1 files changed, 128 insertions, 0 deletions
diff --git a/drivers/theoraplayer/src/TheoraDataSource.cpp b/drivers/theoraplayer/src/TheoraDataSource.cpp
new file mode 100644
index 0000000000..6011dc6783
--- /dev/null
+++ b/drivers/theoraplayer/src/TheoraDataSource.cpp
@@ -0,0 +1,128 @@
+/************************************************************************************
+This source file is part of the Theora Video Playback Library
+For latest info, see http://libtheoraplayer.googlecode.com
+*************************************************************************************
+Copyright (c) 2008-2014 Kresimir Spes (kspes@cateia.com)
+This program is free software; you can redistribute it and/or modify it under
+the terms of the BSD license: http://opensource.org/licenses/BSD-3-Clause
+*************************************************************************************/
+#include <stdio.h>
+#include <memory.h>
+#include "TheoraDataSource.h"
+#include "TheoraException.h"
+#include "TheoraVideoManager.h"
+#include "TheoraUtil.h"
+
+TheoraDataSource::~TheoraDataSource()
+{
+
+}
+
+TheoraFileDataSource::TheoraFileDataSource(std::string filename)
+{
+	mFilename = filename;
+	mFilePtr = NULL;
+}
+
+TheoraFileDataSource::~TheoraFileDataSource()
+{
+	if (mFilePtr)
+	{
+		fclose(mFilePtr);
+		mFilePtr = NULL;
+	}
+}
+
+void TheoraFileDataSource::openFile()
+{
+	if (mFilePtr == NULL)
+	{
+		mFilePtr=fopen(mFilename.c_str(), "rb");
+		if (!mFilePtr)
+        {
+            std::string msg = "Can't open video file: " + mFilename;
+            th_writelog(msg);
+            throw TheoraGenericException(msg);
+        }
+		fseek(mFilePtr, 0, SEEK_END);
+		mSize = ftell(mFilePtr);
+		fseek(mFilePtr, 0, SEEK_SET);
+	}
+}
+
+int TheoraFileDataSource::read(void* output, int nBytes)
+{
+	if (mFilePtr == NULL) openFile();
+	size_t n = fread(output, 1, nBytes, mFilePtr);
+	return (int) n;
+}
+
+void TheoraFileDataSource::seek(unsigned long byte_index)
+{
+	if (mFilePtr == NULL) openFile();
+	fseek(mFilePtr, byte_index, SEEK_SET);
+}
+
+unsigned long TheoraFileDataSource::size()
+{
+	if (mFilePtr == NULL) openFile();
+	return mSize;
+}
+
+unsigned long TheoraFileDataSource::tell()
+{
+	if (mFilePtr == NULL) return 0;
+	return ftell(mFilePtr);
+}
+
+TheoraMemoryFileDataSource::TheoraMemoryFileDataSource(std::string filename) :
+	mReadPointer(0),
+	mData(0)
+{
+	mFilename=filename;
+	FILE* f=fopen(filename.c_str(),"rb");
+	if (!f) throw TheoraGenericException("Can't open video file: "+filename);
+	fseek(f,0,SEEK_END);
+	mSize=ftell(f);
+	fseek(f,0,SEEK_SET);
+	mData=new unsigned char[mSize];
+	fread(mData,1,mSize,f);
+	fclose(f);
+}
+
+TheoraMemoryFileDataSource::TheoraMemoryFileDataSource(unsigned char* data, long size, const std::string& filename)
+{
+	mFilename = filename;
+	mData = data;
+	mSize = size;
+	mReadPointer = 0;
+}
+
+TheoraMemoryFileDataSource::~TheoraMemoryFileDataSource()
+{
+	if (mData) delete [] mData;
+}
+
+int TheoraMemoryFileDataSource::read(void* output, int nBytes)
+{
+	int n = (int) ((mReadPointer+nBytes <= mSize) ? nBytes : mSize - mReadPointer);
+	if (!n) return 0;
+	memcpy(output, mData + mReadPointer, n);
+	mReadPointer += n;
+	return n;
+}
+
+void TheoraMemoryFileDataSource::seek(unsigned long byte_index)
+{
+	mReadPointer=byte_index;
+}
+
+unsigned long TheoraMemoryFileDataSource::size()
+{
+	return mSize;
+}
+
+unsigned long TheoraMemoryFileDataSource::tell()
+{
+	return mReadPointer;
+}