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dsputil: Split off HuffYUV decoding bits into their own context

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Also shorten HuffYUV context member names to avoid clutter.
This commit is contained in:
Diego Biurrun 2014-01-07 12:23:13 +01:00
parent 888dcd8675
commit 0d439fbede
23 changed files with 578 additions and 378 deletions
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7
configure vendored
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@ -1541,6 +1541,7 @@ CONFIG_EXTRA="
h264qpel
hpeldsp
huffman
huffyuvdsp
intrax8
lgplv3
lpc
@ -1771,7 +1772,7 @@ h263p_encoder_select="h263_encoder"
h264_decoder_select="cabac golomb h264chroma h264dsp h264pred h264qpel videodsp"
h264_decoder_suggest="error_resilience"
hevc_decoder_select="cabac dsputil golomb videodsp"
huffyuv_decoder_select="dsputil"
huffyuv_decoder_select="dsputil huffyuvdsp"
huffyuv_encoder_select="dsputil huffman"
iac_decoder_select="imc_decoder"
imc_decoder_select="dsputil fft mdct sinewin"
@ -1780,7 +1781,7 @@ interplay_video_decoder_select="hpeldsp"
jpegls_decoder_select="golomb mjpeg_decoder"
jpegls_encoder_select="golomb"
jv_decoder_select="dsputil"
lagarith_decoder_select="dsputil"
lagarith_decoder_select="huffyuvdsp"
ljpeg_encoder_select="aandcttables mpegvideoenc"
loco_decoder_select="golomb"
mdec_decoder_select="dsputil error_resilience mpegvideo"
@ -1857,7 +1858,7 @@ tscc_decoder_deps="zlib"
twinvq_decoder_select="mdct lsp sinewin"
utvideo_decoder_select="dsputil"
utvideo_encoder_select="dsputil huffman"
vble_decoder_select="dsputil"
vble_decoder_select="huffyuvdsp"
vc1_decoder_select="error_resilience h263_decoder h264chroma h264qpel intrax8"
vc1image_decoder_select="vc1_decoder"
vorbis_decoder_select="mdct"

1
libavcodec/Makefile
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@ -46,6 +46,7 @@ OBJS-$(CONFIG_H264PRED) += h264pred.o
OBJS-$(CONFIG_H264QPEL) += h264qpel.o
OBJS-$(CONFIG_HPELDSP) += hpeldsp.o
OBJS-$(CONFIG_HUFFMAN) += huffman.o
OBJS-$(CONFIG_HUFFYUVDSP) += huffyuvdsp.o
OBJS-$(CONFIG_INTRAX8) += intrax8.o intrax8dsp.o
OBJS-$(CONFIG_LIBXVID) += libxvid_rc.o
OBJS-$(CONFIG_LPC) += lpc.o

98
libavcodec/dsputil.c
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@ -1663,19 +1663,6 @@ void ff_set_cmp(DSPContext *c, me_cmp_func *cmp, int type)
}
}
static void add_bytes_c(uint8_t *dst, uint8_t *src, int w)
{
long i;
for (i = 0; i <= w - (int) sizeof(long); i += sizeof(long)) {
long a = *(long *) (src + i);
long b = *(long *) (dst + i);
*(long *) (dst + i) = ((a & pb_7f) + (b & pb_7f)) ^ ((a ^ b) & pb_80);
}
for (; i < w; i++)
dst[i + 0] += src[i + 0];
}
static void diff_bytes_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
{
long i;
@ -1704,26 +1691,6 @@ static void diff_bytes_c(uint8_t *dst, uint8_t *src1, uint8_t *src2, int w)
dst[i + 0] = src1[i + 0] - src2[i + 0];
}
static void add_hfyu_median_prediction_c(uint8_t *dst, const uint8_t *src1,
const uint8_t *diff, int w,
int *left, int *left_top)
{
int i;
uint8_t l, lt;
l = *left;
lt = *left_top;
for (i = 0; i < w; i++) {
l = mid_pred(l, src1[i], (l + src1[i] - lt) & 0xFF) + diff[i];
lt = src1[i];
dst[i] = l;
}
*left = l;
*left_top = lt;
}
static void sub_hfyu_median_prediction_c(uint8_t *dst, const uint8_t *src1,
const uint8_t *src2, int w,
int *left, int *left_top)
@ -1745,66 +1712,6 @@ static void sub_hfyu_median_prediction_c(uint8_t *dst, const uint8_t *src1,
*left_top = lt;
}
static int add_hfyu_left_prediction_c(uint8_t *dst, const uint8_t *src,
int w, int acc)
{
int i;
for (i = 0; i < w - 1; i++) {
acc += src[i];
dst[i] = acc;
i++;
acc += src[i];
dst[i] = acc;
}
for (; i < w; i++) {
acc += src[i];
dst[i] = acc;
}
return acc;
}
#if HAVE_BIGENDIAN
#define B 3
#define G 2
#define R 1
#define A 0
#else
#define B 0
#define G 1
#define R 2
#define A 3
#endif
static void add_hfyu_left_prediction_bgr32_c(uint8_t *dst, const uint8_t *src,
int w, int *red, int *green,
int *blue, int *alpha)
{
int i, r = *red, g = *green, b = *blue, a = *alpha;
for (i = 0; i < w; i++) {
b += src[4 * i + B];
g += src[4 * i + G];
r += src[4 * i + R];
a += src[4 * i + A];
dst[4 * i + B] = b;
dst[4 * i + G] = g;
dst[4 * i + R] = r;
dst[4 * i + A] = a;
}
*red = r;
*green = g;
*blue = b;
*alpha = a;
}
#undef B
#undef G
#undef R
#undef A
#define BUTTERFLY2(o1, o2, i1, i2) \
o1 = (i1) + (i2); \
o2 = (i1) - (i2);
@ -2578,11 +2485,6 @@ av_cold void ff_dsputil_init(DSPContext *c, AVCodecContext *avctx)
c->ssd_int8_vs_int16 = ssd_int8_vs_int16_c;
c->add_bytes = add_bytes_c;
c->add_hfyu_median_prediction = add_hfyu_median_prediction_c;
c->add_hfyu_left_prediction = add_hfyu_left_prediction_c;
c->add_hfyu_left_prediction_bgr32 = add_hfyu_left_prediction_bgr32_c;
c->diff_bytes = diff_bytes_c;
c->sub_hfyu_median_prediction = sub_hfyu_median_prediction_c;

