Rename FrameDump.{cpp,h} to FrameDumpFFMpeg.{cpp,h}

The name kind of conflicts with a new FrameDumper class

Source/Core/VideoCommon/FrameDumpFFMpeg.h

@@ -0,0 +1,57 @@
+// Copyright 2008 Dolphin Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include <ctime>
+#include <memory>
+
+#include "Common/CommonTypes.h"
+
+struct FrameDumpContext;
+class PointerWrap;
+struct FrameData;
+struct FrameState;
+
+class FFMpegFrameDump
+{
+public:
+  FFMpegFrameDump();
+  ~FFMpegFrameDump();
+
+  bool Start(int w, int h, u64 start_ticks);
+  void AddFrame(const FrameData&);
+  void Stop();
+  void DoState(PointerWrap&);
+  bool IsStarted() const;
+  FrameState FetchState(u64 ticks, int frame_number) const;
+
+private:
+  bool IsFirstFrameInCurrentFile() const;
+  bool PrepareEncoding(int w, int h, u64 start_ticks, u32 savestate_index);
+  bool CreateVideoFile();
+  void CloseVideoFile();
+  void CheckForConfigChange(const FrameData&);
+  void ProcessPackets();
+
+#if defined(HAVE_FFMPEG)
+  std::unique_ptr<FrameDumpContext> m_context;
+#endif
+
+  // Used for FetchState:
+  u32 m_savestate_index = 0;
+
+  // Used for filename generation.
+  std::time_t m_start_time = {};
+  u32 m_file_index = 0;
+};
+
+#if !defined(HAVE_FFMPEG)
+inline FrameDump::FrameDump() = default;
+inline FrameDump::~FrameDump() = default;
+
+inline FrameState FrameDump::FetchState(u64 ticks, int frame_number) const
+{
+  return {};
+}
+#endif