/xbmc/cores/dvdplayer/DVDInputStreams/DVDInputStreamFile.cpp
http://github.com/xbmc/xbmc · C++ · 161 lines · 107 code · 31 blank · 23 comment · 32 complexity · e6f711f0343e2d959e5357be20fcf384 MD5 · raw file
- /*
- * Copyright (C) 2005-2013 Team XBMC
- * http://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, see
- * <http://www.gnu.org/licenses/>.
- *
- */
- #include "DVDInputStreamFile.h"
- #include "filesystem/File.h"
- #include "filesystem/IFile.h"
- #include "settings/AdvancedSettings.h"
- #include "utils/log.h"
- #include "utils/URIUtils.h"
- using namespace XFILE;
- CDVDInputStreamFile::CDVDInputStreamFile() : CDVDInputStream(DVDSTREAM_TYPE_FILE)
- {
- m_pFile = NULL;
- m_eof = true;
- }
- CDVDInputStreamFile::~CDVDInputStreamFile()
- {
- Close();
- }
- bool CDVDInputStreamFile::IsEOF()
- {
- return !m_pFile || m_eof;
- }
- bool CDVDInputStreamFile::Open(const char* strFile, const std::string& content)
- {
- if (!CDVDInputStream::Open(strFile, content))
- return false;
- m_pFile = new CFile();
- if (!m_pFile)
- return false;
- unsigned int flags = READ_TRUNCATED | READ_BITRATE | READ_CHUNKED;
- if ( g_advancedSettings.m_alwaysForceBuffer &&
- !URIUtils::IsOnDVD(strFile) &&
- !URIUtils::IsBluray(strFile) )
- flags |= READ_CACHED;
- if (content == "video/mp4" || content == "video/x-msvideo" || content == "video/avi")
- flags |= READ_MULTI_STREAM;
- // open file in binary mode
- if (!m_pFile->Open(strFile, flags))
- {
- delete m_pFile;
- m_pFile = NULL;
- return false;
- }
- if (m_pFile->GetImplemenation() && (content.empty() || content == "application/octet-stream"))
- m_content = m_pFile->GetImplemenation()->GetContent();
- m_eof = true;
- return true;
- }
- // close file and reset everyting
- 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;
- unsigned int ret = m_pFile->Read(buf, buf_size);
- /* we currently don't support non completing reads */
- if( ret == 0 ) m_eof = true;
- return (int)(ret & 0xFFFFFFFF);
- }
- 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;
- }
- int CDVDInputStreamFile::GetBlockSize()
- {
- if(m_pFile)
- return m_pFile->GetChunkSize();
- else
- return 0;
- }
- void CDVDInputStreamFile::SetReadRate(unsigned rate)
- {
- unsigned maxrate = rate + 1024 * 1024 / 8;
- if(m_pFile->IoControl(IOCTRL_CACHE_SETRATE, &maxrate) >= 0)
- CLog::Log(LOGDEBUG, "CDVDInputStreamFile::SetReadRate - set cache throttle rate to %u bytes per second", maxrate);
- }