/************************************************************************** copyright : (C) 2005-2007 by Lukáš Lalinský email : lalinsky@gmail.com **************************************************************************/ /*************************************************************************** * 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., 51 Franklin Street, Fifth Floor, Boston, MA * * 02110-1301 USA * * * * Alternatively, this file is available under the Mozilla Public * * License Version 1.1. You may obtain a copy of the License at * * http://www.mozilla.org/MPL/ * ***************************************************************************/ #ifndef TAGLIB_ASFPROPERTIES_H #define TAGLIB_ASFPROPERTIES_H #include "audioproperties.h" #include "tstring.h" #include "taglib_export.h" namespace Strawberry_TagLib { namespace TagLib { namespace ASF { //! An implementation of ASF audio properties class TAGLIB_EXPORT AudioProperties : public Strawberry_TagLib::TagLib::AudioProperties { friend class File; public: /*! * Audio codec types can be used in ASF file. */ enum Codec { /*! * Couldn't detect the codec. */ Unknown = 0, /*! * Windows Media Audio 1 */ WMA1, /*! * Windows Media Audio 2 or above */ WMA2, /*! * Windows Media Audio 9 Professional */ WMA9Pro, /*! * Windows Media Audio 9 Lossless */ WMA9Lossless, }; /*! * Creates an instance of ASF::Properties. */ explicit AudioProperties(); /*! * Destroys this ASF::AudioProperties instance. */ ~AudioProperties() override; /*! * Returns the length of the file in seconds. The length is rounded down to * the nearest whole second. * * \see lengthInMilliseconds() */ int lengthInSeconds() const override; /*! * Returns the length of the file in milliseconds. * * \see lengthInSeconds() */ int lengthInMilliseconds() const override; /*! * Returns the average bit rate of the file in kb/s. */ int bitrate() const override; /*! * Returns the sample rate in Hz. */ int sampleRate() const override; /*! * Returns the number of audio channels. */ int channels() const override; /*! * Returns the number of bits per audio sample. */ int bitsPerSample() const; /*! * Returns the codec used in the file. * * \see codecName() * \see codecDescription() */ Codec codec() const; /*! * Returns the concrete codec name, for example "Windows Media Audio 9.1" used in the file if available, otherwise an empty string. * * \see codec() * \see codecDescription() */ String codecName() const; /*! * Returns the codec description, typically contains the encoder settings, * for example "VBR Quality 50, 44kHz, stereo 1-pass VBR" if available, otherwise an empty string. * * \see codec() * \see codecName() */ String codecDescription() const; /*! * Returns whether or not the file is encrypted. */ bool isEncrypted() const; private: void setLengthInMilliseconds(int value); void setBitrate(int value); void setSampleRate(int value); void setChannels(int value); void setBitsPerSample(int value); void setCodec(int value); void setCodecName(const String &value); void setCodecDescription(const String &value); void setEncrypted(bool value); private: class AudioPropertiesPrivate; AudioPropertiesPrivate *d; }; } // namespace ASF } // namespace TagLib } // namespace Strawberry_TagLib #endif