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/*
* Copyright (C) 2005-2009 Team XBMC
* http://www.xbmc.org
*
* 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 2, 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 XBMC; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#include <sys/stat.h>
#include "XBTFReader.h"
#include "EndianSwap.h"
#include "CharsetConverter.h"
#ifdef _WIN32
#include "FileSystem/SpecialProtocol.h"
#include "PlatformDefs.h" //for PRIdS, PRId64
#endif
#define READ_STR(str, size, file) fread(str, size, 1, file)
#define READ_U32(i, file) fread(&i, 4, 1, file); i = Endian_SwapLE32(i);
#define READ_U64(i, file) fread(&i, 8, 1, file); i = Endian_SwapLE64(i);
CXBTFReader::CXBTFReader()
{
m_file = NULL;
}
bool CXBTFReader::IsOpen() const
{
return m_file != NULL;
}
bool CXBTFReader::Open(const CStdString& fileName)
{
m_fileName = fileName;
#ifdef _WIN32
CStdStringW strPathW;
g_charsetConverter.utf8ToW(_P(m_fileName), strPathW, false);
m_file = _wfopen(strPathW.c_str(), L"rb");
#else
m_file = fopen(m_fileName.c_str(), "rb");
#endif
if (m_file == NULL)
{
return false;
}
char magic[4];
READ_STR(magic, 4, m_file);
if (strncmp(magic, XBTF_MAGIC, sizeof(magic)) != 0)
{
return false;
}
char version[1];
READ_STR(version, 1, m_file);
if (strncmp(version, XBTF_VERSION, sizeof(version)) != 0)
{
return false;
}
unsigned int nofFiles;
READ_U32(nofFiles, m_file);
for (unsigned int i = 0; i < nofFiles; i++)
{
CXBTFFile file;
unsigned int u32;
uint64_t u64;
READ_STR(file.GetPath(), 256, m_file);
READ_U32(u32, m_file);
file.SetLoop(u32);
unsigned int nofFrames;
READ_U32(nofFrames, m_file);
for (unsigned int j = 0; j < nofFrames; j++)
{
CXBTFFrame frame;
READ_U32(u32, m_file);
frame.SetWidth(u32);
READ_U32(u32, m_file);
frame.SetHeight(u32);
READ_U32(u32, m_file);
frame.SetFormat(u32);
READ_U64(u64, m_file);
frame.SetPackedSize(u64);
READ_U64(u64, m_file);
frame.SetUnpackedSize(u64);
READ_U32(u32, m_file);
frame.SetDuration(u32);
READ_U64(u64, m_file);
frame.SetOffset(u64);
file.GetFrames().push_back(frame);
}
m_xbtf.GetFiles().push_back(file);
m_filesMap[file.GetPath()] = file;
}
// Sanity check
int64_t pos = ftell(m_file);
if (pos != (int64_t)m_xbtf.GetHeaderSize())
{
printf("Expected header size (%"PRId64") != actual size (%"PRId64")\n", m_xbtf.GetHeaderSize(), pos);
return false;
}
return true;
}
void CXBTFReader::Close()
{
if (m_file)
{
fclose(m_file);
m_file = NULL;
}
m_xbtf.GetFiles().clear();
m_filesMap.clear();
}
time_t CXBTFReader::GetLastModificationTimestamp()
{
if (!m_file)
{
return 0;
}
struct stat fileStat;
if (fstat(fileno(m_file), &fileStat) == -1)
{
return 0;
}
return fileStat.st_mtime;
}
bool CXBTFReader::Exists(const CStdString& name)
{
return Find(name) != NULL;
}
CXBTFFile* CXBTFReader::Find(const CStdString& name)
{
std::map<CStdString, CXBTFFile>::iterator iter = m_filesMap.find(name);
if (iter == m_filesMap.end())
{
return NULL;
}
return &(iter->second);
}
bool CXBTFReader::Load(const CXBTFFrame& frame, unsigned char* buffer)
{
if (!m_file)
{
return false;
}
#if defined(__APPLE__)
if (fseeko(m_file, (off_t)frame.GetOffset(), SEEK_SET) == -1)
#else
if (fseeko64(m_file, (off_t)frame.GetOffset(), SEEK_SET) == -1)
#endif
{
return false;
}
if (fread(buffer, 1, (size_t)frame.GetPackedSize(), m_file) != frame.GetPackedSize())
{
return false;
}
return true;
}
std::vector<CXBTFFile>& CXBTFReader::GetFiles()
{
return m_xbtf.GetFiles();
}
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