From 4a6d9312cc1c9d62d66c4def71246d9faae29edb Mon Sep 17 00:00:00 2001
From: zhangmeng <775834166@qq.com>
Date: 星期三, 03 三月 2021 14:26:16 +0800
Subject: [PATCH] environment settings
---
module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/stereo3d.h | 233 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 233 insertions(+), 0 deletions(-)
diff --git a/module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/stereo3d.h b/module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/stereo3d.h
new file mode 100644
index 0000000..d421aac
--- /dev/null
+++ b/module/VideoPlayer/lib/linux/ffmpeg/include/libavutil/stereo3d.h
@@ -0,0 +1,233 @@
+/*
+ * Copyright (c) 2013 Vittorio Giovara <vittorio.giovara@gmail.com>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+/**
+ * @file
+ * Stereoscopic video
+ */
+
+#ifndef AVUTIL_STEREO3D_H
+#define AVUTIL_STEREO3D_H
+
+#include <stdint.h>
+
+#include "frame.h"
+
+/**
+ * @addtogroup lavu_video
+ * @{
+ *
+ * @defgroup lavu_video_stereo3d Stereo3D types and functions
+ * @{
+ */
+
+/**
+ * @addtogroup lavu_video_stereo3d
+ * A stereoscopic video file consists in multiple views embedded in a single
+ * frame, usually describing two views of a scene. This file describes all
+ * possible codec-independent view arrangements.
+ * */
+
+/**
+ * List of possible 3D Types
+ */
+enum AVStereo3DType {
+ /**
+ * Video is not stereoscopic (and metadata has to be there).
+ */
+ AV_STEREO3D_2D,
+
+ /**
+ * Views are next to each other.
+ *
+ * @code{.unparsed}
+ * LLLLRRRR
+ * LLLLRRRR
+ * LLLLRRRR
+ * ...
+ * @endcode
+ */
+ AV_STEREO3D_SIDEBYSIDE,
+
+ /**
+ * Views are on top of each other.
+ *
+ * @code{.unparsed}
+ * LLLLLLLL
+ * LLLLLLLL
+ * RRRRRRRR
+ * RRRRRRRR
+ * @endcode
+ */
+ AV_STEREO3D_TOPBOTTOM,
+
+ /**
+ * Views are alternated temporally.
+ *
+ * @code{.unparsed}
+ * frame0 frame1 frame2 ...
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * LLLLLLLL RRRRRRRR LLLLLLLL
+ * ... ... ...
+ * @endcode
+ */
+ AV_STEREO3D_FRAMESEQUENCE,
+
+ /**
+ * Views are packed in a checkerboard-like structure per pixel.
+ *
+ * @code{.unparsed}
+ * LRLRLRLR
+ * RLRLRLRL
+ * LRLRLRLR
+ * ...
+ * @endcode
+ */
+ AV_STEREO3D_CHECKERBOARD,
+
+ /**
+ * Views are next to each other, but when upscaling
+ * apply a checkerboard pattern.
+ *
+ * @code{.unparsed}
+ * LLLLRRRR L L L L R R R R
+ * LLLLRRRR => L L L L R R R R
+ * LLLLRRRR L L L L R R R R
+ * LLLLRRRR L L L L R R R R
+ * @endcode
+ */
+ AV_STEREO3D_SIDEBYSIDE_QUINCUNX,
+
+ /**
+ * Views are packed per line, as if interlaced.
+ *
+ * @code{.unparsed}
+ * LLLLLLLL
+ * RRRRRRRR
+ * LLLLLLLL
+ * ...
+ * @endcode
+ */
+ AV_STEREO3D_LINES,
+
+ /**
+ * Views are packed per column.
+ *
+ * @code{.unparsed}
+ * LRLRLRLR
+ * LRLRLRLR
+ * LRLRLRLR
+ * ...
+ * @endcode
+ */
+ AV_STEREO3D_COLUMNS,
+};
+
+/**
+ * List of possible view types.
+ */
+enum AVStereo3DView {
+ /**
+ * Frame contains two packed views.
+ */
+ AV_STEREO3D_VIEW_PACKED,
+
+ /**
+ * Frame contains only the left view.
+ */
+ AV_STEREO3D_VIEW_LEFT,
+
+ /**
+ * Frame contains only the right view.
+ */
+ AV_STEREO3D_VIEW_RIGHT,
+};
+
+/**
+ * Inverted views, Right/Bottom represents the left view.
+ */
+#define AV_STEREO3D_FLAG_INVERT (1 << 0)
+
+/**
+ * Stereo 3D type: this structure describes how two videos are packed
+ * within a single video surface, with additional information as needed.
+ *
+ * @note The struct must be allocated with av_stereo3d_alloc() and
+ * its size is not a part of the public ABI.
+ */
+typedef struct AVStereo3D {
+ /**
+ * How views are packed within the video.
+ */
+ enum AVStereo3DType type;
+
+ /**
+ * Additional information about the frame packing.
+ */
+ int flags;
+
+ /**
+ * Determines which views are packed.
+ */
+ enum AVStereo3DView view;
+} AVStereo3D;
+
+/**
+ * Allocate an AVStereo3D structure and set its fields to default values.
+ * The resulting struct can be freed using av_freep().
+ *
+ * @return An AVStereo3D filled with default values or NULL on failure.
+ */
+AVStereo3D *av_stereo3d_alloc(void);
+
+/**
+ * Allocate a complete AVFrameSideData and add it to the frame.
+ *
+ * @param frame The frame which side data is added to.
+ *
+ * @return The AVStereo3D structure to be filled by caller.
+ */
+AVStereo3D *av_stereo3d_create_side_data(AVFrame *frame);
+
+/**
+ * Provide a human-readable name of a given stereo3d type.
+ *
+ * @param type The input stereo3d type value.
+ *
+ * @return The name of the stereo3d value, or "unknown".
+ */
+const char *av_stereo3d_type_name(unsigned int type);
+
+/**
+ * Get the AVStereo3DType form a human-readable name.
+ *
+ * @param name The input string.
+ *
+ * @return The AVStereo3DType value, or -1 if not found.
+ */
+int av_stereo3d_from_name(const char *name);
+
+/**
+ * @}
+ * @}
+ */
+
+#endif /* AVUTIL_STEREO3D_H */
--
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