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Merge "Code cleanup." into experimental

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This commit is contained in:
Dmitry Kovalev
2013-02-25 13:58:06 -08:00
committed by Gerrit Code Review
parent e7b67d33a9 20b0cb599b
commit 0287d20a05
1 changed files with 38 additions and 46 deletions
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84
vp9/common/vp9_idctllm.c
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@@ -24,12 +24,20 @@
**************************************************************************/ **************************************************************************/
#include <assert.h> #include <assert.h>
#include <math.h> #include <math.h>
#include "./vpx_config.h" #include "./vpx_config.h"
#include "vp9/common/vp9_systemdependent.h" #include "vp9/common/vp9_systemdependent.h"
#include "vp9/common/vp9_blockd.h" #include "vp9/common/vp9_blockd.h"
#include "vp9/common/vp9_common.h" #include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_idct.h" #include "vp9/common/vp9_idct.h"
#define ROUND_POWER_OF_TWO(value, n) (((value) + (1 << ((n) - 1))) >> (n))
/* If we don't want to use ROUND_POWER_OF_TWO macro
static INLINE int16_t round_power_of_two(int16_t value, int n) {
return (value + (1 << (n - 1))) >> n;
}*/
void vp9_short_inv_walsh4x4_x8_c(int16_t *input, int16_t *output, int pitch) { void vp9_short_inv_walsh4x4_x8_c(int16_t *input, int16_t *output, int pitch) {
int i; int i;
int a1, b1, c1, d1; int a1, b1, c1, d1;
@@ -38,10 +46,10 @@ void vp9_short_inv_walsh4x4_x8_c(int16_t *input, int16_t *output, int pitch) {
int shortpitch = pitch >> 1; int shortpitch = pitch >> 1;
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
a1 = ((ip[0] + ip[3])) >> WHT_UPSCALE_FACTOR; a1 = (ip[0] + ip[3]) >> WHT_UPSCALE_FACTOR;
b1 = ((ip[1] + ip[2])) >> WHT_UPSCALE_FACTOR; b1 = (ip[1] + ip[2]) >> WHT_UPSCALE_FACTOR;
c1 = ((ip[1] - ip[2])) >> WHT_UPSCALE_FACTOR; c1 = (ip[1] - ip[2]) >> WHT_UPSCALE_FACTOR;
d1 = ((ip[0] - ip[3])) >> WHT_UPSCALE_FACTOR; d1 = (ip[0] - ip[3]) >> WHT_UPSCALE_FACTOR;
op[0] = (a1 + b1 + 1) >> 1; op[0] = (a1 + b1 + 1) >> 1;
op[1] = (c1 + d1) >> 1; op[1] = (c1 + d1) >> 1;
@@ -79,7 +87,7 @@ void vp9_short_inv_walsh4x4_1_x8_c(int16_t *in, int16_t *out, int pitch) {
int shortpitch = pitch >> 1; int shortpitch = pitch >> 1;
op[0] = ((ip[0] >> WHT_UPSCALE_FACTOR) + 1) >> 1; op[0] = ((ip[0] >> WHT_UPSCALE_FACTOR) + 1) >> 1;
op[1] = op[2] = op[3] = ((ip[0] >> WHT_UPSCALE_FACTOR) >> 1); op[1] = op[2] = op[3] = (ip[0] >> WHT_UPSCALE_FACTOR) >> 1;
ip = tmp; ip = tmp;
@@ -101,9 +109,8 @@ void vp9_dc_only_inv_walsh_add_c(int input_dc, uint8_t *pred_ptr,
vp9_short_inv_walsh4x4_1_x8_c(&dc, tmp, 4 << 1); vp9_short_inv_walsh4x4_1_x8_c(&dc, tmp, 4 << 1);
for (r = 0; r < 4; r++) { for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) { for (c = 0; c < 4; c++)
dst_ptr[c] = clip_pixel(tmp[r * 4 + c] + pred_ptr[c]); dst_ptr[c] = clip_pixel(tmp[r * 4 + c] + pred_ptr[c]);
}
dst_ptr += stride; dst_ptr += stride;
pred_ptr += pitch; pred_ptr += pitch;
@@ -150,7 +157,7 @@ void vp9_short_idct4x4llm_c(int16_t *input, int16_t *output, int pitch) {
temp_in[j] = out[j * 4 + i]; temp_in[j] = out[j * 4 + i];
idct4_1d(temp_in, temp_out); idct4_1d(temp_in, temp_out);
