Chiebot-Mirror
/
opencv
mirror of https://github.com/opencv/opencv.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

Fixed setting of frame size properties for MSMF-based VideoCapture

Browse Source
pull/11702/head
Vitaly Tuzov 7 years ago
parent 7c3090ddcf
commit cb4b6bb2dc
1 changed files with 78 additions and 98 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 146
      modules/videoio/src/cap_msmf.cpp

146
modules/videoio/src/cap_msmf.cpp
Unescape View File

@ -720,6 +720,7 @@ protected:
MediaType nativeFormat;
MediaType captureFormat;
int outputFormat;
UINT32 requestedWidth, requestedHeight;
bool convertFormat;
UINT32 aspectN, aspectD;
MFTIME duration;
@ -741,12 +742,15 @@ CvCapture_MSMF::CvCapture_MSMF():
videoFileSource(NULL),
videoSample(NULL),
outputFormat(CV_CAP_MODE_BGR),
requestedWidth(0),
requestedHeight(0),
convertFormat(true),
aspectN(1),
aspectD(1),
sampleTime(0),
isOpen(false)
{
configureHW(true);
}
CvCapture_MSMF::CvCapture_MSMF(int index) : CvCapture_MSMF() { open(index); }
CvCapture_MSMF::CvCapture_MSMF(const cv::String& _filename) : CvCapture_MSMF() { open(_filename); }
@ -754,6 +758,7 @@ CvCapture_MSMF::CvCapture_MSMF(const cv::String& _filename) : CvCapture_MSMF() {
CvCapture_MSMF::~CvCapture_MSMF()
{
close();
configureHW(false);
}
void CvCapture_MSMF::close()
@ -823,6 +828,11 @@ bool CvCapture_MSMF::configureHW(bool enable)
#endif
}
#define UDIFF(res, ref) (ref == 0 ? 0 : res > ref ? res - ref : ref - res)
static UINT32 resolutionDiff(MediaType& mType, UINT32 refWidth, UINT32 refHeight)
{ return UDIFF(mType.width, refWidth) + UDIFF(mType.height, refHeight); }
#undef UDIFF
bool CvCapture_MSMF::configureOutput(UINT32 width, UINT32 height, double prefFramerate, UINT32 aspectRatioN, UINT32 aspectRatioD, int outFormat, bool convertToFormat)
{
if (width != 0 && height != 0 &&
@ -830,9 +840,10 @@ bool CvCapture_MSMF::configureOutput(UINT32 width, UINT32 height, double prefFra
aspectRatioN == aspectN && aspectRatioD == aspectD && outFormat == outputFormat && convertToFormat == convertFormat)
return true;
requestedWidth = width;
requestedHeight = height;
HRESULT hr = S_OK;
int dwStreamFallback = -1;
MediaType MTFallback;
int dwStreamBest = -1;
MediaType MTBest;
@ -852,32 +863,23 @@ bool CvCapture_MSMF::configureOutput(UINT32 width, UINT32 height, double prefFra
{
MediaType MT(pType.Get());
if (MT.MF_MT_MAJOR_TYPE == MFMediaType_Video)
{
if (dwStreamFallback < 0 ||
((MT.width * MT.height) > (MTFallback.width * MTFallback.height)) ||
(((MT.width * MT.height) == (MTFallback.width * MTFallback.height)) && getFramerate(MT) > getFramerate(MTFallback) && (prefFramerate == 0 || getFramerate(MT) <= prefFramerate)))
{
dwStreamFallback = (int)dwStreamTest;
MTFallback = MT;
}
if (MT.width == width && MT.height == height)
{
if (dwStreamBest < 0 ||
(getFramerate(MT) > getFramerate(MTBest) && (prefFramerate == 0 || getFramerate(MT) <= prefFramerate)))
resolutionDiff(MT, width, height) < resolutionDiff(MTBest, width, height) ||
(resolutionDiff(MT, width, height) == resolutionDiff(MTBest, width, height) && MT.width > MTBest.width) ||
(resolutionDiff(MT, width, height) == resolutionDiff(MTBest, width, height) && MT.width == MTBest.width && MT.height > MTBest.height) ||
(MT.width == MTBest.width && MT.height == MTBest.height && (getFramerate(MT) > getFramerate(MTBest) && (prefFramerate == 0 || getFramerate(MT) <= prefFramerate)))
)
{
dwStreamBest = (int)dwStreamTest;
MTBest = MT;
}
}
}
++dwMediaTypeTest;
}
}
if (dwStreamBest >= 0 || dwStreamFallback >= 0)
if (dwStreamBest >= 0)
{
// Retrieved stream media type
DWORD tryStream = (DWORD)(dwStreamBest >= 0 ? dwStreamBest : dwStreamFallback);
MediaType tryMT = dwStreamBest >= 0 ? MTBest : MTFallback;
GUID outSubtype = GUID_NULL;
UINT32 outStride = 0;
UINT32 outSize = 0;
@ -887,18 +889,18 @@ bool CvCapture_MSMF::configureOutput(UINT32 width, UINT32 height, double prefFra
