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hqx: Move DSP related code to a separate file

This commit is contained in:
Vittorio Giovara 2015-04-09 18:09:32 +02:00
parent 17aa81d947
commit ea031b75fb
5 changed files with 207 additions and 137 deletions
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2
libavcodec/Makefile
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@ -232,7 +232,7 @@ OBJS-$(CONFIG_HEVC_DECODER) += hevc.o hevc_mvs.o hevc_ps.o hevc_sei.o
hevc_cabac.o hevc_refs.o hevcpred.o \
hevcdsp.o hevc_filter.o
OBJS-$(CONFIG_HNM4_VIDEO_DECODER) += hnm4video.o
OBJS-$(CONFIG_HQX_DECODER) += hqx.o hqxvlc.o
OBJS-$(CONFIG_HQX_DECODER) += hqx.o hqxvlc.o hqxdsp.o
OBJS-$(CONFIG_HUFFYUV_DECODER) += huffyuv.o huffyuvdec.o
OBJS-$(CONFIG_HUFFYUV_ENCODER) += huffyuv.o huffyuvenc.o
OBJS-$(CONFIG_IDCIN_DECODER) += idcinvideo.o

169
libavcodec/hqx.c
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@ -28,6 +28,7 @@
#include "internal.h"
#include "hqx.h"
#include "hqxdsp.h"
/* HQX has four modes - 422, 444, 422alpha and 444alpha - all 12-bit */
enum HQXFormat {
@ -81,115 +82,7 @@ static const uint8_t hqx_quant_chroma[64] = {
44, 91, 96, 197, 203, 209, 232, 246,
};
static inline void idct_col(int16_t *blk, const uint8_t *quant)
{
int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF;
int t10, t11, t12, t13;
int s0, s1, s2, s3, s4, s5, s6, s7;
s0 = (int) blk[0 * 8] * quant[0 * 8];
s1 = (int) blk[1 * 8] * quant[1 * 8];
s2 = (int) blk[2 * 8] * quant[2 * 8];
s3 = (int) blk[3 * 8] * quant[3 * 8];
s4 = (int) blk[4 * 8] * quant[4 * 8];
s5 = (int) blk[5 * 8] * quant[5 * 8];
s6 = (int) blk[6 * 8] * quant[6 * 8];
s7 = (int) blk[7 * 8] * quant[7 * 8];
t0 = (s3 * 19266 + s5 * 12873) >> 15;
t1 = (s5 * 19266 - s3 * 12873) >> 15;
t2 = ((s7 * 4520 + s1 * 22725) >> 15) - t0;
t3 = ((s1 * 4520 - s7 * 22725) >> 15) - t1;
t4 = t0 * 2 + t2;
t5 = t1 * 2 + t3;
t6 = t2 - t3;
t7 = t3 * 2 + t6;
t8 = (t6 * 11585) >> 14;
t9 = (t7 * 11585) >> 14;
tA = (s2 * 8867 - s6 * 21407) >> 14;
tB = (s6 * 8867 + s2 * 21407) >> 14;
tC = (s0 >> 1) - (s4 >> 1);
tD = (s4 >> 1) * 2 + tC;
tE = tC - (tA >> 1);
tF = tD - (tB >> 1);
t10 = tF - t5;
t11 = tE - t8;
t12 = tE + (tA >> 1) * 2 - t9;
t13 = tF + (tB >> 1) * 2 - t4;
blk[0 * 8] = t13 + t4 * 2;
blk[1 * 8] = t12 + t9 * 2;
blk[2 * 8] = t11 + t8 * 2;
blk[3 * 8] = t10 + t5 * 2;
blk[4 * 8] = t10;
blk[5 * 8] = t11;
blk[6 * 8] = t12;
blk[7 * 8] = t13;
}
static inline void idct_row(int16_t *blk)
{
int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF;
int t10, t11, t12, t13;
t0 = (blk[3] * 19266 + blk[5] * 12873) >> 14;
t1 = (blk[5] * 19266 - blk[3] * 12873) >> 14;
t2 = ((blk[7] * 4520 + blk[1] * 22725) >> 14) - t0;
t3 = ((blk[1] * 4520 - blk[7] * 22725) >> 14) - t1;
t4 = t0 * 2 + t2;
t5 = t1 * 2 + t3;
t6 = t2 - t3;
t7 = t3 * 2 + t6;
t8 = (t6 * 11585) >> 14;
t9 = (t7 * 11585) >> 14;
tA = (blk[2] * 8867 - blk[6] * 21407) >> 14;
tB = (blk[6] * 8867 + blk[2] * 21407) >> 14;
tC = blk[0] - blk[4];
tD = blk[4] * 2 + tC;
tE = tC - tA;
tF = tD - tB;
t10 = tF - t5;
t11 = tE - t8;
t12 = tE + tA * 2 - t9;
t13 = tF + tB * 2 - t4;
blk[0] = (t13 + t4 * 2 + 4) >> 3;
blk[1] = (t12 + t9 * 2 + 4) >> 3;
blk[2] = (t11 + t8 * 2 + 4) >> 3;
