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// Targeted by JavaCPP version 1.0
package org.bytedeco.javacpp;
import java.nio.*;
import org.bytedeco.javacpp.*;
import org.bytedeco.javacpp.annotation.*;
import static org.bytedeco.javacpp.opencv_core.*;
import static org.bytedeco.javacpp.opencv_imgproc.*;
import static org.bytedeco.javacpp.opencv_imgcodecs.*;
public class opencv_videoio extends org.bytedeco.javacpp.presets.opencv_videoio {
static { Loader.load(); }
// Parsed from
/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// Intel License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000, Intel Corporation, all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of Intel Corporation may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
// #ifndef __OPENCV_VIDEOIO_H__
// #define __OPENCV_VIDEOIO_H__
// #include "opencv2/core/core_c.h"
// #ifdef __cplusplus
// #endif /* __cplusplus */
/**
@addtogroup videoio_c
@{
*/
/****************************************************************************************\
* Working with Video Files and Cameras *
\****************************************************************************************/
/* "black box" capture structure */
@Opaque public static class CvCapture extends Pointer {
/** Empty constructor. */
public CvCapture() { }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public CvCapture(Pointer p) { super(p); }
}
/* start capturing frames from video file */
public static native CvCapture cvCreateFileCapture( @Cast("const char*") BytePointer filename );
public static native CvCapture cvCreateFileCapture( String filename );
/** enum */
public static final int
CV_CAP_ANY = 0, // autodetect
CV_CAP_MIL = 100, // MIL proprietary drivers
CV_CAP_VFW = 200, // platform native
CV_CAP_V4L = 200,
CV_CAP_V4L2 = 200,
CV_CAP_FIREWARE = 300, // IEEE 1394 drivers
CV_CAP_FIREWIRE = 300,
CV_CAP_IEEE1394 = 300,
CV_CAP_DC1394 = 300,
CV_CAP_CMU1394 = 300,
CV_CAP_STEREO = 400, // TYZX proprietary drivers
CV_CAP_TYZX = 400,
CV_TYZX_LEFT = 400,
CV_TYZX_RIGHT = 401,
CV_TYZX_COLOR = 402,
CV_TYZX_Z = 403,
CV_CAP_QT = 500, // QuickTime
CV_CAP_UNICAP = 600, // Unicap drivers
CV_CAP_DSHOW = 700, // DirectShow (via videoInput)
CV_CAP_MSMF = 1400, // Microsoft Media Foundation (via videoInput)
CV_CAP_PVAPI = 800, // PvAPI, Prosilica GigE SDK
CV_CAP_OPENNI = 900, // OpenNI (for Kinect)
CV_CAP_OPENNI_ASUS = 910, // OpenNI (for Asus Xtion)
CV_CAP_ANDROID = 1000, // Android - not used
CV_CAP_ANDROID_BACK = CV_CAP_ANDROID+99, // Android back camera - not used
CV_CAP_ANDROID_FRONT = CV_CAP_ANDROID+98, // Android front camera - not used
CV_CAP_XIAPI = 1100, // XIMEA Camera API
CV_CAP_AVFOUNDATION = 1200, // AVFoundation framework for iOS (OS X Lion will have the same API)
CV_CAP_GIGANETIX = 1300, // Smartek Giganetix GigEVisionSDK
CV_CAP_INTELPERC = 1500, // Intel Perceptual Computing
CV_CAP_OPENNI2 = 1600, // OpenNI2 (for Kinect)
CV_CAP_GPHOTO2 = 1700;
/* start capturing frames from camera: index = camera_index + domain_offset (CV_CAP_*) */
public static native CvCapture cvCreateCameraCapture( int index );
/* grab a frame, return 1 on success, 0 on fail.
this function is thought to be fast */
public static native int cvGrabFrame( CvCapture capture );
/* get the frame grabbed with cvGrabFrame(..)
This function may apply some frame processing like
frame decompression, flipping etc.
!!!DO NOT RELEASE or MODIFY the retrieved frame!!! */
public static native IplImage cvRetrieveFrame( CvCapture capture, int streamIdx/*=0*/ );
public static native IplImage cvRetrieveFrame( CvCapture capture );
/* Just a combination of cvGrabFrame and cvRetrieveFrame
!!!DO NOT RELEASE or MODIFY the retrieved frame!!! */
public static native IplImage cvQueryFrame( CvCapture capture );
/* stop capturing/reading and free resources */
public static native void cvReleaseCapture( @Cast("CvCapture**") PointerPointer capture );
public static native void cvReleaseCapture( @ByPtrPtr CvCapture capture );
/** enum */
public static final int
// modes of the controlling registers (can be: auto, manual, auto single push, absolute Latter allowed with any other mode)
// every feature can have only one mode turned on at a time
CV_CAP_PROP_DC1394_OFF = -4, //turn the feature off (not controlled manually nor automatically)
CV_CAP_PROP_DC1394_MODE_MANUAL = -3, //set automatically when a value of the feature is set by the user
CV_CAP_PROP_DC1394_MODE_AUTO = -2,
CV_CAP_PROP_DC1394_MODE_ONE_PUSH_AUTO = -1,
CV_CAP_PROP_POS_MSEC = 0,
CV_CAP_PROP_POS_FRAMES = 1,
CV_CAP_PROP_POS_AVI_RATIO = 2,
CV_CAP_PROP_FRAME_WIDTH = 3,
CV_CAP_PROP_FRAME_HEIGHT = 4,
CV_CAP_PROP_FPS = 5,
CV_CAP_PROP_FOURCC = 6,
CV_CAP_PROP_FRAME_COUNT = 7,
CV_CAP_PROP_FORMAT = 8,
CV_CAP_PROP_MODE = 9,
CV_CAP_PROP_BRIGHTNESS = 10,
CV_CAP_PROP_CONTRAST = 11,
CV_CAP_PROP_SATURATION = 12,
CV_CAP_PROP_HUE = 13,
CV_CAP_PROP_GAIN = 14,
CV_CAP_PROP_EXPOSURE = 15,
CV_CAP_PROP_CONVERT_RGB = 16,
CV_CAP_PROP_WHITE_BALANCE_BLUE_U = 17,
CV_CAP_PROP_RECTIFICATION = 18,
CV_CAP_PROP_MONOCHROME = 19,
CV_CAP_PROP_SHARPNESS = 20,
CV_CAP_PROP_AUTO_EXPOSURE = 21, // exposure control done by camera,
// user can adjust refernce level
// using this feature
CV_CAP_PROP_GAMMA = 22,
CV_CAP_PROP_TEMPERATURE = 23,
CV_CAP_PROP_TRIGGER = 24,
CV_CAP_PROP_TRIGGER_DELAY = 25,
CV_CAP_PROP_WHITE_BALANCE_RED_V = 26,
CV_CAP_PROP_ZOOM = 27,
CV_CAP_PROP_FOCUS = 28,
CV_CAP_PROP_GUID = 29,
CV_CAP_PROP_ISO_SPEED = 30,
CV_CAP_PROP_MAX_DC1394 = 31,
CV_CAP_PROP_BACKLIGHT = 32,
CV_CAP_PROP_PAN = 33,
CV_CAP_PROP_TILT = 34,
CV_CAP_PROP_ROLL = 35,
CV_CAP_PROP_IRIS = 36,
CV_CAP_PROP_SETTINGS = 37,
CV_CAP_PROP_BUFFERSIZE = 38,
CV_CAP_PROP_AUTOGRAB = 1024, // property for videoio class CvCapture_Android only
CV_CAP_PROP_SUPPORTED_PREVIEW_SIZES_STRING= 1025, // readonly, tricky property, returns cpnst char* indeed
CV_CAP_PROP_PREVIEW_FORMAT= 1026, // readonly, tricky property, returns cpnst char* indeed
// OpenNI map generators
CV_CAP_OPENNI_DEPTH_GENERATOR = 1 << 31,
CV_CAP_OPENNI_IMAGE_GENERATOR = 1 << 30,
CV_CAP_OPENNI_GENERATORS_MASK = CV_CAP_OPENNI_DEPTH_GENERATOR + CV_CAP_OPENNI_IMAGE_GENERATOR,
// Properties of cameras available through OpenNI interfaces
CV_CAP_PROP_OPENNI_OUTPUT_MODE = 100,
CV_CAP_PROP_OPENNI_FRAME_MAX_DEPTH = 101, // in mm
CV_CAP_PROP_OPENNI_BASELINE = 102, // in mm
CV_CAP_PROP_OPENNI_FOCAL_LENGTH = 103, // in pixels
CV_CAP_PROP_OPENNI_REGISTRATION = 104, // flag
CV_CAP_PROP_OPENNI_REGISTRATION_ON = CV_CAP_PROP_OPENNI_REGISTRATION, // flag that synchronizes the remapping depth map to image map
// by changing depth generator's view point (if the flag is "on") or
// sets this view point to its normal one (if the flag is "off").
