| /* |
| * Copyright (c) 2010 The WebM project authors. All Rights Reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| |
| #include "vpx_ports/config.h" |
| #include "loopfilter.h" |
| #include "onyxc_int.h" |
| |
| typedef unsigned char uc; |
| |
| |
| prototype_loopfilter(vp8_loop_filter_horizontal_edge_c); |
| prototype_loopfilter(vp8_loop_filter_vertical_edge_c); |
| prototype_loopfilter(vp8_mbloop_filter_horizontal_edge_c); |
| prototype_loopfilter(vp8_mbloop_filter_vertical_edge_c); |
| prototype_loopfilter(vp8_loop_filter_simple_horizontal_edge_c); |
| prototype_loopfilter(vp8_loop_filter_simple_vertical_edge_c); |
| |
| /* Horizontal MB filtering */ |
| void vp8_loop_filter_mbh_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) simpler_lpf; |
| vp8_mbloop_filter_horizontal_edge_c(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr, 2); |
| |
| if (u_ptr) |
| vp8_mbloop_filter_horizontal_edge_c(u_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr, 1); |
| |
| if (v_ptr) |
| vp8_mbloop_filter_horizontal_edge_c(v_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr, 1); |
| } |
| |
| void vp8_loop_filter_mbhs_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) u_ptr; |
| (void) v_ptr; |
| (void) uv_stride; |
| (void) simpler_lpf; |
| vp8_loop_filter_simple_horizontal_edge_c(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr, 2); |
| } |
| |
| /* Vertical MB Filtering */ |
| void vp8_loop_filter_mbv_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) simpler_lpf; |
| vp8_mbloop_filter_vertical_edge_c(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr, 2); |
| |
| if (u_ptr) |
| vp8_mbloop_filter_vertical_edge_c(u_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr, 1); |
| |
| if (v_ptr) |
| vp8_mbloop_filter_vertical_edge_c(v_ptr, uv_stride, lfi->mbflim, lfi->lim, lfi->thr, 1); |
| } |
| |
| void vp8_loop_filter_mbvs_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) u_ptr; |
| (void) v_ptr; |
| (void) uv_stride; |
| (void) simpler_lpf; |
| vp8_loop_filter_simple_vertical_edge_c(y_ptr, y_stride, lfi->mbflim, lfi->lim, lfi->thr, 2); |
| } |
| |
| /* Horizontal B Filtering */ |
| void vp8_loop_filter_bh_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) simpler_lpf; |
| vp8_loop_filter_horizontal_edge_c(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_horizontal_edge_c(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_horizontal_edge_c(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| |
| if (u_ptr) |
| vp8_loop_filter_horizontal_edge_c(u_ptr + 4 * uv_stride, uv_stride, lfi->flim, lfi->lim, lfi->thr, 1); |
| |
| if (v_ptr) |
| vp8_loop_filter_horizontal_edge_c(v_ptr + 4 * uv_stride, uv_stride, lfi->flim, lfi->lim, lfi->thr, 1); |
| } |
| |
| void vp8_loop_filter_bhs_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) u_ptr; |
| (void) v_ptr; |
| (void) uv_stride; |
| (void) simpler_lpf; |
| vp8_loop_filter_simple_horizontal_edge_c(y_ptr + 4 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_simple_horizontal_edge_c(y_ptr + 8 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_simple_horizontal_edge_c(y_ptr + 12 * y_stride, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| } |
| |
| /* Vertical B Filtering */ |
| void vp8_loop_filter_bv_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) simpler_lpf; |
| vp8_loop_filter_vertical_edge_c(y_ptr + 4, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_vertical_edge_c(y_ptr + 8, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_vertical_edge_c(y_ptr + 12, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| |
