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swscale: cleanup unused code 

Removed previous swscale code under '#ifndef NEW_FILTER'
and removed unused fields of SwsContext
tags/n3.1
Pedro Arthur 9 years ago
parent
3b905b9fe6
commit
6de58b4903
10 changed files with 65 additions and 463 deletions
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  1. +1
    -1
      libswscale/input.c
  2. +20
    -20
      libswscale/output.c
  3. +2
    -2
      libswscale/ppc/swscale_altivec.c
  4. +2
    -2
      libswscale/slice.c
  5. +21
    -315
      libswscale/swscale.c
  6. +1
    -9
      libswscale/swscale_internal.h
  7. +2
    -76
      libswscale/utils.c
  8. +2
    -2
      libswscale/vscale.c
  9. +8
    -30
      libswscale/x86/swscale.c
  10. +6
    -6
      libswscale/x86/swscale_template.c

+ 1
- 1
libswscale/input.c View File

@@ -1482,7 +1482,7 @@ av_cold void ff_sws_init_input_funcs(SwsContext *c)
c->lumToYV12 = p010BEToY_c;
break;
}
if (c->alpPixBuf) {
if (c->needAlpha) {
if (is16BPS(srcFormat) || isNBPS(srcFormat)) {
if (HAVE_BIGENDIAN == !isBE(srcFormat))
c->alpToYV12 = bswap16Y_c;


+ 20
- 20
libswscale/output.c View File

@@ -1513,8 +1513,8 @@ static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \
}

#if CONFIG_SMALL
YUV2RGBWRAPPER(yuv2rgb,, 32_1, AV_PIX_FMT_RGB32_1, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPER(yuv2rgb,, 32, AV_PIX_FMT_RGB32, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPER(yuv2rgb,, 32_1, AV_PIX_FMT_RGB32_1, CONFIG_SWSCALE_ALPHA && c->needAlpha)
YUV2RGBWRAPPER(yuv2rgb,, 32, AV_PIX_FMT_RGB32, CONFIG_SWSCALE_ALPHA && c->needAlpha)
#else
#if CONFIG_SWSCALE_ALPHA
YUV2RGBWRAPPER(yuv2rgb,, a32_1, AV_PIX_FMT_RGB32_1, 1)
@@ -1823,10 +1823,10 @@ yuv2rgb_full_1_c_template(SwsContext *c, const int16_t *buf0,
}

#if CONFIG_SMALL
YUV2RGBWRAPPER(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPER(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPER(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPER(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
YUV2RGBWRAPPER(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, CONFIG_SWSCALE_ALPHA && c->needAlpha)
YUV2RGBWRAPPER(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, CONFIG_SWSCALE_ALPHA && c->needAlpha)
YUV2RGBWRAPPER(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, CONFIG_SWSCALE_ALPHA && c->needAlpha)
YUV2RGBWRAPPER(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, CONFIG_SWSCALE_ALPHA && c->needAlpha)
#else
#if CONFIG_SWSCALE_ALPHA
YUV2RGBWRAPPER(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, 1)
@@ -2119,7 +2119,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
*yuv2packed1 = yuv2rgba32_full_1_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2rgba32_full_X_c;
*yuv2packed2 = yuv2rgba32_full_2_c;
*yuv2packed1 = yuv2rgba32_full_1_c;
@@ -2139,7 +2139,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
*yuv2packed1 = yuv2argb32_full_1_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2argb32_full_X_c;
*yuv2packed2 = yuv2argb32_full_2_c;
*yuv2packed1 = yuv2argb32_full_1_c;
@@ -2159,7 +2159,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
*yuv2packed1 = yuv2bgra32_full_1_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2bgra32_full_X_c;
*yuv2packed2 = yuv2bgra32_full_2_c;
*yuv2packed1 = yuv2bgra32_full_1_c;
@@ -2179,7 +2179,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
*yuv2packed1 = yuv2abgr32_full_1_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2abgr32_full_X_c;
*yuv2packed2 = yuv2abgr32_full_2_c;
*yuv2packed1 = yuv2abgr32_full_1_c;
@@ -2194,7 +2194,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
break;
case AV_PIX_FMT_RGBA64LE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2rgba64le_full_X_c;
*yuv2packed2 = yuv2rgba64le_full_2_c;
*yuv2packed1 = yuv2rgba64le_full_1_c;
@@ -2208,7 +2208,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
break;
case AV_PIX_FMT_RGBA64BE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2rgba64be_full_X_c;
*yuv2packed2 = yuv2rgba64be_full_2_c;
*yuv2packed1 = yuv2rgba64be_full_1_c;
@@ -2222,7 +2222,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
break;
case AV_PIX_FMT_BGRA64LE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2bgra64le_full_X_c;
*yuv2packed2 = yuv2bgra64le_full_2_c;
*yuv2packed1 = yuv2bgra64le_full_1_c;
@@ -2236,7 +2236,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
break;
case AV_PIX_FMT_BGRA64BE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packedX = yuv2bgra64be_full_X_c;
*yuv2packed2 = yuv2bgra64be_full_2_c;
*yuv2packed1 = yuv2bgra64be_full_1_c;
@@ -2321,7 +2321,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
switch (dstFormat) {
case AV_PIX_FMT_RGBA64LE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packed1 = yuv2rgba64le_1_c;
*yuv2packed2 = yuv2rgba64le_2_c;
*yuv2packedX = yuv2rgba64le_X_c;
@@ -2335,7 +2335,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
break;
case AV_PIX_FMT_RGBA64BE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packed1 = yuv2rgba64be_1_c;
*yuv2packed2 = yuv2rgba64be_2_c;
*yuv2packedX = yuv2rgba64be_X_c;
@@ -2349,7 +2349,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
break;
case AV_PIX_FMT_BGRA64LE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packed1 = yuv2bgra64le_1_c;
*yuv2packed2 = yuv2bgra64le_2_c;
*yuv2packedX = yuv2bgra64le_X_c;
@@ -2363,7 +2363,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
break;
case AV_PIX_FMT_BGRA64BE:
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packed1 = yuv2bgra64be_1_c;
*yuv2packed2 = yuv2bgra64be_2_c;
*yuv2packedX = yuv2bgra64be_X_c;
@@ -2403,7 +2403,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
*yuv2packedX = yuv2rgb32_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packed1 = yuv2rgba32_1_c;
*yuv2packed2 = yuv2rgba32_2_c;
*yuv2packedX = yuv2rgba32_X_c;
@@ -2424,7 +2424,7 @@ av_cold void ff_sws_init_output_funcs(SwsContext *c,
*yuv2packedX = yuv2rgb32_1_X_c;
#else
#if CONFIG_SWSCALE_ALPHA
if (c->alpPixBuf) {
if (c->needAlpha) {
*yuv2packed1 = yuv2rgba32_1_1_c;
*yuv2packed2 = yuv2rgba32_1_2_c;
*yuv2packedX = yuv2rgba32_1_X_c;


