Skip to content

O
opencv
Commit e1c4fd9e authored by Andrey Kamaev's avatar Andrey Kamaev
Browse files
Options

Merged the trunk r8345:8376

parent 70166820
Expand all Hide whitespace changes
Inline Side-by-side
Showing with 1074 additions and 583 deletions
3rdparty/include/MultiMon.h 0 → 100644
View file @ e1c4fd9e
This diff is collapsed.
android/android.toolchain.cmake
View file @ e1c4fd9e
......@@ -766,30 +766,30 @@ set( CMAKE_COMPILER_IS_GNUASM 1)
# NDK flags
if( ARMEABI OR ARMEABI_V7A )
# NDK also defines -ffunction-sections -funwind-tables but they result in worse OpenCV performance
set( CMAKE_CXX_FLAGS "-fPIC -Wno-psabi" )
set( CMAKE_C_FLAGS "-fPIC -Wno-psabi" )
set( _CMAKE_CXX_FLAGS "-fPIC -Wno-psabi" )
set( _CMAKE_C_FLAGS "-fPIC -Wno-psabi" )
remove_definitions( -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ )
add_definitions( -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ )
# extra arm-specific flags
set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" )
elseif( X86 )
set( CMAKE_CXX_FLAGS "-funwind-tables" )
set( CMAKE_C_FLAGS "-funwind-tables" )
set( _CMAKE_CXX_FLAGS "-funwind-tables" )
set( _CMAKE_C_FLAGS "-funwind-tables" )
elseif( MIPS )
set( CMAKE_CXX_FLAGS "-fpic -Wno-psabi -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" )
set( CMAKE_CXX_FLAGS "-fpic -Wno-psabi -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" )
set( _CMAKE_CXX_FLAGS "-fpic -Wno-psabi -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" )
set( _CMAKE_CXX_FLAGS "-fpic -Wno-psabi -fno-strict-aliasing -finline-functions -ffunction-sections -funwind-tables -fmessage-length=0 -fno-inline-functions-called-once -fgcse-after-reload -frerun-cse-after-loop -frename-registers" )
set( ANDROID_CXX_FLAGS "${ANDROID_CXX_FLAGS} -fsigned-char" )
else()
set( CMAKE_CXX_FLAGS "" )
set( CMAKE_C_FLAGS "" )
set( _CMAKE_CXX_FLAGS "" )
set( _CMAKE_C_FLAGS "" )
endif()
if( ANDROID_USE_STLPORT )
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-rtti -fno-exceptions" )
set( _CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS} -fno-rtti -fno-exceptions" )
set( _CMAKE_C_FLAGS "${_CMAKE_C_FLAGS} -fno-rtti -fno-exceptions" )
else()
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -frtti -fexceptions" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fexceptions" )
set( _CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS} -frtti -fexceptions" )
set( _CMAKE_C_FLAGS "${_CMAKE_C_FLAGS} -fexceptions" )
endif()
#release and debug flags
......@@ -798,33 +798,33 @@ if( ARMEABI OR ARMEABI_V7A )
#It is recommended to use the -mthumb compiler flag to force the generation
#of 16-bit Thumb-1 instructions (the default being 32-bit ARM ones).
# O3 instead of O2/Os in release mode - like cmake sets for desktop gcc
set( CMAKE_CXX_FLAGS_RELEASE "-mthumb -O3" )
set( CMAKE_C_FLAGS_RELEASE "-mthumb -O3" )
set( CMAKE_CXX_FLAGS_DEBUG "-marm -Os -finline-limit=64" )
set( CMAKE_C_FLAGS_DEBUG "-marm -Os -finline-limit=64" )
set( _CMAKE_CXX_FLAGS_RELEASE "-mthumb -O3" )
set( _CMAKE_C_FLAGS_RELEASE "-mthumb -O3" )
set( _CMAKE_CXX_FLAGS_DEBUG "-marm -Os -finline-limit=64" )
set( _CMAKE_C_FLAGS_DEBUG "-marm -Os -finline-limit=64" )
else()
# always compile ARMEABI_V6 in arm mode; otherwise there is no difference from ARMEABI
# O3 instead of O2/Os in release mode - like cmake sets for desktop gcc
set( CMAKE_CXX_FLAGS_RELEASE "-marm -O3 -fstrict-aliasing" )
set( CMAKE_C_FLAGS_RELEASE "-marm -O3 -fstrict-aliasing" )
set( CMAKE_CXX_FLAGS_DEBUG "-marm -O0 -finline-limit=300" )
set( CMAKE_C_FLAGS_DEBUG "-marm -O0 -finline-limit=300" )
set( _CMAKE_CXX_FLAGS_RELEASE "-marm -O3 -fstrict-aliasing" )
set( _CMAKE_C_FLAGS_RELEASE "-marm -O3 -fstrict-aliasing" )
set( _CMAKE_CXX_FLAGS_DEBUG "-marm -O0 -finline-limit=300" )
set( _CMAKE_C_FLAGS_DEBUG "-marm -O0 -finline-limit=300" )
endif()
elseif( X86 )
set( CMAKE_CXX_FLAGS_RELEASE "-O3 -fstrict-aliasing" )
set( CMAKE_C_FLAGS_RELEASE "-O3 -fstrict-aliasing" )
set( CMAKE_CXX_FLAGS_DEBUG "-O0 -finline-limit=300" )
set( CMAKE_C_FLAGS_DEBUG "-O0 -finline-limit=300" )
set( _CMAKE_CXX_FLAGS_RELEASE "-O3 -fstrict-aliasing" )
set( _CMAKE_C_FLAGS_RELEASE "-O3 -fstrict-aliasing" )
set( _CMAKE_CXX_FLAGS_DEBUG "-O0 -finline-limit=300" )
set( _CMAKE_C_FLAGS_DEBUG "-O0 -finline-limit=300" )
elseif( MIPS )
set( CMAKE_CXX_FLAGS_RELEASE "-O3 -funswitch-loops -finline-limit=300" )
set( CMAKE_C_FLAGS_RELEASE "-O3 -funswitch-loops -finline-limit=300" )
set( CMAKE_CXX_FLAGS_DEBUG "-O0 -g" )
set( CMAKE_C_FLAGS_DEBUG "-O0 -g" )
set( _CMAKE_CXX_FLAGS_RELEASE "-O3 -funswitch-loops -finline-limit=300" )
set( _CMAKE_C_FLAGS_RELEASE "-O3 -funswitch-loops -finline-limit=300" )
set( _CMAKE_CXX_FLAGS_DEBUG "-O0 -g" )
set( _CMAKE_C_FLAGS_DEBUG "-O0 -g" )
endif()
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fomit-frame-pointer -DNDEBUG" )
set( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fomit-frame-pointer -DNDEBUG" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" )
set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" )
set( _CMAKE_CXX_FLAGS_RELEASE "${_CMAKE_CXX_FLAGS_RELEASE} -fomit-frame-pointer -DNDEBUG" )
set( _CMAKE_C_FLAGS_RELEASE "${_CMAKE_C_FLAGS_RELEASE} -fomit-frame-pointer -DNDEBUG" )
set( _CMAKE_CXX_FLAGS_DEBUG "${_CMAKE_CXX_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" )
set( _CMAKE_C_FLAGS_DEBUG "${_CMAKE_C_FLAGS_DEBUG} -fno-strict-aliasing -fno-omit-frame-pointer -DDEBUG -D_DEBUG" )
#ABI-specific flags
if( ARMEABI_V7A )
......@@ -928,12 +928,12 @@ if( ARMEABI_V7A )
endif()
#cache flags
set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags" )
set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS}" CACHE STRING "c flags" )
set( CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "c++ Release flags" )
set( CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}" CACHE STRING "c Release flags" )
set( CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "c++ Debug flags" )
set( CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG}" CACHE STRING "c Debug flags" )
set( CMAKE_CXX_FLAGS "${_CMAKE_CXX_FLAGS}" CACHE STRING "c++ flags" )
set( CMAKE_C_FLAGS "${_CMAKE_C_FLAGS}" CACHE STRING "c flags" )
set( CMAKE_CXX_FLAGS_RELEASE "${_CMAKE_CXX_FLAGS_RELEASE}" CACHE STRING "c++ Release flags" )
set( CMAKE_C_FLAGS_RELEASE "${_CMAKE_C_FLAGS_RELEASE}" CACHE STRING "c Release flags" )
set( CMAKE_CXX_FLAGS_DEBUG "${_CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING "c++ Debug flags" )
set( CMAKE_C_FLAGS_DEBUG "${_CMAKE_C_FLAGS_DEBUG}" CACHE STRING "c Debug flags" )
set( CMAKE_SHARED_LINKER_FLAGS "" CACHE STRING "linker flags" )
set( CMAKE_MODULE_LINKER_FLAGS "" CACHE STRING "linker flags" )
set( CMAKE_EXE_LINKER_FLAGS "-Wl,-z,nocopyreloc" CACHE STRING "linker flags" )
......