blk[3] = (t10 + t5 * 2 + 4) >> 3;
blk[4] = (t10 + 4) >> 3;
blk[5] = (t11 + 4) >> 3;
blk[6] = (t12 + 4) >> 3;
blk[7] = (t13 + 4) >> 3;
}
static void hqx_idct(int16_t *block, const uint8_t *quant)
{
int i;
for (i = 0; i < 8; i++)
idct_col(block + i, quant + i);
for (i = 0; i < 8; i++)
idct_row(block + i * 8);
}
static void hqx_idct_put(uint16_t *dst, ptrdiff_t stride,
int16_t *block, const uint8_t *quant)
{
int i, j;
hqx_idct(block, quant);
for (i = 0; i < 8; i++) {
for (j = 0; j < 8; j++) {
int v = av_clip(block[j + i * 8] + 0x800, 0, 0xFFF);
dst[j] = (v << 4) | (v >> 8);
}
dst += stride >> 1;
}
}
static inline void put_blocks(AVFrame *pic, int plane,
static inline void put_blocks(HQXContext *ctx, AVFrame *pic, int plane,
int x, int y, int ilace,
int16_t *block0, int16_t *block1,
const uint8_t *quant)
@ -198,9 +91,10 @@ static inline void put_blocks(AVFrame *pic, int plane,
int lsize = pic->linesize[plane];
uint8_t *p = pic->data[plane] + x * 2;
hqx_idct_put((uint16_t *)(p + y * lsize), lsize * fields, block0, quant);
hqx_idct_put((uint16_t *)(p + (y + (ilace ? 1 : 8)) * lsize),
lsize * fields, block1, quant);
ctx->hqxdsp.idct_put((uint16_t *)(p + y * lsize),
lsize * fields, block0, quant);
ctx->hqxdsp.idct_put((uint16_t *)(p + (y + (ilace ? 1 : 8)) * lsize),
lsize * fields, block1, quant);
}
static inline void hqx_get_ac(GetBitContext *gb, const HQXAC *ac,
@ -285,10 +179,10 @@ static int hqx_decode_422(HQXContext *ctx, AVFrame *pic,
return ret;
}
put_blocks(pic, 0, x, y, flag, ctx->block[0], ctx->block[2], hqx_quant_luma);
put_blocks(pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[3], hqx_quant_luma);
put_blocks(pic, 2, x >> 1, y, flag, ctx->block[4], ctx->block[5], hqx_quant_chroma);
put_blocks(pic, 1, x >> 1, y, flag, ctx->block[6], ctx->block[7], hqx_quant_chroma);
put_blocks(ctx, pic, 0, x, y, flag, ctx->block[0], ctx->block[2], hqx_quant_luma);
put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[3], hqx_quant_luma);
put_blocks(ctx, pic, 2, x >> 1, y, flag, ctx->block[4], ctx->block[5], hqx_quant_chroma);
put_blocks(ctx, pic, 1, x >> 1, y, flag, ctx->block[6], ctx->block[7], hqx_quant_chroma);
return 0;
}
@ -332,12 +226,12 @@ static int hqx_decode_422a(HQXContext *ctx, AVFrame *pic,
}
}
put_blocks(pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma);
put_blocks(pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma);
put_blocks(pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma);
put_blocks(pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma);
put_blocks(pic, 2, x >> 1, y, flag, ctx->block[ 8], ctx->block[ 9], hqx_quant_chroma);
put_blocks(pic, 1, x >> 1, y, flag, ctx->block[10], ctx->block[11], hqx_quant_chroma);
put_blocks(ctx, pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma);
put_blocks(ctx, pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma);
put_blocks(ctx, pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma);
put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma);
put_blocks(ctx, pic, 2, x >> 1, y, flag, ctx->block[ 8], ctx->block[ 9], hqx_quant_chroma);
put_blocks(ctx, pic, 1, x >> 1, y, flag, ctx->block[10], ctx->block[11], hqx_quant_chroma);
return 0;
}
