59 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2023 Intel Corporation
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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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| 
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| #ifndef AVCODEC_AV1_LEVELS_H
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| #define AVCODEC_AV1_LEVELS_H
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| 
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| #include <stdint.h>
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| 
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| typedef struct AV1LevelDescriptor {
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|     char     name[4];
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|     uint8_t  level_idx;
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| 
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|     uint32_t max_pic_size;
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|     uint32_t max_h_size;
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|     uint32_t max_v_size;
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|     uint64_t max_display_rate;
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|     uint64_t max_decode_rate;
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| 
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|     uint32_t max_header_rate;
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|     float    main_mbps;
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|     float    high_mbps;
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|     uint32_t main_cr;
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|     uint32_t high_cr;
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|     uint32_t max_tiles;
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|     uint32_t max_tile_cols;
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| } AV1LevelDescriptor;
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| 
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| /**
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|  * Guess the level of a stream from some parameters.
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|  *
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|  * Unknown parameters may be zero, in which case they will be ignored.
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|  */
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| const AV1LevelDescriptor *ff_av1_guess_level(int64_t bitrate,
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|                                              int tier,
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|                                              int width,
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|                                              int height,
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|                                              int tile_rows,
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|                                              int tile_cols,
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|                                              float fps);
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| 
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| #endif /* AVCODEC_AV1_LEVELS_H */
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