decoder source documentation and license boilerplate

app/decoder/probeserver.cpp

@@ -1,7 +1,28 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program 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 3 of the License, or
+  (at your option) any later version.
+
+  This program 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, see <http://www.gnu.org/licenses/>.
+
+***/
+
 #include "probeserver.h"
 
 #include <QApplication>
 #include <QDebug>
+#include <QFileInfo>
 
 #include "decoder/ffmpeg/ffmpegdecoder.h"
 
@@ -13,11 +34,31 @@ bool olive::ProbeMedia(Footage *f)
     return false;
   }
 
+  // Check file exists
+  if (!QFileInfo::exists(f->filename())) {
+    qWarning() << QCoreApplication::translate("ProbeMedia", "Tried to probe file that doesn't exist");
+    return false;
+  }
+
+  // Reset Footage state for probing
+  f->Clear();
+
+  // Create decoder instance
   FFmpegDecoder ff_dec;
 
-  // Pass footage through FFmpeg's probe function
-  if (ff_dec.Probe(f)) {
-    return true;
+  // Create list to iterate through
+  QList<Decoder*> decoder_list;
+  decoder_list.append(&ff_dec);
+
+  // Pass Footage through each Decoder's probe function
+  for (int i=0;i<decoder_list.size();i++) {
+    if (decoder_list.at(i)->Probe(f)) {
+
+      // TODO Some way of "attaching" the Footage to the Decoder without having to iterate through Decoders like this
+
+      f->set_ready(true);
+      return true;
+    }
   }
 
   return false;