12
libavcodec/dsputil.h
View File

@ -186,9 +186,6 @@ typedef struct DSPContext {
me_cmp_func pix_abs[2][4];
/* HuffYUV specific */
void (*add_bytes)(uint8_t *dst /* align 16 */,
uint8_t *src /* align 16 */,
int w);
void (*diff_bytes)(uint8_t *dst /* align 16 */,
uint8_t *src1 /* align 16 */,
uint8_t *src2 /* align 1 */,
@ -200,14 +197,7 @@ typedef struct DSPContext {
void (*sub_hfyu_median_prediction)(uint8_t *dst, const uint8_t *src1,
const uint8_t *src2, int w,
int *left, int *left_top);
void (*add_hfyu_median_prediction)(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
int (*add_hfyu_left_prediction)(uint8_t *dst, const uint8_t *src,
int w, int left);
void (*add_hfyu_left_prediction_bgr32)(uint8_t *dst, const uint8_t *src,
int w, int *red, int *green,
int *blue, int *alpha);
void (*bswap_buf)(uint32_t *dst, const uint32_t *src, int w);
void (*bswap16_buf)(uint16_t *dst, const uint16_t *src, int len);

1
libavcodec/huffyuv.c
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@ -33,6 +33,7 @@
#include "libavutil/mem.h"
#include "avcodec.h"
#include "dsputil.h"
#include "huffyuv.h"
int ff_huffyuv_generate_bits_table(uint32_t *dst, const uint8_t *len_table)

2
libavcodec/huffyuv.h
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@ -34,6 +34,7 @@
#include "avcodec.h"
#include "dsputil.h"
#include "get_bits.h"
#include "huffyuvdsp.h"
#include "put_bits.h"
#define VLC_BITS 11
@ -81,6 +82,7 @@ typedef struct HYuvContext {
uint8_t *bitstream_buffer;
unsigned int bitstream_buffer_size;
DSPContext dsp;
HuffYUVDSPContext hdsp;
} HYuvContext;
void ff_huffyuv_common_init(AVCodecContext *s);

