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1 /* | 1 /* |
2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. | 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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33 } | 33 } |
34 | 34 |
35 | 35 |
36 static int try_filter_frame(const YV12_BUFFER_CONFIG *sd, VP9_COMP *const cpi, | 36 static int try_filter_frame(const YV12_BUFFER_CONFIG *sd, VP9_COMP *const cpi, |
37 int filt_level, int partial_frame) { | 37 int filt_level, int partial_frame) { |
38 VP9_COMMON *const cm = &cpi->common; | 38 VP9_COMMON *const cm = &cpi->common; |
39 int filt_err; | 39 int filt_err; |
40 | 40 |
41 vp9_loop_filter_frame(cm->frame_to_show, cm, &cpi->mb.e_mbd, filt_level, 1, | 41 vp9_loop_filter_frame(cm->frame_to_show, cm, &cpi->mb.e_mbd, filt_level, 1, |
42 partial_frame); | 42 partial_frame); |
| 43 #if CONFIG_VP9_HIGHBITDEPTH |
| 44 if (cm->use_highbitdepth) { |
| 45 filt_err = vp9_highbd_get_y_sse(sd, cm->frame_to_show, cm->bit_depth); |
| 46 } else { |
| 47 filt_err = vp9_get_y_sse(sd, cm->frame_to_show); |
| 48 } |
| 49 #else |
43 filt_err = vp9_get_y_sse(sd, cm->frame_to_show); | 50 filt_err = vp9_get_y_sse(sd, cm->frame_to_show); |
| 51 #endif // CONFIG_VP9_HIGHBITDEPTH |
44 | 52 |
45 // Re-instate the unfiltered frame | 53 // Re-instate the unfiltered frame |
46 vpx_yv12_copy_y(&cpi->last_frame_uf, cm->frame_to_show); | 54 vpx_yv12_copy_y(&cpi->last_frame_uf, cm->frame_to_show); |
47 | 55 |
48 return filt_err; | 56 return filt_err; |
49 } | 57 } |
50 | 58 |
51 static int search_filter_level(const YV12_BUFFER_CONFIG *sd, VP9_COMP *cpi, | 59 static int search_filter_level(const YV12_BUFFER_CONFIG *sd, VP9_COMP *cpi, |
52 int partial_frame) { | 60 int partial_frame) { |
53 const VP9_COMMON *const cm = &cpi->common; | 61 const VP9_COMMON *const cm = &cpi->common; |
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138 : cpi->oxcf.sharpness; | 146 : cpi->oxcf.sharpness; |
139 | 147 |
140 if (method == LPF_PICK_MINIMAL_LPF && lf->filter_level) { | 148 if (method == LPF_PICK_MINIMAL_LPF && lf->filter_level) { |
141 lf->filter_level = 0; | 149 lf->filter_level = 0; |
142 } else if (method >= LPF_PICK_FROM_Q) { | 150 } else if (method >= LPF_PICK_FROM_Q) { |
143 const int min_filter_level = 0; | 151 const int min_filter_level = 0; |
144 const int max_filter_level = get_max_filter_level(cpi); | 152 const int max_filter_level = get_max_filter_level(cpi); |
145 const int q = vp9_ac_quant(cm->base_qindex, 0, cm->bit_depth); | 153 const int q = vp9_ac_quant(cm->base_qindex, 0, cm->bit_depth); |
146 // These values were determined by linear fitting the result of the | 154 // These values were determined by linear fitting the result of the |
147 // searched level, filt_guess = q * 0.316206 + 3.87252 | 155 // searched level, filt_guess = q * 0.316206 + 3.87252 |
| 156 #if CONFIG_VP9_HIGHDEPTH |
| 157 int filt_guess; |
| 158 switch (cm->bit_depth) { |
| 159 case VPX_BITS_8: |
| 160 filt_guess = ROUND_POWER_OF_TWO(q * 20723 + 1015158, 18); |
| 161 break; |
| 162 case VPX_BITS_10: |
| 163 filt_guess = ROUND_POWER_OF_TWO(q * 20723 + 4060632, 20); |
| 164 break; |
| 165 case VPX_BITS_12: |
| 166 filt_guess = ROUND_POWER_OF_TWO(q * 20723 + 16242526, 22); |
| 167 break; |
| 168 default: |
| 169 assert(0 && "bit_depth should be VPX_BITS_8, VPX_BITS_10 " |
| 170 "or VPX_BITS_12"); |
| 171 return; |
| 172 } |
| 173 #else |
148 int filt_guess = ROUND_POWER_OF_TWO(q * 20723 + 1015158, 18); | 174 int filt_guess = ROUND_POWER_OF_TWO(q * 20723 + 1015158, 18); |
| 175 #endif // CONFIG_VP9_HIGHBITDEPTH |
149 if (cm->frame_type == KEY_FRAME) | 176 if (cm->frame_type == KEY_FRAME) |
150 filt_guess -= 4; | 177 filt_guess -= 4; |
151 lf->filter_level = clamp(filt_guess, min_filter_level, max_filter_level); | 178 lf->filter_level = clamp(filt_guess, min_filter_level, max_filter_level); |
152 } else { | 179 } else { |
153 lf->filter_level = search_filter_level(sd, cpi, | 180 lf->filter_level = search_filter_level(sd, cpi, |
154 method == LPF_PICK_FROM_SUBIMAGE); | 181 method == LPF_PICK_FROM_SUBIMAGE); |
155 } | 182 } |
156 } | 183 } |
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