+ 2
- 2
libswscale/ppc/swscale_altivec.c View File

@@ -339,13 +339,13 @@ av_cold void ff_sws_init_swscale_ppc(SwsContext *c)
}
if (!is16BPS(dstFormat) && !is9_OR_10BPS(dstFormat) &&
dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
!c->alpPixBuf) {
!c->needAlpha) {
c->yuv2planeX = yuv2planeX_altivec;
}

/* The following list of supported dstFormat values should
* match what's found in the body of ff_yuv2packedX_altivec() */
if (!(c->flags & (SWS_BITEXACT | SWS_FULL_CHR_H_INT)) && !c->alpPixBuf) {
if (!(c->flags & (SWS_BITEXACT | SWS_FULL_CHR_H_INT)) && !c->needAlpha) {
switch (c->dstFormat) {
case AV_PIX_FMT_ABGR:
c->yuv2packedX = ff_yuv2abgr_X_altivec;


+ 2
- 2
libswscale/slice.c View File

@@ -279,7 +279,7 @@ int ff_init_filters(SwsContext * c)
if (need_lum_conv) {
res = ff_init_desc_fmt_convert(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], pal);
if (res < 0) goto cleanup;
c->desc[index].alpha = c->alpPixBuf != 0;
c->desc[index].alpha = c->needAlpha;
++index;
srcIdx = dstIdx;
}
@@ -288,7 +288,7 @@ int ff_init_filters(SwsContext * c)
dstIdx = FFMAX(num_ydesc, num_cdesc);
res = ff_init_desc_hscale(&c->desc[index], &c->slice[srcIdx], &c->slice[dstIdx], c->hLumFilter, c->hLumFilterPos, c->hLumFilterSize, c->lumXInc);
if (res < 0) goto cleanup;
c->desc[index].alpha = c->alpPixBuf != 0;
c->desc[index].alpha = c->needAlpha;


++index;


+ 21
- 315
libswscale/swscale.c View File

@@ -52,24 +52,6 @@ DECLARE_ALIGNED(8, static const uint8_t, sws_pb_64)[8] = {
64, 64, 64, 64, 64, 64, 64, 64
};

#ifndef NEW_FILTER
static void gamma_convert(uint8_t * src[], int width, uint16_t *gamma)
{
int i;
uint16_t *src1 = (uint16_t*)src[0];

for (i = 0; i < width; ++i) {
uint16_t r = AV_RL16(src1 + i*4 + 0);
uint16_t g = AV_RL16(src1 + i*4 + 1);
uint16_t b = AV_RL16(src1 + i*4 + 2);

AV_WL16(src1 + i*4 + 0, gamma[r]);
AV_WL16(src1 + i*4 + 1, gamma[g]);
AV_WL16(src1 + i*4 + 2, gamma[b]);
}
}
#endif

static av_always_inline void fillPlane(uint8_t *plane, int stride, int width,
int height, int y, uint8_t val)
{
@@ -240,79 +222,6 @@ static void lumRangeFromJpeg16_c(int16_t *_dst, int width)
dst[i] = (dst[i]*(14071/4) + (33561947<<4)/4)>>12;
}