62
libavcodec/huffyuvdec.c
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@ -31,6 +31,7 @@
#include "avcodec.h"
#include "get_bits.h"
#include "huffyuv.h"
#include "huffyuvdsp.h"
#include "thread.h"
#define classic_shift_luma_table_size 42
@ -239,6 +240,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
HYuvContext *s = avctx->priv_data;
ff_huffyuv_common_init(avctx);
ff_huffyuvdsp_init(&s->hdsp);
memset(s->vlc, 0, 3 * sizeof(VLC));
s->interlaced = s->height > 288;
@ -542,10 +544,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
case LEFT:
case PLANE:
decode_422_bitstream(s, width-2);
lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width-2, lefty);
lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + 2, s->temp[0], width - 2, lefty);
if (!(s->flags&CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
}
for (cy = y = 1; y < s->height; y++, cy++) {
@ -556,10 +558,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
ydst = p->data[0] + p->linesize[0] * y;
lefty = s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
lefty = s->hdsp.add_hfyu_left_pred(ydst, s->temp[0], width, lefty);
if (s->predictor == PLANE) {
if (y > s->interlaced)
s->dsp.add_bytes(ydst, ydst - fake_ystride, width);
s->hdsp.add_bytes(ydst, ydst - fake_ystride, width);
}
y++;
if (y >= s->height) break;
@ -572,17 +574,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
vdst = p->data[2] + p->linesize[2]*cy;
decode_422_bitstream(s, width);
lefty = s->dsp.add_hfyu_left_prediction(ydst, s->temp[0], width, lefty);
lefty = s->hdsp.add_hfyu_left_pred(ydst, s->temp[0], width, lefty);
if (!(s->flags & CODEC_FLAG_GRAY)) {
leftu= s->dsp.add_hfyu_left_prediction(udst, s->temp[1], width2, leftu);
leftv= s->dsp.add_hfyu_left_prediction(vdst, s->temp[2], width2, leftv);
leftu = s->hdsp.add_hfyu_left_pred(udst, s->temp[1], width2, leftu);
leftv = s->hdsp.add_hfyu_left_pred(vdst, s->temp[2], width2, leftv);
}
if (s->predictor == PLANE) {
if (cy > s->interlaced) {
s->dsp.add_bytes(ydst, ydst - fake_ystride, width);
s->hdsp.add_bytes(ydst, ydst - fake_ystride, width);
if (!(s->flags & CODEC_FLAG_GRAY)) {
s->dsp.add_bytes(udst, udst - fake_ustride, width2);
s->dsp.add_bytes(vdst, vdst - fake_vstride, width2);
s->hdsp.add_bytes(udst, udst - fake_ustride, width2);
s->hdsp.add_bytes(vdst, vdst - fake_vstride, width2);
}
}
}
@ -593,10 +595,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
case MEDIAN:
/* first line except first 2 pixels is left predicted */
decode_422_bitstream(s, width - 2);
lefty= s->dsp.add_hfyu_left_prediction(p->data[0] + 2, s->temp[0], width - 2, lefty);
lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + 2, s->temp[0], width - 2, lefty);
if (!(s->flags & CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + 1, s->temp[1], width2 - 1, leftu);
leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + 1, s->temp[2], width2 - 1, leftv);
}
cy = y = 1;
@ -604,31 +606,31 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
/* second line is left predicted for interlaced case */
if (s->interlaced) {
decode_422_bitstream(s, width);
lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + p->linesize[0], s->temp[0], width, lefty);
lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + p->linesize[0], s->temp[0], width, lefty);
if (!(s->flags & CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + p->linesize[2], s->temp[1], width2, leftu);
leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + p->linesize[1], s->temp[2], width2, leftv);
}
y++; cy++;
}
/* next 4 pixels are left predicted too */
decode_422_bitstream(s, 4);
lefty = s->dsp.add_hfyu_left_prediction(p->data[0] + fake_ystride, s->temp[0], 4, lefty);
lefty = s->hdsp.add_hfyu_left_pred(p->data[0] + fake_ystride, s->temp[0], 4, lefty);
if (!(s->flags&CODEC_FLAG_GRAY)) {
leftu = s->dsp.add_hfyu_left_prediction(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
leftv = s->dsp.add_hfyu_left_prediction(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
leftu = s->hdsp.add_hfyu_left_pred(p->data[1] + fake_ustride, s->temp[1], 2, leftu);
leftv = s->hdsp.add_hfyu_left_pred(p->data[2] + fake_vstride, s->temp[2], 2, leftv);
}
/* next line except the first 4 pixels is median predicted */
lefttopy = p->data[0][3];
decode_422_bitstream(s, width - 4);
s->dsp.add_hfyu_median_prediction(p->data[0] + fake_ystride+4, p->data[0]+4, s->temp[0], width-4, &lefty, &lefttopy);
s->hdsp.add_hfyu_median_pred(p->data[0] + fake_ystride + 4, p->data[0] + 4, s->temp[0], width - 4, &lefty, &lefttopy);
if (!(s->flags&CODEC_FLAG_GRAY)) {
lefttopu = p->data[1][1];
lefttopv = p->data[2][1];
s->dsp.add_hfyu_median_prediction(p->data[1] + fake_ustride+2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu);
s->dsp.add_hfyu_median_prediction(p->data[2] + fake_vstride+2, p->data[2] + 2, s->temp[2], width2 - 2, &leftv, &lefttopv);
s->hdsp.add_hfyu_median_pred(p->data[1] + fake_ustride + 2, p->data[1] + 2, s->temp[1], width2 - 2, &leftu, &lefttopu);
s->hdsp.add_hfyu_median_pred(p->data[2] + fake_vstride + 2, p->data[2] + 2, s->temp[2], width2 - 2, &leftv, &lefttopv);
}
y++; cy++;
@ -639,7 +641,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
while (2 * cy > y) {
decode_gray_bitstream(s, width);
ydst = p->data[0] + p->linesize[0] * y;
s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
s->hdsp.add_hfyu_median_pred(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
y++;
}
if (y >= height) break;
@ -652,10 +654,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
udst = p->data[1] + p->linesize[1] * cy;
vdst = p->data[2] + p->linesize[2] * cy;
s->dsp.add_hfyu_median_prediction(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
s->hdsp.add_hfyu_median_pred(ydst, ydst - fake_ystride, s->temp[0], width, &lefty, &lefttopy);
if (!(s->flags & CODEC_FLAG_GRAY)) {
s->dsp.add_hfyu_median_prediction(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
s->dsp.add_hfyu_median_prediction(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
s->hdsp.add_hfyu_median_pred(udst, udst - fake_ustride, s->temp[1], width2, &leftu, &lefttopu);
s->hdsp.add_hfyu_median_pred(vdst, vdst - fake_vstride, s->temp[2], width2, &leftv, &lefttopv);
}
}
@ -686,17 +688,17 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
case LEFT:
case PLANE:
decode_bgr_bitstream(s, width - 1);
s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + last_line+4, s->temp[0], width - 1, &leftr, &leftg, &leftb, &lefta);
s->hdsp.add_hfyu_left_pred_bgr32(p->data[0] + last_line + 4, s->temp[0], width - 1, &leftr, &leftg, &leftb, &lefta);
for (y = s->height - 2; y >= 0; y--) { //Yes it is stored upside down.
decode_bgr_bitstream(s, width);
s->dsp.add_hfyu_left_prediction_bgr32(p->data[0] + p->linesize[0]*y, s->temp[0], width, &leftr, &leftg, &leftb, &lefta);
s->hdsp.add_hfyu_left_pred_bgr32(p->data[0] + p->linesize[0] * y, s->temp[0], width, &leftr, &leftg, &leftb, &lefta);
if (s->predictor == PLANE) {
if (s->bitstream_bpp != 32) lefta = 0;
if ((y & s->interlaced) == 0 &&
y < s->height - 1 - s->interlaced) {
s->dsp.add_bytes(p->data[0] + p->linesize[0] * y,
s->hdsp.add_bytes(p->data[0] + p->linesize[0] * y,
p->data[0] + p->linesize[0] * y +
fake_ystride, fake_ystride);
}