| if (u_ptr) |
| vp8_loop_filter_vertical_edge_c(u_ptr + 4, uv_stride, lfi->flim, lfi->lim, lfi->thr, 1); |
| |
| if (v_ptr) |
| vp8_loop_filter_vertical_edge_c(v_ptr + 4, uv_stride, lfi->flim, lfi->lim, lfi->thr, 1); |
| } |
| |
| void vp8_loop_filter_bvs_c(unsigned char *y_ptr, unsigned char *u_ptr, unsigned char *v_ptr, |
| int y_stride, int uv_stride, loop_filter_info *lfi, int simpler_lpf) |
| { |
| (void) u_ptr; |
| (void) v_ptr; |
| (void) uv_stride; |
| (void) simpler_lpf; |
| vp8_loop_filter_simple_vertical_edge_c(y_ptr + 4, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_simple_vertical_edge_c(y_ptr + 8, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| vp8_loop_filter_simple_vertical_edge_c(y_ptr + 12, y_stride, lfi->flim, lfi->lim, lfi->thr, 2); |
| } |
| |
| void vp8_init_loop_filter(VP8_COMMON *cm) |
| { |
| loop_filter_info *lfi = cm->lf_info; |
| LOOPFILTERTYPE lft = cm->filter_type; |
| int sharpness_lvl = cm->sharpness_level; |
| int frame_type = cm->frame_type; |
| int i, j; |
| |
| int block_inside_limit = 0; |
| int HEVThresh; |
| |
| /* For each possible value for the loop filter fill out a "loop_filter_info" entry. */ |
| for (i = 0; i <= MAX_LOOP_FILTER; i++) |
| { |
| int filt_lvl = i; |
| |
| if (frame_type == KEY_FRAME) |
| { |
| if (filt_lvl >= 40) |
| HEVThresh = 2; |
| else if (filt_lvl >= 15) |
| HEVThresh = 1; |
| else |
| HEVThresh = 0; |
| } |
| else |
| { |
| if (filt_lvl >= 40) |
| HEVThresh = 3; |
| else if (filt_lvl >= 20) |
| HEVThresh = 2; |
| else if (filt_lvl >= 15) |
| HEVThresh = 1; |
| else |
| HEVThresh = 0; |
| } |
| |
| /* Set loop filter paramaeters that control sharpness. */ |
| block_inside_limit = filt_lvl >> (sharpness_lvl > 0); |
| block_inside_limit = block_inside_limit >> (sharpness_lvl > 4); |
| |
| if (sharpness_lvl > 0) |
| { |
| if (block_inside_limit > (9 - sharpness_lvl)) |
| block_inside_limit = (9 - sharpness_lvl); |
| } |
| |
| if (block_inside_limit < 1) |
| block_inside_limit = 1; |
| |
| for (j = 0; j < 16; j++) |
| { |
| lfi[i].lim[j] = block_inside_limit; |
| lfi[i].mbflim[j] = filt_lvl + 2; |
| lfi[i].flim[j] = filt_lvl; |
| lfi[i].thr[j] = HEVThresh; |
| } |
| |
| } |
| |
| /* Set up the function pointers depending on the type of loop filtering selected */ |
| if (lft == NORMAL_LOOPFILTER) |
| { |
| cm->lf_mbv = LF_INVOKE(&cm->rtcd.loopfilter, normal_mb_v); |
| cm->lf_bv = LF_INVOKE(&cm->rtcd.loopfilter, normal_b_v); |
| cm->lf_mbh = LF_INVOKE(&cm->rtcd.loopfilter, normal_mb_h); |
| cm->lf_bh = LF_INVOKE(&cm->rtcd.loopfilter, normal_b_h); |
| } |
| else |
| { |
| cm->lf_mbv = LF_INVOKE(&cm->rtcd.loopfilter, simple_mb_v); |
| cm->lf_bv = LF_INVOKE(&cm->rtcd.loopfilter, simple_b_v); |
| cm->lf_mbh = LF_INVOKE(&cm->rtcd.loopfilter, simple_mb_h); |
| cm->lf_bh = LF_INVOKE(&cm->rtcd.loopfilter, simple_b_h); |
| } |
| } |
| |
| /* Put vp8_init_loop_filter() in vp8dx_create_decompressor(). Only call vp8_frame_init_loop_filter() while decoding |
| * each frame. Check last_frame_type to skip the function most of times. |
| */ |
| void vp8_frame_init_loop_filter(loop_filter_info *lfi, int frame_type) |
| { |
| int HEVThresh; |
| int i, j; |
| |
| /* For each possible value for the loop filter fill out a "loop_filter_info" entry. */ |
| for (i = 0; i <= MAX_LOOP_FILTER; i++) |
| { |
| int filt_lvl = i; |
| |
| if (frame_type == KEY_FRAME) |
| { |
| if (filt_lvl >= 40) |
| HEVThresh = 2; |
| else if (filt_lvl >= 15) |
| HEVThresh = 1; |
| else |
| HEVThresh = 0; |
| } |
| else |
