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| author | Michael Niedermayer <michaelni@gmx.at> | 2011-05-10 00:06:36 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-05-10 00:09:10 +0200 |
| commit | eb8aa13b54269f6a7c0a972b95b352f30603c194 (patch) | |
| tree | b52816ca317a226176566c0c2e8196fba2a0c86c /libswscale | |
| parent | 9c49ca0f19a99375dfa4fbe7cce4732667cf9ba0 (diff) | |
swscale: make DITHER_COPY() support non native endian source
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/swscale.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/libswscale/swscale.c b/libswscale/swscale.c index d7920bfd5a..085670be15 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -1857,22 +1857,22 @@ static int packedCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ return srcSliceH; } -#define DITHER_COPY(dst, dstStride, src, srcStride)\ +#define DITHER_COPY(dst, dstStride, src, srcStride, bswap)\ for (i = 0; i < height; i++) {\ int shift= src_depth-dst_depth;\ uint8_t *dither= dithers[src_depth-9][i&7];\ for (j = 0; j < length-7; j+=8){\ - dst[j+0] = (src[j+0] + dither[0])>>shift;\ - dst[j+1] = (src[j+1] + dither[1])>>shift;\ - dst[j+2] = (src[j+2] + dither[2])>>shift;\ - dst[j+3] = (src[j+3] + dither[3])>>shift;\ - dst[j+4] = (src[j+4] + dither[4])>>shift;\ - dst[j+5] = (src[j+5] + dither[5])>>shift;\ - dst[j+6] = (src[j+6] + dither[6])>>shift;\ - dst[j+7] = (src[j+7] + dither[7])>>shift;\ + dst[j+0] = (bswap(src[j+0]) + dither[0])>>shift;\ + dst[j+1] = (bswap(src[j+1]) + dither[1])>>shift;\ + dst[j+2] = (bswap(src[j+2]) + dither[2])>>shift;\ + dst[j+3] = (bswap(src[j+3]) + dither[3])>>shift;\ + dst[j+4] = (bswap(src[j+4]) + dither[4])>>shift;\ + dst[j+5] = (bswap(src[j+5]) + dither[5])>>shift;\ + dst[j+6] = (bswap(src[j+6]) + dither[6])>>shift;\ + dst[j+7] = (bswap(src[j+7]) + dither[7])>>shift;\ }\ for (; j < length; j++)\ - dst[j] = (src[j] + dither[j&7])>>shift;\ + dst[j] = (bswap(src[j]) + dither[j&7])>>shift;\ dst += dstStride;\ src += srcStride;\ } @@ -1904,7 +1904,7 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ uint16_t *dstPtr2 = (uint16_t*)dstPtr; if (dst_depth == 8) { - DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2) + DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, ) } else if (src_depth == 8) { for (i = 0; i < height; i++) { for (j = 0; j < length; j++) @@ -1928,7 +1928,8 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[ srcPtr2 += srcStride[plane]/2; } } else { - DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2) + //FIXME non native endian + DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, ) } } else if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) { //FIXME add dither |