CV_CAP_PROP_OPENNI_APPROX_FRAME_SYNC = 105,
CV_CAP_PROP_OPENNI_MAX_BUFFER_SIZE = 106,
CV_CAP_PROP_OPENNI_CIRCLE_BUFFER = 107,
CV_CAP_PROP_OPENNI_MAX_TIME_DURATION = 108,
CV_CAP_PROP_OPENNI_GENERATOR_PRESENT = 109,
CV_CAP_PROP_OPENNI2_SYNC = 110,
CV_CAP_PROP_OPENNI2_MIRROR = 111,
CV_CAP_OPENNI_IMAGE_GENERATOR_PRESENT = CV_CAP_OPENNI_IMAGE_GENERATOR + CV_CAP_PROP_OPENNI_GENERATOR_PRESENT,
CV_CAP_OPENNI_IMAGE_GENERATOR_OUTPUT_MODE = CV_CAP_OPENNI_IMAGE_GENERATOR + CV_CAP_PROP_OPENNI_OUTPUT_MODE,
CV_CAP_OPENNI_DEPTH_GENERATOR_BASELINE = CV_CAP_OPENNI_DEPTH_GENERATOR + CV_CAP_PROP_OPENNI_BASELINE,
CV_CAP_OPENNI_DEPTH_GENERATOR_FOCAL_LENGTH = CV_CAP_OPENNI_DEPTH_GENERATOR + CV_CAP_PROP_OPENNI_FOCAL_LENGTH,
CV_CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION = CV_CAP_OPENNI_DEPTH_GENERATOR + CV_CAP_PROP_OPENNI_REGISTRATION,
CV_CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION_ON = CV_CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION,
// Properties of cameras available through GStreamer interface
CV_CAP_GSTREAMER_QUEUE_LENGTH = 200, // default is 1
// PVAPI
CV_CAP_PROP_PVAPI_MULTICASTIP = 300, // ip for anable multicast master mode. 0 for disable multicast
CV_CAP_PROP_PVAPI_FRAMESTARTTRIGGERMODE = 301, // FrameStartTriggerMode: Determines how a frame is initiated
CV_CAP_PROP_PVAPI_DECIMATIONHORIZONTAL = 302, // Horizontal sub-sampling of the image
CV_CAP_PROP_PVAPI_DECIMATIONVERTICAL = 303, // Vertical sub-sampling of the image
CV_CAP_PROP_PVAPI_BINNINGX = 304, // Horizontal binning factor
CV_CAP_PROP_PVAPI_BINNINGY = 305, // Vertical binning factor
CV_CAP_PROP_PVAPI_PIXELFORMAT = 306, // Pixel format
// Properties of cameras available through XIMEA SDK interface
CV_CAP_PROP_XI_DOWNSAMPLING = 400, // Change image resolution by binning or skipping.
CV_CAP_PROP_XI_DATA_FORMAT = 401, // Output data format.
CV_CAP_PROP_XI_OFFSET_X = 402, // Horizontal offset from the origin to the area of interest (in pixels).
CV_CAP_PROP_XI_OFFSET_Y = 403, // Vertical offset from the origin to the area of interest (in pixels).
CV_CAP_PROP_XI_TRG_SOURCE = 404, // Defines source of trigger.
CV_CAP_PROP_XI_TRG_SOFTWARE = 405, // Generates an internal trigger. PRM_TRG_SOURCE must be set to TRG_SOFTWARE.
CV_CAP_PROP_XI_GPI_SELECTOR = 406, // Selects general purpose input
CV_CAP_PROP_XI_GPI_MODE = 407, // Set general purpose input mode
CV_CAP_PROP_XI_GPI_LEVEL = 408, // Get general purpose level
CV_CAP_PROP_XI_GPO_SELECTOR = 409, // Selects general purpose output
CV_CAP_PROP_XI_GPO_MODE = 410, // Set general purpose output mode
CV_CAP_PROP_XI_LED_SELECTOR = 411, // Selects camera signalling LED
CV_CAP_PROP_XI_LED_MODE = 412, // Define camera signalling LED functionality
CV_CAP_PROP_XI_MANUAL_WB = 413, // Calculates White Balance(must be called during acquisition)
CV_CAP_PROP_XI_AUTO_WB = 414, // Automatic white balance
CV_CAP_PROP_XI_AEAG = 415, // Automatic exposure/gain
CV_CAP_PROP_XI_EXP_PRIORITY = 416, // Exposure priority (0.5 - exposure 50%, gain 50%).
