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Rev | Author | Line No. | Line |
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6148 | serge | 1 | /* |
2 | * BlackFin DSPUTILS |
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3 | * |
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4 | * Copyright (C) 2007 Marc Hoffman |
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5 | * Copyright (c) 2006 Michael Benjamin |
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6 | * |
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7 | * This file is part of FFmpeg. |
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8 | * |
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9 | * FFmpeg is free software; you can redistribute it and/or |
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10 | * modify it under the terms of the GNU Lesser General Public |
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11 | * License as published by the Free Software Foundation; either |
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12 | * version 2.1 of the License, or (at your option) any later version. |
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13 | * |
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14 | * FFmpeg is distributed in the hope that it will be useful, |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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17 | * Lesser General Public License for more details. |
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18 | * |
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19 | * You should have received a copy of the GNU Lesser General Public |
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20 | * License along with FFmpeg; if not, write to the Free Software |
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21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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22 | */ |
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23 | |||
24 | #include "libavutil/attributes.h" |
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25 | #include "libavcodec/avcodec.h" |
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26 | #include "libavcodec/dsputil.h" |
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27 | #include "dsputil_bfin.h" |
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28 | |||
29 | int off; |
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30 | |||
31 | static void bfin_idct_add (uint8_t *dest, int line_size, int16_t *block) |
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32 | { |
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33 | ff_bfin_idct (block); |
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34 | ff_bfin_add_pixels_clamped (block, dest, line_size); |
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35 | } |
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36 | |||
37 | static void bfin_idct_put (uint8_t *dest, int line_size, int16_t *block) |
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38 | { |
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39 | ff_bfin_idct (block); |
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40 | ff_bfin_put_pixels_clamped (block, dest, line_size); |
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41 | } |
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42 | |||
43 | |||
44 | static void bfin_clear_blocks (int16_t *blocks) |
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45 | { |
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46 | // This is just a simple memset. |
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47 | // |
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48 | __asm__("P0=192; " |
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49 | "I0=%0; " |
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50 | "R0=0; " |
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51 | "LSETUP(clear_blocks_blkfn_lab,clear_blocks_blkfn_lab)LC0=P0;" |
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52 | "clear_blocks_blkfn_lab:" |
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53 | "[I0++]=R0;" |
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54 | ::"a" (blocks):"P0","I0","R0"); |
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55 | } |
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56 | |||
57 | static int bfin_pix_abs16 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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58 | { |
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59 | return ff_bfin_z_sad16x16 (blk1,blk2,line_size,line_size,h); |
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60 | } |
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61 | |||
62 | static int bfin_vsad_intra16 (void *c, uint8_t *blk1, uint8_t *dummy, int stride, int h) { |
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63 | return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h); |
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64 | } |
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65 | |||
66 | static int bfin_vsad (void *c, uint8_t *blk1, uint8_t *blk2, int stride, int h) { |
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67 | return ff_bfin_z_sad16x16 (blk1,blk1+stride,stride<<1,stride<<1,h) |
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68 | + ff_bfin_z_sad16x16 (blk2,blk2+stride,stride<<1,stride<<1,h); |
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69 | } |
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70 | |||
71 | static uint8_t vtmp_blk[256] attribute_l1_data_b; |
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72 | |||
73 | static int bfin_pix_abs16_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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74 | { |
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75 | ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+1, 16, line_size, h); |
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76 | return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); |
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77 | } |
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78 | |||
79 | static int bfin_pix_abs16_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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80 | { |
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81 | ff_bfin_put_pixels16uc (vtmp_blk, blk2, blk2+line_size, 16, line_size, h); |
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82 | return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); |
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83 | } |
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84 | |||
