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	ea41e6d637
	
	
	
		
			
			* commit '9c12c6ff9539e926df0b2a2299e915ae71872600':
  motion_est: convert stride to ptrdiff_t
Conflicts:
	libavcodec/me_cmp.c
	libavcodec/ppc/me_cmp.c
	libavcodec/x86/me_cmp_init.c
See: 9c669672c7
Merged-by: Michael Niedermayer <michaelni@gmx.at>
		
	
		
			
				
	
	
		
			96 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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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_ME_CMP_H
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| #define AVCODEC_ME_CMP_H
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| 
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| #include <stdint.h>
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| 
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| #include "avcodec.h"
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| 
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| extern uint32_t ff_square_tab[512];
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| 
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| 
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| /* minimum alignment rules ;)
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|  * If you notice errors in the align stuff, need more alignment for some ASM code
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|  * for some CPU or need to use a function with less aligned data then send a mail
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|  * to the ffmpeg-devel mailing list, ...
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|  *
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|  * !warning These alignments might not match reality, (missing attribute((align))
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|  * stuff somewhere possible).
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|  * I (Michael) did not check them, these are just the alignments which I think
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|  * could be reached easily ...
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|  *
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|  * !future video codecs might need functions with less strict alignment
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|  */
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| 
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| struct MpegEncContext;
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| /* Motion estimation:
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|  * h is limited to { width / 2, width, 2 * width },
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|  * but never larger than 16 and never smaller than 2.
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|  * Although currently h < 4 is not used as functions with
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|  * width < 8 are neither used nor implemented. */
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| typedef int (*me_cmp_func)(struct MpegEncContext *c,
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|                            uint8_t *blk1 /* align width (8 or 16) */,
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|                            uint8_t *blk2 /* align 1 */, ptrdiff_t stride,
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|                            int h);
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| 
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| typedef struct MECmpContext {
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|     int (*sum_abs_dctelem)(int16_t *block /* align 16 */);
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| 
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|     me_cmp_func sad[6]; /* identical to pix_absAxA except additional void * */
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|     me_cmp_func sse[6];
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|     me_cmp_func hadamard8_diff[6];
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|     me_cmp_func dct_sad[6];
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|     me_cmp_func quant_psnr[6];
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|     me_cmp_func bit[6];
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|     me_cmp_func rd[6];
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|     me_cmp_func vsad[6];
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|     me_cmp_func vsse[6];
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|     me_cmp_func nsse[6];
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|     me_cmp_func w53[6];
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|     me_cmp_func w97[6];
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|     me_cmp_func dct_max[6];
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|     me_cmp_func dct264_sad[6];
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| 
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|     me_cmp_func me_pre_cmp[6];
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|     me_cmp_func me_cmp[6];
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|     me_cmp_func me_sub_cmp[6];
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|     me_cmp_func mb_cmp[6];
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|     me_cmp_func ildct_cmp[6]; // only width 16 used
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|     me_cmp_func frame_skip_cmp[6]; // only width 8 used
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| 
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|     me_cmp_func pix_abs[2][4];
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| } MECmpContext;
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| 
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| void ff_me_cmp_init_static(void);
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| 
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| int ff_check_alignment(void);
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| 
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| void ff_me_cmp_init(MECmpContext *c, AVCodecContext *avctx);
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| void ff_me_cmp_init_alpha(MECmpContext *c, AVCodecContext *avctx);
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| void ff_me_cmp_init_arm(MECmpContext *c, AVCodecContext *avctx);
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| void ff_me_cmp_init_ppc(MECmpContext *c, AVCodecContext *avctx);
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| void ff_me_cmp_init_x86(MECmpContext *c, AVCodecContext *avctx);
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| 
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| void ff_set_cmp(MECmpContext *c, me_cmp_func *cmp, int type);
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| 
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| void ff_dsputil_init_dwt(MECmpContext *c);
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| 
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| #endif /* AVCODEC_ME_CMP_H */
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