diff options
Diffstat (limited to 'examples/android')
| -rw-r--r-- | examples/android/README | 63 | ||||
| -rw-r--r-- | examples/android/jni/Android.mk | 65 | ||||
| -rw-r--r-- | examples/android/jni/fbvncserver.c | 522 |
3 files changed, 0 insertions, 650 deletions
diff --git a/examples/android/README b/examples/android/README deleted file mode 100644 index 57e14cf..0000000 --- a/examples/android/README +++ /dev/null @@ -1,63 +0,0 @@ - -This example VNC server for Android is adopted from -http://code.google.com/p/android-vnc-server/ with some additional -fixes applied. - -To build, you'll need the Android Native Development Kit from -http://developer.android.com/sdk/ndk/. - - -Building with autotools ------------------------ - -This has the advantage that the LibVNCServer sources are properly set up -using the configure script. - -1. Read <NDK location>/docs/STANDALONE-TOOLCHAIN.html. - -2. Setup your toolchain according to step 3 in the above file. - -3. Execute - - ./configure --host=arm-eabi CC=arm-linux-androideabi-gcc - - in the LibVNCServer root directory. - -4. Execute - - make - - in the LibVNCServer root directory. This will build the whole - LibVNCServer distribution for Android, including androidvncserver. - - - - -Building with the NDK build system ----------------------------------- - -This is probably easier than the autotools method, but you'll have to edit -some files manually. - -1. Edit rfb/rfbconfig.h to match your Android target. For instance, comment out - LIBVNCSERVER_HAVE_LIBJPEG if you don't have libjpeg for Android. - -2. Edit the HAVE_X variables in jni/Android.mk accordingly. - -3. Execute - - ndk-build -C . - - in the examples/android directory. The resulting binary will be in libs/. - - - -Installing && Running ---------------------- - -This can be done via - - adb push androidvncserver /data/local/ - adb shell /data/local/androidvncserver - - diff --git a/examples/android/jni/Android.mk b/examples/android/jni/Android.mk deleted file mode 100644 index 731a790..0000000 --- a/examples/android/jni/Android.mk +++ /dev/null @@ -1,65 +0,0 @@ -LOCAL_PATH:= $(call my-dir) -include $(CLEAR_VARS) - -LIBVNCSERVER_ROOT:=../../.. - -HAVE_LIBZ=1 -#HAVE_LIBJPEG=1 - -ifdef HAVE_LIBZ -ZLIBSRCS := \ - $(LIBVNCSERVER_ROOT)/libvncserver/zlib.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/zrle.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/zrleoutstream.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/zrlepalettehelper.c \ - $(LIBVNCSERVER_ROOT)/common/zywrletemplate.c -ifdef HAVE_LIBJPEG -TIGHTSRCS := $(LIBVNCSERVER_ROOT)/libvncserver/tight.c -endif -endif - -LOCAL_SRC_FILES:= \ - fbvncserver.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/main.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/rfbserver.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/rfbregion.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/auth.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/sockets.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/stats.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/corre.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/hextile.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/rre.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/translate.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/cutpaste.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/httpd.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/cursor.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/font.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/draw.