cmake/OpenCVCompilerOptions.cmake
View file @ e1c4fd9e
if (WIN32 AND CMAKE_GENERATOR MATCHES "(MinGW)|(MSYS)")
set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNDEBUG" CACHE STRING "")
endif()
if(MSVC)
if(CMAKE_CXX_FLAGS STREQUAL CMAKE_CXX_FLAGS_INIT)
# override cmake default exception handling option
......@@ -17,6 +13,21 @@ set(OPENCV_EXTRA_EXE_LINKER_FLAGS "")
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_RELEASE "")
set(OPENCV_EXTRA_EXE_LINKER_FLAGS_DEBUG "")
if(MINGW)
# mingw compiler is known to produce unstable SSE code
# here we are trying to workaround the problem
include(CheckCXXCompilerFlag)
CHECK_CXX_COMPILER_FLAG(-mstackrealign HAVE_STACKREALIGN_FLAG)
if(HAVE_STACKREALIGN_FLAG)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -mstackrealign")
else()
CHECK_CXX_COMPILER_FLAG(-mpreferred-stack-boundary=2 HAVE_PREFERRED_STACKBOUNDARY_FLAG)
if(HAVE_PREFERRED_STACKBOUNDARY_FLAG)
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -mstackrealign")
endif()
endif()
endif()
if(CMAKE_COMPILER_IS_GNUCXX)
# High level of warnings.
set(OPENCV_EXTRA_C_FLAGS "${OPENCV_EXTRA_C_FLAGS} -Wall")
......
cmake/OpenCVDetectCXXCompiler.cmake
View file @ e1c4fd9e
......@@ -11,7 +11,7 @@ if(NOT APPLE)
unset(ENABLE_PRECOMPILED_HEADERS CACHE)
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
set(CMAKE_COMPILER_IS_GNUC 1)
set(CMAKE_COMPILER_IS_GNUCC 1)
unset(ENABLE_PRECOMPILED_HEADERS CACHE)
endif()
endif()
......
cmake/OpenCVDetectPython.cmake
View file @ e1c4fd9e
......@@ -12,12 +12,10 @@ if(MSVC AND NOT PYTHON_EXECUTABLE)
)
endforeach()
endif()
find_host_package(PythonInterp 2.0)
unset(PYTHON_USE_NUMPY CACHE)
unset(HAVE_SPHINX CACHE)
if(PYTHON_EXECUTABLE)
if(PYTHON_VERSION_STRING)
set(PYTHON_VERSION_MAJOR_MINOR "${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}")
......@@ -46,16 +44,15 @@ if(PYTHON_EXECUTABLE)
OUTPUT_VARIABLE PYTHON_STD_PACKAGES_PATH
OUTPUT_STRIP_TRAILING_WHITESPACE)
if("${PYTHON_STD_PACKAGES_PATH}" MATCHES "site-packages")
set(PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/site-packages")
set(_PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/site-packages")
else() #debian based assumed, install to the dist-packages.
set(PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/dist-packages")
set(_PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/dist-packages")
endif()
if(EXISTS "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/${PYTHON_PACKAGES_PATH}")
set(PYTHON_PACKAGES_PATH "lib${LIB_SUFFIX}/${PYTHON_PACKAGES_PATH}")
set(_PYTHON_PACKAGES_PATH "lib${LIB_SUFFIX}/${_PYTHON_PACKAGES_PATH}")
else()
set(PYTHON_PACKAGES_PATH "lib/${PYTHON_PACKAGES_PATH}")
set(_PYTHON_PACKAGES_PATH "lib/${_PYTHON_PACKAGES_PATH}")
endif()
set(PYTHON_PACKAGES_PATH "${PYTHON_PACKAGES_PATH}" CACHE PATH "Where to install the python packages.")
elseif(CMAKE_HOST_WIN32)
get_filename_component(PYTHON_PATH "${PYTHON_EXECUTABLE}" PATH)
file(TO_CMAKE_PATH "${PYTHON_PATH}" PYTHON_PATH)
......@@ -67,8 +64,9 @@ if(PYTHON_EXECUTABLE)
endif()
file(TO_CMAKE_PATH "${PYTHON_PATH}" PYTHON_PATH)
endif()
set(PYTHON_PACKAGES_PATH "${PYTHON_PATH}/Lib/site-packages")
set(_PYTHON_PACKAGES_PATH "${PYTHON_PATH}/Lib/site-packages")
endif()
SET(PYTHON_PACKAGES_PATH "${_PYTHON_PACKAGES_PATH}" CACHE PATH "Where to install the python packages.")
if(NOT PYTHON_NUMPY_INCLUDE_DIR)
# Attempt to discover the NumPy include directory. If this succeeds, then build python API with NumPy
......@@ -78,8 +76,8 @@ if(PYTHON_EXECUTABLE)
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(PYTHON_NUMPY_PROCESS EQUAL 0)
file(TO_CMAKE_PATH "${PYTHON_NUMPY_INCLUDE_DIR}" PYTHON_NUMPY_INCLUDE_DIR)
set(PYTHON_NUMPY_INCLUDE_DIR ${PYTHON_NUMPY_INCLUDE_DIR} CACHE PATH "Path to numpy headers")
file(TO_CMAKE_PATH "${PYTHON_NUMPY_INCLUDE_DIR}" _PYTHON_NUMPY_INCLUDE_DIR)
set(PYTHON_NUMPY_INCLUDE_DIR ${_PYTHON_NUMPY_INCLUDE_DIR} CACHE PATH "Path to numpy headers")
endif()
endif()
......
