diff options
Diffstat (limited to 'src/native')
3 files changed, 0 insertions, 709 deletions
diff --git a/src/native/screencapture/Makefile b/src/native/screencapture/Makefile deleted file mode 100644 index cd576e9..0000000 --- a/src/native/screencapture/Makefile +++ /dev/null @@ -1,47 +0,0 @@ -## -# \file Makefile -# \brief libscreencapture makefile. -# \author Sebastien Vincent - -CC = gcc -CFLAGS = -std=c99 -D_POSIX_C_SOURCE=200112L -D_XOPEN_SOURCE=600 -Wall -Wextra -pedantic -Wstrict-prototypes -Wredundant-decls -O3 - -# uncomment to compile on Linux -LDFLAGS = -CFLAGS += -fPIC -JNI_HEADERS = -I${JAVA_HOME}/include -I${JAVA_HOME}/include/linux -TARGET = libscreencapture.so - -# uncomment to compile on Windows -#LDFLAGS = -lgdi32 -#JNI_HEADERS = -I${JAVA_HOME}/include -I${JAVA_HOME}/include/win32 -#CFLAGS += -Wl,--kill-at -#TARGET = screencapture.dll - -# uncomment to compile on Mac OS X -#CFLAGS += -fPIC -arch i386 -arch x86_64 -arch ppc -I/System/Library/Frameworks/ApplicationServices.framework/Headers -#LDFLAGS = -framework ApplicationServices -#JNI_HEADERS = -I/System/Library/Frameworks/JavaVM.framework/Headers -#TARGET = libscreencapture.jnilib - -# uncomment to compile on FreeBSD -#CFLAGS += -fPIC -I/usr/local/include -#LDFLAGS = -#JNI_HEADERS = -I${JAVA_HOME}/include -I${JAVA_HOME}/include/freebsd -#TARGET = libscreencapture.so - -CFLAGS += $(JNI_HEADERS) - -all: libscreencapture - -libscreencapture: net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.c - $(CC) -shared $(CFLAGS) -o $(TARGET) -O $< $(LDFLAGS) - -# To compile 32 bit library under 64 bit system -# Note: On Windows, cross-compilation is supported from gcc-4.5 -libscreencapture-32: net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.c - $(CC) -shared -m32 $(CFLAGS) -o $(TARGET) -O $< $(LDFLAGS) - -clean: - rm -f *.o *.so *.dll - diff --git a/src/native/screencapture/net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.c b/src/native/screencapture/net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.c deleted file mode 100644 index 1f0392f..0000000 --- a/src/native/screencapture/net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.c +++ /dev/null @@ -1,633 +0,0 @@ -/* - * Jitsi, the OpenSource Java VoIP and Instant Messaging client. - * - * Distributable under LGPL license. - * See terms of license at gnu.org. - */ - -/** - * \file net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.c - * \brief X11 screen capture. - * \author Sebastien Vincent - * \date 2009 - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#if defined(_WIN32) || defined(_WIN64) - -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#include <wingdi.h> - -typedef __int32 int32_t; -typedef unsigned __int32 uint32_t; -typedef unsigned __int8 uint8_t; - -#elif defined(__APPLE__) - -#include <stdint.h> - -#include <ApplicationServices.h> - -#else /* Unix */ - -#include <stdint.h> - -#include <sys/types.h> -#include <sys/ipc.h> -#include <sys/shm.h> - -#include <X11/Xlib.h> -#include <X11/Xutil.h> -#include <X11/extensions/XShm.h> - -#endif - -#include "net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.h" - -#if defined(_WIN32) || defined (_WIN64) - -/** - * \struct monitor_data - * \brief Used with monitorCallback to pass index and receive DC - */ -struct monitor_data -{ - unsigned int monitor_index; /**< Index of the specific monitor */ - unsigned int current_index; /**< Internal index of monitor in callback */ - HDC monitor_dc; /**< DC of the monitor (set by monitorCallback if any) */ -}; - -/** - * \brief Callback when using EnumDisplayMonitors function. - * \param hMonitor monitor object - * \param hdcMonitor DC passed from EnumDisplayMonitors - * \param lpcrMonitor clipping rectangle - * \param dwData additionnal data - * \return true if enumeration have to be stopped, false otherwise - */ -BOOL CALLBACK monitorCallback(HMONITOR hMonitor, HDC hdcMonitor, - LPRECT