generic-library/opencv
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cvtColor: dst channels number default is set to 4 for RGBA/BGRA cases; added new codes for yuv420 to RGBA/BGRA.

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This commit is contained in:
Andrey Pavlenko 2011-09-06 08:35:31 +00:00
parent 84022779a1
commit f2da701723
3 changed files with 20 additions and 9 deletions
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5
modules/imgproc/include/opencv2/imgproc/imgproc.hpp
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@ -905,6 +905,11 @@ enum
COLOR_YUV420sp2RGB = 92,
COLOR_YUV420sp2BGR = 93,
COLOR_YUV420i2RGBA = 94,
COLOR_YUV420i2BGRA = 95,
COLOR_YUV420sp2RGBA = 96,
COLOR_YUV420sp2BGRA = 97,
COLOR_COLORCVT_MAX =100
};

5
modules/imgproc/include/opencv2/imgproc/types_c.h
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@ -230,6 +230,11 @@ enum
CV_YUV420i2BGR = 91,
CV_YUV420sp2RGB = 92,
CV_YUV420sp2BGR = 93,
CV_YUV420i2RGBA = 94,
CV_YUV420i2BGRA = 95,
CV_YUV420sp2RGBA = 96,
CV_YUV420sp2BGRA = 97,
CV_COLORCVT_MAX =100
};

19
modules/imgproc/src/color.cpp
View File

@ -2817,7 +2817,7 @@ void cv::cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
case CV_BGR5652BGR: case CV_BGR5552BGR: case CV_BGR5652RGB: case CV_BGR5552RGB:
case CV_BGR5652BGRA: case CV_BGR5552BGRA: case CV_BGR5652RGBA: case CV_BGR5552RGBA:
if(dcn <= 0) dcn = 3;
if(dcn <= 0) dcn = (code==CV_BGR5652BGRA || code==CV_BGR5552BGRA || code==CV_BGR5652RGBA || code==CV_BGR5552RGBA) ? 4 : 3;
CV_Assert( (dcn == 3 || dcn == 4) && scn == 2 && depth == CV_8U );
_dst.create(sz, CV_MAKETYPE(depth, dcn));
dst = _dst.getMat();
@ -2854,7 +2854,7 @@ void cv::cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
break;
case CV_GRAY2BGR: case CV_GRAY2BGRA:
if( dcn <= 0 ) dcn = 3;
if( dcn <= 0 ) dcn = (code==CV_GRAY2BGRA) ? 4 : 3;
CV_Assert( scn == 1 && (dcn == 3 || dcn == 4));
_dst.create(sz, CV_MAKETYPE(depth, dcn));
dst = _dst.getMat();
@ -3112,9 +3112,10 @@ void cv::cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
Bayer2RGB_VNG_8u(src, dst, code);
}
break;
case CV_YUV420sp2BGR: case CV_YUV420sp2RGB: case CV_YUV420i2BGR: case CV_YUV420i2RGB:
case CV_YUV420sp2BGR: case CV_YUV420sp2RGB: case CV_YUV420i2BGR: case CV_YUV420i2RGB:
case CV_YUV420sp2BGRA: case CV_YUV420sp2RGBA: case CV_YUV420i2BGRA: case CV_YUV420i2RGBA:
{
if(dcn <= 0) dcn = 3;
if(dcn <= 0) dcn = (code==CV_YUV420sp2BGRA || code==CV_YUV420sp2RGBA || code==CV_YUV420i2BGRA || code==CV_YUV420i2RGBA) ? 4 : 3;
CV_Assert( dcn == 3 || dcn == 4 );
CV_Assert( sz.width % 2 == 0 && sz.height % 3 == 0 && depth == CV_8U && src.isContinuous() );
@ -3126,31 +3127,31 @@ void cv::cvtColor( InputArray _src, OutputArray _dst, int code, int dcn )
const uchar* uv = y + dstSz.area();
#ifdef HAVE_TEGRA_OPTIMIZATION
if (!tegra::YUV420i2BGR(y, uv, dst, CV_YUV420sp2RGB == code))
if (!tegra::YUV420i2BGR(y, uv, dst, CV_YUV420sp2RGB == code || CV_YUV420sp2RGBA == code))
#endif
{
if (CV_YUV420sp2RGB == code)
if (CV_YUV420sp2RGB == code || CV_YUV420sp2RGBA == code)
{
if (dcn == 3)
parallel_for(BlockedRange(0, dstSz.height, 2), YUV4202BGR888Invoker<2,0>(dst, dstSz.width, y, uv));
else
parallel_for(BlockedRange(0, dstSz.height, 2), YUV4202BGRA8888Invoker<2,0>(dst, dstSz.width, y, uv));
}
else if (CV_YUV420sp2BGR == code)
else if (CV_YUV420sp2BGR == code || CV_YUV420sp2BGRA == code)
{
if (dcn == 3)
parallel_for(BlockedRange(0, dstSz.height, 2), YUV4202BGR888Invoker<0,0>(dst, dstSz.width, y, uv));
else
parallel_for(BlockedRange(0, dstSz.height, 2), YUV4202BGRA8888Invoker<0,0>(dst, dstSz.width, y, uv));
}
else if (CV_YUV420i2RGB == code)
else if (CV_YUV420i2RGB == code || CV_YUV420i2RGBA == code)
{
if (dcn == 3)
parallel_for(BlockedRange(0, dstSz.height, 2), YUV4202BGR888Invoker<2,1>(dst, dstSz.width, y, uv));
else
parallel_for(BlockedRange(0, dstSz.height, 2), YUV4202BGRA8888Invoker<2,1>(dst, dstSz.width, y, uv));
}
else if (CV_YUV420i2BGR == code)
else if (CV_YUV420i2BGR == code || CV_YUV420i2BGRA == code)
{
if (dcn == 3)
parallel_for(BlockedRange(0, dstSz.height, 2), YUV4202BGR888Invoker<0,1>(dst, dstSz.width, y, uv));