mirror of
https://github.com/webmproject/libwebp.git
synced 2024-12-26 13:48:21 +01:00
use static clipping tables
(shared with mips32) removed abs1[] table along the way sub-1% speed-up, but still... Change-Id: I8c29a8a0285076cb3423b01ffae9fcc465da6a81
This commit is contained in:
parent
0235d5e44b
commit
8992ddb756
@ -26,6 +26,7 @@ LOCAL_SRC_FILES := \
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src/dec/webp.c \
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src/dsp/cpu.c \
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src/dsp/dec.c \
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src/dsp/dec_clip_tables.c \
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src/dsp/dec_mips32.c \
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src/dsp/dec_sse2.c \
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src/dsp/enc.c \
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@ -169,6 +169,7 @@ DEMUX_OBJS = \
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DSP_DEC_OBJS = \
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$(DIROBJ)\dsp\cpu.obj \
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$(DIROBJ)\dsp\dec.obj \
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$(DIROBJ)\dsp\dec_clip_tables.obj \
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$(DIROBJ)\dsp\dec_mips32.obj \
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$(DIROBJ)\dsp\dec_neon.obj \
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$(DIROBJ)\dsp\dec_sse2.obj \
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@ -100,6 +100,7 @@ DEMUX_OBJS = \
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DSP_DEC_OBJS = \
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src/dsp/cpu.o \
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src/dsp/dec.o \
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src/dsp/dec_clip_tables.o \
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src/dsp/dec_mips32.o \
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src/dsp/dec_neon.o \
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src/dsp/dec_sse2.o \
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@ -11,6 +11,7 @@ commondir = $(includedir)/webp
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COMMON_SOURCES =
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COMMON_SOURCES += cpu.c
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COMMON_SOURCES += dec.c
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COMMON_SOURCES += dec_clip_tables.c
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COMMON_SOURCES += dec_mips32.c
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COMMON_SOURCES += dec_neon.c
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COMMON_SOURCES += dec_sse2.c
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105
src/dsp/dec.c
105
src/dsp/dec.c
@ -15,37 +15,6 @@
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#include "../dec/vp8i.h"
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//------------------------------------------------------------------------------
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// run-time tables (~4k)
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static uint8_t abs0[255 + 255 + 1]; // abs(i)
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static uint8_t abs1[255 + 255 + 1]; // abs(i)>>1
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static int8_t sclip1[1020 + 1020 + 1]; // clips [-1020, 1020] to [-128, 127]
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static int8_t sclip2[112 + 112 + 1]; // clips [-112, 112] to [-16, 15]
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static uint8_t clip1[255 + 510 + 1]; // clips [-255,510] to [0,255]
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// We declare this variable 'volatile' to prevent instruction reordering
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// and make sure it's set to true _last_ (so as to be thread-safe)
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static volatile int tables_ok = 0;
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static void DspInitTables(void) {
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if (!tables_ok) {
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int i;
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for (i = -255; i <= 255; ++i) {
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abs0[255 + i] = (i < 0) ? -i : i;
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abs1[255 + i] = abs0[255 + i] >> 1;
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}
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for (i = -1020; i <= 1020; ++i) {
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sclip1[1020 + i] = (i < -128) ? -128 : (i > 127) ? 127 : i;
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}
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for (i = -112; i <= 112; ++i) {
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sclip2[112 + i] = (i < -16) ? -16 : (i > 15) ? 15 : i;
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}
