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mirror of https://github.com/opencv/opencv.git synced 2026-07-31 08:13:04 +04:00

Merge remote-tracking branch 'upstream/3.4' into merge-3.4

This commit is contained in:
Alexander Alekhin
2019-05-28 19:41:48 +03:00
committed by Alexander Alekhin
56 changed files with 2025 additions and 1195 deletions
+31 -24
View File
@@ -528,6 +528,8 @@ class videoInput{
int getFourcc(int deviceID) const;
double getFPS(int deviceID) const;
int getChannel(int deviceID) const;
// RGB conversion setting
bool getConvertRGB(int deviceID);
bool setConvertRGB(int deviceID, bool enable);
@@ -963,6 +965,16 @@ videoDevice::~videoDevice(){
HRESULT HR = NOERROR;
//Check to see if the graph is running, if so stop it.
if( (pControl) )
{
HR = pControl->Pause();
if (FAILED(HR)) DebugPrintOut("ERROR - Could not pause pControl\n");
HR = pControl->Stop();
if (FAILED(HR)) DebugPrintOut("ERROR - Could not stop pControl\n");
}
//Stop the callback and free it
if( (sgCallback) && (pGrabber) )
{
@@ -979,16 +991,6 @@ videoDevice::~videoDevice(){
delete sgCallback;
}
//Check to see if the graph is running, if so stop it.
if( (pControl) )
{
HR = pControl->Pause();
if (FAILED(HR)) DebugPrintOut("ERROR - Could not pause pControl\n");
HR = pControl->Stop();
if (FAILED(HR)) DebugPrintOut("ERROR - Could not stop pControl\n");
}
//Disconnect filters from capture device
if( (pVideoInputFilter) )NukeDownstream(pVideoInputFilter);
@@ -1480,6 +1482,12 @@ double videoInput::getFPS(int id) const
}
int videoInput::getChannel(int deviceID) const
{
if (!isDeviceSetup(deviceID))
return 0;
return VDList[deviceID]->storeConn;
}
// ----------------------------------------------------------------------
//
@@ -3342,11 +3350,15 @@ double VideoCapture_DShow::getProperty(int propIdx) const
return g_VI.getFourcc(m_index);
case CV_CAP_PROP_FPS:
return g_VI.getFPS(m_index);
case CV_CAP_PROP_CONVERT_RGB:
return g_VI.getConvertRGB(m_index);
case CAP_PROP_CHANNEL:
return g_VI.getChannel(m_index);
case CV_CAP_PROP_AUTOFOCUS:
// Flags indicate whether or not autofocus is enabled
if (g_VI.getVideoSettingCamera(m_index, CameraControl_Focus, min_value, max_value, stepping_delta, current_value, flags, defaultValue))
return (double)flags;
return -1;
break;
// video filter properties
case CV_CAP_PROP_BRIGHTNESS:
@@ -3361,7 +3373,7 @@ double VideoCapture_DShow::getProperty(int propIdx) const
case CV_CAP_PROP_GAIN:
if (g_VI.getVideoSettingFilter(m_index, g_VI.getVideoPropertyFromCV(propIdx), min_value, max_value, stepping_delta, current_value, flags, defaultValue))
return (double)current_value;
return -1;
break;
// camera properties
case CV_CAP_PROP_PAN:
@@ -3373,14 +3385,12 @@ double VideoCapture_DShow::getProperty(int propIdx) const
case CV_CAP_PROP_FOCUS:
if (g_VI.getVideoSettingCamera(m_index, g_VI.getCameraPropertyFromCV(propIdx), min_value, max_value, stepping_delta, current_value, flags, defaultValue))
return (double)current_value;
return -1;
}
if (propIdx == CV_CAP_PROP_SETTINGS )
{
break;
case CV_CAP_PROP_SETTINGS:
return g_VI.property_window_count(m_index);
default:
break;
}
// unknown parameter or value not available
return -1;
}
@@ -3488,12 +3498,6 @@ bool VideoCapture_DShow::setProperty(int propIdx, double propVal)
return true;
}
// show video/camera filter dialog
if (propIdx == CV_CAP_PROP_SETTINGS )
{
return g_VI.showSettingsWindow(m_index);
}
