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4349 | Serge | 1 | /* |
2 | * Copyright (C) 2006-2011 Michael Niedermayer |
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3 | * 2010 James Darnley |
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4 | * |
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5 | * FFmpeg is free software; you can redistribute it and/or modify |
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6 | * it under the terms of the GNU General Public License as published by |
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7 | * the Free Software Foundation; either version 2 of the License, or |
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8 | * (at your option) any later version. |
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9 | * |
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10 | * FFmpeg is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 | * GNU General Public License for more details. |
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14 | * |
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15 | * You should have received a copy of the GNU General Public License along |
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16 | * with FFmpeg; if not, write to the Free Software Foundation, Inc., |
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17 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 | */ |
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19 | |||
20 | #include "libavutil/avassert.h" |
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21 | #include "libavutil/cpu.h" |
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22 | #include "libavutil/common.h" |
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23 | #include "libavutil/opt.h" |
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24 | #include "libavutil/pixdesc.h" |
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25 | #include "libavutil/imgutils.h" |
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26 | #include "avfilter.h" |
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27 | #include "formats.h" |
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28 | #include "internal.h" |
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29 | #include "video.h" |
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30 | #include "yadif.h" |
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31 | |||
32 | typedef struct ThreadData { |
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33 | AVFrame *frame; |
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34 | int plane; |
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35 | int w, h; |
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36 | int parity; |
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37 | int tff; |
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38 | } ThreadData; |
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39 | |||
40 | #define CHECK(j)\ |
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41 | { int score = FFABS(cur[mrefs - 1 + (j)] - cur[prefs - 1 - (j)])\ |
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42 | + FFABS(cur[mrefs +(j)] - cur[prefs -(j)])\ |
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43 | + FFABS(cur[mrefs + 1 + (j)] - cur[prefs + 1 - (j)]);\ |
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44 | if (score < spatial_score) {\ |
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45 | spatial_score= score;\ |
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46 | spatial_pred= (cur[mrefs +(j)] + cur[prefs -(j)])>>1;\ |
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47 | |||
48 | /* The is_not_edge argument here controls when the code will enter a branch |
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49 | * which reads up to and including x-3 and x+3. */ |
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50 | |||
51 | #define FILTER(start, end, is_not_edge) \ |
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52 | for (x = start; x < end; x++) { \ |
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53 | int c = cur[mrefs]; \ |
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54 | int d = (prev2[0] + next2[0])>>1; \ |
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55 | int e = cur[prefs]; \ |
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56 | int temporal_diff0 = FFABS(prev2[0] - next2[0]); \ |
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57 | int temporal_diff1 =(FFABS(prev[mrefs] - c) + FFABS(prev[prefs] - e) )>>1; \ |
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58 | int temporal_diff2 =(FFABS(next[mrefs] - c) + FFABS(next[prefs] - e) )>>1; \ |
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59 | int diff = FFMAX3(temporal_diff0 >> 1, temporal_diff1, temporal_diff2); \ |
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60 | int spatial_pred = (c+e) >> 1; \ |
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61 | \ |
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62 | if (is_not_edge) {\ |
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63 | int spatial_score = FFABS(cur[mrefs - 1] - cur[prefs - 1]) + FFABS(c-e) \ |
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64 | + FFABS(cur[mrefs + 1] - cur[prefs + 1]) - 1; \ |
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65 | CHECK(-1) CHECK(-2) }} }} \ |
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66 | CHECK( 1) CHECK( 2) }} }} \ |
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67 | }\ |
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68 | \ |
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69 | if (!(mode&2)) { \ |
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70 | int b = (prev2[2 * mrefs] + next2[2 * mrefs])>>1; \ |
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71 | int f = (prev2[2 * prefs] + next2[2 * prefs])>>1; \ |
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72 | int max = FFMAX3(d - e, d - c, FFMIN(b - c, f - e)); \ |
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73 | int min = FFMIN3(d - e, d - c, FFMAX(b - c, f - e)); \ |
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74 | \ |
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75 | diff = FFMAX3(diff, min, -max); \ |
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76 | } \ |
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77 | \ |
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78 | if (spatial_pred > d + diff) \ |
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79 | spatial_pred = d + diff; \ |
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80 | else if (spatial_pred < d - diff) \ |
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81 | spatial_pred = d - diff; \ |
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82 | \ |
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83 | dst[0] = spatial_pred; \ |
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84 | \ |
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85 | dst++; \ |
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86 | cur++; \ |
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87 | prev++; \ |