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for (i = -255; i <= 255 + 255; ++i) {
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clip1[255 + i] = (i < 0) ? 0 : (i > 255) ? 255 : i;
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}
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tables_ok = 1;
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}
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}
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static WEBP_INLINE uint8_t clip_8b(int v) {
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return (!(v & ~0xff)) ? v : (v < 0) ? 0 : 255;
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@ -193,7 +162,7 @@ void (*VP8TransformWHT)(const int16_t* in, int16_t* out) = TransformWHT;
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static WEBP_INLINE void TrueMotion(uint8_t *dst, int size) {
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const uint8_t* top = dst - BPS;
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const uint8_t* const clip0 = clip1 + 255 - top[-1];
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const uint8_t* const clip0 = VP8kclip1 - top[-1];
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int y;
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for (y = 0; y < size; ++y) {
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const uint8_t* const clip = clip0 + dst[-1];
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@ -512,61 +481,61 @@ const VP8PredFunc VP8PredChroma8[NUM_B_DC_MODES] = {
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// 4 pixels in, 2 pixels out
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static WEBP_INLINE void do_filter2(uint8_t* p, int step) {
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const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];
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const int a = 3 * (q0 - p0) + sclip1[1020 + p1 - q1];
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const int a1 = sclip2[112 + ((a + 4) >> 3)];
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const int a2 = sclip2[112 + ((a + 3) >> 3)];
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p[-step] = clip1[255 + p0 + a2];
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p[ 0] = clip1[255 + q0 - a1];
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const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1];
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const int a1 = VP8ksclip2[(a + 4) >> 3];
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const int a2 = VP8ksclip2[(a + 3) >> 3];
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p[-step] = VP8kclip1[p0 + a2];
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p[ 0] = VP8kclip1[q0 - a1];
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}
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// 4 pixels in, 4 pixels out
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static WEBP_INLINE void do_filter4(uint8_t* p, int step) {
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const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];
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const int a = 3 * (q0 - p0);
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const int a1 = sclip2[112 + ((a + 4) >> 3)];
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const int a2 = sclip2[112 + ((a + 3) >> 3)];
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const int a1 = VP8ksclip2[(a + 4) >> 3];
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const int a2 = VP8ksclip2[(a + 3) >> 3];
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const int a3 = (a1 + 1) >> 1;
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p[-2*step] = clip1[255 + p1 + a3];
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p[- step] = clip1[255 + p0 + a2];
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p[ 0] = clip1[255 + q0 - a1];
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p[ step] = clip1[255 + q1 - a3];
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p[-2*step] = VP8kclip1[p1 + a3];
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p[- step] = VP8kclip1[p0 + a2];
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p[ 0] = VP8kclip1[q0 - a1];
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p[ step] = VP8kclip1[q1 - a3];
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}
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// 6 pixels in, 6 pixels out
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static WEBP_INLINE void do_filter6(uint8_t* p, int step) {
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const int p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step];
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const int q0 = p[0], q1 = p[step], q2 = p[2*step];
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const int a = sclip1[1020 + 3 * (q0 - p0) + sclip1[1020 + p1 - q1]];
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const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]];
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const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7
