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eyesis4pi-393-gui
Commit 69f41dac authored by Oleg Dzhimiev's avatar Oleg Dzhimiev
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preview jp4s in human viewable format

parent 358d2e79
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Showing with 6335 additions and 51 deletions
get-image.php 0 → 100644
View file @ 69f41dac
<?php
/**
* @file get-image.php
* @brief combat cross-origin
* @copyright Copyright (C) 2016 Elphel Inc.
* @author Oleg Dzhimiev <oleg@elphel.com>
*
* @par <b>License</b>:
* 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 3 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
if (isset($_GET['port']))
$port = $_GET['port'];
else
die();
if (isset($_GET['rel']))
$rel = $_GET['rel'];
else
die();
if (isset($_GET['ip']))
$ip = $_GET['ip'];
else
$ip = "localhost";
/*
header("Location: http://{$_SERVER['HTTP_HOST']}:$port/$rel");
die();
*/
header('Content-type:image/jpeg');
echo file_get_contents("http://$ip:$port/$rel");
die();
?>
index.html
View file @ 69f41dac
......@@ -12,6 +12,12 @@
<script src="js/jquery-ui-1.12.1.custom/jquery-ui.min.js" type="text/javascript"></script>
<link rel="stylesheet" type="text/css" href="js/jquery-ui-1.12.1.custom/jquery-ui.theme.min.css" />
-->
<script src="js/elphel.js"></script>
<script src="js/jcanvas.js"></script>
<script src="js/exif.js"></script>
<script src="js/jquery-jp4.js"></script>
<script src="js/functions.js" type="text/javascript"></script>
<script src="js/temperatures.js" type="text/javascript"></script>
<script src="js/settings.js" type="text/javascript"></script>
......
js/camogm.js
View file @ 69f41dac
......@@ -98,15 +98,10 @@ function camogm_create_table(){
}
function camogm_get_ssd_free_space(mount_en){
// if (mount_en){
// //camogm_cmd("mount",false);
// camogm_cmd("get_hdd_space&mount_point=/var/html/CF",false,camogm_parse_hdd_free_space);
// //camogm_cmd("unmount",true);
// }else{
// camogm_cmd("get_hdd_space&mount_point=/var/html/CF",true,camogm_parse_hdd_free_space);
// }
camogm_cmd("get_free_space&mount_point=/mnt/sda1",true,camogm_parse_hdd_free_space);
//camogm_cmd("unmount",true);
console.log("get_free_space is disabled");
//camogm_cmd("get_free_space&mount_point=/mnt/sda1",true,camogm_parse_hdd_free_space);
}
function camogm_parse_hdd_free_space(data){
......
js/elphel.js 0 → 100644
View file @ 69f41dac
/**
* @file elphel.js
* @brief functions for pixel manipulation and drawing on canvas
* @copyright Copyright (C) 2017 Elphel Inc.
* @author Oleg Dzhimiev <oleg@elphel.com>
*
* @licstart The following is the entire license notice for the
* JavaScript code in this page.
*
* The JavaScript code in this page is free software: you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License (GNU GPL) as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. The code is distributed WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*
* As additional permission under GNU GPL version 3 section 7, you
* may distribute non-source (e.g., minimized or compacted) forms of
* that code without the copy of the GNU GPL normally required by
* section 4, provided you include this license notice and a URL
* through which recipients can access the Corresponding Source.
*
* @licend The above is the entire license notice
* for the JavaScript code in this page.
*/
var Elphel = {
// Drawing
Canvas:{
/**
* Name: putImageData - the same but not the same
* Description: -
*/
putImageData: function(ctx,px,width,height){
var t0 = Date.now();
ctx.canvas.width = width;
ctx.canvas.height = height;
var imgdata = new ImageData(new Uint8ClampedArray(px), width, height);
ctx.putImageData(imgdata,0,0);
console.log("drawImageData(): "+(Date.now()-t0)/1000+" s");
/*
// new: http://stackoverflow.com/questions/15908179/draw-image-from-pixel-array-on-canvas-with-putimagedata
// obsolete:
//var img = ctx.createImageData(ctx.canvas.width,ctx.canvas.height);
//var imgdata = img.data;
// byte-copy?!!
for(var i=0;i<(imgdata.length>>2);i++){
imgdata[4*i+0] = px[4*i+0];
imgdata[4*i+1] = px[4*i+1];
imgdata[4*i+2] = px[4*i+2];
imgdata[4*i+3] = px[4*i+3];
}
ctx.putImageData(img,0,0);
*/
},
/**
* Name: drawScaled
* Description: Plugin specific. Takes source canvas - draws a scaled
* version on destination canvas
*/
drawScaled: function(cnv_src,cnv_dst,width){
var t0 = Date.now();
var ctx = cnv_src[0].getContext('2d');
var tw = ctx.canvas.width;
var th = ctx.canvas.height;
var tr = tw/th;
var sctx = cnv_dst[0].getContext('2d');