| { |
| if (filt_lvl >= 40) |
| HEVThresh = 3; |
| else if (filt_lvl >= 20) |
| HEVThresh = 2; |
| else if (filt_lvl >= 15) |
| HEVThresh = 1; |
| else |
| HEVThresh = 0; |
| } |
| |
| for (j = 0; j < 16; j++) |
| { |
| /*lfi[i].lim[j] = block_inside_limit; |
| lfi[i].mbflim[j] = filt_lvl+2;*/ |
| /*lfi[i].flim[j] = filt_lvl;*/ |
| lfi[i].thr[j] = HEVThresh; |
| } |
| } |
| } |
| |
| |
| int vp8_adjust_mb_lf_value(MACROBLOCKD *mbd, int filter_level) |
| { |
| MB_MODE_INFO *mbmi = &mbd->mode_info_context->mbmi; |
| |
| if (mbd->mode_ref_lf_delta_enabled) |
| { |
| /* Apply delta for reference frame */ |
| filter_level += mbd->ref_lf_deltas[mbmi->ref_frame]; |
| |
| /* Apply delta for mode */ |
| if (mbmi->ref_frame == INTRA_FRAME) |
| { |
| /* Only the split mode BPRED has a further special case */ |
| if (mbmi->mode == B_PRED) |
| filter_level += mbd->mode_lf_deltas[0]; |
| } |
| else |
| { |
| /* Zero motion mode */ |
| if (mbmi->mode == ZEROMV) |
| filter_level += mbd->mode_lf_deltas[1]; |
| |
| /* Split MB motion mode */ |
| else if (mbmi->mode == SPLITMV) |
| filter_level += mbd->mode_lf_deltas[3]; |
| |
| /* All other inter motion modes (Nearest, Near, New) */ |
| else |
| filter_level += mbd->mode_lf_deltas[2]; |
| } |
| |
| /* Range check */ |
| if (filter_level > MAX_LOOP_FILTER) |
| filter_level = MAX_LOOP_FILTER; |
| else if (filter_level < 0) |
| filter_level = 0; |
| } |
| return filter_level; |
| } |
| |
| |
| void vp8_loop_filter_frame |
| ( |
| VP8_COMMON *cm, |
| MACROBLOCKD *mbd, |
| int default_filt_lvl |
| ) |
| { |
| YV12_BUFFER_CONFIG *post = cm->frame_to_show; |
| loop_filter_info *lfi = cm->lf_info; |
| FRAME_TYPE frame_type = cm->frame_type; |
| |
| int mb_row; |
| int mb_col; |
| |
| |
| int baseline_filter_level[MAX_MB_SEGMENTS]; |
| int filter_level; |
| int alt_flt_enabled = mbd->segmentation_enabled; |
| |
| int i; |
| unsigned char *y_ptr, *u_ptr, *v_ptr; |
| |
| mbd->mode_info_context = cm->mi; /* Point at base of Mb MODE_INFO list */ |
| |
| /* Note the baseline filter values for each segment */ |
| if (alt_flt_enabled) |
| { |
| for (i = 0; i < MAX_MB_SEGMENTS; i++) |
| { |
| /* Abs value */ |
| if (mbd->mb_segement_abs_delta == SEGMENT_ABSDATA) |
| baseline_filter_level[i] = mbd->segment_feature_data[MB_LVL_ALT_LF][i]; |
| /* Delta Value */ |
| else |
| { |
| baseline_filter_level[i] = default_filt_lvl + mbd->segment_feature_data[MB_LVL_ALT_LF][i]; |
| baseline_filter_level[i] = (baseline_filter_level[i] >= 0) ? ((baseline_filter_level[i] <= MAX_LOOP_FILTER) ? baseline_filter_level[i] : MAX_LOOP_FILTER) : 0; /* Clamp to valid range */ |
| } |
| } |
| } |
| else |
| { |
| for (i = 0; i < MAX_MB_SEGMENTS; i++) |
| baseline_filter_level[i] = default_filt_lvl; |
| } |
| |
| /* Initialize the loop filter for this frame. */ |
| if ((cm->last_filter_type != cm->filter_type) || (cm->last_sharpness_level != cm->sharpness_level)) |
| vp8_init_loop_filter(cm); |
| else if (frame_type != cm->last_frame_type) |
| vp8_frame_init_loop_filter(lfi, frame_type); |
| |
| /* Set up the buffer pointers */ |
| y_ptr = post->y_buffer; |
| u_ptr = post->u_buffer; |
| v_ptr = post->v_buffer; |
| |
| /* vp8_filter each macro block */ |
| for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) |
| { |
| for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) |
| { |
| int Segment = (alt_flt_enabled) ? mbd->mode_info_context->mbmi.segment_id : 0; |
| |
| filter_level = baseline_filter_level[Segment]; |
| |
| /* Distance of Mb to the various image edges. |