#ifndef NEW_FILTER
// *** horizontal scale Y line to temp buffer
static av_always_inline void hyscale(SwsContext *c, int16_t *dst, int dstWidth,
const uint8_t *src_in[4],
int srcW, int xInc,
const int16_t *hLumFilter,
const int32_t *hLumFilterPos,
int hLumFilterSize,
uint8_t *formatConvBuffer,
uint32_t *pal, int isAlpha)
{
void (*toYV12)(uint8_t *, const uint8_t *, const uint8_t *, const uint8_t *, int, uint32_t *) =
isAlpha ? c->alpToYV12 : c->lumToYV12;
void (*convertRange)(int16_t *, int) = isAlpha ? NULL : c->lumConvertRange;
const uint8_t *src = src_in[isAlpha ? 3 : 0];

if (toYV12) {
toYV12(formatConvBuffer, src, src_in[1], src_in[2], srcW, pal);
src = formatConvBuffer;
} else if (c->readLumPlanar && !isAlpha) {
c->readLumPlanar(formatConvBuffer, src_in, srcW, c->input_rgb2yuv_table);
src = formatConvBuffer;
} else if (c->readAlpPlanar && isAlpha) {
c->readAlpPlanar(formatConvBuffer, src_in, srcW, NULL);
src = formatConvBuffer;
}

if (!c->hyscale_fast) {
c->hyScale(c, dst, dstWidth, src, hLumFilter,
hLumFilterPos, hLumFilterSize);
} else { // fast bilinear upscale / crap downscale
c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
}

if (convertRange)
convertRange(dst, dstWidth);
}

static av_always_inline void hcscale(SwsContext *c, int16_t *dst1,
int16_t *dst2, int dstWidth,
const uint8_t *src_in[4],
int srcW, int xInc,
const int16_t *hChrFilter,
const int32_t *hChrFilterPos,
int hChrFilterSize,
uint8_t *formatConvBuffer, uint32_t *pal)
{
const uint8_t *src1 = src_in[1], *src2 = src_in[2];
if (c->chrToYV12) {
uint8_t *buf2 = formatConvBuffer +
FFALIGN(srcW*2+78, 16);
c->chrToYV12(formatConvBuffer, buf2, src_in[0], src1, src2, srcW, pal);
src1= formatConvBuffer;
src2= buf2;
} else if (c->readChrPlanar) {
uint8_t *buf2 = formatConvBuffer +
FFALIGN(srcW*2+78, 16);
c->readChrPlanar(formatConvBuffer, buf2, src_in, srcW, c->input_rgb2yuv_table);
src1 = formatConvBuffer;
src2 = buf2;
}

if (!c->hcscale_fast) {
c->hcScale(c, dst1, dstWidth, src1, hChrFilter, hChrFilterPos, hChrFilterSize);
c->hcScale(c, dst2, dstWidth, src2, hChrFilter, hChrFilterPos, hChrFilterSize);
} else { // fast bilinear upscale / crap downscale
c->hcscale_fast(c, dst1, dst2, dstWidth, src1, src2, srcW, xInc);
}

if (c->chrConvertRange)
c->chrConvertRange(dst1, dst2, dstWidth);
}
#endif /* NEW_FILTER */

#define DEBUG_SWSCALE_BUFFERS 0
#define DEBUG_BUFFERS(...) \
@@ -325,46 +234,17 @@ static int swscale(SwsContext *c, const uint8_t *src[],
{
/* load a few things into local vars to make the code more readable?
* and faster */
#ifndef NEW_FILTER
const int srcW = c->srcW;
#endif
const int dstW = c->dstW;
const int dstH = c->dstH;
#ifndef NEW_FILTER
const int chrDstW = c->chrDstW;
const int chrSrcW = c->chrSrcW;
const int lumXInc = c->lumXInc;
const int chrXInc = c->chrXInc;
#endif

const enum AVPixelFormat dstFormat = c->dstFormat;
const int flags = c->flags;
int32_t *vLumFilterPos = c->vLumFilterPos;
int32_t *vChrFilterPos = c->vChrFilterPos;
#ifndef NEW_FILTER
int32_t *hLumFilterPos = c->hLumFilterPos;
int32_t *hChrFilterPos = c->hChrFilterPos;
int16_t *hLumFilter = c->hLumFilter;
int16_t *hChrFilter = c->hChrFilter;
int32_t *lumMmxFilter = c->lumMmxFilter;
int32_t *chrMmxFilter = c->chrMmxFilter;
#endif

const int vLumFilterSize = c->vLumFilterSize;
const int vChrFilterSize = c->vChrFilterSize;
#ifndef NEW_FILTER
const int hLumFilterSize = c->hLumFilterSize;
const int hChrFilterSize = c->hChrFilterSize;
int16_t **lumPixBuf = c->lumPixBuf;
int16_t **chrUPixBuf = c->chrUPixBuf;
int16_t **chrVPixBuf = c->chrVPixBuf;
#endif
int16_t **alpPixBuf = c->alpPixBuf;
const int vLumBufSize = c->vLumBufSize;
const int vChrBufSize = c->vChrBufSize;
#ifndef NEW_FILTER
uint8_t *formatConvBuffer = c->formatConvBuffer;
uint32_t *pal = c->pal_yuv;
int perform_gamma = c->is_internal_gamma;
#endif

yuv2planar1_fn yuv2plane1 = c->yuv2plane1;
yuv2planarX_fn yuv2planeX = c->yuv2planeX;
yuv2interleavedX_fn yuv2nv12cX = c->yuv2nv12cX;
@@ -385,7 +265,7 @@ static int swscale(SwsContext *c, const uint8_t *src[],
int lastInLumBuf = c->lastInLumBuf;
int lastInChrBuf = c->lastInChrBuf;