var w = Math.round(width);
var h = Math.round(w/tr);
sctx.canvas.width = w;
sctx.canvas.height = h;
//cscale = Math.round(w/tw*100)/100;
//option 1
//cscale = w/tw;
//sctx.scale(cscale,cscale);
//sctx.drawImage(cnv_src[0],0,0);
// option 2
sctx.drawImage(cnv_src[0],0,0,ctx.canvas.width,ctx.canvas.height,0,0,sctx.canvas.width,sctx.canvas.height);
console.log("drawScaled(): "+(Date.now()-t0)/1000+" s");
}
},
// Pixel manipulation
Pixels:{
/**
* Name: reorderJP4Blocks
* Description: clear from the function's name
*
* @pixels - pixel array, read from origin canvas
* pixels is a long 1-D array with the following structure:
* pix[i+0] - red
* pix[i+1] - green
* pix[i+2] - blue
* pix[i+3] - alpha
* @width - origin canvas width
* @height - origin canvas height
* @format - value comes from exif.js function
* 'jpeg' - skip reordering
* 'jp4' - jp4 reordeing
* 'jp46' - jp46 reordering
* @mosaic - [["Gr","R"],["B","Gb"]] - value comes from application
* odd lines: Gr,R,Gr,R
* even lines: B,Gb,B,Gb
* @nwd - true/false - comes from application - demosaicing: 'Nearest Neighbor' with 1/2 scale -
* put mosaic (different channels) for GrRBGb into one pixel for
* faster performance
*/
reorderBlocksJPx: function(pixels,width,height,format="JP4",mosaic=[["Gr","R"],["B" ,"Gb"]],nwd=false){
var t0 = Date.now();
// pixels is a long 1-D array with the following structure:
// pix[i+0] - red
// pix[i+1] - green
// pix[i+2] - blue
// pix[i+3] - alpha
var oPixels = new Uint8Array((nwd)?pixels.length/4:pixels.length);
// buffer for reordering pixels
var macroblock = new Array(); //16x16
for (var y=0;y<16;y++) macroblock[y]=new Array();
// in JP4 format the 16x16 block is 32x8 (GRBG)
// the 1st line of 32x8 blocks is the left half of the image
// the 2nd line of 32x8 blocks is the right half
// vertical step = 16 pixels
for (yb=0;yb<(height>>4);yb++){
// horizontal step = 16 pixels
for (xb=0;xb<(width>>4);xb++) {
if (format=="JP4") {
// 32x8 block reorder into 16x16
for (nb=0;nb<4;nb++) {
xbyr= nb&1; // horizontal odd-even
ybyr=(nb>>1)&1; // vertical odd-even
for (y=0;y<8;y++) {
// xb < half image -> 1st line of 32x8
// xb >= half image -> 2nd line of 32x8
//offset=(((yb<<4)+y)*width)+(nb<<3)+((xb>=(width>>5))?(((xb<<5)-width)+(width<<3)):(xb<<5));
offset=(((yb<<4)+y)*width)+(nb<<3)+(xb<<5)+((xb>=(width>>5))?((width<<3)-width):0);
for (x=0;x<8;x++) {
macroblock[(y<<1)|ybyr][(x<<1)|xbyr]=pixels[4*(offset+x)];
}
}
}
}
if (format=="JP46") {
for (y=0;y<16;y++) {
offset=((yb<<4)+y)*width+(xb<<4);
for (x=0;x<16;x++) {
//Red value only
macroblock[((y<<1)&0xe)|((y>>3)&0x1)][((x<<1)&0xe)|((x>>3)&0x1)]=pixels[4*(offset+x)];
}
}
}
if (nwd){
for (y=0;y<8;y++){
offset=width/2*((yb<<4)/2+y)+(xb<<4)/2;
for (x=0;x<8;x++) {
for(k=0;k<4;k++){
y0 = 2*y+((k>>1)&1);
x0 = 2*x+(k&1);
if (mosaic[y0&1][x0&1]=="R") r = macroblock[y0][x0];
else if (mosaic[y0&1][x0&1]=="Gr") gr = macroblock[y0][x0];
else if (mosaic[y0&1][x0&1]=="Gb") gb = macroblock[y0][x0];
else if (mosaic[y0&1][x0&1]=="B") b = macroblock[y0][x0];
}
g = (gr+gb)>>1;
oPixels[4*(offset+x)+0] = r;//4*(8*y+x);
oPixels[4*(offset+x)+1] = g;//4*(8*y+x);
oPixels[4*(offset+x)+2] = b;//4*(8*y+x);
oPixels[4*(offset+x)+3] = 255;
}
}
}else{
for (y=0;y<16;y++){
offset=width*((yb<<4)+y)+(xb<<4);
for (x=0;x<16;x++) {
//red +0, green +1, blue +2, alpha +3
// thinking: GRBG
oPixels[4*(offset+x)+0] = ((mosaic[y&1][x&1]=="R" ) )?macroblock[y][x]:0;
oPixels[4*(offset+x)+1] = ((mosaic[y&1][x&1]=="Gr")||(mosaic[y%2][x%2]=="Gb"))?macroblock[y][x]:0;
oPixels[4*(offset+x)+2] = ((mosaic[y&1][x&1]=="B" ) )?macroblock[y][x]:0;
oPixels[4*(offset+x)+3] = 255;
}
}
}
}
}
console.log("reorderJP4Blocks: "+(Date.now()-t0)/1000+" s");
return oPixels;
},
/**
* Name: demosaicNearestNeighbor with downscale
* Description: A separate function, just in case, same as in
* reorderJP4Blocks
*
* @pixels - pixel array, read from origin canvas
* pixels is a long 1-D array with the following structure:
* pix[i+0] - red
* pix[i+1] - green
* pix[i+2] - blue
* pix[i+3] - alpha
* @width - origin canvas width
* @height - origin canvas height
* @mosaic - [["Gr","R"],["B","Gb"]] - value comes from application
* odd lines: Gr,R,Gr,R
* even lines: B,Gb,B,Gb
*/
demosaicNearestNeighbor: function(pixels,width,height,mosaic=[["Gr","R"],["B" ,"Gb"]]){
var t0 = Date.now();
var oPixels = new Uint8Array(pixels.length/4);
for(var y=0;y<height/2;y++){
for(var x=0;x<width/2;x++){
for(var k=0;k<4;k++){
y0 = (k>>1)&1;
x0 = k&1;
if (mosaic[y0&1][x0&1]=="R") r = pixels[4*(width*(2*y+y0)+2*x+x0)+0];
