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v210enc: Add SIMD optimised 8-bit and 10-bit encoders 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
tags/n2.6
Kieran Kunhya Vittorio Giovara 11 years ago
parent
33c827f632
commit
9a738c27dc
8 changed files with 389 additions and 55 deletions
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  1. +154
    -49
      libavcodec/v210enc.c
  2. +35
    -0
      libavcodec/v210enc.h
  3. +2
    -0
      libavcodec/x86/Makefile
  4. +145
    -0
      libavcodec/x86/v210enc.asm
  5. +42
    -0
      libavcodec/x86/v210enc_init.c
  6. +5
    -0
      libavutil/x86/x86util.asm
  7. +3
    -3
      tests/ref/vsynth/vsynth1-v210
  8. +3
    -3
      tests/ref/vsynth/vsynth2-v210

+ 154
- 49
libavcodec/v210enc.c View File

@@ -24,84 +24,188 @@
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "v210enc.h"

#define CLIP(v) av_clip(v, 4, 1019)
#define CLIP8(v) av_clip(v, 1, 254)

#define WRITE_PIXELS(a, b, c) \
do { \
val = CLIP(*a++); \
val |= (CLIP(*b++) << 10) | \
(CLIP(*c++) << 20); \
AV_WL32(dst, val); \
dst += 4; \
} while (0)

#define WRITE_PIXELS8(a, b, c) \
do { \
val = (CLIP8(*a++) << 2); \
val |= (CLIP8(*b++) << 12) | \
(CLIP8(*c++) << 22); \
AV_WL32(dst, val); \
dst += 4; \
} while (0)

static void v210_planar_pack_8_c(const uint8_t *y, const uint8_t *u,
const uint8_t *v, uint8_t *dst,
ptrdiff_t width)
{
uint32_t val;
int i;

/* unroll this to match the assembly */
for (i = 0; i < width - 11; i += 12) {
WRITE_PIXELS8(u, y, v);
WRITE_PIXELS8(y, u, y);
WRITE_PIXELS8(v, y, u);
WRITE_PIXELS8(y, v, y);
WRITE_PIXELS8(u, y, v);
WRITE_PIXELS8(y, u, y);
WRITE_PIXELS8(v, y, u);
WRITE_PIXELS8(y, v, y);
}
}

static void v210_planar_pack_10_c(const uint16_t *y, const uint16_t *u,
const uint16_t *v, uint8_t *dst,
ptrdiff_t width)
{
uint32_t val;
int i;

for (i = 0; i < width - 5; i += 6) {
WRITE_PIXELS(u, y, v);
WRITE_PIXELS(y, u, y);
WRITE_PIXELS(v, y, u);
WRITE_PIXELS(y, v, y);
}
}

static av_cold int encode_init(AVCodecContext *avctx)
{
V210EncContext *s = avctx->priv_data;

if (avctx->width & 1) {
av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
return AVERROR(EINVAL);
}

if (avctx->bits_per_raw_sample != 10)
av_log(avctx, AV_LOG_WARNING, "bits per raw sample: %d != 10-bit\n",
avctx->bits_per_raw_sample);

avctx->coded_frame = av_frame_alloc();
if (!avctx->coded_frame)
return AVERROR(ENOMEM);

avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;

s->pack_line_8 = v210_planar_pack_8_c;
s->pack_line_10 = v210_planar_pack_10_c;

if (ARCH_X86)
ff_v210enc_init_x86(s);

return 0;
}

static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
const AVFrame *pic, int *got_packet)
{
V210EncContext *s = avctx->priv_data;
int aligned_width = ((avctx->width + 47) / 48) * 48;
int stride = aligned_width * 8 / 3;
int line_padding = stride - ((avctx->width * 8 + 11) / 12) * 4;
int h, w, ret;
const uint16_t *y = (const uint16_t*)pic->data[0];
const uint16_t *u = (const uint16_t*)pic->data[1];
const uint16_t *v = (const uint16_t*)pic->data[2];
PutByteContext p;
uint8_t *dst;

if ((ret = ff_alloc_packet(pkt, avctx->height * stride)) < 0) {
ret = ff_alloc_packet(pkt, avctx->height * stride);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
return ret;
}

bytestream2_init_writer(&p, pkt->data, pkt->size);

#define CLIP(v) av_clip(v, 4, 1019)

