diff options
Diffstat (limited to 'libs/taglib/taglib/wavpack/wavpackproperties.cpp')
| -rw-r--r-- | libs/taglib/taglib/wavpack/wavpackproperties.cpp | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/libs/taglib/taglib/wavpack/wavpackproperties.cpp b/libs/taglib/taglib/wavpack/wavpackproperties.cpp deleted file mode 100644 index ec7a9bf606..0000000000 --- a/libs/taglib/taglib/wavpack/wavpackproperties.cpp +++ /dev/null @@ -1,143 +0,0 @@ -/*************************************************************************** - copyright : (C) 2006 by Lukáš Lalinský - email : lalinsky@gmail.com - - copyright : (C) 2004 by Allan Sandfeld Jensen - email : kde@carewolf.org - (original MPC implementation) - ***************************************************************************/ - -/*************************************************************************** - * 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 * - * * - * 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/ * - ***************************************************************************/ - -#include <tstring.h> -#include <tdebug.h> -#include <bitset> - -#include "wavpackproperties.h" -#include "wavpackfile.h" - -using namespace TagLib; - -class WavPack::Properties::PropertiesPrivate -{ -public: - PropertiesPrivate(const ByteVector &d, long length, ReadStyle s) : - data(d), - streamLength(length), - style(s), - length(0), - bitrate(0), - sampleRate(0), - channels(0), - version(0), - bitsPerSample(0) {} - - ByteVector data; - long streamLength; - ReadStyle style; - int length; - int bitrate; - int sampleRate; - int channels; - int version; - int bitsPerSample; -}; - -//////////////////////////////////////////////////////////////////////////////// -// public members -//////////////////////////////////////////////////////////////////////////////// - -WavPack::Properties::Properties(const ByteVector &data, long streamLength, ReadStyle style) : AudioProperties(style) -{ - d = new PropertiesPrivate(data, streamLength, style); - read(); -} - -WavPack::Properties::~Properties() -{ - delete d; -} - -int WavPack::Properties::length() const -{ - return d->length; -} - -int WavPack::Properties::bitrate() const -{ - return d->bitrate; -} - -int WavPack::Properties::sampleRate() const -{ - return d->sampleRate; -} - -int WavPack::Properties::channels() const -{ - return d->channels; -} - -int WavPack::Properties::version() const -{ - return d->version; -} - -int WavPack::Properties::bitsPerSample() const -{ - return d->bitsPerSample; -} - -//////////////////////////////////////////////////////////////////////////////// -// private members -//////////////////////////////////////////////////////////////////////////////// - -static const unsigned int sample_rates[] = { 6000, 8000, 9600, 11025, 12000, - 16000, 22050, 24000, 32000, 44100, 48000, 64000, 88200, 96000, 192000 }; - -#define BYTES_STORED 3 -#define MONO_FLAG 4 - -#define SHIFT_LSB 13 -#define SHIFT_MASK (0x1fL << SHIFT_LSB) - -#define SRATE_LSB 23 -#define SRATE_MASK (0xfL << SRATE_LSB) - -void WavPack::Properties::read() -{ - if(!d->data.startsWith("wvpk")) - return; - - d->version = d->data.mid(8, 2).toShort(false); - - unsigned int flags = d->data.mid(24, 4).toUInt(false); - d->bitsPerSample = ((flags & BYTES_STORED) + 1) * 8 - - ((flags & SHIFT_MASK) >> SHIFT_LSB); - d->sampleRate = sample_rates[(flags & SRATE_MASK) >> SRATE_LSB]; - d->channels = (flags & MONO_FLAG) ? 1 : 2; - - unsigned int samples = d->data.mid(12, 4).toUInt(false); - d->length = d->sampleRate > 0 ? (samples + (d->sampleRate / 2)) / d->sampleRate : 0; - - d->bitrate = d->length > 0 ? ((d->streamLength * 8L) / d->length) / 1000 : 0; -} - |