else if (mosaic[y0&1][x0&1]=="Gr") gr = pixels[4*(width*(2*y+y0)+2*x+x0)+1];
else if (mosaic[y0&1][x0&1]=="Gb") gb = pixels[4*(width*(2*y+y0)+2*x+x0)+1];
else if (mosaic[y0&1][x0&1]=="B") b = pixels[4*(width*(2*y+y0)+2*x+x0)+2];
}
g = (gr+gb)>>1;
oPixels[4*(width/2*y+x)+0] = r;
oPixels[4*(width/2*y+x)+1] = g;
oPixels[4*(width/2*y+x)+2] = b;
oPixels[4*(width/2*y+x)+3] = 255;
}
}
console.log("demosaicNearestNeighbor(): "+(Date.now()-t0)/1000+" s");
return oPixels;
},
/**
* Name: demosaicBilinear
* Description: a simple bilinear demosaicing
*
* @pixels - pixel array, read from origin canvas
* pixels is a long 1-D array with the following structure:
* pix[i+0] - red
* pix[i+1] - green
* pix[i+2] - blue
* pix[i+3] - alpha
* @width - origin canvas width
* @height - origin canvas height
* @mosaic - [["Gr","R"],["B","Gb"]] - value comes from application
* odd lines: Gr,R,Gr,R
* even lines: B,Gb,B,Gb
* @precise - true/false:
* true - calculate values then apply gamma - provide linear pixel array
* px_linear (8bit) = px^gamma (32bit), gamma=2
* false - calculate values from gamma encoded pixels - 2-4x times faster
*/
demosaicBilinear: function(pixels, width, height, mosaic=[["Gr","R"],["B" ,"Gb"]], precise=false){
var t0 = Date.now();
var oPixels = new Uint8Array(pixels.length);
var x_l = 0, x_r = 0;
var y_t = 0, y_b = 0;
var x = width;
var y = height;
for(var y=0;y<height;y++){
for(var x=0;x<width;x++){
x_l = (x==0)?1:(x-1);
x_r = (x==(width-1))?(width-2):(x+1);
y_t = (y==0)?1:(y-1);
y_b = (y==(height-1))?(height-2):(y+1);
//Gr
if (mosaic[y%2][x%2]=="Gr"){
Pr_y0xl = pixels[4*(width*(y+0)+(x_l))+0];
Pr_y0xr = pixels[4*(width*(y+0)+(x_r))+0];
Pb_ybx0 = pixels[4*(width*(y_b)+(x+0))+2];
Pb_ytx0 = pixels[4*(width*(y_t)+(x+0))+2];
if (precise){
//Pr = pixel_l2g(1/2*(pixel_g2l(Pr_y0xl)+pixel_g2l(Pr_y0xr)));
//Pb = pixel_l2g(1/2*(pixel_g2l(Pb_ybx0)+pixel_g2l(Pb_ytx0)));
Pr = this.Functions.l2g(1/2*(Pr_y0xl+Pr_y0xr));
Pb = this.Functions.l2g(1/2*(Pb_ybx0+Pb_ytx0));
}else{
Pr = 1/2*(Pr_y0xl+Pr_y0xr);
Pb = 1/2*(Pb_ybx0+Pb_ytx0);
}
oPixels[4*(width*y+x)+0]=Math.round(Pr);
oPixels[4*(width*y+x)+2]=Math.round(Pb);
}
//R
if (mosaic[y%2][x%2]=="R"){
Pg_ytx0 = pixels[4*(width*(y_t)+(x+0))+1];
Pg_y0xl = pixels[4*(width*(y+0)+(x_l))+1];
Pg_y0xr = pixels[4*(width*(y+0)+(x_r))+1];
Pg_ybx0 = pixels[4*(width*(y_b)+(x+0))+1];
Pb_ytxl = pixels[4*(width*(y_t)+(x_l))+2];
Pb_ytxr = pixels[4*(width*(y_t)+(x_r))+2];
Pb_ybxl = pixels[4*(width*(y_b)+(x_l))+2];
Pb_ybxr = pixels[4*(width*(y_b)+(x_r))+2];
if (precise){
Pg = this.Functions.l2g(1/4*(Pg_ytx0+Pg_y0xl+Pg_y0xr+Pg_ybx0));
Pb = this.Functions.l2g(1/4*(Pb_ytxl+Pb_ytxr+Pb_ybxl+Pb_ybxr));
}else{
Pg = 1/4*(Pg_ytx0+Pg_y0xl+Pg_y0xr+Pg_ybx0);
Pb = 1/4*(Pb_ytxl+Pb_ytxr+Pb_ybxl+Pb_ybxr);
}
oPixels[4*(width*y+x)+1]=Math.round(Pg);
oPixels[4*(width*y+x)+2]=Math.round(Pb);
}
//B
if (mosaic[y%2][x%2]=="B"){
Pr_ytxl = pixels[4*(width*(y_t)+(x_l))+0];
Pr_ytxr = pixels[4*(width*(y_t)+(x_r))+0];
Pr_ybxl = pixels[4*(width*(y_b)+(x_l))+0];
Pr_ybxr = pixels[4*(width*(y_b)+(x_r))+0];
Pg_ytx0 = pixels[4*(width*(y_t)+(x+0))+1];
Pg_y0xl = pixels[4*(width*(y+0)+(x_l))+1];
Pg_y0xr = pixels[4*(width*(y+0)+(x_r))+1];
Pg_ybx0 = pixels[4*(width*(y_b)+(x+0))+1];
if (precise){
Pr = this.Functions.l2g(1/4*(Pr_ytxl+Pr_ytxr+Pr_ybxl+Pr_ybxr));
Pg = this.Functions.l2g(1/4*(Pg_ytx0+Pg_y0xl+Pg_y0xr+Pg_ybx0));
}else{
Pr = 1/4*(Pr_ytxl+Pr_ytxr+Pr_ybxl+Pr_ybxr);
Pg = 1/4*(Pg_ytx0+Pg_y0xl+Pg_y0xr+Pg_ybx0);
}
oPixels[4*(width*y+x)+0]=Math.round(Pr);
oPixels[4*(width*y+x)+1]=Math.round(Pg);
}
//Gb
if (mosaic[y%2][x%2]=="Gb"){
Pr_ytx0 = pixels[4*(width*(y_t)+(x+0))+0];
Pr_ybx0 = pixels[4*(width*(y_b)+(x+0))+0];
Pb_y0xl = pixels[4*(width*(y+0)+(x_l))+2];
Pb_y0xr = pixels[4*(width*(y+0)+(x_r))+2];
if (precise){
Pr = this.Functions.l2g(1/2*(Pr_ytx0+Pr_ybx0));
Pb = this.Functions.l2g(1/2*(Pb_y0xl+Pb_y0xr));
}else{
Pr = 1/2*(Pr_ytx0+Pr_ybx0);
Pb = 1/2*(Pb_y0xl+Pb_y0xr);
}
oPixels[4*(width*y+x)+0]=Math.round(Pr);
oPixels[4*(width*y+x)+2]=Math.round(Pb);
}
}
}
console.log("demosaicBilinear(): "+(Date.now()-t0)/1000+" s");
return oPixels;
},
/**
* Name: showSingleColorChannel
* Description: make a BW from selected channel
*
* @pixels - pixel array, read from origin canvas
* pixels is a long 1-D array with the following structure:
* pix[i+0] - red
* pix[i+1] - green
* pix[i+2] - blue
* pix[i+3] - alpha
* @width - origin canvas width (not really needed)
* @height - origin canvas height (not really needed)
* @channel - string - "red","green","blue"
*/
