http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/taglib/mpegheader.h

/*************************************************************************** copyright : (C) 2003 by Scott Wheeler email : wheeler@kde.org ***************************************************************************/ /*************************************************************************** * This library is free software; you can redistribute it and/or modify * * it under the terms of the GNU Lesser General Public License version * * 2.1 as published by the Free Software Foundation. * * * * This library 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 * * Lesser General Public License for more details. * * * * You should have received a copy of the GNU Lesser General Public * * License along with this library; if not, write to the Free Software * * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 * * USA * ***************************************************************************/ #ifndef TAGLIB_MPEGHEADER_H #define TAGLIB_MPEGHEADER_H namespace TagLib { class ByteVector; namespace MPEG { //! An implementation of MP3 frame headers /*! * This is an implementation of MPEG Layer III headers. The API follows more * or less the binary format of these headers. I've used * <a href="http://www.mp3-tech.org/programmer/frame_header.html">this</a> * document as a reference. */ class Header { public: /*! * Parses an MPEG header based on \a data. */ Header(const ByteVector &data); /*! * Does a shallow copy of \a h. */ Header(const Header &h); /*! * Destroys this Header instance. */ virtual ~Header(); /*! * Returns true if the frame is at least an appropriate size and has * legal values. */ bool isValid() const; /*! * The MPEG Version. */ enum Version { //! MPEG Version 1 Version1 = 0, //! MPEG Version 2 Version2 = 1, //! MPEG Version 2.5 Version2_5 = 2 }; /*! * Returns the MPEG Version of the header. */ Version version() const; /*! * Returns the layer version. This will be between the values 1-3. */ int layer() const; /*! * Returns true if the MPEG protection bit is enabled. */ bool protectionEnabled() const; /*! * Returns the bitrate encoded in the header. */ int bitrate() const; /*! * Returns the sample rate in Hz. */ int sampleRate() const; /*! * Returns true if the frame is padded. */ bool isPadded() const; /*! * There are a few combinations or one or two channel audio that are * possible: */ enum ChannelMode { //! Stereo Stereo = 0, //! Stereo JointStereo = 1, //! Dual Mono DualChannel = 2, //! Mono SingleChannel = 3 }; /*! * Returns the channel mode for this frame. */ ChannelMode channelMode() const; /*! * Returns true if the copyrighted bit is set. */ bool isCopyrighted() const; /*! * Returns true if the "original" bit is set. */ bool isOriginal() const; /*! * Returns the frame length. */ int frameLength() const; /*! * Makes a shallow copy of the header. */ Header &operator=(const Header &h); private: void parse(const ByteVector &data); class HeaderPrivate; HeaderPrivate *d; }; } } #endif