#ifdef NEW_FILTER
int lumStart = 0;
int lumEnd = c->descIndex[0];
int chrStart = lumEnd;
@@ -397,15 +277,12 @@ static int swscale(SwsContext *c, const uint8_t *src[],
SwsSlice *vout_slice = &c->slice[c->numSlice-1];
SwsFilterDescriptor *desc = c->desc;


int needAlpha = c->needAlpha;

int hasLumHoles = 1;
int hasChrHoles = 1;
#endif

#ifndef NEW_FILTER
if (!usePal(c->srcFormat)) {
pal = c->input_rgb2yuv_table;
}
#endif

if (isPacked(c->srcFormat)) {
src[0] =
@@ -427,8 +304,8 @@ static int swscale(SwsContext *c, const uint8_t *src[],
dst[2], dstStride[2], dst[3], dstStride[3]);
DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n",
srcSliceY, srcSliceH, dstY, dstH);
DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n",
vLumFilterSize, vLumBufSize, vChrFilterSize, vChrBufSize);
DEBUG_BUFFERS("vLumFilterSize: %d vChrFilterSize: %d\n",
vLumFilterSize, vChrFilterSize);

if (dstStride[0]&15 || dstStride[1]&15 ||
dstStride[2]&15 || dstStride[3]&15) {
@@ -470,7 +347,6 @@ static int swscale(SwsContext *c, const uint8_t *src[],
}
lastDstY = dstY;

#ifdef NEW_FILTER
ff_init_vscale_pfn(c, yuv2plane1, yuv2planeX, yuv2nv12cX,
yuv2packed1, yuv2packed2, yuv2packedX, yuv2anyX, c->use_mmx_vfilter);

@@ -492,18 +368,9 @@ static int swscale(SwsContext *c, const uint8_t *src[],
hout_slice->plane[3].sliceH = 0;
hout_slice->width = dstW;
}
#endif

for (; dstY < dstH; dstY++) {
const int chrDstY = dstY >> c->chrDstVSubSample;
#ifndef NEW_FILTER
uint8_t *dest[4] = {
dst[0] + dstStride[0] * dstY,
dst[1] + dstStride[1] * chrDstY,
dst[2] + dstStride[2] * chrDstY,
(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3] + dstStride[3] * dstY : NULL,
};
#endif
int use_mmx_vfilter= c->use_mmx_vfilter;

// First line needed as input
@@ -517,14 +384,13 @@ static int swscale(SwsContext *c, const uint8_t *src[],
int lastLumSrcY2 = FFMIN(c->srcH, firstLumSrcY2 + vLumFilterSize) - 1;
int lastChrSrcY = FFMIN(c->chrSrcH, firstChrSrcY + vChrFilterSize) - 1;
int enough_lines;
#ifdef NEW_FILTER
int i;
int posY, cPosY, firstPosY, lastPosY, firstCPosY, lastCPosY;
#endif

// handle holes (FAST_BILINEAR & weird filters)
if (firstLumSrcY > lastInLumBuf) {
#ifdef NEW_FILTER
hasLumHoles = lastInLumBuf != firstLumSrcY - 1;
if (hasLumHoles) {
hout_slice->plane[0].sliceY = firstLumSrcY;
@@ -532,11 +398,11 @@ static int swscale(SwsContext *c, const uint8_t *src[],
hout_slice->plane[0].sliceH =
hout_slice->plane[3].sliceH = 0;
}
#endif
lastInLumBuf = firstLumSrcY - 1;
}
if (firstChrSrcY > lastInChrBuf) {
#ifdef NEW_FILTER
hasChrHoles = lastInChrBuf != firstChrSrcY - 1;
if (hasChrHoles) {
hout_slice->plane[1].sliceY = firstChrSrcY;
@@ -544,11 +410,11 @@ static int swscale(SwsContext *c, const uint8_t *src[],
hout_slice->plane[1].sliceH =
hout_slice->plane[2].sliceH = 0;
}
#endif
lastInChrBuf = firstChrSrcY - 1;
}
av_assert0(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
av_assert0(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
av_assert0(firstLumSrcY >= lastInLumBuf - vLumFilterSize + 1);
av_assert0(firstChrSrcY >= lastInChrBuf - vChrFilterSize + 1);

DEBUG_BUFFERS("dstY: %d\n", dstY);
DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n",
@@ -567,7 +433,6 @@ static int swscale(SwsContext *c, const uint8_t *src[],
lastLumSrcY, lastChrSrcY);
}

#ifdef NEW_FILTER
posY = hout_slice->plane[0].sliceY + hout_slice->plane[0].sliceH;
if (posY <= lastLumSrcY && !hasLumHoles) {
firstPosY = FFMAX(firstLumSrcY, posY);
@@ -604,62 +469,11 @@ static int swscale(SwsContext *c, const uint8_t *src[],
chrBufIndex += lastChrSrcY - lastInChrBuf;
lastInChrBuf = lastChrSrcY;