cmake/OpenCVFindIPP.cmake
View file @ e1c4fd9e
......@@ -220,45 +220,40 @@ function(set_ipp_variables _LATEST_VERSION)
endfunction()
# ------------------------------------------------------------------------
# This section will look for IPP through IPPROOT env variable
# Note, IPPROOT is not set by IPP installer, you may need to set it manually
# ------------------------------------------------------------------------
find_path(
IPP_H_PATH
NAMES ippversion.h
PATHS $ENV{IPPROOT}
PATH_SUFFIXES include
DOC "The path to Intel(R) IPP header files"
NO_DEFAULT_PATH
NO_CMAKE_PATH)
if(IPP_H_PATH)
set(IPP_FOUND 1)
# traverse up to IPPROOT level
get_filename_component(IPP_ROOT_DIR ${IPP_H_PATH} PATH)
# extract IPP version info
get_ipp_version(${IPP_ROOT_DIR})
# keep info in the same vars for auto search and search by IPPROOT
set(IPP_LATEST_VERSION_STR ${IPP_VERSION_STR})
set(IPP_LATEST_VERSION_MAJOR ${IPP_VERSION_MAJOR})
set(IPP_LATEST_VERSION_MINOR ${IPP_VERSION_MINOR})
set(IPP_LATEST_VERSION_BUILD ${IPP_VERSION_BUILD})
# set IPP INCLUDE, LIB dirs and library names
set_ipp_variables(${IPP_LATEST_VERSION_STR})
endif()
# ------------------------------------------------------------------------
# This section will look for IPP through IPPROOT env variable
# Note, IPPROOT is not set by IPP installer, you may need to set it manually
# ------------------------------------------------------------------------
find_path(
IPP_H_PATH
NAMES ippversion.h
PATHS $ENV{IPPROOT}
PATH_SUFFIXES include
DOC "The path to Intel(R) IPP header files"
NO_DEFAULT_PATH
NO_CMAKE_PATH)
if(IPP_H_PATH)
set(IPP_FOUND 1)
# traverse up to IPPROOT level
get_filename_component(IPP_ROOT_DIR ${IPP_H_PATH} PATH)
# extract IPP version info
get_ipp_version(${IPP_ROOT_DIR})
# keep info in the same vars for auto search and search by IPPROOT
set(IPP_LATEST_VERSION_STR ${IPP_VERSION_STR})
set(IPP_LATEST_VERSION_MAJOR ${IPP_VERSION_MAJOR})
set(IPP_LATEST_VERSION_MINOR ${IPP_VERSION_MINOR})
set(IPP_LATEST_VERSION_BUILD ${IPP_VERSION_BUILD})
# set IPP INCLUDE, LIB dirs and library names
set_ipp_variables(${IPP_LATEST_VERSION_STR})
endif()
if(IPP_FOUND)
return()
endif()
if(NOT IPP_FOUND)
# reset var from previous search
set(IPP_H_PATH)
......@@ -304,19 +299,38 @@ endfunction()
endforeach()
endif()
endforeach()
endif()
if(IPP_FOUND)
# set IPP INCLUDE, LIB dirs and library names
set_ipp_variables(${IPP_LATEST_VERSION_STR})
# set CACHE variable IPP_H_PATH,
# path to IPP header files for the latest version
find_path(
IPP_H_PATH
NAMES ippversion.h
PATHS ${IPP_ROOT_DIR}
PATH_SUFFIXES include
DOC "The path to Intel(R) IPP header files"
NO_DEFAULT_PATH
NO_CMAKE_PATH)
endif()
if(IPP_FOUND)
# set IPP INCLUDE, LIB dirs and library names
set_ipp_variables(${IPP_LATEST_VERSION_STR})
# set CACHE variable IPP_H_PATH,
# path to IPP header files for the latest version
find_path(
IPP_H_PATH
NAMES ippversion.h
PATHS ${IPP_ROOT_DIR}
PATH_SUFFIXES include
DOC "The path to Intel(R) IPP header files"
NO_DEFAULT_PATH
NO_CMAKE_PATH)
endif()
if(WIN32 AND MINGW AND NOT IPP_LATEST_VERSION_MAJOR LESS 7)
# Since IPP built with Microsoft compiler and /GS option
# ======================================================
# From Windows SDK 7.1
# (usually in "C:\Program Files\Microsoft Visual Studio 10.0\VC\lib"),
# to avoid undefined reference to __security_cookie and _chkstk:
set(MSV_RUNTMCHK "RunTmChk")
set(IPP_LIBRARIES ${IPP_LIBRARIES} ${MSV_RUNTMCHK}${IPP_LIB_SUFFIX})
# To avoid undefined reference to _alldiv and _chkstk
# ===================================================
# NB: it may require a recompilation of w32api (after having modified
# the file ntdll.def) to export the required functions
# See http://code.opencv.org/issues/1906 for additional details
set(MSV_NTDLL "ntdll")
set(IPP_LIBRARIES ${IPP_LIBRARIES} ${MSV_NTDLL}${IPP_LIB_SUFFIX})
endif()
\ No newline at end of file
modules/core/doc/basic_structures.rst
View file @ e1c4fd9e
......@@ -2324,6 +2324,7 @@ The class provides the following features for all derived classes:
Here is example of SIFT use in your application via Algorithm interface: ::
#include "opencv2/opencv.hpp"
#include "opencv2/nonfree/nonfree.hpp"
...
......@@ -2334,22 +2335,22 @@ Here is example of SIFT use in your application via Algorithm interface: ::
FileStorage fs("sift_params.xml", FileStorage::READ);
if( fs.isOpened() ) // if we have file with parameters, read them
{
sift.read(fs["sift_params"]);
sift->read(fs["sift_params"]);
fs.release();
}
else // else modify the parameters and store them; user can later edit the file to use different parameters
{
sift.set("contrastThreshold", 0.01f); // lower the contrast threshold, compared to the default value
sift->set("contrastThreshold", 0.01f); // lower the contrast threshold, compared to the default value
{
WriteStructContext ws(fs, "sift_params", CV_NODE_MAP);
sift.write(fs);
sift->write(fs);
}
}
Mat image = imread("myimage.png", 0), descriptors;
vector<KeyPoint> keypoints;
sift(image, noArray(), keypoints, descriptors);
(*sift)(image, noArray(), keypoints, descriptors);
Algorithm::get
......
modules/core/src/matrix.cpp
View file @ e1c4fd9e
......@@ -2897,8 +2897,16 @@ cvKMeans2( const CvArr* _samples, int cluster_count, CvArr* _labels,
namespace cv
{
Mat Mat::reshape(int, int, const int*) const
Mat Mat::reshape(int _cn, int _newndims, const int* _newsz) const
{
if(_newndims == dims)
{
if(_newsz == 0)
return reshape(_cn);
if(_newndims == 2)
return reshape(_cn, _newsz[0]);
}
CV_Error(CV_StsNotImplemented, "");
// TBD
return Mat();
......
modules/core/test/test_mat.cpp
View file @ e1c4fd9e
......@@ -861,3 +861,14 @@ TEST(Core_IOArray, submat_create)
EXPECT_THROW( OutputArray_create1(A.row(0)), cv::Exception );
EXPECT_THROW( OutputArray_create2(A.row(0)), cv::Exception );
}
TEST(Core_Mat, reshape_1942)
{
cv::Mat A = (cv::Mat_<float>(2,3) << 3.4884074, 1.4159607, 0.78737736, 2.3456569, -0.88010466, 0.3009364);
int cn = 0;
ASSERT_NO_THROW(
cv::Mat_<float> M = A.reshape(3);
cn = M.channels();
);
ASSERT_EQ(1, cn);
}
\ No newline at end of file
modules/highgui/src/cap_avfoundation.mm
View file @ e1c4fd9e
......@@ -381,9 +381,12 @@ int CvCaptureCAM::startCaptureDevice(int cameraNum) {
//TODO: add new interface for setting fps and capturing resolution.
[mCaptureDecompressedVideoOutput setVideoSettings:pixelBufferOptions];
mCaptureDecompressedVideoOutput.alwaysDiscardsLateVideoFrames = YES;
mCaptureDecompressedVideoOutput.minFrameDuration = CMTimeMake(1, 30);
mCaptureDecompressedVideoOutput.alwaysDiscardsLateVideoFrames = YES;
#if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
mCaptureDecompressedVideoOutput.minFrameDuration = CMTimeMake(1, 30);
#endif
//Slow. 1280*720 for iPhone4, iPod back camera. 640*480 for front camera
//mCaptureSession.sessionPreset = AVCaptureSessionPresetHigh; // fps ~= 5 slow for OpenCV
......@@ -1150,9 +1153,11 @@ CvVideoWriter_AVFoundation::CvVideoWriter_AVFoundation(const char* filename, int
fileType = [AVFileTypeMPEG4 copy];
}else if ([fileExt isEqualToString:@"m4v"]){
fileType = [AVFileTypeAppleM4V copy];
#if TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR
}else if ([fileExt isEqualToString:@"3gp"] || [fileExt isEqualToString:@"3gpp"] || [fileExt isEqualToString:@"sdv"] ){
fileType = [AVFileType3GPP copy];
}else{
#endif
} else{
fileType = [AVFileTypeMPEG4 copy]; //default mp4
}
[fileExt release];
......
