stdlib.h>
+#include <string.h>
+
+#include "MEM_guardedalloc.h"
+#include "avirgb.h"
+
+/* implementation */
+
+void *avi_converter_from_avi_rgb(AviMovie *movie, int stream, unsigned char *buffer, int *size)
+{
+	int x, y, i, rowstride;
+	unsigned char *buf;
+	AviBitmapInfoHeader *bi;
+	short bits = 32;
+	
+	(void)size; /* unused */
+
+	bi = (AviBitmapInfoHeader *) movie->streams[stream].sf;
+	if (bi) bits = bi->BitCount;
+
+	if (bits == 16) {
+		unsigned short *pxl;
+		unsigned char *to;
+#ifdef __BIG_ENDIAN__
+		unsigned char  *pxla;
+#endif
+		
+		buf = MEM_mallocN(movie->header->Height * movie->header->Width * 3, "fromavirgbbuf");
+
+		y = movie->header->Height;
+		to = buf;
+				
+		while (y--) {
+			pxl = (unsigned short *) (buffer + y * movie->header->Width * 2);
+			
+#ifdef __BIG_ENDIAN__
+			pxla = (unsigned char *)pxl;
+#endif
+
+			x = movie->header->Width;
+			while (x--) {
+#ifdef __BIG_ENDIAN__
+				i = pxla[0];
+				pxla[0] = pxla[1];
+				pxla[1] = i;
+	
+				pxla += 2;
+#endif
+			
+				*(to++) = ((*pxl >> 10) & 0x1f) * 8;
+				*(to++) = ((*pxl >> 5) & 0x1f) * 8;
+				*(to++) = (*pxl & 0x1f) * 8;
+				pxl++;	
+			}
+		}
+
+		MEM_freeN(buffer);
+		
+		return buf;
+	}
+	else {
+		buf = MEM_mallocN(movie->header->Height * movie->header->Width * 3, "fromavirgbbuf");
+	
+		rowstride = movie->header->Width * 3;
+		if (bits != 16) if (movie->header->Width % 2) rowstride++;
+	
+		for (y = 0; y < movie->header->Height; y++) {
+			memcpy(&buf[y * movie->header->Width * 3], &buffer[((movie->header->Height - 1) - y) * rowstride], movie->header->Width * 3);
+		}
+	
+		for (y = 0; y < movie->header->Height * movie->header->Width * 3; y += 3) {
+			i = buf[y];
+			buf[y] = buf[y + 2];
+			buf[y + 2] = i;
+		}
+	
+		MEM_freeN(buffer);
+	
+		return buf;
+	}
+}
+
+void *avi_converter_to_avi_rgb(AviMovie *movie, int stream, unsigned char *buffer, int *size)
+{
+	int y, x, i, rowstride;
+	unsigned char *buf;
+
+	(void)stream; /* unused */
+
+	*size = movie->header->Height * movie->header->Width * 3;
+	if (movie->header->Width % 2) *size += movie->header->Height;
+	
+	buf = MEM_mallocN(*size, "toavirgbbuf");
+
+	rowstride = movie->header->Width * 3;
+	if (movie->header->Width % 2) rowstride++;
+
+	for (y = 0; y < movie->header->Height; y++) {
+		memcpy(&buf[y * rowstride], &buffer[((movie->header->Height - 1) - y) * movie->header->Width * 3], movie->header->Width * 3);
+	}
+
+	for (y = 0; y < movie->header->Height; y++) {
+		for (x = 0; x < movie->header->Width * 3; x += 3) {
+			i = buf[y * rowstride + x];
+			buf[y * rowstride + x] = buf[y * rowstride + x + 2];
+			buf[y * rowstride + x + 2] = i;
+		}
+	}
+
+	MEM_freeN(buffer);
+
+	return buf;
+}