mirror of
				https://github.com/nyanmisaka/ffmpeg-rockchip.git
				synced 2025-11-01 04:53:04 +08:00 
			
		
		
		
	 22526c1f55
			
		
	
	22526c1f55
	
	
	
		
			
			Based on work by Kostya Shishkov <kostya.shishkov@gmail.com>. Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
		
			
				
	
	
		
			39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			39 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * Canopus HQ/HQA decoder
 | |
|  *
 | |
|  * This file is part of Libav.
 | |
|  *
 | |
|  * Libav 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.
 | |
|  *
 | |
|  * Libav 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 Libav; if not, write to the Free Software
 | |
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 | |
|  */
 | |
| 
 | |
| /**
 | |
|  * @file
 | |
|  * HQ/HQA variant of AAN IDCT
 | |
|  * It differs from the standard AAN IDCT in precision and in the second stage.
 | |
|  */
 | |
| 
 | |
| #ifndef AVCODEC_HQ_HQADSP_H
 | |
| #define AVCODEC_HQ_HQADSP_H
 | |
| 
 | |
| #include <stdint.h>
 | |
| 
 | |
| typedef struct HQDSPContext {
 | |
|     void (*idct_put)(uint8_t *dst, int stride, int16_t *block);
 | |
| } HQDSPContext;
 | |
| 
 | |
| void ff_hqdsp_init(HQDSPContext *c);
 | |
| 
 | |
| #endif /* AVCODEC_HQ_HQADSP_H */
 |