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dsputil: Move thirdpel-related bits into their own context

tags/n2.3
Diego Biurrun 12 years ago
parent
82dd1026cf
commit
57f09608e1
12 changed files with 489 additions and 370 deletions
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  1. +2
    -1
      configure
  2. +0
    -3
      doc/optimization.txt
  3. +1
    -0
      libavcodec/Makefile
  4. +1
    -298
      libavcodec/dsputil.c
  5. +0
    -16
      libavcodec/dsputil.h
  6. +1
    -0
      libavcodec/h264qpel_template.c
  7. +0
    -45
      libavcodec/hpel_template.c
  8. +1
    -0
      libavcodec/hpeldsp_template.c
  9. +11
    -7
      libavcodec/svq3.c
  10. +80
    -0
      libavcodec/tpel_template.c
  11. +333
    -0
      libavcodec/tpeldsp.c
  12. +59
    -0
      libavcodec/tpeldsp.h

+ 2
- 1
configure View File

@@ -1537,6 +1537,7 @@ CONFIG_EXTRA="
rtpdec
rtpenc_chain
sinewin
tpeldsp
videodsp
vp3dsp
"
@@ -1820,7 +1821,7 @@ sipr_decoder_select="lsp"
sp5x_decoder_select="mjpeg_decoder"
svq1_decoder_select="hpeldsp"
svq1_encoder_select="aandcttables dsputil hpeldsp mpegvideoenc"
svq3_decoder_select="h264_decoder hpeldsp"
svq3_decoder_select="h264_decoder hpeldsp tpeldsp"
svq3_decoder_suggest="zlib"
tak_decoder_select="dsputil"
theora_decoder_select="vp3_decoder"


+ 0
- 3
doc/optimization.txt View File

@@ -79,9 +79,6 @@ qpel{8,16}_mc??_old_c / *pixels{8,16}_l4
Just used to work around a bug in an old libavcodec encoder version.
Don't optimize them.

tpel_mc_func {put,avg}_tpel_pixels_tab
Used only for SVQ3, so only optimize them if you need fast SVQ3 decoding.

add_bytes/diff_bytes
For huffyuv only, optimize if you want a faster ffhuffyuv codec.



+ 1
- 0
libavcodec/Makefile View File

@@ -65,6 +65,7 @@ OBJS-$(CONFIG_RANGECODER) += rangecoder.o
RDFT-OBJS-$(CONFIG_HARDCODED_TABLES) += sin_tables.o
OBJS-$(CONFIG_RDFT) += rdft.o $(RDFT-OBJS-yes)
OBJS-$(CONFIG_SINEWIN) += sinewin.o
OBJS-$(CONFIG_TPELDSP) += tpeldsp.o
OBJS-$(CONFIG_VAAPI) += vaapi.o
OBJS-$(CONFIG_VDPAU) += vdpau.o
OBJS-$(CONFIG_VIDEODSP) += videodsp.o


+ 1
- 298
libavcodec/dsputil.c View File

@@ -48,6 +48,7 @@ uint32_t ff_square_tab[512] = { 0, };
#undef BIT_DEPTH

#define BIT_DEPTH 8
#include "tpel_template.c"
#include "dsputil_template.c"

// 0x7f7f7f7f or 0x7f7f7f7f7f7f7f7f or whatever, depending on the cpu's native arithmetic size
@@ -540,284 +541,6 @@ void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
}
}

static inline void put_tpel_pixels_mc00_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
switch (width) {
case 2:
put_pixels2_8_c(dst, src, stride, height);
break;
case 4:
put_pixels4_8_c(dst, src, stride, height);
break;
case 8:
put_pixels8_8_c(dst, src, stride, height);
break;
case 16:
put_pixels16_8_c(dst, src, stride, height);
break;
}
}

