You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
153 lines
3.6 KiB
153 lines
3.6 KiB
/*
|
|
* 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
|
|
*/
|
|
|
|
#ifndef AVUTIL_STEREO3D_H
|
|
#define AVUTIL_STEREO3D_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "frame.h"
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* LLLLRRRR
|
|
* LLLLRRRR
|
|
* LLLLRRRR
|
|
* ...
|
|
*/
|
|
AV_STEREO3D_SIDEBYSIDE,
|
|
|
|
/**
|
|
* Views are on top of each other.
|
|
*
|
|
* LLLLLLLL
|
|
* LLLLLLLL
|
|
* RRRRRRRR
|
|
* RRRRRRRR
|
|
*/
|
|
AV_STEREO3D_TOPBOTTOM,
|
|
|
|
/**
|
|
* Views are alternated temporally.
|
|
*
|
|
* frame0 frame1 frame2 ...
|
|
* LLLLLLLL RRRRRRRR LLLLLLLL
|
|
* LLLLLLLL RRRRRRRR LLLLLLLL
|
|
* LLLLLLLL RRRRRRRR LLLLLLLL
|
|
* ... ... ...
|
|
*/
|
|
AV_STEREO3D_FRAMESEQUENCE,
|
|
|
|
/**
|
|
* Views are packed in a checkerboard-like structure per pixel.
|
|
*
|
|
* LRLRLRLR
|
|
* RLRLRLRL
|
|
* LRLRLRLR
|
|
* ...
|
|
*/
|
|
AV_STEREO3D_CHECKERBOARD,
|
|
|
|
/**
|
|
* Views are next to each other, but when upscaling
|
|
* apply a checkerboard pattern.
|
|
*
|
|
* 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
|
|
*/
|
|
AV_STEREO3D_SIDEBYSIDE_QUINCUNX,
|
|
|
|
/**
|
|
* Views are packed per line, as if interlaced.
|
|
*
|
|
* LLLLLLLL
|
|
* RRRRRRRR
|
|
* LLLLLLLL
|
|
* ...
|
|
*/
|
|
AV_STEREO3D_LINES,
|
|
|
|
/**
|
|
* Views are packed per column.
|
|
*
|
|
* LRLRLRLR
|
|
* LRLRLRLR
|
|
* LRLRLRLR
|
|
* ...
|
|
*/
|
|
AV_STEREO3D_COLUMNS,
|
|
};
|
|
|
|
|
|
/**
|
|
* 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;
|
|
} 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);
|
|
|
|
#endif /* AVUTIL_STEREO3D_H */
|