summaryrefslogtreecommitdiff
path: root/libs/vamp-sdk/src/vamp-hostsdk/PluginChannelAdapter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'libs/vamp-sdk/src/vamp-hostsdk/PluginChannelAdapter.cpp')
-rw-r--r--libs/vamp-sdk/src/vamp-hostsdk/PluginChannelAdapter.cpp270
1 files changed, 0 insertions, 270 deletions
diff --git a/libs/vamp-sdk/src/vamp-hostsdk/PluginChannelAdapter.cpp b/libs/vamp-sdk/src/vamp-hostsdk/PluginChannelAdapter.cpp
deleted file mode 100644
index d259a259a6..0000000000
--- a/libs/vamp-sdk/src/vamp-hostsdk/PluginChannelAdapter.cpp
+++ /dev/null
@@ -1,270 +0,0 @@
-/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
-
-/*
- Vamp
-
- An API for audio analysis and feature extraction plugins.
-
- Centre for Digital Music, Queen Mary, University of London.
- Copyright 2006-2009 Chris Cannam and QMUL.
-
- Permission is hereby granted, free of charge, to any person
- obtaining a copy of this software and associated documentation
- files (the "Software"), to deal in the Software without
- restriction, including without limitation the rights to use, copy,
- modify, merge, publish, distribute, sublicense, and/or sell copies
- of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
- ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
- CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
- Except as contained in this notice, the names of the Centre for
- Digital Music; Queen Mary, University of London; and Chris Cannam
- shall not be used in advertising or otherwise to promote the sale,
- use or other dealings in this Software without prior written
- authorization.
-*/
-
-#include "vamp-hostsdk/PluginChannelAdapter.h"
-
-_VAMP_SDK_HOSTSPACE_BEGIN(PluginChannelAdapter.cpp)
-
-namespace Vamp {
-
-namespace HostExt {
-
-class PluginChannelAdapter::Impl
-{
-public:
- Impl(Plugin *plugin);
- ~Impl();
-
- bool initialise(size_t channels, size_t stepSize, size_t blockSize);
-
- FeatureSet process(const float *const *inputBuffers, RealTime timestamp);
- FeatureSet processInterleaved(const float *inputBuffers, RealTime timestamp);
-
-protected:
- Plugin *m_plugin;
- size_t m_blockSize;
- size_t m_inputChannels;
- size_t m_pluginChannels;
- float **m_buffer;
- float **m_deinterleave;
- const float **m_forwardPtrs;
-};
-
-PluginChannelAdapter::PluginChannelAdapter(Plugin *plugin) :
- PluginWrapper(plugin)
-{
- m_impl = new Impl(plugin);
-}
-
-PluginChannelAdapter::~PluginChannelAdapter()
-{
- delete m_impl;
-}
-
-bool
-PluginChannelAdapter::initialise(size_t channels, size_t stepSize, size_t blockSize)
-{
- return m_impl->initialise(channels, stepSize, blockSize);
-}
-
-PluginChannelAdapter::FeatureSet
-PluginChannelAdapter::process(const float *const *inputBuffers,
- RealTime timestamp)
-{
- return m_impl->process(inputBuffers, timestamp);
-}
-
-PluginChannelAdapter::FeatureSet
-PluginChannelAdapter::processInterleaved(const float *inputBuffers,
- RealTime timestamp)
-{
- return m_impl->processInterleaved(inputBuffers, timestamp);
-}
-
-PluginChannelAdapter::Impl::Impl(Plugin *plugin) :
- m_plugin(plugin),
- m_blockSize(0),
- m_inputChannels(0),
- m_pluginChannels(0),
- m_buffer(0),
- m_deinterleave(0),
- m_forwardPtrs(0)
-{
-}
-
-PluginChannelAdapter::Impl::~Impl()
-{
- // the adapter will delete the plugin
-
- if (m_buffer) {
- if (m_inputChannels > m_pluginChannels) {
- delete[] m_buffer[0];
- } else {
- for (size_t i = 0; i < m_pluginChannels - m_inputChannels; ++i) {
- delete[] m_buffer[i];
- }
- }
- delete[] m_buffer;
- m_buffer = 0;
- }
-
- if (m_deinterleave) {
- for (size_t i = 0; i < m_inputChannels; ++i) {
- delete[] m_deinterleave[i];
- }
- delete[] m_deinterleave;
- m_deinterleave = 0;
- }
-
- if (m_forwardPtrs) {
- delete[] m_forwardPtrs;