132
libavcodec/huffyuvdsp.c Normal file
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@ -0,0 +1,132 @@
/*
* 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 <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "mathops.h"
#include "huffyuvdsp.h"
// 0x7f7f7f7f or 0x7f7f7f7f7f7f7f7f or whatever, depending on the cpu's native arithmetic size
#define pb_7f (~0UL / 255 * 0x7f)
#define pb_80 (~0UL / 255 * 0x80)
static void add_bytes_c(uint8_t *dst, uint8_t *src, int w)
{
long i;
for (i = 0; i <= w - (int) sizeof(long); i += sizeof(long)) {
long a = *(long *) (src + i);
long b = *(long *) (dst + i);
*(long *) (dst + i) = ((a & pb_7f) + (b & pb_7f)) ^ ((a ^ b) & pb_80);
}
for (; i < w; i++)
dst[i + 0] += src[i + 0];
}
static void add_hfyu_median_pred_c(uint8_t *dst, const uint8_t *src1,
const uint8_t *diff, int w,
int *left, int *left_top)
{
int i;
uint8_t l, lt;
l = *left;
lt = *left_top;
for (i = 0; i < w; i++) {
l = mid_pred(l, src1[i], (l + src1[i] - lt) & 0xFF) + diff[i];
lt = src1[i];
dst[i] = l;
}
*left = l;
*left_top = lt;
}
static int add_hfyu_left_pred_c(uint8_t *dst, const uint8_t *src, int w,
int acc)
{
int i;
for (i = 0; i < w - 1; i++) {
acc += src[i];
dst[i] = acc;
i++;
acc += src[i];
dst[i] = acc;
}
for (; i < w; i++) {
acc += src[i];
dst[i] = acc;
}
return acc;
}
#if HAVE_BIGENDIAN
#define B 3
#define G 2
#define R 1
#define A 0
#else
#define B 0
#define G 1
#define R 2
#define A 3
#endif
static void add_hfyu_left_pred_bgr32_c(uint8_t *dst, const uint8_t *src,
int w, int *red, int *green,
int *blue, int *alpha)
{
int i, r = *red, g = *green, b = *blue, a = *alpha;
for (i = 0; i < w; i++) {
b += src[4 * i + B];
g += src[4 * i + G];
r += src[4 * i + R];
a += src[4 * i + A];
dst[4 * i + B] = b;
dst[4 * i + G] = g;
dst[4 * i + R] = r;
dst[4 * i + A] = a;
}
*red = r;
*green = g;
*blue = b;
*alpha = a;
}
#undef B
#undef G
#undef R
#undef A
av_cold void ff_huffyuvdsp_init(HuffYUVDSPContext *c)
{
c->add_bytes = add_bytes_c;
c->add_hfyu_median_pred = add_hfyu_median_pred_c;
c->add_hfyu_left_pred = add_hfyu_left_pred_c;
c->add_hfyu_left_pred_bgr32 = add_hfyu_left_pred_bgr32_c;
if (ARCH_X86)
ff_huffyuvdsp_init_x86(c);
}

41
libavcodec/huffyuvdsp.h Normal file
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@ -0,0 +1,41 @@
/*
* 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
*/
#ifndef AVCODEC_HUFFYUVDSP_H
#define AVCODEC_HUFFYUVDSP_H
#include <stdint.h>
typedef struct HuffYUVDSPContext {
void (*add_bytes)(uint8_t *dst /* align 16 */, uint8_t *src /* align 16 */,
int w);
void (*add_hfyu_median_pred)(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
int (*add_hfyu_left_pred)(uint8_t *dst, const uint8_t *src,
int w, int left);
void (*add_hfyu_left_pred_bgr32)(uint8_t *dst, const uint8_t *src,
int w, int *red, int *green,
int *blue, int *alpha);
} HuffYUVDSPContext;
void ff_huffyuvdsp_init(HuffYUVDSPContext *c);
void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c);
void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c);
#endif /* AVCODEC_HUFFYUVDSP_H */

16
libavcodec/lagarith.c
View File

@ -30,7 +30,7 @@
#include "avcodec.h"
#include "get_bits.h"
#include "mathops.h"
#include "dsputil.h"
#include "huffyuvdsp.h"
#include "lagarithrac.h"
#include "thread.h"
@ -50,7 +50,7 @@ enum LagarithFrameType {
typedef struct LagarithContext {
AVCodecContext *avctx;
DSPContext dsp;
HuffYUVDSPContext hdsp;
int zeros; /**< number of consecutive zero bytes encountered */
int zeros_rem; /**< number of zero bytes remaining to output */
uint8_t *rgb_planes;
@ -225,7 +225,7 @@ static void add_lag_median_prediction(uint8_t *dst, uint8_t *src1,
uint8_t *diff, int w, int *left,
int *left_top)
{
/* This is almost identical to add_hfyu_median_prediction in dsputil.h.
/* This is almost identical to add_hfyu_median_pred in huffyuvdsp.h.
* However the &0xFF on the gradient predictor yealds incorrect output
* for lagarith.
*/
@ -253,8 +253,7 @@ static void lag_pred_line(LagarithContext *l, uint8_t *buf,
if (!line) {
int i, align_width = (width - 1) & ~31;
/* Left prediction only for first line */
L = l->dsp.add_hfyu_left_prediction(buf + 1, buf + 1,
align_width, buf[0]);
L = l->hdsp.add_hfyu_left_pred(buf + 1, buf + 1, align_width, buf[0]);
for (i = align_width + 1; i < width; i++)
buf[i] += buf[i - 1];
} else {
@ -289,7 +288,7 @@ static void lag_pred_line_yuy2(LagarithContext *l, uint8_t *buf,
}
align_width = (width - 1) & ~31;
l->dsp.add_hfyu_left_prediction(buf + 1, buf + 1, align_width, buf[0]);
l->hdsp.add_hfyu_left_pred(buf + 1, buf + 1, align_width, buf[0]);
for (i = align_width + 1; i < width; i++)
buf[i] += buf[i - 1];
@ -314,8 +313,7 @@ static void lag_pred_line_yuy2(LagarithContext *l, uint8_t *buf,
} else {
TL = buf[width - (2 * stride) - 1];
L = buf[width - stride - 1];
l->dsp.add_hfyu_median_prediction(buf, buf - stride, buf, width,
&L, &TL);
l->hdsp.add_hfyu_median_pred(buf, buf - stride, buf, width, &L, &TL);
}
}
@ -682,7 +680,7 @@ static av_cold int lag_decode_init(AVCodecContext *avctx)
LagarithContext *l = avctx->priv_data;
l->avctx = avctx;
ff_dsputil_init(&l->dsp, avctx);
ff_huffyuvdsp_init(&l->hdsp);
return 0;
}