| * These specified to 8th pel as they are always compared to values that are in 1/8th pel units |
| * Apply any context driven MB level adjustment |
| */ |
| filter_level = vp8_adjust_mb_lf_value(mbd, filter_level); |
| |
| if (filter_level) |
| { |
| if (mb_col > 0) |
| cm->lf_mbv(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf); |
| |
| if (mbd->mode_info_context->mbmi.dc_diff > 0) |
| cm->lf_bv(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf); |
| |
| /* don't apply across umv border */ |
| if (mb_row > 0) |
| cm->lf_mbh(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf); |
| |
| if (mbd->mode_info_context->mbmi.dc_diff > 0) |
| cm->lf_bh(y_ptr, u_ptr, v_ptr, post->y_stride, post->uv_stride, &lfi[filter_level], cm->simpler_lpf); |
| } |
| |
| y_ptr += 16; |
| u_ptr += 8; |
| v_ptr += 8; |
| |
| mbd->mode_info_context++; /* step to next MB */ |
| } |
| |
| y_ptr += post->y_stride * 16 - post->y_width; |
| u_ptr += post->uv_stride * 8 - post->uv_width; |
| v_ptr += post->uv_stride * 8 - post->uv_width; |
| |
| mbd->mode_info_context++; /* Skip border mb */ |
| } |
| } |
| |
| |
| void vp8_loop_filter_frame_yonly |
| ( |
| VP8_COMMON *cm, |
| MACROBLOCKD *mbd, |
| int default_filt_lvl, |
| int sharpness_lvl |
| ) |
| { |
| YV12_BUFFER_CONFIG *post = cm->frame_to_show; |
| |
| int i; |
| unsigned char *y_ptr; |
| int mb_row; |
| int mb_col; |
| |
| loop_filter_info *lfi = cm->lf_info; |
| int baseline_filter_level[MAX_MB_SEGMENTS]; |
| int filter_level; |
| int alt_flt_enabled = mbd->segmentation_enabled; |
| FRAME_TYPE frame_type = cm->frame_type; |
| |
| (void) sharpness_lvl; |
| |
| /*MODE_INFO * this_mb_mode_info = cm->mi;*/ /* Point at base of Mb MODE_INFO list */ |
| mbd->mode_info_context = cm->mi; /* Point at base of Mb MODE_INFO list */ |
| |
| /* Note the baseline filter values for each segment */ |
| if (alt_flt_enabled) |
| { |
| for (i = 0; i < MAX_MB_SEGMENTS; i++) |
| { |
| /* Abs value */ |
| if (mbd->mb_segement_abs_delta == SEGMENT_ABSDATA) |
| baseline_filter_level[i] = mbd->segment_feature_data[MB_LVL_ALT_LF][i]; |
| /* Delta Value */ |
| else |
| { |
| baseline_filter_level[i] = default_filt_lvl + mbd->segment_feature_data[MB_LVL_ALT_LF][i]; |
| baseline_filter_level[i] = (baseline_filter_level[i] >= 0) ? ((baseline_filter_level[i] <= MAX_LOOP_FILTER) ? baseline_filter_level[i] : MAX_LOOP_FILTER) : 0; /* Clamp to valid range */ |
| } |
| } |
| } |
| else |
| { |
| for (i = 0; i < MAX_MB_SEGMENTS; i++) |
| baseline_filter_level[i] = default_filt_lvl; |
| } |
| |
| /* Initialize the loop filter for this frame. */ |
| if ((cm->last_filter_type != cm->filter_type) || (cm->last_sharpness_level != cm->sharpness_level)) |
| vp8_init_loop_filter(cm); |
| else if (frame_type != cm->last_frame_type) |
| vp8_frame_init_loop_filter(lfi, frame_type); |
| |
| /* Set up the buffer pointers */ |
| y_ptr = post->y_buffer; |
| |
| /* vp8_filter each macro block */ |
| for (mb_row = 0; mb_row < cm->mb_rows; mb_row++) |
| { |
| for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) |
| { |
| int Segment = (alt_flt_enabled) ? mbd->mode_info_context->mbmi.segment_id : 0; |
| filter_level = baseline_filter_level[Segment]; |
| |
| /* Apply any context driven MB level adjustment */ |
| filter_level = vp8_adjust_mb_lf_value(mbd, filter_level); |
| |
| if (filter_level) |
| { |
| if (mb_col > 0) |
| cm->lf_mbv(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| |
| if (mbd->mode_info_context->mbmi.dc_diff > 0) |
| cm->lf_bv(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| |