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88 | next++; \ |
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89 | prev2++; \ |
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90 | next2++; \ |
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91 | } |
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92 | |||
93 | static void filter_line_c(void *dst1, |
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94 | void *prev1, void *cur1, void *next1, |
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95 | int w, int prefs, int mrefs, int parity, int mode) |
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96 | { |
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97 | uint8_t *dst = dst1; |
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98 | uint8_t *prev = prev1; |
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99 | uint8_t *cur = cur1; |
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100 | uint8_t *next = next1; |
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101 | int x; |
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102 | uint8_t *prev2 = parity ? prev : cur ; |
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103 | uint8_t *next2 = parity ? cur : next; |
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104 | |||
105 | /* The function is called with the pointers already pointing to data[3] and |
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106 | * with 6 subtracted from the width. This allows the FILTER macro to be |
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107 | * called so that it processes all the pixels normally. A constant value of |
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108 | * true for is_not_edge lets the compiler ignore the if statement. */ |
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109 | FILTER(0, w, 1) |
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110 | } |
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111 | |||
112 | #define MAX_ALIGN 8 |
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113 | static void filter_edges(void *dst1, void *prev1, void *cur1, void *next1, |
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114 | int w, int prefs, int mrefs, int parity, int mode) |
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115 | { |
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116 | uint8_t *dst = dst1; |
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117 | uint8_t *prev = prev1; |
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118 | uint8_t *cur = cur1; |
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119 | uint8_t *next = next1; |
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120 | int x; |
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121 | uint8_t *prev2 = parity ? prev : cur ; |
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122 | uint8_t *next2 = parity ? cur : next; |
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123 | |||
124 | /* Only edge pixels need to be processed here. A constant value of false |
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125 | * for is_not_edge should let the compiler ignore the whole branch. */ |
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126 | FILTER(0, 3, 0) |
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127 | |||
128 | dst = (uint8_t*)dst1 + w - (MAX_ALIGN-1); |
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129 | prev = (uint8_t*)prev1 + w - (MAX_ALIGN-1); |
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130 | cur = (uint8_t*)cur1 + w - (MAX_ALIGN-1); |
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131 | next = (uint8_t*)next1 + w - (MAX_ALIGN-1); |
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132 | prev2 = (uint8_t*)(parity ? prev : cur); |
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133 | next2 = (uint8_t*)(parity ? cur : next); |
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134 | |||
135 | FILTER(w - (MAX_ALIGN-1), w - 3, 1) |
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136 | FILTER(w - 3, w, 0) |
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137 | } |
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138 | |||
139 | |||
140 | static void filter_line_c_16bit(void *dst1, |
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141 | void *prev1, void *cur1, void *next1, |
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142 | int w, int prefs, int mrefs, int parity, |
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143 | int mode) |
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144 | { |
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145 | uint16_t *dst = dst1; |
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146 | uint16_t *prev = prev1; |
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147 | uint16_t *cur = cur1; |
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148 | uint16_t *next = next1; |
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149 | int x; |
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150 | uint16_t *prev2 = parity ? prev : cur ; |
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151 | uint16_t *next2 = parity ? cur : next; |
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152 | mrefs /= 2; |
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153 | prefs /= 2; |
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154 | |||
155 | FILTER(0, w, 1) |
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156 | } |
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157 | |||
158 | static void filter_edges_16bit(void *dst1, void *prev1, void *cur1, void *next1, |
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159 | int w, int prefs, int mrefs, int parity, int mode) |
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160 | { |
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161 | uint16_t *dst = dst1; |
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162 | uint16_t *prev = prev1; |
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163 | uint16_t *cur = cur1; |
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164 | uint16_t *next = next1; |
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165 | int x; |
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166 | uint16_t *prev2 = parity ? prev : cur ; |
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167 | uint16_t *next2 = parity ? cur : next; |
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168 | mrefs /= 2; |
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169 | prefs /= 2; |
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170 | |||
171 | FILTER(0, 3, 0) |
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172 | |||
173 | dst = (uint16_t*)dst1 + w - (MAX_ALIGN/2-1); |
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174 | prev = (uint16_t*)prev1 + w - (MAX_ALIGN/2-1); |
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175 | cur = (uint16_t*)cur1 + w - (MAX_ALIGN/2-1); |
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176 | next = (uint16_t*)next1 + w - (MAX_ALIGN/2-1); |
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177 | prev2 = (uint16_t*)(parity ? prev : cur); |