case CV_CAP_MODE_BGR:
case CV_CAP_MODE_RGB:
outSubtype = captureMode == MODE_HW ? MFVideoFormat_RGB32 : MFVideoFormat_RGB24; // HW accelerated mode support only RGB32
outStride = (captureMode == MODE_HW ? 4 : 3) * tryMT.width;
outSize = outStride * tryMT.height;
outStride = (captureMode == MODE_HW ? 4 : 3) * MTBest.width;
outSize = outStride * MTBest.height;
break;
case CV_CAP_MODE_GRAY:
outSubtype = MFVideoFormat_NV12;
outStride = tryMT.width;
outSize = outStride * tryMT.height * 3 / 2;
outStride = MTBest.width;
outSize = outStride * MTBest.height * 3 / 2;
break;
case CV_CAP_MODE_YUYV:
outSubtype = MFVideoFormat_YUY2;
outStride = 2 * tryMT.width;
outSize = outStride * tryMT.height;
outStride = 2 * MTBest.width;
outSize = outStride * MTBest.height;
break;
default:
return false;
@ -907,21 +909,21 @@ bool CvCapture_MSMF::configureOutput(UINT32 width, UINT32 height, double prefFra
if (// Set the output media type.
SUCCEEDED(MFCreateMediaType(&mediaTypeOut)) &&
SUCCEEDED(mediaTypeOut->SetGUID(MF_MT_MAJOR_TYPE, MFMediaType_Video)) &&
SUCCEEDED(mediaTypeOut->SetGUID(MF_MT_SUBTYPE, convertToFormat ? outSubtype : tryMT.MF_MT_SUBTYPE)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_INTERLACE_MODE, convertToFormat ? MFVideoInterlace_Progressive : tryMT.MF_MT_INTERLACE_MODE)) &&
SUCCEEDED(mediaTypeOut->SetGUID(MF_MT_SUBTYPE, convertToFormat ? outSubtype : MTBest.MF_MT_SUBTYPE)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_INTERLACE_MODE, convertToFormat ? MFVideoInterlace_Progressive : MTBest.MF_MT_INTERLACE_MODE)) &&
SUCCEEDED(MFSetAttributeRatio(mediaTypeOut.Get(), MF_MT_PIXEL_ASPECT_RATIO, aspectRatioN, aspectRatioD)) &&
SUCCEEDED(MFSetAttributeSize(mediaTypeOut.Get(), MF_MT_FRAME_SIZE, tryMT.width, tryMT.height)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_FIXED_SIZE_SAMPLES, convertToFormat ? 1 : tryMT.MF_MT_FIXED_SIZE_SAMPLES)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_SAMPLE_SIZE, convertToFormat ? outSize : tryMT.MF_MT_SAMPLE_SIZE)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_DEFAULT_STRIDE, convertToFormat ? outStride : tryMT.MF_MT_DEFAULT_STRIDE)))//Assume BGR24 input
SUCCEEDED(MFSetAttributeSize(mediaTypeOut.Get(), MF_MT_FRAME_SIZE, MTBest.width, MTBest.height)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_FIXED_SIZE_SAMPLES, convertToFormat ? 1 : MTBest.MF_MT_FIXED_SIZE_SAMPLES)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_SAMPLE_SIZE, convertToFormat ? outSize : MTBest.MF_MT_SAMPLE_SIZE)) &&
SUCCEEDED(mediaTypeOut->SetUINT32(MF_MT_DEFAULT_STRIDE, convertToFormat ? outStride : MTBest.MF_MT_DEFAULT_STRIDE)))//Assume BGR24 input
{
if (SUCCEEDED(videoFileSource->SetStreamSelection((DWORD)MF_SOURCE_READER_ALL_STREAMS, false)) &&
SUCCEEDED(videoFileSource->SetStreamSelection(tryStream, true)) &&
SUCCEEDED(videoFileSource->SetCurrentMediaType(tryStream, NULL, mediaTypeOut.Get()))
SUCCEEDED(videoFileSource->SetStreamSelection((DWORD)dwStreamBest, true)) &&
SUCCEEDED(videoFileSource->SetCurrentMediaType((DWORD)dwStreamBest, NULL, mediaTypeOut.Get()))
)
{
dwStreamIndex = tryStream;
nativeFormat = tryMT;
dwStreamIndex = (DWORD)dwStreamBest;
nativeFormat = MTBest;
aspectN = aspectRatioN;
aspectD = aspectRatioD;
outputFormat = outFormat;
@ -976,7 +978,7 @@ bool CvCapture_MSMF::open(int _index)
{
isOpen = true;
duration = 0;
if (configureOutput(0, 0, 0, aspectN, aspectD, outputFormat, convertFormat))
if (configureOutput(640, 480, 0, aspectN, aspectD, outputFormat, convertFormat))
{
double fps = getFramerate(nativeFormat);
frameStep = (LONGLONG)(fps > 0 ? 1e7 / fps : 0);
@ -1208,19 +1210,19 @@ double CvCapture_MSMF::getProperty( int property_id ) const
IAMVideoProcAmp *pProcAmp = NULL;
IAMCameraControl *pProcControl = NULL;
// image format properties
if (property_id == CV_CAP_PROP_FORMAT)
if (isOpen)
switch (property_id)
{
case CV_CAP_PROP_FORMAT:
