| /* |
| * 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. |
| */ |
| |
| #ifndef VPX_VP8_COMMON_LOOPFILTER_H_ |
| #define VPX_VP8_COMMON_LOOPFILTER_H_ |
| |
| #include "vpx_ports/mem.h" |
| #include "vpx_config.h" |
| #include "vp8_rtcd.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define MAX_LOOP_FILTER 63 |
| /* fraction of total macroblock rows to be used in fast filter level picking */ |
| /* has to be > 2 */ |
| #define PARTIAL_FRAME_FRACTION 8 |
| |
| typedef enum { NORMAL_LOOPFILTER = 0, SIMPLE_LOOPFILTER = 1 } LOOPFILTERTYPE; |
| |
| #if VPX_ARCH_ARM |
| #define SIMD_WIDTH 1 |
| #else |
| #define SIMD_WIDTH 16 |
| #endif |
| |
| /* Need to align this structure so when it is declared and |
| * passed it can be loaded into vector registers. |
| */ |
| typedef struct { |
| DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, |
| mblim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]); |
| DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, |
| blim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]); |
| DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, |
| lim[MAX_LOOP_FILTER + 1][SIMD_WIDTH]); |
| DECLARE_ALIGNED(SIMD_WIDTH, unsigned char, hev_thr[4][SIMD_WIDTH]); |
| unsigned char lvl[4][4][4]; |
| unsigned char hev_thr_lut[2][MAX_LOOP_FILTER + 1]; |
| unsigned char mode_lf_lut[10]; |
| } loop_filter_info_n; |
| |
| typedef struct loop_filter_info { |
| const unsigned char *mblim; |
| const unsigned char *blim; |
| const unsigned char *lim; |
| const unsigned char *hev_thr; |
| } loop_filter_info; |
| |
| typedef void loop_filter_uvfunction(unsigned char *u, /* source pointer */ |
| int p, /* pitch */ |
| const unsigned char *blimit, |
| const unsigned char *limit, |
| const unsigned char *thresh, |
| unsigned char *v); |
| |
| /* assorted loopfilter functions which get used elsewhere */ |
| struct VP8Common; |
| struct macroblockd; |
| struct modeinfo; |
| |
| void vp8_loop_filter_init(struct VP8Common *cm); |
| |
| void vp8_loop_filter_frame_init(struct VP8Common *cm, struct macroblockd *mbd, |
| int default_filt_lvl); |
| |
| void vp8_loop_filter_frame(struct VP8Common *cm, struct macroblockd *mbd, |
| int frame_type); |
| |
| void vp8_loop_filter_partial_frame(struct VP8Common *cm, |
| struct macroblockd *mbd, |
| int default_filt_lvl); |
| |
| void vp8_loop_filter_frame_yonly(struct VP8Common *cm, struct macroblockd *mbd, |
| int default_filt_lvl); |
| |
| void vp8_loop_filter_update_sharpness(loop_filter_info_n *lfi, |
| int sharpness_lvl); |
| |
| void vp8_loop_filter_row_normal(struct VP8Common *cm, |
| struct modeinfo *mode_info_context, int mb_row, |
| int post_ystride, int post_uvstride, |
| unsigned char *y_ptr, unsigned char *u_ptr, |
| unsigned char *v_ptr); |
| |
| void vp8_loop_filter_row_simple(struct VP8Common *cm, |
| struct modeinfo *mode_info_context, int mb_row, |
| int post_ystride, unsigned char *y_ptr); |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // VPX_VP8_COMMON_LOOPFILTER_H_ |