Merge 1.0 in.

[dcpomatic.git] / src / lib / util.cc

diff --git a/src/lib/util.cc b/src/lib/util.cc
index 7e7e579a4b5ac4d20bef402c43bec455ea05021d..b8bc1fc9e467680646f924c2ab3385d195911efb 100644 (file)
--- a/src/lib/util.cc
+++ b/src/lib/util.cc
@@ -45,6 +45,7 @@
 #include <magick/MagickCore.h>
 #include <magick/version.h>
 #include <libdcp/version.h>
+#include <libdcp/util.h>
 extern "C" {
 #include <libavcodec/avcodec.h>
 #include <libavformat/avformat.h>
@@ -61,6 +62,7 @@ extern "C" {
 #include "sound_processor.h"
 #include "config.h"
 #include "ratio.h"
+#include "job.h"
 #ifdef DCPOMATIC_WINDOWS
 #include "stack.hpp"
 #endif
@@ -407,6 +409,58 @@ md5_digest (boost::filesystem::path file)
        return s.str ();
 }
 
+/** @param job Optional job for which to report progress */
+string
+md5_digest_directory (boost::filesystem::path directory, shared_ptr<Job> job)
+{
+       int const buffer_size = 64 * 1024;
+       char buffer[buffer_size];
+
+       MD5_CTX md5_context;
+       MD5_Init (&md5_context);
+
+       int files = 0;
+       if (job) {
+               for (boost::filesystem::directory_iterator i(directory); i != boost::filesystem::directory_iterator(); ++i) {
+                       ++files;
+               }
+       }
+
+       int j = 0;
+       for (boost::filesystem::directory_iterator i(directory); i != boost::filesystem::directory_iterator(); ++i) {
+               ifstream f (i->path().string().c_str(), std::ios::binary);
+               if (!f.good ()) {
+                       throw OpenFileError (i->path().string());
+               }
+       
+               f.seekg (0, std::ios::end);
+               int bytes = f.tellg ();
+               f.seekg (0, std::ios::beg);
+
+               while (bytes > 0) {
+                       int const t = min (bytes, buffer_size);
+                       f.read (buffer, t);
+                       MD5_Update (&md5_context, buffer, t);
+                       bytes -= t;
+               }
+
+               if (job) {
+                       job->set_progress (float (j) / files);
+                       ++j;
+               }
+       }
+
+       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 ();
+}
+
 static bool
 about_equal (float a, float b)
 {
@@ -704,17 +758,17 @@ FrameRateConversion::FrameRateConversion (float source, int dcp)
        change_speed = !about_equal (source * factor(), dcp);
 
        if (!skip && !repeat && !change_speed) {
-               description = _("DCP and source have the same rate.\n");
+               description = _("Content and DCP have the same rate.\n");
        } else {
                if (skip) {
-                       description = _("DCP will use every other frame of the source.\n");
+                       description = _("DCP will use every other frame of the content.\n");
                } else if (repeat) {
-                       description = _("Each source frame will be doubled in the DCP.\n");
+                       description = _("Each content frame will be doubled in the DCP.\n");
                }
 
                if (change_speed) {
                        float const pc = dcp * 100 / (source * factor());
-                       description += String::compose (_("DCP will run at %1%% of the source speed.\n"), pc);
+                       description += String::compose (_("DCP will run at %1%% of the content speed.\n"), pc);
                }
        }
 }
@@ -737,3 +791,12 @@ LocaleGuard::~LocaleGuard ()
        setlocale (LC_NUMERIC, _old);
        free (_old);
 }
+
+bool
+valid_image_file (boost::filesystem::path f)
+{
+       string ext = f.extension().string();
+       transform (ext.begin(), ext.end(), ext.begin(), ::tolower);
+       return (ext == ".tif" || ext == ".tiff" || ext == ".jpg" || ext == ".jpeg" || ext == ".png" || ext == ".bmp" || ext == ".tga");
+}
+