FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
idctdsp_msa.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2015 Manojkumar Bhosale (Manojkumar.Bhosale@imgtec.com)
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 
22 #include "idctdsp_mips.h"
23 
24 static void put_pixels_clamped_msa(const int16_t *block, uint8_t *pixels,
26 {
27  uint64_t in0_d, in1_d, in2_d, in3_d, in4_d, in5_d, in6_d, in7_d;
28  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
29 
30  LD_SH8(block, 8, in0, in1, in2, in3, in4, in5, in6, in7);
31  CLIP_SH4_0_255(in0, in1, in2, in3);
32  CLIP_SH4_0_255(in4, in5, in6, in7);
33  PCKEV_B4_SH(in0, in0, in1, in1, in2, in2, in3, in3, in0, in1, in2, in3);
34  PCKEV_B4_SH(in4, in4, in5, in5, in6, in6, in7, in7, in4, in5, in6, in7);
35 
36  in0_d = __msa_copy_u_d((v2i64) in0, 0);
37  in1_d = __msa_copy_u_d((v2i64) in1, 0);
38  in2_d = __msa_copy_u_d((v2i64) in2, 0);
39  in3_d = __msa_copy_u_d((v2i64) in3, 0);
40  in4_d = __msa_copy_u_d((v2i64) in4, 0);
41  in5_d = __msa_copy_u_d((v2i64) in5, 0);
42  in6_d = __msa_copy_u_d((v2i64) in6, 0);
43  in7_d = __msa_copy_u_d((v2i64) in7, 0);
44  SD4(in0_d, in1_d, in2_d, in3_d, pixels, stride);
45  pixels += 4 * stride;
46  SD4(in4_d, in5_d, in6_d, in7_d, pixels, stride);
47 }
48 
49 static void put_signed_pixels_clamped_msa(const int16_t *block, uint8_t *pixels,
51 {
52  uint64_t in0_d, in1_d, in2_d, in3_d, in4_d, in5_d, in6_d, in7_d;
53  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
54 
55  LD_SH8(block, 8, in0, in1, in2, in3, in4, in5, in6, in7);
56 
57  in0 += 128;
58  in1 += 128;
59  in2 += 128;
60  in3 += 128;
61  in4 += 128;
62  in5 += 128;
63  in6 += 128;
64  in7 += 128;
65 
66  CLIP_SH4_0_255(in0, in1, in2, in3);
67  CLIP_SH4_0_255(in4, in5, in6, in7);
68  PCKEV_B4_SH(in0, in0, in1, in1, in2, in2, in3, in3, in0, in1, in2, in3);
69  PCKEV_B4_SH(in4, in4, in5, in5, in6, in6, in7, in7, in4, in5, in6, in7);
70 
71  in0_d = __msa_copy_u_d((v2i64) in0, 0);
72  in1_d = __msa_copy_u_d((v2i64) in1, 0);
73  in2_d = __msa_copy_u_d((v2i64) in2, 0);
74  in3_d = __msa_copy_u_d((v2i64) in3, 0);
75  in4_d = __msa_copy_u_d((v2i64) in4, 0);
76  in5_d = __msa_copy_u_d((v2i64) in5, 0);
77  in6_d = __msa_copy_u_d((v2i64) in6, 0);
78  in7_d = __msa_copy_u_d((v2i64) in7, 0);
79  SD4(in0_d, in1_d, in2_d, in3_d, pixels, stride);
80  pixels += 4 * stride;
81  SD4(in4_d, in5_d, in6_d, in7_d, pixels, stride);
82 }
83 
84 static void add_pixels_clamped_msa(const int16_t *block, uint8_t *pixels,
86 {
87  uint64_t in0_d, in1_d, in2_d, in3_d, in4_d, in5_d, in6_d, in7_d;
88  v8i16 in0, in1, in2, in3, in4, in5, in6, in7;
89  v16u8 pix_in0, pix_in1, pix_in2, pix_in3;
90  v16u8 pix_in4, pix_in5, pix_in6, pix_in7;
91  v8u16 pix0, pix1, pix2, pix3, pix4, pix5, pix6, pix7;
92  v8i16 zero = { 0 };
93 
94  LD_SH8(block, 8, in0, in1, in2, in3, in4, in5, in6, in7);