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/selbox.c \ - $(LIBVNCSERVER_ROOT)/common/d3des.c \ - $(LIBVNCSERVER_ROOT)/common/vncauth.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/cargs.c \ - $(LIBVNCSERVER_ROOT)/common/minilzo.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/ultra.c \ - $(LIBVNCSERVER_ROOT)/libvncserver/scale.c \ - $(ZLIBSRCS) \ - $(TIGHTSRCS) - -LOCAL_C_INCLUDES := \ - $(LOCAL_PATH) \ - $(LOCAL_PATH)/$(LIBVNCSERVER_ROOT)/libvncserver \ - $(LOCAL_PATH)/$(LIBVNCSERVER_ROOT)/common \ - $(LOCAL_PATH)/$(LIBVNCSERVER_ROOT) \ - external/jpeg - -ifdef HAVE_LIBZ -LOCAL_SHARED_LIBRARIES := libz -LOCAL_LDLIBS := -lz -endif -ifdef HAVE_LIBJPEG -LOCAL_STATIC_LIBRARIES := libjpeg -endif - -LOCAL_MODULE:= androidvncserver - -include $(BUILD_EXECUTABLE) diff --git a/examples/android/jni/fbvncserver.c b/examples/android/jni/fbvncserver.c deleted file mode 100644 index a8c4827..0000000 --- a/examples/android/jni/fbvncserver.c +++ /dev/null @@ -1,522 +0,0 @@ -/* - * $Id$ - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2, or (at your option) any - * later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * This project is an adaptation of the original fbvncserver for the iPAQ - * and Zaurus. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <unistd.h> -#include <sys/mman.h> -#include <sys/ioctl.h> - -#include <sys/stat.h> -#include <sys/sysmacros.h> /* For makedev() */ - -#include <fcntl.h> -#include <linux/fb.h> -#include <linux/input.h> - -#include <assert.h> -#include <errno.h> - -/* libvncserver */ -#include "rfb/rfb.h" -#include "rfb/keysym.h" - -/*****************************************************************************/ - -/* Android does not use /dev/fb0. */ -#define FB_DEVICE "/dev/graphics/fb0" -static char KBD_DEVICE[256] = "/dev/input/event3"; -static char TOUCH_DEVICE[256] = "/dev/input/event1"; -static struct fb_var_screeninfo scrinfo; -static int fbfd = -1; -static int kbdfd = -1; -static int touchfd = -1; -static unsigned short int *fbmmap = MAP_FAILED; -static unsigned short int *vncbuf; -static unsigned short int *fbbuf; - -/* Android already has 5900 bound natively. */ -#define VNC_PORT 5901 -static rfbScreenInfoPtr vncscr; - -static int xmin, xmax; -static int ymin, ymax; - -/* No idea, just copied from fbvncserver as part of the frame differerencing - * algorithm. I will probably be later rewriting all of this. */ -static struct varblock_t -{ - int min_i; - int min_j; - int max_i; - int max_j; - int r_offset; - int g_offset; - int b_offset; - int rfb_xres; - int rfb_maxy; -} varblock; - -/*****************************************************************************/ - -static void keyevent(rfbBool down, rfbKeySym key, rfbClientPtr cl); -static void ptrevent(int buttonMask, int x, int y, rfbClientPtr cl); - -/*****************************************************************************/ - -static void init_fb(void) -{ - size_t pixels; - size_t bytespp; - - if ((fbfd = open(FB_DEVICE, O_RDONLY)) == -1) - { - printf("cannot open fb device %s\n", FB_DEVICE); - exit(EXIT_FAILURE); - } - - if (ioctl(fbfd, FBIOGET_VSCREENINFO, &scrinfo) != 0) - { - printf("ioctl error\n"); - exit(EXIT_FAILURE); - } - - pixels = scrinfo.xres * scrinfo.yres; - bytespp = scrinfo.bits_per_pixel / 8; - - fprintf(stderr, "xres=%d, yres=%d, xresv=%d, yresv=%d, xoffs=%d, yoffs=%d, bpp=%d\n", - (int)scrinfo.xres, (int)scrinfo.yres, - (int)scrinfo.xres_virtual, (int)scrinfo.yres_virtual, - (int)scrinfo.xoffset, (int)scrinfo.yoffset, - (int)scrinfo.bits_per_pixel); - - fbmmap = mmap(NULL, pixels * bytespp, PROT_READ, MAP_SHARED, fbfd, 0); - - if (fbmmap == MAP_FAILED) - { - printf("mmap failed\n"); - exit(EXIT_FAILURE); - } -} - -static void cleanup_fb(void) -{ - if(fbfd != -1) - { - close(fbfd); - } -} - -static void init_kbd() -{ - if((kbdfd = open(KBD_DEVICE, O_RDWR)) == -1) - { - printf("cannot open kbd device %s\n", KBD_DEVICE); - exit(EXIT_FAILURE); - } -} - -static void cleanup_kbd() -{ - if(kbdfd != -1) - { - close(kbdfd); - } -} - -static void init_touch() -{ - struct input_absinfo info; - if((touchfd = open(TOUCH_DEVICE, O_RDWR)) == -1) - { - printf("cannot open touch device %s\n", TOUCH_DEVICE); - exit(EXIT_FAILURE); - } - // Get the Range of X and Y - if(ioctl(touchfd, EVIOCGABS(ABS_X), &info)) { - printf("cannot get ABS_X info, %s\n", strerror(errno)); - exit(EXIT_FAILURE); - } - xmin = info.minimum; - xmax = info.maximum; - if(ioctl(touchfd, EVIOCGABS(ABS_Y), &info)) { - printf("cannot get ABS_Y, %s\n", strerror(errno)); - exit(EXIT_FAILURE); - } - ymin = info.minimum; - ymax = info.maximum; - -} - -static void cleanup_touch() -{ - if(touchfd != -1) - { - close(touchfd); - } -} - -/*****************************************************************************/ - -static void init_fb_server(int argc, char **argv) -{ - printf("Initializing server...\n"); - - /* Allocate the VNC server buffer to be managed (not manipulated) by - * libvncserver. */ - vncbuf = calloc(scrinfo.xres * scrinfo.yres, scrinfo.bits_per_pixel / 8); - assert(vncbuf != NULL); - - /* Allocate the comparison buffer for detecting drawing updates from frame - * to frame. */ - fbbuf = calloc(scrinfo.xres * scrinfo.yres, scrinfo.bits_per_pixel / 8); - assert(fbbuf != NULL); - - /* TODO: This assumes scrinfo.bits_per_pixel is 16. */ - vncscr = rfbGetScreen(&argc, argv, scrinfo.xres, scrinfo.yres, 5, 2, (scrinfo.bits_per_pixel / 8)); - assert(vncscr != NULL); - - vncscr->desktopName = "Android"; - vncscr->frameBuffer = (char *)vncbuf; - vncscr->alwaysShared = TRUE; - vncscr->httpDir = NULL; - vncscr->port = VNC_PORT; - - vncscr->kbdAddEvent = keyevent; - vncscr->ptrAddEvent = ptrevent; - - rfbInitServer(vncscr); - - /* Mark as dirty since we haven't sent any updates at all yet. */ - rfbMarkRectAsModified(vncscr, 0, 0, scrinfo.xres, scrinfo.yres); - - /* No idea. */ - varblock.r_offset = scrinfo.red.offset + scrinfo.red.length - 5; - varblock.g_offset = scrinfo.green.offset + scrinfo.green.length - 5; - varblock.b_offset = scrinfo.blue.offset + scrinfo.blue.length - 5; - varblock.rfb_xres = scrinfo.yres; - varblock.rfb_maxy = scrinfo.xres - 1; -} - -/*****************************************************************************/ -void injectKeyEvent(uint16_t code, uint16_t value) -{ - struct input_event ev; - memset(&ev, 0, sizeof(ev)); - gettimeofday(&ev.time,0); - ev.type = EV_KEY; - ev.code = code; - ev.value = value; - if(write(kbdfd, &ev, sizeof(ev)) < 0) - { - printf("write event failed, %s\n", strerror(errno)); - } - - printf("injectKey (%d, %d)\n", code , value); -} - -static int keysym2scancode(rfbBool down, rfbKeySym key, rfbClientPtr cl) -{ - int scancode = 0; - - int code = (int)key; - if (code>='0' && code<='9') { - scancode = (code & 0xF) - 1; - if (scancode<0) scancode += 10; - scancode += KEY_1; - } else if (code>=0xFF50 && code<=0xFF58) { - static const uint16_t map[] = - { KEY_HOME, KEY_LEFT, KEY_UP, KEY_RIGHT, KEY_DOWN, - KEY_SOFT1, KEY_SOFT2, KEY_END, 0 }; - scancode = map[code & 0xF]; - } else if (code>=0xFFE1 && code<=0xFFEE) { - static const uint16_t map[] = - { KEY_LEFTSHIFT, KEY_LEFTSHIFT, - KEY_COMPOSE, KEY_COMPOSE, - KEY_LEFTSHIFT, KEY_LEFTSHIFT, - 