diff --git a/camera/libcameraservice/FakeCamera.cpp b/camera/libcameraservice/FakeCamera.cpp
new file mode 100644
index 0000000..3592eab
--- /dev/null
+++ b/camera/libcameraservice/FakeCamera.cpp
@@ -0,0 +1,404 @@
+#define LOG_TAG "FakeCamera"
+#include <utils/Log.h>
+
+#include <string.h>
+#include <stdlib.h>
+#include "FakeCamera.h"
+
+namespace android {
+
+static int tables_initialized = 0;
+uint8_t *gYTable, *gCbTable, *gCrTable;
+
+static int
+clamp(int  x)
+{
+    if (x > 255) return 255;
+    if (x < 0)   return 0;
+    return x;
+}
+
+/* the equation used by the video code to translate YUV to RGB looks like this
+ *
+ *    Y  = (Y0 - 16)*k0
+ *    Cb = Cb0 - 128
+ *    Cr = Cr0 - 128
+ *
+ *    G = ( Y - k1*Cr - k2*Cb )
+ *    R = ( Y + k3*Cr )
+ *    B = ( Y + k4*Cb )
+ *
+ */
+
+static const double  k0 = 1.164;
+static const double  k1 = 0.813;
+static const double  k2 = 0.391;
+static const double  k3 = 1.596;
+static const double  k4 = 2.018;
+
+/* let's try to extract the value of Y
+ *
+ *   G + k1/k3*R + k2/k4*B = Y*( 1 + k1/k3 + k2/k4 )
+ *
+ *   Y  = ( G + k1/k3*R + k2/k4*B ) / (1 + k1/k3 + k2/k4)
+ *   Y0 = ( G0 + k1/k3*R0 + k2/k4*B0 ) / ((1 + k1/k3 + k2/k4)*k0) + 16
+ *
+ * let define:
+ *   kYr = k1/k3
+ *   kYb = k2/k4
+ *   kYy = k0 * ( 1 + kYr + kYb )
+ *
+ * we have:
+ *    Y  = ( G + kYr*R + kYb*B )
+ *    Y0 = clamp[ Y/kYy + 16 ]
+ */
+
+static const double kYr = k1/k3;
+static const double kYb = k2/k4;
+static const double kYy = k0*( 1. + kYr + kYb );
+
+static void
+initYtab( void )
+{
+    const  int imax = (int)( (kYr + kYb)*(31 << 2) + (61 << 3) + 0.1 );
+    int    i;
+
+    gYTable = (uint8_t *)malloc(imax);
+
+    for(i=0; i<imax; i++) {
+        int  x = (int)(i/kYy + 16.5);
+        if (x < 16) x = 16;
+        else if (x > 235) x = 235;
+        gYTable[i] = (uint8_t) x;
+    }
+}
+
+/*
+ *   the source is RGB565, so adjust for 8-bit range of input values:
+ *
+ *   G = (pixels >> 3) & 0xFC;
+ *   R = (pixels >> 8) & 0xF8;
+ *   B = (pixels & 0x1f) << 3;
+ *
+ *   R2 = (pixels >> 11)      R = R2*8
+ *   B2 = (pixels & 0x1f)     B = B2*8
+ *
+ *   kYr*R = kYr2*R2 =>  kYr2 = kYr*8
+ *   kYb*B = kYb2*B2 =>  kYb2 = kYb*8
+ *
+ *   we want to use integer multiplications:
+ *
+ *   SHIFT1 = 9
+ *
+ *   (ALPHA*R2) >> SHIFT1 == R*kYr  =>  ALPHA = kYr*8*(1 << SHIFT1)
+ *
+ *   ALPHA = kYr*(1 << (SHIFT1+3))
+ *   BETA  = kYb*(1 << (SHIFT1+3))
+ */
+
+static const int  SHIFT1  = 9;
+static const int  ALPHA   = (int)( kYr*(1 << (SHIFT1+3)) + 0.5 );
+static const int  BETA    = (int)( kYb*(1 << (SHIFT1+3)) + 0.5 );
+
+/*
+ *  now let's try to get the values of Cb and Cr
+ *
+ *  R-B = (k3*Cr - k4*Cb)
+ *
+ *    k3*Cr = k4*Cb + (R-B)
+ *    k4*Cb = k3*Cr - (R-B)
+ *
+ *  R-G = (k1+k3)*Cr + k2*Cb
+ *      = (k1+k3)*Cr + k2/k4*(k3*Cr - (R-B)/k0)
+ *      = (k1 + k3 + k2*k3/k4)*Cr - k2/k4*(R-B)
+ *
+ *  kRr*Cr = (R-G) + kYb*(R-B)
+ *
+ *  Cr  = ((R-G) + kYb*(R-B))/kRr
+ *  Cr0 = clamp(Cr + 128)
+ */
+
+static const double  kRr = (k1 + k3 + k2*k3/k4);
+
+static void
+initCrtab( void )
+{
+    uint8_t *pTable;
+    int i;
+
+    gCrTable = (uint8_t *)malloc(768*2);
+
+    pTable = gCrTable + 384;
+    for(i=-384; i<384; i++)
+        pTable[i] = (uint8_t) clamp( i/kRr + 128.5 );
+}
+
+/*
+ *  B-G = (k2 + k4)*Cb + k1*Cr
+ *      = (k2 + k4)*Cb + k1/k3*(k4*Cb + (R-B))
+ *      = (k2 + k4 + k1*k4/k3)*Cb + k1/k3*(R-B)
+ *
+ *  kBb*Cb = (B-G) - kYr*(R-B)
+ *
+ *  Cb   = ((B-G) - kYr*(R-B))/kBb
+ *  Cb0  = clamp(Cb + 128)
+ *
+ */
+
+static const double  kBb = (k2 + k4 + k1*k4/k3);
+
+static void
+initCbtab( void )
+{
+    uint8_t *pTable;
+    int i;
+
+    gCbTable = (uint8_t *)malloc(768*2);
+
