ref: 36d732c22b9785a54ea1dad44832ef517846ea61
parent: 2fac50fa0ee099c632d97a941a9871e7cecbe720
author: Johann <johannkoenig@google.com>
date: Wed Mar 22 06:15:22 EDT 2017
vp9 temporal filter: add const to function prototype The input frames are not modified. Change-Id: Ideb810e3c5afeb4dbdc4c7d54024c43a8129ad39
--- a/test/temporal_filter_test.cc
+++ b/test/temporal_filter_test.cc
@@ -21,10 +21,11 @@
using ::libvpx_test::ACMRandom;
using ::libvpx_test::Buffer;
-typedef void (*TemporalFilterFunc)(uint8_t *a, unsigned int stride, uint8_t *b,
- unsigned int w, unsigned int h,
- int filter_strength, int filter_weight,
- unsigned int *accumulator, uint16_t *count);
+typedef void (*TemporalFilterFunc)(const uint8_t *a, unsigned int stride,
+ const uint8_t *b, unsigned int w,
+ unsigned int h, int filter_strength,
+ int filter_weight, unsigned int *accumulator,
+ uint16_t *count);
// Calculate the difference between 'a' and 'b', sum in blocks of 9, and apply
// filter based on strength and weight. Store the resulting filter amount in
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -197,7 +197,7 @@
add_proto qw/int vp9_diamond_search_sad/, "const struct macroblock *x, const struct search_site_config *cfg, struct mv *ref_mv, struct mv *best_mv, int search_param, int sad_per_bit, int *num00, const struct vp9_variance_vtable *fn_ptr, const struct mv *center_mv";
specialize qw/vp9_diamond_search_sad avx/;
-add_proto qw/void vp9_temporal_filter_apply/, "uint8_t *frame1, unsigned int stride, uint8_t *frame2, unsigned int block_width, unsigned int block_height, int strength, int filter_weight, unsigned int *accumulator, uint16_t *count";
+add_proto qw/void vp9_temporal_filter_apply/, "const uint8_t *frame1, unsigned int stride, const uint8_t *frame2, unsigned int block_width, unsigned int block_height, int strength, int filter_weight, unsigned int *accumulator, uint16_t *count";
specialize qw/vp9_temporal_filter_apply sse2 msa/;
if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {@@ -217,7 +217,7 @@
add_proto qw/void vp9_highbd_fwht4x4/, "const int16_t *input, tran_low_t *output, int stride";
- add_proto qw/void vp9_highbd_temporal_filter_apply/, "uint8_t *frame1, unsigned int stride, uint8_t *frame2, unsigned int block_width, unsigned int block_height, int strength, int filter_weight, unsigned int *accumulator, uint16_t *count";
+ add_proto qw/void vp9_highbd_temporal_filter_apply/, "const uint8_t *frame1, unsigned int stride, const uint8_t *frame2, unsigned int block_width, unsigned int block_height, int strength, int filter_weight, unsigned int *accumulator, uint16_t *count";
}
# End vp9_high encoder functions
--- a/vp9/encoder/mips/msa/vp9_temporal_filter_msa.c
+++ b/vp9/encoder/mips/msa/vp9_temporal_filter_msa.c
@@ -11,10 +11,11 @@
#include "./vp9_rtcd.h"
#include "vpx_dsp/mips/macros_msa.h"
-static void temporal_filter_apply_8size_msa(uint8_t *frm1_ptr, uint32_t stride,
- uint8_t *frm2_ptr, int32_t filt_sth,
- int32_t filt_wgt, uint32_t *acc,
- uint16_t *cnt) {+static void temporal_filter_apply_8size_msa(const uint8_t *frm1_ptr,
+ uint32_t stride,
+ const uint8_t *frm2_ptr,
+ int32_t filt_sth, int32_t filt_wgt,
+ uint32_t *acc, uint16_t *cnt) {uint32_t row;
uint64_t f0, f1, f2, f3;
v16i8 frm2, frm1 = { 0 };@@ -138,8 +139,9 @@
}
}
-static void temporal_filter_apply_16size_msa(uint8_t *frm1_ptr, uint32_t stride,
- uint8_t *frm2_ptr,
+static void temporal_filter_apply_16size_msa(const uint8_t *frm1_ptr,
+ uint32_t stride,
+ const uint8_t *frm2_ptr,
int32_t filt_sth, int32_t filt_wgt,
uint32_t *acc, uint16_t *cnt) {uint32_t row;
@@ -265,8 +267,8 @@
}
}
-void vp9_temporal_filter_apply_msa(uint8_t *frame1_ptr, uint32_t stride,
- uint8_t *frame2_ptr, uint32_t blk_w,
+void vp9_temporal_filter_apply_msa(const uint8_t *frame1_ptr, uint32_t stride,
+ const uint8_t *frame2_ptr, uint32_t blk_w,
uint32_t blk_h, int32_t strength,
int32_t filt_wgt, uint32_t *accu,
uint16_t *cnt) {--- a/vp9/encoder/vp9_temporal_filter.c
+++ b/vp9/encoder/vp9_temporal_filter.c
@@ -89,8 +89,9 @@
for (i = 1; i < 512; ++i) fixed_divide[i] = 0x80000 / i;
}
-void vp9_temporal_filter_apply_c(uint8_t *frame1, unsigned int stride,
- uint8_t *frame2, unsigned int block_width,
+void vp9_temporal_filter_apply_c(const uint8_t *frame1, unsigned int stride,
+ const uint8_t *frame2,
+ unsigned int block_width,
unsigned int block_height, int strength,
int filter_weight, unsigned int *accumulator,
uint16_t *count) {@@ -152,11 +153,11 @@
#if CONFIG_VP9_HIGHBITDEPTH
void vp9_highbd_temporal_filter_apply_c(
- uint8_t *frame1_8, unsigned int stride, uint8_t *frame2_8,
+ const uint8_t *frame1_8, unsigned int stride, const uint8_t *frame2_8,
unsigned int block_width, unsigned int block_height, int strength,
int filter_weight, unsigned int *accumulator, uint16_t *count) {- uint16_t *frame1 = CONVERT_TO_SHORTPTR(frame1_8);
- uint16_t *frame2 = CONVERT_TO_SHORTPTR(frame2_8);
+ const uint16_t *frame1 = CONVERT_TO_SHORTPTR(frame1_8);
+ const uint16_t *frame2 = CONVERT_TO_SHORTPTR(frame2_8);
unsigned int i, j, k;
int modifier;
int byte = 0;
--
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