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178 | next2 = (uint16_t*)(parity ? cur : next); |
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179 | |||
180 | FILTER(w - (MAX_ALIGN/2-1), w - 3, 1) |
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181 | FILTER(w - 3, w, 0) |
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182 | } |
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183 | |||
184 | static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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185 | { |
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186 | YADIFContext *s = ctx->priv; |
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187 | ThreadData *td = arg; |
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188 | int refs = s->cur->linesize[td->plane]; |
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189 | int df = (s->csp->comp[td->plane].depth_minus1 + 8) / 8; |
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190 | int pix_3 = 3 * df; |
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191 | int slice_start = (td->h * jobnr ) / nb_jobs; |
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192 | int slice_end = (td->h * (jobnr+1)) / nb_jobs; |
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193 | int y; |
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194 | |||
195 | /* filtering reads 3 pixels to the left/right; to avoid invalid reads, |
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196 | * we need to call the c variant which avoids this for border pixels |
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197 | */ |
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198 | for (y = slice_start; y < slice_end; y++) { |
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199 | if ((y ^ td->parity) & 1) { |
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200 | uint8_t *prev = &s->prev->data[td->plane][y * refs]; |
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201 | uint8_t *cur = &s->cur ->data[td->plane][y * refs]; |
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202 | uint8_t *next = &s->next->data[td->plane][y * refs]; |
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203 | uint8_t *dst = &td->frame->data[td->plane][y * td->frame->linesize[td->plane]]; |
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204 | int mode = y == 1 || y + 2 == td->h ? 2 : s->mode; |
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205 | s->filter_line(dst + pix_3, prev + pix_3, cur + pix_3, |
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206 | next + pix_3, td->w - (3 + MAX_ALIGN/df-1), |
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207 | y + 1 < td->h ? refs : -refs, |
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208 | y ? -refs : refs, |
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209 | td->parity ^ td->tff, mode); |
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210 | s->filter_edges(dst, prev, cur, next, td->w, |
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211 | y + 1 < td->h ? refs : -refs, |
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212 | y ? -refs : refs, |
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213 | td->parity ^ td->tff, mode); |
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214 | } else { |
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215 | memcpy(&td->frame->data[td->plane][y * td->frame->linesize[td->plane]], |
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216 | &s->cur->data[td->plane][y * refs], td->w * df); |
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217 | } |
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218 | } |
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219 | return 0; |
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220 | } |
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221 | |||
222 | static void filter(AVFilterContext *ctx, AVFrame *dstpic, |
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223 | int parity, int tff) |
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224 | { |
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225 | YADIFContext *yadif = ctx->priv; |
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226 | ThreadData td = { .frame = dstpic, .parity = parity, .tff = tff }; |
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227 | int i; |
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228 | |||
229 | for (i = 0; i < yadif->csp->nb_components; i++) { |
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230 | int w = dstpic->width; |
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231 | int h = dstpic->height; |
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232 | |||
233 | if (i == 1 || i == 2) { |
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234 | w = FF_CEIL_RSHIFT(w, yadif->csp->log2_chroma_w); |
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235 | h = FF_CEIL_RSHIFT(h, yadif->csp->log2_chroma_h); |
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236 | } |
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237 | |||
238 | |||
239 | td.w = w; |
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240 | td.h = h; |
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241 | td.plane = i; |
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242 | |||
243 | ctx->internal->execute(ctx, filter_slice, &td, NULL, FFMIN(h, ctx->graph->nb_threads)); |
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244 | } |
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245 | |||
246 | emms_c(); |
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247 | } |
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248 | |||
249 | static int return_frame(AVFilterContext *ctx, int is_second) |
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250 | { |
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251 | YADIFContext *yadif = ctx->priv; |
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252 | AVFilterLink *link = ctx->outputs[0]; |
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253 | int tff, ret; |
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254 | |||
255 | if (yadif->parity == -1) { |
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256 | tff = yadif->cur->interlaced_frame ? |
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257 | yadif->cur->top_field_first : 1; |
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258 | } else { |
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259 | tff = yadif->parity ^ 1; |
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260 | } |
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261 | |||
262 | if (is_second) { |
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263 | yadif->out = ff_get_video_buffer(link, link->w, link->h); |
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264 | if (!yadif->out) |
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265 | return AVERROR(ENOMEM); |
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266 | |||
267 | av_frame_copy_props(yadif->out, yadif->cur); |
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268 | yadif->out->interlaced_frame = 0; |