@ -367,12 +261,12 @@ static int hqx_decode_444(HQXContext *ctx, AVFrame *pic,
return ret;
}
put_blocks(pic, 0, x, y, flag, ctx->block[0], ctx->block[ 2], hqx_quant_luma);
put_blocks(pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[ 3], hqx_quant_luma);
put_blocks(pic, 2, x, y, flag, ctx->block[4], ctx->block[ 6], hqx_quant_chroma);
put_blocks(pic, 2, x + 8, y, flag, ctx->block[5], ctx->block[ 7], hqx_quant_chroma);
put_blocks(pic, 1, x, y, flag, ctx->block[8], ctx->block[10], hqx_quant_chroma);
put_blocks(pic, 1, x + 8, y, flag, ctx->block[9], ctx->block[11], hqx_quant_chroma);
put_blocks(ctx, pic, 0, x, y, flag, ctx->block[0], ctx->block[ 2], hqx_quant_luma);
put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[1], ctx->block[ 3], hqx_quant_luma);
put_blocks(ctx, pic, 2, x, y, flag, ctx->block[4], ctx->block[ 6], hqx_quant_chroma);
put_blocks(ctx, pic, 2, x + 8, y, flag, ctx->block[5], ctx->block[ 7], hqx_quant_chroma);
put_blocks(ctx, pic, 1, x, y, flag, ctx->block[8], ctx->block[10], hqx_quant_chroma);
put_blocks(ctx, pic, 1, x + 8, y, flag, ctx->block[9], ctx->block[11], hqx_quant_chroma);
return 0;
}
@ -413,14 +307,14 @@ static int hqx_decode_444a(HQXContext *ctx, AVFrame *pic,
}
}
put_blocks(pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma);
put_blocks(pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma);
put_blocks(pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma);
put_blocks(pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma);
put_blocks(pic, 2, x, y, flag, ctx->block[ 8], ctx->block[10], hqx_quant_chroma);
put_blocks(pic, 2, x + 8, y, flag, ctx->block[ 9], ctx->block[11], hqx_quant_chroma);
put_blocks(pic, 1, x, y, flag, ctx->block[12], ctx->block[14], hqx_quant_chroma);
put_blocks(pic, 1, x + 8, y, flag, ctx->block[13], ctx->block[15], hqx_quant_chroma);
put_blocks(ctx, pic, 3, x, y, flag, ctx->block[ 0], ctx->block[ 2], hqx_quant_luma);
put_blocks(ctx, pic, 3, x + 8, y, flag, ctx->block[ 1], ctx->block[ 3], hqx_quant_luma);
put_blocks(ctx, pic, 0, x, y, flag, ctx->block[ 4], ctx->block[ 6], hqx_quant_luma);
put_blocks(ctx, pic, 0, x + 8, y, flag, ctx->block[ 5], ctx->block[ 7], hqx_quant_luma);
put_blocks(ctx, pic, 2, x, y, flag, ctx->block[ 8], ctx->block[10], hqx_quant_chroma);
put_blocks(ctx, pic, 2, x + 8, y, flag, ctx->block[ 9], ctx->block[11], hqx_quant_chroma);
put_blocks(ctx, pic, 1, x, y, flag, ctx->block[12], ctx->block[14], hqx_quant_chroma);
put_blocks(ctx, pic, 1, x + 8, y, flag, ctx->block[13], ctx->block[15], hqx_quant_chroma);
return 0;
}
@ -628,6 +522,9 @@ static av_cold int hqx_decode_init(AVCodecContext *avctx)
int ret = ff_hqx_init_vlcs(ctx);
if (ret < 0)
hqx_decode_close(avctx);
ff_hqxdsp_init(&ctx->hqxdsp);
return ret;
}

3
libavcodec/hqx.h
View File

@ -24,6 +24,7 @@
#include <stdint.h>
#include "libavutil/mem.h"
#include "get_bits.h"
#include "hqxdsp.h"
enum HQXACMode {
HQX_AC_Q0 = 0,
@ -47,6 +48,8 @@ typedef struct HQXAC {
} HQXAC;
typedef struct HQXContext {
HQXDSPContext hqxdsp;
int format, dcb, width, height;
int interlaced;

131
libavcodec/hqxdsp.c Normal file
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@ -0,0 +1,131 @@
/*
* HQX DSP routines
*
