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qpeldsp.h
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1 /*
2  * quarterpel DSP functions
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 /**
22  * @file
23  * quarterpel DSP functions
24  */
25 
26 #ifndef AVCODEC_QPELDSP_H
27 #define AVCODEC_QPELDSP_H
28 
29 #include <stddef.h>
30 #include <stdint.h>
31 
32 void ff_put_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
33 void ff_avg_pixels8x8_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
34 void ff_put_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
35 void ff_avg_pixels16x16_c(uint8_t *dst, uint8_t *src, ptrdiff_t stride);
36 
37 void ff_put_pixels8_l2_8(uint8_t *dst, const uint8_t *src1, const uint8_t *src2,
38  int dst_stride, int src_stride1, int src_stride2,
39  int h);
40 
41 #define DEF_OLD_QPEL(name) \
42  void ff_put_ ## name(uint8_t *dst /* align width (8 or 16) */, \
43  uint8_t *src /* align 1 */, ptrdiff_t stride); \
44  void ff_put_no_rnd_ ## name(uint8_t *dst /* align width (8 or 16) */, \
45  uint8_t *src /* align 1 */, ptrdiff_t stride); \
46  void ff_avg_ ## name(uint8_t *dst /* align width (8 or 16) */, \
47  uint8_t *src /* align 1 */, ptrdiff_t stride);
48 
49 DEF_OLD_QPEL(qpel16_mc11_old_c)
50 DEF_OLD_QPEL(qpel16_mc31_old_c)
51 DEF_OLD_QPEL(qpel16_mc12_old_c)
52 DEF_OLD_QPEL(qpel16_mc32_old_c)
53 DEF_OLD_QPEL(qpel16_mc13_old_c)
54 DEF_OLD_QPEL(qpel16_mc33_old_c)
55 DEF_OLD_QPEL(qpel8_mc11_old_c)
56 DEF_OLD_QPEL(qpel8_mc31_old_c)
57 DEF_OLD_QPEL(qpel8_mc12_old_c)
58 DEF_OLD_QPEL(qpel8_mc32_old_c)
59 DEF_OLD_QPEL(qpel8_mc13_old_c)
60 DEF_OLD_QPEL(qpel8_mc33_old_c)
61 
62 typedef void (*qpel_mc_func)(uint8_t *dst /* align width (8 or 16) */,
63  uint8_t *src /* align 1 */, ptrdiff_t stride);
64 
65 /**
66  * quarterpel DSP context
67  */
68 typedef struct QpelDSPContext {
69  qpel_mc_func put_qpel_pixels_tab[2][16];
70  qpel_mc_func avg_qpel_pixels_tab[2][16];
71  qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
73 
75 
77 
78 #endif /* AVCODEC_QPELDSP_H */