modules/highgui/src/window_w32.cpp
View file @ e1c4fd9e
......@@ -47,6 +47,18 @@
#pragma warning( disable: 4710 )
#endif
#define COMPILE_MULTIMON_STUBS // Required for multi-monitor support
#if defined SM_CMONITORS && !defined MONITOR_DEFAULTTONEAREST
# define MONITOR_DEFAULTTONULL 0x00000000
# define MONITOR_DEFAULTTOPRIMARY 0x00000001
# define MONITOR_DEFAULTTONEAREST 0x00000002
# define MONITORINFOF_PRIMARY 0x00000001
#endif
#ifndef __inout
# define __inout
#endif
#include <MultiMon.h>
#include <commctrl.h>
#include <winuser.h>
#include <stdlib.h>
......@@ -420,7 +432,6 @@ double cvGetModeWindow_W32(const char* name)//YV
return result;
}
#ifdef MONITOR_DEFAULTTONEAREST
void cvSetModeWindow_W32( const char* name, double prop_value)//Yannick Verdie
{
CV_FUNCNAME( "cvSetModeWindow_W32" );
......@@ -484,11 +495,6 @@ void cvSetModeWindow_W32( const char* name, double prop_value)//Yannick Verdie
__END__;
}
#else
void cvSetModeWindow_W32( const char*, double)
{
}
#endif
double cvGetPropWindowAutoSize_W32(const char* name)
{
......@@ -1065,7 +1071,7 @@ CV_IMPL int cvNamedWindow( const char* name, int flags )
icvSetWindowLongPtr( hWnd, CV_USERDATA, window );
icvSetWindowLongPtr( mainhWnd, CV_USERDATA, window );
// Recalculate window position
// Recalculate window pos
icvUpdateWindowPos( window );
result = 1;
......@@ -1633,7 +1639,7 @@ MainWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
WINDOWPOS* pos = (WINDOWPOS*)lParam;
// Update the toolbar position/size
// Update the toolbar pos/size
if(window->toolbar.toolbar)
{
RECT rect;
......@@ -1647,6 +1653,36 @@ MainWindowProc( HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
break;
}
case WM_WINDOWPOSCHANGING:
{
// Snap window to screen edges with multi-monitor support. // Adi Shavit
LPWINDOWPOS pos = (LPWINDOWPOS)lParam;
RECT rect;
GetWindowRect(window->frame, &rect);
HMONITOR hMonitor;
hMonitor = MonitorFromRect(&rect, MONITOR_DEFAULTTONEAREST);
MONITORINFO mi;
mi.cbSize = sizeof(mi);
GetMonitorInfo(hMonitor, &mi);
const int SNAP_DISTANCE = 15;
if (abs(pos->x - mi.rcMonitor.left) <= SNAP_DISTANCE)
pos->x = mi.rcMonitor.left; // snap to left edge
else
if (abs(pos->x + pos->cx - mi.rcMonitor.right) <= SNAP_DISTANCE)
pos->x = mi.rcMonitor.right - pos->cx; // snap to right edge
if (abs(pos->y - mi.rcMonitor.top) <= SNAP_DISTANCE)
pos->y = mi.rcMonitor.top; // snap to top edge
else
if (abs(pos->y + pos->cy - mi.rcMonitor.bottom) <= SNAP_DISTANCE)
pos->y = mi.rcMonitor.bottom - pos->cy; // snap to bottom edge
}
case WM_ACTIVATE:
if(LOWORD(wParam) == WA_ACTIVE || LOWORD(wParam) == WA_CLICKACTIVE)
SetFocus(window->hwnd);
......@@ -2199,7 +2235,7 @@ icvCreateTrackbar( const char* trackbar_name, const char* window_name,
SendMessage(window->toolbar.toolbar, TB_SETBUTTONINFO,
(WPARAM)tbs.idCommand, (LPARAM)&tbis);
/* Get button position */
/* Get button pos */
SendMessage(window->toolbar.toolbar, TB_GETITEMRECT,
(WPARAM)tbs.idCommand, (LPARAM)&rect);
......
modules/imgproc/src/accum.cpp
View file @ e1c4fd9e
......@@ -272,7 +272,7 @@ accW_( const T* src, AT* dst, const uchar* mask, int len, int cn, double alpha )
if( mask[i] )
{
for( int k = 0; k < cn; k++ )
dst[k] += src[k]*a + dst[k]*b;
dst[k] = src[k]*a + dst[k]*b;
}
}
}
......
modules/imgproc/src/phasecorr.cpp
View file @ e1c4fd9e
......@@ -556,7 +556,7 @@ cv::Point2d cv::phaseCorrelate(InputArray _src1, InputArray _src2, InputArray _w
t = weightedCentroid(C, peakLoc, Size(5, 5));
// adjust shift relative to image center...
Point2d center((double)src1.cols / 2.0, (double)src1.rows / 2.0);
Point2d center((double)padded1.cols / 2.0, (double)padded1.rows / 2.0);
return (center - t);
}
......
modules/imgproc/src/utils.cpp
View file @ e1c4fd9e
......@@ -203,9 +203,6 @@ void cv::copyMakeBorder( InputArray _src, OutputArray _dst, int top, int bottom,
Mat src = _src.getMat();
CV_Assert( top >= 0 && bottom >= 0 && left >= 0 && right >= 0 );
_dst.create( src.rows + top + bottom, src.cols + left + right, src.type() );
Mat dst = _dst.getMat();
if( src.isSubmatrix() && (borderType & BORDER_ISOLATED) == 0 )
{
Size wholeSize;
......@@ -221,6 +218,16 @@ void cv::copyMakeBorder( InputArray _src, OutputArray _dst, int top, int bottom,
bottom -= dbottom;
right -= dright;
}
_dst.create( src.rows + top + bottom, src.cols + left + right, src.type() );
Mat dst = _dst.getMat();
if(top == 0 && left == 0 && bottom == 0 && right == 0)
{
if(src.data != dst.data)
src.copyTo(dst);
return;
}
borderType &= ~BORDER_ISOLATED;
......
modules/imgproc/test/test_pc.cpp
View file @ e1c4fd9e
......@@ -63,8 +63,8 @@ void CV_PhaseCorrelatorTest::run( int )
{
ts->set_failed_test_info(cvtest::TS::OK);
Mat r1 = Mat::ones(Size(128, 128), CV_64F);
Mat r2 = Mat::ones(Size(128, 128), CV_64F);
Mat r1 = Mat::ones(Size(129, 128), CV_64F);
Mat r2 = Mat::ones(Size(129, 128), CV_64F);
double expectedShiftX = -10.0;
double expectedShiftY = -20.0;
......
modules/video/include/opencv2/video/tracking.hpp
View file @ e1c4fd9e
......@@ -48,7 +48,7 @@
#define __OPENCV_TRACKING_HPP__
#include "opencv2/core/core.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include "opencv2/imgproc/imgproc.hpp"
#ifdef __cplusplus
extern "C" {
......@@ -303,16 +303,19 @@ enum
OPTFLOW_FARNEBACK_GAUSSIAN = 256
};
//! constructs a pyramid which can be used as input for calcOpticalFlowPyrLK
CV_EXPORTS_W int buildOpticalFlowPyramid(InputArray _img, OutputArrayOfArrays pyramid,
Size winSize, int maxLevel, bool withDerivatives = true,
int pyrBorder = BORDER_REFLECT_101, int derivBorder = BORDER_CONSTANT,
bool tryReuseInputImage = true);
//! computes sparse optical flow using multi-scale Lucas-Kanade algorithm
CV_EXPORTS_W void calcOpticalFlowPyrLK( InputArray prevImg, InputArray nextImg,
InputArray prevPts, CV_OUT InputOutputArray nextPts,
OutputArray status, OutputArray err,
Size winSize=Size(21,21), int maxLevel=3,
TermCriteria criteria=TermCriteria(
TermCriteria::COUNT+TermCriteria::EPS,
30, 0.01),
int flags=0,
double minEigThreshold=1e-4);
TermCriteria criteria=TermCriteria(TermCriteria::COUNT+TermCriteria::EPS, 30, 0.01),
int flags=0, double minEigThreshold=1e-4);
//! computes dense optical flow using Farneback algorithm
CV_EXPORTS_W void calcOpticalFlowFarneback( InputArray prev, InputArray next,
......
modules/video/perf/perf_optflowpyrlk.cpp
View file @ e1c4fd9e
......@@ -33,7 +33,7 @@ PERF_TEST_P(Path_Idx_Cn_NPoints_WSize, OpticalFlowPyrLK, testing::Combine(
testing::Range(0, 3),
testing::Values(1, 3, 4),
testing::Values(make_tuple(9, 9), make_tuple(15, 15)),
testing::Values(11, 21, 25)
testing::Values(7, 11, 21, 25)
)
)
{
......@@ -49,7 +49,7 @@ PERF_TEST_P(Path_Idx_Cn_NPoints_WSize, OpticalFlowPyrLK, testing::Combine(
int nPointsY = min(get<1>(get<3>(GetParam())), img1.rows);
int winSize = get<4>(GetParam());
int maxLevel = 2;
TermCriteria criteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS, 5, 0.01);
TermCriteria criteria(CV_TERMCRIT_ITER|CV_TERMCRIT_EPS, 7, 0.001);
int flags = 0;
double minEigThreshold = 1e-4;
......
modules/video/src/bgfg_gaussmix2.cpp
View file @ e1c4fd9e
......@@ -571,7 +571,7 @@ void BackgroundSubtractorMOG2::operator()(InputArray _image, OutputArray _fgmask
bgmodelUsedModes.data, nmixtures, (float)learningRate,
(float)varThreshold,
backgroundRatio, varThresholdGen,
fVarInit, fVarMin, fVarMax, fCT, fTau,
fVarInit, fVarMin, fVarMax, -learningRate*fCT, fTau,
bShadowDetection, nShadowDetection));
}
}
......
modules/video/src/lkpyramid.cpp
View file @ e1c4fd9e
This diff is collapsed.
