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Fix bug #6682 (Can't change resolution for YUY2 camera with DShow)

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This commit is contained in:
Michael Shtutman 2016-07-01 22:00:15 +03:00
parent 7fea7e0629
commit 3f2ab5d3b5
1 changed files with 8 additions and 6 deletions
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14
modules/videoio/src/cap_dshow.cpp
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@ -2447,13 +2447,15 @@ static bool setSizeAndSubtype(videoDevice * VD, int attemptWidth, int attemptHei
VD->pAmMediaType->subtype = mediatype;
//buffer size
if (mediatype == MEDIASUBTYPE_RGB24)
{
VD->pAmMediaType->lSampleSize = attemptWidth*attemptHeight*3;
if (mediatype == MEDIASUBTYPE_RGB24){
VD->pAmMediaType->lSampleSize = attemptWidth*attemptHeight * 3;
}
else
{
// For compressed data, the value can be zero.
else if ((mediatype == MEDIASUBTYPE_YUY2) || (mediatype == MEDIASUBTYPE_YVYU) ||
(mediatype == MEDIASUBTYPE_UYVY)){
VD->pAmMediaType->lSampleSize = attemptWidth*attemptHeight * 2;
}
else{
VD->pAmMediaType->lSampleSize = 0;
}