Add GIF support via libnsgif

Author: HaarigerHarald

.gitignore

@@ -37,6 +37,7 @@
 *.jpg
 *.png
 *.bmp
+*.gif
 
 # ilclient
 /libs

Makefile

@@ -1,7 +1,7 @@
-OBJS=omxiv.o omx_image.o omx_render.o soft_image.o ./libnsbmp/libnsbmp.o
+OBJS=omxiv.o omx_image.o omx_render.o soft_image.o ./libnsbmp/libnsbmp.o ./libnsgif/libnsgif.o
 BIN=omxiv.bin
 LDFLAGS+=-lilclient -ljpeg -lpng
-INCLUDES+=-I./libnsbmp -I./libs/ilclient
+INCLUDES+=-I./libnsbmp -I./libnsgif -I./libs/ilclient
 
 ifneq ($(CURL),0)
 LDFLAGS+= -lcurl

README.md

@@ -30,6 +30,9 @@ And install with:
 
 * ##### BMPs
   - libnsbmp
+  
+* ##### GIFs
+  - libnsgif
 
 ## Credits
 ##### Thanks to:

image_def.h

@@ -1,6 +1,38 @@
+/* Copyright (c) 2015, Benjamin Huber
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above copyright
+ *      notice, this list of conditions and the following disclaimer in the
+ *      documentation and/or other materials provided with the distribution.
+ *    * Neither the name of the copyright holder nor the
+ *      names of its contributors may be used to endorse or promote products
+ *      derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
 #ifndef IMAGEDEF_H
 #define IMAGEDEF_H
 
+#define INIT_IMAGE { 0, 0, 0, 0, 0}
+#define INIT_ANIM_IMAGE { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+
+#define destroyImage(im) free((im)->pData); (im)->pData = NULL
+
 /* Color spaces OMX-Components support */
 #define COLOR_SPACE_RGB24 0
 #define COLOR_SPACE_RGBA 1
@@ -14,7 +46,24 @@ typedef struct IMAGE{
 
 	unsigned int width;
 	unsigned int height;
-	char colorSpace; 
+	unsigned char colorSpace; 
 } IMAGE;
 
+typedef struct ANIM_IMAGE{
+	IMAGE *curFrame;
+	unsigned frameNum;
+	
+	unsigned char* imData;
+	size_t size;
+	
+	void* pExtraData;
+	int (*decodeNextFrame)(struct ANIM_IMAGE *);
+	void (*finaliseDecoding)(struct ANIM_IMAGE *);
+	
+	unsigned int frameCount;
+	unsigned int frameDelayCs;
+	int loopCount;
+
+} ANIM_IMAGE;
+
 #endif

libnsgif/COPYING

@@ -0,0 +1,20 @@
+Copyright (C) 2004 Richard Wilson
+Copyright (C) 2008 Sean Fox
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+  * The above copyright notice and this permission notice shall be included in
+    all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.