modules/video/src/precomp.hpp
View file @ e1c4fd9e
......@@ -53,7 +53,7 @@
#include "opencv2/video/tracking.hpp"
#include "opencv2/video/background_segm.hpp"
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/imgproc/imgproc_c.h"
#include "opencv2/core/internal.hpp"
#ifdef HAVE_TEGRA_OPTIMIZATION
......
samples/android/15-puzzle/src/org/opencv/samples/puzzle15/SampleCvViewBase.java
View file @ e1c4fd9e
......@@ -26,13 +26,36 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
Log.i(TAG, "Instantiated new " + this.getClass());
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
synchronized (this) {
releaseCamera();
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (!mCamera.isOpened()) {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
return false;
}
}
return true;
}
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
synchronized (this) {
if (mCamera != null) {
mCamera.release();
mCamera = null;
}
}
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera("+width+", "+height+")");
synchronized (this) {
if (mCamera != null && mCamera.isOpened()) {
Log.i(TAG, "before mCamera.getSupportedPreviewSizes()");
List<Size> sizes = mCamera.getSupportedPreviewSizes();
Log.i(TAG, "after mCamera.getSupportedPreviewSizes()");
int mFrameWidth = width;
int mFrameHeight = height;
......@@ -52,28 +75,22 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
mCamera.set(Highgui.CV_CAP_PROP_FRAME_HEIGHT, mFrameHeight);
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (mCamera.isOpened()) {
(new Thread(this)).start();
} else {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
}
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
if (mCamera != null) {
synchronized (this) {
mCamera.release();
mCamera = null;
}
}
releaseCamera();
}
protected abstract Bitmap processFrame(VideoCapture capture);
......
samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15Activity.java
View file @ e1c4fd9e
package org.opencv.samples.puzzle15;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
......@@ -18,6 +20,31 @@ public class puzzle15Activity extends Activity {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
......
samples/android/15-puzzle/src/org/opencv/samples/puzzle15/puzzle15View.java
View file @ e1c4fd9e
......@@ -18,7 +18,7 @@ import android.view.View;
import android.view.View.OnTouchListener;
public class puzzle15View extends SampleCvViewBase implements OnTouchListener {
private Mat mRgba;
private Mat mRgba;
private Mat mRgba15;
private Mat[] mCells;
private Mat[] mCells15;
......@@ -45,13 +45,13 @@ public class puzzle15View extends SampleCvViewBase implements OnTouchListener {
}
@Override
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
super.surfaceChanged(_holder, format, width, height);
public void surfaceCreated(SurfaceHolder holder) {
synchronized (this) {
// initialize Mat before usage
mRgba = new Mat();
}
}
super.surfaceCreated(holder);
}
public static void shuffle(int[] array) {
for (int i = array.length; i > 1; i--) {
......@@ -185,7 +185,9 @@ public class puzzle15View extends SampleCvViewBase implements OnTouchListener {
}
public boolean onTouch(View v, MotionEvent event) {
int cols = mRgba.cols();
if(mRgba==null) return false;
int cols = mRgba.cols();
int rows = mRgba.rows();
float xoffset = (getWidth() - cols) / 2;
float yoffset = (getHeight() - rows) / 2;
......
samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionActivity.java
View file @ e1c4fd9e
package org.opencv.samples.colorblobdetect;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Window;
......@@ -15,6 +17,31 @@ public class ColorBlobDetectionActivity extends Activity {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
......
samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/ColorBlobDetectionView.java
View file @ e1c4fd9e
......@@ -56,12 +56,13 @@ public class ColorBlobDetectionView extends SampleCvViewBase implements OnTouchL
}
@Override
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
super.surfaceChanged(_holder, format, width, height);
public void surfaceCreated(SurfaceHolder holder) {
synchronized (this) {
// initialize Mat before usage
mRgba = new Mat();
}
super.surfaceCreated(holder);
}
public boolean onTouch(View v, MotionEvent event)
......
samples/android/color-blob-detection/src/org/opencv/samples/colorblobdetect/SampleCvViewBase.java
View file @ e1c4fd9e
......@@ -26,13 +26,36 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
Log.i(TAG, "Instantiated new " + this.getClass());
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
synchronized (this) {
releaseCamera();
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (!mCamera.isOpened()) {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
return false;
}
}
return true;
}
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
synchronized (this) {
if (mCamera != null) {
mCamera.release();
mCamera = null;
}
}
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera("+width+", "+height+")");
synchronized (this) {
if (mCamera != null && mCamera.isOpened()) {
Log.i(TAG, "before mCamera.getSupportedPreviewSizes()");
List<Size> sizes = mCamera.getSupportedPreviewSizes();
Log.i(TAG, "after mCamera.getSupportedPreviewSizes()");
int mFrameWidth = width;
int mFrameHeight = height;
......@@ -52,28 +75,22 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
mCamera.set(Highgui.CV_CAP_PROP_FRAME_HEIGHT, mFrameHeight);
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (mCamera.isOpened()) {
(new Thread(this)).start();
} else {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
}
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
if (mCamera != null) {
synchronized (this) {
mCamera.release();
mCamera = null;
}
}
releaseCamera();
}
protected abstract Bitmap processFrame(VideoCapture capture);
......
samples/android/face-detection/src/org/opencv/samples/fd/FdActivity.java
View file @ e1c4fd9e
package org.opencv.samples.fd;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
......@@ -14,6 +16,8 @@ public class FdActivity extends Activity {
private MenuItem mItemFace40;
private MenuItem mItemFace30;
private MenuItem mItemFace20;
private FdView mView;
public static float minFaceSize = 0.5f;
......@@ -21,13 +25,39 @@ public class FdActivity extends Activity {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(new FdView(this));
mView = new FdView(this);
setContentView(mView);
}
@Override
......
samples/android/face-detection/src/org/opencv/samples/fd/FdView.java
View file @ e1c4fd9e
......@@ -62,17 +62,17 @@ class FdView extends SampleCvViewBase {
}
@Override
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
super.surfaceChanged(_holder, format, width, height);
public void surfaceCreated(SurfaceHolder holder) {
synchronized (this) {
// initialize Mats before usage
mGray = new Mat();
mRgba = new Mat();
}
}
@Override
super.surfaceCreated(holder);
}
@Override
protected Bitmap processFrame(VideoCapture capture) {
capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);
......
samples/android/face-detection/src/org/opencv/samples/fd/SampleCvViewBase.java
View file @ e1c4fd9e
......@@ -28,13 +28,36 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
Log.i(TAG, "Instantiated new " + this.getClass());
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
synchronized (this) {
releaseCamera();
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (!mCamera.isOpened()) {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
return false;
}
}
return true;
}
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
synchronized (this) {
if (mCamera != null) {
mCamera.release();
mCamera = null;
}
}
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera("+width+", "+height+")");
synchronized (this) {
if (mCamera != null && mCamera.isOpened()) {
Log.i(TAG, "before mCamera.getSupportedPreviewSizes()");
List<Size> sizes = mCamera.getSupportedPreviewSizes();
Log.i(TAG, "after mCamera.getSupportedPreviewSizes()");
int mFrameWidth = width;
int mFrameHeight = height;
......@@ -54,28 +77,22 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
mCamera.set(Highgui.CV_CAP_PROP_FRAME_HEIGHT, mFrameHeight);
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (mCamera.isOpened()) {
(new Thread(this)).start();
} else {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
}
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
if (mCamera != null) {
synchronized (this) {
mCamera.release();
mCamera = null;
}
}
releaseCamera();
}
protected abstract Bitmap processFrame(VideoCapture capture);
......
samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsActivity.java
View file @ e1c4fd9e
package org.opencv.samples.imagemanipulations;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
......@@ -8,7 +10,8 @@ import android.view.MenuItem;
import android.view.Window;
public class ImageManipulationsActivity extends Activity {
private static final String TAG = "Sample::Activity";
private static final String TAG = "Sample-ImageManipulations::Activity";
public static final int VIEW_MODE_RGBA = 0;
public static final int VIEW_MODE_HIST = 1;
......@@ -29,18 +32,46 @@ public class ImageManipulationsActivity extends Activity {
private MenuItem mItemPreviewPosterize;
public static int viewMode = VIEW_MODE_RGBA;
private ImageManipulationsView mView;
public ImageManipulationsActivity() {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(new ImageManipulationsView(this));
mView = new ImageManipulationsView(this);
setContentView(mView);
}
@Override
......
samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/ImageManipulationsView.java
View file @ e1c4fd9e
......@@ -55,9 +55,7 @@ class ImageManipulationsView extends SampleCvViewBase {
}
@Override
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
super.surfaceChanged(_holder, format, width, height);
public void surfaceCreated(SurfaceHolder holder) {
synchronized (this) {
// initialize Mats before usage
mGray = new Mat();
......@@ -83,9 +81,11 @@ class ImageManipulationsView extends SampleCvViewBase {
mP1 = new Point();
mP2 = new Point();
}
}
private void CreateAuxiliaryMats() {
super.surfaceCreated(holder);
}
private void CreateAuxiliaryMats() {
if (mRgba.empty())
return;
......
samples/android/image-manipulations/src/org/opencv/samples/imagemanipulations/SampleCvViewBase.java
View file @ e1c4fd9e
......@@ -14,7 +14,7 @@ import android.view.SurfaceHolder;
import android.view.SurfaceView;
public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHolder.Callback, Runnable {
private static final String TAG = "Sample::SurfaceView";
private static final String TAG = "Sample-ImageManipulations::SurfaceView";
private SurfaceHolder mHolder;
private VideoCapture mCamera;
......@@ -28,13 +28,36 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
Log.i(TAG, "Instantiated new " + this.getClass());
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
synchronized (this) {
releaseCamera();
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (!mCamera.isOpened()) {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
return false;
}
}
return true;
}
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
synchronized (this) {
if (mCamera != null) {
mCamera.release();
mCamera = null;
}
}
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera("+width+", "+height+")");
synchronized (this) {
if (mCamera != null && mCamera.isOpened()) {
Log.i(TAG, "before mCamera.getSupportedPreviewSizes()");
List<Size> sizes = mCamera.getSupportedPreviewSizes();
Log.i(TAG, "after mCamera.getSupportedPreviewSizes()");
int mFrameWidth = width;
int mFrameHeight = height;
......@@ -54,28 +77,22 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
mCamera.set(Highgui.CV_CAP_PROP_FRAME_HEIGHT, mFrameHeight);
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (mCamera.isOpened()) {
(new Thread(this)).start();
} else {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
}
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
if (mCamera != null) {
synchronized (this) {
mCamera.release();
mCamera = null;
}
}
releaseCamera();
}
protected abstract Bitmap processFrame(VideoCapture capture);
......@@ -88,8 +105,10 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
Bitmap bmp = null;
synchronized (this) {
if (mCamera == null)
if (mCamera == null) {
Log.i(TAG, "mCamera == null");
break;
}
if (!mCamera.grab()) {
Log.e(TAG, "mCamera.grab() failed");
......
samples/android/tutorial-0-androidcamera/res/values/strings.xml
View file @ e1c4fd9e
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Tutorial 1 Basic - 0. Android Camera</string>
<string name="app_name">Tutorial 0 (Basic) - Android Camera</string>
</resources>
samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/Sample0Base.java
View file @ e1c4fd9e
package org.opencv.samples.tutorial0;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
......@@ -19,7 +21,32 @@ public class Sample0Base extends Activity {
Log.i(TAG, "Instantiated new " + this.getClass());
}
/** Called when the activity is first created. */
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate");
......
samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/Sample0View.java
View file @ e1c4fd9e
......@@ -62,7 +62,8 @@ class Sample0View extends SampleViewBase {
}
@Override
protected void onPreviewStared(int previewWidth, int previewHeight) {
protected void onPreviewStarted(int previewWidth, int previewHeight) {
Log.i(TAG, "onPreviewStarted("+previewWidth+", "+previewHeight+")");
/* Create a bitmap that will be used through to calculate the image to */
mBitmap = Bitmap.createBitmap(previewWidth, previewHeight, Bitmap.Config.ARGB_8888);
mRGBA = new int[previewWidth * previewHeight];
......@@ -70,12 +71,19 @@ class Sample0View extends SampleViewBase {
@Override
protected void onPreviewStopped() {
mBitmap.recycle();
mBitmap = null;
mRGBA = null;
Log.i(TAG, "onPreviewStopped");
if(mBitmap != null) {
mBitmap.recycle();
mBitmap = null;
}
if(mRGBA != null) {
mRGBA = null;
}
}
public void setViewMode(int viewMode) {
Log.i(TAG, "setViewMode("+viewMode+")");
mViewMode = viewMode;
}
}
\ No newline at end of file
samples/android/tutorial-0-androidcamera/src/org/opencv/samples/tutorial0/SampleViewBase.java
View file @ e1c4fd9e
......@@ -50,62 +50,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be coppied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStared(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
releaseCamera();
mCamera = Camera.open();
if(mCamera == null) {
Log.e(TAG, "Can't open camera!");
return false;
}
mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() {
public void onPreviewFrame(byte[] data, Camera camera) {
......@@ -116,15 +68,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
camera.addCallbackBuffer(mBuffer);
}
});
(new Thread(this)).start();
return true;
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
mThreadRun = false;
if (mCamera != null) {
synchronized (this) {
synchronized (this) {
if (mCamera != null) {
mCamera.stopPreview();
mCamera.setPreviewCallback(null);
mCamera.release();
......@@ -133,22 +84,92 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
}
onPreviewStopped();
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera");
synchronized (this) {
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be copied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
releaseCamera();
}
/* The bitmap returned by this method shall be owned by the child and released in onPreviewStopped() */
protected abstract Bitmap processFrame(byte[] data);
/**
* This method is called when the preview process is beeing started. It is called before the first frame delivered and processFrame is called
* This method is called when the preview process is being started. It is called before the first frame delivered and processFrame is called
* It is called with the width and height parameters of the preview process. It can be used to prepare the data needed during the frame processing.
* @param previewWidth - the width of the preview frames that will be delivered via processFrame
* @param previewHeight - the height of the preview frames that will be delivered via processFrame
*/
protected abstract void onPreviewStared(int previewWidtd, int previewHeight);
protected abstract void onPreviewStarted(int previewWidtd, int previewHeight);
/**
* This method is called when preview is stopped. When this method is called the preview stopped and all the processing of frames already completed.
* If the Bitmap object returned via processFrame is cached - it is a good time to recycle it.
* Any other resourcses used during the preview can be released.
* Any other resources used during the preview can be released.
*/
protected abstract void onPreviewStopped();
......@@ -175,5 +196,6 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
}
}
}
Log.i(TAG, "Finishing processing thread");
}
}
\ No newline at end of file
samples/android/tutorial-1-addopencv/res/values/strings.xml
View file @ e1c4fd9e
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Tutorial 1 Basic - 1. Add OpenCV</string>
<string name="app_name">Tutorial 1 (Basic) - Add OpenCV</string>
</resources>
samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1Java.java
View file @ e1c4fd9e
package org.opencv.samples.tutorial1;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
......@@ -19,6 +21,31 @@ public class Sample1Java extends Activity {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
......
samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/Sample1View.java
View file @ e1c4fd9e
......@@ -2,16 +2,15 @@ package org.opencv.samples.tutorial1;
import org.opencv.android.Utils;
import org.opencv.core.Core;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.core.Point;
import org.opencv.core.Scalar;
import org.opencv.core.CvType;
import org.opencv.imgproc.Imgproc;
import android.content.Context;
import android.graphics.Bitmap;
import android.util.Log;
import android.view.SurfaceHolder;
class Sample1View extends SampleViewBase {
......@@ -32,7 +31,7 @@ class Sample1View extends SampleViewBase {
}
@Override
protected void onPreviewStared(int previewWidth, int previewHeight) {
protected void onPreviewStarted(int previewWidth, int previewHeight) {
synchronized (this) {
// initialize Mats before usage
mYuv = new Mat(getFrameHeight() + getFrameHeight() / 2, getFrameWidth(), CvType.CV_8UC1);
......@@ -94,7 +93,7 @@ class Sample1View extends SampleViewBase {
try {
Utils.matToBitmap(mRgba, bmp);
} catch(Exception e) {
Log.e("org.opencv.samples.puzzle15", "Utils.matToBitmap() throws an exception: " + e.getMessage());
Log.e("org.opencv.samples.tutorial1", "Utils.matToBitmap() throws an exception: " + e.getMessage());
bmp.recycle();
bmp = null;
}
......
samples/android/tutorial-1-addopencv/src/org/opencv/samples/tutorial1/SampleViewBase.java
View file @ e1c4fd9e
......@@ -49,63 +49,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
mCamera.setPreviewDisplay(null);
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be coppied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStared(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
releaseCamera();
mCamera = Camera.open();
if(mCamera == null) {
Log.e(TAG, "Can't open camera!");
return false;
}
mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() {
public void onPreviewFrame(byte[] data, Camera camera) {
......@@ -116,15 +67,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
camera.addCallbackBuffer(mBuffer);
}
});
(new Thread(this)).start();
return true;
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
mThreadRun = false;
if (mCamera != null) {
synchronized (this) {
synchronized (this) {
if (mCamera != null) {
mCamera.stopPreview();
mCamera.setPreviewCallback(null);
mCamera.release();
......@@ -133,22 +83,92 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
}
onPreviewStopped();
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera");
synchronized (this) {
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be copied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
releaseCamera();
}
/* The bitmap returned by this method shall be owned by the child and released in onPreviewStopped() */
protected abstract Bitmap processFrame(byte[] data);
/**
* This method is called when the preview process is beeing started. It is called before the first frame delivered and processFrame is called
* This method is called when the preview process is being started. It is called before the first frame delivered and processFrame is called
* It is called with the width and height parameters of the preview process. It can be used to prepare the data needed during the frame processing.