- m_forwardPtrs = 0;
- }
-}
-
-bool
-PluginChannelAdapter::Impl::initialise(size_t channels, size_t stepSize, size_t blockSize)
-{
- m_blockSize = blockSize;
-
- size_t minch = m_plugin->getMinChannelCount();
- size_t maxch = m_plugin->getMaxChannelCount();
-
- m_inputChannels = channels;
-
- if (m_inputChannels < minch) {
-
- m_forwardPtrs = new const float *[minch];
-
- if (m_inputChannels > 1) {
- // We need a set of zero-valued buffers to add to the
- // forwarded pointers
- m_buffer = new float*[minch - channels];
- for (size_t i = 0; i < minch; ++i) {
- m_buffer[i] = new float[blockSize];
- for (size_t j = 0; j < blockSize; ++j) {
- m_buffer[i][j] = 0.f;
- }
- }
- }
-
- m_pluginChannels = minch;
-
-// std::cerr << "PluginChannelAdapter::initialise: expanding " << m_inputChannels << " to " << m_pluginChannels << " for plugin" << std::endl;
-
- } else if (m_inputChannels > maxch) {
-
- // We only need m_buffer if we are mixing down to a single
- // channel -- otherwise we can just forward the same float* as
- // passed in to process(), expecting the excess to be ignored
-
- if (maxch == 1) {
- m_buffer = new float *[1];
- m_buffer[0] = new float[blockSize];
-
-// std::cerr << "PluginChannelAdapter::initialise: mixing " << m_inputChannels << " to mono for plugin" << std::endl;
-
- } else {
-
-// std::cerr << "PluginChannelAdapter::initialise: reducing " << m_inputChannels << " to " << m_pluginChannels << " for plugin" << std::endl;
- }
-
- m_pluginChannels = maxch;
-
- } else {
-
-// std::cerr << "PluginChannelAdapter::initialise: accepting given number of channels (" << m_inputChannels << ")" << std::endl;
- m_pluginChannels = m_inputChannels;
- }
-
- return m_plugin->initialise(m_pluginChannels, stepSize, blockSize);
-}
-
-PluginChannelAdapter::FeatureSet
-PluginChannelAdapter::Impl::processInterleaved(const float *inputBuffers,
- RealTime timestamp)
-{
- if (!m_deinterleave) {
- m_deinterleave = new float *[m_inputChannels];
- for (size_t i = 0; i < m_inputChannels; ++i) {
- m_deinterleave[i] = new float[m_blockSize];
- }
- }
-
- for (size_t i = 0; i < m_inputChannels; ++i) {
- for (size_t j = 0; j < m_blockSize; ++j) {
- m_deinterleave[i][j] = inputBuffers[j * m_inputChannels + i];
- }
- }
-
- return process(m_deinterleave, timestamp);
-}
-
-PluginChannelAdapter::FeatureSet
-PluginChannelAdapter::Impl::process(const float *const *inputBuffers,
- RealTime timestamp)
-{
-// std::cerr << "PluginChannelAdapter::process: " << m_inputChannels << " -> " << m_pluginChannels << " channels" << std::endl;
-
- if (m_inputChannels < m_pluginChannels) {
-
- if (m_inputChannels == 1) {
- for (size_t i = 0; i < m_pluginChannels; ++i) {
- m_forwardPtrs[i] = inputBuffers[0];
- }
- } else {
- for (size_t i = 0; i < m_inputChannels; ++i) {
- m_forwardPtrs[i] = inputBuffers[i];
- }
- for (size_t i = m_inputChannels; i < m_pluginChannels; ++i) {
- m_forwardPtrs[i] = m_buffer[i - m_inputChannels];
- }
- }
-
- return m_plugin->process(m_forwardPtrs, timestamp);
-
- } else if (m_inputChannels > m_pluginChannels) {
-
- if (m_pluginChannels == 1) {
- for (size_t j = 0; j < m_blockSize; ++j) {
- m_buffer[0][j] = inputBuffers[0][j];
- }
- for (size_t i = 1; i < m_inputChannels; ++i) {
- for (size_t j = 0; j < m_blockSize; ++j) {
- m_buffer[0][j] += inputBuffers[i][j];
- }
- }
- for (size_t j = 0; j < m_blockSize; ++j) {
- m_buffer[0][j] /= m_inputChannels;
- }
- return m_plugin->process(m_buffer, timestamp);
- } else {
- return m_plugin->process(inputBuffers, timestamp);
- }
-
- } else {
-
- return m_plugin->process(inputBuffers, timestamp);
- }
-}
-
-}
-
-}
-
-_VAMP_SDK_HOSTSPACE_END(PluginChannelAdapter.cpp)
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-22 20:20:59 +0000