1
libavcodec/ppc/Makefile
View File

@ -6,6 +6,7 @@ OBJS-$(CONFIG_H264CHROMA) += ppc/h264chroma_init.o
OBJS-$(CONFIG_H264DSP) += ppc/h264dsp.o
OBJS-$(CONFIG_H264QPEL) += ppc/h264qpel.o
OBJS-$(CONFIG_HPELDSP) += ppc/hpeldsp_altivec.o
OBJS-$(CONFIG_HUFFYUVDSP) += ppc/huffyuvdsp_altivec.o
OBJS-$(CONFIG_MPEGAUDIODSP) += ppc/mpegaudiodsp_altivec.o
OBJS-$(CONFIG_MPEGVIDEO) += ppc/mpegvideo_altivec.o
OBJS-$(CONFIG_VIDEODSP) += ppc/videodsp_ppc.o

18
libavcodec/ppc/dsputil_altivec.c
View File

@ -571,23 +571,6 @@ static void clear_block_altivec(int16_t *block)
vec_st(zero_s16v, 112, block);
}
static void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w)
{
register int i;
register vector unsigned char vdst, vsrc;
/* dst and src are 16 bytes-aligned (guaranteed). */
for (i = 0; i + 15 < w; i += 16) {
vdst = vec_ld(i, (unsigned char *) dst);
vsrc = vec_ld(i, (unsigned char *) src);
vdst = vec_add(vsrc, vdst);
vec_st(vdst, i, (unsigned char *) dst);
}
/* If w is not a multiple of 16. */
for (; i < w; i++)
dst[i] = src[i];
}
static int hadamard8_diff8x8_altivec(MpegEncContext *s, uint8_t *dst,
uint8_t *src, int stride, int h)
{
@ -945,7 +928,6 @@ av_cold void ff_dsputil_init_altivec(DSPContext *c, AVCodecContext *avctx,
c->pix_sum = pix_sum_altivec;
c->diff_pixels = diff_pixels_altivec;
c->add_bytes = add_bytes_altivec;
if (!high_bit_depth) {
c->get_pixels = get_pixels_altivec;

57
libavcodec/ppc/huffyuvdsp_altivec.c Normal file
View File

@ -0,0 +1,57 @@
/*
* Copyright (c) 2002 Brian Foley
* Copyright (c) 2002 Dieter Shirley
* Copyright (c) 2003-2004 Romain Dolbeau <romain@dolbeau.org>
*
* 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 "config.h"
#if HAVE_ALTIVEC_H
#include <altivec.h>
#endif
#include "libavutil/attributes.h"
#include "libavutil/ppc/types_altivec.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavcodec/huffyuvdsp.h"
#if HAVE_ALTIVEC
static void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w)
{
register int i;
register vector unsigned char vdst, vsrc;
/* dst and src are 16 bytes-aligned (guaranteed). */
for (i = 0; i + 15 < w; i += 16) {
vdst = vec_ld(i, (unsigned char *) dst);
vsrc = vec_ld(i, (unsigned char *) src);
vdst = vec_add(vsrc, vdst);
vec_st(vdst, i, (unsigned char *) dst);
}
/* If w is not a multiple of 16. */
for (; i < w; i++)
dst[i] = src[i];
}
#endif /* HAVE_ALTIVEC */
av_cold void ff_huffyuvdsp_init_ppc(HuffYUVDSPContext *c)
{
#if HAVE_ALTIVEC
c->add_bytes = add_bytes_altivec;
#endif /* HAVE_ALTIVEC */
}

8
libavcodec/vble.c
View File

@ -27,14 +27,14 @@
#define BITSTREAM_READER_LE
#include "avcodec.h"
#include "dsputil.h"
#include "get_bits.h"
#include "huffyuvdsp.h"
#include "internal.h"
#include "mathops.h"
typedef struct {
AVCodecContext *avctx;
DSPContext dsp;
HuffYUVDSPContext hdsp;
int size;
uint8_t *val; /* First holds the lengths of vlc symbols and then their values */
@ -100,7 +100,7 @@ static void vble_restore_plane(VBLEContext *ctx, AVFrame *pic,
if (i) {
left = 0;
left_top = dst[-stride];
ctx->dsp.add_hfyu_median_prediction(dst, dst-stride, val,
ctx->hdsp.add_hfyu_median_pred(dst, dst - stride, val,
width, &left, &left_top);
} else {
dst[0] = val[0];
@ -178,7 +178,7 @@ static av_cold int vble_decode_init(AVCodecContext *avctx)
/* Stash for later use */
ctx->avctx = avctx;
ff_dsputil_init(&ctx->dsp, avctx);
ff_huffyuvdsp_init(&ctx->hdsp);
avctx->pix_fmt = AV_PIX_FMT_YUV420P;
avctx->bits_per_raw_sample = 8;