#else
// Do horizontal scaling
while (lastInLumBuf < lastLumSrcY) {
const uint8_t *src1[4] = {
src[0] + (lastInLumBuf + 1 - srcSliceY) * srcStride[0],
src[1] + (lastInLumBuf + 1 - srcSliceY) * srcStride[1],
src[2] + (lastInLumBuf + 1 - srcSliceY) * srcStride[2],
src[3] + (lastInLumBuf + 1 - srcSliceY) * srcStride[3],
};
lumBufIndex++;
av_assert0(lumBufIndex < 2 * vLumBufSize);
av_assert0(lastInLumBuf + 1 - srcSliceY < srcSliceH);
av_assert0(lastInLumBuf + 1 - srcSliceY >= 0);

if (perform_gamma)
gamma_convert((uint8_t **)src1, srcW, c->inv_gamma);

hyscale(c, lumPixBuf[lumBufIndex], dstW, src1, srcW, lumXInc,
hLumFilter, hLumFilterPos, hLumFilterSize,
formatConvBuffer, pal, 0);
if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
hyscale(c, alpPixBuf[lumBufIndex], dstW, src1, srcW,
lumXInc, hLumFilter, hLumFilterPos, hLumFilterSize,
formatConvBuffer, pal, 1);
lastInLumBuf++;
DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n",
lumBufIndex, lastInLumBuf);
}
while (lastInChrBuf < lastChrSrcY) {
const uint8_t *src1[4] = {
src[0] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[0],
src[1] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[1],
src[2] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[2],
src[3] + (lastInChrBuf + 1 - chrSrcSliceY) * srcStride[3],
};
chrBufIndex++;
av_assert0(chrBufIndex < 2 * vChrBufSize);
av_assert0(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
av_assert0(lastInChrBuf + 1 - chrSrcSliceY >= 0);
// FIXME replace parameters through context struct (some at least)

if (c->needs_hcscale)
hcscale(c, chrUPixBuf[chrBufIndex], chrVPixBuf[chrBufIndex],
chrDstW, src1, chrSrcW, chrXInc,
hChrFilter, hChrFilterPos, hChrFilterSize,
formatConvBuffer, pal);
lastInChrBuf++;
DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n",
chrBufIndex, lastInChrBuf);
}
#endif
// wrap buf index around to stay inside the ring buffer
if (lumBufIndex >= vLumBufSize)
lumBufIndex -= vLumBufSize;
if (chrBufIndex >= vChrBufSize)
chrBufIndex -= vChrBufSize;
if (lumBufIndex >= vLumFilterSize)
lumBufIndex -= vLumFilterSize;
if (chrBufIndex >= vChrFilterSize)
chrBufIndex -= vChrFilterSize;
if (!enough_lines)
break; // we can't output a dstY line so let's try with the next slice

@@ -682,119 +496,11 @@ static int swscale(SwsContext *c, const uint8_t *src[],
}

{
#ifdef NEW_FILTER
for (i = vStart; i < vEnd; ++i)
desc[i].process(c, &desc[i], dstY, 1);
#else
const int16_t **lumSrcPtr = (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **chrVSrcPtr = (const int16_t **)(void*) chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && alpPixBuf) ?
(const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
int16_t *vLumFilter = c->vLumFilter;
int16_t *vChrFilter = c->vChrFilter;

if (isPlanarYUV(dstFormat) ||
(isGray(dstFormat) && !isALPHA(dstFormat))) { // YV12 like
const int chrSkipMask = (1 << c->chrDstVSubSample) - 1;

vLumFilter += dstY * vLumFilterSize;
vChrFilter += chrDstY * vChrFilterSize;

// av_assert0(use_mmx_vfilter != (
// yuv2planeX == yuv2planeX_10BE_c
// || yuv2planeX == yuv2planeX_10LE_c
// || yuv2planeX == yuv2planeX_9BE_c
// || yuv2planeX == yuv2planeX_9LE_c
// || yuv2planeX == yuv2planeX_16BE_c
// || yuv2planeX == yuv2planeX_16LE_c
// || yuv2planeX == yuv2planeX_8_c) || !ARCH_X86);

if(use_mmx_vfilter){
vLumFilter= (int16_t *)c->lumMmxFilter;
vChrFilter= (int16_t *)c->chrMmxFilter;
}

if (vLumFilterSize == 1) {
yuv2plane1(lumSrcPtr[0], dest[0], dstW, c->lumDither8, 0);
} else {
yuv2planeX(vLumFilter, vLumFilterSize,
lumSrcPtr, dest[0],
dstW, c->lumDither8, 0);
}

if (!((dstY & chrSkipMask) || isGray(dstFormat))) {
if (yuv2nv12cX) {
yuv2nv12cX(c, vChrFilter,
vChrFilterSize, chrUSrcPtr, chrVSrcPtr,
dest[1], chrDstW);
} else if (vChrFilterSize == 1) {
yuv2plane1(chrUSrcPtr[0], dest[1], chrDstW, c->chrDither8, 0);
yuv2plane1(chrVSrcPtr[0], dest[2], chrDstW, c->chrDither8, 3);
} else {
yuv2planeX(vChrFilter,
vChrFilterSize, chrUSrcPtr, dest[1],
chrDstW, c->chrDither8, 0);
yuv2planeX(vChrFilter,
vChrFilterSize, chrVSrcPtr, dest[2],
chrDstW, c->chrDither8, use_mmx_vfilter ? (c->uv_offx2 >> 1) : 3);
}
}