lprcMonitor, LPARAM dwData) -{ - struct monitor_data* data = (struct monitor_data*)dwData; - MONITORINFOEX info; - - /* avoid warnings */ - hdcMonitor = hdcMonitor; - lprcMonitor = lprcMonitor; - - if(data->current_index == data->monitor_index) - { - info.cbSize = sizeof(MONITORINFOEX); - GetMonitorInfo(hMonitor, (LPMONITORINFO)&info); - - /* create the DC for this monitor */ - data->monitor_dc = CreateDC(info.szDevice, info.szDevice, NULL, NULL); - - /* found the right monitor, breaks */ - return FALSE; - } - - data->current_index++; - return TRUE; -} - -/** - * \brief Get DC pointer for a specific display. - * \param display display index. - * \return DC pointer or NULL if failure - */ -static HDC get_dc(unsigned int index) -{ - HDC hDC = NULL; - struct monitor_data data; - - data.monitor_index = index; - data.current_index = 0; - data.monitor_dc = NULL; - - EnumDisplayMonitors(NULL, NULL, &monitorCallback, (LPARAM)&data); - - hDC = data.monitor_dc; - - return hDC; -} - -/** - * \brief Grab Windows screen. - * \param data array that will contain screen capture - * \param display display index - * \param x x position to start capture - * \param y y position to start capture - * \param w capture width - * \param h capture height - * \return 0 if success, -1 otherwise - */ -static int windows_grab_screen(jbyte* data, unsigned int display, int x, int y, int w, int h) -{ - static const RGBQUAD redColor = {0x00, 0x00, 0xFF, 0x00}; - static const RGBQUAD greenColor = {0x00, 0xFF, 0x00, 0x00}; - static const RGBQUAD blueColor = {0xFF, 0x00, 0x00, 0x00}; - HDC desktop = NULL; - HDC dest = NULL; - HBITMAP bitmap; - HBITMAP oldBitmap; - int width = 0; - int height = 0; - size_t size = 0; - BITMAPINFO* bitmap_info = NULL; - BITMAPINFOHEADER* bitmap_hdr = NULL; - RGBQUAD *pixels = NULL; - size_t i = 0; - size_t off = 0; - uint32_t test = 1; - int little_endian = *((uint8_t*)&test); - - /* get handle corresponding to the display specified */ - desktop = get_dc(display); - - if(!desktop) - { - fprintf(stderr, "GetDC failed!\n"); - return -1; - } - - /* get resolution */ - width = GetDeviceCaps(desktop, HORZRES); - height = GetDeviceCaps(desktop, VERTRES); - - /* check that user-defined parameters are in image */ - if((w + x) > width || (h + y) > height) - { - ReleaseDC(NULL, desktop); - return -1; - } - - size = w * h; - - /* fprintf(stderr, "Resolution: %dx%d\n", width, height); */ - - dest = CreateCompatibleDC(desktop); - - if(!dest) - { - fprintf(stderr, "CreateCompatibleDC failed!\n"); - ReleaseDC(NULL, desktop); - return -1; - } - - bitmap = CreateCompatibleBitmap(desktop, w, h); - - if(!bitmap) - { - fprintf(stderr, "CreateCompatibleBitmap failed!\n"); - ReleaseDC(NULL, desktop); - return -1; - } - - /* select bitmap to be used by DC */ - oldBitmap = SelectObject(dest, bitmap); - - if(BitBlt(dest, 0, 0, w, h, desktop, x, y, SRCCOPY | CAPTUREBLT) == FALSE) - { - fprintf(stderr, "BitBlt failed\n"); - SelectObject(dest, oldBitmap); /* restore old state before delete */ - DeleteDC(dest); - DeleteObject(bitmap); - ReleaseDC(NULL, desktop); - return -1; - } - - /* allocate memory for bitmap header, it consists - * of header size and the uncompressed pixels - * GetDiBits with BI_BITFIELDS requires array of 3 RBGQUAD - * structures and BITMAPINFO structure has just one allocated - * RGBQUAD array - */ - bitmap_info = malloc(sizeof(BITMAPINFO) + 3 * sizeof(RGBQUAD) + (size * 4)); - - if(!bitmap_info) - { - fprintf(stderr, "malloc failed\n"); - SelectObject(dest, oldBitmap); /* restore old state before delete */ - DeleteDC(dest); - DeleteObject(bitmap); - ReleaseDC(NULL, desktop); - return -1; - } - - bitmap_hdr = &bitmap_info->bmiHeader; - - bitmap_hdr->biSize = sizeof(BITMAPINFOHEADER); - bitmap_hdr->biWidth = w; - bitmap_hdr->biHeight = -h; /* otherwise inverse screen */ - bitmap_hdr->biPlanes = 1; - bitmap_hdr->biCompression = BI_BITFIELDS; - bitmap_hdr->biBitCount = 32; - bitmap_hdr->biSizeImage = 0; - bitmap_hdr->biXPelsPerMeter = 0; - bitmap_hdr->biYPelsPerMeter = 0; - bitmap_hdr->biClrImportant = 0; - bitmap_hdr->biClrUsed = 0; - - /* set up color */ - /* red */ - bitmap_info->bmiColors[0] = redColor; - /* green */ - bitmap_info->bmiColors[1] = greenColor; - /* blue */ - bitmap_info->bmiColors[2] = blueColor; - - /* first data pixel begins after the array of color mask */ - pixels = &bitmap_info->bmiColors[2]; - pixels++; - - /* get raw bytes */ - if(GetDIBits(dest, bitmap, 0, h, pixels, bitmap_info, DIB_RGB_COLORS) == 0) - { - fprintf(stderr, "GetDIBits failed!\n"); - free(bitmap_info); - SelectObject(dest, oldBitmap); /* restore old state before delete */ - DeleteDC(dest); - DeleteObject(bitmap); - ReleaseDC(NULL, desktop); - return -1; - } - - for(i = 0 ; i < size ; i++) - { - RGBQUAD* quad = &pixels[i]; - uint32_t pixel = 0xFF000000 | quad->rgbRed << 16 | quad->rgbGreen << 8 | quad->rgbBlue; - - /* Java int is always big endian so output as ARGB */ - if(little_endian) - { - /* ARGB is BGRA in little-endian */ - uint8_t r = (pixel >> 16) & 0xff; - uint8_t g = (pixel >> 8) & 0xff; - uint8_t b = pixel & 0xff; - pixel = b << 24 | g << 16 | r << 8 | 0xff; - } - - memcpy(data + off, &pixel, 4); - off += 4; - } - - /* cleanup */ - free(bitmap_info); - SelectObject(dest, oldBitmap); /* restore old state before delete */ - DeleteDC(dest); - DeleteObject(bitmap); - ReleaseDC(NULL, desktop); - - return 0; -} - -#elif defined(__APPLE__) - -/** - * \brief Grab Mac OS X screen (with Quartz API). - * \param data array that will contain screen capture - * \param display display index - * \param x x position to start capture - * \param y y position to start capture - * \param w capture width - * \param h capture height - * \return 0 if success, -1 otherwise - */ -static int quartz_grab_screen(jbyte* data, unsigned int display, int x, int y, int w, int h) -{ - CGImageRef img = NULL; - CGDataProviderRef provider = NULL; - CFDataRef dataRef = NULL; - uint8_t* pixels = NULL; - size_t len = 0; - size_t off = 0; - size_t i = 0; - CGRect rect; - uint32_t test = 1; - int little_endian = *((uint8_t*)&test); - CGDirectDisplayID displayIds[16]; - CGDisplayCount displayNb = 0; - - /* find display */ - if(CGGetActiveDisplayList(display + 1, displayIds, &displayNb) != kCGErrorSuccess) - { - return -1; - } - - if(displayNb < (display + 1)) - { - /* request a non existent display */ - return -1; - } - - rect = CGDisplayBounds(displayIds[display]); - rect.size.width = w; - rect.size.height = h; - rect.origin.x += x; - rect.origin.y += y; - img = CGWindowListCreateImage(rect, kCGWindowListOptionOnScreenOnly, kCGNullWindowID, kCGWindowImageDefault); - - if(img == NULL) - { - fprintf(stderr, "CGWindowListCreateImage failed\n!"); - return -1; - } - - /* get pixels */ - provider = CGImageGetDataProvider(img); - dataRef = CGDataProviderCopyData(provider); - pixels = (uint8_t*)CFDataGetBytePtr(dataRef); - - len = CFDataGetLength(dataRef); - - for(i = 0 ; i < len ; i+=4) - { - uint32_t pixel = *((uint32_t*)&pixels[i]); - - pixel |= (0xff << 24); - - /* Java int is always big endian so output as ARGB */ - if(little_endian) - { - /* ARGB is BGRA in little-endian */ - uint8_t r = (pixel >> 16) & 0xff; - uint8_t g = (pixel >> 8) & 0xff; - uint8_t b = pixel & 0xff; - pixel = b << 24 | g << 16 | r << 8 | 0xff; - } - - memcpy(data + off, &pixel, 4); - off += 4; - } - - /* cleanup */ - CGImageRelease(img); - CFRelease(dataRef); - return 0; -} - -#else /* Unix */ - -/** - * \brief Grab X11 screen. - * \param x11display display string (i.e. :0.0), if NULL getenv("DISPLAY") is used - * \param data array that will contain screen capture - * \param displayIndex display index - * \param x x position to start capture - * \param y y position to start capture - * \param w capture width - * \param h capture height - * \return 0 if success, -1 otherwise - */ -static int x11_grab_screen(jbyte* data, unsigned int displayIndex, int x, int y, int w, int h) -{ - const char* display_str; /* display string */ - Display* display = NULL; /* X11 display */ - Visual* visual = NULL; - int screen = 0; /* X11 screen */ - Window root_window = 0; /* X11 root window of a screen */ - int width = 0; - int height = 0; - int depth = 0; - int shm_support = 0; - XImage* img = NULL; - XShmSegmentInfo shm_info; - size_t off = 0; - int i = 0; - int j = 0; - size_t size = 0; - uint32_t test = 1; - int little_endian = *((uint8_t*)&test); - char buf[16]; - - snprintf(buf, sizeof(buf), ":0.%u", displayIndex); - display_str = buf; - - /* open current X11 display */ - display = XOpenDisplay(display_str); - - if(!display) - { - /* fprintf(stderr, "Cannot open X11 display!\n"); */ - return -1; - } - - screen = DefaultScreen(display); - root_window = RootWindow(display, screen); - visual = DefaultVisual(display, screen); - width = DisplayWidth(display, screen); - height = DisplayHeight(display, screen); - depth = DefaultDepth(display, screen); - - /* check that user-defined parameters are in image */ - if((w + x) > width || (h + y) > height) - { - XCloseDisplay(display); - return -1; - } - - size = w * h; - - /* test is XServer support SHM */ - shm_support = XShmQueryExtension(display); - - /* fprintf(stderr, "Display=%s width=%d height=%d depth=%d SHM=%s\n", display_str, width, height, depth, shm_support ? "true" : "false"); */ - - if(shm_support) - { - /* fprintf(stderr, "Use XShmGetImage\n"); */ - - /* create image for SHM use */ - img = XShmCreateImage(display, visual, depth, ZPixmap, NULL, &shm_info, w, h); - - if(!img) - { - /* fprintf(stderr, "Image cannot be created!\n"); */ - XCloseDisplay(display); - return -1; - } - - /* setup SHM stuff */ - shm_info.shmid = shmget(IPC_PRIVATE, img->bytes_per_line * img->height, IPC_CREAT | 0777); - shm_info.shmaddr = (char*)shmat(shm_info.shmid, NULL, 0); - img->data = shm_info.shmaddr; - shmctl(shm_info.shmid, IPC_RMID, NULL); - shm_info.readOnly = 0; - - /* attach segment and grab screen */ - if((shm_info.shmaddr == (void*)-1) || !XShmAttach(display, &shm_info)) - { - /* fprintf(stderr, "Cannot use shared memory!\n"); */ - if(shm_info.shmaddr != (void*)-1) - { - shmdt(shm_info.shmaddr); - } - - img->data = NULL; - XDestroyImage(img); - img = NULL; - shm_support = 0; - } - else if(!XShmGetImage(display, root_window, img, x, y, 0xffffffff)) - { - /* fprintf(stderr, "Cannot grab image!\n"); */ - XShmDetach(display, &shm_info); - shmdt(shm_info.shmaddr); - XDestroyImage(img); - img = NULL; - shm_support = 0; - } - } - - /* if XSHM is not available or has failed - * use XGetImage - */ - if(!img) - { - /* fprintf(stderr, "Use XGetImage\n"); */ - img = XGetImage(display, root_window, x, y, w, h, 0xffffffff, ZPixmap); - - if(!img) - { - /* fprintf(stderr, "Cannot grab image!\n"); */ - XCloseDisplay(display); - return -1; - } - } - - /* convert to bytes but keep ARGB */ - for(j = 0 ; j < h ; j++) - { - for(i = 0 ; i < w ; i++) - { - /* do not care about high 32-bit for Linux 64 bit - * machine (sizeof(unsigned long) = 8) - */ - uint32_t pixel = (uint32_t)XGetPixel(img, i, j) | (0xff << 24); - - /* Java int is always big endian so output as ARGB */ - if(little_endian) - { - /* ARGB is BGRA in little-endian */ - uint8_t r = (pixel >> 16) & 0xff; - uint8_t g = (pixel >> 8) & 0xff; - uint8_t b = pixel & 0xff; - pixel = b << 24 | g << 16 | r << 8 | 0xff; - } - - memcpy(data + off, &pixel, 4); - off += 4; - } - } - - /* free X11 resources and close display */ - XDestroyImage(img); - - if(shm_support) - { - XShmDetach(display, &shm_info); - shmdt(shm_info.shmaddr); - } - - XCloseDisplay(display); - - /* return array */ - return 0; -} - -#endif - -/** - * \brief JNI native method to grab desktop screen and retrieve ARGB pixels. - * \param env JVM