Clementine-audio-player-Mac.../src/engines/gstpipelinebase.cpp

87 lines
2.5 KiB
C++

/* This file is part of Clementine.
Copyright 2021, Jim Broadus <jbroadus@gmail.com>
Clementine 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 3 of the License, or
(at your option) any later version.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "gstpipelinebase.h"
#include "core/logging.h"
std::atomic<int> GstPipelineBase::sId(1);
GstPipelineBase::GstPipelineBase(const QString& type)
: QObject(nullptr), pipeline_(nullptr), type_(type), id_(sId++) {}
GstPipelineBase::~GstPipelineBase() {
if (pipeline_) {
gst_element_set_state(pipeline_, GST_STATE_NULL);
gst_object_unref(GST_OBJECT(pipeline_));
}
}
bool GstPipelineBase::Init() {
QString name = QString("%1-pipeline-%2").arg(type_).arg(id_);
pipeline_ = gst_pipeline_new(name.toUtf8().constData());
return pipeline_ != nullptr;
}
void GstPipelineBase::DumpGraph() {
#ifdef GST_DISABLE_GST_DEBUG
qLog(Debug) << "Cannot dump graph. gstreamer debug is not enabled.";
#else
if (pipeline_) {
qLog(Debug) << "Dumping pipeline graph";
GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(pipeline_),
GST_DEBUG_GRAPH_SHOW_ALL, "pipeline");
}
#endif
}
GstPipelineModel::GstPipelineModel(QObject* parent)
: QStandardItemModel(parent) {}
void GstPipelineModel::AddPipeline(int id, const QString& name) {
QStandardItem* item = new QStandardItem();
item->setData(name, Qt::DisplayRole);
item->setData(id, Role::Role_Id);
item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
appendRow(item);
}
void GstPipelineModel::RemovePipeline(int id) {
int row = FindRowById(id);
if (row < 0) {
qLog(Warning) << "Did not find pipeline" << id;
return;
}
removeRow(row);
}
int GstPipelineModel::FindRowById(int id) const {
for (int i = 0; i < rowCount(); i++) {
if (item(i)->data(Role::Role_Id).toInt() == id) return i;
}
return -1;
}
int GstPipelineModel::GetPipelineId(const QModelIndex& index) const {
const QStandardItem* item = itemFromIndex(index);
if (item != nullptr)
return item->data(Role::Role_Id).toInt();
else
return -1;
}