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Rename ffmpeg-4.2-fit to ffmpeg-4-fit
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720 changed files with 14 additions and 14 deletions
128
trunk/3rdparty/ffmpeg-4-fit/libavutil/mastering_display_metadata.h
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trunk/3rdparty/ffmpeg-4-fit/libavutil/mastering_display_metadata.h
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/*
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* Copyright (c) 2016 Neil Birkbeck <neil.birkbeck@gmail.com>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVUTIL_MASTERING_DISPLAY_METADATA_H
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#define AVUTIL_MASTERING_DISPLAY_METADATA_H
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#include "frame.h"
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#include "rational.h"
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/**
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* Mastering display metadata capable of representing the color volume of
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* the display used to master the content (SMPTE 2086:2014).
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*
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* To be used as payload of a AVFrameSideData or AVPacketSideData with the
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* appropriate type.
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*
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* @note The struct should be allocated with av_mastering_display_metadata_alloc()
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* and its size is not a part of the public ABI.
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*/
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typedef struct AVMasteringDisplayMetadata {
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/**
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* CIE 1931 xy chromaticity coords of color primaries (r, g, b order).
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*/
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AVRational display_primaries[3][2];
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/**
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* CIE 1931 xy chromaticity coords of white point.
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*/
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AVRational white_point[2];
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/**
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* Min luminance of mastering display (cd/m^2).
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*/
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AVRational min_luminance;
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/**
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* Max luminance of mastering display (cd/m^2).
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*/
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AVRational max_luminance;
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/**
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* Flag indicating whether the display primaries (and white point) are set.
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*/
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int has_primaries;
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/**
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* Flag indicating whether the luminance (min_ and max_) have been set.
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*/
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int has_luminance;
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} AVMasteringDisplayMetadata;
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/**
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* Allocate an AVMasteringDisplayMetadata structure and set its fields to
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* default values. The resulting struct can be freed using av_freep().
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*
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* @return An AVMasteringDisplayMetadata filled with default values or NULL
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* on failure.
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*/
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AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void);
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/**
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* Allocate a complete AVMasteringDisplayMetadata and add it to the frame.
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*
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* @param frame The frame which side data is added to.
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*
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* @return The AVMasteringDisplayMetadata structure to be filled by caller.
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*/
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AVMasteringDisplayMetadata *av_mastering_display_metadata_create_side_data(AVFrame *frame);
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/**
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* Content light level needed by to transmit HDR over HDMI (CTA-861.3).
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*
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* To be used as payload of a AVFrameSideData or AVPacketSideData with the
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* appropriate type.
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*
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* @note The struct should be allocated with av_content_light_metadata_alloc()
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* and its size is not a part of the public ABI.
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*/
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typedef struct AVContentLightMetadata {
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/**
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* Max content light level (cd/m^2).
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*/
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unsigned MaxCLL;
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/**
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* Max average light level per frame (cd/m^2).
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*/
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unsigned MaxFALL;
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} AVContentLightMetadata;
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/**
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* Allocate an AVContentLightMetadata structure and set its fields to
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* default values. The resulting struct can be freed using av_freep().
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*
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* @return An AVContentLightMetadata filled with default values or NULL
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* on failure.
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*/
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AVContentLightMetadata *av_content_light_metadata_alloc(size_t *size);
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/**
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* Allocate a complete AVContentLightMetadata and add it to the frame.
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*
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* @param frame The frame which side data is added to.
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*
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* @return The AVContentLightMetadata structure to be filled by caller.
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*/
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AVContentLightMetadata *av_content_light_metadata_create_side_data(AVFrame *frame);
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#endif /* AVUTIL_MASTERING_DISPLAY_METADATA_H */
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