Initial code (pre-GitHub)

Contains:
- ffmpeg object wrappers
- base encoder class
- Apply ProRes encoder (prores_aw)
- OBS plugin structure

source/ffmpeg/avframe-queue.hpp

@@ -0,0 +1,70 @@
+// FFMPEG Video Encoder Integration for OBS Studio
+// Copyright (C) 2018 - 2018 Michael Fabian Dirks
+//
+// 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 2 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, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+
+#ifndef OBS_FFMPEG_FFMPEG_AVFRAME_QUEUE
+#define OBS_FFMPEG_FFMPEG_AVFRAME_QUEUE
+#pragma once
+
+#include <mutex>
+#include <deque>
+
+extern "C" {
+#include <libavutil/frame.h>
+}
+
+namespace ffmpeg {
+	class avframe_queue {
+		std::deque<AVFrame*> frames;
+		std::mutex           lock;
+
+		std::pair<uint32_t, uint32_t> resolution;
+		AVPixelFormat                 format = AV_PIX_FMT_NONE;
+
+		AVFrame* create_frame();
+		void     destroy_frame(AVFrame* frame);
+
+		public:
+		avframe_queue();
+		~avframe_queue();
+
+		void     set_resolution(uint32_t width, uint32_t height);
+		void     get_resolution(uint32_t& width, uint32_t& height);
+		uint32_t get_width();
+		uint32_t get_height();
+
+		void          set_pixel_format(AVPixelFormat format);
+		AVPixelFormat get_pixel_format();
+
+		void precache(size_t count);
+
+		void clear();
+
+		void push(AVFrame* frame);
+
+		AVFrame* pop();
+
+		AVFrame* pop_only();
+
+		bool empty();
+
+		size_t size();
+
+
+	};
+} // namespace ffmpeg
+
+#endif OBS_FFMPEG_FFMPEG_AVFRAME_QUEUE