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videoio: add routines to query information about backends API

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into cv::videoio_registry namespace
This commit is contained in:
Alexander Alekhin
2018-07-19 16:14:50 +03:00
parent 905da2994a
commit 270cc3bcbc
8 changed files with 213 additions and 57 deletions
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modules/videoio/test/test_video_io.cpp
+9 -55
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@@ -46,62 +46,12 @@
namespace opencv_test
{
struct VideoCaptureAPI
{
VideoCaptureAPIs api;
inline const char * toString() const
{
switch (api)
{
case CAP_ANY: return "CAP_ANY";
#ifdef __linux__
case CAP_V4L2: return "CAP_V4L/CAP_V4L2";
#else
case CAP_VFW: return "CAP_VFW";
#endif
case CAP_FIREWIRE: return "CAP_FIREWIRE";
case CAP_QT: return "CAP_QT";
case CAP_UNICAP: return "CAP_UNICAP";
case CAP_DSHOW: return "CAP_DSHOW";
case CAP_PVAPI: return "CAP_PVAPI";
case CAP_OPENNI: return "CAP_OPENNI";
case CAP_OPENNI_ASUS: return "CAP_OPENNI_ASUS";
case CAP_ANDROID: return "CAP_ANDROID";
case CAP_XIAPI: return "CAP_XIAPI";
case CAP_AVFOUNDATION: return "CAP_AVFOUNDATION";
case CAP_GIGANETIX: return "CAP_GIGANETIX";
case CAP_MSMF: return "CAP_MSMF";
case CAP_WINRT: return "CAP_WINRT";
case CAP_INTELPERC: return "CAP_INTELPERC";
case CAP_OPENNI2: return "CAP_OPENNI2";
case CAP_OPENNI2_ASUS: return "CAP_OPENNI2_ASUS";
case CAP_GPHOTO2: return "CAP_GPHOTO2";
case CAP_GSTREAMER: return "CAP_GSTREAMER";
case CAP_FFMPEG: return "CAP_FFMPEG";
case CAP_IMAGES: return "CAP_IMAGES";
case CAP_ARAVIS: return "CAP_ARAVIS";
case CAP_OPENCV_MJPEG: return "CAP_OPENCV_MJPEG";
case CAP_INTEL_MFX: return "CAP_INTEL_MFX";
case CAP_XINE: return "CAP_XINE";
}
return "unknown";
}
VideoCaptureAPI(int api_ = CAP_ANY) : api((VideoCaptureAPIs)api_) {}
operator int() { return api; }
};
inline std::ostream &operator<<(std::ostream &out, const VideoCaptureAPI & api)
{
out << api.toString(); return out;
}
class Videoio_Test_Base
{
protected:
string ext;
string video_file;
VideoCaptureAPI apiPref;
VideoCaptureAPIs apiPref;
protected:
Videoio_Test_Base() {}
virtual ~Videoio_Test_Base() {}
@@ -131,6 +81,8 @@ protected:
public:
void doTest()
{
if (!isBackendAvailable(apiPref, cv::videoio_registry::getStreamBackends()))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
VideoCapture cap;
ASSERT_NO_THROW(cap.open(video_file, apiPref));
if (!cap.isOpened())
@@ -200,7 +152,7 @@ public:
};
//==================================================================================================
typedef tuple<string, VideoCaptureAPI> Backend_Type_Params;
typedef tuple<string, VideoCaptureAPIs> Backend_Type_Params;
class Videoio_Bunny : public Videoio_Test_Base, public testing::TestWithParam<Backend_Type_Params>
{
@@ -214,6 +166,8 @@ public:
}
void doFrameCountTest()
{
if (!isBackendAvailable(apiPref, cv::videoio_registry::getStreamBackends()))
throw SkipTestException(cv::String("Backend is not available/disabled: ") + cv::videoio_registry::getBackendName(apiPref));
VideoCapture cap;
EXPECT_NO_THROW(cap.open(video_file, apiPref));
if (!cap.isOpened())
@@ -274,7 +228,7 @@ struct Ext_Fourcc_PSNR
string ext;
string fourcc;
float PSNR;
VideoCaptureAPI api;
VideoCaptureAPIs api;
};
typedef tuple<Size, Ext_Fourcc_PSNR> Size_Ext_Fourcc_PSNR;
@@ -348,7 +302,7 @@ public:
//==================================================================================================
static VideoCaptureAPI backend_params[] = {
static const VideoCaptureAPIs backend_params[] = {
#ifdef HAVE_QUICKTIME
CAP_QT,
#endif
@@ -383,7 +337,7 @@ static VideoCaptureAPI backend_params[] = {
// CAP_INTEL_MFX
};
static string bunny_params[] = {
static const string bunny_params[] = {
#ifdef HAVE_VIDEO_INPUT
string("wmv"),
string("mov"),