showSingleColorChannel: function(pixels, width, height, channel){
for(var y=0;y<height;y++){
for(var x=0;x<width;x++){
r = pixels[4*(width*y+x)+0];
g = pixels[4*(width*y+x)+1];
b = pixels[4*(width*y+x)+2];
if (channel=="red"){
pixels[4*(width*y+x)+0]=r;
pixels[4*(width*y+x)+1]=r;
pixels[4*(width*y+x)+2]=r;
}else if (channel=="green"){
pixels[4*(width*y+x)+0]=g;
pixels[4*(width*y+x)+1]=g;
pixels[4*(width*y+x)+2]=g;
}else if (channel=="blue"){
pixels[4*(width*y+x)+0]=b;
pixels[4*(width*y+x)+1]=b;
pixels[4*(width*y+x)+2]=b;
}
}
}
return pixels;
},
/**
* Name: applySaturation
* Description: get data from ctx saturate and redraw
*
* @pixels - pixel array, read from origin canvas
* pixels is a long 1-D array with the following structure:
* pix[i+0] - red
* pix[i+1] - green
* pix[i+2] - blue
* pix[i+3] - alpha
* @width - origin canvas width
* @height - origin canvas height
* @s - saturation coefficient
*/
applySaturation: function(pixels,width,height,s){
var r,g,b;
var Y,Cb,Cr;
for(var y=0;y<height;y++){
for(var x=0;x<width;x++){
r = pixels[4*(width*y+x)+0];
g = pixels[4*(width*y+x)+1];
b = pixels[4*(width*y+x)+2];
Y = 0.299*r+0.5870*g+ 0.144*b;
Cb = 128+s*(-0.1687*r-0.3313*g+ 0.500*b);
Cr = 128+s*( 0.5*r-0.4187*g-0.0813*b);
if (Cb<0) Cb=0; if (Cb>255) Cb=255;
if (Cr<0) Cr=0; if (Cr>255) Cr=255;
r = Y + 1.402*(Cr-128);
g = Y - 0.34414*(Cb-128)-0.71414*(Cr-128);
b = Y + 1.772*(Cb-128);
if (r<0) r=0; if (r>255) r=255;
if (g<0) g=0; if (g>255) g=255;
if (b<0) b=0; if (b>255) b=255;
pixels[4*(width*y+x)+0]=r;
pixels[4*(width*y+x)+1]=g;
pixels[4*(width*y+x)+2]=b;
pixels[4*(width*y+x)+3]=255;
}
}
return pixels;
},
/**
* Name: diffColorChannels
* Description: color channel difference
*
*/
diffColorChannels: function(pixels,chn1,chn2,k=1){
var t0 = Date.now();
var i1 = 0;
if (chn1=="green") i1 = 1;
if (chn1=="blue") i1 = 2;
var i2 = 0;
if (chn2=="green") i2 = 1;
if (chn2=="blue") i2 = 2;
for(var i=0;i<(pixels.length>>2);i++){
diff = k*pixels[4*i+i1] - pixels[4*i+i2];
pixels[4*i+0] = diff;
pixels[4*i+1] = diff;
pixels[4*i+2] = diff;
pixels[4*i+3] = 255;
}
console.log("diffColorChannels(): "+(Date.now()-t0)/1000+" s");
return pixels;
},
/**
* Name: ndvi_experimental
* Description: get ndvi
*/
ndvi_experimental: function(pixels){
var r,g,b;
var NIR,RED,NDVI;
for(var i=0;i<(pixels.length>>2);i++){
r = pixels[4*i+0];
g = pixels[4*i+1];
b = pixels[4*i+2];
if ((b>r)||(g>r)) {
console.log("Color error!");
NIR = 0;
RED = 1;
//if (b>r) pixels[4*(width*y+x)+2]=255;
if (b>r) pixels[4*i+2]=0;
if (g>r) pixels[4*i+1]=0;
pixels[4*i+0]=200;
}else{
if ((r-b)<20) b = 0;
k = 0.6;
RED = (r-g)/(1-k);
NIR = (r - RED)*2.5;
NDVI = (NIR-RED)/(NIR+RED);
//color
if (NDVI<0.00){r=0;g= 0;b= 0;}
else if (NDVI<0.50){r=200 ;g=400*(0.5-NDVI);b=0;}
else if (NDVI<1.00){r=400*(1-NDVI);g=200; b=0;}
else{
r = 150; g = 150; b = 150;
}
//console.log("RED="+RED+" NIR="+NIR);
pixels[4*i+0]=r;
pixels[4*i+1]=g;
pixels[4*i+2]=b;
}
}
return pixels;
},
/**
* Name: gammaEncode
* Description: -
*/
gammaEncode: function(pixels){
for(var i=0;i<(pixels.length>>2);i++){
pixels[4*i+0] = this.Functions.l2g(pixels[4*i+0]);
pixels[4*i+1] = this.Functions.l2g(pixels[4*i+1]);
pixels[4*i+2] = this.Functions.l2g(pixels[4*i+2]);
}
return pixels;
},
/**
* Name: gammaDecode
* Description: -
*/
gammaDecode: function(pixels){
for(var i=0;i<(pixels.length>>2);i++){
pixels[4*i+0] = this.Functions.g2l(pixels[4*i+0]);
pixels[4*i+1] = this.Functions.g2l(pixels[4*i+1]);
pixels[4*i+2] = this.Functions.g2l(pixels[4*i+2]);
}
return pixels;
}
},
// simple funcitons
Functions:{
/**
* Name: l2g
* Desctiptin: convert a value from linear to gamma encoded,
* close to square root
*/
l2g: function(pv){
// assuming gamma=2
var tmp = Math.sqrt(pv);
if (tmp>255) tmp = 255;
return tmp;
},
/*
* Name: g2l
* Desctiptin: convert a value gamma encoded to linear,
* close to square
*/
g2l: function(pv){
// assuming gamma = 2
var tmp = pv*pv;
return tmp;
}
},
test: function(){
console.log("Test message from elphel.js: ok");
}
}
\ No newline at end of file
js/exif.js 0 → 100644
View file @ 69f41dac
/*
The MIT License (MIT)
Copyright (c) 2008 Jacob Seidelin
Permission is hereby granted, free of charge, to any person obtaining a copy of this software
and associated documentation files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute,
sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies
or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR
A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
OR OTHER DEALINGS IN THE SOFTWARE.