0,0, - KEY_LEFTALT, KEY_RIGHTALT, - 0, 0, 0, 0 }; - scancode = map[code & 0xF]; - } else if ((code>='A' && code<='Z') || (code>='a' && code<='z')) { - static const uint16_t map[] = { - KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, - KEY_F, KEY_G, KEY_H, KEY_I, KEY_J, - KEY_K, KEY_L, KEY_M, KEY_N, KEY_O, - KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, - KEY_U, KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z }; - scancode = map[(code & 0x5F) - 'A']; - } else { - switch (code) { - case 0x0003: scancode = KEY_CENTER; break; - case 0x0020: scancode = KEY_SPACE; break; - case 0x0023: scancode = KEY_SHARP; break; - case 0x0033: scancode = KEY_SHARP; break; - case 0x002C: scancode = KEY_COMMA; break; - case 0x003C: scancode = KEY_COMMA; break; - case 0x002E: scancode = KEY_DOT; break; - case 0x003E: scancode = KEY_DOT; break; - case 0x002F: scancode = KEY_SLASH; break; - case 0x003F: scancode = KEY_SLASH; break; - case 0x0032: scancode = KEY_EMAIL; break; - case 0x0040: scancode = KEY_EMAIL; break; - case 0xFF08: scancode = KEY_BACKSPACE; break; - case 0xFF1B: scancode = KEY_BACK; break; - case 0xFF09: scancode = KEY_TAB; break; - case 0xFF0D: scancode = KEY_ENTER; break; - case 0x002A: scancode = KEY_STAR; break; - case 0xFFBE: scancode = KEY_F1; break; // F1 - case 0xFFBF: scancode = KEY_F2; break; // F2 - case 0xFFC0: scancode = KEY_F3; break; // F3 - case 0xFFC5: scancode = KEY_F4; break; // F8 - case 0xFFC8: rfbShutdownServer(cl->screen,TRUE); break; // F11 - } - } - - return scancode; -} - -static void keyevent(rfbBool down, rfbKeySym key, rfbClientPtr cl) -{ - int scancode; - - printf("Got keysym: %04x (down=%d)\n", (unsigned int)key, (int)down); - - if ((scancode = keysym2scancode(down, key, cl))) - { - injectKeyEvent(scancode, down); - } -} - -void injectTouchEvent(int down, int x, int y) -{ - struct input_event ev; - - // Calculate the final x and y - /* Fake touch screen always reports zero */ - if (xmin != 0 && xmax != 0 && ymin != 0 && ymax != 0) - { - x = xmin + (x * (xmax - xmin)) / (scrinfo.xres); - y = ymin + (y * (ymax - ymin)) / (scrinfo.yres); - } - - memset(&ev, 0, sizeof(ev)); - - // Then send a BTN_TOUCH - gettimeofday(&ev.time,0); - ev.type = EV_KEY; - ev.code = BTN_TOUCH; - ev.value = down; - if(write(touchfd, &ev, sizeof(ev)) < 0) - { - printf("write event failed, %s\n", strerror(errno)); - } - - // Then send the X - gettimeofday(&ev.time,0); - ev.type = EV_ABS; - ev.code = ABS_X; - ev.value = x; - if(write(touchfd, &ev, sizeof(ev)) < 0) - { - printf("write event failed, %s\n", strerror(errno)); - } - - // Then send the Y - gettimeofday(&ev.time,0); - ev.type = EV_ABS; - ev.code = ABS_Y; - ev.value = y; - if(write(touchfd, &ev, sizeof(ev)) < 0) - { - printf("write event failed, %s\n", strerror(errno)); - } - - // Finally send the SYN - gettimeofday(&ev.time,0); - ev.type = EV_SYN; - ev.code = 0; - ev.value = 0; - if(write(touchfd, &ev, sizeof(ev)) < 0) - { - printf("write event failed, %s\n", strerror(errno)); - } - - printf("injectTouchEvent (x=%d, y=%d, down=%d)\n", x , y, down); -} - -static void ptrevent(int buttonMask, int x, int y, rfbClientPtr cl) -{ - /* Indicates either pointer movement or a pointer button press or release. The pointer is -now at (x-position, y-position), and the current state of buttons 1 to 8 are represented -by bits 0 to 7 of button-mask respectively, 0 meaning up, 1 meaning down (pressed). -On a conventional mouse, buttons 1, 2 and 3 correspond to the left, middle and right -buttons on the mouse. On a wheel mouse, each step of the wheel