//video Filter properties
switch (propIdx)
{
@@ -3521,6 +3525,9 @@ bool VideoCapture_DShow::setProperty(int propIdx, double propVal)
case CV_CAP_PROP_IRIS:
case CV_CAP_PROP_FOCUS:
return g_VI.setVideoSettingCamera(m_index, g_VI.getCameraPropertyFromCV(propIdx), (long)propVal);
// show video/camera filter dialog
case CV_CAP_PROP_SETTINGS:
return g_VI.showSettingsWindow(m_index);
}
return false;
+121 -90
View File
@@ -51,27 +51,23 @@
#include "precomp.hpp"
#include "opencv2/imgcodecs.hpp"
#include <sys/stat.h>
#ifdef NDEBUG
#include "opencv2/core/utils/filesystem.hpp"
#if 0
#define CV_WARN(message)
#else
#define CV_WARN(message) fprintf(stderr, "warning: %s (%s:%d)\n", message, __FILE__, __LINE__)
#define CV_WARN(message) CV_LOG_INFO(NULL, "CAP_IMAGES warning: %s (%s:%d)" << message)
#endif
#ifndef _MAX_PATH
#define _MAX_PATH 1024
#endif
namespace cv
{
namespace cv {
class CvCapture_Images: public IVideoCapture
{
public:
void init()
{
filename.clear();
filename_pattern.clear();
frame.release();
currentframe = firstframe = 0;
length = 0;
@@ -101,8 +97,7 @@ public:
bool open(const String&);
void close();
protected:
std::string filename; // actually a printf-pattern
std::string filename_pattern; // actually a printf-pattern
unsigned currentframe;
unsigned firstframe; // number of first frame
unsigned length; // length of sequence
@@ -118,12 +113,8 @@ void CvCapture_Images::close()
bool CvCapture_Images::grabFrame()
{
char str[_MAX_PATH];
if( filename.empty() )
return false;
sprintf(str, filename.c_str(), firstframe + currentframe);
cv::String filename = cv::format(filename_pattern.c_str(), (int)(firstframe + currentframe));
CV_Assert(!filename.empty());
if (grabbedInOpen)
{
@@ -133,7 +124,7 @@ bool CvCapture_Images::grabFrame()
return !frame.empty();
}
frame = imread(str, IMREAD_UNCHANGED);
frame = imread(filename, IMREAD_UNCHANGED);
if( !frame.empty() )
currentframe++;
@@ -152,7 +143,7 @@ double CvCapture_Images::getProperty(int id) const
switch(id)
{
case CV_CAP_PROP_POS_MSEC:
CV_WARN("collections of images don't have framerates\n");
CV_WARN("collections of images don't have framerates");
return 0;
case CV_CAP_PROP_POS_FRAMES:
return currentframe;
@@ -165,10 +156,10 @@ double CvCapture_Images::getProperty(int id) const
case CV_CAP_PROP_FRAME_HEIGHT:
return frame.rows;
case CV_CAP_PROP_FPS:
CV_WARN("collections of images don't have framerates\n");
CV_WARN("collections of images don't have framerates");
return 1;
case CV_CAP_PROP_FOURCC:
CV_WARN("collections of images don't have 4-character codes\n");
CV_WARN("collections of images don't have 4-character codes");
return 0;
}
return 0;
@@ -181,11 +172,11 @@ bool CvCapture_Images::setProperty(int id, double value)
case CV_CAP_PROP_POS_MSEC:
case CV_CAP_PROP_POS_FRAMES:
if(value < 0) {
CV_WARN("seeking to negative positions does not work - clamping\n");
CV_WARN("seeking to negative positions does not work - clamping");
value = 0;
}
if(value >= length) {
CV_WARN("seeking beyond end of sequence - clamping\n");
CV_WARN("seeking beyond end of sequence - clamping");
value = length - 1;
}
currentframe = cvRound(value);
@@ -194,10 +185,10 @@ bool CvCapture_Images::setProperty(int id, double value)
return true;
case CV_CAP_PROP_POS_AVI_RATIO:
if(value > 1) {
CV_WARN("seeking beyond end of sequence - clamping\n");
CV_WARN("seeking beyond end of sequence - clamping");
value = 1;
} else if(value < 0) {
