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78dc21b123
In order to be able to extend this struct later (as the Dolby Vision RPU evolves), all of the 'container' structs are considered extensible, and the individual constituent fields must instead be accessed via offsets. The precedent for this style of access is set in <libavutil/detection_bbox.h> Signed-off-by: Niklas Haas <git@haasn.dev> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*
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* Copyright (c) 2020 Jun Zhao<barryjzhao@tencent.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 "dovi_meta.h"
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#include "mem.h"
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AVDOVIDecoderConfigurationRecord *av_dovi_alloc(size_t *size)
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{
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AVDOVIDecoderConfigurationRecord *dovi =
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av_mallocz(sizeof(AVDOVIDecoderConfigurationRecord));
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if (!dovi)
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return NULL;
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if (size)
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*size = sizeof(*dovi);
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return dovi;
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}
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typedef struct AVDOVIMetadataInternal {
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AVDOVIMetadata metadata;
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AVDOVIRpuDataHeader header;
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AVDOVIDataMapping mapping;
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AVDOVIColorMetadata color;
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} AVDOVIMetadataInternal;
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AVDOVIMetadata *av_dovi_metadata_alloc(size_t *size)
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{
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AVDOVIMetadataInternal *dovi = av_mallocz(sizeof(AVDOVIMetadataInternal));
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if (!dovi)
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return NULL;
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if (size)
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*size = sizeof(*dovi);
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dovi->metadata = (struct AVDOVIMetadata) {
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.header_offset = offsetof(AVDOVIMetadataInternal, header),
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.mapping_offset = offsetof(AVDOVIMetadataInternal, mapping),
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.color_offset = offsetof(AVDOVIMetadataInternal, color),
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};
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return &dovi->metadata;
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}
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