85 | static int bfin_pix_abs16_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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86 | { |
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87 | ff_bfin_z_put_pixels16_xy2 (vtmp_blk, blk2, 16, line_size, h); |
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88 | return ff_bfin_z_sad16x16 (blk1, vtmp_blk, line_size, 16, h); |
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89 | } |
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90 | |||
91 | static int bfin_pix_abs8 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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92 | { |
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93 | return ff_bfin_z_sad8x8 (blk1,blk2,line_size,line_size, h); |
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94 | } |
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95 | |||
96 | static int bfin_pix_abs8_x2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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97 | { |
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98 | ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+1, 8, line_size, h); |
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99 | return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); |
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100 | } |
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101 | |||
102 | static int bfin_pix_abs8_y2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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103 | { |
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104 | ff_bfin_put_pixels8uc (vtmp_blk, blk2, blk2+line_size, 8, line_size, h); |
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105 | return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); |
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106 | } |
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107 | |||
108 | static int bfin_pix_abs8_xy2 (void *c, uint8_t *blk1, uint8_t *blk2, int line_size, int h) |
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109 | { |
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110 | ff_bfin_z_put_pixels8_xy2 (vtmp_blk, blk2, 8, line_size, h); |
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111 | return ff_bfin_z_sad8x8 (blk1, vtmp_blk, line_size, 8, h); |
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112 | } |
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113 | |||
114 | |||
115 | /* |
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116 | decoder optimization |
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117 | start on 2/11 100 frames of 352x240@25 compiled with no optimization -g debugging |
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118 | 9.824s ~ 2.44x off |
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119 | 6.360s ~ 1.58x off with -O2 |
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120 | 5.740s ~ 1.43x off with idcts |
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121 | |||
122 | 2.64s 2/20 same sman.mp4 decode only |
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123 | |||
124 | */ |
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125 | |||
126 | av_cold void ff_dsputil_init_bfin(DSPContext *c, AVCodecContext *avctx) |
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127 | { |
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128 | const int high_bit_depth = avctx->bits_per_raw_sample > 8; |
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129 | |||
130 | c->diff_pixels = ff_bfin_diff_pixels; |
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131 | c->put_pixels_clamped = ff_bfin_put_pixels_clamped; |
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132 | c->add_pixels_clamped = ff_bfin_add_pixels_clamped; |
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133 | |||
134 | if (!high_bit_depth) |
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135 | c->get_pixels = ff_bfin_get_pixels; |
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136 | c->clear_blocks = bfin_clear_blocks; |
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137 | c->pix_sum = ff_bfin_pix_sum; |
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138 | c->pix_norm1 = ff_bfin_pix_norm1; |
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139 | |||
140 | c->sad[0] = bfin_pix_abs16; |
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141 | c->sad[1] = bfin_pix_abs8; |
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142 | |||
143 | /* c->vsad[0] = bfin_vsad; */ |
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144 | /* c->vsad[4] = bfin_vsad_intra16; */ |
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145 | |||
146 | /* TODO [0] 16 [1] 8 */ |
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147 | c->pix_abs[0][0] = bfin_pix_abs16; |
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148 | c->pix_abs[0][1] = bfin_pix_abs16_x2; |
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149 | c->pix_abs[0][2] = bfin_pix_abs16_y2; |
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150 | c->pix_abs[0][3] = bfin_pix_abs16_xy2; |
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151 | |||
152 | c->pix_abs[1][0] = bfin_pix_abs8; |
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153 | c->pix_abs[1][1] = bfin_pix_abs8_x2; |
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154 | c->pix_abs[1][2] = bfin_pix_abs8_y2; |
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155 | c->pix_abs[1][3] = bfin_pix_abs8_xy2; |
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156 | |||
157 | |||
158 | c->sse[0] = ff_bfin_sse16; |
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159 | c->sse[1] = ff_bfin_sse8; |
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160 | c->sse[2] = ff_bfin_sse4; |
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161 | |||
162 | if (avctx->bits_per_raw_sample <= 8) { |
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163 | if (avctx->dct_algo == FF_DCT_AUTO) |
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164 | c->fdct = ff_bfin_fdct; |
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165 | |||
166 | if (avctx->idct_algo == FF_IDCT_AUTO) { |
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167 | c->idct_permutation_type = FF_NO_IDCT_PERM; |
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168 | c->idct = ff_bfin_idct; |
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169 | c->idct_add = bfin_idct_add; |
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170 | c->idct_put = bfin_idct_put; |
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171 | } |
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172 | } |
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173 | }=>1,h); |