static inline void put_tpel_pixels_mc10_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + src[j + 1] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc20_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((src[j] + 2 * src[j + 1] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc01_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + src[j + stride] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc11_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((4 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 2 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((3 * src[j] + 2 * src[j + 1] +
4 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc02_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((src[j] + 2 * src[j + stride] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((3 * src[j] + 4 * src[j + 1] +
2 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc22_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 4 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc00_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
switch (width) {
case 2:
avg_pixels2_8_c(dst, src, stride, height);
break;
case 4:
avg_pixels4_8_c(dst, src, stride, height);
break;
case 8:
avg_pixels8_8_c(dst, src, stride, height);
break;
case 16:
avg_pixels16_8_c(dst, src, stride, height);
break;
}
}

static inline void avg_tpel_pixels_mc10_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + src[j + 1] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc20_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((src[j] + 2 * src[j + 1] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc01_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + src[j + stride] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc11_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((4 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 2 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((3 * src[j] + 2 * src[j + 1] +
4 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc02_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((src[j] + 2 * src[j + stride] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((3 * src[j] + 4 * src[j + 1] +
2 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc22_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 4 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

#define QPEL_MC(r, OPNAME, RND, OP) \
static void OPNAME ## mpeg4_qpel8_h_lowpass(uint8_t *dst, uint8_t *src, \
int dstStride, int srcStride, \
@@ -2781,26 +2504,6 @@ av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx)
c->pix_abs[1][2] = pix_abs8_y2_c;
c->pix_abs[1][3] = pix_abs8_xy2_c;

c->put_tpel_pixels_tab[0] = put_tpel_pixels_mc00_c;
c->put_tpel_pixels_tab[1] = put_tpel_pixels_mc10_c;
c->put_tpel_pixels_tab[2] = put_tpel_pixels_mc20_c;
c->put_tpel_pixels_tab[4] = put_tpel_pixels_mc01_c;
c->put_tpel_pixels_tab[5] = put_tpel_pixels_mc11_c;
c->put_tpel_pixels_tab[6] = put_tpel_pixels_mc21_c;
c->put_tpel_pixels_tab[8] = put_tpel_pixels_mc02_c;
c->put_tpel_pixels_tab[9] = put_tpel_pixels_mc12_c;
c->put_tpel_pixels_tab[10] = put_tpel_pixels_mc22_c;

c->avg_tpel_pixels_tab[0] = avg_tpel_pixels_mc00_c;
c->avg_tpel_pixels_tab[1] = avg_tpel_pixels_mc10_c;
c->avg_tpel_pixels_tab[2] = avg_tpel_pixels_mc20_c;
c->avg_tpel_pixels_tab[4] = avg_tpel_pixels_mc01_c;
c->avg_tpel_pixels_tab[5] = avg_tpel_pixels_mc11_c;
c->avg_tpel_pixels_tab[6] = avg_tpel_pixels_mc21_c;
c->avg_tpel_pixels_tab[8] = avg_tpel_pixels_mc02_c;
c->avg_tpel_pixels_tab[9] = avg_tpel_pixels_mc12_c;
c->avg_tpel_pixels_tab[10] = avg_tpel_pixels_mc22_c;

#define dspfunc(PFX, IDX, NUM) \
c->PFX ## _pixels_tab[IDX][0] = PFX ## NUM ## _mc00_c; \
c->PFX ## _pixels_tab[IDX][1] = PFX ## NUM ## _mc10_c; \


+ 0
- 16
libavcodec/dsputil.h View File

@@ -71,9 +71,6 @@ void ff_gmc_c(uint8_t *dst, uint8_t *src, int stride, int h, int ox, int oy,
* Block sizes for op_pixels_func are 8x4,8x8 16x8 16x16.
* h for op_pixels_func is limited to { width / 2, width },
* but never larger than 16 and never smaller than 4. */
typedef void (*tpel_mc_func)(uint8_t *block /* align width (8 or 16) */,
const uint8_t *pixels /* align 1 */,
int line_size, int w, int h);
typedef void (*qpel_mc_func)(uint8_t *dst /* align width (8 or 16) */,
uint8_t *src /* align 1 */, ptrdiff_t stride);

@@ -188,19 +185,6 @@ typedef struct DSPContext {
int (*ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2,
int size);