----------------------------------------------------------------------------------------------*/
(function() {
var debug = false;
var root = this;
var EXIF = function(obj) {
if (obj instanceof EXIF) return obj;
if (!(this instanceof EXIF)) return new EXIF(obj);
this.EXIFwrapped = obj;
};
if (typeof exports !== 'undefined') {
if (typeof module !== 'undefined' && module.exports) {
exports = module.exports = EXIF;
}
exports.EXIF = EXIF;
} else {
root.EXIF = EXIF;
}
var ExifTags = EXIF.Tags = {
// version tags
0x9000 : "ExifVersion", // EXIF version
0xA000 : "FlashpixVersion", // Flashpix format version
// colorspace tags
0xA001 : "ColorSpace", // Color space information tag
// image configuration
0xA002 : "PixelXDimension", // Valid width of meaningful image
0xA003 : "PixelYDimension", // Valid height of meaningful image
0x9101 : "ComponentsConfiguration", // Information about channels
0x9102 : "CompressedBitsPerPixel", // Compressed bits per pixel
// user information
0x927C : "MakerNote", // Any desired information written by the manufacturer
0x9286 : "UserComment", // Comments by user
// related file
0xA004 : "RelatedSoundFile", // Name of related sound file
// date and time
0x9003 : "DateTimeOriginal", // Date and time when the original image was generated
0x9004 : "DateTimeDigitized", // Date and time when the image was stored digitally
0x9290 : "SubsecTime", // Fractions of seconds for DateTime
0x9291 : "SubsecTimeOriginal", // Fractions of seconds for DateTimeOriginal
0x9292 : "SubsecTimeDigitized", // Fractions of seconds for DateTimeDigitized
// picture-taking conditions
0x829A : "ExposureTime", // Exposure time (in seconds)
0x829D : "FNumber", // F number
0x8822 : "ExposureProgram", // Exposure program
0x8824 : "SpectralSensitivity", // Spectral sensitivity
0x8827 : "ISOSpeedRatings", // ISO speed rating
0x8828 : "OECF", // Optoelectric conversion factor
0x9201 : "ShutterSpeedValue", // Shutter speed
0x9202 : "ApertureValue", // Lens aperture
0x9203 : "BrightnessValue", // Value of brightness
0x9204 : "ExposureBias", // Exposure bias
0x9205 : "MaxApertureValue", // Smallest F number of lens
0x9206 : "SubjectDistance", // Distance to subject in meters
0x9207 : "MeteringMode", // Metering mode
0x9208 : "LightSource", // Kind of light source
0x9209 : "Flash", // Flash status
0x9214 : "SubjectArea", // Location and area of main subject
0x920A : "FocalLength", // Focal length of the lens in mm
0xA20B : "FlashEnergy", // Strobe energy in BCPS
0xA20C : "SpatialFrequencyResponse", //
0xA20E : "FocalPlaneXResolution", // Number of pixels in width direction per FocalPlaneResolutionUnit
0xA20F : "FocalPlaneYResolution", // Number of pixels in height direction per FocalPlaneResolutionUnit
0xA210 : "FocalPlaneResolutionUnit", // Unit for measuring FocalPlaneXResolution and FocalPlaneYResolution
0xA214 : "SubjectLocation", // Location of subject in image
0xA215 : "ExposureIndex", // Exposure index selected on camera
0xA217 : "SensingMethod", // Image sensor type
0xA300 : "FileSource", // Image source (3 == DSC)
0xA301 : "SceneType", // Scene type (1 == directly photographed)
0xA302 : "CFAPattern", // Color filter array geometric pattern
0xA401 : "CustomRendered", // Special processing
0xA402 : "ExposureMode", // Exposure mode
0xA403 : "WhiteBalance", // 1 = auto white balance, 2 = manual
0xA404 : "DigitalZoomRation", // Digital zoom ratio
0xA405 : "FocalLengthIn35mmFilm", // Equivalent foacl length assuming 35mm film camera (in mm)
0xA406 : "SceneCaptureType", // Type of scene
0xA407 : "GainControl", // Degree of overall image gain adjustment
0xA408 : "Contrast", // Direction of contrast processing applied by camera
0xA409 : "Saturation", // Direction of saturation processing applied by camera
0xA40A : "Sharpness", // Direction of sharpness processing applied by camera
0xA40B : "DeviceSettingDescription", //
0xA40C : "SubjectDistanceRange", // Distance to subject
// other tags
0xA005 : "InteroperabilityIFDPointer",
0xA420 : "ImageUniqueID" // Identifier assigned uniquely to each image
};
var TiffTags = EXIF.TiffTags = {
0x0100 : "ImageWidth",
0x0101 : "ImageHeight",
0x8769 : "ExifIFDPointer",
0x8825 : "GPSInfoIFDPointer",
0xA005 : "InteroperabilityIFDPointer",
0x0102 : "BitsPerSample",
0x0103 : "Compression",
0x0106 : "PhotometricInterpretation",
0x0112 : "Orientation",
0x0115 : "SamplesPerPixel",
0x011C : "PlanarConfiguration",
0x0212 : "YCbCrSubSampling",
0x0213 : "YCbCrPositioning",
0x011A : "XResolution",
0x011B : "YResolution",
0x0128 : "ResolutionUnit",
0x0111 : "StripOffsets",
0x0116 : "RowsPerStrip",
0x0117 : "StripByteCounts",
0x0201 : "JPEGInterchangeFormat",
0x0202 : "JPEGInterchangeFormatLength",
0x012D : "TransferFunction",
0x013E : "WhitePoint",
0x013F : "PrimaryChromaticities",
0x0211 : "YCbCrCoefficients",
0x0214 : "ReferenceBlackWhite",
0x0132 : "DateTime",
0x010E : "ImageDescription",
0x010F : "Make",
0x0110 : "Model",
0x0131 : "Software",
0x013B : "Artist",
0x8298 : "Copyright"
};
var GPSTags = EXIF.GPSTags = {
0x0000 : "GPSVersionID",
0x0001 : "GPSLatitudeRef",
0x0002 : "GPSLatitude",
0x0003 : "GPSLongitudeRef",
0x0004 : "GPSLongitude",
0x0005 : "GPSAltitudeRef",
0x0006 : "GPSAltitude",
0x0007 : "GPSTimeStamp",
0x0008 : "GPSSatellites",
0x0009 : "GPSStatus",
0x000A : "GPSMeasureMode",
0x000B : "GPSDOP",
0x000C : "GPSSpeedRef",
0x000D : "GPSSpeed",
0x000E : "GPSTrackRef",
0x000F : "GPSTrack",
0x0010 : "GPSImgDirectionRef",
0x0011 : "GPSImgDirection",
0x0012 : "GPSMapDatum",
0x0013 : "GPSDestLatitudeRef",
0x0014 : "GPSDestLatitude",
0x0015 : "GPSDestLongitudeRef",
0x0016 : "GPSDestLongitude",
0x0017 : "GPSDestBearingRef",
0x0018 : "GPSDestBearing",