CV_CAP_PROP_XI_AE_MAX_LIMIT = 417, // Maximum limit of exposure in AEAG procedure
CV_CAP_PROP_XI_AG_MAX_LIMIT = 418, // Maximum limit of gain in AEAG procedure
CV_CAP_PROP_XI_AEAG_LEVEL = 419, // Average intensity of output signal AEAG should achieve(in %)
CV_CAP_PROP_XI_TIMEOUT = 420, // Image capture timeout in milliseconds
// Properties for Android cameras
CV_CAP_PROP_ANDROID_FLASH_MODE = 8001,
CV_CAP_PROP_ANDROID_FOCUS_MODE = 8002,
CV_CAP_PROP_ANDROID_WHITE_BALANCE = 8003,
CV_CAP_PROP_ANDROID_ANTIBANDING = 8004,
CV_CAP_PROP_ANDROID_FOCAL_LENGTH = 8005,
CV_CAP_PROP_ANDROID_FOCUS_DISTANCE_NEAR = 8006,
CV_CAP_PROP_ANDROID_FOCUS_DISTANCE_OPTIMAL = 8007,
CV_CAP_PROP_ANDROID_FOCUS_DISTANCE_FAR = 8008,
CV_CAP_PROP_ANDROID_EXPOSE_LOCK = 8009,
CV_CAP_PROP_ANDROID_WHITEBALANCE_LOCK = 8010,
// Properties of cameras available through AVFOUNDATION interface
CV_CAP_PROP_IOS_DEVICE_FOCUS = 9001,
CV_CAP_PROP_IOS_DEVICE_EXPOSURE = 9002,
CV_CAP_PROP_IOS_DEVICE_FLASH = 9003,
CV_CAP_PROP_IOS_DEVICE_WHITEBALANCE = 9004,
CV_CAP_PROP_IOS_DEVICE_TORCH = 9005,
// Properties of cameras available through Smartek Giganetix Ethernet Vision interface
/* --- Vladimir Litvinenko ([email protected]) --- */
CV_CAP_PROP_GIGA_FRAME_OFFSET_X = 10001,
CV_CAP_PROP_GIGA_FRAME_OFFSET_Y = 10002,
CV_CAP_PROP_GIGA_FRAME_WIDTH_MAX = 10003,
CV_CAP_PROP_GIGA_FRAME_HEIGH_MAX = 10004,
CV_CAP_PROP_GIGA_FRAME_SENS_WIDTH = 10005,
CV_CAP_PROP_GIGA_FRAME_SENS_HEIGH = 10006,
CV_CAP_PROP_INTELPERC_PROFILE_COUNT = 11001,
CV_CAP_PROP_INTELPERC_PROFILE_IDX = 11002,
CV_CAP_PROP_INTELPERC_DEPTH_LOW_CONFIDENCE_VALUE = 11003,
CV_CAP_PROP_INTELPERC_DEPTH_SATURATION_VALUE = 11004,
CV_CAP_PROP_INTELPERC_DEPTH_CONFIDENCE_THRESHOLD = 11005,
CV_CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_HORZ = 11006,
CV_CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_VERT = 11007,
// Intel PerC streams
CV_CAP_INTELPERC_DEPTH_GENERATOR = 1 << 29,
CV_CAP_INTELPERC_IMAGE_GENERATOR = 1 << 28,
CV_CAP_INTELPERC_GENERATORS_MASK = CV_CAP_INTELPERC_DEPTH_GENERATOR + CV_CAP_INTELPERC_IMAGE_GENERATOR;
// Generic camera output modes.
// Currently, these are supported through the libv4l interface only.
/** enum */
public static final int
CV_CAP_MODE_BGR = 0, // BGR24 (default)
CV_CAP_MODE_RGB = 1, // RGB24
CV_CAP_MODE_GRAY = 2, // Y8
CV_CAP_MODE_YUYV = 3; // YUYV
/** enum */
public static final int
// Data given from depth generator.
CV_CAP_OPENNI_DEPTH_MAP = 0, // Depth values in mm (CV_16UC1)
CV_CAP_OPENNI_POINT_CLOUD_MAP = 1, // XYZ in meters (CV_32FC3)
CV_CAP_OPENNI_DISPARITY_MAP = 2, // Disparity in pixels (CV_8UC1)
CV_CAP_OPENNI_DISPARITY_MAP_32F = 3, // Disparity in pixels (CV_32FC1)
CV_CAP_OPENNI_VALID_DEPTH_MASK = 4, // CV_8UC1
// Data given from RGB image generator.
CV_CAP_OPENNI_BGR_IMAGE = 5,
CV_CAP_OPENNI_GRAY_IMAGE = 6;
// Supported output modes of OpenNI image generator
/** enum */
public static final int
CV_CAP_OPENNI_VGA_30HZ = 0,
CV_CAP_OPENNI_SXGA_15HZ = 1,
CV_CAP_OPENNI_SXGA_30HZ = 2,
CV_CAP_OPENNI_QVGA_30HZ = 3,
CV_CAP_OPENNI_QVGA_60HZ = 4;
/** enum */
public static final int
CV_CAP_INTELPERC_DEPTH_MAP = 0, // Each pixel is a 16-bit integer. The value indicates the distance from an object to the camera's XY plane or the Cartesian depth.
CV_CAP_INTELPERC_UVDEPTH_MAP = 1, // Each pixel contains two 32-bit floating point values in the range of 0-1, representing the mapping of depth coordinates to the color coordinates.
CV_CAP_INTELPERC_IR_MAP = 2, // Each pixel is a 16-bit integer. The value indicates the intensity of the reflected laser beam.
CV_CAP_INTELPERC_IMAGE = 3;
// gPhoto2 properties, if propertyId is less than 0 then work on widget with that __additive inversed__ camera setting ID
// Get IDs by using CAP_PROP_GPHOTO2_WIDGET_ENUMERATE.
// @see CvCaptureCAM_GPHOTO2 for more info
/** enum */
public static final int
CV_CAP_PROP_GPHOTO2_PREVIEW = 17001, // Capture only preview from liveview mode.
CV_CAP_PROP_GPHOTO2_WIDGET_ENUMERATE = 17002, // Readonly, returns (const char *).
CV_CAP_PROP_GPHOTO2_RELOAD_CONFIG = 17003, // Trigger, only by set. Reload camera settings.
CV_CAP_PROP_GPHOTO2_RELOAD_ON_CHANGE = 17004, // Reload all settings on set.
CV_CAP_PROP_GPHOTO2_COLLECT_MSGS = 17005, // Collect messages with details.
CV_CAP_PROP_GPHOTO2_FLUSH_MSGS = 17006, // Readonly, returns (const char *).
CV_CAP_PROP_SPEED = 17007, // Exposure speed. Can be readonly, depends on camera program.
CV_CAP_PROP_APERTURE = 17008, // Aperture. Can be readonly, depends on camera program.
CV_CAP_PROP_EXPOSUREPROGRAM = 17009, // Camera exposure program.
CV_CAP_PROP_VIEWFINDER = 17010; // Enter liveview mode.