#define WRITE_PIXELS(a, b, c) \
do { \
val = CLIP(*a++); \
val |= (CLIP(*b++) << 10) | \
(CLIP(*c++) << 20); \
bytestream2_put_le32u(&p, val); \
} while (0)

for (h = 0; h < avctx->height; h++) {
uint32_t val;
for (w = 0; w < avctx->width - 5; w += 6) {
WRITE_PIXELS(u, y, v);
WRITE_PIXELS(y, u, y);
WRITE_PIXELS(v, y, u);
WRITE_PIXELS(y, v, y);
dst = pkt->data;

if (pic->format == AV_PIX_FMT_YUV422P10) {
const uint16_t *y = (const uint16_t *)pic->data[0];
const uint16_t *u = (const uint16_t *)pic->data[1];
const uint16_t *v = (const uint16_t *)pic->data[2];
for (h = 0; h < avctx->height; h++) {
uint32_t val;
w = (avctx->width / 6) * 6;
s->pack_line_10(y, u, v, dst, w);

y += w;
u += w >> 1;
v += w >> 1;
dst += (w / 6) * 16;
if (w < avctx->width - 1) {
WRITE_PIXELS(u, y, v);

val = CLIP(*y++);
if (w == avctx->width - 2) {
AV_WL32(dst, val);
dst += 4;
}
}
if (w < avctx->width - 3) {
val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20);
AV_WL32(dst, val);
dst += 4;

val = CLIP(*v++) | (CLIP(*y++) << 10);
AV_WL32(dst, val);
dst += 4;
}

memset(dst, 0, line_padding);
dst += line_padding;
y += pic->linesize[0] / 2 - avctx->width;
u += pic->linesize[1] / 2 - avctx->width / 2;
v += pic->linesize[2] / 2 - avctx->width / 2;
}
if (w < avctx->width - 1) {
WRITE_PIXELS(u, y, v);

val = CLIP(*y++);
if (w == avctx->width - 2)
bytestream2_put_le32u(&p, val);
} else if(pic->format == AV_PIX_FMT_YUV422P) {
const uint8_t *y = pic->data[0];
const uint8_t *u = pic->data[1];
const uint8_t *v = pic->data[2];
for (h = 0; h < avctx->height; h++) {
uint32_t val;
w = (avctx->width / 12) * 12;
s->pack_line_8(y, u, v, dst, w);

y += w;
u += w >> 1;
v += w >> 1;
dst += (w / 12) * 32;

for (; w < avctx->width - 5; w += 6) {
WRITE_PIXELS8(u, y, v);
WRITE_PIXELS8(y, u, y);
WRITE_PIXELS8(v, y, u);
WRITE_PIXELS8(y, v, y);
}
if (w < avctx->width - 1) {
WRITE_PIXELS8(u, y, v);

val = CLIP8(*y++) << 2;
if (w == avctx->width - 2) {
AV_WL32(dst, val);
dst += 4;
}
}
if (w < avctx->width - 3) {
val |= (CLIP8(*u++) << 12) | (CLIP8(*y++) << 22);
AV_WL32(dst, val);
dst += 4;

val = (CLIP8(*v++) << 2) | (CLIP8(*y++) << 12);
AV_WL32(dst, val);
dst += 4;
}
memset(dst, 0, line_padding);
dst += line_padding;

y += pic->linesize[0] - avctx->width;
u += pic->linesize[1] - avctx->width / 2;
v += pic->linesize[2] - avctx->width / 2;
}
if (w < avctx->width - 3) {
val |= (CLIP(*u++) << 10) | (CLIP(*y++) << 20);
bytestream2_put_le32u(&p, val);

val = CLIP(*v++) | (CLIP(*y++) << 10);
bytestream2_put_le32u(&p, val);
}

bytestream2_set_buffer(&p, 0, line_padding);

y += pic->linesize[0] / 2 - avctx->width;
u += pic->linesize[1] / 2 - avctx->width / 2;
v += pic->linesize[2] / 2 - avctx->width / 2;
}

pkt->flags |= AV_PKT_FLAG_KEY;
@@ -121,8 +225,9 @@ AVCodec ff_v210_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_V210,
.priv_data_size = sizeof(V210EncContext),
.init = encode_init,
.encode2 = encode_frame,
.close = encode_close,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_NONE },
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
};

+ 35
- 0
libavcodec/v210enc.h View File

@@ -0,0 +1,35 @@
/*
* 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 AVCOENC_V210ENC_H
#define AVCOENC_V210ENC_H

#include "libavutil/log.h"
#include "libavutil/opt.h"
#include "libavutil/pixfmt.h"

typedef struct {
void (*pack_line_8)(const uint8_t *y, const uint8_t *u,
const uint8_t *v, uint8_t *dst, ptrdiff_t width);
void (*pack_line_10)(const uint16_t *y, const uint16_t *u,
const uint16_t *v, uint8_t *dst, ptrdiff_t width);
} V210EncContext;

void ff_v210enc_init_x86(V210EncContext *s);

