From 68d8238cca52e50e8cc81bf2edcaf8088c52d4c0 Mon Sep 17 00:00:00 2001 From: "Ronald S. Bultje" Date: Sat, 9 Mar 2013 15:14:35 -0800 Subject: hpeldsp: Add half-pel functions (currently copies of dsputil) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Martin Storsjö --- libavcodec/Makefile | 1 + libavcodec/dsputil.h | 7 +- libavcodec/hpeldsp.c | 56 ++++++++++ libavcodec/hpeldsp.h | 97 ++++++++++++++++ libavcodec/hpeldsp_template.c | 254 ++++++++++++++++++++++++++++++++++++++++++ libavcodec/rnd_avg.h | 7 ++ 6 files changed, 416 insertions(+), 6 deletions(-) create mode 100644 libavcodec/hpeldsp.c create mode 100644 libavcodec/hpeldsp.h create mode 100644 libavcodec/hpeldsp_template.c (limited to 'libavcodec') diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 2e7487c749..416aac3eeb 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -44,6 +44,7 @@ OBJS-$(CONFIG_H264CHROMA) += h264chroma.o OBJS-$(CONFIG_H264DSP) += h264dsp.o h264idct.o OBJS-$(CONFIG_H264PRED) += h264pred.o OBJS-$(CONFIG_H264QPEL) += h264qpel.o +OBJS-$(CONFIG_HPELDSP) += hpeldsp.o OBJS-$(CONFIG_HUFFMAN) += huffman.o OBJS-$(CONFIG_LIBXVID) += libxvid_rc.o OBJS-$(CONFIG_LPC) += lpc.o diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h index 2a7c014fe3..9c4976bc88 100644 --- a/libavcodec/dsputil.h +++ b/libavcodec/dsputil.h @@ -32,6 +32,7 @@ #include "libavutil/intreadwrite.h" #include "avcodec.h" +#include "rnd_avg.h" //#define DEBUG @@ -103,12 +104,6 @@ DEF_OLD_QPEL(qpel8_mc32_old_c) DEF_OLD_QPEL(qpel8_mc13_old_c) DEF_OLD_QPEL(qpel8_mc33_old_c) -#define CALL_2X_PIXELS(a, b, n)\ -static void a(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\ - b(block , pixels , line_size, h);\ - b(block+n, pixels+n, line_size, h);\ -} - /* motion estimation */ // h is limited to {width/2, width, 2*width} but never larger than 16 and never smaller than 2 // although currently h<4 is not used as functions with width <8 are neither used nor implemented diff --git a/libavcodec/hpeldsp.c b/libavcodec/hpeldsp.c new file mode 100644 index 0000000000..426802970c --- /dev/null +++ b/libavcodec/hpeldsp.c @@ -0,0 +1,56 @@ +/* + * Half-pel DSP functions. + * Copyright (c) 2000, 2001 Fabrice Bellard + * Copyright (c) 2002-2004 Michael Niedermayer + * + * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Half-pel DSP functions. + */ + +#include "libavutil/attributes.h" +#include "libavutil/intreadwrite.h" +#include "hpeldsp.h" + +#define BIT_DEPTH 8 +#include "hpeldsp_template.c" + +av_cold void ff_hpeldsp_init(HpelDSPContext *c, int flags) +{ +#define hpel_funcs(prefix, idx, num) \ + c->prefix ## _pixels_tab idx [0] = prefix ## _pixels ## num ## _8_c; \ + c->prefix ## _pixels_tab idx [1] = prefix ## _pixels ## num ## _x2_8_c; \ + c->prefix ## _pixels_tab idx [2] = prefix ## _pixels ## num ## _y2_8_c; \ + c->prefix ## _pixels_tab idx [3] = prefix ## _pixels ## num ## _xy2_8_c + + hpel_funcs(put, [0], 16); + hpel_funcs(put, [1], 8); + hpel_funcs(put, [2], 4); + hpel_funcs(put, [3], 2); + hpel_funcs(put_no_rnd, [0], 16); + hpel_funcs(put_no_rnd, [1], 8); + hpel_funcs(avg, [0], 16); + hpel_funcs(avg, [1], 8); + hpel_funcs(avg, [2], 4); + hpel_funcs(avg, [3], 2); + hpel_funcs(avg_no_rnd,, 16); +} diff --git a/libavcodec/hpeldsp.h b/libavcodec/hpeldsp.h new file mode 100644 index 0000000000..84d567307f --- /dev/null +++ b/libavcodec/hpeldsp.h @@ -0,0 +1,97 @@ +/* + * Half-pel DSP functions. + * Copyright (c) 2000, 2001, 2002 Fabrice Bellard + * Copyright (c) 2002-2004 Michael Niedermayer + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Half-pel DSP functions. + */ + +#ifndef