adding LibAV/FFMpeg dynamic version getter

MarcAntoine-Arnaud · MarcAntoine-Arnaud · commit df00ae91d704 · 2014-04-16T05:19:01.000-04:00
diff --git a/app/SConscript b/app/SConscript
@@ -33,7 +33,20 @@ avtransform = env.Program(
                 ]
         )
 
+avinfo = env.Program(
+        'avinfo',
+        Glob( 'avInfo/*.cpp' ),
+        LIBS = [
+                sAvTranscoder,
+                'avutil',
+                'avformat',
+                'avcodec',
+                'swscale',
+                ]
+        )
+
 env.Depends( avmeta, sAvTranscoder )
+env.Depends( avinfo, sAvTranscoder )
 
 env.Alias( "install", env.Install(os.path.join( installPrefix, "bin" ), avmeta ) )
 env.Alias( "install", env.Install(os.path.join( installPrefix, "bin" ), avtransform ) )
diff --git a/app/avInfo/avInfo.cpp b/app/avInfo/avInfo.cpp
@@ -0,0 +1,12 @@
+#include <iostream>
+#include <iomanip>
+
+#include <AvTranscoder/Description.hpp>
+
+int main( int argc, char** argv )
+{
+	// std::cout << "avinfo" << std::endl;
+	std::vector<std::string> inputExtension  = getInputExtensions();
+	std::vector<std::string> outputExtension = getOutputExtensions();
+	return 0;
+}
diff --git a/src/AvTranscoder/Description.hpp b/src/AvTranscoder/Description.hpp
@@ -0,0 +1,61 @@
+#ifndef _AV_TRANSCODER_DESCRIPTION_HPP_
+#define _AV_TRANSCODER_DESCRIPTION_HPP_
+
+extern "C" {
+#ifndef __STDC_CONSTANT_MACROS
+    #define __STDC_CONSTANT_MACROS
+#endif
+#include <libavformat/avformat.h>
+#include <libavutil/avstring.h>
+}
+
+#include <vector>
+
+std::vector<size_t> getVersion()
+{
+	std::vector<size_t> version;
+	version.push_back( 0 );
+	version.push_back( 0 );
+	version.push_back( 0 );
+	// avutil_version
+	// avutil_license
+	return version;
+}
+
+std::vector<std::string> getInputExtensions()
+{
+	av_register_all();  // Warning: should be called only once
+	std::vector<std::string> extensions;
+	AVInputFormat* iFormat = av_iformat_next( NULL );
+	while( iFormat != NULL )
+	{
+		if( iFormat->extensions != NULL )
+		{
+			const char* exts = iFormat->extensions;
+			while( 1 )
+			{
+				char* saveptr = NULL;
+				char* ext = av_strtok( const_cast<char*>( exts ), ",", &saveptr );
+				if( ! ext || ! saveptr )
+				{
+					break;
+				}
+				extensions.push_back( std::string( ext ) );
+			}
+		}
+		iFormat = av_iformat_next( iFormat );
+	}
+	return extensions;
+}
+
+std::vector<std::string> getOutputExtensions()
+{
+	std::vector<std::string> extensions;
+
+	return extensions;
+}
+
+
+
+#endif
+