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const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7
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const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7
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p[-3*step] = clip1[255 + p2 + a3];
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p[-2*step] = clip1[255 + p1 + a2];
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p[- step] = clip1[255 + p0 + a1];
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p[ 0] = clip1[255 + q0 - a1];
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p[ step] = clip1[255 + q1 - a2];
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p[ 2*step] = clip1[255 + q2 - a3];
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p[-3*step] = VP8kclip1[p2 + a3];
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p[-2*step] = VP8kclip1[p1 + a2];
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p[- step] = VP8kclip1[p0 + a1];
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p[ 0] = VP8kclip1[q0 - a1];
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p[ step] = VP8kclip1[q1 - a2];
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p[ 2*step] = VP8kclip1[q2 - a3];
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}
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static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) {
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const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];
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return (abs0[255 + p1 - p0] > thresh) || (abs0[255 + q1 - q0] > thresh);
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return (VP8kabs0[p1 - p0] > thresh) || (VP8kabs0[q1 - q0] > thresh);
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}
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static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int thresh) {
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const int p1 = p[-2*step], p0 = p[-step], q0 = p[0], q1 = p[step];
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return (2 * abs0[255 + p0 - q0] + abs1[255 + p1 - q1]) <= thresh;
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static WEBP_INLINE int needs_filter(const uint8_t* p, int step, int t) {
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const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
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return ((4 * VP8kabs0[p0 - q0] + VP8kabs0[p1 - q1]) <= t);
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}
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static WEBP_INLINE int needs_filter2(const uint8_t* p,
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int step, int t, int it) {
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const int p3 = p[-4*step], p2 = p[-3*step], p1 = p[-2*step], p0 = p[-step];
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const int q0 = p[0], q1 = p[step], q2 = p[2*step], q3 = p[3*step];
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if ((2 * abs0[255 + p0 - q0] + abs1[255 + p1 - q1]) > t)
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return 0;
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return abs0[255 + p3 - p2] <= it && abs0[255 + p2 - p1] <= it &&
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abs0[255 + p1 - p0] <= it && abs0[255 + q3 - q2] <= it &&
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abs0[255 + q2 - q1] <= it && abs0[255 + q1 - q0] <= it;
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const int p3 = p[-4 * step], p2 = p[-3 * step], p1 = p[-2 * step];
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const int p0 = p[-step], q0 = p[0];
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const int q1 = p[step], q2 = p[2 * step], q3 = p[3 * step];
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if ((4 * VP8kabs0[p0 - q0] + VP8kabs0[p1 - q1]) > t) return 0;
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return VP8kabs0[p3 - p2] <= it && VP8kabs0[p2 - p1] <= it &&
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VP8kabs0[p1 - p0] <= it && VP8kabs0[q3 - q2] <= it &&
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VP8kabs0[q2 - q1] <= it && VP8kabs0[q1 - q0] <= it;
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}
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//------------------------------------------------------------------------------
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@ -574,8 +543,9 @@ static WEBP_INLINE int needs_filter2(const uint8_t* p,
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static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
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int i;
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const int thresh2 = 2 * thresh + 1;
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for (i = 0; i < 16; ++i) {
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if (needs_filter(p + i, stride, thresh)) {
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if (needs_filter(p + i, stride, thresh2)) {
