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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "DVDInputStreamFile.h"
#include "filesystem/File.h"
#include "filesystem/IFile.h"
#include "utils/URIUtils.h"
#include "utils/log.h"
#include "video/VideoFileItemClassify.h"
using namespace KODI;
using namespace XFILE;
CDVDInputStreamFile::CDVDInputStreamFile(const CFileItem& fileitem, unsigned int flags)
: CDVDInputStream(DVDSTREAM_TYPE_FILE, fileitem), m_flags(flags)
{
m_pFile = NULL;
m_eof = true;
}
CDVDInputStreamFile::~CDVDInputStreamFile()
{
Close();
}
bool CDVDInputStreamFile::IsEOF()
{
return !m_pFile || m_eof;
}
bool CDVDInputStreamFile::Open()
{
if (!CDVDInputStream::Open())
return false;
m_pFile = new CFile();
if (!m_pFile)
return false;
unsigned int flags = m_flags;
// If this file is audio and/or video (= not a subtitle) flag to caller
if (!VIDEO::IsSubtitle(m_item))
flags |= READ_AUDIO_VIDEO;
else
flags |= READ_NO_BUFFER; // disable CFileStreamBuffer for subtitles
std::string content = m_item.GetMimeType();
if (content == "video/mp4" ||
content == "video/x-msvideo" ||
content == "video/avi" ||
content == "video/x-matroska" ||
content == "video/x-matroska-3d")
flags |= READ_MULTI_STREAM;
// open file in binary mode
if (!m_pFile->Open(m_item.GetDynPath(), flags))
{
delete m_pFile;
m_pFile = NULL;
return false;
}
if (m_pFile->GetImplementation() && (content.empty() || content == "application/octet-stream"))
m_content = m_pFile->GetImplementation()->GetProperty(XFILE::FILE_PROPERTY_CONTENT_TYPE);
m_eof = false;
return true;
}
// close file and reset everything
void CDVDInputStreamFile::Close()
{
if (m_pFile)
{
m_pFile->Close();
delete m_pFile;
}
CDVDInputStream::Close();
m_pFile = NULL;
m_eof = true;
}
int CDVDInputStreamFile::Read(uint8_t* buf, int buf_size)
{
if(!m_pFile) return -1;
ssize_t ret = m_pFile->Read(buf, buf_size);
if (ret < 0)
return -1; // player will retry read in case of error until playback is stopped
/* we currently don't support non completing reads */
if (ret == 0)
m_eof = true;
return (int)ret;
}
int64_t CDVDInputStreamFile::Seek(int64_t offset, int whence)
{
if(!m_pFile) return -1;
if(whence == SEEK_POSSIBLE)
return m_pFile->IoControl(IOCTRL_SEEK_POSSIBLE, NULL);
int64_t ret = m_pFile->Seek(offset, whence);
/* if we succeed, we are not eof anymore */
if( ret >= 0 ) m_eof = false;
return ret;
}
int64_t CDVDInputStreamFile::GetLength()
{
if (m_pFile)
return m_pFile->GetLength();
return 0;
}
bool CDVDInputStreamFile::GetCacheStatus(XFILE::SCacheStatus *status)
{
if(m_pFile && m_pFile->IoControl(IOCTRL_CACHE_STATUS, status) >= 0)
return true;
else
return false;
}
BitstreamStats CDVDInputStreamFile::GetBitstreamStats() const
{
if (!m_pFile)
return m_stats; // dummy return. defined in CDVDInputStream
if(m_pFile->GetBitstreamStats())
return *m_pFile->GetBitstreamStats();
else
return m_stats;
}
// Use value returned by filesystem if is > 1
// otherwise defaults to 64K
int CDVDInputStreamFile::GetBlockSize()
{
int chunk = 0;
if (m_pFile)
chunk = m_pFile->GetChunkSize();
return ((chunk > 1) ? chunk : 64 * 1024);
}
void CDVDInputStreamFile::SetReadRate(uint32_t rate)
{
// Increase requested rate by 10%:
uint32_t maxrate = static_cast<uint32_t>(1.1 * rate);
if(m_pFile->IoControl(IOCTRL_CACHE_SETRATE, &maxrate) >= 0)
CLog::Log(LOGDEBUG,
"CDVDInputStreamFile::SetReadRate - set cache throttle rate to {} bytes per second",
maxrate);
}
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