#endif /* AVCOENC_V210ENC_H */

+ 2
- 0
libavcodec/x86/Makefile View File

@@ -47,6 +47,7 @@ OBJS-$(CONFIG_RV40_DECODER) += x86/rv34dsp_init.o \
x86/rv40dsp_init.o
OBJS-$(CONFIG_SVQ1_ENCODER) += x86/svq1enc.o
OBJS-$(CONFIG_TRUEHD_DECODER) += x86/mlpdsp.o
OBJS-$(CONFIG_V210_ENCODER) += x86/v210enc_init.o
OBJS-$(CONFIG_VC1_DECODER) += x86/vc1dsp_init.o
OBJS-$(CONFIG_VORBIS_DECODER) += x86/vorbisdsp_init.o
OBJS-$(CONFIG_VP6_DECODER) += x86/vp6dsp_init.o
@@ -107,6 +108,7 @@ YASM-OBJS-$(CONFIG_PIXBLOCKDSP) += x86/pixblockdsp.o
YASM-OBJS-$(CONFIG_QPELDSP) += x86/qpeldsp.o \
x86/fpel.o \
x86/qpel.o
YASM-OBJS-$(CONFIG_V210_ENCODER) += x86/v210enc.o
YASM-OBJS-$(CONFIG_VIDEODSP) += x86/videodsp.o
YASM-OBJS-$(CONFIG_VP3DSP) += x86/vp3dsp.o



+ 145
- 0
libavcodec/x86/v210enc.asm View File

@@ -0,0 +1,145 @@
;******************************************************************************
;* V210 SIMD pack
;* Copyright (c) 2014 Kieran Kunhya <kierank@obe.tv>
;*
;* 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

v210_enc_min_10: times 8 dw 0x4
v210_enc_max_10: times 8 dw 0x3fb

v210_enc_luma_mult_10: dw 4,1,16,4,1,16,0,0
v210_enc_luma_shuf_10: db -1,0,1,-1,2,3,4,5,-1,6,7,-1,8,9,10,11

v210_enc_chroma_mult_10: dw 1,4,16,0,16,1,4,0
v210_enc_chroma_shuf_10: db 0,1,8,9,-1,2,3,-1,10,11,4,5,-1,12,13,-1

v210_enc_min_8: times 16 db 0x1
v210_enc_max_8: times 16 db 0xfe

v210_enc_luma_shuf_8: db 6,-1,7,-1,8,-1,9,-1,10,-1,11,-1,-1,-1,-1,-1
v210_enc_luma_mult_8: dw 16,4,64,16,4,64,0,0

v210_enc_chroma_shuf1_8: db 0,-1,1,-1,2,-1,3,-1,8,-1,9,-1,10,-1,11,-1
v210_enc_chroma_shuf2_8: db 3,-1,4,-1,5,-1,7,-1,11,-1,12,-1,13,-1,15,-1

v210_enc_chroma_mult_8: dw 4,16,64,0,64,4,16,0

SECTION .text

%macro v210_planar_pack_10 0

; v210_planar_pack_10(const uint16_t *y, const uint16_t *u, const uint16_t *v, uint8_t *dst, ptrdiff_t width)
cglobal v210_planar_pack_10, 5, 5, 4, y, u, v, dst, width
lea r0, [yq+2*widthq]
add uq, widthq
add vq, widthq
neg widthq

mova m2, [v210_enc_min_10]
mova m3, [v210_enc_max_10]

.loop
movu m0, [yq+2*widthq]
CLIPW m0, m2, m3

movq m1, [uq+widthq]
movhps m1, [vq+widthq]
CLIPW m1, m2, m3

pmullw m0, [v210_enc_luma_mult_10]
pshufb m0, [v210_enc_luma_shuf_10]

pmullw m1, [v210_enc_chroma_mult_10]
pshufb m1, [v210_enc_chroma_shuf_10]

por m0, m1

movu [dstq], m0

add dstq, mmsize
add widthq, 6
jl .loop

RET
%endmacro

INIT_XMM ssse3
v210_planar_pack_10

%macro v210_planar_pack_8 0

; v210_planar_pack_8(const uint8_t *y, const uint8_t *u, const uint8_t *v, uint8_t *dst, ptrdiff_t width)
cglobal v210_planar_pack_8, 5, 5, 7, y, u, v, dst, width
add yq, widthq
shr widthq, 1
add uq, widthq
add vq, widthq
neg widthq

