135 lines
3.5 KiB
C++
135 lines
3.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2017 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version, but always including the *additional*
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// restrictions defined in the "License.txt" file.
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//
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// This program 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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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "Encoder_Abstract.h"
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//Internal
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#include "Global.h"
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//MUtils
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#include <MUtils/Global.h>
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AbstractEncoder::AbstractEncoder(void)
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{
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m_configBitrate = 0;
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m_configRCMode = 0;
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m_configCustomParams.clear();
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m_configSamplingRate = 0;
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}
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AbstractEncoder::~AbstractEncoder(void)
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{
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}
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/*
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* Setters
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*/
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void AbstractEncoder::setRCMode(const int &mode)
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{
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if (!toEncoderInfo()->isModeSupported(qMax(0, mode)))
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{
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MUTILS_THROW("This RC mode is not supported by the encoder!");
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}
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m_configRCMode = qMax(0, mode);
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m_configBitrate = qBound(0, m_configBitrate, toEncoderInfo()->valueCount(m_configRCMode) - 1);
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}
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void AbstractEncoder::setBitrate(const int &bitrate)
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{
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const int valueCount = toEncoderInfo()->valueCount(m_configRCMode);
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if ((valueCount > 0) && (qMax(0, bitrate) >= valueCount))
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{
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MUTILS_THROW("The specified bitrate/quality is out of range!");
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}
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m_configBitrate = qMax(0, bitrate);
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}
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void AbstractEncoder::setCustomParams(const QString &customParams)
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{
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m_configCustomParams = customParams.trimmed();
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}
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void AbstractEncoder::setSamplingRate(const int &value)
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{
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if (!toEncoderInfo()->isResamplingSupported())
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{
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MUTILS_THROW("This encoder does *not* support native resampling!");
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}
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m_configSamplingRate = qBound(0, value, 48000);
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};
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/*
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* Default implementation
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*/
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// Does encoder require the input to be downmixed to stereo?
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const unsigned int *AbstractEncoder::supportedChannelCount(void)
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{
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return NULL;
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}
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// Does encoder require the input to be downsampled? (NULL-terminated array of supported sampling rates)
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const unsigned int *AbstractEncoder::supportedSamplerates(void)
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{
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return NULL;
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}
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// What bitdepths does the encoder support as input? (NULL-terminated array of supported bits per sample)
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const unsigned int *AbstractEncoder::supportedBitdepths(void)
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{
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return NULL;
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}
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//Does the encoder need the exact duration of the source?
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const bool AbstractEncoder::needsTimingInfo(void)
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{
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return false;
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}
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/*
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* Helper functions
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*/
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//Does this text contain Non-ASCII characters?
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bool AbstractEncoder::isUnicode(const QString &original)
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{
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if(!original.isEmpty())
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{
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QString asLatin1 = QString::fromLatin1(original.toLatin1().constData());
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return (wcscmp(MUTILS_WCHR(original), MUTILS_WCHR(asLatin1)) != 0);
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}
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return false;
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}
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//Remove "problematic" characters from tag
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QString AbstractEncoder::cleanTag(const QString &text)
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{
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QString result(text);
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result.replace(QChar('"'), "'");
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result.replace(QChar('\\'), "/");
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return result;
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}
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