+    pTable = gCbTable + 384;
+    for(i=-384; i<384; i++)
+        pTable[i] = (uint8_t) clamp( i/kBb + 128.5 );
+}
+
+/*
+ *   SHIFT2 = 16
+ *
+ *   DELTA = kYb*(1 << SHIFT2)
+ *   GAMMA = kYr*(1 << SHIFT2)
+ */
+
+static const int  SHIFT2 = 16;
+static const int  DELTA  = kYb*(1 << SHIFT2);
+static const int  GAMMA  = kYr*(1 << SHIFT2);
+
+int32_t ccrgb16toyuv_wo_colorkey(uint8_t *rgb16,uint8_t *yuv422,uint32_t *param,uint8_t *table[])
+{
+    uint16_t *inputRGB = (uint16_t*)rgb16;
+    uint8_t *outYUV =  yuv422;
+    int32_t width_dst = param[0];
+    int32_t height_dst = param[1];
+    int32_t pitch_dst = param[2];
+    int32_t mheight_dst = param[3];
+    int32_t pitch_src = param[4];
+    uint8_t *y_tab = table[0];
+    uint8_t *cb_tab = table[1];
+    uint8_t *cr_tab = table[2];
+
+    int32_t size16 = pitch_dst*mheight_dst;
+    int32_t i,j,count;
+    int32_t ilimit,jlimit;
+    uint8_t *tempY,*tempU,*tempV;
+    uint16_t pixels;
+    int   tmp;
+uint32_t temp;
+
+    tempY = outYUV;
+    tempU = outYUV + (height_dst * pitch_dst);
+    tempV = tempU + 1;
+
+    jlimit = height_dst;
+    ilimit = width_dst;
+
+    for(j=0; j<jlimit; j+=1)
+    {
+        for (i=0; i<ilimit; i+=2)
+        {
+            int32_t   G_ds = 0, B_ds = 0, R_ds = 0;
+            uint8_t   y0, y1, u, v;
+
+            pixels =  inputRGB[i];
+            temp = (ALPHA*(pixels & 0x001F) + BETA*(pixels>>11) );
+            y0   = y_tab[(temp>>SHIFT1) + ((pixels>>3) & 0x00FC)];
+
+            G_ds    += (pixels>>1) & 0x03E0;
+            B_ds    += (pixels<<5) & 0x03E0;
+            R_ds    += (pixels>>6) & 0x03E0;
+
+            pixels =  inputRGB[i+1];
+            temp = (ALPHA*(pixels & 0x001F) + BETA*(pixels>>11) );
+            y1   = y_tab[(temp>>SHIFT1) + ((pixels>>3) & 0x00FC)];
+
+            G_ds    += (pixels>>1) & 0x03E0;
+            B_ds    += (pixels<<5) & 0x03E0;
+            R_ds    += (pixels>>6) & 0x03E0;
+
+            R_ds >>= 1;
+            B_ds >>= 1;
+            G_ds >>= 1;
+
+            tmp = R_ds - B_ds;
+
+            u = cb_tab[(((R_ds-G_ds)<<SHIFT2) + DELTA*tmp)>>(SHIFT2+2)];
+            v = cr_tab[(((B_ds-G_ds)<<SHIFT2) - GAMMA*tmp)>>(SHIFT2+2)];
+
+            tempY[0] = y0;
+            tempY[1] = y1;
+            tempU[0] = u;
+            tempV[0] = v;
+
+            tempY += 2;
+            tempU += 2;
+            tempV += 2;
+        }
+
+        inputRGB += pitch_src;
+    }
+
+    return 1;
+}
+
+#define min(a,b) ((a)<(b)?(a):(b))
+#define max(a,b) ((a)>(b)?(a):(b))
+
+static void convert_rgb16_to_yuv422(uint8_t *rgb, uint8_t *yuv, int width, int height)
+{
+    if (!tables_initialized) {
+        initYtab();
+        initCrtab();
+        initCbtab();
+        tables_initialized = 1;
+    }
+
+    uint32_t param[6];
+    param[0] = (uint32_t) width;
+    param[1] = (uint32_t) height;
+    param[2] = (uint32_t) width;
+    param[3] = (uint32_t) height;
+    param[4] = (uint32_t) width;
+    param[5] = (uint32_t) 0;
+
+    uint8_t *table[3];
+    table[0] = gYTable;
+    table[1] = gCbTable + 384;
+    table[2] = gCrTable + 384;
+
+    ccrgb16toyuv_wo_colorkey(rgb, yuv, param, table);
+}
+
+const int FakeCamera::kRed;
+const int FakeCamera::kGreen;
+const int FakeCamera::kBlue;
+
+FakeCamera::FakeCamera(int width, int height)
+          : mTmpRgb16Buffer(0)
+{
+    setSize(width, height);
+}
+
+FakeCamera::~FakeCamera()
+{
+    delete[] mTmpRgb16Buffer;
+}
+
+void FakeCamera::setSize(int width, int height)
+{
+    mWidth = width;
+    mHeight = height;
+    mCounter = 0;
+    mCheckX = 0;
+    mCheckY = 0;
+
+    // This will cause it to be reallocated on the next call
+    // to getNextFrameAsYuv422().
