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1 | /* | ||
2 | * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at) | ||
3 | * | ||
4 | * This file is part of libswresample | ||
5 | * | ||
6 | * libswresample 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 | * libswresample 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 libswresample; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
19 | */ | ||
20 | |||
21 | #if defined(TEMPLATE_REMATRIX_FLT) | ||
22 | # define R(x) x | ||
23 | # define SAMPLE float | ||
24 | # define COEFF float | ||
25 | # define INTER float | ||
26 | # define RENAME(x) x ## _float | ||
27 | #elif defined(TEMPLATE_REMATRIX_DBL) | ||
28 | # define R(x) x | ||
29 | # define SAMPLE double | ||
30 | # define COEFF double | ||
31 | # define INTER double | ||
32 | # define RENAME(x) x ## _double | ||
33 | #elif defined(TEMPLATE_REMATRIX_S16) | ||
34 | # define SAMPLE int16_t | ||
35 | # define COEFF int | ||
36 | # define INTER int | ||
37 | # ifdef TEMPLATE_CLIP | ||
38 | # define R(x) av_clip_int16(((x) + 16384)>>15) | ||
39 | # define RENAME(x) x ## _clip_s16 | ||
40 | # else | ||
41 | # define R(x) (((x) + 16384)>>15) | ||
42 | # define RENAME(x) x ## _s16 | ||
43 | # endif | ||
44 | #elif defined(TEMPLATE_REMATRIX_S32) | ||
45 | # define R(x) (((x) + 16384)>>15) | ||
46 | # define SAMPLE int32_t | ||
47 | # define COEFF int | ||
48 | # define INTER int64_t | ||
49 | # define RENAME(x) x ## _s32 | ||
50 | #endif | ||
51 | |||
52 | 2620 | static void RENAME(sum2)(void *out_, const void *in1_, const void *in2_, | |
53 | const void *coeffp_, integer index1, integer index2, integer len) | ||
54 | { | ||
55 | 2620 | const SAMPLE *in1 = in1_, *in2 = in2_; | |
56 | 2620 | const COEFF *coeffp = coeffp_; | |
57 | 2620 | SAMPLE *out = out_; | |
58 | int i; | ||
59 | 2620 | INTER coeff1 = coeffp[index1]; | |
60 | 2620 | INTER coeff2 = coeffp[index2]; | |
61 | |||
62 |
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4374908 | for(i=0; i<len; i++) |
63 | 4372288 | out[i] = R(coeff1*in1[i] + coeff2*in2[i]); | |
64 | 2620 | } | |
65 | |||
66 | 128 | static void RENAME(copy)(void *out_, const void *in_, const void *coeffp_, | |
67 | integer index, integer len) | ||
68 | { | ||
69 | 128 | const COEFF *coeffp = coeffp_; | |
70 | 128 | const SAMPLE *in = in_; | |
71 | 128 | SAMPLE *out = out_; | |
72 | int i; | ||
73 | 128 | INTER coeff = coeffp[index]; | |
74 |
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524416 | for(i=0; i<len; i++) |
75 | 524288 | out[i] = R(coeff*in[i]); | |
76 | 128 | } | |
77 | |||
78 | ✗ | static void RENAME(mix6to2)(uint8_t *const *out_, const uint8_t *const *in_, | |
79 | const void *coeffp_, integer len) | ||
80 | { | ||
81 | ✗ | const SAMPLE *const *const in = (const SAMPLE *const *)in_; | |
82 | ✗ | SAMPLE *const *const out = (SAMPLE *const*)out_; | |
83 | ✗ | const COEFF *coeffp = coeffp_; | |
84 | int i; | ||
85 | |||
86 | ✗ | for(i=0; i<len; i++) { | |
87 | ✗ | INTER t = in[2][i]*(INTER)coeffp[0*6+2] + in[3][i]*(INTER)coeffp[0*6+3]; | |
88 | ✗ | out[0][i] = R(t + in[0][i]*(INTER)coeffp[0*6+0] + in[4][i]*(INTER)coeffp[0*6+4]); | |
89 | ✗ | out[1][i] = R(t + in[1][i]*(INTER)coeffp[1*6+1] + in[5][i]*(INTER)coeffp[1*6+5]); | |
90 | } | ||
91 | ✗ | } | |
92 | |||
93 | 8 | static void RENAME(mix8to2)(uint8_t *const *out_, const uint8_t *const *in_, | |
94 | const void *coeffp_, integer len) | ||
95 | { | ||
96 | 8 | const SAMPLE *const *const in = (const SAMPLE *const *)in_; | |
97 | 8 | SAMPLE *const *const out = (SAMPLE *const*)out_; | |
98 | 8 | const COEFF *coeffp = coeffp_; | |
99 | int i; | ||
100 | |||
101 |
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15368 | for(i=0; i<len; i++) { |
102 | 15360 | INTER t = in[2][i]*(INTER)coeffp[0*8+2] + in[3][i]*(INTER)coeffp[0*8+3]; | |
103 | 15360 | out[0][i] = R(t + in[0][i]*(INTER)coeffp[0*8+0] + in[4][i]*(INTER)coeffp[0*8+4] + in[6][i]*(INTER)coeffp[0*8+6]); | |
104 | 15360 | out[1][i] = R(t + in[1][i]*(INTER)coeffp[1*8+1] + in[5][i]*(INTER)coeffp[1*8+5] + in[7][i]*(INTER)coeffp[1*8+7]); | |
105 | } | ||
106 | 8 | } | |
107 | |||
108 | 27 | static mix_any_func_type *RENAME(get_mix_any_func)(SwrContext *s) | |
109 | { | ||
110 | 27 | if ( !av_channel_layout_compare(&s->out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO) | |
111 | 9 | && ( !av_channel_layout_compare(&s->in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT1) | |
112 | 9 | || !av_channel_layout_compare(&s->in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT1_BACK)) | |
113 | ✗ | && s->matrix[0][2] == s->matrix[1][2] && s->matrix[0][3] == s->matrix[1][3] | |
114 | ✗ | && !s->matrix[0][1] && !s->matrix[0][5] && !s->matrix[1][0] && !s->matrix[1][4] | |
115 | ) | ||
116 | ✗ | return RENAME(mix6to2); | |
117 | |||
118 | 27 | if ( !av_channel_layout_compare(&s->out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO) | |
119 | 9 | && !av_channel_layout_compare(&s->in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_7POINT1) | |
120 | 1 | && s->matrix[0][2] == s->matrix[1][2] && s->matrix[0][3] == s->matrix[1][3] | |
121 | 1 | && !s->matrix[0][1] && !s->matrix[0][5] && !s->matrix[1][0] && !s->matrix[1][4] | |
122 | 1 | && !s->matrix[0][7] && !s->matrix[1][6] | |
123 | ) | ||
124 | 1 | return RENAME(mix8to2); | |
125 | |||
126 | 26 | return NULL; | |
127 | } | ||
128 | |||
129 | #undef R | ||
130 | #undef SAMPLE | ||
131 | #undef COEFF | ||
132 | #undef INTER | ||
133 | #undef RENAME | ||
134 |