/* retrieve or set capture properties */
public static native double cvGetCaptureProperty( CvCapture capture, int property_id );
public static native int cvSetCaptureProperty( CvCapture capture, int property_id, double value );
// Return the type of the capturer (eg, CV_CAP_V4W, CV_CAP_UNICAP), which is unknown if created with CV_CAP_ANY
public static native int cvGetCaptureDomain( CvCapture capture);
/* "black box" video file writer structure */
@Opaque public static class CvVideoWriter extends Pointer {
/** Empty constructor. */
public CvVideoWriter() { }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public CvVideoWriter(Pointer p) { super(p); }
}
// #define CV_FOURCC_MACRO(c1, c2, c3, c4) (((c1) & 255) + (((c2) & 255) << 8) + (((c3) & 255) << 16) + (((c4) & 255) << 24))
public static native int CV_FOURCC(@Cast("char") byte c1, @Cast("char") byte c2, @Cast("char") byte c3, @Cast("char") byte c4);
public static final int CV_FOURCC_PROMPT = -1; /* Open Codec Selection Dialog (Windows only) */
public static native @MemberGetter int CV_FOURCC_DEFAULT();
public static final int CV_FOURCC_DEFAULT = CV_FOURCC_DEFAULT(); /* Use default codec for specified filename (Linux only) */
/* initialize video file writer */
public static native CvVideoWriter cvCreateVideoWriter( @Cast("const char*") BytePointer filename, int fourcc,
double fps, @ByVal CvSize frame_size,
int is_color/*=1*/);
public static native CvVideoWriter cvCreateVideoWriter( @Cast("const char*") BytePointer filename, int fourcc,
double fps, @ByVal CvSize frame_size);
public static native CvVideoWriter cvCreateVideoWriter( String filename, int fourcc,
double fps, @ByVal CvSize frame_size,
int is_color/*=1*/);
public static native CvVideoWriter cvCreateVideoWriter( String filename, int fourcc,
double fps, @ByVal CvSize frame_size);
/* write frame to video file */
public static native int cvWriteFrame( CvVideoWriter writer, @Const IplImage image );
/* close video file writer */
public static native void cvReleaseVideoWriter( @Cast("CvVideoWriter**") PointerPointer writer );
public static native void cvReleaseVideoWriter( @ByPtrPtr CvVideoWriter writer );
/****************************************************************************************\
* Obsolete functions/synonyms *
\****************************************************************************************/
public static native CvCapture cvCaptureFromFile(@Cast("const char*") BytePointer arg1);
public static native CvCapture cvCaptureFromFile(String arg1);
public static native CvCapture cvCaptureFromCAM(int arg1);
public static native CvCapture cvCaptureFromAVI(@Cast("const char*") BytePointer arg1);
public static native CvCapture cvCaptureFromAVI(String arg1);
public static native CvVideoWriter cvCreateAVIWriter(@Cast("const char*") BytePointer arg1, int arg2, double arg3, @ByVal CvSize arg4, int arg5);
public static native CvVideoWriter cvCreateAVIWriter(String arg1, int arg2, double arg3, @ByVal CvSize arg4, int arg5);
public static native int cvWriteToAVI(CvVideoWriter arg1, IplImage arg2);
/** @} videoio_c */
// #ifdef __cplusplus
// #endif
// #endif //__OPENCV_VIDEOIO_H__
// Parsed from
/*M///////////////////////////////////////////////////////////////////////////////////////
//
// IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
//
// By downloading, copying, installing or using the software you agree to this license.
// If you do not agree to this license, do not download, install,
// copy or use the software.
//
//
// License Agreement
// For Open Source Computer Vision Library
//
// Copyright (C) 2000-2008, Intel Corporation, all rights reserved.
// Copyright (C) 2009, Willow Garage Inc., all rights reserved.
// Third party copyrights are property of their respective owners.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistribution's of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistribution's in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * The name of the copyright holders may not be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// This software is provided by the copyright holders and contributors "as is" and
// any express or implied warranties, including, but not limited to, the implied
// warranties of merchantability and fitness for a particular purpose are disclaimed.
// In no event shall the Intel Corporation or contributors be liable for any direct,
// indirect, incidental, special, exemplary, or consequential damages
// (including, but not limited to, procurement of substitute goods or services;
// loss of use, data, or profits; or business interruption) however caused
// and on any theory of liability, whether in contract, strict liability,
// or tort (including negligence or otherwise) arising in any way out of
// the use of this software, even if advised of the possibility of such damage.
//
//M*/
// #ifndef __OPENCV_VIDEOIO_HPP__
// #define __OPENCV_VIDEOIO_HPP__
// #include "opencv2/core.hpp"
/**
@defgroup videoio Media I/O
@{
@defgroup videoio_c C API
@defgroup videoio_ios iOS glue
@defgroup videoio_winrt WinRT glue
@}
*/
////////////////////////////////// video io /////////////////////////////////
/** @addtogroup videoio
* @{ */
// Camera API
/** enum cv:: */
public static final int CAP_ANY = 0, // autodetect
CAP_VFW = 200, // platform native
CAP_V4L = 200,
CAP_V4L2 = CAP_V4L,
CAP_FIREWARE = 300, // IEEE 1394 drivers
CAP_FIREWIRE = CAP_FIREWARE,
CAP_IEEE1394 = CAP_FIREWARE,
CAP_DC1394 = CAP_FIREWARE,
CAP_CMU1394 = CAP_FIREWARE,
CAP_QT = 500, // QuickTime
CAP_UNICAP = 600, // Unicap drivers
CAP_DSHOW = 700, // DirectShow (via videoInput)
CAP_PVAPI = 800, // PvAPI, Prosilica GigE SDK
CAP_OPENNI = 900, // OpenNI (for Kinect)
CAP_OPENNI_ASUS = 910, // OpenNI (for Asus Xtion)
CAP_ANDROID = 1000, // Android - not used
CAP_XIAPI = 1100, // XIMEA Camera API
CAP_AVFOUNDATION = 1200, // AVFoundation framework for iOS (OS X Lion will have the same API)
CAP_GIGANETIX = 1300, // Smartek Giganetix GigEVisionSDK
CAP_MSMF = 1400, // Microsoft Media Foundation (via videoInput)
CAP_WINRT = 1410, // Microsoft Windows Runtime using Media Foundation
CAP_INTELPERC = 1500, // Intel Perceptual Computing SDK
CAP_OPENNI2 = 1600, // OpenNI2 (for Kinect)
CAP_OPENNI2_ASUS = 1610, // OpenNI2 (for Asus Xtion and Occipital Structure sensors)
CAP_GPHOTO2 = 1700; // gPhoto2 connection
// generic properties (based on DC1394 properties)
/** enum cv:: */
public static final int CAP_PROP_POS_MSEC = 0,
CAP_PROP_POS_FRAMES = 1,
CAP_PROP_POS_AVI_RATIO = 2,
CAP_PROP_FRAME_WIDTH = 3,
CAP_PROP_FRAME_HEIGHT = 4,
CAP_PROP_FPS = 5,
CAP_PROP_FOURCC = 6,
CAP_PROP_FRAME_COUNT = 7,
CAP_PROP_FORMAT = 8,
CAP_PROP_MODE = 9,
CAP_PROP_BRIGHTNESS = 10,
CAP_PROP_CONTRAST = 11,
CAP_PROP_SATURATION = 12,
CAP_PROP_HUE = 13,
CAP_PROP_GAIN = 14,
CAP_PROP_EXPOSURE = 15,
CAP_PROP_CONVERT_RGB = 16,
CAP_PROP_WHITE_BALANCE_BLUE_U = 17,
CAP_PROP_RECTIFICATION = 18,
CAP_PROP_MONOCHROME = 19,
CAP_PROP_SHARPNESS = 20,
CAP_PROP_AUTO_EXPOSURE = 21, // DC1394: exposure control done by camera, user can adjust refernce level using this feature
CAP_PROP_GAMMA = 22,
CAP_PROP_TEMPERATURE = 23,
CAP_PROP_TRIGGER = 24,
CAP_PROP_TRIGGER_DELAY = 25,
CAP_PROP_WHITE_BALANCE_RED_V = 26,
CAP_PROP_ZOOM = 27,
CAP_PROP_FOCUS = 28,
CAP_PROP_GUID = 29,
CAP_PROP_ISO_SPEED = 30,
CAP_PROP_BACKLIGHT = 32,
CAP_PROP_PAN = 33,
CAP_PROP_TILT = 34,
CAP_PROP_ROLL = 35,
CAP_PROP_IRIS = 36,
CAP_PROP_SETTINGS = 37;
// Generic camera output modes.