* 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 "libavutil/common.h"
#include "hqxdsp.h"
static inline void idct_col(int16_t *blk, const uint8_t *quant)
{
int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF;
int t10, t11, t12, t13;
int s0, s1, s2, s3, s4, s5, s6, s7;
s0 = (int) blk[0 * 8] * quant[0 * 8];
s1 = (int) blk[1 * 8] * quant[1 * 8];
s2 = (int) blk[2 * 8] * quant[2 * 8];
s3 = (int) blk[3 * 8] * quant[3 * 8];
s4 = (int) blk[4 * 8] * quant[4 * 8];
s5 = (int) blk[5 * 8] * quant[5 * 8];
s6 = (int) blk[6 * 8] * quant[6 * 8];
s7 = (int) blk[7 * 8] * quant[7 * 8];
t0 = (s3 * 19266 + s5 * 12873) >> 15;
t1 = (s5 * 19266 - s3 * 12873) >> 15;
t2 = ((s7 * 4520 + s1 * 22725) >> 15) - t0;
t3 = ((s1 * 4520 - s7 * 22725) >> 15) - t1;
t4 = t0 * 2 + t2;
t5 = t1 * 2 + t3;
t6 = t2 - t3;
t7 = t3 * 2 + t6;
t8 = (t6 * 11585) >> 14;
t9 = (t7 * 11585) >> 14;
tA = (s2 * 8867 - s6 * 21407) >> 14;
tB = (s6 * 8867 + s2 * 21407) >> 14;
tC = (s0 >> 1) - (s4 >> 1);
tD = (s4 >> 1) * 2 + tC;
tE = tC - (tA >> 1);
tF = tD - (tB >> 1);
t10 = tF - t5;
t11 = tE - t8;
t12 = tE + (tA >> 1) * 2 - t9;
t13 = tF + (tB >> 1) * 2 - t4;
blk[0 * 8] = t13 + t4 * 2;
blk[1 * 8] = t12 + t9 * 2;
blk[2 * 8] = t11 + t8 * 2;
blk[3 * 8] = t10 + t5 * 2;
blk[4 * 8] = t10;
blk[5 * 8] = t11;
blk[6 * 8] = t12;
blk[7 * 8] = t13;
}
static inline void idct_row(int16_t *blk)
{
int t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, tA, tB, tC, tD, tE, tF;
int t10, t11, t12, t13;
t0 = (blk[3] * 19266 + blk[5] * 12873) >> 14;
t1 = (blk[5] * 19266 - blk[3] * 12873) >> 14;
t2 = ((blk[7] * 4520 + blk[1] * 22725) >> 14) - t0;
t3 = ((blk[1] * 4520 - blk[7] * 22725) >> 14) - t1;
t4 = t0 * 2 + t2;
t5 = t1 * 2 + t3;
t6 = t2 - t3;
t7 = t3 * 2 + t6;
t8 = (t6 * 11585) >> 14;
t9 = (t7 * 11585) >> 14;
tA = (blk[2] * 8867 - blk[6] * 21407) >> 14;
tB = (blk[6] * 8867 + blk[2] * 21407) >> 14;
tC = blk[0] - blk[4];
tD = blk[4] * 2 + tC;
tE = tC - tA;
tF = tD - tB;
t10 = tF - t5;
t11 = tE - t8;
t12 = tE + tA * 2 - t9;
t13 = tF + tB * 2 - t4;
blk[0] = (t13 + t4 * 2 + 4) >> 3;
blk[1] = (t12 + t9 * 2 + 4) >> 3;
blk[2] = (t11 + t8 * 2 + 4) >> 3;
blk[3] = (t10 + t5 * 2 + 4) >> 3;
blk[4] = (t10 + 4) >> 3;
blk[5] = (t11 + 4) >> 3;
blk[6] = (t12 + 4) >> 3;
blk[7] = (t13 + 4) >> 3;
}
static void hqx_idct_put(uint16_t *dst, ptrdiff_t stride,
int16_t *block, const uint8_t *quant)
{
int i, j;
for (i = 0; i < 8; i++)
idct_col(block + i, quant + i);
for (i = 0; i < 8; i++)
idct_row(block + i * 8);
for (i = 0; i < 8; i++) {
for (j = 0; j < 8; j++) {
int v = av_clip(block[j + i * 8] + 0x800, 0, 0xFFF);
dst[j] = (v << 4) | (v >> 8);
}
dst += stride >> 1;
}
}
av_cold void ff_hqxdsp_init(HQXDSPContext *c)
{
c->idct_put = hqx_idct_put;
}

39
libavcodec/hqxdsp.h Normal file
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@ -0,0 +1,39 @@
/*
* HQX DSP routines
*
* 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
* HQX DSP routines
*/
#ifndef AVCODEC_HQXDSP_H
#define AVCODEC_HQXDSP_H
#include <stdint.h>
typedef struct HQXDSPContext {
void (*idct_put)(uint16_t *dst, ptrdiff_t stride,
int16_t *block, const uint8_t *quant);
} HQXDSPContext;
void ff_hqxdsp_init(HQXDSPContext *c);
#endif /* AVCODEC_HQXDSP_H */