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authorBent Bisballe Nyeng <deva@aasimon.org>2018-08-08 17:52:46 +0200
committerBent Bisballe Nyeng <deva@aasimon.org>2018-08-08 17:52:46 +0200
commit8fac5fb3ac631f430e8181f7fb471faf7ebbb76a (patch)
tree1527a3883d7fb996cabcde1708ad0c312240645a /src/chresampler.cc
parent400959b536180cf8912f06dd80b4de077d8f8c74 (diff)
Remove old CHReampler class.
Diffstat (limited to 'src/chresampler.cc')
-rw-r--r--src/chresampler.cc220
1 files changed, 0 insertions, 220 deletions
diff --git a/src/chresampler.cc b/src/chresampler.cc
deleted file mode 100644
index 94737c6..0000000
--- a/src/chresampler.cc
+++ /dev/null
@@ -1,220 +0,0 @@
-/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/***************************************************************************
- * chresampler.cc
- *
- * Tue Sep 23 20:42:14 CEST 2014
- * Copyright 2014 Bent Bisballe Nyeng
- * deva@aasimon.org
- ****************************************************************************/
-
-/*
- * This file is part of DrumGizmo.
- *
- * DrumGizmo is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * DrumGizmo 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 DrumGizmo; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- */
-#include "chresampler.h"
-#include "cpp11fix.h"
-
-#include <config.h>
-#include <hugin.hpp>
-#include <stdio.h>
-
-#ifdef WITH_RESAMPLER
-
-#if defined(USE_ZITA)
-#include <zita-resampler/resampler.h>
-#elif defined(USE_SRC)
-#include <samplerate.h>
-#else
-#error "No resampler selected"
-#endif
-
-class CHResampler::Prv
-{
-public:
-#if defined(USE_ZITA)
- Resampler zita;
-#elif defined(USE_SRC)
- SRC_STATE* state;
- SRC_DATA data;
-#endif
-};
-
-CHResampler::CHResampler()
- : prv{std::make_unique<Prv>()}
-{
-#if defined(SRC)
- prv->state = nullptr;
-#endif
-}
-
-void CHResampler::setup(double input_fs, double output_fs)
-{
- if((input_fs == 0.0) || (output_fs == 0.0))
- {
- return;
- }
-
- int nchan = 1; // always mono
-
- this->input_fs = input_fs;
- this->output_fs = output_fs;
-
-#if defined(USE_ZITA)
- DEBUG(resampler, "Using zita-resampler (%d -> %d)", (int)input_fs,
- (int)output_fs);
-
- // delay is 2 * hlen, 72 corresponds to delay introduced by SRC.
- int hlen = 72; // 16 ≤ hlen ≤ 96
-
- prv->zita.reset();
- prv->zita.setup(input_fs, output_fs, nchan, hlen);
-
- std::size_t null_size = prv->zita.inpsize() / 2 - 1;
- prv->zita.inp_data = nullptr;
- prv->zita.inp_count = null_size;
-
- prv->zita.out_data = nullptr;
- prv->zita.out_count = 1024 * 1024;
-
- prv->zita.process();
-#elif defined(USE_SRC)
- DEBUG(resampler, "Using libsamplerate (%d -> %d)", (int)input_fs,
- (int)output_fs);
-
- int err;
- prv->state = src_new(SRC_SINC_BEST_QUALITY, nchan, &err);
- (void)err;
- // printf("err: %d\n", err);
- src_set_ratio(prv->state, output_fs / input_fs);
- prv->data.src_ratio = output_fs / input_fs;
- prv->data.end_of_input = 0;
-#endif
-}
-
-CHResampler::~CHResampler()
-{
-#if defined(USE_ZITA)
-#elif defined(USE_SRC)
- if(prv->state)
- {
- src_delete(prv->state);
- }
-#endif
-}
-
-void CHResampler::setInputSamples(float* samples, std::size_t count)
-{
-#if defined(USE_ZITA)
- prv->zita.inp_data = samples;
- prv->zita.inp_count = count;
-#elif defined(USE_SRC)
- prv->data.data_in = samples;
- prv->data.input_frames = count;
-#endif
-}
-
-void CHResampler::setOutputSamples(float* samples, std::size_t count)
-{
-#if defined(USE_ZITA)
- prv->zita.out_data = samples;
- prv->zita.out_count = count;
-#elif defined(USE_SRC)
- prv->data.data_out = samples;
- prv->data.output_frames = count;
-#endif
-}
-
-void CHResampler::process()
-{
-#if defined(USE_ZITA)
- prv->zita.process();
-#elif defined(USE_SRC)
- src_process(prv->state, &prv->data);
- prv->data.output_frames -= prv->data.output_frames_gen;
- prv->data.data_out += prv->data.output_frames_gen;
- prv->data.input_frames -= prv->data.input_frames_used;
- prv->data.data_in += prv->data.input_frames_used;
-#endif
-}
-
-std::size_t CHResampler::getLatency() const
-{
- if (input_fs == output_fs)
- {
- return 0;
- }
-
-#if defined(USE_ZITA)
- return 0;
-#elif defined(USE_SRC)
- return 0; // TODO?
-#endif
-}
-
-std::size_t CHResampler::getInputSampleCount() const
-{
-#if defined(USE_ZITA)
- return prv->zita.inp_count;
-#elif defined(USE_SRC)
- return prv->data.input_frames;
-#endif
-}
-
-std::size_t CHResampler::getOutputSampleCount() const
-{
-#if defined(USE_ZITA)
- return prv->zita.out_count;
-#elif defined(USE_SRC)
- return prv->data.output_frames;
-#endif
-}
-
-double CHResampler::getRatio() const
-{
- return input_fs / output_fs;
-}
-
-#else
-
-// Dummy implementation
-CHResampler::CHResampler() {}
-CHResampler::~CHResampler() {}
-void CHResampler::setup(double, double) {}
-void CHResampler::setInputSamples(float*, std::size_t) {}
-void CHResampler::setOutputSamples(float*, std::size_t) {}
-void CHResampler::process() {}
-
-std::size_t CHResampler::getLatency() const
-{
- return 0;
-}
-
-std::size_t CHResampler::getInputSampleCount() const
-{
- return 0;
-}
-
-std::size_t CHResampler::getOutputSampleCount() const
-{
- return 0;
-}
-
-double CHResampler::getRatio() const
-{
- return 1;
-}
-
-#endif /*WITH_RESAMPLER*/