---
libavcodec/sunrast.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/libavcodec/sunrast.c b/libavcodec/sunrast.c
index 6da57d1..9977b85 100644
--- a/libavcodec/sunrast.c
+++ b/libavcodec/sunrast.c
@@ -23,12 +23,28 @@
#include "libavutil/imgutils.h"
#include "avcodec.h"
+/* The Old and Standard formats indicate that the image data is uncompressed.
+ * There is no difference between the two formats */
#define RT_OLD 0
#define RT_STANDARD 1
+
+/* The Byte-Encoded type indicates that the image data is compressed using a
+ * run-length encoding scheme */
#define RT_BYTE_ENCODED 2
+
+/* The RGB format indicate that the image is uncompressed with
+ * reverse component order from Old and Standard (RGB vs BGR) */
#define RT_FORMAT_RGB 3
+
+/* The TIFF and IFF format types indicate that the raster file was originally
+ * converted from either of these file formats. We do not have any samples or
+ * documentation of the format details. */
#define RT_FORMAT_TIFF 4
#define RT_FORMAT_IFF 5
+
+/* The Experimental type is implementation-specific and is generally an
+ * indication that the image file does not conform to the Sun Raster file
+ * format specification */
#define RT_EXPERIMENTAL 0xffff
typedef struct SUNRASTContext {
--
1.7.1
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