if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
if(use_mmx_vfilter){
vLumFilter= (int16_t *)c->alpMmxFilter;
}
if (vLumFilterSize == 1) {
yuv2plane1(alpSrcPtr[0], dest[3], dstW,
c->lumDither8, 0);
} else {
yuv2planeX(vLumFilter,
vLumFilterSize, alpSrcPtr, dest[3],
dstW, c->lumDither8, 0);
}
}
} else if (yuv2packedX) {
av_assert1(lumSrcPtr + vLumFilterSize - 1 < (const int16_t **)lumPixBuf + vLumBufSize * 2);
av_assert1(chrUSrcPtr + vChrFilterSize - 1 < (const int16_t **)chrUPixBuf + vChrBufSize * 2);
if (c->yuv2packed1 && vLumFilterSize == 1 &&
vChrFilterSize <= 2) { // unscaled RGB
int chrAlpha = vChrFilterSize == 1 ? 0 : vChrFilter[2 * dstY + 1];
yuv2packed1(c, *lumSrcPtr, chrUSrcPtr, chrVSrcPtr,
alpPixBuf ? *alpSrcPtr : NULL,
dest[0], dstW, chrAlpha, dstY);
} else if (c->yuv2packed2 && vLumFilterSize == 2 &&
vChrFilterSize == 2) { // bilinear upscale RGB
int lumAlpha = vLumFilter[2 * dstY + 1];
int chrAlpha = vChrFilter[2 * dstY + 1];
lumMmxFilter[2] =
lumMmxFilter[3] = vLumFilter[2 * dstY] * 0x10001;
chrMmxFilter[2] =
chrMmxFilter[3] = vChrFilter[2 * chrDstY] * 0x10001;
yuv2packed2(c, lumSrcPtr, chrUSrcPtr, chrVSrcPtr,
alpPixBuf ? alpSrcPtr : NULL,
dest[0], dstW, lumAlpha, chrAlpha, dstY);
} else { // general RGB
yuv2packedX(c, vLumFilter + dstY * vLumFilterSize,
lumSrcPtr, vLumFilterSize,
vChrFilter + dstY * vChrFilterSize,
chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
alpSrcPtr, dest[0], dstW, dstY);
}
} else {
av_assert1(!yuv2packed1 && !yuv2packed2);
yuv2anyX(c, vLumFilter + dstY * vLumFilterSize,
lumSrcPtr, vLumFilterSize,
vChrFilter + dstY * vChrFilterSize,
chrUSrcPtr, chrVSrcPtr, vChrFilterSize,
alpSrcPtr, dest, dstW, dstY);
}
if (perform_gamma)
gamma_convert(dest, dstW, c->gamma);
#endif
}
}
if (isPlanar(dstFormat) && isALPHA(dstFormat) && !alpPixBuf) {
if (isPlanar(dstFormat) && isALPHA(dstFormat) && !needAlpha) {
int length = dstW;
int height = dstY - lastDstY;



+ 1
- 9
libswscale/swscale_internal.h View File

@@ -350,12 +350,6 @@ typedef struct SwsContext {
* vertical scaler is called.
*/
//@{
int16_t **lumPixBuf; ///< Ring buffer for scaled horizontal luma plane lines to be fed to the vertical scaler.
int16_t **chrUPixBuf; ///< Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
int16_t **chrVPixBuf; ///< Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
int16_t **alpPixBuf; ///< Ring buffer for scaled horizontal alpha plane lines to be fed to the vertical scaler.
int vLumBufSize; ///< Number of vertical luma/alpha lines allocated in the ring buffer.
int vChrBufSize; ///< Number of vertical chroma lines allocated in the ring buffer.
int lastInLumBuf; ///< Last scaled horizontal luma/alpha line from source in the ring buffer.
int lastInChrBuf; ///< Last scaled horizontal chroma line from source in the ring buffer.
int lumBufIndex; ///< Index in ring buffer of the last scaled horizontal luma/alpha line from source.
@@ -363,6 +357,7 @@ typedef struct SwsContext {
//@}

uint8_t *formatConvBuffer;
int needAlpha;

/**
* @name Horizontal and vertical filters.
@@ -1038,7 +1033,4 @@ void ff_init_vscale_pfn(SwsContext *c, yuv2planar1_fn yuv2plane1, yuv2planarX_fn
//number of extra lines to process
#define MAX_LINES_AHEAD 4

// enable use of refactored scaler code
#define NEW_FILTER

#endif /* SWSCALE_SWSCALE_INTERNAL_H */

+ 2
- 76
libswscale/utils.c View File

@@ -1696,69 +1696,14 @@ av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
#endif
}