// Currently, these are supported through the libv4l interface only.
/** enum cv:: */
public static final int CAP_MODE_BGR = 0, // BGR24 (default)
CAP_MODE_RGB = 1, // RGB24
CAP_MODE_GRAY = 2, // Y8
CAP_MODE_YUYV = 3; // YUYV
// DC1394 only
// modes of the controlling registers (can be: auto, manual, auto single push, absolute Latter allowed with any other mode)
// every feature can have only one mode turned on at a time
/** enum cv:: */
public static final int CAP_PROP_DC1394_OFF = -4, //turn the feature off (not controlled manually nor automatically)
CAP_PROP_DC1394_MODE_MANUAL = -3, //set automatically when a value of the feature is set by the user
CAP_PROP_DC1394_MODE_AUTO = -2,
CAP_PROP_DC1394_MODE_ONE_PUSH_AUTO = -1,
CAP_PROP_DC1394_MAX = 31;
// OpenNI map generators
/** enum cv:: */
public static final int CAP_OPENNI_DEPTH_GENERATOR = 1 << 31,
CAP_OPENNI_IMAGE_GENERATOR = 1 << 30,
CAP_OPENNI_GENERATORS_MASK = CAP_OPENNI_DEPTH_GENERATOR + CAP_OPENNI_IMAGE_GENERATOR;
// Properties of cameras available through OpenNI interfaces
/** enum cv:: */
public static final int CAP_PROP_OPENNI_OUTPUT_MODE = 100,
CAP_PROP_OPENNI_FRAME_MAX_DEPTH = 101, // in mm
CAP_PROP_OPENNI_BASELINE = 102, // in mm
CAP_PROP_OPENNI_FOCAL_LENGTH = 103, // in pixels
CAP_PROP_OPENNI_REGISTRATION = 104, // flag that synchronizes the remapping depth map to image map
// by changing depth generator's view point (if the flag is "on") or
// sets this view point to its normal one (if the flag is "off").
CAP_PROP_OPENNI_REGISTRATION_ON = CAP_PROP_OPENNI_REGISTRATION,
CAP_PROP_OPENNI_APPROX_FRAME_SYNC = 105,
CAP_PROP_OPENNI_MAX_BUFFER_SIZE = 106,
CAP_PROP_OPENNI_CIRCLE_BUFFER = 107,
CAP_PROP_OPENNI_MAX_TIME_DURATION = 108,
CAP_PROP_OPENNI_GENERATOR_PRESENT = 109,
CAP_PROP_OPENNI2_SYNC = 110,
CAP_PROP_OPENNI2_MIRROR = 111;
// OpenNI shortcats
/** enum cv:: */
public static final int CAP_OPENNI_IMAGE_GENERATOR_PRESENT = CAP_OPENNI_IMAGE_GENERATOR + CAP_PROP_OPENNI_GENERATOR_PRESENT,
CAP_OPENNI_IMAGE_GENERATOR_OUTPUT_MODE = CAP_OPENNI_IMAGE_GENERATOR + CAP_PROP_OPENNI_OUTPUT_MODE,
CAP_OPENNI_DEPTH_GENERATOR_BASELINE = CAP_OPENNI_DEPTH_GENERATOR + CAP_PROP_OPENNI_BASELINE,
CAP_OPENNI_DEPTH_GENERATOR_FOCAL_LENGTH = CAP_OPENNI_DEPTH_GENERATOR + CAP_PROP_OPENNI_FOCAL_LENGTH,
CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION = CAP_OPENNI_DEPTH_GENERATOR + CAP_PROP_OPENNI_REGISTRATION,
CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION_ON = CAP_OPENNI_DEPTH_GENERATOR_REGISTRATION;
// OpenNI data given from depth generator
/** enum cv:: */
public static final int CAP_OPENNI_DEPTH_MAP = 0, // Depth values in mm (CV_16UC1)
CAP_OPENNI_POINT_CLOUD_MAP = 1, // XYZ in meters (CV_32FC3)
CAP_OPENNI_DISPARITY_MAP = 2, // Disparity in pixels (CV_8UC1)
CAP_OPENNI_DISPARITY_MAP_32F = 3, // Disparity in pixels (CV_32FC1)
CAP_OPENNI_VALID_DEPTH_MASK = 4, // CV_8UC1
// Data given from RGB image generator
CAP_OPENNI_BGR_IMAGE = 5,
CAP_OPENNI_GRAY_IMAGE = 6;
// Supported output modes of OpenNI image generator
/** enum cv:: */
public static final int CAP_OPENNI_VGA_30HZ = 0,
CAP_OPENNI_SXGA_15HZ = 1,
CAP_OPENNI_SXGA_30HZ = 2,
CAP_OPENNI_QVGA_30HZ = 3,
CAP_OPENNI_QVGA_60HZ = 4;
// GStreamer
/** enum cv:: */
public static final int CAP_PROP_GSTREAMER_QUEUE_LENGTH = 200; // default is 1
// PVAPI
/** enum cv:: */
public static final int CAP_PROP_PVAPI_MULTICASTIP = 300, // ip for anable multicast master mode. 0 for disable multicast
CAP_PROP_PVAPI_FRAMESTARTTRIGGERMODE = 301, // FrameStartTriggerMode: Determines how a frame is initiated
CAP_PROP_PVAPI_DECIMATIONHORIZONTAL = 302, // Horizontal sub-sampling of the image
CAP_PROP_PVAPI_DECIMATIONVERTICAL = 303, // Vertical sub-sampling of the image
CAP_PROP_PVAPI_BINNINGX = 304, // Horizontal binning factor
CAP_PROP_PVAPI_BINNINGY = 305, // Vertical binning factor
CAP_PROP_PVAPI_PIXELFORMAT = 306; // Pixel format
// PVAPI: FrameStartTriggerMode
/** enum cv:: */
public static final int CAP_PVAPI_FSTRIGMODE_FREERUN = 0, // Freerun
CAP_PVAPI_FSTRIGMODE_SYNCIN1 = 1, // SyncIn1
CAP_PVAPI_FSTRIGMODE_SYNCIN2 = 2, // SyncIn2
CAP_PVAPI_FSTRIGMODE_FIXEDRATE = 3, // FixedRate
CAP_PVAPI_FSTRIGMODE_SOFTWARE = 4; // Software
// PVAPI: DecimationHorizontal, DecimationVertical
/** enum cv:: */
public static final int CAP_PVAPI_DECIMATION_OFF = 1, // Off
CAP_PVAPI_DECIMATION_2OUTOF4 = 2, // 2 out of 4 decimation
CAP_PVAPI_DECIMATION_2OUTOF8 = 4, // 2 out of 8 decimation
CAP_PVAPI_DECIMATION_2OUTOF16 = 8; // 2 out of 16 decimation
// PVAPI: PixelFormat
/** enum cv:: */
public static final int CAP_PVAPI_PIXELFORMAT_MONO8 = 1, // Mono8
CAP_PVAPI_PIXELFORMAT_MONO16 = 2, // Mono16
CAP_PVAPI_PIXELFORMAT_BAYER8 = 3, // Bayer8
CAP_PVAPI_PIXELFORMAT_BAYER16 = 4, // Bayer16
CAP_PVAPI_PIXELFORMAT_RGB24 = 5, // Rgb24
CAP_PVAPI_PIXELFORMAT_BGR24 = 6, // Bgr24
CAP_PVAPI_PIXELFORMAT_RGBA32 = 7, // Rgba32
CAP_PVAPI_PIXELFORMAT_BGRA32 = 8; // Bgra32
// Properties of cameras available through XIMEA SDK interface
/** enum cv:: */
public static final int CAP_PROP_XI_DOWNSAMPLING = 400, // Change image resolution by binning or skipping.
