| Line | Branch | Exec | Source |
|---|---|---|---|
| 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 | typedef void (RENAME(mix_any_func_type))(SAMPLE **out, const SAMPLE **in1, COEFF *coeffp, integer len); | ||
| 53 | |||
| 54 | 2504 | static void RENAME(sum2)(SAMPLE *out, const SAMPLE *in1, const SAMPLE *in2, COEFF *coeffp, integer index1, integer index2, integer len){ | |
| 55 | int i; | ||
| 56 | 2504 | INTER coeff1 = coeffp[index1]; | |
| 57 | 2504 | INTER coeff2 = coeffp[index2]; | |
| 58 | |||
| 59 |
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4137224 | for(i=0; i<len; i++) |
| 60 | 4134720 | out[i] = R(coeff1*in1[i] + coeff2*in2[i]); | |
| 61 | 2504 | } | |
| 62 | |||
| 63 | 96 | static void RENAME(copy)(SAMPLE *out, const SAMPLE *in, COEFF *coeffp, integer index, integer len){ | |
| 64 | int i; | ||
| 65 | 96 | INTER coeff = coeffp[index]; | |
| 66 |
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393312 | for(i=0; i<len; i++) |
| 67 | 393216 | out[i] = R(coeff*in[i]); | |
| 68 | 96 | } | |
| 69 | |||
| 70 | ✗ | static void RENAME(mix6to2)(SAMPLE **out, const SAMPLE **in, COEFF *coeffp, integer len){ | |
| 71 | int i; | ||
| 72 | |||
| 73 | ✗ | for(i=0; i<len; i++) { | |
| 74 | ✗ | INTER t = in[2][i]*(INTER)coeffp[0*6+2] + in[3][i]*(INTER)coeffp[0*6+3]; | |
| 75 | ✗ | out[0][i] = R(t + in[0][i]*(INTER)coeffp[0*6+0] + in[4][i]*(INTER)coeffp[0*6+4]); | |
| 76 | ✗ | out[1][i] = R(t + in[1][i]*(INTER)coeffp[1*6+1] + in[5][i]*(INTER)coeffp[1*6+5]); | |
| 77 | } | ||
| 78 | ✗ | } | |
| 79 | |||
| 80 | 8 | static void RENAME(mix8to2)(SAMPLE **out, const SAMPLE **in, COEFF *coeffp, integer len){ | |
| 81 | int i; | ||
| 82 | |||
| 83 |
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15368 | for(i=0; i<len; i++) { |
| 84 | 15360 | INTER t = in[2][i]*(INTER)coeffp[0*8+2] + in[3][i]*(INTER)coeffp[0*8+3]; | |
| 85 | 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]); | |
| 86 | 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]); | |
| 87 | } | ||
| 88 | 8 | } | |
| 89 | |||
| 90 | 25 | static RENAME(mix_any_func_type) *RENAME(get_mix_any_func)(SwrContext *s){ | |
| 91 | 25 | if ( !av_channel_layout_compare(&s->out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO) | |
| 92 | 8 | && ( !av_channel_layout_compare(&s->in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT1) | |
| 93 | 8 | || !av_channel_layout_compare(&s->in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_5POINT1_BACK)) | |
| 94 | ✗ | && s->matrix[0][2] == s->matrix[1][2] && s->matrix[0][3] == s->matrix[1][3] | |
| 95 | ✗ | && !s->matrix[0][1] && !s->matrix[0][5] && !s->matrix[1][0] && !s->matrix[1][4] | |
| 96 | ) | ||
| 97 | ✗ | return RENAME(mix6to2); | |
| 98 | |||
| 99 | 25 | if ( !av_channel_layout_compare(&s->out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO) | |
| 100 | 8 | && !av_channel_layout_compare(&s->in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_7POINT1) | |
| 101 | 1 | && s->matrix[0][2] == s->matrix[1][2] && s->matrix[0][3] == s->matrix[1][3] | |
| 102 | 1 | && !s->matrix[0][1] && !s->matrix[0][5] && !s->matrix[1][0] && !s->matrix[1][4] | |
| 103 | 1 | && !s->matrix[0][7] && !s->matrix[1][6] | |
| 104 | ) | ||
| 105 | 1 | return RENAME(mix8to2); | |
| 106 | |||
| 107 | 24 | return NULL; | |
| 108 | } | ||
| 109 | |||
| 110 | #undef R | ||
| 111 | #undef SAMPLE | ||
| 112 | #undef COEFF | ||
| 113 | #undef INTER | ||
| 114 | #undef RENAME | ||
| 115 |