0x0019 : "GPSDestDistanceRef",
0x001A : "GPSDestDistance",
0x001B : "GPSProcessingMethod",
0x001C : "GPSAreaInformation",
0x001D : "GPSDateStamp",
0x001E : "GPSDifferential"
};
var StringValues = EXIF.StringValues = {
ExposureProgram : {
0 : "Not defined",
1 : "Manual",
2 : "Normal program",
3 : "Aperture priority",
4 : "Shutter priority",
5 : "Creative program",
6 : "Action program",
7 : "Portrait mode",
8 : "Landscape mode"
},
MeteringMode : {
0 : "Unknown",
1 : "Average",
2 : "CenterWeightedAverage",
3 : "Spot",
4 : "MultiSpot",
5 : "Pattern",
6 : "Partial",
255 : "Other"
},
LightSource : {
0 : "Unknown",
1 : "Daylight",
2 : "Fluorescent",
3 : "Tungsten (incandescent light)",
4 : "Flash",
9 : "Fine weather",
10 : "Cloudy weather",
11 : "Shade",
12 : "Daylight fluorescent (D 5700 - 7100K)",
13 : "Day white fluorescent (N 4600 - 5400K)",
14 : "Cool white fluorescent (W 3900 - 4500K)",
15 : "White fluorescent (WW 3200 - 3700K)",
17 : "Standard light A",
18 : "Standard light B",
19 : "Standard light C",
20 : "D55",
21 : "D65",
22 : "D75",
23 : "D50",
24 : "ISO studio tungsten",
255 : "Other"
},
Flash : {
0x0000 : "Flash did not fire",
0x0001 : "Flash fired",
0x0005 : "Strobe return light not detected",
0x0007 : "Strobe return light detected",
0x0009 : "Flash fired, compulsory flash mode",
0x000D : "Flash fired, compulsory flash mode, return light not detected",
0x000F : "Flash fired, compulsory flash mode, return light detected",
0x0010 : "Flash did not fire, compulsory flash mode",
0x0018 : "Flash did not fire, auto mode",
0x0019 : "Flash fired, auto mode",
0x001D : "Flash fired, auto mode, return light not detected",
0x001F : "Flash fired, auto mode, return light detected",
0x0020 : "No flash function",
0x0041 : "Flash fired, red-eye reduction mode",
0x0045 : "Flash fired, red-eye reduction mode, return light not detected",
0x0047 : "Flash fired, red-eye reduction mode, return light detected",
0x0049 : "Flash fired, compulsory flash mode, red-eye reduction mode",
0x004D : "Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected",
0x004F : "Flash fired, compulsory flash mode, red-eye reduction mode, return light detected",
0x0059 : "Flash fired, auto mode, red-eye reduction mode",
0x005D : "Flash fired, auto mode, return light not detected, red-eye reduction mode",
0x005F : "Flash fired, auto mode, return light detected, red-eye reduction mode"
},
SensingMethod : {
1 : "Not defined",
2 : "One-chip color area sensor",
3 : "Two-chip color area sensor",
4 : "Three-chip color area sensor",
5 : "Color sequential area sensor",
7 : "Trilinear sensor",
8 : "Color sequential linear sensor"
},
SceneCaptureType : {
0 : "Standard",
1 : "Landscape",
2 : "Portrait",
3 : "Night scene"
},
SceneType : {
1 : "Directly photographed"
},
CustomRendered : {
0 : "Normal process",
1 : "Custom process"
},
WhiteBalance : {
0 : "Auto white balance",
1 : "Manual white balance"
},
GainControl : {
0 : "None",
1 : "Low gain up",
2 : "High gain up",
3 : "Low gain down",
4 : "High gain down"
},
Contrast : {
0 : "Normal",
1 : "Soft",
2 : "Hard"
},
Saturation : {
0 : "Normal",
1 : "Low saturation",
2 : "High saturation"
},
Sharpness : {
0 : "Normal",
1 : "Soft",
2 : "Hard"
},
SubjectDistanceRange : {
0 : "Unknown",
1 : "Macro",
2 : "Close view",
3 : "Distant view"
},
FileSource : {
3 : "DSC"
},
Components : {
0 : "",
1 : "Y",
2 : "Cb",
3 : "Cr",
4 : "R",
5 : "G",
6 : "B"
}
};
function addEvent(element, event, handler) {
if (element.addEventListener) {
element.addEventListener(event, handler, false);
} else if (element.attachEvent) {
element.attachEvent("on" + event, handler);
}
}
function imageHasData(img) {
return !!(img.exifdata);
}
function base64ToArrayBuffer(base64, contentType) {
contentType = contentType || base64.match(/^data\:([^\;]+)\;base64,/mi)[1] || ''; // e.g. 'data:image/jpeg;base64,...' => 'image/jpeg'
base64 = base64.replace(/^data\:([^\;]+)\;base64,/gmi, '');
var binary = atob(base64);
var len = binary.length;
var buffer = new ArrayBuffer(len);
var view = new Uint8Array(buffer);
for (var i = 0; i < len; i++) {
view[i] = binary.charCodeAt(i);
}
return buffer;
}
function objectURLToBlob(url, callback) {
var http = new XMLHttpRequest();
http.open("GET", url, true);
http.responseType = "blob";
http.onload = function(e) {
if (this.status == 200 || this.status === 0) {
callback(this.response);
}
};
http.send();
}
function getImageData(img, callback) {
function handleBinaryFile(binFile) {
var data = findEXIFinJPEG(binFile);
var iptcdata = findIPTCinJPEG(binFile);
img.exifdata = data || {};
img.iptcdata = iptcdata || {};
if (callback) {
callback.call(img);
}
}
if (img.src) {
if (/^data\:/i.test(img.src)) { // Data URI
var arrayBuffer = base64ToArrayBuffer(img.src);
handleBinaryFile(arrayBuffer);
} else if (/^blob\:/i.test(img.src)) { // Object URL
var fileReader = new FileReader();
fileReader.onload = function(e) {
handleBinaryFile(e.target.result);
};
objectURLToBlob(img.src, function (blob) {
fileReader.readAsArrayBuffer(blob);
});
} else {
var http = new XMLHttpRequest();
http.onload = function() {
if (this.status == 200 || this.status === 0) {
handleBinaryFile(http.response);
} else {
throw "Could not load image";
}
http = null;
};
http.open("GET", img.src, true);
http.responseType = "arraybuffer";
http.send(null);
}
} else if (window.FileReader && (img instanceof window.Blob || img instanceof window.File)) {
var fileReader = new FileReader();
fileReader.onload = function(e) {
if (debug) console.log("Got file of length " + e.target.result.byteLength);
handleBinaryFile(e.target.result);
};
fileReader.readAsArrayBuffer(img);
}
}
function findEXIFinJPEG(file) {