CAP_PROP_XI_DATA_FORMAT = 401, // Output data format.
CAP_PROP_XI_OFFSET_X = 402, // Horizontal offset from the origin to the area of interest (in pixels).
CAP_PROP_XI_OFFSET_Y = 403, // Vertical offset from the origin to the area of interest (in pixels).
CAP_PROP_XI_TRG_SOURCE = 404, // Defines source of trigger.
CAP_PROP_XI_TRG_SOFTWARE = 405, // Generates an internal trigger. PRM_TRG_SOURCE must be set to TRG_SOFTWARE.
CAP_PROP_XI_GPI_SELECTOR = 406, // Selects general purpose input
CAP_PROP_XI_GPI_MODE = 407, // Set general purpose input mode
CAP_PROP_XI_GPI_LEVEL = 408, // Get general purpose level
CAP_PROP_XI_GPO_SELECTOR = 409, // Selects general purpose output
CAP_PROP_XI_GPO_MODE = 410, // Set general purpose output mode
CAP_PROP_XI_LED_SELECTOR = 411, // Selects camera signalling LED
CAP_PROP_XI_LED_MODE = 412, // Define camera signalling LED functionality
CAP_PROP_XI_MANUAL_WB = 413, // Calculates White Balance(must be called during acquisition)
CAP_PROP_XI_AUTO_WB = 414, // Automatic white balance
CAP_PROP_XI_AEAG = 415, // Automatic exposure/gain
CAP_PROP_XI_EXP_PRIORITY = 416, // Exposure priority (0.5 - exposure 50%, gain 50%).
CAP_PROP_XI_AE_MAX_LIMIT = 417, // Maximum limit of exposure in AEAG procedure
CAP_PROP_XI_AG_MAX_LIMIT = 418, // Maximum limit of gain in AEAG procedure
CAP_PROP_XI_AEAG_LEVEL = 419, // Average intensity of output signal AEAG should achieve(in %)
CAP_PROP_XI_TIMEOUT = 420; // Image capture timeout in milliseconds
// Properties of cameras available through AVFOUNDATION interface
/** enum cv:: */
public static final int CAP_PROP_IOS_DEVICE_FOCUS = 9001,
CAP_PROP_IOS_DEVICE_EXPOSURE = 9002,
CAP_PROP_IOS_DEVICE_FLASH = 9003,
CAP_PROP_IOS_DEVICE_WHITEBALANCE = 9004,
CAP_PROP_IOS_DEVICE_TORCH = 9005;
// Properties of cameras available through Smartek Giganetix Ethernet Vision interface
/* --- Vladimir Litvinenko ([email protected]) --- */
/** enum cv:: */
public static final int CAP_PROP_GIGA_FRAME_OFFSET_X = 10001,
CAP_PROP_GIGA_FRAME_OFFSET_Y = 10002,
CAP_PROP_GIGA_FRAME_WIDTH_MAX = 10003,
CAP_PROP_GIGA_FRAME_HEIGH_MAX = 10004,
CAP_PROP_GIGA_FRAME_SENS_WIDTH = 10005,
CAP_PROP_GIGA_FRAME_SENS_HEIGH = 10006;
/** enum cv:: */
public static final int CAP_PROP_INTELPERC_PROFILE_COUNT = 11001,
CAP_PROP_INTELPERC_PROFILE_IDX = 11002,
CAP_PROP_INTELPERC_DEPTH_LOW_CONFIDENCE_VALUE = 11003,
CAP_PROP_INTELPERC_DEPTH_SATURATION_VALUE = 11004,
CAP_PROP_INTELPERC_DEPTH_CONFIDENCE_THRESHOLD = 11005,
CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_HORZ = 11006,
CAP_PROP_INTELPERC_DEPTH_FOCAL_LENGTH_VERT = 11007;
// Intel PerC streams
/** enum cv:: */
public static final int CAP_INTELPERC_DEPTH_GENERATOR = 1 << 29,
CAP_INTELPERC_IMAGE_GENERATOR = 1 << 28,
CAP_INTELPERC_GENERATORS_MASK = CAP_INTELPERC_DEPTH_GENERATOR + CAP_INTELPERC_IMAGE_GENERATOR;
/** enum cv:: */
public static final int CAP_INTELPERC_DEPTH_MAP = 0, // Each pixel is a 16-bit integer. The value indicates the distance from an object to the camera's XY plane or the Cartesian depth.
CAP_INTELPERC_UVDEPTH_MAP = 1, // Each pixel contains two 32-bit floating point values in the range of 0-1, representing the mapping of depth coordinates to the color coordinates.
CAP_INTELPERC_IR_MAP = 2, // Each pixel is a 16-bit integer. The value indicates the intensity of the reflected laser beam.
CAP_INTELPERC_IMAGE = 3;
/** enum cv:: */
public static final int VIDEOWRITER_PROP_QUALITY = 1, // Quality (0..100%) of the videostream encoded
VIDEOWRITER_PROP_FRAMEBYTES = 2; // (Read-only): Size of just encoded video frame
// gPhoto2 properties, if propertyId is less than 0 then work on widget with that __additive inversed__ camera setting ID
// Get IDs by using CAP_PROP_GPHOTO2_WIDGET_ENUMERATE.
// @see CvCaptureCAM_GPHOTO2 for more info
/** enum cv:: */
public static final int CAP_PROP_GPHOTO2_PREVIEW = 17001, // Capture only preview from liveview mode.
CAP_PROP_GPHOTO2_WIDGET_ENUMERATE = 17002, // Readonly, returns (const char *).
CAP_PROP_GPHOTO2_RELOAD_CONFIG = 17003, // Trigger, only by set. Reload camera settings.
CAP_PROP_GPHOTO2_RELOAD_ON_CHANGE = 17004, // Reload all settings on set.
CAP_PROP_GPHOTO2_COLLECT_MSGS = 17005, // Collect messages with details.
CAP_PROP_GPHOTO2_FLUSH_MSGS = 17006, // Readonly, returns (const char *).
CAP_PROP_SPEED = 17007, // Exposure speed. Can be readonly, depends on camera program.
CAP_PROP_APERTURE = 17008, // Aperture. Can be readonly, depends on camera program.
CAP_PROP_EXPOSUREPROGRAM = 17009, // Camera exposure program.
CAP_PROP_VIEWFINDER = 17010; // Enter liveview mode.