upwards is represented -by a press and release of button 4, and each step downwards is represented by -a press and release of button 5. - From: http://www.vislab.usyd.edu.au/blogs/index.php/2009/05/22/an-headerless-indexed-protocol-for-input-1?blog=61 */ - - //printf("Got ptrevent: %04x (x=%d, y=%d)\n", buttonMask, x, y); - if(buttonMask & 1) { - // Simulate left mouse event as touch event - injectTouchEvent(1, x, y); - injectTouchEvent(0, x, y); - } -} - -#define PIXEL_FB_TO_RFB(p,r,g,b) ((p>>r)&0x1f001f)|(((p>>g)&0x1f001f)<<5)|(((p>>b)&0x1f001f)<<10) - -static void update_screen(void) -{ - unsigned int *f, *c, *r; - int x, y; - - varblock.min_i = varblock.min_j = 9999; - varblock.max_i = varblock.max_j = -1; - - f = (unsigned int *)fbmmap; /* -> framebuffer */ - c = (unsigned int *)fbbuf; /* -> compare framebuffer */ - r = (unsigned int *)vncbuf; /* -> remote framebuffer */ - - for (y = 0; y < scrinfo.yres; y++) - { - /* Compare every 2 pixels at a time, assuming that changes are likely - * in pairs. */ - for (x = 0; x < scrinfo.xres; x += 2) - { - unsigned int pixel = *f; - - if (pixel != *c) - { - *c = pixel; - - /* XXX: Undo the checkered pattern to test the efficiency - * gain using hextile encoding. */ - if (pixel == 0x18e320e4 || pixel == 0x20e418e3) - pixel = 0x18e318e3; - - *r = PIXEL_FB_TO_RFB(pixel, - varblock.r_offset, varblock.g_offset, varblock.b_offset); - - if (x < varblock.min_i) - varblock.min_i = x; - else - { - if (x > varblock.max_i) - varblock.max_i = x; - - if (y > varblock.max_j) - varblock.max_j = y; - else if (y < varblock.min_j) - varblock.min_j = y; - } - } - - f++, c++; - r++; - } - } - - if (varblock.min_i < 9999) - { - if (varblock.max_i < 0) - varblock.max_i = varblock.min_i; - - if (varblock.max_j < 0) - varblock.max_j = varblock.min_j; - - fprintf(stderr, "Dirty page: %dx%d+%d+%d...\n", - (varblock.max_i+2) - varblock.min_i, (varblock.max_j+1) - varblock.min_j, - varblock.min_i, varblock.min_j); - - rfbMarkRectAsModified(vncscr, varblock.min_i, varblock.min_j, - varblock.max_i + 2, varblock.max_j + 1); - - rfbProcessEvents(vncscr, 10000); - } -} - -/*****************************************************************************/ - -void print_usage(char **argv) -{ - printf("%s [-k device] [-t device] [-h]\n" - "-k device: keyboard device node, default is /dev/input/event3\n" - "-t device: touch device node, default is /dev/input/event1\n" - "-h : print this help\n"); -} - -int main(int argc, char **argv) -{ - if(argc > 1) - { - int i=1; - while(i < argc) - { - if(*argv[i] == '-') - { - switch(*(argv[i] + 1)) - { - case 'h': - print_usage(argv); - exit(0); - break; - case 'k': - i++; - strcpy(KBD_DEVICE, argv[i]); - break; - case 't': - i++; - strcpy(TOUCH_DEVICE, argv[i]); - break; - } - } - i++; - } - } - - printf("Initializing framebuffer device " FB_DEVICE "...\n"); - init_fb(); - printf("Initializing keyboard device %s ...\n", KBD_DEVICE); - init_kbd(); - printf("Initializing touch device %s ...\n", TOUCH_DEVICE); - init_touch(); - - printf("Initializing VNC server:\n"); - printf(" width: %d\n", (int)scrinfo.xres); - printf(" height: %d\n", (int)scrinfo.yres); - printf(" bpp: %d\n", (int)scrinfo.bits_per_pixel); - printf(" port: %d\n", (int)VNC_PORT); - init_fb_server(argc, argv); - - /* Implement our own event loop to detect changes in the framebuffer. */ - while (1) - { - while (vncscr->clientHead == NULL) - rfbProcessEvents(vncscr, 100000); - - rfbProcessEvents(vncscr, 100000); - update_screen(); - } - - printf("Cleaning up...\n"); - cleanup_fb(); - cleanup_kdb(); - cleanup_touch(); -} |