var dataView = new DataView(file);
if (debug) console.log("Got file of length " + file.byteLength);
if ((dataView.getUint8(0) != 0xFF) || (dataView.getUint8(1) != 0xD8)) {
if (debug) console.log("Not a valid JPEG");
return false; // not a valid jpeg
}
var offset = 2,
length = file.byteLength,
marker;
while (offset < length) {
if (dataView.getUint8(offset) != 0xFF) {
if (debug) console.log("Not a valid marker at offset " + offset + ", found: " + dataView.getUint8(offset));
return false; // not a valid marker, something is wrong
}
marker = dataView.getUint8(offset + 1);
if (debug) console.log(marker);
// we could implement handling for other markers here,
// but we're only looking for 0xFFE1 for EXIF data
if (marker == 225) {
if (debug) console.log("Found 0xFFE1 marker");
return readEXIFData(dataView, offset + 4, dataView.getUint16(offset + 2) - 2);
// offset += 2 + file.getShortAt(offset+2, true);
} else {
offset += 2 + dataView.getUint16(offset+2);
}
}
}
function findIPTCinJPEG(file) {
var dataView = new DataView(file);
if (debug) console.log("Got file of length " + file.byteLength);
if ((dataView.getUint8(0) != 0xFF) || (dataView.getUint8(1) != 0xD8)) {
if (debug) console.log("Not a valid JPEG");
return false; // not a valid jpeg
}
var offset = 2,
length = file.byteLength;
var isFieldSegmentStart = function(dataView, offset){
return (
dataView.getUint8(offset) === 0x38 &&
dataView.getUint8(offset+1) === 0x42 &&
dataView.getUint8(offset+2) === 0x49 &&
dataView.getUint8(offset+3) === 0x4D &&
dataView.getUint8(offset+4) === 0x04 &&
dataView.getUint8(offset+5) === 0x04
);
};
while (offset < length) {
if ( isFieldSegmentStart(dataView, offset )){
// Get the length of the name header (which is padded to an even number of bytes)
var nameHeaderLength = dataView.getUint8(offset+7);
if(nameHeaderLength % 2 !== 0) nameHeaderLength += 1;
// Check for pre photoshop 6 format
if(nameHeaderLength === 0) {
// Always 4
nameHeaderLength = 4;
}
var startOffset = offset + 8 + nameHeaderLength;
var sectionLength = dataView.getUint16(offset + 6 + nameHeaderLength);
return readIPTCData(file, startOffset, sectionLength);
break;
}
// Not the marker, continue searching
offset++;
}
}
var IptcFieldMap = {
0x78 : 'caption',
0x6E : 'credit',
0x19 : 'keywords',
0x37 : 'dateCreated',
0x50 : 'byline',
0x55 : 'bylineTitle',
0x7A : 'captionWriter',
0x69 : 'headline',
0x74 : 'copyright',
0x0F : 'category'
};
function readIPTCData(file, startOffset, sectionLength){
var dataView = new DataView(file);
var data = {};
var fieldValue, fieldName, dataSize, segmentType, segmentSize;
var segmentStartPos = startOffset;
while(segmentStartPos < startOffset+sectionLength) {
if(dataView.getUint8(segmentStartPos) === 0x1C && dataView.getUint8(segmentStartPos+1) === 0x02){
segmentType = dataView.getUint8(segmentStartPos+2);
if(segmentType in IptcFieldMap) {
dataSize = dataView.getInt16(segmentStartPos+3);
segmentSize = dataSize + 5;
fieldName = IptcFieldMap[segmentType];
fieldValue = getStringFromDB(dataView, segmentStartPos+5, dataSize);
// Check if we already stored a value with this name
if(data.hasOwnProperty(fieldName)) {
// Value already stored with this name, create multivalue field
if(data[fieldName] instanceof Array) {
data[fieldName].push(fieldValue);
}
else {
data[fieldName] = [data[fieldName], fieldValue];
}
}
else {
data[fieldName] = fieldValue;
}
}
}
segmentStartPos++;
}
return data;
}
function readTags(file, tiffStart, dirStart, strings, bigEnd) {
var entries = file.getUint16(dirStart, !bigEnd),
tags = {},
entryOffset, tag,
i;
for (i=0;i<entries;i++) {
entryOffset = dirStart + i*12 + 2;
tag = strings[file.getUint16(entryOffset, !bigEnd)];
if (!tag && debug) console.log("Unknown tag: " + file.getUint16(entryOffset, !bigEnd));
tags[tag] = readTagValue(file, entryOffset, tiffStart, dirStart, bigEnd);
}
return tags;
}
function readTagValue(file, entryOffset, tiffStart, dirStart, bigEnd) {
var type = file.getUint16(entryOffset+2, !bigEnd),
numValues = file.getUint32(entryOffset+4, !bigEnd),
valueOffset = file.getUint32(entryOffset+8, !bigEnd) + tiffStart,
offset,
vals, val, n,
numerator, denominator;
switch (type) {
case 1: // byte, 8-bit unsigned int
case 7: // undefined, 8-bit byte, value depending on field
if (numValues == 1) {
return file.getUint8(entryOffset + 8, !bigEnd);
} else {
offset = numValues > 4 ? valueOffset : (entryOffset + 8);
vals = [];
for (n=0;n<numValues;n++) {
vals[n] = file.getUint8(offset + n);
}
return vals;
}
case 2: // ascii, 8-bit byte
offset = numValues > 4 ? valueOffset : (entryOffset + 8);
return getStringFromDB(file, offset, numValues-1);
case 3: // short, 16 bit int
if (numValues == 1) {
return file.getUint16(entryOffset + 8, !bigEnd);
} else {
offset = numValues > 2 ? valueOffset : (entryOffset + 8);
vals = [];
for (n=0;n<numValues;n++) {
vals[n] = file.getUint16(offset + 2*n, !bigEnd);
}
return vals;
}
case 4: // long, 32 bit int
if (numValues == 1) {
return file.getUint32(entryOffset + 8, !bigEnd);
} else {
vals = [];
for (n=0;n<numValues;n++) {
vals[n] = file.getUint32(valueOffset + 4*n, !bigEnd);
}
return vals;
}
case 5: // rational = two long values, first is numerator, second is denominator
if (numValues == 1) {
numerator = file.getUint32(valueOffset, !bigEnd);
denominator = file.getUint32(valueOffset+4, !bigEnd);
val = new Number(numerator / denominator);
val.numerator = numerator;
val.denominator = denominator;
return val;
} else {
vals = [];
for (n=0;n<numValues;n++) {
numerator = file.getUint32(valueOffset + 8*n, !bigEnd);
denominator = file.getUint32(valueOffset+4 + 8*n, !bigEnd);
vals[n] = new Number(numerator / denominator);
