2 * quarterpel DSP functions
4 * This file is part of FFmpeg.
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.
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.
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
23 * quarterpel DSP functions
26 #ifndef AVCODEC_QPELDSP_H
27 #define AVCODEC_QPELDSP_H
32 void ff_put_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
33 void ff_avg_pixels8x8_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
34 void ff_put_pixels16x16_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
35 void ff_avg_pixels16x16_c(uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
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,
41 #define DEF_OLD_QPEL(name) \
42 void ff_put_ ## name(uint8_t *dst /* align width (8 or 16) */, \
43 const uint8_t *src /* align 1 */, \
45 void ff_put_no_rnd_ ## name(uint8_t *dst /* align width (8 or 16) */, \
46 const uint8_t *src /* align 1 */, \
48 void ff_avg_ ## name(uint8_t *dst /* align width (8 or 16) */, \
49 const uint8_t *src /* align 1 */, \
52 DEF_OLD_QPEL(qpel16_mc11_old_c)
53 DEF_OLD_QPEL(qpel16_mc31_old_c)
54 DEF_OLD_QPEL(qpel16_mc12_old_c)
55 DEF_OLD_QPEL(qpel16_mc32_old_c)
56 DEF_OLD_QPEL(qpel16_mc13_old_c)
57 DEF_OLD_QPEL(qpel16_mc33_old_c)
58 DEF_OLD_QPEL(qpel8_mc11_old_c)
59 DEF_OLD_QPEL(qpel8_mc31_old_c)
60 DEF_OLD_QPEL(qpel8_mc12_old_c)
61 DEF_OLD_QPEL(qpel8_mc32_old_c)
62 DEF_OLD_QPEL(qpel8_mc13_old_c)
63 DEF_OLD_QPEL(qpel8_mc33_old_c)
65 typedef void (*qpel_mc_func)(uint8_t *dst /* align width (8 or 16) */,
66 const uint8_t *src /* align 1 */,
70 * quarterpel DSP context
72 typedef struct QpelDSPContext {
73 qpel_mc_func put_qpel_pixels_tab[2][16];
74 qpel_mc_func avg_qpel_pixels_tab[2][16];
75 qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];
78 void ff_qpeldsp_init(QpelDSPContext *c);
80 void ff_qpeldsp_init_x86(QpelDSPContext *c);
81 void ff_qpeldsp_init_mips(QpelDSPContext *c);
83 #endif /* AVCODEC_QPELDSP_H */