- fix build failed without defined FFMDIR

- add exif support (required libexif)

1 files changed, 183 insertions, 0 deletions

diff --git a/exif.c b/exif.c
new file mode 100644
index 0000000..7b913c7
--- /dev/null
+++ b/exif.c
@@ -0,0 +1,183 @@
+/*
+ * Image plugin to VDR (C++)
+ *
+ * (C) 2006 Andreas Brachold    <anbr at users.berlios.de>
+ *
+ * This code is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <libexif/exif-data.h>
+#include <libexif/exif-ifd.h>
+#include <libexif/exif-loader.h>
+
+#include <sstream>
+
+#include "player-image.h"
+#include "control-image.h"
+#include "exif.h"
+#include "i18n.h"
+
+static void callbackShowEntry (ExifEntry *e, void *pData)
+{
+	if (!pData)
+		return;
+
+    std::ostream* po = (std::ostream*)pData;
+
+	char v[128];
+	ExifIfd ifd = exif_entry_get_ifd (e);
+
+    (*po) <<  exif_tag_get_title_in_ifd (e->tag, ifd);
+    (*po) << ":\t";
+    (*po) << exif_entry_get_value (e, v, 59);
+    (*po) << std::endl;
+}
+
+static void callbackShowIFD (ExifContent *content, void *pData)
+{
+	exif_content_foreach_entry (content, callbackShowEntry, pData);
+}
+
+void TagList (std::ostream& o, ExifData *ed)
+{
+	if (!ed)
+		return;
+
+	exif_data_foreach_content (ed, callbackShowIFD, &o);
+}
+
+static bool MarkerNodes (std::ostream& o, ExifData *d)
+{
+	unsigned int i, c;
+	char v[1024], *p;
+	ExifMnoteData *md;
+
+	md = exif_data_get_mnote_data (d);
+	if (!md) {
+		o << tr("Could not parse exif maker note!") << std::endl;
+		exif_data_unref (d);
+		return false;
+	}
+
+	c = exif_mnote_data_count (md);
+	for (i = 0; i < c; i++) {
+		p = exif_mnote_data_get_value (md, i, v, sizeof (v));
+		if (p) 
+        { 
+    		o << exif_mnote_data_get_title (md, i);
+            o << ":\t";
+            o << v << std::endl;
+        }
+	}
+
+	return true;
+}
+
+cImageMenuExif::cImageMenuExif(const char *szFileName)
+: cOsdMenu(tr("Show exif informations from image"))
+{
+  std::ostringstream o;
+  ExifData *d;
+
+  d = exif_data_new_from_file (szFileName);
+  if (d) {
+      TagList(o, d);
+      o << std::endl;
+
+      MarkerNodes (o, d);
+      exif_data_unref (d);
+  } else
+  {
+    o << tr("Could not load exif data from image!") << std::endl;
+  }
+
+  m_strText = o.str();
+  SetHelp(NULL, NULL, NULL, tr("Back"));
+  Display();
+}
+
+
+eOSState cImageMenuExif::ProcessKey(eKeys nKey)
+{
+  switch (nKey) {
+    case kUp|k_Repeat:
+    case kUp:
+    case kDown|k_Repeat:
+    case kDown:
+    case kLeft|k_Repeat:
+    case kLeft:
+    case kRight|k_Repeat:
+    case kRight:
+                  DisplayMenu()->Scroll(NORMALKEY(nKey) == kUp || NORMALKEY(nKey) == kLeft, NORMALKEY(nKey) == kLeft || NORMALKEY(nKey) == kRight);
+                  return osContinue;
+    default: break;
+    }
+
+  eOSState nState = cOsdMenu::ProcessKey(nKey);
+  if (nState == osUnknown) {
+     switch (nKey) {
+       case kOk: 
+       case kMenu:
+       case kBack:
+       case kBlue:
+                 return osBack;
+       default:  nState = osContinue;
+       }
+     }
+  return nState;
+}
+
+void cImageMenuExif::Display(void)
+{
+  cOsdMenu::Display();
+  DisplayMenu()->SetText(m_strText.c_str(),true);
+}
+
+//////////////////////////////////////////////////////////////////////////////
+/** Handle a Key stroke on exifmenu
+@return eOSState
+@param eKeys Key - the processed Keycode
+*/
+eOSState cImageControl::ProcessKeyExif(eKeys nKey)
+{
+  if(m_pExifMenu)
+  {
+    eOSState eOSRet = m_pExifMenu->ProcessKey(nKey);
+    switch(eOSRet)
+    {
+      case osEnd:
+      case osBack:
+        delete m_pExifMenu;
+        m_pExifMenu = NULL;
+        return osContinue;
+      default:
+        return eOSRet;
+    }
+  }
+  else
+  {
+    if(!CheckAccess()) {
+      OSD_ErrorNumMsg(errno,tr("Operation failed"));
+      return osContinue;
+    }
+  
+    Hide();
+    
+    m_pExifMenu = new cImageMenuExif(FileName());
+  
+    return osContinue;
+  }
+}