+    delete[] mTmpRgb16Buffer;
+    mTmpRgb16Buffer = 0;
+}
+
+void FakeCamera::getNextFrameAsRgb565(uint16_t *buffer)
+{
+    int size = mWidth / 10;
+
+    drawCheckerboard(buffer, size);
+
+    int x = ((mCounter*3)&255);
+    if(x>128) x = 255 - x;
+    int y = ((mCounter*5)&255);
+    if(y>128) y = 255 - y;
+
+    drawSquare(buffer, x*size/32, y*size/32, (size*5)>>1, (mCounter&0x100)?kRed:kGreen, kBlue);
+
+    mCounter++;
+}
+
+void FakeCamera::getNextFrameAsYuv422(uint8_t *buffer)
+{
+    if (mTmpRgb16Buffer == 0)
+        mTmpRgb16Buffer = new uint16_t[mWidth * mHeight];
+
+    getNextFrameAsRgb565(mTmpRgb16Buffer);
+    convert_rgb16_to_yuv422((uint8_t*)mTmpRgb16Buffer, buffer, mWidth, mHeight);
+}
+
+void FakeCamera::drawSquare(uint16_t *dst, int x, int y, int size, int color, int shadow)
+{
+    int square_xstop, square_ystop, shadow_xstop, shadow_ystop;
+
+    square_xstop = min(mWidth, x+size);
+    square_ystop = min(mHeight, y+size);
+    shadow_xstop = min(mWidth, x+size+(size/4));
+    shadow_ystop = min(mHeight, y+size+(size/4));
+
+    // Do the shadow.
+    uint16_t *sh = &dst[(y+(size/4))*mWidth];
+    for (int j = y + (size/4); j < shadow_ystop; j++) {
+        for (int i = x + (size/4); i < shadow_xstop; i++) {
+            sh[i] &= shadow;
+        }
+        sh += mWidth;
+    }
+
+    // Draw the square.
+    uint16_t *sq = &dst[y*mWidth];
+    for (int j = y; j < square_ystop; j++) {
+        for (int i = x; i < square_xstop; i++) {
+            sq[i] = color;
+        }
+        sq += mWidth;
+    }
+}
+
+void FakeCamera::drawCheckerboard(uint16_t *dst, int size)
+{
+    bool black = true;
+
+    if((mCheckX/size)&1)
+        black = false;
+    if((mCheckY/size)&1)
+        black = !black;
+
+    int county = mCheckY%size;
+    int checkxremainder = mCheckX%size;
+
+    for(int y=0;y<mHeight;y++) {
+        int countx = checkxremainder;
+        bool current = black;
+        for(int x=0;x<mWidth;x++) {
+            dst[y*mWidth+x] = current?0:0xffff;
+            if(countx++ >= size) {
+                countx=0;
+                current = !current;
+            }
+        }
+        if(county++ >= size) {
+            county=0;
+            black = !black;
+        }
+    }
+    mCheckX += 3;
+    mCheckY++;
+}
+
+
+status_t FakeCamera::dump(int fd, const Vector<String16>& args)
+{
+    const size_t SIZE = 256;
+    char buffer[SIZE];
+    String8 result;
+    snprintf(buffer, 255, " width x height (%d x %d), counter (%d), check x-y coordinate(%d, %d)\n", mWidth, mHeight, mCounter, mCheckX, mCheckY);
+    result.append(buffer);
+    ::write(fd, result.string(), result.size());
+    return NO_ERROR;
+}
+
+
+}; // namespace android