Changeset 6324 in orxonox.OLD for branches/avi_play/src/lib/graphics/importer/media_container.cc

Timestamp:

Dec 27, 2005, 10:25:48 PM (20 years ago)

Author:

hdavid

Message:

branches\avi_play: MoviePlayer works, at the moment not very fast

File:

• branches/avi_play/src/lib/graphics/importer/media_container.cc (modified) (4 diffs)

branches/avi_play/src/lib/graphics/importer/media_container.cc

@@ -87 +87 @@
 }
 
-GLuint MediaContainer::getFrame(int frame_number)
+void MediaContainer::gotoFrame(int frame_number)
 {
   // seek doesnt work for the first two frames
@@ -96 +96 @@
     av_seek_frame(format_context, video_stream, 0, AVSEEK_FLAG_BACKWARD);
     frame_num = 0;
-    return this->getNextFrame();
   }
   else
@@ -117 +116 @@
   
     frame_num = frame_number;
-
-    return this->getNextFrame();
   }
 }
@@ -215 +212 @@
 }
 
-void MediaContainer::skipFrame(int num_frames)
-{
-
+GLuint MediaContainer::skipFrame(int num_frames)
+{
+  frame_num += num_frames;
+  
+  while(num_frames != 0)
+  {
+    if(av_read_frame(format_context, &packet) < 0)
+      break;
+    if(packet.stream_index == video_stream)
+    {
+      int frame_finished;
+      // We have to decode the frame to not get ugly fragments
+      avcodec_decode_video(codec_context, frame, &frame_finished,
+                            packet.data, packet.size);
+        
+      // Did we get a video frame?
+      if(frame_finished)
+        num_frames--;
+    }
+    av_free_packet(&packet);
+  }
+  
+  return this->getNextFrame();
 }