for (j = 0; j < 4; ++j) for (j = 0; j < 4; ++j)
output[j * short_pitch + i] = (temp_out[j] + 8) >> 4; output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 4);
} }
} }
@@ -159,19 +166,12 @@ void vp9_short_idct4x4llm_1_c(int16_t *input, int16_t *output, int pitch) {
int a1; int a1;
int16_t *op = output; int16_t *op = output;
int shortpitch = pitch >> 1; int shortpitch = pitch >> 1;
int tmp; int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
int16_t out; out = dct_const_round_shift(out * cospi_16_64);
tmp = input[0] * cospi_16_64; a1 = ROUND_POWER_OF_TWO(out, 4);
out = dct_const_round_shift(tmp);
tmp = out * cospi_16_64;
out = dct_const_round_shift(tmp);
a1 = (out + 8) >> 4;
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
op[0] = a1; op[0] = op[1] = op[2] = op[3] = a1;
op[1] = a1;
op[2] = a1;
op[3] = a1;
op += shortpitch; op += shortpitch;
} }
} }
@@ -180,18 +180,14 @@ void vp9_dc_only_idct_add_c(int input_dc, uint8_t *pred_ptr,
uint8_t *dst_ptr, int pitch, int stride) { uint8_t *dst_ptr, int pitch, int stride) {
int a1; int a1;
int r, c; int r, c;
int tmp; int16_t out = dct_const_round_shift(input_dc * cospi_16_64);
int16_t out; out = dct_const_round_shift(out * cospi_16_64);
tmp = input_dc * cospi_16_64; a1 = ROUND_POWER_OF_TWO(out, 4);
out = dct_const_round_shift(tmp);
tmp = out * cospi_16_64;
out = dct_const_round_shift(tmp);
a1 = (out + 8) >> 4;
for (r = 0; r < 4; r++) { for (r = 0; r < 4; r++) {
for (c = 0; c < 4; c++) { for (c = 0; c < 4; c++)
dst_ptr[c] = clip_pixel(a1 + pred_ptr[c]); dst_ptr[c] = clip_pixel(a1 + pred_ptr[c]);
}
dst_ptr += stride; dst_ptr += stride;
pred_ptr += pitch; pred_ptr += pitch;
} }
@@ -262,7 +258,7 @@ void vp9_short_idct8x8_c(int16_t *input, int16_t *output, int pitch) {
temp_in[j] = out[j * 8 + i]; temp_in[j] = out[j * 8 + i];
idct8_1d(temp_in, temp_out); idct8_1d(temp_in, temp_out);
for (j = 0; j < 8; ++j) for (j = 0; j < 8; ++j)
output[j * short_pitch + i] = (temp_out[j] + 16) >> 5; output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 5);
} }
} }
@@ -354,7 +350,7 @@ void vp9_short_iht4x4_c(int16_t *input, int16_t *output,
temp_in[j] = out[j * 4 + i]; temp_in[j] = out[j * 4 + i];
invc(temp_in, temp_out); invc(temp_in, temp_out);
for (j = 0; j < 4; ++j) for (j = 0; j < 4; ++j)
output[j * short_pitch + i] = (temp_out[j] + 8) >> 4; output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 4);
} }
} }
@@ -373,7 +369,7 @@ static void iadst8_1d(int16_t *input, int16_t *output) {
if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) { if (!(x0 | x1 | x2 | x3 | x4 | x5 | x6 | x7)) {
output[0] = output[1] = output[2] = output[3] = output[4] output[0] = output[1] = output[2] = output[3] = output[4]
= output[5] = output[6] = output[7] = 0; = output[5] = output[6] = output[7] = 0;
return; return;
} }
@@ -483,7 +479,7 @@ void vp9_short_iht8x8_c(int16_t *input, int16_t *output,
temp_in[j] = out[j * 8 + i]; temp_in[j] = out[j * 8 + i];
invc(temp_in, temp_out); invc(temp_in, temp_out);
for (j = 0; j < 8; ++j) for (j = 0; j < 8; ++j)
output[j * short_pitch + i] = (temp_out[j] + 16) >> 5; output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 5);
} }
} }
@@ -509,14 +505,14 @@ void vp9_short_idct10_8x8_c(int16_t *input, int16_t *output, int pitch) {
