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- Image format NV12 and I420 added

Browse Source 
- Flip mode
- Scaling factor for MJPEG
- VSCode (compile before run)
- CI (push) dependency libjpeg-turbo added
This commit is contained in:
Paulchen Panther
2021-01-03 13:30:37 +01:00
parent 545b29ed27
commit 4a79d3f143
9 changed files with 189 additions and 60 deletions
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33
libsrc/grabber/mediafoundation/MFGrabber.cpp
View File

@@ -4,9 +4,12 @@
static PixelFormat GetPixelFormatForGuid(const GUID guid)
{
if (IsEqualGUID(guid, MFVideoFormat_RGB32)) return PixelFormat::RGB32;
if (IsEqualGUID(guid, MFVideoFormat_RGB24)) return PixelFormat::BGR24;
if (IsEqualGUID(guid, MFVideoFormat_YUY2)) return PixelFormat::YUYV;
if (IsEqualGUID(guid, MFVideoFormat_UYVY)) return PixelFormat::UYVY;
if (IsEqualGUID(guid, MFVideoFormat_MJPG)) return PixelFormat::MJPEG;
if (IsEqualGUID(guid, MFVideoFormat_NV12)) return PixelFormat::NV12;
if (IsEqualGUID(guid, MFVideoFormat_I420)) return PixelFormat::I420;
return PixelFormat::NO_CHANGE;
};
@@ -40,7 +43,7 @@ MFGrabber::MFGrabber(const QString & device, unsigned width, unsigned height, un
setInput(input);
setWidthHeight(width, height);
setFramerate(fps);
// setDeviceVideoStandard(device, videoStandard);
// setDeviceVideoStandard(device, videoStandard); // TODO
CoInitializeEx(0, COINIT_MULTITHREADED);
_hr = MFStartup(MF_VERSION, MFSTARTUP_NOSOCKET);
@@ -134,7 +137,7 @@ bool MFGrabber::init()
continue;
}
if (strict)
if (strict && (val.fps <= 60 || _fps != 15))
foundIndex = i;
}
@@ -394,16 +397,32 @@ bool MFGrabber::init_device(QString deviceName, DevicePropertiesItem props)
}
break;
case PixelFormat::RGB32:
case PixelFormat::BGR24:
case PixelFormat::MJPEG:
{
_frameByteSize = props.x * props.y * 4;
_frameByteSize = props.x * props.y * 3;
_lineLength = props.x * 3;
}
break;
case PixelFormat::MJPEG:
case PixelFormat::RGB32:
{
_lineLength = props.x * 3;
_frameByteSize = props.x * props.y * 4;
_lineLength = props.x * 4;
}
break;
case PixelFormat::NV12:
{
_frameByteSize = (6 * props.x * props.y) / 4;
_lineLength = props.x;
}
break;
case PixelFormat::I420:
{
_frameByteSize = (6 * props.x * props.y) / 4;
_lineLength = props.x;
}
break;
}
@@ -499,6 +518,8 @@ void MFGrabber::enumVideoCaptureDevices()
di.pf = pixelformat;
di.guid = format;
properties.valid.append(di);
Debug(_log, "%s %d x %d @ %d fps (%s)", QSTRING_CSTR(dev), di.x, di.y, di.fps, QSTRING_CSTR(pixelFormatToString(di.pf)));
}
}

3
libsrc/grabber/mediafoundation/MFSourceReaderCB.h
View File

@@ -74,7 +74,6 @@ public:
hrStatus = pSample->ConvertToContiguousBuffer(&buffer);
if (SUCCEEDED(hrStatus))
{
BYTE* data = nullptr;
DWORD maxLength = 0, currentLength = 0;
@@ -89,11 +88,11 @@ public:
else
error = QString("buffer->Lock failed => %1").arg(hrStatus);
SAFE_RELEASE(buffer);
}
else
error = QString("pSample->ConvertToContiguousBuffer failed => %1").arg(hrStatus);
SAFE_RELEASE(buffer);
}
else
error = "pSample is NULL";

20
libsrc/grabber/mediafoundation/MFThread.cpp
View File

@@ -3,13 +3,15 @@
volatile bool MFThread::_isActive = false;
MFThread::MFThread():
_localData(nullptr),
_localDataSize(0),
_decompress(nullptr),
_isBusy(false),
_semaphore(1),
_imageResampler()
MFThread::MFThread()
: _localData(nullptr)
, _localDataSize(0)
, _decompress(nullptr)
, _scalingFactorsCount(0)
, _scalingFactors(nullptr)
, _isBusy(false)
, _semaphore(1)
, _imageResampler()
{
}
@@ -50,6 +52,7 @@ void MFThread::setup(
_imageResampler.setCropping(cropLeft, cropRight, cropTop, cropBottom);
_imageResampler.setHorizontalPixelDecimation(_pixelDecimation);
_imageResampler.setVerticalPixelDecimation(_pixelDecimation);
_imageResampler.setFlipMode(FlipMode::HORIZONTAL);
if (size > _localDataSize)
{
@@ -110,6 +113,7 @@ void MFThread::processImageMjpeg()
{
_decompress = tjInitDecompress();
_scalingFactors = tjGetScalingFactors (&_scalingFactorsCount);
tjhandle handle=NULL;
}
if (tjDecompressHeader2(_decompress, _localData, _size, &_width, &_height, &_subsamp) != 0)
@@ -167,6 +171,8 @@ void MFThread::processImageMjpeg()
unsigned char* source = (unsigned char*)srcImage.memptr() + (y + _cropTop)*srcImage.width()*3 + _cropLeft*3;
unsigned char* dest = (unsigned char*)destImage.memptr() + y*destImage.width()*3;
memcpy(dest, source, destImage.width()*3);
free(source);
free(dest);
}
// emit