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269 | } |
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270 | |||
271 | filter(ctx, yadif->out, tff ^ !is_second, tff); |
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272 | |||
273 | if (is_second) { |
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274 | int64_t cur_pts = yadif->cur->pts; |
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275 | int64_t next_pts = yadif->next->pts; |
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276 | |||
277 | if (next_pts != AV_NOPTS_VALUE && cur_pts != AV_NOPTS_VALUE) { |
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278 | yadif->out->pts = cur_pts + next_pts; |
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279 | } else { |
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280 | yadif->out->pts = AV_NOPTS_VALUE; |
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281 | } |
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282 | } |
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283 | ret = ff_filter_frame(ctx->outputs[0], yadif->out); |
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284 | |||
285 | yadif->frame_pending = (yadif->mode&1) && !is_second; |
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286 | return ret; |
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287 | } |
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288 | |||
289 | static int checkstride(YADIFContext *yadif, const AVFrame *a, const AVFrame *b) |
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290 | { |
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291 | int i; |
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292 | for (i = 0; i < yadif->csp->nb_components; i++) |
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293 | if (a->linesize[i] != b->linesize[i]) |
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294 | return 1; |
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295 | return 0; |
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296 | } |
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297 | |||
298 | static void fixstride(AVFilterLink *link, AVFrame *f) |
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299 | { |
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300 | AVFrame *dst = ff_default_get_video_buffer(link, f->width, f->height); |
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301 | if(!dst) |
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302 | return; |
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303 | av_frame_copy_props(dst, f); |
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304 | av_image_copy(dst->data, dst->linesize, |
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305 | (const uint8_t **)f->data, f->linesize, |
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306 | dst->format, dst->width, dst->height); |
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307 | av_frame_unref(f); |
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308 | av_frame_move_ref(f, dst); |
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309 | av_frame_free(&dst); |
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310 | } |
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311 | |||
312 | static int filter_frame(AVFilterLink *link, AVFrame *frame) |
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313 | { |
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314 | AVFilterContext *ctx = link->dst; |
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315 | YADIFContext *yadif = ctx->priv; |
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316 | |||
317 | av_assert0(frame); |
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318 | |||
319 | if (yadif->frame_pending) |
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320 | return_frame(ctx, 1); |
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321 | |||
322 | if (yadif->prev) |
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323 | av_frame_free(&yadif->prev); |
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324 | yadif->prev = yadif->cur; |
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325 | yadif->cur = yadif->next; |
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326 | yadif->next = frame; |
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327 | |||
328 | if (!yadif->cur) |
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329 | return 0; |
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330 | |||
331 | if (checkstride(yadif, yadif->next, yadif->cur)) { |
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332 | av_log(ctx, AV_LOG_VERBOSE, "Reallocating frame due to differing stride\n"); |
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333 | fixstride(link, yadif->next); |
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334 | } |
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335 | if (checkstride(yadif, yadif->next, yadif->cur)) |
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336 | fixstride(link, yadif->cur); |
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337 | if (yadif->prev && checkstride(yadif, yadif->next, yadif->prev)) |
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338 | fixstride(link, yadif->prev); |
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339 | if (checkstride(yadif, yadif->next, yadif->cur) || (yadif->prev && checkstride(yadif, yadif->next, yadif->prev))) { |
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340 | av_log(ctx, AV_LOG_ERROR, "Failed to reallocate frame\n"); |
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341 | return -1; |
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342 | } |
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343 | |||
344 | if ((yadif->deint && !yadif->cur->interlaced_frame) || ctx->is_disabled) { |
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345 | yadif->out = av_frame_clone(yadif->cur); |
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346 | if (!yadif->out) |
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347 | return AVERROR(ENOMEM); |
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348 | |||
349 | av_frame_free(&yadif->prev); |
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350 | if (yadif->out->pts != AV_NOPTS_VALUE) |
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351 | yadif->out->pts *= 2; |
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352 | return ff_filter_frame(ctx->outputs[0], yadif->out); |
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353 | } |
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354 | |||
355 | if (!yadif->prev && |
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356 | !(yadif->prev = av_frame_clone(yadif->cur))) |
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357 | return AVERROR(ENOMEM); |
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358 | |||
359 | yadif->out = ff_get_video_buffer(ctx->outputs[0], link->w, link->h); |
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360 | if (!yadif->out) |
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361 | return AVERROR(ENOMEM); |