/**
* Thirdpel motion compensation with rounding (a + b + 1) >> 1.
* this is an array[12] of motion compensation functions for the
* 9 thirdpel positions<br>
* *pixels_tab[xthirdpel + 4 * ythirdpel]
* @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
*/
tpel_mc_func put_tpel_pixels_tab[11]; // FIXME individual func ptr per width?
tpel_mc_func avg_tpel_pixels_tab[11]; // FIXME individual func ptr per width?

qpel_mc_func put_qpel_pixels_tab[2][16];
qpel_mc_func avg_qpel_pixels_tab[2][16];
qpel_mc_func put_no_rnd_qpel_pixels_tab[2][16];


+ 1
- 0
libavcodec/h264qpel_template.c View File

@@ -24,6 +24,7 @@

#include "bit_depth_template.c"
#include "hpel_template.c"
#include "tpel_template.c"

static inline void FUNC(copy_block2)(uint8_t *dst, const uint8_t *src, int dstStride, int srcStride, int h)
{


+ 0
- 45
libavcodec/hpel_template.c View File

@@ -22,47 +22,6 @@
#include "pixels.h"

#define DEF_HPEL(OPNAME, OP) \
static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
int i; \
for (i = 0; i < h; i++) { \
OP(*((pixel2 *) block), AV_RN2P(pixels)); \
pixels += line_size; \
block += line_size; \
} \
} \
\
static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
int i; \
for (i = 0; i < h; i++) { \
OP(*((pixel4 *) block), AV_RN4P(pixels)); \
pixels += line_size; \
block += line_size; \
} \
} \
\
static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
int i; \
for (i = 0; i < h; i++) { \
OP(*((pixel4 *) block), AV_RN4P(pixels)); \
OP(*((pixel4 *) (block + 4 * sizeof(pixel))), \
AV_RN4P(pixels + 4 * sizeof(pixel))); \
pixels += line_size; \
block += line_size; \
} \
} \
\
static inline void FUNC(OPNAME ## _pixels8_l2)(uint8_t *dst, \
const uint8_t *src1, \
const uint8_t *src2, \
@@ -134,10 +93,6 @@ static inline void FUNC(OPNAME ## _pixels16_l2)(uint8_t *dst, \
dst_stride, src_stride1, \
src_stride2, h); \
} \
\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16), \
FUNCC(OPNAME ## _pixels8), \
8 * sizeof(pixel))

#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
#define op_put(a, b) a = b


+ 1
- 0
libavcodec/hpeldsp_template.c View File

@@ -33,6 +33,7 @@
#include "bit_depth_template.c"

#include "hpel_template.c"
#include "tpel_template.c"

#define PIXOP2(OPNAME, OP) \
static inline void FUNC(OPNAME ## _no_rnd_pixels8_l2)(uint8_t *dst, \


+ 11
- 7
libavcodec/svq3.c View File

@@ -54,6 +54,7 @@
#include "golomb.h"
#include "hpeldsp.h"
#include "rectangle.h"
#include "tpeldsp.h"

#if CONFIG_ZLIB
#include <zlib.h>
@@ -70,6 +71,7 @@
typedef struct {
H264Context h;
HpelDSPContext hdsp;
TpelDSPContext tdsp;
H264Picture *cur_pic;
H264Picture *next_pic;
H264Picture *last_pic;
@@ -321,9 +323,9 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
src = h->edge_emu_buffer;
}
if (thirdpel)
(avg ? h->dsp.avg_tpel_pixels_tab
: h->dsp.put_tpel_pixels_tab)[dxy](dest, src, h->linesize,
width, height);
(avg ? s->tdsp.avg_tpel_pixels_tab
: s->tdsp.put_tpel_pixels_tab)[dxy](dest, src, h->linesize,
width, height);
else
(avg ? s->hdsp.avg_pixels_tab
: s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src, h->linesize,
@@ -349,10 +351,10 @@ static inline void svq3_mc_dir_part(SVQ3Context *s,
src = h->edge_emu_buffer;
}
if (thirdpel)
(avg ? h->dsp.avg_tpel_pixels_tab
: h->dsp.put_tpel_pixels_tab)[dxy](dest, src,
h->uvlinesize,
width, height);
(avg ? s->tdsp.avg_tpel_pixels_tab
: s->tdsp.put_tpel_pixels_tab)[dxy](dest, src,
h->uvlinesize,
width, height);
else
(avg ? s->hdsp.avg_pixels_tab
: s->hdsp.put_pixels_tab)[blocksize][dxy](dest, src,
@@ -881,6 +883,8 @@ static av_cold int svq3_decode_init(AVCodecContext *avctx)
return -1;