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do_filter2(p + i, stride);
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}
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}
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@ -583,8 +553,9 @@ static void SimpleVFilter16(uint8_t* p, int stride, int thresh) {
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static void SimpleHFilter16(uint8_t* p, int stride, int thresh) {
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int i;
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const int thresh2 = 2 * thresh + 1;
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for (i = 0; i < 16; ++i) {
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if (needs_filter(p + i * stride, 1, thresh)) {
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if (needs_filter(p + i * stride, 1, thresh2)) {
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do_filter2(p + i * stride, 1);
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}
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}
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@ -612,8 +583,9 @@ static void SimpleHFilter16i(uint8_t* p, int stride, int thresh) {
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static WEBP_INLINE void FilterLoop26(uint8_t* p,
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int hstride, int vstride, int size,
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int thresh, int ithresh, int hev_thresh) {
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const int thresh2 = 2 * thresh + 1;
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while (size-- > 0) {
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if (needs_filter2(p, hstride, thresh, ithresh)) {
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if (needs_filter2(p, hstride, thresh2, ithresh)) {
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if (hev(p, hstride, hev_thresh)) {
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do_filter2(p, hstride);
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} else {
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@ -627,8 +599,9 @@ static WEBP_INLINE void FilterLoop26(uint8_t* p,
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static WEBP_INLINE void FilterLoop24(uint8_t* p,
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int hstride, int vstride, int size,
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int thresh, int ithresh, int hev_thresh) {
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const int thresh2 = 2 * thresh + 1;
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while (size-- > 0) {
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if (needs_filter2(p, hstride, thresh, ithresh)) {
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if (needs_filter2(p, hstride, thresh2, ithresh)) {
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if (hev(p, hstride, hev_thresh)) {
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do_filter2(p, hstride);
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} else {
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@ -720,7 +693,7 @@ extern void VP8DspInitNEON(void);
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extern void VP8DspInitMIPS32(void);
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void VP8DspInit(void) {
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DspInitTables();
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VP8InitClipTables();
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VP8Transform = TransformTwo;
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VP8TransformUV = TransformUV;
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@ -24,312 +24,43 @@ static WEBP_INLINE int abs_mips32(int x) {
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return (x ^ sign) - sign;
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}
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// clips [-1020, 1020] to [-128, 127]
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static const int8_t sclip1[1020 + 1020 + 1] = {
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
|
||||
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||||
0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f
|
||||
};
|
||||
|
||||
// clips [-112, 112] to [-16, 15]
|
||||
static const int8_t sclip2[112 + 112 + 1] = {
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
|
||||
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb,
|
||||
0xfc, 0xfd, 0xfe, 0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
|
||||
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
|
||||
0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f
|
||||
};
|
||||
|
||||
// clips [-255,510] to [0,255]
|
||||
static const uint8_t clip1[255 + 510 + 1] = {
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||||
0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
|
||||
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14,
|
||||
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
|
||||
0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c,
|
||||
