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swscale: Support dither in is16BPS(c->srcFormat) && !is16BPS(c->dstFormat) 

This is done by just letting the Nbit code handle it, which now can do it.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-05-10 00:21:18 +02:00
parent c4f7050bb1
commit 42c9bd313f
1 changed files with 3 additions and 9 deletions
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12
libswscale/swscale.c
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@ -1897,7 +1897,9 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
length*=2;
fillPlane(dst[plane], dstStride[plane], length, height, y, (plane==3) ? 255 : 128);
} else {
if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)) {
if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
|| (is16BPS(c->srcFormat) && !is16BPS(c->dstFormat))
) {
const int src_depth = av_pix_fmt_descriptors[c->srcFormat].comp[plane].depth_minus1+1;
const int dst_depth = av_pix_fmt_descriptors[c->dstFormat].comp[plane].depth_minus1+1;
uint16_t *srcPtr2 = (uint16_t*)srcPtr;
@ -1938,14 +1940,6 @@ static int planarCopyWrapper(SwsContext *c, const uint8_t* src[], int srcStride[
DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16)
}
}
} else if(is16BPS(c->srcFormat) && !is16BPS(c->dstFormat)) {
//FIXME add dither
if (!isBE(c->srcFormat)) srcPtr++;
for (i=0; i<height; i++) {
for (j=0; j<length; j++) dstPtr[j] = srcPtr[j<<1];
srcPtr+= srcStride[plane];
dstPtr+= dstStride[plane];
}
} else if(!is16BPS(c->srcFormat) && is16BPS(c->dstFormat)) {
for (i=0; i<height; i++) {
for (j=0; j<length; j++) {