// calculate buffer sizes so that they won't run out while handling these damn slices
c->vLumBufSize = c->vLumFilterSize;
c->vChrBufSize = c->vChrFilterSize;
for (i = 0; i < dstH; i++) {
int chrI = (int64_t)i * c->chrDstH / dstH;
int nextSlice = FFMAX(c->vLumFilterPos[i] + c->vLumFilterSize - 1,
((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)
<< c->chrSrcVSubSample));

nextSlice >>= c->chrSrcVSubSample;
nextSlice <<= c->chrSrcVSubSample;
if (c->vLumFilterPos[i] + c->vLumBufSize < nextSlice)
c->vLumBufSize = nextSlice - c->vLumFilterPos[i];
if (c->vChrFilterPos[chrI] + c->vChrBufSize <
(nextSlice >> c->chrSrcVSubSample))
c->vChrBufSize = (nextSlice >> c->chrSrcVSubSample) -
c->vChrFilterPos[chrI];
}

for (i = 0; i < 4; i++)
FF_ALLOCZ_OR_GOTO(c, c->dither_error[i], (c->dstW+2) * sizeof(int), fail);

/* Allocate pixbufs (we use dynamic allocation because otherwise we would
* need to allocate several megabytes to handle all possible cases) */
FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf, c->vLumBufSize * 3 * sizeof(int16_t *), fail);
FF_ALLOCZ_OR_GOTO(c, c->chrUPixBuf, c->vChrBufSize * 3 * sizeof(int16_t *), fail);
FF_ALLOCZ_OR_GOTO(c, c->chrVPixBuf, c->vChrBufSize * 3 * sizeof(int16_t *), fail);
if (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat))
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf, c->vLumBufSize * 3 * sizeof(int16_t *), fail);
/* Note we need at least one pixel more at the end because of the MMX code
* (just in case someone wants to replace the 4000/8000). */
/* align at 16 bytes for AltiVec */
for (i = 0; i < c->vLumBufSize; i++) {
FF_ALLOCZ_OR_GOTO(c, c->lumPixBuf[i + c->vLumBufSize],
dst_stride + 16, fail);
c->lumPixBuf[i] = c->lumPixBuf[i + c->vLumBufSize];
}
c->needAlpha = (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) ? 1 : 0;

// 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate)
c->uv_off = (dst_stride>>1) + 64 / (c->dstBpc &~ 7);
c->uv_offx2 = dst_stride + 16;
for (i = 0; i < c->vChrBufSize; i++) {
FF_ALLOC_OR_GOTO(c, c->chrUPixBuf[i + c->vChrBufSize],
dst_stride * 2 + 32, fail);
c->chrUPixBuf[i] = c->chrUPixBuf[i + c->vChrBufSize];
c->chrVPixBuf[i] = c->chrVPixBuf[i + c->vChrBufSize]
= c->chrUPixBuf[i] + (dst_stride >> 1) + 8;
}
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
for (i = 0; i < c->vLumBufSize; i++) {
FF_ALLOCZ_OR_GOTO(c, c->alpPixBuf[i + c->vLumBufSize],
dst_stride + 16, fail);
c->alpPixBuf[i] = c->alpPixBuf[i + c->vLumBufSize];
}

// try to avoid drawing green stuff between the right end and the stride end
for (i = 0; i < c->vChrBufSize; i++)
if(desc_dst->comp[0].depth == 16){
av_assert0(c->dstBpc > 14);
for(j=0; j<dst_stride/2+1; j++)
((int32_t*)(c->chrUPixBuf[i]))[j] = 1<<18;
} else
for(j=0; j<dst_stride+1; j++)
((int16_t*)(c->chrUPixBuf[i]))[j] = 1<<14;

av_assert0(c->chrDstH <= dstH);

@@ -2325,25 +2270,6 @@ void sws_freeContext(SwsContext *c)
if (!c)
return;

if (c->lumPixBuf) {
for (i = 0; i < c->vLumBufSize; i++)
av_freep(&c->lumPixBuf[i]);
av_freep(&c->lumPixBuf);
}

if (c->chrUPixBuf) {
for (i = 0; i < c->vChrBufSize; i++)
av_freep(&c->chrUPixBuf[i]);
av_freep(&c->chrUPixBuf);
av_freep(&c->chrVPixBuf);
}

if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
for (i = 0; i < c->vLumBufSize; i++)
av_freep(&c->alpPixBuf[i]);
av_freep(&c->alpPixBuf);
}

for (i = 0; i < 4; i++)
av_freep(&c->dither_error[i]);



+ 2
- 2
libswscale/vscale.c View File

@@ -218,7 +218,7 @@ int ff_init_vscale(SwsContext *c, SwsFilterDescriptor *desc, SwsSlice *src, SwsS
desc[0].instance = lumCtx;
desc[0].src = src;
desc[0].dst = dst;
desc[0].alpha = c->alpPixBuf != 0;
desc[0].alpha = c->needAlpha;

if (!isGray(c->dstFormat)) {
chrCtx = av_mallocz(sizeof(VScalerContext));
@@ -239,7 +239,7 @@ int ff_init_vscale(SwsContext *c, SwsFilterDescriptor *desc, SwsSlice *src, SwsS
desc[0].instance = lumCtx;
desc[0].src = src;
desc[0].dst = dst;
desc[0].alpha = c->alpPixBuf != 0;
desc[0].alpha = c->needAlpha;
}