6
libavcodec/x86/Makefile
View File

@ -3,8 +3,7 @@ OBJS += x86/constants.o \
OBJS-$(CONFIG_AC3DSP) += x86/ac3dsp_init.o
OBJS-$(CONFIG_DCT) += x86/dct_init.o
OBJS-$(CONFIG_DSPUTIL) += x86/dsputil_init.o \
x86/dsputil_x86.o
OBJS-$(CONFIG_DSPUTIL) += x86/dsputil_init.o
OBJS-$(CONFIG_ENCODERS) += x86/dsputilenc_mmx.o \
x86/fdct.o \
x86/motion_est.o
@ -15,6 +14,7 @@ OBJS-$(CONFIG_H264DSP) += x86/h264dsp_init.o
OBJS-$(CONFIG_H264PRED) += x86/h264_intrapred_init.o
OBJS-$(CONFIG_H264QPEL) += x86/h264_qpel.o
OBJS-$(CONFIG_HPELDSP) += x86/hpeldsp_init.o
OBJS-$(CONFIG_HUFFYUVDSP) += x86/huffyuvdsp_init.o
OBJS-$(CONFIG_LPC) += x86/lpc.o
OBJS-$(CONFIG_MPEGAUDIODSP) += x86/mpegaudiodsp.o
OBJS-$(CONFIG_MPEGVIDEO) += x86/mpegvideo.o
@ -48,6 +48,7 @@ MMX-OBJS-$(CONFIG_DSPUTIL) += x86/dsputil_mmx.o \
x86/simple_idct.o
MMX-OBJS-$(CONFIG_HPELDSP) += x86/fpel_mmx.o \
x86/hpeldsp_mmx.o
MMX-OBJS-$(CONFIG_HUFFYUVDSP) += x86/huffyuvdsp_mmx.o
MMX-OBJS-$(CONFIG_VC1_DECODER) += x86/vc1dsp_mmx.o
@ -80,6 +81,7 @@ YASM-OBJS-$(CONFIG_H264QPEL) += x86/h264_qpel_8bit.o \
x86/qpel.o
YASM-OBJS-$(CONFIG_HPELDSP) += x86/fpel.o \
x86/hpeldsp.o
YASM-OBJS-$(CONFIG_HUFFYUVDSP) += x86/huffyuvdsp.o
YASM-OBJS-$(CONFIG_MPEGAUDIODSP) += x86/imdct36.o
YASM-OBJS-$(CONFIG_VIDEODSP) += x86/videodsp.o
YASM-OBJS-$(CONFIG_VP3DSP) += x86/vp3dsp.o

140
libavcodec/x86/dsputil.asm
View File

@ -22,11 +22,6 @@
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
pb_f: times 16 db 15
pb_zzzzzzzz77777777: times 8 db -1
pb_7: times 8 db 7
pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11
pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13
pb_bswap32: db 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
SECTION_TEXT
@ -203,141 +198,6 @@ SCALARPRODUCT_LOOP 0
RET
; void ff_add_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *top,
; const uint8_t *diff, int w,
; int *left, int *left_top)
INIT_MMX mmxext
cglobal add_hfyu_median_prediction, 6,6,0, dst, top, diff, w, left, left_top
movq mm0, [topq]
movq mm2, mm0
movd mm4, [left_topq]
psllq mm2, 8
movq mm1, mm0
por mm4, mm2
movd mm3, [leftq]
psubb mm0, mm4 ; t-tl
add dstq, wq
add topq, wq
add diffq, wq
neg wq
jmp .skip
.loop:
movq mm4, [topq+wq]
movq mm0, mm4
psllq mm4, 8
por mm4, mm1
movq mm1, mm0 ; t
psubb mm0, mm4 ; t-tl
.skip:
movq mm2, [diffq+wq]
%assign i 0
%rep 8
movq mm4, mm0
paddb mm4, mm3 ; t-tl+l
movq mm5, mm3
pmaxub mm3, mm1
pminub mm5, mm1
pminub mm3, mm4
pmaxub mm3, mm5 ; median
paddb mm3, mm2 ; +residual
%if i==0
movq mm7, mm3
psllq mm7, 56
%else
movq mm6, mm3
psrlq mm7, 8
psllq mm6, 56
por mm7, mm6
%endif
%if i<7
psrlq mm0, 8
psrlq mm1, 8
psrlq mm2, 8
%endif
%assign i i+1
%endrep
movq [dstq+wq], mm7
add wq, 8
jl .loop
movzx r2d, byte [dstq-1]
mov [leftq], r2d
movzx r2d, byte [topq-1]
mov [left_topq], r2d
RET
%macro ADD_HFYU_LEFT_LOOP 2 ; %1 = dst_is_aligned, %2 = src_is_aligned
add srcq, wq
add dstq, wq
neg wq
%%.loop:
%if %2
mova m1, [srcq+wq]
%else
movu m1, [srcq+wq]
%endif
mova m2, m1
psllw m1, 8
paddb m1, m2
mova m2, m1
pshufb m1, m3
paddb m1, m2
pshufb m0, m5
mova m2, m1
pshufb m1, m4
paddb m1, m2
%if mmsize == 16
mova m2, m1
pshufb m1, m6
paddb m1, m2
%endif
paddb m0, m1
%if %1
mova [dstq+wq], m0
%else
movq [dstq+wq], m0
movhps [dstq+wq+8], m0
%endif
add wq, mmsize
jl %%.loop
mov eax, mmsize-1
sub eax, wd
movd m1, eax
pshufb m0, m1
movd eax, m0
RET
%endmacro
; int ff_add_hfyu_left_prediction(uint8_t *dst, const uint8_t *src,
; int w, int left)
INIT_MMX ssse3
cglobal add_hfyu_left_prediction, 3,3,7, dst, src, w, left
.skip_prologue:
mova m5, [pb_7]
mova m4, [pb_zzzz3333zzzzbbbb]
mova m3, [pb_zz11zz55zz99zzdd]
movd m0, leftm
psllq m0, 56
ADD_HFYU_LEFT_LOOP 1, 1
INIT_XMM sse4
cglobal add_hfyu_left_prediction, 3,3,7, dst, src, w, left
mova m5, [pb_f]
mova m6, [pb_zzzzzzzz77777777]
mova m4, [pb_zzzz3333zzzzbbbb]
mova m3, [pb_zz11zz55zz99zzdd]
movd m0, leftm
pslldq m0, 15
test srcq, 15
jnz .src_unaligned
test dstq, 15
jnz .dst_unaligned
ADD_HFYU_LEFT_LOOP 1, 1
.dst_unaligned:
ADD_HFYU_LEFT_LOOP 0, 1
.src_unaligned:
ADD_HFYU_LEFT_LOOP 0, 0
;-----------------------------------------------------------------------------
; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min,
; int32_t max, unsigned int len)