temp_in[j] = out[j * 8 + i]; temp_in[j] = out[j * 8 + i];
idct8_1d(temp_in, temp_out); idct8_1d(temp_in, temp_out);
for (j = 0; j < 8; ++j) for (j = 0; j < 8; ++j)
output[j * short_pitch + i] = (temp_out[j] + 16) >> 5; output[j * short_pitch + i] = ROUND_POWER_OF_TWO(temp_out[j], 5);
} }
} }
void vp9_short_idct1_8x8_c(int16_t *input, int16_t *output) { void vp9_short_idct1_8x8_c(int16_t *input, int16_t *output) {
int16_t out = dct_const_round_shift(input[0] * cospi_16_64); int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
out = dct_const_round_shift(out * cospi_16_64); out = dct_const_round_shift(out * cospi_16_64);
output[0] = (out + 16) >> 5; output[0] = ROUND_POWER_OF_TWO(out, 5);
} }
void idct16_1d(int16_t *input, int16_t *output) { void idct16_1d(int16_t *input, int16_t *output) {
@@ -703,7 +699,7 @@ void vp9_short_idct16x16_c(int16_t *input, int16_t *output, int pitch) {
temp_in[j] = out[j * 16 + i]; temp_in[j] = out[j * 16 + i];
idct16_1d(temp_in, temp_out); idct16_1d(temp_in, temp_out);
for (j = 0; j < 16; ++j) for (j = 0; j < 16; ++j)
output[j * 16 + i] = (temp_out[j] + 32) >> 6; output[j * 16 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
} }
} }
@@ -924,7 +920,7 @@ void vp9_short_iht16x16_c(int16_t *input, int16_t *output,
temp_in[j] = out[j * 16 + i]; temp_in[j] = out[j * 16 + i];
invc(temp_in, temp_out); invc(temp_in, temp_out);
for (j = 0; j < 16; ++j) for (j = 0; j < 16; ++j)
output[j * 16 + i] = (temp_out[j] + 32) >> 6; output[j * 16 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
} }
} }
@@ -951,19 +947,15 @@ void vp9_short_idct10_16x16_c(int16_t *input, int16_t *output, int pitch) {
temp_in[j] = out[j*16 + i]; temp_in[j] = out[j*16 + i];
idct16_1d(temp_in, temp_out); idct16_1d(temp_in, temp_out);
for (j = 0; j < 16; ++j) for (j = 0; j < 16; ++j)
output[j*16 + i] = (temp_out[j] + 32) >> 6; output[j*16 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
} }
} }
void vp9_short_idct1_16x16_c(int16_t *input, int16_t *output) { void vp9_short_idct1_16x16_c(int16_t *input, int16_t *output) {
int tmp; int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
int16_t out; out = dct_const_round_shift(out * cospi_16_64);
tmp = input[0] * cospi_16_64; output[0] = ROUND_POWER_OF_TWO(out, 6);
out = dct_const_round_shift(tmp);
tmp = out * cospi_16_64;
out = dct_const_round_shift(tmp);
*output = (out + 32) >> 6;
} }
void idct32_1d(int16_t *input, int16_t *output) { void idct32_1d(int16_t *input, int16_t *output) {
@@ -1352,12 +1344,12 @@ void vp9_short_idct32x32_c(int16_t *input, int16_t *output, int pitch) {
temp_in[j] = out[j * 32 + i]; temp_in[j] = out[j * 32 + i];
idct32_1d(temp_in, temp_out); idct32_1d(temp_in, temp_out);
for (j = 0; j < 32; ++j) for (j = 0; j < 32; ++j)
output[j * 32 + i] = (temp_out[j] + 32) >> 6; output[j * 32 + i] = ROUND_POWER_OF_TWO(temp_out[j], 6);
} }
} }
void vp9_short_idct1_32x32_c(int16_t *input, int16_t *output) { void vp9_short_idct1_32x32_c(int16_t *input, int16_t *output) {
int16_t out = dct_const_round_shift(input[0] * cospi_16_64); int16_t out = dct_const_round_shift(input[0] * cospi_16_64);
out = dct_const_round_shift(out * cospi_16_64); out = dct_const_round_shift(out * cospi_16_64);
output[0] = (out + 32) >> 6; output[0] = ROUND_POWER_OF_TWO(out, 6);
} }