95  LD_UB8(pixels, stride, pix_in0, pix_in1, pix_in2,
96  pix_in3, pix_in4, pix_in5, pix_in6, pix_in7);
97 
98  ILVR_B4_UH(zero, pix_in0, zero, pix_in1, zero, pix_in2, zero, pix_in3,
99  pix0, pix1, pix2, pix3);
100  ILVR_B4_UH(zero, pix_in4, zero, pix_in5, zero, pix_in6, zero, pix_in7,
101  pix4, pix5, pix6, pix7);
102 
103  in0 += (v8i16) pix0;
104  in1 += (v8i16) pix1;
105  in2 += (v8i16) pix2;
106  in3 += (v8i16) pix3;
107  in4 += (v8i16) pix4;
108  in5 += (v8i16) pix5;
109  in6 += (v8i16) pix6;
110  in7 += (v8i16) pix7;
111 
112  CLIP_SH4_0_255(in0, in1, in2, in3);
113  CLIP_SH4_0_255(in4, in5, in6, in7);
114  PCKEV_B4_SH(in0, in0, in1, in1, in2, in2, in3, in3, in0, in1, in2, in3);
115  PCKEV_B4_SH(in4, in4, in5, in5, in6, in6, in7, in7, in4, in5, in6, in7);
116 
117  in0_d = __msa_copy_u_d((v2i64) in0, 0);
118  in1_d = __msa_copy_u_d((v2i64) in1, 0);
119  in2_d = __msa_copy_u_d((v2i64) in2, 0);
120  in3_d = __msa_copy_u_d((v2i64) in3, 0);
121  in4_d = __msa_copy_u_d((v2i64) in4, 0);
122  in5_d = __msa_copy_u_d((v2i64) in5, 0);
123  in6_d = __msa_copy_u_d((v2i64) in6, 0);
124  in7_d = __msa_copy_u_d((v2i64) in7, 0);
125  SD4(in0_d, in1_d, in2_d, in3_d, pixels, stride);
126  pixels += 4 * stride;
127  SD4(in4_d, in5_d, in6_d, in7_d, pixels, stride);
128 }
129 
130 void ff_put_pixels_clamped_msa(const int16_t *block,
131  uint8_t *av_restrict pixels,
132  ptrdiff_t line_size)
133 {
134  put_pixels_clamped_msa(block, pixels, line_size);
135 }
136 
138  uint8_t *av_restrict pixels,
139  ptrdiff_t line_size)
140 {
141  put_signed_pixels_clamped_msa(block, pixels, line_size);
142 }
143 
144 void ff_add_pixels_clamped_msa(const int16_t *block,
145  uint8_t *av_restrict pixels,
146  ptrdiff_t line_size)
147 {
148  add_pixels_clamped_msa(block, pixels, line_size);
149 }
void ff_put_pixels_clamped_msa(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_msa.c:130
static void put_pixels_clamped_msa(const int16_t *block, uint8_t *pixels, int32_t stride)
Definition: idctdsp_msa.c:24
static int16_t block[64]
Definition: dct.c:115
uint8_t
#define zero
Definition: regdef.h:64
#define CLIP_SH4_0_255(in0, in1, in2, in3)
#define LD_SH8(...)
static void add_pixels_clamped_msa(const int16_t *block, uint8_t *pixels, int32_t stride)
Definition: idctdsp_msa.c:84
#define LD_UB8(...)
#define PCKEV_B4_SH(...)
int32_t
#define ILVR_B4_UH(...)
void ff_add_pixels_clamped_msa(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_msa.c:144
#define SD4(in0, in1, in2, in3, pdst, stride)
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
static void put_signed_pixels_clamped_msa(const int16_t *block, uint8_t *pixels, int32_t stride)
Definition: idctdsp_msa.c:49
int pixels
Definition: avisynth_c.h:429
#define stride
void ff_put_signed_pixels_clamped_msa(const int16_t *block, uint8_t *av_restrict pixels, ptrdiff_t line_size)
Definition: idctdsp_msa.c:137