proxy: began work towards creating proxy from video

2020-05-03 17:09:52 +10:00
parent e4c3b6bf7b
commit 6754feb2f6
16 changed files with 388 additions and 81 deletions
@@ -0,0 +1,60 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  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 3 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, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "proxy.h"
+
+#include "codec/decoder.h"
+
+OLIVE_NAMESPACE_ENTER
+
+ProxyTask::ProxyTask(VideoStreamPtr stream, int divider) :
+  stream_(stream),
+  divider_(divider)
+{
+  if (divider_ == 1) {
+    SetTitle(tr("Generating full resolution proxy %1:%2").arg(stream_->footage()->filename(),
+                                                              QString::number(stream_->index())));
+  } else {
+    SetTitle(tr("Generating 1/%1 resolution proxy %2:%3").arg(QString::number(divider),
+                                                              stream_->footage()->filename(),
+                                                              QString::number(stream_->index())));
+  }
+}
+
+void ProxyTask::Action()
+{
+  if (stream_->footage()->decoder().isEmpty()) {
+    emit Failed(tr("Failed to find decoder to conform audio stream"));
+  } else {
+    DecoderPtr decoder = Decoder::CreateFromID(stream_->footage()->decoder());
+
+    decoder->set_stream(stream_);
+
+    connect(decoder.get(), &Decoder::IndexProgress, this, &ProxyTask::ProgressChanged);
+
+    if (decoder->ProxyVideo(&IsCancelled(), divider_)) {
+      emit Succeeded();
+    } else {
+      emit Failed(QStringLiteral("Failed to generate proxy"));
+    }
+  }
+}
+
+OLIVE_NAMESPACE_EXIT