Add video player (#2)

https://github.com/sony/flutter-embedded-linux/issues/124
2021-07-29 13:20:33 +09:00
parent e6d61c00af
commit 0fe779fc3a
40 changed files with 3214 additions and 1 deletions
@@ -0,0 +1,72 @@
+// Copyright 2021 Sony Group Corporation. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PACKAGES_VIDEO_PLAYER_VIDEO_PLAYER_ELINUX_GST_VIDEO_PLAYER_H_
+#define PACKAGES_VIDEO_PLAYER_VIDEO_PLAYER_ELINUX_GST_VIDEO_PLAYER_H_
+
+#include <gst/gst.h>
+
+#include <memory>
+#include <shared_mutex>
+#include <string>
+
+#include "video_player_stream_handler.h"
+
+class GstVideoPlayer {
+ public:
+  GstVideoPlayer(const std::string& uri,
+                 std::unique_ptr<VideoPlayerStreamHandler> handler);
+  ~GstVideoPlayer();
+
+  static void GstLibraryLoad();
+  static void GstLibraryUnload();
+
+  bool Play();
+  bool Pause();
+  bool Stop();
+  bool SetVolume(double volume);
+  bool SetPlaybackRate(double rate);
+  void SetAutoRepeat(bool auto_repeat) { auto_repeat_ = auto_repeat; };
+  bool SetSeek(int64_t position);
+  int64_t GetDuration();
+  int64_t GetCurrentPosition();
+  const uint8_t* GetFrameBuffer();
+  int32_t GetWidth() const { return width_; };
+  int32_t GetHeight() const { return height_; };
+
+ private:
+  struct GstVideoElements {
+    GstElement* pipeline;
+    GstElement* playbin;
+    GstElement* video_convert;
+    GstElement* video_sink;
+    GstElement* output;
+    GstBus* bus;
+    GstBuffer* buffer;
+  };
+
+  static void HandoffHandler(GstElement* fakesink, GstBuffer* buf,
+                             GstPad* new_pad, gpointer user_data);
+  static gboolean HandleGstMessage(GstBus* bus, GstMessage* message,
+                                   gpointer user_data);
+  std::string ParseUri(const std::string& uri);
+  bool CreatePipeline();
+  void DestroyPipeline();
+  void Preroll();
+  void GetVideoSize(int32_t& width, int32_t& height);
+
+  GstVideoElements gst_;
+  std::string uri_;
+  std::unique_ptr<uint32_t> pixels_;
+  int32_t width_;
+  int32_t height_;
+  double volume_ = 1.0;
+  double playback_rate_ = 1.0;
+  bool mute_ = false;
+  bool auto_repeat_ = false;
+  std::shared_mutex mutex_buffer_;
+  std::unique_ptr<VideoPlayerStreamHandler> stream_handler_;
+};
+
+#endif  // PACKAGES_VIDEO_PLAYER_VIDEO_PLAYER_ELINUX_GST_VIDEO_PLAYER_H_