environment - * \param clazz NativeScreenCapture Java class - * \param display display index - * \param x x position to start capture - * \param y y position to start capture - * \param width capture width - * \param height capture height - * \param output output buffer, screen bytes will be stored in - * \return true if success, false otherwise - */ -JNIEXPORT jboolean JNICALL Java_net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture_grabScreen__IIIII_3B - (JNIEnv* env, jclass clazz, jint display, jint x, jint y, jint width, jint height, jbyteArray output) -{ - jint size = width * height * 4; - jbyte* data = NULL; - - clazz = clazz; /* not used */ - - if(!output || (*env)->GetArrayLength(env, output) < size) - { - return JNI_FALSE; - } - - data = (*env)->GetPrimitiveArrayCritical(env, output, 0); - - if(!data) - { - return JNI_FALSE; - } - -#if defined (_WIN32) || defined(_WIN64) - if(windows_grab_screen(data, display, x, y, width, height) == -1) -#elif defined(__APPLE__) - if(quartz_grab_screen(data, display, x, y, width, height) == -1) -#else /* Unix */ - if(x11_grab_screen(data, display, x, y, width, height) == -1) -#endif - { - (*env)->ReleasePrimitiveArrayCritical(env, output, data, 0); - return JNI_FALSE; - } - - (*env)->ReleasePrimitiveArrayCritical(env, output, data, 0); - return JNI_TRUE; -} - -/** - * \brief JNI native method to grab desktop screen and retrieve ARGB pixels. - * \param env JVM environment - * \param clazz NativeScreenCapture Java class - * \param display display index - * \param x x position to start capture - * \param y y position to start capture - * \param width capture width - * \param height capture height - * \param output native output buffer - * \return true if success, false otherwise - */ -JNIEXPORT jboolean JNICALL Java_net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture_grabScreen__IIIIIJI - (JNIEnv* env, jclass clazz, jint display, jint x, jint y, jint width, jint height, jlong output, jint outputLength) -{ - jint size = width * height * 4; - jbyte* data = (jbyte*)output; - - /* not used */ - clazz = clazz; - env = env; - - if(!data || outputLength < size) - { - return JNI_FALSE; - } - -#if defined (_WIN32) || defined(_WIN64) - if(windows_grab_screen(data, display, x, y, width, height) == -1) -#elif defined(__APPLE__) - if(quartz_grab_screen(data, display, x, y, width, height) == -1) -#else /* Unix */ - if(x11_grab_screen(data, display, x, y, width, height) == -1) -#endif - { - return JNI_FALSE; - } - - return JNI_TRUE; -} - diff --git a/src/native/screencapture/net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.h b/src/native/screencapture/net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.h deleted file mode 100644 index e550390..0000000 --- a/src/native/screencapture/net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture.h +++ /dev/null @@ -1,29 +0,0 @@ -/* DO NOT EDIT THIS FILE - it is machine generated */ -#include <jni.h> -/* Header for class net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture */ - -#ifndef _Included_net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture -#define _Included_net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture -#ifdef __cplusplus -extern "C" { -#endif -/* - * Class: net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture - * Method: grabScreen - * Signature: (IIIII[B)Z - */ -JNIEXPORT jboolean JNICALL Java_net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture_grabScreen__IIIII_3B - (JNIEnv *, jclass, jint, jint, jint, jint, jint, jbyteArray); - -/* - * Class: net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture - * Method: grabScreen - * Signature: (IIIIJI)Z - */ -JNIEXPORT jboolean JNICALL Java_net_java_sip_communicator_impl_neomedia_imgstreaming_NativeScreenCapture_grabScreen__IIIIJI - (JNIEnv *, jclass, jint, jint, jint, jint, jlong, jint); - -#ifdef __cplusplus -} -#endif -#endif |