diff options
Diffstat (limited to 'src/plugins/Effect/srconverter/srconverter.cpp')
| -rw-r--r-- | src/plugins/Effect/srconverter/srconverter.cpp | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/src/plugins/Effect/srconverter/srconverter.cpp b/src/plugins/Effect/srconverter/srconverter.cpp deleted file mode 100644 index 753e60172..000000000 --- a/src/plugins/Effect/srconverter/srconverter.cpp +++ /dev/null @@ -1,116 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2007-2016 by Ilya Kotov * - * forkotov02@hotmail.ru * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program 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 General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this program; if not, write to the * - * Free Software Foundation, Inc., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * - ***************************************************************************/ - -#include <QSettings> -#include <math.h> -#include <stdlib.h> -#include <qmmp/qmmp.h> -#include "srconverter.h" - -SRConverter::SRConverter() : Effect() -{ - int converter_type_array[] = {SRC_SINC_BEST_QUALITY, SRC_SINC_MEDIUM_QUALITY, SRC_SINC_FASTEST, - SRC_ZERO_ORDER_HOLD, SRC_LINEAR}; - m_src_state = 0; - m_srcError = 0; - m_src_data.data_in = 0; - m_src_data.data_out = 0; - QSettings settings(Qmmp::configFile(), QSettings::IniFormat); - m_overSamplingFs = settings.value("SRC/sample_rate",48000).toInt(); - m_converter_type = converter_type_array[settings.value("SRC/engine", 0).toInt()]; -} - -SRConverter::~SRConverter() -{ - freeSRC(); -} - -void SRConverter::applyEffect(Buffer *b) -{ - if (m_src_state && b->samples > 0) - { - m_src_data.end_of_input = 0; - m_src_data.data_in = b->data; - m_src_data.input_frames = b->samples / channels(); - m_src_data.output_frames = m_src_data.src_ratio * m_src_data.input_frames + 1; - - if ((m_srcError = src_process(m_src_state, &m_src_data)) > 0) - { - qWarning("SRConverter: src_process(): %s\n", src_strerror(m_srcError)); - } - - b->samples = m_src_data.output_frames_gen * channels(); - m_src_data.data_in = 0; - m_src_data.input_frames = 0; - - if(b->samples > b->size) - { - delete [] b->data; - b->data = new float[b->samples]; - b->size = b->samples; - } - - memcpy(b->data, m_src_data.data_out, b->samples * sizeof(float)); - } -} - -void SRConverter::configure(quint32 freq, ChannelMap map) -{ - freeSRC(); - if(freq != m_overSamplingFs) - { - m_src_state = src_new(m_converter_type, map.count(), &m_srcError); - if (m_src_state) - { - m_src_data.src_ratio = (float)m_overSamplingFs/(float)freq; - src_set_ratio(m_src_state, m_src_data.src_ratio); - } - else - qDebug("SRConverter: src_new(): %s", src_strerror(m_srcError)); - - m_src_data.data_out = new float[int(m_src_data.src_ratio * QMMP_BLOCK_FRAMES * map.count() * 2 + 2)]; - } - Effect::configure(m_overSamplingFs, map); -} - -void SRConverter::freeSRC() -{ - if (m_src_state) - { - src_reset(m_src_state); - src_delete(m_src_state); - } - m_src_state = 0; - - if(m_src_data.data_in) - { - delete [] m_src_data.data_in; - m_src_data.data_in = 0; - } - if(m_src_data.data_out) - { - delete [] m_src_data.data_out; - m_src_data.data_out = 0; - } - - m_src_data.end_of_input = 0; - m_src_data.input_frames = 0; - m_src_data.output_frames = 0; -} |