return outputFormat;
else if (property_id == CV_CAP_PROP_MODE)
case CV_CAP_PROP_MODE:
return captureMode;
else if (property_id == CV_CAP_PROP_CONVERT_RGB)
case CV_CAP_PROP_CONVERT_RGB:
return convertFormat ? 1 : 0;
else if (property_id == CV_CAP_PROP_SAR_NUM)
case CV_CAP_PROP_SAR_NUM:
return aspectN;
else if (property_id == CV_CAP_PROP_SAR_DEN)
case CV_CAP_PROP_SAR_DEN:
return aspectD;
else if (isOpen)
switch (property_id)
{
case CV_CAP_PROP_FRAME_WIDTH:
return captureFormat.width;
case CV_CAP_PROP_FRAME_HEIGHT:
@ -1510,16 +1512,10 @@ bool CvCapture_MSMF::setProperty( int property_id, double value )
IAMVideoProcAmp *pProcAmp = NULL;
IAMCameraControl *pProcControl = NULL;
// image capture properties
if (property_id == CV_CAP_PROP_FORMAT)
{
if (isOpen)
return configureOutput(captureFormat.width, captureFormat.height, getFramerate(nativeFormat), aspectN, aspectD, (int)cvRound(value), convertFormat);
else
outputFormat = (int)cvRound(value);
return true;
}
else if (property_id == CV_CAP_PROP_MODE)
switch (property_id)
{
case CV_CAP_PROP_MODE:
switch ((MSMFCapture_Mode)((int)value))
{
case MODE_SW:
@ -1529,45 +1525,29 @@ bool CvCapture_MSMF::setProperty( int property_id, double value )
default:
return false;
}
}
else if (property_id == CV_CAP_PROP_CONVERT_RGB)
{
if (isOpen)
return configureOutput(captureFormat.width, captureFormat.height, getFramerate(nativeFormat), aspectN, aspectD, outputFormat, value != 0);
else
convertFormat = value != 0;
return true;
}
else if (property_id == CV_CAP_PROP_SAR_NUM && value > 0)
{
if (isOpen)
return configureOutput(captureFormat.width, captureFormat.height, getFramerate(nativeFormat), (UINT32)cvRound(value), aspectD, outputFormat, convertFormat);
else
aspectN = (UINT32)cvRound(value);
return true;
}
else if (property_id == CV_CAP_PROP_SAR_DEN && value > 0)
{
if (isOpen)
return configureOutput(captureFormat.width, captureFormat.height, getFramerate(nativeFormat), aspectN, (UINT32)cvRound(value), outputFormat, convertFormat);
else
aspectD = (UINT32)cvRound(value);
return true;
}
else if (isOpen)
switch (property_id)
{
case CV_CAP_PROP_FRAME_WIDTH:
case CV_CAP_PROP_FORMAT:
return configureOutput(requestedWidth, requestedHeight, getFramerate(nativeFormat), aspectN, aspectD, (int)cvRound(value), convertFormat);
case CV_CAP_PROP_CONVERT_RGB:
return configureOutput(requestedWidth, requestedHeight, getFramerate(nativeFormat), aspectN, aspectD, outputFormat, value != 0);
case CV_CAP_PROP_SAR_NUM:
if (value > 0)
return configureOutput((UINT32)cvRound(value), captureFormat.height, getFramerate(nativeFormat), aspectN, aspectD, outputFormat, convertFormat);
return configureOutput(requestedWidth, requestedHeight, getFramerate(nativeFormat), (UINT32)cvRound(value), aspectD, outputFormat, convertFormat);
break;
case CV_CAP_PROP_FRAME_HEIGHT:
case CV_CAP_PROP_SAR_DEN:
if (value > 0)
return configureOutput(captureFormat.width, (UINT32)cvRound(value), getFramerate(nativeFormat), aspectN, aspectD, outputFormat, convertFormat);
return configureOutput(requestedWidth, requestedHeight, getFramerate(nativeFormat), aspectN, (UINT32)cvRound(value), outputFormat, convertFormat);
break;
case CV_CAP_PROP_FRAME_WIDTH:
if (value >= 0)
return configureOutput((UINT32)cvRound(value), requestedHeight, getFramerate(nativeFormat), aspectN, aspectD, outputFormat, convertFormat);
break;
case CV_CAP_PROP_FRAME_HEIGHT:
if (value >= 0)
return configureOutput(requestedWidth, (UINT32)cvRound(value), getFramerate(nativeFormat), aspectN, aspectD, outputFormat, convertFormat);
break;
case CV_CAP_PROP_FPS:
if (value >= 0)
return configureOutput(captureFormat.width, captureFormat.height, value, aspectN, aspectD, outputFormat, convertFormat);
return configureOutput(requestedWidth, requestedHeight, value, aspectN, aspectD, outputFormat, convertFormat);
break;
case CV_CAP_PROP_FOURCC:
break;

Write Preview
Loading…
Cancel
Save