| /* don't apply across umv border */ |
| if (mb_row > 0) |
| cm->lf_mbh(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| |
| if (mbd->mode_info_context->mbmi.dc_diff > 0) |
| cm->lf_bh(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| } |
| |
| y_ptr += 16; |
| mbd->mode_info_context ++; /* step to next MB */ |
| |
| } |
| |
| y_ptr += post->y_stride * 16 - post->y_width; |
| mbd->mode_info_context ++; /* Skip border mb */ |
| } |
| |
| } |
| |
| |
| void vp8_loop_filter_partial_frame |
| ( |
| VP8_COMMON *cm, |
| MACROBLOCKD *mbd, |
| int default_filt_lvl, |
| int sharpness_lvl, |
| int Fraction |
| ) |
| { |
| YV12_BUFFER_CONFIG *post = cm->frame_to_show; |
| |
| int i; |
| unsigned char *y_ptr; |
| int mb_row; |
| int mb_col; |
| /*int mb_rows = post->y_height >> 4;*/ |
| int mb_cols = post->y_width >> 4; |
| |
| int linestocopy; |
| |
| loop_filter_info *lfi = cm->lf_info; |
| int baseline_filter_level[MAX_MB_SEGMENTS]; |
| int filter_level; |
| int alt_flt_enabled = mbd->segmentation_enabled; |
| FRAME_TYPE frame_type = cm->frame_type; |
| |
| (void) sharpness_lvl; |
| |
| /*MODE_INFO * this_mb_mode_info = cm->mi + (post->y_height>>5) * (mb_cols + 1);*/ /* Point at base of Mb MODE_INFO list */ |
| mbd->mode_info_context = cm->mi + (post->y_height >> 5) * (mb_cols + 1); /* Point at base of Mb MODE_INFO list */ |
| |
| linestocopy = (post->y_height >> (4 + Fraction)); |
| |
| if (linestocopy < 1) |
| linestocopy = 1; |
| |
| linestocopy <<= 4; |
| |
| /* Note the baseline filter values for each segment */ |
| if (alt_flt_enabled) |
| { |
| for (i = 0; i < MAX_MB_SEGMENTS; i++) |
| { |
| /* Abs value */ |
| if (mbd->mb_segement_abs_delta == SEGMENT_ABSDATA) |
| baseline_filter_level[i] = mbd->segment_feature_data[MB_LVL_ALT_LF][i]; |
| /* Delta Value */ |
| else |
| { |
| baseline_filter_level[i] = default_filt_lvl + mbd->segment_feature_data[MB_LVL_ALT_LF][i]; |
| baseline_filter_level[i] = (baseline_filter_level[i] >= 0) ? ((baseline_filter_level[i] <= MAX_LOOP_FILTER) ? baseline_filter_level[i] : MAX_LOOP_FILTER) : 0; /* Clamp to valid range */ |
| } |
| } |
| } |
| else |
| { |
| for (i = 0; i < MAX_MB_SEGMENTS; i++) |
| baseline_filter_level[i] = default_filt_lvl; |
| } |
| |
| /* Initialize the loop filter for this frame. */ |
| if ((cm->last_filter_type != cm->filter_type) || (cm->last_sharpness_level != cm->sharpness_level)) |
| vp8_init_loop_filter(cm); |
| else if (frame_type != cm->last_frame_type) |
| vp8_frame_init_loop_filter(lfi, frame_type); |
| |
| /* Set up the buffer pointers */ |
| y_ptr = post->y_buffer + (post->y_height >> 5) * 16 * post->y_stride; |
| |
| /* vp8_filter each macro block */ |
| for (mb_row = 0; mb_row<(linestocopy >> 4); mb_row++) |
| { |
| for (mb_col = 0; mb_col < mb_cols; mb_col++) |
| { |
| int Segment = (alt_flt_enabled) ? mbd->mode_info_context->mbmi.segment_id : 0; |
| filter_level = baseline_filter_level[Segment]; |
| |
| if (filter_level) |
| { |
| if (mb_col > 0) |
| cm->lf_mbv(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| |
| if (mbd->mode_info_context->mbmi.dc_diff > 0) |
| cm->lf_bv(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| |
| cm->lf_mbh(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| |
| if (mbd->mode_info_context->mbmi.dc_diff > 0) |
| cm->lf_bh(y_ptr, 0, 0, post->y_stride, 0, &lfi[filter_level], 0); |
| } |
| |
| y_ptr += 16; |
| mbd->mode_info_context += 1; /* step to next MB */ |
| } |
| |
| y_ptr += post->y_stride * 16 - post->y_width; |
| mbd->mode_info_context += 1; /* Skip border mb */ |
| } |
| } |