24
libavcodec/x86/dsputil_init.c
View File

@ -20,7 +20,6 @@
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/internal.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/avcodec.h"
#include "libavcodec/dsputil.h"
@ -90,14 +89,6 @@ int32_t ff_scalarproduct_and_madd_int16_ssse3(int16_t *v1, const int16_t *v2,
void ff_bswap32_buf_ssse3(uint32_t *dst, const uint32_t *src, int w);
void ff_bswap32_buf_sse2(uint32_t *dst, const uint32_t *src, int w);
void ff_add_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
int ff_add_hfyu_left_prediction_ssse3(uint8_t *dst, const uint8_t *src,
int w, int left);
int ff_add_hfyu_left_prediction_sse4(uint8_t *dst, const uint8_t *src,
int w, int left);
void ff_vector_clip_int32_mmx(int32_t *dst, const int32_t *src,
int32_t min, int32_t max, unsigned int len);
void ff_vector_clip_int32_sse2(int32_t *dst, const int32_t *src,
@ -549,8 +540,6 @@ static av_cold void dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx,
}
c->gmc = ff_gmc_mmx;
c->add_bytes = ff_add_bytes_mmx;
#endif /* HAVE_MMX_INLINE */
#if HAVE_MMX_EXTERNAL
@ -578,10 +567,6 @@ static av_cold void dsputil_init_mmxext(DSPContext *c, AVCodecContext *avctx,
SET_QPEL_FUNCS(put_no_rnd_qpel, 0, 16, mmxext, );
SET_QPEL_FUNCS(put_no_rnd_qpel, 1, 8, mmxext, );
/* slower than cmov version on AMD */
if (!(cpu_flags & AV_CPU_FLAG_3DNOW))
c->add_hfyu_median_prediction = ff_add_hfyu_median_prediction_mmxext;
c->scalarproduct_int16 = ff_scalarproduct_int16_mmxext;
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_mmxext;
#endif /* HAVE_MMXEXT_EXTERNAL */
@ -636,10 +621,6 @@ static av_cold void dsputil_init_ssse3(DSPContext *c, AVCodecContext *avctx,
int cpu_flags, unsigned high_bit_depth)
{
#if HAVE_SSSE3_EXTERNAL
c->add_hfyu_left_prediction = ff_add_hfyu_left_prediction_ssse3;
if (cpu_flags & AV_CPU_FLAG_SSE4) // not really SSE4, just slow on Conroe
c->add_hfyu_left_prediction = ff_add_hfyu_left_prediction_sse4;
if (!(cpu_flags & (AV_CPU_FLAG_SSE42 | AV_CPU_FLAG_3DNOW))) // cachesplit
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_ssse3;
c->bswap_buf = ff_bswap32_buf_ssse3;
@ -659,11 +640,6 @@ av_cold void ff_dsputil_init_x86(DSPContext *c, AVCodecContext *avctx,
{
int cpu_flags = av_get_cpu_flags();
#if HAVE_7REGS && HAVE_INLINE_ASM
if (cpu_flags & AV_CPU_FLAG_CMOV)
c->add_hfyu_median_prediction = ff_add_hfyu_median_prediction_cmov;
#endif
if (X86_MMX(cpu_flags))
dsputil_init_mmx(c, avctx, cpu_flags, high_bit_depth);

26
libavcodec/x86/dsputil_mmx.c
View File

@ -222,32 +222,6 @@ void ff_clear_blocks_sse(int16_t *blocks)
: "%"REG_a);
}
void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w)
{
x86_reg i = 0;
__asm__ volatile (
"jmp 2f \n\t"
"1: \n\t"
"movq (%1, %0), %%mm0 \n\t"
"movq (%2, %0), %%mm1 \n\t"
"paddb %%mm0, %%mm1 \n\t"
"movq %%mm1, (%2, %0) \n\t"
"movq 8(%1, %0), %%mm0 \n\t"
"movq 8(%2, %0), %%mm1 \n\t"
"paddb %%mm0, %%mm1 \n\t"
"movq %%mm1, 8(%2, %0) \n\t"
"add $16, %0 \n\t"
"2: \n\t"
"cmp %3, %0 \n\t"
"js 1b \n\t"
: "+r" (i)
: "r" (src), "r" (dst), "r" ((x86_reg) w - 15));
for (; i < w; i++)
dst[i + 0] += src[i + 0];
}
/* Draw the edges of width 'w' of an image of size width, height
* this MMX version can only handle w == 8 || w == 16. */
void ff_draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,

6
libavcodec/x86/dsputil_x86.h
View File

@ -43,12 +43,6 @@ void ff_clear_block_sse(int16_t *block);
void ff_clear_blocks_mmx(int16_t *blocks);
void ff_clear_blocks_sse(int16_t *blocks);
void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w);
void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
void ff_draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
int w, int h, int sides);