ff_init_vscale_pfn(c, c->yuv2plane1, c->yuv2planeX, c->yuv2nv12cX,


+ 8
- 30
libswscale/x86/swscale.c View File

@@ -85,18 +85,12 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
{
const int dstH= c->dstH;
const int flags= c->flags;
#ifdef NEW_FILTER
SwsPlane *lumPlane = &c->slice[c->numSlice-2].plane[0];
SwsPlane *chrUPlane = &c->slice[c->numSlice-2].plane[1];
SwsPlane *alpPlane = &c->slice[c->numSlice-2].plane[3];
#else
int16_t **lumPixBuf= c->lumPixBuf;
int16_t **chrUPixBuf= c->chrUPixBuf;
int16_t **alpPixBuf= c->alpPixBuf;
const int vLumBufSize= c->vLumBufSize;
const int vChrBufSize= c->vChrBufSize;
#endif
int hasAlpha = c->alpPixBuf != NULL;

int hasAlpha = c->needAlpha;
int32_t *vLumFilterPos= c->vLumFilterPos;
int32_t *vChrFilterPos= c->vChrFilterPos;
int16_t *vLumFilter= c->vLumFilter;
@@ -117,22 +111,14 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
c->greenDither= ff_dither4[dstY&1];
c->redDither= ff_dither8[(dstY+1)&1];
if (dstY < dstH - 2) {
#ifdef NEW_FILTER
const int16_t **lumSrcPtr = (const int16_t **)(void*) lumPlane->line + firstLumSrcY - lumPlane->sliceY;
const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPlane->line + firstChrSrcY - chrUPlane->sliceY;
const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;
#else
const int16_t **lumSrcPtr= (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrUSrcPtr= (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
#endif
const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && hasAlpha) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;

int i;
if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
#ifdef NEW_FILTER
const int16_t **tmpY = (const int16_t **) lumPlane->tmp;
#else
const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
#endif

int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
for (i = 0; i < neg; i++)
tmpY[i] = lumSrcPtr[neg];
@@ -143,11 +129,7 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
lumSrcPtr = tmpY;

if (alpSrcPtr) {
#ifdef NEW_FILTER
const int16_t **tmpA = (const int16_t **) alpPlane->tmp;
#else
const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
#endif
for (i = 0; i < neg; i++)
tmpA[i] = alpSrcPtr[neg];
for ( ; i < end; i++)
@@ -158,11 +140,7 @@ void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrB
}
}
if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
#ifdef NEW_FILTER
const int16_t **tmpU = (const int16_t **) chrUPlane->tmp;
#else
const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;
#endif
int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
for (i = 0; i < neg; i++) {
tmpU[i] = chrUSrcPtr[neg];
@@ -479,7 +457,7 @@ switch(c->dstBpc){ \
switch (c->srcFormat) {
case AV_PIX_FMT_YA8:
c->lumToYV12 = ff_yuyvToY_mmx;
if (c->alpPixBuf)
if (c->needAlpha)
c->alpToYV12 = ff_uyvyToY_mmx;
break;
case AV_PIX_FMT_YUYV422:
@@ -528,7 +506,7 @@ switch(c->dstBpc){ \
switch (c->srcFormat) {
case AV_PIX_FMT_YA8:
c->lumToYV12 = ff_yuyvToY_sse2;
if (c->alpPixBuf)
if (c->needAlpha)
c->alpToYV12 = ff_uyvyToY_sse2;
break;
case AV_PIX_FMT_YUYV422:


+ 6
- 6
libswscale/x86/swscale_template.c View File

@@ -348,7 +348,7 @@ static void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter,
x86_reg dstW_reg = dstW;
x86_reg uv_off = c->uv_offx2;

if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
YSCALEYUV2PACKEDX_ACCURATE
YSCALEYUV2RGBX
"movq %%mm2, "U_TEMP"(%0) \n\t"
@@ -381,7 +381,7 @@ static void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,
x86_reg dstW_reg = dstW;
x86_reg uv_off = c->uv_offx2;

if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
YSCALEYUV2PACKEDX
YSCALEYUV2RGBX
YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
@@ -410,7 +410,7 @@ static void RENAME(yuv2bgr32_X)(SwsContext *c, const int16_t *lumFilter,
x86_reg dstW_reg = dstW;
x86_reg uv_off = c->uv_offx2;

if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
YSCALEYUV2PACKEDX
YSCALEYUV2RGBX
YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
@@ -889,7 +889,7 @@ static void RENAME(yuv2rgb32_2)(SwsContext *c, const int16_t *buf[2],
const int16_t *buf0 = buf[0], *buf1 = buf[1],
*ubuf0 = ubuf[0], *ubuf1 = ubuf[1];

if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
const int16_t *abuf0 = abuf[0], *abuf1 = abuf[1];
#if ARCH_X86_64
__asm__ volatile(
@@ -1215,7 +1215,7 @@ static void RENAME(yuv2rgb32_1)(SwsContext *c, const int16_t *buf0,

if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
const int16_t *ubuf1 = ubuf[0];
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
__asm__ volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"
@@ -1244,7 +1244,7 @@ static void RENAME(yuv2rgb32_1)(SwsContext *c, const int16_t *buf0,
}
} else {
const int16_t *ubuf1 = ubuf[1];
if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
__asm__ volatile(
"mov %%"REG_b", "ESP_OFFSET"(%5) \n\t"
"mov %4, %%"REG_b" \n\t"


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