//enum {
@Namespace("cv") @Opaque public static class IVideoCapture extends Pointer {
/** Empty constructor. */
public IVideoCapture() { }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public IVideoCapture(Pointer p) { super(p); }
}
/** @brief Class for video capturing from video files, image sequences or cameras. The class provides C++ API
for capturing video from cameras or for reading video files and image sequences. Here is how the
class can be used: :
@code
#include "opencv2/opencv.hpp"
using namespace cv;
int main(int, char**)
{
VideoCapture cap(0); // open the default camera
if(!cap.isOpened()) // check if we succeeded
return -1;
Mat edges;
namedWindow("edges",1);
for(;;)
{
Mat frame;
cap >> frame; // get a new frame from camera
cvtColor(frame, edges, COLOR_BGR2GRAY);
GaussianBlur(edges, edges, Size(7,7), 1.5, 1.5);
Canny(edges, edges, 0, 30, 3);
imshow("edges", edges);
if(waitKey(30) >= 0) break;
}
// the camera will be deinitialized automatically in VideoCapture destructor
return 0;
}
@endcode
@note In C API the black-box structure CvCapture is used instead of VideoCapture.
@note
- A basic sample on using the VideoCapture interface can be found at
opencv_source_code/samples/cpp/starter_video.cpp
- Another basic video processing sample can be found at
opencv_source_code/samples/cpp/video_dmtx.cpp
- (Python) A basic sample on using the VideoCapture interface can be found at
opencv_source_code/samples/python2/video.py
- (Python) Another basic video processing sample can be found at
opencv_source_code/samples/python2/video_dmtx.py
- (Python) A multi threaded video processing sample can be found at
opencv_source_code/samples/python2/video_threaded.py
*/
@Namespace("cv") @NoOffset public static class VideoCapture extends Pointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public VideoCapture(Pointer p) { super(p); }
/** @brief
@note In C API, when you finished working with video, release CvCapture structure with
cvReleaseCapture(), or use Ptr\ that calls cvReleaseCapture() automatically in the
destructor.
*/
public VideoCapture() { allocate(); }
private native void allocate();
/** @overload
@param filename name of the opened video file (eg. video.avi) or image sequence (eg.
img_%02d.jpg, which will read samples like img_00.jpg, img_01.jpg, img_02.jpg, ...)
*/
public VideoCapture(@Str BytePointer filename) { allocate(filename); }
private native void allocate(@Str BytePointer filename);
public VideoCapture(@Str String filename) { allocate(filename); }
private native void allocate(@Str String filename);
/** @overload
@param device id of the opened video capturing device (i.e. a camera index). If there is a single
camera connected, just pass 0.
*/
public VideoCapture(int device) { allocate(device); }
private native void allocate(int device);
/** @brief Open video file or a capturing device for video capturing
@param filename name of the opened video file (eg. video.avi) or image sequence (eg.
img_%02d.jpg, which will read samples like img_00.jpg, img_01.jpg, img_02.jpg, ...)
The methods first call VideoCapture::release to close the already opened file or camera.
*/
public native @Cast("bool") boolean open(@Str BytePointer filename);
public native @Cast("bool") boolean open(@Str String filename);
/** @overload
@param device id of the opened video capturing device (i.e. a camera index).
*/
public native @Cast("bool") boolean open(int device);
/** @brief Returns true if video capturing has been initialized already.
If the previous call to VideoCapture constructor or VideoCapture::open succeeded, the method returns
true.
*/
public native @Cast("bool") boolean isOpened();
/** @brief Closes video file or capturing device.
The methods are automatically called by subsequent VideoCapture::open and by VideoCapture
destructor.
The C function also deallocates memory and clears \*capture pointer.
*/
public native void release();
/** @brief Grabs the next frame from video file or capturing device.
The methods/functions grab the next frame from video file or camera and return true (non-zero) in
the case of success.
The primary use of the function is in multi-camera environments, especially when the cameras do not
have hardware synchronization. That is, you call VideoCapture::grab() for each camera and after that
call the slower method VideoCapture::retrieve() to decode and get frame from each camera. This way
the overhead on demosaicing or motion jpeg decompression etc. is eliminated and the retrieved frames
from different cameras will be closer in time.
Also, when a connected camera is multi-head (for example, a stereo camera or a Kinect device), the
correct way of retrieving data from it is to call VideoCapture::grab first and then call
VideoCapture::retrieve one or more times with different values of the channel parameter. See
*/
public native @Cast("bool") boolean grab();
/** @brief Decodes and returns the grabbed video frame.
The methods/functions decode and return the just grabbed frame. If no frames has been grabbed
(camera has been disconnected, or there are no more frames in video file), the methods return false
and the functions return NULL pointer.
@note OpenCV 1.x functions cvRetrieveFrame and cv.RetrieveFrame return image stored inside the video
capturing structure. It is not allowed to modify or release the image! You can copy the frame using
:ocvcvCloneImage and then do whatever you want with the copy.
*/
public native @Cast("bool") boolean retrieve(@ByVal Mat image, int flag/*=0*/);
public native @Cast("bool") boolean retrieve(@ByVal Mat image);
public native @ByRef @Name("operator>>") VideoCapture shiftRight(@ByRef Mat image);
public native @ByRef @Name("operator>>") VideoCapture shiftRight(@ByRef UMat image);
/** @brief Grabs, decodes and returns the next video frame.
The methods/functions combine VideoCapture::grab and VideoCapture::retrieve in one call. This is the
most convenient method for reading video files or capturing data from decode and return the just
grabbed frame. If no frames has been grabbed (camera has been disconnected, or there are no more
frames in video file), the methods return false and the functions return NULL pointer.
@note OpenCV 1.x functions cvRetrieveFrame and cv.RetrieveFrame return image stored inside the video
capturing structure. It is not allowed to modify or release the image! You can copy the frame using
:ocvcvCloneImage and then do whatever you want with the copy.
*/
public native @Cast("bool") boolean read(@ByVal Mat image);
/** @brief Sets a property in the VideoCapture.
@param propId Property identifier. It can be one of the following:
- **CAP_PROP_POS_MSEC** Current position of the video file in milliseconds.
- **CAP_PROP_POS_FRAMES** 0-based index of the frame to be decoded/captured next.
- **CAP_PROP_POS_AVI_RATIO** Relative position of the video file: 0 - start of the
film, 1 - end of the film.
- **CAP_PROP_FRAME_WIDTH** Width of the frames in the video stream.
- **CAP_PROP_FRAME_HEIGHT** Height of the frames in the video stream.
- **CAP_PROP_FPS** Frame rate.
- **CAP_PROP_FOURCC** 4-character code of codec.
- **CAP_PROP_FRAME_COUNT** Number of frames in the video file.
- **CAP_PROP_FORMAT** Format of the Mat objects returned by retrieve() .
- **CAP_PROP_MODE** Backend-specific value indicating the current capture mode.
- **CAP_PROP_BRIGHTNESS** Brightness of the image (only for cameras).
- **CAP_PROP_CONTRAST** Contrast of the image (only for cameras).
- **CAP_PROP_SATURATION** Saturation of the image (only for cameras).
- **CAP_PROP_HUE** Hue of the image (only for cameras).
- **CAP_PROP_GAIN** Gain of the image (only for cameras).
- **CAP_PROP_EXPOSURE** Exposure (only for cameras).
- **CAP_PROP_CONVERT_RGB** Boolean flags indicating whether images should be converted
to RGB.
- **CAP_PROP_WHITE_BALANCE** Currently unsupported
- **CAP_PROP_RECTIFICATION** Rectification flag for stereo cameras (note: only supported
by DC1394 v 2.x backend currently)
@param value Value of the property.