ff_hpeldsp_init(&s->hdsp, avctx->flags);
ff_tpeldsp_init(&s->tdsp);

h->flags = avctx->flags;
h->is_complex = 1;
h->picture_structure = PICT_FRAME;


+ 80
- 0
libavcodec/tpel_template.c View File

@@ -0,0 +1,80 @@
/*
* 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
*/

#include <stddef.h>
#include <stdint.h>

#include "libavutil/intreadwrite.h"
#include "pixels.h"
#include "rnd_avg.h"

#include "bit_depth_template.c"

#define DEF_TPEL(OPNAME, OP) \
static inline void FUNCC(OPNAME ## _pixels2)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
int i; \
for (i = 0; i < h; i++) { \
OP(*((pixel2 *) block), AV_RN2P(pixels)); \
pixels += line_size; \
block += line_size; \
} \
} \
\
static inline void FUNCC(OPNAME ## _pixels4)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
int i; \
for (i = 0; i < h; i++) { \
OP(*((pixel4 *) block), AV_RN4P(pixels)); \
pixels += line_size; \
block += line_size; \
} \
} \
\
static inline void FUNCC(OPNAME ## _pixels8)(uint8_t *block, \
const uint8_t *pixels, \
ptrdiff_t line_size, \
int h) \
{ \
int i; \
for (i = 0; i < h; i++) { \
OP(*((pixel4 *) block), AV_RN4P(pixels)); \
OP(*((pixel4 *) (block + 4 * sizeof(pixel))), \
AV_RN4P(pixels + 4 * sizeof(pixel))); \
pixels += line_size; \
block += line_size; \
} \
} \
\
CALL_2X_PIXELS(FUNCC(OPNAME ## _pixels16), \
FUNCC(OPNAME ## _pixels8), \
8 * sizeof(pixel))

#define op_avg(a, b) a = rnd_avg_pixel4(a, b)
#define op_put(a, b) a = b

DEF_TPEL(avg, op_avg)
DEF_TPEL(put, op_put)
#undef op_avg
#undef op_put

+ 333
- 0
libavcodec/tpeldsp.c View File

@@ -0,0 +1,333 @@
/*
* thirdpel DSP functions
*
* 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
* thirdpel DSP functions
*/

#include <stdint.h>

#include "libavutil/attributes.h"
#include "tpeldsp.h"

#define BIT_DEPTH 8
#include "tpel_template.c"

static inline void put_tpel_pixels_mc00_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
switch (width) {
case 2:
put_pixels2_8_c(dst, src, stride, height);
break;
case 4:
put_pixels4_8_c(dst, src, stride, height);
break;
case 8:
put_pixels8_8_c(dst, src, stride, height);
break;
case 16:
put_pixels16_8_c(dst, src, stride, height);
break;
}
}

static inline void put_tpel_pixels_mc10_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + src[j + 1] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc20_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((src[j] + 2 * src[j + 1] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc01_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + src[j + stride] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc11_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((4 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 2 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((3 * src[j] + 2 * src[j + 1] +
4 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc02_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((src[j] + 2 * src[j + stride] + 1) *
683) >> 11;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((3 * src[j] + 4 * src[j + 1] +
2 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void put_tpel_pixels_mc22_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = ((2 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 4 * src[j + stride + 1] + 6) *
2731) >> 15;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc00_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
switch (width) {
case 2:
avg_pixels2_8_c(dst, src, stride, height);
break;
case 4:
avg_pixels4_8_c(dst, src, stride, height);
break;
case 8:
avg_pixels8_8_c(dst, src, stride, height);
break;
case 16:
avg_pixels16_8_c(dst, src, stride, height);
break;
}
}

