/* * Copyright (c) 2020 Jun Zhao<barryjzhao@tencent.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 */ #include <string.h> #include "dovi_meta.h" #include "mem.h" AVDOVIDecoderConfigurationRecord *av_dovi_alloc(size_t *size) { AVDOVIDecoderConfigurationRecord *dovi = av_mallocz(sizeof(AVDOVIDecoderConfigurationRecord)); if (!dovi) return NULL; if (size) *size = sizeof(*dovi); return dovi; } typedef struct AVDOVIMetadataInternal { AVDOVIMetadata metadata; AVDOVIRpuDataHeader header; AVDOVIDataMapping mapping; AVDOVIColorMetadata color; AVDOVIDmData ext_blocks[AV_DOVI_MAX_EXT_BLOCKS]; } AVDOVIMetadataInternal; AVDOVIMetadata *av_dovi_metadata_alloc(size_t *size) { AVDOVIMetadataInternal *dovi = av_mallocz(sizeof(AVDOVIMetadataInternal)); if (!dovi) return NULL; if (size) *size = sizeof(*dovi); dovi->metadata = (struct AVDOVIMetadata) { .header_offset = offsetof(AVDOVIMetadataInternal, header), .mapping_offset = offsetof(AVDOVIMetadataInternal, mapping), .color_offset = offsetof(AVDOVIMetadataInternal, color), .ext_block_offset = offsetof(AVDOVIMetadataInternal, ext_blocks), .ext_block_size = sizeof(AVDOVIDmData), }; return &dovi->metadata; } AVDOVIDmData *av_dovi_find_level(const AVDOVIMetadata *data, uint8_t level) { for (int i = 0; i < data->num_ext_blocks; i++) { AVDOVIDmData *ext = av_dovi_get_ext(data, i); if (ext->level == level) return ext; } return NULL; }