/* * 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
*/
/** * 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.
*/ typedefstruct 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 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_size(size_t *size);
/** * 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);
/** * Content light level needed by to transmit HDR over HDMI (CTA-861.3). * * To be used as payload of a AVFrameSideData or AVPacketSideData with the * appropriate type. * * @note The struct should be allocated with av_content_light_metadata_alloc() * and its size is not a part of the public ABI.
*/ typedefstruct AVContentLightMetadata { /** * Max content light level (cd/m^2).
*/ unsigned MaxCLL;
/** * Max average light level per frame (cd/m^2).
*/ unsigned MaxFALL;
} AVContentLightMetadata;
/** * Allocate an AVContentLightMetadata structure and set its fields to * default values. The resulting struct can be freed using av_freep(). * * @return An AVContentLightMetadata filled with default values or NULL * on failure.
*/
AVContentLightMetadata *av_content_light_metadata_alloc(size_t *size);
/** * Allocate a complete AVContentLightMetadata and add it to the frame. * * @param frame The frame which side data is added to. * * @return The AVContentLightMetadata structure to be filled by caller.
*/
AVContentLightMetadata *av_content_light_metadata_create_side_data(AVFrame *frame);
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