0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
|
||||
0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44,
|
||||
0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50,
|
||||
0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c,
|
||||
0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68,
|
||||
0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, 0x70, 0x71, 0x72, 0x73, 0x74,
|
||||
0x75, 0x76, 0x77, 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, 0x80,
|
||||
0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c,
|
||||
0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
|
||||
0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4,
|
||||
0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, 0xb0,
|
||||
0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xbb, 0xbc,
|
||||
0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8,
|
||||
0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0, 0xd1, 0xd2, 0xd3, 0xd4,
|
||||
0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, 0xe0,
|
||||
0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb, 0xec,
|
||||
0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8,
|
||||
0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
|
||||
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
|
||||
};
|
||||
|
||||
static const int8_t* const psclip1 = &sclip1[1020];
|
||||
static const int8_t* const psclip2 = &sclip2[112];
|
||||
static const uint8_t* const pclip1 = &clip1[255];
|
||||
|
||||
// 4 pixels in, 2 pixels out
|
||||
static WEBP_INLINE void do_filter2(uint8_t* p, int step) {
|
||||
const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
|
||||
const int a = 3 * (q0 - p0) + psclip1[p1 - q1];
|
||||
const int a1 = psclip2[(a + 4) >> 3];
|
||||
const int a2 = psclip2[(a + 3) >> 3];
|
||||
p[-step] = pclip1[p0 + a2];
|
||||
p[ 0] = pclip1[q0 - a1];
|
||||
const int a = 3 * (q0 - p0) + VP8ksclip1[p1 - q1];
|
||||
const int a1 = VP8ksclip2[(a + 4) >> 3];
|
||||
const int a2 = VP8ksclip2[(a + 3) >> 3];
|
||||
p[-step] = VP8kclip1[p0 + a2];
|
||||
p[ 0] = VP8kclip1[q0 - a1];
|
||||
}
|
||||
|
||||
// 4 pixels in, 4 pixels out
|
||||
static WEBP_INLINE void do_filter4(uint8_t* p, int step) {
|
||||
const int p1 = p[-2 * step], p0 = p[-step], q0 = p[0], q1 = p[step];
|
||||
const int a = 3 * (q0 - p0);
|
||||
const int a1 = psclip2[(a + 4) >> 3];
|
||||
const int a2 = psclip2[(a + 3) >> 3];
|
||||
const int a1 = VP8ksclip2[(a + 4) >> 3];
|
||||
const int a2 = VP8ksclip2[(a + 3) >> 3];
|
||||
const int a3 = (a1 + 1) >> 1;
|
||||
p[-2 * step] = pclip1[p1 + a3];
|
||||
p[- step] = pclip1[p0 + a2];
|
||||
p[ 0] = pclip1[q0 - a1];
|
||||
p[ step] = pclip1[q1 - a3];
|
||||
p[-2 * step] = VP8kclip1[p1 + a3];
|
||||
p[- step] = VP8kclip1[p0 + a2];
|
||||
p[ 0] = VP8kclip1[q0 - a1];
|
||||
p[ step] = VP8kclip1[q1 - a3];
|
||||
}
|
||||
|
||||
// 6 pixels in, 6 pixels out
|
||||
static WEBP_INLINE void do_filter6(uint8_t* p, int step) {
|
||||
const int p2 = p[-3 * step], p1 = p[-2 * step], p0 = p[-step];
|
||||
const int q0 = p[0], q1 = p[step], q2 = p[2 * step];
|
||||
const int a = psclip1[3 * (q0 - p0) + psclip1[p1 - q1]];
|
||||
const int a = VP8ksclip1[3 * (q0 - p0) + VP8ksclip1[p1 - q1]];
|
||||
const int a1 = (27 * a + 63) >> 7; // eq. to ((3 * a + 7) * 9) >> 7
|
||||
const int a2 = (18 * a + 63) >> 7; // eq. to ((2 * a + 7) * 9) >> 7
|
||||
const int a3 = (9 * a + 63) >> 7; // eq. to ((1 * a + 7) * 9) >> 7
|
||||
p[-3 * step] = pclip1[p2 + a3];
|
||||
p[-2 * step] = pclip1[p1 + a2];
|
||||
p[- step] = pclip1[p0 + a1];
|
||||
p[ 0] = pclip1[q0 - a1];
|
||||
p[ step] = pclip1[q1 - a2];
|
||||
p[ 2 * step] = pclip1[q2 - a3];
|
||||
p[-3 * step] = VP8kclip1[p2 + a3];
|
||||
p[-2 * step] = VP8kclip1[p1 + a2];
|
||||
p[- step] = VP8kclip1[p0 + a1];
|
||||
p[ 0] = VP8kclip1[q0 - a1];
|
||||
p[ step] = VP8kclip1[q1 - a2];
|
||||
p[ 2 * step] = VP8kclip1[q2 - a3];
|
||||
}
|
||||
|
||||
static WEBP_INLINE int hev(const uint8_t* p, int step, int thresh) {
|
||||
@ -826,6 +557,8 @@ extern void VP8DspInitMIPS32(void);
|
||||
|
||||
void VP8DspInitMIPS32(void) {
|
||||
#if defined(WEBP_USE_MIPS32)
|
||||
VP8InitClipTables();
|
||||
|
||||
VP8Transform = TransformTwoMIPS32;
|
||||
|
||||
VP8VFilter16 = VFilter16MIPS32;
|
||||
|
@ -127,6 +127,13 @@ extern const VP8PredFunc VP8PredLuma16[/* NUM_B_DC_MODES */];
|
||||
extern const VP8PredFunc VP8PredChroma8[/* NUM_B_DC_MODES */];
|
||||
extern const VP8PredFunc VP8PredLuma4[/* NUM_BMODES */];
|
||||
|
||||
// clipping tables (for filtering)
|
||||
extern const int8_t* const VP8ksclip1; // clips [-1020, 1020] to [-128, 127]
|
||||
extern const int8_t* const VP8ksclip2; // clips [-112, 112] to [-16, 15]
|
||||
extern const uint8_t* const VP8kclip1; // clips [-255,511] to [0,255]
|
||||
extern const uint8_t* const VP8kabs0; // abs(x) for x in [-255,255]
|
||||
void VP8InitClipTables(void); // must be called first
|
||||
|
||||
// simple filter (only for luma)
|
||||
typedef void (*VP8SimpleFilterFunc)(uint8_t* p, int stride, int thresh);
|
||||
extern VP8SimpleFilterFunc VP8SimpleVFilter16;
|
||||
|
Loading…
Reference in New Issue
Block a user