CV_WARN("seeking to negative positions does not work - clamping\n");
CV_WARN("seeking to negative positions does not work - clamping");
value = 0;
}
currentframe = cvRound((length - 1) * value);
@@ -205,61 +196,92 @@ bool CvCapture_Images::setProperty(int id, double value)
grabbedInOpen = false; // grabbed frame is not valid anymore
return true;
}
CV_WARN("unknown/unhandled property\n");
CV_WARN("unknown/unhandled property");
return false;
}
static std::string extractPattern(const std::string& filename, unsigned& offset)
static
std::string icvExtractPattern(const std::string& filename, unsigned *offset)
{
std::string name;
size_t len = filename.size();
CV_Assert(!filename.empty());
CV_Assert(offset);
if( filename.empty() )
return std::string();
*offset = 0;
// check whether this is a valid image sequence filename
char *at = strchr((char*)filename.c_str(), '%');
if(at)
std::string::size_type pos = filename.find('%');
if (pos != std::string::npos)
{
unsigned int dummy;
if(sscanf(at + 1, "%ud", &dummy) != 1)
return std::string();
name = filename;
pos++; CV_Assert(pos < len);
if (filename[pos] == '0') // optional zero prefix
{
pos++; CV_Assert(pos < len);
}
if (filename[pos] >= '1' && filename[pos] <= '9') // optional numeric size (1..9) (one symbol only)
{
pos++; CV_Assert(pos < len);
}
if (filename[pos] == 'd' || filename[pos] == 'u')
{
pos++;
if (pos == len)
return filename; // end of string '...%5d'
CV_Assert(pos < len);
if (filename.find('%', pos) == std::string::npos)
return filename; // no more patterns
CV_Error_(Error::StsBadArg, ("CAP_IMAGES: invalid multiple patterns: %s", filename.c_str()));
}
CV_Error_(Error::StsBadArg, ("CAP_IMAGES: error, expected '0?[1-9][du]' pattern, got: %s", filename.c_str()));
}
else // no pattern filename was given - extract the pattern
{
at = (char*)filename.c_str();
// ignore directory names
char *slash = strrchr(at, '/');
if (slash) at = slash + 1;
pos = filename.rfind('/');
#ifdef _WIN32
slash = strrchr(at, '\\');
if (slash) at = slash + 1;
if (pos == std::string::npos)
pos = filename.rfind('\\');
#endif
if (pos != std::string::npos)
pos++;
else
pos = 0;
while (*at && !isdigit(*at)) at++;
while (pos < len && !isdigit(filename[pos])) pos++;
if(!*at)
return std::string();
if (pos == len)
{
CV_Error_(Error::StsBadArg, ("CAP_IMAGES: can't find starting number (in the name of file): %s", filename.c_str()));
}
sscanf(at, "%u", &offset);
std::string::size_type pos0 = pos;
name = filename.substr(0, at - filename.c_str());
name += "%0";
const int64_t max_number = 1000000000;
CV_Assert(max_number < INT_MAX); // offset is 'int'
int i;
char *extension;
for(i = 0, extension = at; isdigit(at[i]); i++, extension++)
;
char places[13] = {0};
sprintf(places, "%dd", i);
int number_str_size = 0;
uint64_t number = 0;
while (pos < len && isdigit(filename[pos]))
{
char ch = filename[pos];
number = (number * 10) + (uint64_t)((int)ch - (int)'0');
CV_Assert(number < max_number);
number_str_size++;
CV_Assert(number_str_size <= 64); // don't allow huge zero prefixes
pos++;
}
CV_Assert(number_str_size > 0);
name += places;
name += extension;
*offset = (int)number;
std::string result;
if (pos0 > 0)
result += filename.substr(0, pos0);
result += cv::format("%%0%dd", number_str_size);
if (pos < len)
result += filename.substr(pos);
CV_LOG_INFO(NULL, "Pattern: " << result << " @ " << number);
return result;
}
return name;
}
