mirror of
https://gitee.com/openharmony/third_party_ffmpeg
synced 2024-11-23 19:30:05 +00:00
c323c98ee3
(this structure is not referenced anywhere yet) Signed-off-by: Neil Birkbeck <neil.birkbeck@gmail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/**
|
|
* Copyright (c) 2016 Neil Birkbeck <neil.birkbeck@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_MASTERING_DISPLAY_METADATA_H
|
|
#define AVUTIL_MASTERING_DISPLAY_METADATA_H
|
|
|
|
#include "frame.h"
|
|
#include "rational.h"
|
|
|
|
|
|
/**
|
|
* Mastering display metadata capable of representing the color volume of
|
|
* the display used to master the content (SMPTE 2086:2014).
|
|
*
|
|
* To be used as payload of a AVFrameSideData or AVPacketSideData with the
|
|
* appropriate type.
|
|
*
|
|
* @note The struct should be allocated with av_mastering_display_metadata_alloc()
|
|
* and its size is not a part of the public ABI.
|
|
*/
|
|
typedef struct AVMasteringDisplayMetadata {
|
|
/**
|
|
* CIE 1931 xy chromaticity coords of color primaries (r, g, b order).
|
|
*/
|
|
AVRational display_primaries[3][2];
|
|
|
|
/**
|
|
* CIE 1931 xy chromaticity coords of white point.
|
|
*/
|
|
AVRational white_point[2];
|
|
|
|
/**
|
|
* Min luminance of mastering display (cd/m^2).
|
|
*/
|
|
AVRational min_luminance;
|
|
|
|
/**
|
|
* Max luminance of mastering display (cd/m^2).
|
|
*/
|
|
AVRational max_luminance;
|
|
|
|
/**
|
|
* Flag indicating whether the display primaries (and white point) are set.
|
|
*/
|
|
int has_primaries;
|
|
|
|
/**
|
|
* Flag indicating whether the luminance (min_ and max_) have been set.
|
|
*/
|
|
int has_luminance;
|
|
|
|
} AVMasteringDisplayMetadata;
|
|
|
|
/**
|
|
* Allocate an AVMasteringDisplayMetadata structure and set its fields to
|
|
* default values. The resulting struct can be freed using av_freep().
|
|
*
|
|
* @return An AVMasteringDisplayMetadata filled with default values or NULL
|
|
* on failure.
|
|
*/
|
|
AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void);
|
|
|
|
/**
|
|
* Allocate a complete AVMasteringDisplayMetadata and add it to the frame.
|
|
*
|
|
* @param frame The frame which side data is added to.
|
|
*
|
|
* @return The AVMasteringDisplayMetadata structure to be filled by caller.
|
|
*/
|
|
AVMasteringDisplayMetadata *av_mastering_display_metadata_create_side_data(AVFrame *frame);
|
|
|
|
#endif /* AVUTIL_MASTERING_DISPLAY_METADATA_H */
|