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362 | |||
363 | av_frame_copy_props(yadif->out, yadif->cur); |
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364 | yadif->out->interlaced_frame = 0; |
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365 | |||
366 | if (yadif->out->pts != AV_NOPTS_VALUE) |
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367 | yadif->out->pts *= 2; |
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368 | |||
369 | return return_frame(ctx, 0); |
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370 | } |
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371 | |||
372 | static int request_frame(AVFilterLink *link) |
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373 | { |
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374 | AVFilterContext *ctx = link->src; |
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375 | YADIFContext *yadif = ctx->priv; |
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376 | |||
377 | if (yadif->frame_pending) { |
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378 | return_frame(ctx, 1); |
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379 | return 0; |
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380 | } |
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381 | |||
382 | do { |
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383 | int ret; |
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384 | |||
385 | if (yadif->eof) |
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386 | return AVERROR_EOF; |
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387 | |||
388 | ret = ff_request_frame(link->src->inputs[0]); |
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389 | |||
390 | if (ret == AVERROR_EOF && yadif->cur) { |
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391 | AVFrame *next = av_frame_clone(yadif->next); |
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392 | |||
393 | if (!next) |
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394 | return AVERROR(ENOMEM); |
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395 | |||
396 | next->pts = yadif->next->pts * 2 - yadif->cur->pts; |
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397 | |||
398 | filter_frame(link->src->inputs[0], next); |
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399 | yadif->eof = 1; |
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400 | } else if (ret < 0) { |
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401 | return ret; |
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402 | } |
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403 | } while (!yadif->cur); |
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404 | |||
405 | return 0; |
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406 | } |
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407 | |||
408 | static av_cold void uninit(AVFilterContext *ctx) |
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409 | { |
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410 | YADIFContext *yadif = ctx->priv; |
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411 | |||
412 | av_frame_free(&yadif->prev); |
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413 | av_frame_free(&yadif->cur ); |
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414 | av_frame_free(&yadif->next); |
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415 | } |
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416 | |||
417 | static int query_formats(AVFilterContext *ctx) |
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418 | { |
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419 | static const enum AVPixelFormat pix_fmts[] = { |
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420 | AV_PIX_FMT_YUV420P, |
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421 | AV_PIX_FMT_YUV422P, |
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422 | AV_PIX_FMT_YUV444P, |
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423 | AV_PIX_FMT_YUV410P, |
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424 | AV_PIX_FMT_YUV411P, |
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425 | AV_PIX_FMT_GRAY8, |
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426 | AV_PIX_FMT_YUVJ420P, |
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427 | AV_PIX_FMT_YUVJ422P, |
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428 | AV_PIX_FMT_YUVJ444P, |
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429 | AV_PIX_FMT_GRAY16, |
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430 | AV_PIX_FMT_YUV440P, |
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431 | AV_PIX_FMT_YUVJ440P, |
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432 | AV_PIX_FMT_YUV420P9, |
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433 | AV_PIX_FMT_YUV422P9, |
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434 | AV_PIX_FMT_YUV444P9, |
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435 | AV_PIX_FMT_YUV420P10, |
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436 | AV_PIX_FMT_YUV422P10, |
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437 | AV_PIX_FMT_YUV444P10, |
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438 | AV_PIX_FMT_YUV420P12, |
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439 | AV_PIX_FMT_YUV422P12, |
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440 | AV_PIX_FMT_YUV444P12, |
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441 | AV_PIX_FMT_YUV420P14, |
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442 | AV_PIX_FMT_YUV422P14, |
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443 | AV_PIX_FMT_YUV444P14, |
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444 | AV_PIX_FMT_YUV420P16, |
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445 | AV_PIX_FMT_YUV422P16, |
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446 | AV_PIX_FMT_YUV444P16, |
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447 | AV_PIX_FMT_YUVA420P, |
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448 | AV_PIX_FMT_YUVA422P, |
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449 | AV_PIX_FMT_YUVA444P, |
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450 | AV_PIX_FMT_GBRP, |
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451 | AV_PIX_FMT_GBRAP, |
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452 | AV_PIX_FMT_NONE |
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453 | }; |
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454 | |||
455 | ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); |
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456 | |||
457 | return 0; |
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458 | } |
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459 | |||
460 | static int config_props(AVFilterLink *link) |
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461 | { |
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462 | AVFilterContext *ctx = link->src; |
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463 | YADIFContext *s = link->src->priv; |
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464 | |||
465 | link->time_base.num = link->src->inputs[0]->time_base.num; |