AVCODEC_HPELDSP_H +#define AVCODEC_HPELDSP_H + +#include +#include + +/* add and put pixel (decoding) */ +// blocksizes for hpel_pixels_func are 8x4,8x8 16x8 16x16 +// h for hpel_pixels_func is limited to {width/2, width} but never larger +// than 16 and never smaller than 4 +typedef void (*hpel_pixels_func)(uint8_t *block /*align width (8 or 16)*/, + const uint8_t *pixels /*align 1*/, + ptrdiff_t line_size, int h); + +/** + * Half-pel DSP context. + */ +typedef struct HpelDSPContext { + /** + * Halfpel motion compensation with rounding (a+b+1)>>1. + * this is an array[4][4] of motion compensation functions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions
+ * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + hpel_pixels_func put_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with rounding (a+b+1)>>1. + * This is an array[4][4] of motion compensation functions for 4 + * horizontal blocksizes (8,16) and the 4 halfpel positions
+ * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination into which the result is averaged (a+b+1)>>1 + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + hpel_pixels_func avg_pixels_tab[4][4]; + + /** + * Halfpel motion compensation with no rounding (a+b)>>1. + * this is an array[2][4] of motion compensation functions for 2 + * horizontal blocksizes (8,16) and the 4 halfpel positions
+ * *pixels_tab[ 0->16xH 1->8xH ][ xhalfpel + 2*yhalfpel ] + * @param block destination where the result is stored + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + hpel_pixels_func put_no_rnd_pixels_tab[2][4]; + + /** + * Halfpel motion compensation with no rounding (a+b)>>1. + * this is an array[4] of motion compensation functions for 1 + * horizontal blocksize (16) and the 4 halfpel positions
+ * *pixels_tab[0][ xhalfpel + 2*yhalfpel ] + * @param block destination into which the result is averaged (a+b)>>1 + * @param pixels source + * @param line_size number of bytes in a horizontal line of block + * @param h height + */ + hpel_pixels_func avg_no_rnd_pixels_tab[4]; +} HpelDSPContext; + +void ff_hpeldsp_init(HpelDSPContext *c, int flags); + +#endif /* AVCODEC_HPELDSP_H */ diff --git a/libavcodec/hpeldsp_template.c b/libavcodec/hpeldsp_template.c new file mode 100644 index 0000000000..6518941c9e --- /dev/null +++ b/libavcodec/hpeldsp_template.c @@ -0,0 +1,254 @@ +/* + * Half-pel DSP functions. + * Copyright (c) 2000, 2001 Fabrice Bellard + * Copyright (c) 2002-2004 Michael Niedermayer + * + * gmc & q-pel & 32/64 bit based MC by Michael Niedermayer + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file + * Half-pel DSP functions. + */ + +#include "bit_depth_template.c" + +#include "hpel_template.c" + +#define PIXOP2(OPNAME, OP) \ +static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, int dst_stride, \ + int src_stride1, int src_stride2, int h){\ + int i;\ + for(i=0; i>2; /* FIXME non put */\ + block[1]= (b1+b0)>>2;\ +\ + pixels+=line_size;\ + block +=line_size;\ +\ + a0= pixels[0];\ + b0= pixels[1] + 2;\ + a0 += b0;\ + b0 += pixels[2];\ +\ + block[0]= (a1+a0)>>2;\ + block[1]= (b1+b0)>>2;\ + pixels+=line_size;\ + block +=line_size;\ + }\ +}\ +\ +static inline void FUNCC(OPNAME ## _pixels4_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\ +{\ + /* FIXME HIGH BIT DEPTH */\ + int i;\ + const uint32_t a= AV_RN32(pixels );\ + const uint32_t b= AV_RN32(pixels+1);\ + uint32_t l0= (a&0x03030303UL)\ + + (b&0x03030303UL)\ + + 0x02020202UL;\ + uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + uint32_t l1,h1;\ +\ + pixels+=line_size;\ + for(i=0; i>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\ + pixels+=line_size;\ + block +=line_size;\ + a= AV_RN32(pixels );\ + b= AV_RN32(pixels+1);\ + l0= (a&0x03030303UL)\ + + (b&0x03030303UL)\ + + 0x02020202UL;\ + h0= ((a&0xFCFCFCFCUL)>>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\ + pixels+=line_size;\ + block +=line_size;\ + }\ +}\ +\ +static inline void FUNCC(OPNAME ## _pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\ +{\ + /* FIXME HIGH BIT DEPTH */\ + int j;\ + for(j=0; j<2; j++){\ + int i;\ + const uint32_t a= AV_RN32(pixels );\ + const uint32_t b= AV_RN32(pixels+1);\ + uint32_t l0= (a&0x03030303UL)\ + + (b&0x03030303UL)\ + + 0x02020202UL;\ + uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + uint32_t l1,h1;\ +\ + pixels+=line_size;\ + for(i=0; i>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\ + pixels+=line_size;\ + block +=line_size;\ + a= AV_RN32(pixels );\ + b= AV_RN32(pixels+1);\ + l0= (a&0x03030303UL)\ + + (b&0x03030303UL)\ + + 0x02020202UL;\ + h0= ((a&0xFCFCFCFCUL)>>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\ + pixels+=line_size;\ + block +=line_size;\ + }\ + pixels+=4-line_size*(h+1);\ + block +=4-line_size*h;\ + }\ +}\ +\ +static inline void FUNCC(OPNAME ## _no_rnd_pixels8_xy2)(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)\ +{\ + /* FIXME HIGH BIT DEPTH */\ + int j;\ + for(j=0; j<2; j++){\ + int i;\ + const uint32_t a= AV_RN32(pixels );\ + const uint32_t b= AV_RN32(pixels+1);\ + uint32_t l0= (a&0x03030303UL)\ + + (b&0x03030303UL)\ + + 0x01010101UL;\ + uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + uint32_t l1,h1;\ +\ + pixels+=line_size;\ + for(i=0; i>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\ + pixels+=line_size;\ + block +=line_size;\ + a= AV_RN32(pixels );\ + b= AV_RN32(pixels+1);\ + l0= (a&0x03030303UL)\ + + (b&0x03030303UL)\ + + 0x01010101UL;\ + h0= ((a&0xFCFCFCFCUL)>>2)\ + + ((b&0xFCFCFCFCUL)>>2);\ + OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\ + pixels+=line_size;\ + block +=line_size;\ + }\ + pixels+=4-line_size*(h+1);\ + block +=4-line_size*h;\ + }\ +}\ +\ +CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_x2) , FUNCC(OPNAME ## _pixels8_x2) , 8*sizeof(pixel))\ +CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_y2) , FUNCC(OPNAME ## _pixels8_y2) , 8*sizeof(pixel))\ +CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16_xy2), FUNCC(OPNAME ## _pixels8_xy2), 8*sizeof(pixel))\ +av_unused CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16) , FUNCC(OPNAME ## _pixels8) , 8*sizeof(pixel))\ +CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_x2) , FUNCC(OPNAME ## _no_rnd_pixels8_x2) , 8*sizeof(pixel))\ +CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_y2) , FUNCC(OPNAME ## _no_rnd_pixels8_y2) , 8*sizeof(pixel))\ +CALL_2X_PIXELS(FUNCC(OPNAME ## _no_rnd_pixels16_xy2), FUNCC(OPNAME ## _no_rnd_pixels8_xy2), 8*sizeof(pixel))\ + +#define op_avg(a, b) a = rnd_avg_pixel4(a, b) +#define op_put(a, b) a = b +#if BIT_DEPTH == 8 +#define put_no_rnd_pixels8_8_c put_pixels8_8_c +PIXOP2(avg, op_avg) +PIXOP2(put, op_put) +#endif +#undef op_avg +#undef op_put diff --git a/libavcodec/rnd_avg.h b/libavcodec/rnd_avg.h index c2b90e06d4..73015787e2 100644 --- a/libavcodec/rnd_avg.h +++ b/libavcodec/rnd_avg.h @@ -19,8 +19,15 @@ #ifndef AVCODEC_RND_AVG_H #define AVCODEC_RND_AVG_H +#include #include +#define CALL_2X_PIXELS(a, b, n)\ +static void a(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h){\ + b(block , pixels , line_size, h);\ + b(block+n, pixels+n, line_size, h);\ +} + #define BYTE_VEC32(c) ((c)*0x01010101UL) #define BYTE_VEC64(c) ((c)*0x0001000100010001UL) -- cgit v1.2.3