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fixed #227, added support I420 format

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This commit is contained in:
Alexander Shishkov 2012-04-04 16:06:07 +00:00
parent 5c0c81076b
commit e04cd1b0cf
1 changed files with 18 additions and 9 deletions
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27
modules/highgui/src/cap_dshow.cpp
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@ -207,6 +207,7 @@ DEFINE_GUID(MEDIASUBTYPE_RGB24,0xe436eb7d,0x524f,0x11ce,0x9f,0x53,0x00,0x20,0xaf
DEFINE_GUID(MEDIASUBTYPE_RGB32,0xe436eb7e,0x524f,0x11ce,0x9f,0x53,0x00,0x20,0xaf,0x0b,0xa7,0x70);
DEFINE_GUID(MEDIASUBTYPE_RGB555,0xe436eb7c,0x524f,0x11ce,0x9f,0x53,0x00,0x20,0xaf,0x0b,0xa7,0x70);
DEFINE_GUID(MEDIASUBTYPE_RGB565,0xe436eb7b,0x524f,0x11ce,0x9f,0x53,0x00,0x20,0xaf,0x0b,0xa7,0x70);
DEFINE_GUID(MEDIASUBTYPE_I420,0x49343230,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(MEDIASUBTYPE_UYVY,0x59565955,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(MEDIASUBTYPE_Y211,0x31313259,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
DEFINE_GUID(MEDIASUBTYPE_Y411,0x31313459,0x0000,0x0010,0x80,0x00,0x00,0xaa,0x00,0x38,0x9b,0x71);
@ -339,7 +340,7 @@ static bool verbose = true;
//videoInput defines
#define VI_VERSION 0.1995
#define VI_MAX_CAMERAS 20
#define VI_NUM_TYPES 19 //MGB
#define VI_NUM_TYPES 20 //MGB
#define VI_NUM_FORMATS 18 //DON'T TOUCH
//defines for setPhyCon - tuner is not as well supported as composite and s-video
@ -1066,6 +1067,7 @@ videoInput::videoInput(){
mediaSubtypes[16] = MEDIASUBTYPE_Y800;
mediaSubtypes[17] = MEDIASUBTYPE_Y8;
mediaSubtypes[18] = MEDIASUBTYPE_GREY;
mediaSubtypes[19] = MEDIASUBTYPE_I420;
//The video formats we support
formatTypes[VI_NTSC_M] = AnalogVideo_NTSC_M;
@ -2171,6 +2173,7 @@ void videoInput::getMediaSubtypeAsString(GUID type, char * typeAsString){
else if(type == MEDIASUBTYPE_Y800) sprintf(tmpStr, "Y800");
else if(type == MEDIASUBTYPE_Y8) sprintf(tmpStr, "Y8");
else if(type == MEDIASUBTYPE_GREY) sprintf(tmpStr, "GREY");
else if(type == MEDIASUBTYPE_I420) sprintf(tmpStr, "I420");
else sprintf(tmpStr, "OTHER");
memcpy(typeAsString, tmpStr, sizeof(char)*8);
@ -3279,8 +3282,7 @@ bool CvCaptureCAM_DShow::setProperty( int property_id, double value )
{
// image capture properties
bool handled = false;
switch( property_id )
switch( property_id )
{
case CV_CAP_PROP_FRAME_WIDTH:
width = cvRound(value);
@ -3302,8 +3304,13 @@ bool CvCaptureCAM_DShow::setProperty( int property_id, double value )
break;
case CV_CAP_PROP_FPS:
VI.setIdealFramerate(index,cvRound(value));
handled = true;
int fps = cvRound(value);
if (fps != VI.getFPS(0))
{
VI.stopDevice(index);
VI.setIdealFramerate(index,fps);
VI.setupDevice(index);
}
break;
}
@ -3311,16 +3318,18 @@ bool CvCaptureCAM_DShow::setProperty( int property_id, double value )
if ( handled ) {
// a stream setting
if( width > 0 && height > 0 )
{
if( width != VI.getWidth(index) || height != VI.getHeight(index) )//|| fourcc != VI.getFourcc(index) )
{
if( width != VI.getWidth(index) || height != VI.getHeight(index) ) //|| fourcc != VI.getFourcc(index) )
{
int fps = VI.getFPS(index);
VI.stopDevice(index);
VI.setupDeviceFourcc(index, width, height,fourcc);
VI.setIdealFramerate(index,fps);
VI.setupDeviceFourcc(index, width, height, fourcc);
}
width = height = fourcc = -1;
return VI.isDeviceSetup(index);
}
return true;
return true;
}
// show video/camera filter dialog