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MediaTomb - http://www.mediatomb.cc/
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dvdnav_read.h - this file is part of MediaTomb.
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Copyright (C) 2005 Gena Batyan <bgeradz@mediatomb.cc>,
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Sergey 'Jin' Bostandzhyan <jin@mediatomb.cc>
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Copyright (C) 2006-2009 Gena Batyan <bgeradz@mediatomb.cc>,
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Sergey 'Jin' Bostandzhyan <jin@mediatomb.cc>,
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Leonhard Wimmer <leo@mediatomb.cc>
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MediaTomb is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2
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as published by the Free Software Foundation.
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MediaTomb is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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version 2 along with MediaTomb; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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/// \file dvdnav_read.h
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/// \brief Definition of the FileIOHandler class.
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#ifndef __DVDNAV_READ_H__
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#define __DVDNAV_READ_H__
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#include <sys/types.h>
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#include <dvdnav/dvdnav.h>
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/// \brief Allows to read selected streams from a DVD image.
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/// There are some constraints on the usage of this class:
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/// First of all - you *must* call the selectPGC() function before you
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/// attempt to read data or get the stream length.
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/// You must call selectPGC() each time when you want to reset read; calling
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/// read consequently will return the stream data and advance further in the
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/// The class is thread safe, meaning that locks are in place, however it's
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/// design does not suggest multithreaded usage. selectPGC(), read(),
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/// getLength() will not work in parallel but block if one of the functions
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class DVDNavReader : public zmm::Object
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/// \brief Sets the filename to work with. Can be an ISO, device or
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DVDNavReader(zmm::String path);
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/// \brief returns the number of titles on the DVD
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/// \brief returns the number of chapters for a given title
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/// \param title_idx index of the title
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int chapterCount(int title_idx);
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/// \brief Returns the number of audio streams for the selected PGC
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int audioTrackCount();
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/// \brief Selects the title, chapter and angle to play, returns the
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/// number of bytes for the selection.
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/// The DVD is divided into titles, each title is didvided into chapters
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/// and can have one or more angles. This function selects what data we
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/// want to retrieve from the DVD (i.e. what stream we want to watch),
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/// and returns the size of the stream in bytes.
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/// Note, that we will always treat the chapter as "starting point", i.e.
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/// we will play from the given chapter to the very end, we will not stop
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/// at the end of the chapter.
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/// \param title_idx index of the title
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/// \param chapter_idx index of the chapter from where we start
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void selectPGC(int title_idx, int chapter_idx);
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/// \brief Reads the stream, specified by selectPGC from the DVD.
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/// \param buffer buffer to store the data
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/// \param length length of the buffer
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/// \return number of bytes read (can be shorter than buffer length), value
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/// of 0 indicates end of stream.
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size_t readSector(unsigned char *buffer, size_t length);
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/// \brief Returns a human readable language string of the audio stream
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zmm::String audioLanguage(int stream_idx);
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/// \brief Returns the sampling frequency of the given audio stream
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int audioSampleFrequency(int stream_idx);
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/// \brief Returns the number of channels for the given audio stream
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int audioChannels(int stream_idx);
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/// \brief Returns the id of the audio stream
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int audioStreamID(int stream_idx);
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/// \brief Returns a human readable name of the audio format
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zmm::String audioFormat(int stream_idx);
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/// \brief Name of the DVD file.
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zmm::String dvd_path;
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/// \brief DVD handle
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/// \brief end of title flag
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zmm::Ref<Mutex> mutex;
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zmm::String getLanguage(char *code);
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#endif // __DVDNAV_READ_H__
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src/dvdnav_read.h
