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Code Issues Releases Activity

sws: remove hScale16NX_c()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-08-14 19:19:45 +02:00
parent 66bb5cd592
commit d9c9a0c767
1 changed files with 17 additions and 29 deletions
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46
libswscale/swscale.c
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@@ -2092,20 +2092,6 @@ static void hScale8To15_c(SwsContext *c, int16_t *dst, int dstW, const uint8_t *
} }
} }
static inline void hScale16NX_c(int16_t *dst, int dstW, const uint16_t *src, int srcW, int xInc,
const int16_t *filter, const int16_t *filterPos, long filterSize, int shift)
{
int i, j;
for (i=0; i<dstW; i++) {
int srcPos= filterPos[i];
int val=0;
for (j=0; j<filterSize; j++) {
val += ((int)av_bswap16(src[srcPos + j]))*filter[filterSize*i + j];
}
dst[i] = FFMIN(val>>shift, (1<<15)-1); // the cubic equation does overflow ...
}
}
static void hScale8To19_c(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *src, static void hScale8To19_c(SwsContext *c, int16_t *_dst, int dstW, const uint8_t *src,
const int16_t *filter, const int16_t *filterPos, const int16_t *filter, const int16_t *filterPos,
int filterSize) int filterSize)
@@ -2812,21 +2798,21 @@ static av_cold void sws_init_swScale_c(SwsContext *c)
case PIX_FMT_PAL8 : case PIX_FMT_PAL8 :
case PIX_FMT_BGR4_BYTE: case PIX_FMT_BGR4_BYTE:
case PIX_FMT_RGB4_BYTE: c->chrToYV12 = palToUV_c; break; case PIX_FMT_RGB4_BYTE: c->chrToYV12 = palToUV_c; break;
case PIX_FMT_YUV444P9BE: #if HAVE_BIGENDIAN
case PIX_FMT_YUV420P9BE:
case PIX_FMT_YUV444P10BE:
case PIX_FMT_YUV422P10BE:
case PIX_FMT_YUV420P10BE: c->hScale16= HAVE_BIGENDIAN ? NULL : hScale16NX_c; break;
case PIX_FMT_YUV444P9LE: case PIX_FMT_YUV444P9LE:
case PIX_FMT_YUV420P9LE: case PIX_FMT_YUV420P9LE:
case PIX_FMT_YUV422P10LE: case PIX_FMT_YUV422P10LE:
case PIX_FMT_YUV420P10LE: case PIX_FMT_YUV420P10LE:
case PIX_FMT_YUV444P10LE: c->hScale16= HAVE_BIGENDIAN ? hScale16NX_c : NULL; break; case PIX_FMT_YUV444P10LE:
#if HAVE_BIGENDIAN
case PIX_FMT_YUV420P16LE: case PIX_FMT_YUV420P16LE:
case PIX_FMT_YUV422P16LE: case PIX_FMT_YUV422P16LE:
case PIX_FMT_YUV444P16LE: c->chrToYV12 = bswap16UV_c; break; case PIX_FMT_YUV444P16LE: c->chrToYV12 = bswap16UV_c; break;
#else #else
case PIX_FMT_YUV444P9BE:
case PIX_FMT_YUV420P9BE:
case PIX_FMT_YUV444P10BE:
case PIX_FMT_YUV422P10BE:
case PIX_FMT_YUV420P10BE:
case PIX_FMT_YUV420P16BE: case PIX_FMT_YUV420P16BE:
case PIX_FMT_YUV422P16BE: case PIX_FMT_YUV422P16BE:
case PIX_FMT_YUV444P16BE: c->chrToYV12 = bswap16UV_c; break; case PIX_FMT_YUV444P16BE: c->chrToYV12 = bswap16UV_c; break;
@@ -2880,11 +2866,21 @@ static av_cold void sws_init_swScale_c(SwsContext *c)
c->alpToYV12 = NULL; c->alpToYV12 = NULL;
switch (srcFormat) { switch (srcFormat) {
#if HAVE_BIGENDIAN #if HAVE_BIGENDIAN
case PIX_FMT_YUV444P9LE:
case PIX_FMT_YUV420P9LE:
case PIX_FMT_YUV422P10LE:
case PIX_FMT_YUV420P10LE:
case PIX_FMT_YUV444P10LE:
case PIX_FMT_YUV420P16LE: case PIX_FMT_YUV420P16LE:
case PIX_FMT_YUV422P16LE: case PIX_FMT_YUV422P16LE:
case PIX_FMT_YUV444P16LE: case PIX_FMT_YUV444P16LE:
case PIX_FMT_GRAY16LE: c->lumToYV12 = bswap16Y_c; break; case PIX_FMT_GRAY16LE: c->lumToYV12 = bswap16Y_c; break;
#else #else
case PIX_FMT_YUV444P9BE:
case PIX_FMT_YUV420P9BE:
case PIX_FMT_YUV444P10BE:
case PIX_FMT_YUV422P10BE:
case PIX_FMT_YUV420P10BE:
case PIX_FMT_YUV420P16BE: case PIX_FMT_YUV420P16BE:
case PIX_FMT_YUV422P16BE: case PIX_FMT_YUV422P16BE:
case PIX_FMT_YUV444P16BE: case PIX_FMT_YUV444P16BE:
@@ -2940,16 +2936,8 @@ static av_cold void sws_init_swScale_c(SwsContext *c)
} }
} else { } else {
c->hScale = hScale8To19_c; c->hScale = hScale8To19_c;
av_assert0(c->hScale16 != hScale16NX_c);
} }
} else { } else {
if(c->dstBpc > 10){
if(c->hScale16 == hScale16NX_c && !isAnyRGB(c->srcFormat)){
c->chrToYV12 = bswap16UV_c;
c->lumToYV12 = bswap16Y_c;
}
c->hScale16 = NULL;
}
c->hScale = c->dstBpc > 10 ? hScale16To19_c : hScale16To15_c; c->hScale = c->dstBpc > 10 ? hScale16To19_c : hScale16To15_c;
} }