mirror of
				https://github.com/ossrs/srs.git
				synced 2025-03-09 15:49:59 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			66 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			66 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /**
 | |
|  * 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
 | |
|  */
 | |
| 
 | |
| #include <stdint.h>
 | |
| #include <string.h>
 | |
| 
 | |
| #include "mastering_display_metadata.h"
 | |
| #include "mem.h"
 | |
| 
 | |
| AVMasteringDisplayMetadata *av_mastering_display_metadata_alloc(void)
 | |
| {
 | |
|     return av_mallocz(sizeof(AVMasteringDisplayMetadata));
 | |
| }
 | |
| 
 | |
| AVMasteringDisplayMetadata *av_mastering_display_metadata_create_side_data(AVFrame *frame)
 | |
| {
 | |
|     AVFrameSideData *side_data = av_frame_new_side_data(frame,
 | |
|                                                         AV_FRAME_DATA_MASTERING_DISPLAY_METADATA,
 | |
|                                                         sizeof(AVMasteringDisplayMetadata));
 | |
|     if (!side_data)
 | |
|         return NULL;
 | |
| 
 | |
|     memset(side_data->data, 0, sizeof(AVMasteringDisplayMetadata));
 | |
| 
 | |
|     return (AVMasteringDisplayMetadata *)side_data->data;
 | |
| }
 | |
| 
 | |
| AVContentLightMetadata *av_content_light_metadata_alloc(size_t *size)
 | |
| {
 | |
|     AVContentLightMetadata *metadata = av_mallocz(sizeof(AVContentLightMetadata));
 | |
| 
 | |
|     if (size)
 | |
|         *size = sizeof(*metadata);
 | |
| 
 | |
|     return metadata;
 | |
| }
 | |
| 
 | |
| AVContentLightMetadata *av_content_light_metadata_create_side_data(AVFrame *frame)
 | |
| {
 | |
|     AVFrameSideData *side_data = av_frame_new_side_data(frame,
 | |
|                                                         AV_FRAME_DATA_CONTENT_LIGHT_LEVEL,
 | |
|                                                         sizeof(AVContentLightMetadata));
 | |
|     if (!side_data)
 | |
|         return NULL;
 | |
| 
 | |
|     memset(side_data->data, 0, sizeof(AVContentLightMetadata));
 | |
| 
 | |
|     return (AVContentLightMetadata *)side_data->data;
 | |
| }
 |