* @param previewWidth - the width of the preview frames that will be delivered via processFrame
* @param previewHeight - the height of the preview frames that will be delivered via processFrame
*/
protected abstract void onPreviewStared(int previewWidtd, int previewHeight);
protected abstract void onPreviewStarted(int previewWidtd, int previewHeight);
/**
* This method is called when preview is stopped. When this method is called the preview stopped and all the processing of frames already completed.
* If the Bitmap object returned via processFrame is cached - it is a good time to recycle it.
* Any other resourcses used during the preview can be released.
* Any other resources used during the preview can be released.
*/
protected abstract void onPreviewStopped();
......
samples/android/tutorial-2-opencvcamera/res/values/strings.xml
View file @ e1c4fd9e
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Tutorial 1 Basic - 2. Use OpenCV Camera</string>
<string name="app_name">Tutorial 2 (Basic) - Use OpenCV Camera</string>
</resources>
samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2NativeCamera.java
View file @ e1c4fd9e
package org.opencv.samples.tutorial2;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
......@@ -19,18 +21,46 @@ public class Sample2NativeCamera extends Activity {
private MenuItem mItemPreviewCanny;
public static int viewMode = VIEW_MODE_RGBA;
private Sample2View mView;
public Sample2NativeCamera() {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(new Sample2View(this));
mView = new Sample2View(this);
setContentView(mView);
}
@Override
......
samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/Sample2View.java
View file @ e1c4fd9e
package org.opencv.samples.tutorial2;
import java.util.ArrayList;
import java.util.List;
import org.opencv.android.Utils;
import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.MatOfPoint;
import org.opencv.core.Point;
import org.opencv.core.Scalar;
import org.opencv.highgui.Highgui;
......@@ -22,36 +18,25 @@ class Sample2View extends SampleCvViewBase {
private Mat mRgba;
private Mat mGray;
private Mat mIntermediateMat;
private Mat mIntermediateMat2;
private Mat mEmpty;
private Scalar lo, hi;
private Scalar bl, wh;
public Sample2View(Context context) {
super(context);
}
@Override
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
super.surfaceChanged(_holder, format, width, height);
public void surfaceCreated(SurfaceHolder holder) {
synchronized (this) {
// initialize Mats before usage
mGray = new Mat();
mRgba = new Mat();
mIntermediateMat = new Mat();
mIntermediateMat2 = new Mat();
mEmpty = new Mat();
lo = new Scalar(85, 100, 30);
hi = new Scalar(130, 255, 255);
bl = new Scalar(0, 0, 0, 255);
wh = new Scalar(255, 255, 255, 255);
}
super.surfaceCreated(holder);
}
@Override
protected Bitmap processFrame(VideoCapture capture) {
/**/
switch (Sample2NativeCamera.viewMode) {
case Sample2NativeCamera.VIEW_MODE_GRAY:
capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);
......@@ -62,36 +47,11 @@ class Sample2View extends SampleCvViewBase {
Core.putText(mRgba, "OpenCV + Android", new Point(10, 100), 3, 2, new Scalar(255, 0, 0, 255), 3);
break;
case Sample2NativeCamera.VIEW_MODE_CANNY:
/*capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);
capture.retrieve(mGray, Highgui.CV_CAP_ANDROID_GREY_FRAME);
Imgproc.Canny(mGray, mIntermediateMat, 80, 100);
Imgproc.cvtColor(mIntermediateMat, mRgba, Imgproc.COLOR_GRAY2BGRA, 4);
*/
capture.retrieve(mRgba, Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGBA);
Imgproc.cvtColor(mRgba, mIntermediateMat, Imgproc.COLOR_RGB2HSV_FULL);
Core.inRange(mIntermediateMat, lo, hi, mIntermediateMat2); // green
Imgproc.dilate(mIntermediateMat2, mIntermediateMat2, mEmpty);
//
List<MatOfPoint> contours = new ArrayList<MatOfPoint>();
Mat hierarchy = new Mat();
Imgproc.findContours(mIntermediateMat2, contours, hierarchy,Imgproc.RETR_LIST, Imgproc.CHAIN_APPROX_SIMPLE);
Log.d("processFrame", "contours.size()" + contours.size());
double maxArea = 0;
int indexMaxArea = -1;
for (int i = 0; i < contours.size(); i++) {
double s = Imgproc.contourArea(contours.get(i));
if(s > maxArea){
indexMaxArea = i;
maxArea = s;
}
}
mRgba.setTo(bl);
Imgproc.drawContours(mRgba, contours, indexMaxArea, wh);
//
//Imgproc.cvtColor(mIntermediateMat2, mRgba, Imgproc.COLOR_GRAY2RGBA);
break;
}
/**/
Bitmap bmp = Bitmap.createBitmap(mRgba.cols(), mRgba.rows(), Bitmap.Config.ARGB_8888);
......@@ -99,7 +59,7 @@ class Sample2View extends SampleCvViewBase {
Utils.matToBitmap(mRgba, bmp);
return bmp;
} catch(Exception e) {
Log.e("org.opencv.samples.puzzle15", "Utils.matToBitmap() throws an exception: " + e.getMessage());
Log.e("org.opencv.samples.tutorial2", "Utils.matToBitmap() throws an exception: " + e.getMessage());
bmp.recycle();
return null;
}
......@@ -118,9 +78,6 @@ class Sample2View extends SampleCvViewBase {
if (mIntermediateMat != null)
mIntermediateMat.release();
if (mIntermediateMat2 != null)
mIntermediateMat2.release();
mRgba = null;
mGray = null;
mIntermediateMat = null;
......
samples/android/tutorial-2-opencvcamera/src/org/opencv/samples/tutorial2/SampleCvViewBase.java
View file @ e1c4fd9e
......@@ -26,13 +26,36 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
Log.i(TAG, "Instantiated new " + this.getClass());
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
synchronized (this) {
releaseCamera();
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (!mCamera.isOpened()) {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
return false;
}
}
return true;
}
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
synchronized (this) {
if (mCamera != null) {
mCamera.release();
mCamera = null;
}
}
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera("+width+", "+height+")");
synchronized (this) {
if (mCamera != null && mCamera.isOpened()) {
Log.i(TAG, "before mCamera.getSupportedPreviewSizes()");
List<Size> sizes = mCamera.getSupportedPreviewSizes();
Log.i(TAG, "after mCamera.getSupportedPreviewSizes()");
int mFrameWidth = width;
int mFrameHeight = height;
......@@ -52,28 +75,22 @@ public abstract class SampleCvViewBase extends SurfaceView implements SurfaceHol
mCamera.set(Highgui.CV_CAP_PROP_FRAME_HEIGHT, mFrameHeight);
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
mCamera = new VideoCapture(Highgui.CV_CAP_ANDROID);
if (mCamera.isOpened()) {
(new Thread(this)).start();
} else {
mCamera.release();
mCamera = null;
Log.e(TAG, "Failed to open native camera");
}
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
if (mCamera != null) {
synchronized (this) {
mCamera.release();
mCamera = null;
}
}
releaseCamera();
}
protected abstract Bitmap processFrame(VideoCapture capture);
......