static inline void avg_tpel_pixels_mc10_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + src[j + 1] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc20_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((src[j] + 2 * src[j + 1] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc01_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + src[j + stride] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc11_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((4 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 2 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc12_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((3 * src[j] + 2 * src[j + 1] +
4 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc02_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((src[j] + 2 * src[j + stride] + 1) *
683) >> 11) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc21_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((3 * src[j] + 4 * src[j + 1] +
2 * src[j + stride] + 3 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

static inline void avg_tpel_pixels_mc22_c(uint8_t *dst, const uint8_t *src,
int stride, int width, int height)
{
int i, j;

for (i = 0; i < height; i++) {
for (j = 0; j < width; j++)
dst[j] = (dst[j] +
(((2 * src[j] + 3 * src[j + 1] +
3 * src[j + stride] + 4 * src[j + stride + 1] + 6) *
2731) >> 15) + 1) >> 1;
src += stride;
dst += stride;
}
}

av_cold void ff_tpeldsp_init(TpelDSPContext *c)
{
c->put_tpel_pixels_tab[ 0] = put_tpel_pixels_mc00_c;
c->put_tpel_pixels_tab[ 1] = put_tpel_pixels_mc10_c;
c->put_tpel_pixels_tab[ 2] = put_tpel_pixels_mc20_c;
c->put_tpel_pixels_tab[ 4] = put_tpel_pixels_mc01_c;
c->put_tpel_pixels_tab[ 5] = put_tpel_pixels_mc11_c;
c->put_tpel_pixels_tab[ 6] = put_tpel_pixels_mc21_c;
c->put_tpel_pixels_tab[ 8] = put_tpel_pixels_mc02_c;
c->put_tpel_pixels_tab[ 9] = put_tpel_pixels_mc12_c;
c->put_tpel_pixels_tab[10] = put_tpel_pixels_mc22_c;

c->avg_tpel_pixels_tab[ 0] = avg_tpel_pixels_mc00_c;
c->avg_tpel_pixels_tab[ 1] = avg_tpel_pixels_mc10_c;
c->avg_tpel_pixels_tab[ 2] = avg_tpel_pixels_mc20_c;
c->avg_tpel_pixels_tab[ 4] = avg_tpel_pixels_mc01_c;
c->avg_tpel_pixels_tab[ 5] = avg_tpel_pixels_mc11_c;
c->avg_tpel_pixels_tab[ 6] = avg_tpel_pixels_mc21_c;
c->avg_tpel_pixels_tab[ 8] = avg_tpel_pixels_mc02_c;
c->avg_tpel_pixels_tab[ 9] = avg_tpel_pixels_mc12_c;
c->avg_tpel_pixels_tab[10] = avg_tpel_pixels_mc22_c;
}

+ 59
- 0
libavcodec/tpeldsp.h View File

@@ -0,0 +1,59 @@
/*
* thirdpel DSP functions
*
* 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
* thirdpel DSP functions
*/

#ifndef AVCODEC_TPELDSP_H
#define AVCODEC_TPELDSP_H

#include <stdint.h>

/* 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 (*tpel_mc_func)(uint8_t *block /* align width (8 or 16) */,
const uint8_t *pixels /* align 1 */,
int line_size, int w, int h);

/**
* thirdpel DSP context
*/
typedef struct TpelDSPContext {
/**
* Thirdpel motion compensation with rounding (a + b + 1) >> 1.
* this is an array[12] of motion compensation functions for the
* 9 thirdpel positions<br>
* *pixels_tab[xthirdpel + 4 * ythirdpel]
* @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
*/
tpel_mc_func put_tpel_pixels_tab[11]; // FIXME individual func ptr per width?
tpel_mc_func avg_tpel_pixels_tab[11]; // FIXME individual func ptr per width?
} TpelDSPContext;

void ff_tpeldsp_init(TpelDSPContext *c);

#endif /* AVCODEC_TPELDSP_H */

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