mova m4, [v210_enc_min_8]
mova m5, [v210_enc_max_8]
pxor m6, m6

.loop
movu m1, [yq+2*widthq]
CLIPUB m1, m4, m5

punpcklbw m0, m1, m6
; can't unpack high bytes in the same way because we process
; only six bytes at a time
pshufb m1, [v210_enc_luma_shuf_8]

pmullw m0, [v210_enc_luma_mult_8]
pmullw m1, [v210_enc_luma_mult_8]
pshufb m0, [v210_enc_luma_shuf_10]
pshufb m1, [v210_enc_luma_shuf_10]

movq m3, [uq+widthq]
movhps m3, [vq+widthq]
CLIPUB m3, m4, m5

; shuffle and multiply to get the same packing as in 10-bit
pshufb m2, m3, [v210_enc_chroma_shuf1_8]
pshufb m3, [v210_enc_chroma_shuf2_8]

pmullw m2, [v210_enc_chroma_mult_8]
pmullw m3, [v210_enc_chroma_mult_8]
pshufb m2, [v210_enc_chroma_shuf_10]
pshufb m3, [v210_enc_chroma_shuf_10]

por m0, m2
por m1, m3

movu [dstq], m0
movu [dstq+mmsize], m1

add dstq, 2*mmsize
add widthq, 6
jl .loop

RET
%endmacro

INIT_XMM ssse3
v210_planar_pack_8
INIT_XMM avx
v210_planar_pack_8

+ 42
- 0
libavcodec/x86/v210enc_init.c View File

@@ -0,0 +1,42 @@
/*
* 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/cpu.h"
#include "libavcodec/v210enc.h"

void ff_v210_planar_pack_8_ssse3(const uint8_t *y, const uint8_t *u,
const uint8_t *v, uint8_t *dst,
ptrdiff_t width);
void ff_v210_planar_pack_8_avx(const uint8_t *y, const uint8_t *u,
const uint8_t *v, uint8_t *dst, ptrdiff_t width);
void ff_v210_planar_pack_10_ssse3(const uint16_t *y, const uint16_t *u,
const uint16_t *v, uint8_t *dst,
ptrdiff_t width);

av_cold void ff_v210enc_init_x86(V210EncContext *s)
{
int cpu_flags = av_get_cpu_flags();

if (EXTERNAL_SSSE3(cpu_flags)) {
s->pack_line_8 = ff_v210_planar_pack_8_ssse3;
s->pack_line_10 = ff_v210_planar_pack_10_ssse3;
}

if (EXTERNAL_AVX(cpu_flags))
s->pack_line_8 = ff_v210_planar_pack_8_avx;
}

+ 5
- 0
libavutil/x86/x86util.asm View File

@@ -584,6 +584,11 @@
%endif
%endmacro

%macro CLIPUB 3 ;(dst, min, max)
pmaxub %1, %2
pminub %1, %3
%endmacro

%macro CLIPW 3 ;(dst, min, max)
pmaxsw %1, %2
pminsw %1, %3


+ 3
- 3
tests/ref/vsynth/vsynth1-v210 View File

@@ -1,4 +1,4 @@
054d7e903fb4d9e68700c56b93d45916 *tests/data/fate/vsynth1-v210.avi
a38de84bfef53ed69204480c979dd6c4 *tests/data/fate/vsynth1-v210.avi
14752448 tests/data/fate/vsynth1-v210.avi
50973792d3f1abe04a51ee0121f077f2 *tests/data/fate/vsynth1-v210.out.rawvideo
stddev: 1.85 PSNR: 42.78 MAXDIFF: 29 bytes: 7603200/ 7603200
2ba7f4ca302f3c4147860b9dfb12b6e4 *tests/data/fate/vsynth1-v210.out.rawvideo
stddev: 1.84 PSNR: 42.81 MAXDIFF: 29 bytes: 7603200/ 7603200

+ 3
- 3
tests/ref/vsynth/vsynth2-v210 View File

@@ -1,4 +1,4 @@
87bb634932b3f5cacd4d08142798db17 *tests/data/fate/vsynth2-v210.avi
3aae4d5b25a4d91e4812a297c6a9ef8a *tests/data/fate/vsynth2-v210.avi
14752448 tests/data/fate/vsynth2-v210.avi
8bb1c449e1a2a94fd0d98841c04246bb *tests/data/fate/vsynth2-v210.out.rawvideo
stddev: 0.39 PSNR: 56.17 MAXDIFF: 9 bytes: 7603200/ 7603200
99e367a50da75c2c187230889bee8e2e *tests/data/fate/vsynth2-v210.out.rawvideo
stddev: 0.40 PSNR: 56.06 MAXDIFF: 9 bytes: 7603200/ 7603200

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