*/
#include <iostream>
+#include <openssl/md5.h>
extern "C" {
#include <libswscale/swscale.h>
#include <libavutil/pixfmt.h>
using std::cout;
using std::cerr;
using std::list;
+using std::stringstream;
using boost::shared_ptr;
using dcp::Size;
return PositionImage (merged, all.position ());
}
+
+string
+Image::digest () const
+{
+ MD5_CTX md5_context;
+ MD5_Init (&md5_context);
+
+ for (int i = 0; i < components(); ++i) {
+ MD5_Update (&md5_context, data()[i], line_size()[i]);
+ }
+
+ unsigned char digest[MD5_DIGEST_LENGTH];
+ MD5_Final (digest, &md5_context);
+
+ stringstream s;
+ for (int i = 0; i < MD5_DIGEST_LENGTH; ++i) {
+ s << std::hex << std::setfill('0') << std::setw(2) << ((int) digest[i]);
+ }
+
+ return s.str ();
+}