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path: root/noncore/multimedia/camera/jpegtoavi/byteswap.h
authormickeyl <mickeyl>2003-04-18 00:37:32 (UTC)
committer mickeyl <mickeyl>2003-04-18 00:37:32 (UTC)
commit81776eb70dcad6748b8494ff13fbd048c60c1fae (patch) (side-by-side diff)
tree9bb13dc582ccfd79e934ee30f6b647046b7a35c3 /noncore/multimedia/camera/jpegtoavi/byteswap.h
parent39c72eb2d35aecb3a057b347df5231d1dbfdd37c (diff)
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add jpeg2avi for postprocessing a series of jpeg frames into an avi
Diffstat (limited to 'noncore/multimedia/camera/jpegtoavi/byteswap.h') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/multimedia/camera/jpegtoavi/byteswap.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/noncore/multimedia/camera/jpegtoavi/byteswap.h b/noncore/multimedia/camera/jpegtoavi/byteswap.h
new file mode 100644
index 0000000..17ab6cc
--- a/dev/null
+++ b/noncore/multimedia/camera/jpegtoavi/byteswap.h
@@ -0,0 +1,31 @@
+#ifndef _BYTESWAP_H_
+#define _BYTESWAP_H_
+
+#include <endian.h>
+#include <sys/types.h>
+
+#ifndef BYTE_ORDER
+# error "Aiee: BYTE_ORDER not defined\n";
+#endif
+
+#define SWAP2(x) (((x>>8) & 0x00ff) |\
+ ((x<<8) & 0xff00))
+
+#define SWAP4(x) (((x>>24) & 0x000000ff) |\
+ ((x>>8) & 0x0000ff00) |\
+ ((x<<8) & 0x00ff0000) |\
+ ((x<<24) & 0xff000000))
+
+#if BYTE_ORDER==BIG_ENDIAN
+# define LILEND2(a) SWAP2((a))
+# define LILEND4(a) SWAP4((a))
+# define BIGEND2(a) (a)
+# define BIGEND4(a) (a)
+#else
+# define LILEND2(a) (a)
+# define LILEND4(a) (a)
+# define BIGEND2(a) SWAP2((a))
+# define BIGEND4(a) SWAP4((a))
+#endif
+
+#endif