/*****************************************************************************
-* deblock.c: Altivec-accelerated deblocking for h264 encoder
-*****************************************************************************
-* Copyright (C) 2007-2008 Guillaume Poirier <gpoirier@mplayerhq.hu>
-*
-* This program is free software; you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation; either version 2 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
-*****************************************************************************/
-
-#if defined SYS_LINUX
-#include <altivec.h>
-#endif
+ * deblock.c: ppc deblocking
+ *****************************************************************************
+ * Copyright (C) 2007-2016 x264 project
+ *
+ * Authors: Guillaume Poirier <gpoirier@mplayerhq.hu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
+ *
+ * This program is also available under a commercial proprietary license.
+ * For more information, contact us at licensing@x264.com.
+ *****************************************************************************/
#include "common/common.h"
#include "ppccommon.h"
-#define transpose4x16(r0, r1, r2, r3) { \
+#if !HIGH_BIT_DEPTH
+#define transpose4x16(r0, r1, r2, r3) \
+{ \
register vec_u8_t r4; \
register vec_u8_t r5; \
register vec_u8_t r6; \
r3 = vec_mergel(r5, r7); /*all set 3*/ \
}
-static inline void write16x4(uint8_t *dst, int dst_stride,
- register vec_u8_t r0, register vec_u8_t r1,
- register vec_u8_t r2, register vec_u8_t r3) {
- DECLARE_ALIGNED_16(unsigned char result[64]);
+static inline void write16x4( uint8_t *dst, int dst_stride,
+ register vec_u8_t r0, register vec_u8_t r1,
+ register vec_u8_t r2, register vec_u8_t r3 )
+{
+ ALIGNED_16(unsigned char result[64]);
uint32_t *src_int = (uint32_t *)result, *dst_int = (uint32_t *)dst;
- int int_dst_stride = dst_stride/4;
+ int int_dst_stride = dst_stride >> 2;
vec_st(r0, 0, result);
vec_st(r1, 16, result);
}
/** \brief performs a 6x16 transpose of data in src, and stores it to dst */
-#define readAndTranspose16x6(src, src_stride, r8, r9, r10, r11, r12, r13) {\
+#define read_and_transpose16x6(src, src_stride, r8, r9, r10, r11, r12, r13)\
+{\
register vec_u8_t r0, r1, r2, r3, r4, r5, r6, r7, r14, r15;\
VEC_LOAD(src, r0, 16, vec_u8_t, pix ); \
VEC_LOAD(src + src_stride, r1, 16, vec_u8_t, pix ); \
}
// out: o = |x-y| < a
-static inline vec_u8_t diff_lt_altivec ( register vec_u8_t x,
- register vec_u8_t y,
- register vec_u8_t a) {
-
+static inline vec_u8_t diff_lt_altivec( register vec_u8_t x, register vec_u8_t y, register vec_u8_t a )
+{
register vec_u8_t diff = vec_subs(x, y);
register vec_u8_t diffneg = vec_subs(y, x);
register vec_u8_t o = vec_or(diff, diffneg); /* |x-y| */
return o;
}
-static inline vec_u8_t h264_deblock_mask ( register vec_u8_t p0,
- register vec_u8_t p1,
- register vec_u8_t q0,
- register vec_u8_t q1,
- register vec_u8_t alpha,
- register vec_u8_t beta) {
-
+static inline vec_u8_t h264_deblock_mask( register vec_u8_t p0, register vec_u8_t p1, register vec_u8_t q0,
+ register vec_u8_t q1, register vec_u8_t alpha, register vec_u8_t beta )
+{
register vec_u8_t mask;
register vec_u8_t tempmask;
}
// out: newp1 = clip((p2 + ((p0 + q0 + 1) >> 1)) >> 1, p1-tc0, p1+tc0)
-static inline vec_u8_t h264_deblock_q1(register vec_u8_t p0,
- register vec_u8_t p1,
- register vec_u8_t p2,
- register vec_u8_t q0,
- register vec_u8_t tc0) {
+static inline vec_u8_t h264_deblock_q1( register vec_u8_t p0, register vec_u8_t p1, register vec_u8_t p2,
+ register vec_u8_t q0, register vec_u8_t tc0 )
+{
register vec_u8_t average = vec_avg(p0, q0);
register vec_u8_t temp;
return newp1;
}
-#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) { \
- \
+#define h264_deblock_p0_q0(p0, p1, q0, q1, tc0masked) \
+{ \
const vec_u8_t A0v = vec_sl(vec_splat_u8(10), vec_splat_u8(4)); \
\
register vec_u8_t pq0bit = vec_xor(p0,q0); \
q0 = vec_adds(q0, deltaneg); \
}
-#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) { \
- DECLARE_ALIGNED_16(unsigned char temp[16]); \
+#define h264_loop_filter_luma_altivec(p2, p1, p0, q0, q1, q2, alpha, beta, tc0) \
+{ \
+ ALIGNED_16(unsigned char temp[16]); \
register vec_u8_t alphavec; \
register vec_u8_t betavec; \
register vec_u8_t mask; \
alphavec = vec_splat(alphavec, 0x0); \
mask = h264_deblock_mask(p0, p1, q0, q1, alphavec, betavec); /*if in block */ \
\
- *((int *)temp) = *((int *)tc0); \
+ M32( temp ) = M32( tc0 ); \
tc0vec = vec_ld(0, (signed char*)temp); \
tc0vec = vec_mergeh(tc0vec, tc0vec); \
tc0vec = vec_mergeh(tc0vec, tc0vec); \
q1 = newq1; \
}
-void x264_deblock_v_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
-
- if((tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0) {
+void x264_deblock_v_luma_altivec( uint8_t *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 )
+{
+ if( (tc0[0] & tc0[1] & tc0[2] & tc0[3]) >= 0 )
+ {
register vec_u8_t p2 = vec_ld(-3*stride, pix);
register vec_u8_t p1 = vec_ld(-2*stride, pix);
register vec_u8_t p0 = vec_ld(-1*stride, pix);
}
}
-void x264_deblock_h_luma_altivec(uint8_t *pix, int stride, int alpha, int beta, int8_t *tc0) {
+void x264_deblock_h_luma_altivec( uint8_t *pix, intptr_t stride, int alpha, int beta, int8_t *tc0 )
+{
register vec_u8_t line0, line1, line2, line3, line4, line5;
- if((tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0)
+ if( (tc0[0] & tc0[1] & tc0[2] & tc0[3]) < 0 )
return;
PREP_LOAD;
vec_u8_t _pix_ = vec_lvsl(0, pix-3);
- readAndTranspose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
+ read_and_transpose16x6(pix-3, stride, line0, line1, line2, line3, line4, line5);
h264_loop_filter_luma_altivec(line0, line1, line2, line3, line4, line5, alpha, beta, tc0);
transpose4x16(line1, line2, line3, line4);
write16x4(pix-2, stride, line1, line2, line3, line4);
}
+#endif // !HIGH_BIT_DEPTH
projects / x264 / blobdiff