@@ -268,33 +290,34 @@ bool CvCapture_Images::open(const std::string& _filename)
unsigned offset = 0;
close();
filename = extractPattern(_filename, offset);
if( filename.empty() )
return false;
CV_Assert(!_filename.empty());
filename_pattern = icvExtractPattern(_filename, &offset);
CV_Assert(!filename_pattern.empty());
// determine the length of the sequence
length = 0;
char str[_MAX_PATH];
for(;;)
for (length = 0; ;)
{
sprintf(str, filename.c_str(), offset + length);
struct stat s;
if(stat(str, &s))
cv::String filename = cv::format(filename_pattern.c_str(), (int)(offset + length));
if (!utils::fs::exists(filename))
{
if(length == 0 && offset == 0) // allow starting with 0 or 1
if (length == 0 && offset == 0) // allow starting with 0 or 1
{
offset++;
continue;
}
break;
}
if(!haveImageReader(str))
if(!haveImageReader(filename))
{
CV_LOG_INFO(NULL, "CAP_IMAGES: Stop scanning. Can't read image file: " << filename);
break;
}
length++;
}
if(length == 0)
if (length == 0)
{
close();
return false;
@@ -312,7 +335,7 @@ bool CvCapture_Images::open(const std::string& _filename)
bool CvCapture_Images::isOpened() const
{
return !filename.empty();
return !filename_pattern.empty();
}
Ptr<IVideoCapture> create_Images_capture(const std::string &filename)
@@ -330,7 +353,7 @@ class CvVideoWriter_Images CV_FINAL : public CvVideoWriter
public:
CvVideoWriter_Images()
{
filename.clear();
filename_pattern.clear();
currentframe = 0;
}
virtual ~CvVideoWriter_Images() { close(); }
@@ -342,20 +365,23 @@ public:
int getCaptureDomain() const CV_OVERRIDE { return cv::CAP_IMAGES; }
protected:
std::string filename;
std::string filename_pattern;
unsigned currentframe;
std::vector<int> params;
};
bool CvVideoWriter_Images::writeFrame( const IplImage* image )
{
char str[_MAX_PATH];
sprintf(str, filename.c_str(), currentframe);
CV_Assert(!filename_pattern.empty());
cv::String filename = cv::format(filename_pattern.c_str(), (int)currentframe);
CV_Assert(!filename.empty());
std::vector<int> image_params = params;
image_params.push_back(0); // append parameters 'stop' mark
image_params.push_back(0);
cv::Mat img = cv::cvarrToMat(image);
bool ret = cv::imwrite(str, img, image_params);
bool ret = cv::imwrite(filename, img, image_params);
currentframe++;
@@ -364,7 +390,7 @@ bool CvVideoWriter_Images::writeFrame( const IplImage* image )
void CvVideoWriter_Images::close()
{
filename.clear();
filename_pattern.clear();
currentframe = 0;
params.clear();
}
@@ -373,16 +399,14 @@ void CvVideoWriter_Images::close()
bool CvVideoWriter_Images::open( const char* _filename )
{
unsigned offset = 0;
close();
filename = cv::extractPattern(_filename, offset);
if(filename.empty())
return false;
CV_Assert(_filename);
filename_pattern = icvExtractPattern(_filename, &offset);
CV_Assert(!filename_pattern.empty());
char str[_MAX_PATH];
sprintf(str, filename.c_str(), 0);
if(!cv::haveImageWriter(str))
cv::String filename = cv::format(filename_pattern.c_str(), (int)currentframe);
if (!cv::haveImageWriter(filename))
{
close();
return false;
@@ -409,10 +433,17 @@ Ptr<IVideoWriter> create_Images_writer(const std::string &filename, int, double,
{
CvVideoWriter_Images *writer = new CvVideoWriter_Images;
if( writer->open( filename.c_str() ))
return makePtr<LegacyWriter>(writer);
try
{
if( writer->open( filename.c_str() ))
return makePtr<LegacyWriter>(writer);
}
catch (...)
{
delete writer;
throw;
}
delete writer;
return 0;
}