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466 | link->time_base.den = link->src->inputs[0]->time_base.den * 2; |
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467 | link->w = link->src->inputs[0]->w; |
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468 | link->h = link->src->inputs[0]->h; |
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469 | |||
470 | if(s->mode&1) |
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471 | link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate, (AVRational){2,1}); |
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472 | |||
473 | if (link->w < 3 || link->h < 3) { |
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474 | av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n"); |
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475 | return AVERROR(EINVAL); |
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476 | } |
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477 | |||
478 | s->csp = av_pix_fmt_desc_get(link->format); |
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479 | if (s->csp->comp[0].depth_minus1 / 8 == 1) { |
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480 | s->filter_line = filter_line_c_16bit; |
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481 | s->filter_edges = filter_edges_16bit; |
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482 | } else { |
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483 | s->filter_line = filter_line_c; |
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484 | s->filter_edges = filter_edges; |
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485 | } |
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486 | |||
487 | if (ARCH_X86) |
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488 | ff_yadif_init_x86(s); |
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489 | |||
490 | return 0; |
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491 | } |
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492 | |||
493 | |||
494 | #define OFFSET(x) offsetof(YADIFContext, x) |
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495 | #define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
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496 | |||
497 | #define CONST(name, help, val, unit) { name, help, 0, AV_OPT_TYPE_CONST, {.i64=val}, INT_MIN, INT_MAX, FLAGS, unit } |
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498 | |||
499 | static const AVOption yadif_options[] = { |
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500 | { "mode", "specify the interlacing mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=YADIF_MODE_SEND_FRAME}, 0, 3, FLAGS, "mode"}, |
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501 | CONST("send_frame", "send one frame for each frame", YADIF_MODE_SEND_FRAME, "mode"), |
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502 | CONST("send_field", "send one frame for each field", YADIF_MODE_SEND_FIELD, "mode"), |
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503 | CONST("send_frame_nospatial", "send one frame for each frame, but skip spatial interlacing check", YADIF_MODE_SEND_FRAME_NOSPATIAL, "mode"), |
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504 | CONST("send_field_nospatial", "send one frame for each field, but skip spatial interlacing check", YADIF_MODE_SEND_FIELD_NOSPATIAL, "mode"), |
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505 | |||
506 | { "parity", "specify the assumed picture field parity", OFFSET(parity), AV_OPT_TYPE_INT, {.i64=YADIF_PARITY_AUTO}, -1, 1, FLAGS, "parity" }, |
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507 | CONST("tff", "assume top field first", YADIF_PARITY_TFF, "parity"), |
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508 | CONST("bff", "assume bottom field first", YADIF_PARITY_BFF, "parity"), |
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509 | CONST("auto", "auto detect parity", YADIF_PARITY_AUTO, "parity"), |
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510 | |||
511 | { "deint", "specify which frames to deinterlace", OFFSET(deint), AV_OPT_TYPE_INT, {.i64=YADIF_DEINT_ALL}, 0, 1, FLAGS, "deint" }, |
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512 | CONST("all", "deinterlace all frames", YADIF_DEINT_ALL, "deint"), |
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513 | CONST("interlaced", "only deinterlace frames marked as interlaced", YADIF_DEINT_INTERLACED, "deint"), |
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514 | |||
515 | { NULL } |
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516 | }; |
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517 | |||
518 | AVFILTER_DEFINE_CLASS(yadif); |
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519 | |||
520 | static const AVFilterPad avfilter_vf_yadif_inputs[] = { |
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521 | { |
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522 | .name = "default", |
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523 | .type = AVMEDIA_TYPE_VIDEO, |
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524 | .filter_frame = filter_frame, |
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525 | }, |
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526 | { NULL } |
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527 | }; |
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528 | |||
529 | static const AVFilterPad avfilter_vf_yadif_outputs[] = { |
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530 | { |
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531 | .name = "default", |
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532 | .type = AVMEDIA_TYPE_VIDEO, |
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533 | .request_frame = request_frame, |
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534 | .config_props = config_props, |
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535 | }, |
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536 | { NULL } |
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537 | }; |
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538 | |||
539 | AVFilter avfilter_vf_yadif = { |
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540 | .name = "yadif", |
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541 | .description = NULL_IF_CONFIG_SMALL("Deinterlace the input image."), |
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542 | .priv_size = sizeof(YADIFContext), |
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543 | .priv_class = &yadif_class, |
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544 | .uninit = uninit, |
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545 | .query_formats = query_formats, |
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546 | .inputs = avfilter_vf_yadif_inputs, |
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547 | .outputs = avfilter_vf_yadif_outputs, |
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548 | .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_INTERNAL | AVFILTER_FLAG_SLICE_THREADS, |
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549 | };>>>>>>>>>>> |