samples/android/tutorial-3-native/res/values/strings.xml
View file @ e1c4fd9e
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Tutorial 2 Advanced - 1. Add Native OpenCV</string>
<string name="app_name">Tutorial 3 (Advanced) - Add Native OpenCV</string>
</resources>
samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3Native.java
View file @ e1c4fd9e
package org.opencv.samples.tutorial3;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Window;
public class Sample3Native extends Activity {
private static final String TAG = "Sample::Activity";
private Sample3View mView;
public Sample3Native() {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(new Sample3View(this));
mView = new Sample3View(this);
setContentView(mView);
}
}
samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/Sample3View.java
View file @ e1c4fd9e
......@@ -14,7 +14,7 @@ class Sample3View extends SampleViewBase {
}
@Override
protected void onPreviewStared(int previewWidtd, int previewHeight) {
protected void onPreviewStarted(int previewWidtd, int previewHeight) {
mFrameSize = previewWidtd * previewHeight;
mRGBA = new int[mFrameSize];
mBitmap = Bitmap.createBitmap(previewWidtd, previewHeight, Bitmap.Config.ARGB_8888);
......
samples/android/tutorial-3-native/src/org/opencv/samples/tutorial3/SampleViewBase.java
View file @ e1c4fd9e
......@@ -2,7 +2,6 @@ package org.opencv.samples.tutorial3;
import java.io.IOException;
import java.util.List;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
......@@ -49,62 +48,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
mCamera.setPreviewDisplay(null);
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be coppied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStared(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
releaseCamera();
mCamera = Camera.open();
if(mCamera == null) {
Log.e(TAG, "Can't open camera!");
return false;
}
mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() {
public void onPreviewFrame(byte[] data, Camera camera) {
......@@ -115,15 +66,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
camera.addCallbackBuffer(mBuffer);
}
});
(new Thread(this)).start();
return true;
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
mThreadRun = false;
if (mCamera != null) {
synchronized (this) {
synchronized (this) {
if (mCamera != null) {
mCamera.stopPreview();
mCamera.setPreviewCallback(null);
mCamera.release();
......@@ -132,22 +82,93 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
}
onPreviewStopped();
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera");
synchronized (this) {
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be copied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
releaseCamera();
}
/* The bitmap returned by this method shall be owned by the child and released in onPreviewStopped() */
protected abstract Bitmap processFrame(byte[] data);
/**
* This method is called when the preview process is beeing started. It is called before the first frame delivered and processFrame is called
* This method is called when the preview process is being started. It is called before the first frame delivered and processFrame is called
* It is called with the width and height parameters of the preview process. It can be used to prepare the data needed during the frame processing.
* @param previewWidth - the width of the preview frames that will be delivered via processFrame
* @param previewHeight - the height of the preview frames that will be delivered via processFrame
*/
protected abstract void onPreviewStared(int previewWidtd, int previewHeight);
protected abstract void onPreviewStarted(int previewWidtd, int previewHeight);
/**
* This method is called when preview is stopped. When this method is called the preview stopped and all the processing of frames already completed.
* If the Bitmap object returned via processFrame is cached - it is a good time to recycle it.
* Any other resourcses used during the preview can be released.
* Any other resources used during the preview can be released.
*/
protected abstract void onPreviewStopped();
......
samples/android/tutorial-4-mixed/res/values/strings.xml
View file @ e1c4fd9e
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Tutorial 2 Advanced - 2. Mix Java+Native OpenCV</string>
<string name="app_name">Tutorial 4 (Advanced) - Mix Java+Native OpenCV</string>
</resources>
samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4Mixed.java
View file @ e1c4fd9e
package org.opencv.samples.tutorial4;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
......@@ -21,6 +23,31 @@ public class Sample4Mixed extends Activity {
Log.i(TAG, "Instantiated new " + this.getClass());
}
@Override
protected void onPause() {
Log.i(TAG, "onPause");
super.onPause();
mView.releaseCamera();
}
@Override
protected void onResume() {
Log.i(TAG, "onResume");
super.onResume();
if( !mView.openCamera() ) {
AlertDialog ad = new AlertDialog.Builder(this).create();
ad.setCancelable(false); // This blocks the 'BACK' button
ad.setMessage("Fatal error: can't open camera!");
ad.setButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
finish();
}
});
ad.show();
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
......
samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/Sample4View.java
View file @ e1c4fd9e
package org.opencv.samples.tutorial4;
import org.opencv.android.Utils;
import org.opencv.core.Mat;
import org.opencv.core.CvType;
import org.opencv.core.Mat;
import org.opencv.imgproc.Imgproc;
import android.content.Context;
import android.graphics.Bitmap;
import android.util.Log;
import android.view.SurfaceHolder;
class Sample4View extends SampleViewBase {
......@@ -30,7 +29,7 @@ class Sample4View extends SampleViewBase {
}
@Override
protected void onPreviewStared(int previewWidtd, int previewHeight) {
protected void onPreviewStarted(int previewWidtd, int previewHeight) {
// initialize Mats before usage
mYuv = new Mat(getFrameHeight() + getFrameHeight() / 2, getFrameWidth(), CvType.CV_8UC1);
mGraySubmat = mYuv.submat(0, getFrameHeight(), 0, getFrameWidth());
......
samples/android/tutorial-4-mixed/src/org/opencv/samples/tutorial4/SampleViewBase.java
View file @ e1c4fd9e
......@@ -2,7 +2,6 @@ package org.opencv.samples.tutorial4;
import java.io.IOException;
import java.util.List;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
......@@ -49,62 +48,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
mCamera.setPreviewDisplay(null);
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be coppied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStared(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
public boolean openCamera() {
Log.i(TAG, "openCamera");
releaseCamera();
mCamera = Camera.open();
if(mCamera == null) {
Log.e(TAG, "Can't open camera!");
return false;
}
mCamera.setPreviewCallbackWithBuffer(new PreviewCallback() {
public void onPreviewFrame(byte[] data, Camera camera) {
......@@ -115,15 +66,14 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
camera.addCallbackBuffer(mBuffer);
}
});
(new Thread(this)).start();
return true;
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
public void releaseCamera() {
Log.i(TAG, "releaseCamera");
mThreadRun = false;
if (mCamera != null) {
synchronized (this) {
synchronized (this) {
if (mCamera != null) {
mCamera.stopPreview();
mCamera.setPreviewCallback(null);
mCamera.release();
......@@ -132,22 +82,94 @@ public abstract class SampleViewBase extends SurfaceView implements SurfaceHolde
}
onPreviewStopped();
}
public void setupCamera(int width, int height) {
Log.i(TAG, "setupCamera");
synchronized (this) {
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
int minDiff = Integer.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
List<String> FocusModes = params.getSupportedFocusModes();
if (FocusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO))
{
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
mCamera.setParameters(params);
/* Now allocate the buffer */
params = mCamera.getParameters();
int size = params.getPreviewSize().width * params.getPreviewSize().height;
size = size * ImageFormat.getBitsPerPixel(params.getPreviewFormat()) / 8;
mBuffer = new byte[size];
/* The buffer where the current frame will be copied */
mFrame = new byte [size];
mCamera.addCallbackBuffer(mBuffer);
try {
setPreview();
} catch (IOException e) {
Log.e(TAG, "mCamera.setPreviewDisplay/setPreviewTexture fails: " + e);
}
/* Notify that the preview is about to be started and deliver preview size */
onPreviewStarted(params.getPreviewSize().width, params.getPreviewSize().height);
/* Now we can start a preview */
mCamera.startPreview();
}
}
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceChanged");
setupCamera(width, height);
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
releaseCamera();
}
/* The bitmap returned by this method shall be owned by the child and released in onPreviewStopped() */
protected abstract Bitmap processFrame(byte[] data);
/**
* This method is called when the preview process is beeing started. It is called before the first frame delivered and processFrame is called
* This method is called when the preview process is being started. It is called before the first frame delivered and processFrame is called
* It is called with the width and height parameters of the preview process. It can be used to prepare the data needed during the frame processing.
* @param previewWidth - the width of the preview frames that will be delivered via processFrame
* @param previewHeight - the height of the preview frames that will be delivered via processFrame
*/
protected abstract void onPreviewStared(int previewWidtd, int previewHeight);
protected abstract void onPreviewStarted(int previewWidtd, int previewHeight);
/**
* This method is called when preview is stopped. When this method is called the preview stopped and all the processing of frames already completed.
* If the Bitmap object returned via processFrame is cached - it is a good time to recycle it.
* Any other resourcses used during the preview can be released.
* Any other resources used during the preview can be released.
*/
protected abstract void onPreviewStopped();
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment