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The dynamic metadata contains data for color volume transform - application 4 of SMPTE 2094-40:2016 standard. The data comes from HEVC in the SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/**
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* Copyright (c) 2018 Mohammad Izadi <moh.izadi at 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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#include "hdr_dynamic_metadata.h"
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#include "mem.h"
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AVDynamicHDRPlus *av_dynamic_hdr_plus_alloc(size_t *size)
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{
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AVDynamicHDRPlus *hdr_plus = av_mallocz(sizeof(AVDynamicHDRPlus));
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if (!hdr_plus)
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return NULL;
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if (size)
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*size = sizeof(*hdr_plus);
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return hdr_plus;
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}
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AVDynamicHDRPlus *av_dynamic_hdr_plus_create_side_data(AVFrame *frame)
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{
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AVFrameSideData *side_data = av_frame_new_side_data(frame,
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AV_FRAME_DATA_DYNAMIC_HDR_PLUS,
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sizeof(AVDynamicHDRPlus));
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if (!side_data)
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return NULL;
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memset(side_data->data, 0, sizeof(AVDynamicHDRPlus));
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return (AVDynamicHDRPlus *)side_data->data;
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}
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