*/
public native @Cast("bool") boolean set(int propId, double value);
/** @brief Returns the specified VideoCapture property
@param propId Property identifier. It can be one of the following:
- **CAP_PROP_POS_MSEC** Current position of the video file in milliseconds or video
capture timestamp.
- **CAP_PROP_POS_FRAMES** 0-based index of the frame to be decoded/captured next.
- **CAP_PROP_POS_AVI_RATIO** Relative position of the video file: 0 - start of the
film, 1 - end of the film.
- **CAP_PROP_FRAME_WIDTH** Width of the frames in the video stream.
- **CAP_PROP_FRAME_HEIGHT** Height of the frames in the video stream.
- **CAP_PROP_FPS** Frame rate.
- **CAP_PROP_FOURCC** 4-character code of codec.
- **CAP_PROP_FRAME_COUNT** Number of frames in the video file.
- **CAP_PROP_FORMAT** Format of the Mat objects returned by retrieve() .
- **CAP_PROP_MODE** Backend-specific value indicating the current capture mode.
- **CAP_PROP_BRIGHTNESS** Brightness of the image (only for cameras).
- **CAP_PROP_CONTRAST** Contrast of the image (only for cameras).
- **CAP_PROP_SATURATION** Saturation of the image (only for cameras).
- **CAP_PROP_HUE** Hue of the image (only for cameras).
- **CAP_PROP_GAIN** Gain of the image (only for cameras).
- **CAP_PROP_EXPOSURE** Exposure (only for cameras).
- **CAP_PROP_CONVERT_RGB** Boolean flags indicating whether images should be converted
to RGB.
- **CAP_PROP_WHITE_BALANCE** Currently not supported
- **CAP_PROP_RECTIFICATION** Rectification flag for stereo cameras (note: only supported
by DC1394 v 2.x backend currently)
@note When querying a property that is not supported by the backend used by the VideoCapture
class, value 0 is returned.
*/
public native double get(int propId);
}
@Namespace("cv") @Opaque public static class IVideoWriter extends Pointer {
/** Empty constructor. */
public IVideoWriter() { }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public IVideoWriter(Pointer p) { super(p); }
}
/** @brief Video writer class.
*/
@Namespace("cv") @NoOffset public static class VideoWriter extends Pointer {
static { Loader.load(); }
/** Pointer cast constructor. Invokes {@link Pointer#Pointer(Pointer)}. */
public VideoWriter(Pointer p) { super(p); }
/** Native array allocator. Access with {@link Pointer#position(int)}. */
public VideoWriter(int size) { allocateArray(size); }
private native void allocateArray(int size);
@Override public VideoWriter position(int position) {
return (VideoWriter)super.position(position);
}
/** @brief VideoWriter constructors
The constructors/functions initialize video writers. On Linux FFMPEG is used to write videos; on
Windows FFMPEG or VFW is used; on MacOSX QTKit is used.
*/
public VideoWriter() { allocate(); }
private native void allocate();
/** @overload
@param filename Name of the output video file.
@param fourcc 4-character code of codec used to compress the frames. For example,
VideoWriter::fourcc('P','I','M','1') is a MPEG-1 codec, VideoWriter::fourcc('M','J','P','G') is a
motion-jpeg codec etc. List of codes can be obtained at [Video Codecs by
FOURCC](http://www.fourcc.org/codecs.php) page.
@param fps Framerate of the created video stream.
@param frameSize Size of the video frames.
@param isColor If it is not zero, the encoder will expect and encode color frames, otherwise it
will work with grayscale frames (the flag is currently supported on Windows only).
*/
public VideoWriter(@Str BytePointer filename, int fourcc, double fps,
@ByVal Size frameSize, @Cast("bool") boolean isColor/*=true*/) { allocate(filename, fourcc, fps, frameSize, isColor); }
private native void allocate(@Str BytePointer filename, int fourcc, double fps,
@ByVal Size frameSize, @Cast("bool") boolean isColor/*=true*/);
public VideoWriter(@Str BytePointer filename, int fourcc, double fps,
@ByVal Size frameSize) { allocate(filename, fourcc, fps, frameSize); }
private native void allocate(@Str BytePointer filename, int fourcc, double fps,
@ByVal Size frameSize);
public VideoWriter(@Str String filename, int fourcc, double fps,
@ByVal Size frameSize, @Cast("bool") boolean isColor/*=true*/) { allocate(filename, fourcc, fps, frameSize, isColor); }
private native void allocate(@Str String filename, int fourcc, double fps,
@ByVal Size frameSize, @Cast("bool") boolean isColor/*=true*/);
public VideoWriter(@Str String filename, int fourcc, double fps,
@ByVal Size frameSize) { allocate(filename, fourcc, fps, frameSize); }
private native void allocate(@Str String filename, int fourcc, double fps,
@ByVal Size frameSize);
/** @brief Initializes or reinitializes video writer.
The method opens video writer. Parameters are the same as in the constructor
VideoWriter::VideoWriter.
*/
public native @Cast("bool") boolean open(@Str BytePointer filename, int fourcc, double fps,
@ByVal Size frameSize, @Cast("bool") boolean isColor/*=true*/);
public native @Cast("bool") boolean open(@Str BytePointer filename, int fourcc, double fps,
@ByVal Size frameSize);
public native @Cast("bool") boolean open(@Str String filename, int fourcc, double fps,
@ByVal Size frameSize, @Cast("bool") boolean isColor/*=true*/);
public native @Cast("bool") boolean open(@Str String filename, int fourcc, double fps,
@ByVal Size frameSize);
/** @brief Returns true if video writer has been successfully initialized.
*/
public native @Cast("bool") boolean isOpened();
/** @brief Closes the video writer.
The methods are automatically called by subsequent VideoWriter::open and by the VideoWriter
destructor.
*/
public native void release();
public native @ByRef @Name("operator<<") VideoWriter shiftLeft(@Const @ByRef Mat image);
/** @brief Writes the next video frame
@param image The written frame
The functions/methods write the specified image to video file. It must have the same size as has
been specified when opening the video writer.
*/
public native void write(@Const @ByRef Mat image);
/** @brief Sets a property in the VideoWriter.
@param propId Property identifier. It can be one of the following:
- **VIDEOWRITER_PROP_QUALITY** Quality (0..100%) of the videostream encoded. Can be adjusted dynamically in some codecs.
@param value Value of the property.
*/
public native @Cast("bool") boolean set(int propId, double value);
/** @brief Returns the specified VideoWriter property
@param propId Property identifier. It can be one of the following:
- **VIDEOWRITER_PROP_QUALITY** Current quality of the encoded videostream.
- **VIDEOWRITER_PROP_FRAMEBYTES** (Read-only) Size of just encoded video frame; note that the encoding order may be different from representation order.
@note When querying a property that is not supported by the backend used by the VideoWriter
class, value 0 is returned.
*/
public native double get(int propId);
/** @brief Concatenates 4 chars to a fourcc code
This static method constructs the fourcc code of the codec to be used in the constructor
VideoWriter::VideoWriter or VideoWriter::open.
*/
public static native int fourcc(@Cast("char") byte c1, @Cast("char") byte c2, @Cast("char") byte c3, @Cast("char") byte c4);
}
/** @} videoio */
// cv
// #endif //__OPENCV_VIDEOIO_HPP__
}