165
libavcodec/x86/huffyuvdsp.asm Normal file
View File

@ -0,0 +1,165 @@
;******************************************************************************
;* SIMD-optimized HuffYUV functions
;* Copyright (c) 2008 Loren Merritt
;*
;* 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 "libavutil/x86/x86util.asm"
SECTION_RODATA
pb_f: times 16 db 15
pb_zzzzzzzz77777777: times 8 db -1
pb_7: times 8 db 7
pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11
pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13
SECTION_TEXT
; void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
; const uint8_t *diff, int w,
; int *left, int *left_top)
INIT_MMX mmxext
cglobal add_hfyu_median_pred, 6,6,0, dst, top, diff, w, left, left_top
movq mm0, [topq]
movq mm2, mm0
movd mm4, [left_topq]
psllq mm2, 8
movq mm1, mm0
por mm4, mm2
movd mm3, [leftq]
psubb mm0, mm4 ; t-tl
add dstq, wq
add topq, wq
add diffq, wq
neg wq
jmp .skip
.loop:
movq mm4, [topq+wq]
movq mm0, mm4
psllq mm4, 8
por mm4, mm1
movq mm1, mm0 ; t
psubb mm0, mm4 ; t-tl
.skip:
movq mm2, [diffq+wq]
%assign i 0
%rep 8
movq mm4, mm0
paddb mm4, mm3 ; t-tl+l
movq mm5, mm3
pmaxub mm3, mm1
pminub mm5, mm1
pminub mm3, mm4
pmaxub mm3, mm5 ; median
paddb mm3, mm2 ; +residual
%if i==0
movq mm7, mm3
psllq mm7, 56
%else
movq mm6, mm3
psrlq mm7, 8
psllq mm6, 56
por mm7, mm6
%endif
%if i<7
psrlq mm0, 8
psrlq mm1, 8
psrlq mm2, 8
%endif
%assign i i+1
%endrep
movq [dstq+wq], mm7
add wq, 8
jl .loop
movzx r2d, byte [dstq-1]
mov [leftq], r2d
movzx r2d, byte [topq-1]
mov [left_topq], r2d
RET
%macro ADD_HFYU_LEFT_LOOP 2 ; %1 = dst_is_aligned, %2 = src_is_aligned
add srcq, wq
add dstq, wq
neg wq
%%.loop:
%if %2
mova m1, [srcq+wq]
%else
movu m1, [srcq+wq]
%endif
mova m2, m1
psllw m1, 8
paddb m1, m2
mova m2, m1
pshufb m1, m3
paddb m1, m2
pshufb m0, m5
mova m2, m1
pshufb m1, m4
paddb m1, m2
%if mmsize == 16
mova m2, m1
pshufb m1, m6
paddb m1, m2
%endif
paddb m0, m1
%if %1
mova [dstq+wq], m0
%else
movq [dstq+wq], m0
movhps [dstq+wq+8], m0
%endif
add wq, mmsize
jl %%.loop
mov eax, mmsize-1
sub eax, wd
movd m1, eax
pshufb m0, m1
movd eax, m0
RET
%endmacro
; int ff_add_hfyu_left_pred(uint8_t *dst, const uint8_t *src, int w, int left)
INIT_MMX ssse3
cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left
.skip_prologue:
mova m5, [pb_7]
mova m4, [pb_zzzz3333zzzzbbbb]
mova m3, [pb_zz11zz55zz99zzdd]
movd m0, leftm
psllq m0, 56
ADD_HFYU_LEFT_LOOP 1, 1
INIT_XMM sse4
cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left
mova m5, [pb_f]
mova m6, [pb_zzzzzzzz77777777]
mova m4, [pb_zzzz3333zzzzbbbb]
mova m3, [pb_zz11zz55zz99zzdd]
movd m0, leftm
pslldq m0, 15
test srcq, 15
jnz .src_unaligned
test dstq, 15
jnz .dst_unaligned
ADD_HFYU_LEFT_LOOP 1, 1
.dst_unaligned:
ADD_HFYU_LEFT_LOOP 0, 1
.src_unaligned:
ADD_HFYU_LEFT_LOOP 0, 0

30
libavcodec/x86/huffyuvdsp.h Normal file
View File

@ -0,0 +1,30 @@
/*
* 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
*/
#ifndef AVCODEC_X86_HUFFYUVDSP_H
#define AVCODEC_X86_HUFFYUVDSP_H
#include <stdint.h>
void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w);
void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
#endif /* AVCODEC_X86_HUFFYUVDSP_H */

63
libavcodec/x86/huffyuvdsp_init.c Normal file
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@ -0,0 +1,63 @@
/*
* 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 "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/huffyuvdsp.h"
void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w);
void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top);
int ff_add_hfyu_left_pred_ssse3(uint8_t *dst, const uint8_t *src,
int w, int left);
int ff_add_hfyu_left_pred_sse4(uint8_t *dst, const uint8_t *src,
int w, int left);
av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c)
{
int cpu_flags = av_get_cpu_flags();
#if HAVE_7REGS && HAVE_INLINE_ASM
if (cpu_flags & AV_CPU_FLAG_CMOV)
c->add_hfyu_median_pred = ff_add_hfyu_median_pred_cmov;
#endif
if (INLINE_MMX(cpu_flags))
c->add_bytes = ff_add_bytes_mmx;
if (EXTERNAL_MMXEXT(cpu_flags)) {
/* slower than cmov version on AMD */
if (!(cpu_flags & AV_CPU_FLAG_3DNOW))
c->add_hfyu_median_pred = ff_add_hfyu_median_pred_mmxext;
}
if (EXTERNAL_SSSE3(cpu_flags)) {
c->add_hfyu_left_pred = ff_add_hfyu_left_pred_ssse3;
if (cpu_flags & AV_CPU_FLAG_SSE4) // not really SSE4, just slow on Conroe
c->add_hfyu_left_pred = ff_add_hfyu_left_pred_sse4;
}
}

30
libavcodec/x86/dsputil_x86.c → libavcodec/x86/huffyuvdsp_mmx.c
View File

@ -20,12 +20,12 @@
#include "config.h"
#include "libavutil/x86/asm.h"
#include "dsputil_x86.h"
#include "huffyuvdsp.h"
#if HAVE_INLINE_ASM
#if HAVE_7REGS
void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,
int *left, int *left_top)
{
@ -62,4 +62,30 @@ void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
}
#endif
void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w)
{
x86_reg i = 0;
__asm__ volatile (
"jmp 2f \n\t"
"1: \n\t"
"movq (%1, %0), %%mm0 \n\t"
"movq (%2, %0), %%mm1 \n\t"
"paddb %%mm0, %%mm1 \n\t"
"movq %%mm1, (%2, %0) \n\t"
"movq 8(%1, %0), %%mm0 \n\t"
"movq 8(%2, %0), %%mm1 \n\t"
"paddb %%mm0, %%mm1 \n\t"
"movq %%mm1, 8(%2, %0) \n\t"
"add $16, %0 \n\t"
"2: \n\t"
"cmp %3, %0 \n\t"
"js 1b \n\t"
: "+r" (i)
: "r" (src), "r" (dst), "r" ((x86_reg) w - 15));
for (; i < w; i++)
dst[i + 0] += src[i + 0];
}
#endif /* HAVE_INLINE_ASM */