began base encoder type for abstracting around exporting

Essentially the same principle as Decoders but somewhat different functionality.

app/CMakeLists.txt

@@ -30,6 +30,7 @@ add_subdirectory(common)
 add_subdirectory(config)
 add_subdirectory(decoder)
 add_subdirectory(dialog)
+add_subdirectory(encoder)
 add_subdirectory(node)
 add_subdirectory(panel)
 add_subdirectory(project)

app/decoder/decoder.h

@@ -57,7 +57,7 @@ public:
   Decoder(Stream* fs);
 
   // Necessary for subclassing, it's empty
-  virtual ~Decoder();
+  virtual ~Decoder() override;
 
   DISABLE_COPY_MOVE(Decoder)
 

app/encoder/CMakeLists.txt

@@ -0,0 +1,24 @@
+# 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/>.
+
+#add_subdirectory(oiio)
+
+set(OLIVE_SOURCES
+  ${OLIVE_SOURCES}
+  encoder/encoder.h
+  encoder/encoder.cpp
+  PARENT_SCOPE
+)

app/encoder/encoder.cpp

@@ -0,0 +1,31 @@
+#include "encoder.h"
+
+Encoder::Encoder(const EncodingParams &params) :
+  params_(params)
+{
+}
+
+EncodingParams::EncodingParams() :
+  video_enabled_(false),
+  audio_enabled_(false)
+{
+}
+
+void EncodingParams::SetFilename(const QString &filename)
+{
+  filename_ = filename;
+}
+
+void EncodingParams::EnableVideo(const VideoParams &video_params, const QString &vcodec)
+{
+  video_enabled_ = true;
+  video_params_ = video_params;
+  video_codec_ = vcodec;
+}
+
+void EncodingParams::EnableAudio(const AudioParams &audio_params, const QString &acodec)
+{
+  audio_enabled_ = true;
+  audio_params_ = audio_params;
+  audio_codec_ = acodec;
+}

app/encoder/encoder.h

@@ -0,0 +1,49 @@
+#ifndef ENCODER_H
+#define ENCODER_H
+
+#include <memory>
+#include <QString>
+
+#include "common/constructors.h"
+#include "render/audioparams.h"
+#include "render/videoparams.h"
+
+class Encoder;
+using EncoderPtr = std::shared_ptr<Encoder>;
+
+class EncodingParams {
+public:
+  EncodingParams();
+
+  void SetFilename(const QString& filename);
+  void EnableVideo(const VideoParams& video_params, const QString& vcodec);
+  void EnableAudio(const AudioParams& audio_params, const QString& acodec);
+
+private:
+  QString filename_;
+
+  QString video_codec_;
+  bool video_enabled_;
+  VideoParams video_params_;
+
+  QString audio_codec_;
+  bool audio_enabled_;
+  AudioParams audio_params_;
+};
+
+class Encoder
+{
+public:
+  Encoder(const EncodingParams& params);
+
+  DISABLE_COPY_MOVE(Encoder)
+
+  virtual bool Open() = 0;
+
+  virtual void Close() = 0;
+
+private:
+  EncodingParams params_;
+};
+
+#endif // ENCODER_H