2.8 branch: This adds the new ffmpeh plugin, up to a point. Further changes look messy, but will try to merge them. Revisions merged in this commit: 9816-9818, 9826-9827, 9837-9843, 9847, 9850, 9854, 9856-9857, 9860-9861, 9865, 9869, and 9885.

src/osgPlugins/ffmpeg/ReaderWriterFFmpeg.cpp

@@ -0,0 +1,94 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
+ *
+ * This library is open source and may be redistributed and/or modified under  
+ * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
+ * (at your option) any later version.  The full license is in LICENSE file
+ * included with this distribution, and on the openscenegraph.org website.
+ * 
+ * This library 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 
+ * OpenSceneGraph Public License for more details.
+*/
+
+#include <osgDB/Registry>
+#include <osgDB/FileNameUtils>
+#include <osgDB/FileUtils>
+
+#include "FFmpegHeaders.hpp"
+#include "FFmpegImageStream.hpp"
+
+
+
+/** Implementation heavily inspired by http://www.dranger.com/ffmpeg/ */
+
+class ReaderWriterFFmpeg : public osgDB::ReaderWriter
+{
+public:
+
+    ReaderWriterFFmpeg()
+    {
+        supportsProtocol("http","Read video/audio from http using ffmpeg.");
+
+        supportsExtension("avi", "");
+        supportsExtension("flv", "");
+        supportsExtension("mov", "");
+        supportsExtension("ogg", "Theora movie format");
+        supportsExtension("mpg", "Mpeg movie format");
+        supportsExtension("mpv", "Mpeg movie format");
+        supportsExtension("wmv", "");
+
+        // Register all FFmpeg formats/codecs
+        av_register_all();
+    }
+
+    virtual ~ReaderWriterFFmpeg()
+    {
+
+    }
+
+    virtual const char * className() const
+    {
+        return "ReaderWriterFFmpeg";
+    }
+
+    virtual ReadResult readImage(const std::string & filename, const osgDB::ReaderWriter::Options * options) const
+    {
+        if (filename.compare(0, 5, "/dev/")==0)
+        {
+            return readImageStream(filename, options);
+        }
+    
+        const std::string ext = osgDB::getLowerCaseFileExtension(filename);
+        if (! acceptsExtension(ext))
+            return ReadResult::FILE_NOT_HANDLED;
+
+        const std::string path = osgDB::containsServerAddress(filename) ?
+            filename :
+            osgDB::findDataFile(filename, options);
+
+        if (path.empty())
+            return ReadResult::FILE_NOT_FOUND;
+
+        return readImageStream(filename, options);
+    }
+    
+    ReadResult readImageStream(const std::string& filename, const osgDB::ReaderWriter::Options * options) const
+    {
+        osg::notify(osg::INFO) << "ReaderWriterFFmpeg::readImage " << filename << std::endl;
+
+        osg::ref_ptr<osgFFmpeg::FFmpegImageStream> image_stream(new osgFFmpeg::FFmpegImageStream);
+
+        if (! image_stream->open(filename))
+            return ReadResult::FILE_NOT_HANDLED;
+
+        return image_stream.release();
+    }
+
+private:
+
+};
+
+
+
+REGISTER_OSGPLUGIN(ffmpeg, ReaderWriterFFmpeg)