merged encoder and decoder code into one folder since they can share quite a bit of code

2019-12-21 20:03:25 +11:00
parent 15e01c9452
commit ee31da9e71
25 changed files with 744 additions and 210 deletions
@@ -0,0 +1,143 @@
+/***
+
+  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/>.
+
+***/
+
+#ifndef FRAME_H
+#define FRAME_H
+
+#include <memory>
+#include <QVector>
+
+#include "common/rational.h"
+#include "render/audioparams.h"
+#include "render/pixelformat.h"
+
+class Frame;
+using FramePtr = std::shared_ptr<Frame>;
+
+/**
+ * @brief Video frame data or audio sample data from a Decoder
+ *
+ * Abstraction from AVFrame. Currently a simple AVFrame wrapper.
+ *
+ * This class does not support copying at this time.
+ */
+class Frame
+{
+public:
+  /// Normal constructor
+  Frame();
+
+  static FramePtr Create();
+
+  /**
+   * @brief Get frame's width in pixels
+   */
+  const int& width();
+  void set_width(const int& width);
+
+  /**
+   * @brief Get frame's height in pixels
+   */
+  const int& height();
+  void set_height(const int& height);
+
+  const AudioRenderingParams& audio_params();
+  void set_audio_params(const AudioRenderingParams& params);
+
+  const int &sample_count();
+  void set_sample_count(const int &sample_count);
+
+  /**
+   * @brief Get frame's timestamp.
+   *
+   * This timestamp is always a rational that will equate to the time in seconds.
+   */
+  const rational& timestamp();
+  void set_timestamp(const rational& timestamp);
+
+  /*const int64_t& native_timestamp();
+  void set_native_timestamp(const int64_t& timestamp);*/
+
+  /**
+   * @brief Get frame's format
+   *
+   * @return
+   *
+   * Currently this will either be an olive::PixelFormat (video) or an olive::SampleFormat (audio).
+   */
+  const olive::PixelFormat& format();
+  void set_format(const olive::PixelFormat& format);
+
+  /**
+   * @brief Returns a copy of the data in this frame as a QByteArray
+   *
+   * Will always do a deep copy. If you want to affect the data directly, use data() instead.
+   */
+  QByteArray ToByteArray();
+
+  /**
+   * @brief Get the data buffer of this frame
+   */
+  char* data();
+
+  /**
+   * @brief Get the const data buffer of this frame
+   */
+  const char* const_data();
+
+  /**
+   * @brief Allocate memory buffer to store data based on parameters
+   *
+   * For video frames, the width(), height(), and format() must be set for this function to work.
+   *
+   * If a memory buffer has been previously allocated without destroying, this function will destroy it.
+   */
+  void allocate();
+
+  /**
+   * @brief Destroy a memory buffer allocated with allocate()
+   */
+  void destroy();
+
+  /**
+   * @brief Returns the size of the array returned in data() in bytes
+   *
+   * Returns 0 if nothing is allocated.
+   */
+  int allocated_size() const;
+
+private:
+  int width_;
+
+  int height_;
+
+  olive::PixelFormat format_;
+
+  AudioRenderingParams audio_params_;
+
+  int sample_count_;
+
+  QByteArray data_;
+
+  rational timestamp_;
+
+};
+
+#endif // FRAME_H