vals[n].numerator = numerator;
vals[n].denominator = denominator;
}
return vals;
}
case 9: // slong, 32 bit signed int
if (numValues == 1) {
return file.getInt32(entryOffset + 8, !bigEnd);
} else {
vals = [];
for (n=0;n<numValues;n++) {
vals[n] = file.getInt32(valueOffset + 4*n, !bigEnd);
}
return vals;
}
case 10: // signed rational, two slongs, first is numerator, second is denominator
if (numValues == 1) {
return file.getInt32(valueOffset, !bigEnd) / file.getInt32(valueOffset+4, !bigEnd);
} else {
vals = [];
for (n=0;n<numValues;n++) {
vals[n] = file.getInt32(valueOffset + 8*n, !bigEnd) / file.getInt32(valueOffset+4 + 8*n, !bigEnd);
}
return vals;
}
}
}
function getStringFromDB(buffer, start, length) {
var outstr = "";
for (n = start; n < start+length; n++) {
outstr += String.fromCharCode(buffer.getUint8(n));
}
return outstr;
}
function readEXIFData(file, start) {
if (getStringFromDB(file, start, 4) != "Exif") {
if (debug) console.log("Not valid EXIF data! " + getStringFromDB(file, start, 4));
return false;
}
var bigEnd,
tags, tag,
exifData, gpsData,
tiffOffset = start + 6;
// test for TIFF validity and endianness
if (file.getUint16(tiffOffset) == 0x4949) {
bigEnd = false;
} else if (file.getUint16(tiffOffset) == 0x4D4D) {
bigEnd = true;
} else {
if (debug) console.log("Not valid TIFF data! (no 0x4949 or 0x4D4D)");
return false;
}
if (file.getUint16(tiffOffset+2, !bigEnd) != 0x002A) {
if (debug) console.log("Not valid TIFF data! (no 0x002A)");
return false;
}
var firstIFDOffset = file.getUint32(tiffOffset+4, !bigEnd);
if (firstIFDOffset < 0x00000008) {
if (debug) console.log("Not valid TIFF data! (First offset less than 8)", file.getUint32(tiffOffset+4, !bigEnd));
return false;
}
tags = readTags(file, tiffOffset, tiffOffset + firstIFDOffset, TiffTags, bigEnd);
if (tags.ExifIFDPointer) {
exifData = readTags(file, tiffOffset, tiffOffset + tags.ExifIFDPointer, ExifTags, bigEnd);
for (tag in exifData) {
switch (tag) {
case "LightSource" :
case "Flash" :
case "MeteringMode" :
case "ExposureProgram" :
case "SensingMethod" :
case "SceneCaptureType" :
case "SceneType" :
case "CustomRendered" :
case "WhiteBalance" :
case "GainControl" :
case "Contrast" :
case "Saturation" :
case "Sharpness" :
case "SubjectDistanceRange" :
case "FileSource" :
exifData[tag] = StringValues[tag][exifData[tag]];
break;
case "ExifVersion" :
case "FlashpixVersion" :
exifData[tag] = String.fromCharCode(exifData[tag][0], exifData[tag][1], exifData[tag][2], exifData[tag][3]);
break;
case "ComponentsConfiguration" :
exifData[tag] =
StringValues.Components[exifData[tag][0]] +
StringValues.Components[exifData[tag][1]] +
StringValues.Components[exifData[tag][2]] +
StringValues.Components[exifData[tag][3]];
break;
}
tags[tag] = exifData[tag];
}
}
if (tags.GPSInfoIFDPointer) {
gpsData = readTags(file, tiffOffset, tiffOffset + tags.GPSInfoIFDPointer, GPSTags, bigEnd);
for (tag in gpsData) {
switch (tag) {
case "GPSVersionID" :
gpsData[tag] = gpsData[tag][0] +
"." + gpsData[tag][1] +
"." + gpsData[tag][2] +
"." + gpsData[tag][3];
break;
}
tags[tag] = gpsData[tag];
}
}
return tags;
}
EXIF.getData = function(img, callback) {
if ((img instanceof Image || img instanceof HTMLImageElement) && !img.complete) return false;
if (!imageHasData(img)) {
getImageData(img, callback);
} else {
if (callback) {
callback.call(img);
}
}
return true;
}
EXIF.getTag = function(img, tag) {
if (!imageHasData(img)) return;
return img.exifdata[tag];
}
EXIF.getAllTags = function(img) {
if (!imageHasData(img)) return {};
var a,
data = img.exifdata,
tags = {};
for (a in data) {
if (data.hasOwnProperty(a)) {
tags[a] = data[a];
}
}
return tags;
}
EXIF.pretty = function(img) {
if (!imageHasData(img)) return "";
var a,
data = img.exifdata,
strPretty = "";
for (a in data) {
if (data.hasOwnProperty(a)) {
if (typeof data[a] == "object") {
if (data[a] instanceof Number) {
strPretty += a + " : " + data[a] + " [" + data[a].numerator + "/" + data[a].denominator + "]\r\n";
} else {
strPretty += a + " : [" + data[a].length + " values]\r\n";
}
} else {
strPretty += a + " : " + data[a] + "\r\n";
}
}
}
return strPretty;
}
EXIF.readFromBinaryFile = function(file) {
return findEXIFinJPEG(file);
}
if (typeof define === 'function' && define.amd) {
define('exif-js', [], function() {
return EXIF;
});
}
}.call(this));
js/eyesis4pi.js
View file @ 69f41dac
......@@ -110,6 +110,12 @@ function init(){
console.log("previews_init()");
previews_init();
// init hidden canvases
for(var i=0;i<cams.length;i++){
append_hidden_div(i);
}
init_temperatures_table();
......@@ -541,50 +547,69 @@ function refresh_images(){
function refresh_images_eyesis(){
var pic = new Object();
for (var i=0;i<cams.length;i++){
remove_hidden_div(i);
append_hidden_div(i);
$("#div_"+i).jp4({ip:cams[i].ip,port:cams[i].port,width:200,fast:true});
}
for(var i=0;i<cams.length;i++){
pic[i] = new Image();
pic[i].src = "http://"+cams[i].ip+":"+cams[i].port+"/bimg?"+Date.now();
pic[i].index = i;
pic[i].onload = function(){
var w = 200;
var h = 150;
var W = 2592;
var H = 1944;
}
var cnv = document.getElementById("cam"+this.index+"_canvas");
var cContext = cnv.getContext('2d');
cnv.setAttribute('width',h);cnv.setAttribute('height',3*w);
cContext.rotate(90*Math.PI/180);
var k = 3;
//mask out 2s
//if ((this.index==0)||(this.index==1)||(this.index==7)) k = 3;
/*
cContext.drawImage(this, 0,0*H,W,H, 0*w, -1*h,w,h);
cContext.drawImage(this, 0,1*H,W,H, 1*w, -1*h,w,h);
cContext.drawImage(this, 0,2*H,W,H, 2*w, -1*h,w,h);
*/
if (this.index%2==0) {
cContext.drawImage(this, 0,0*H,W,H, 0*w,-1*h,w,h);
cContext.drawImage(this, 0,1*H,W,H, 1*w,-1*h,w,h);
cContext.scale(-1,1);
cContext.drawImage(this, 0,2*H,W,H, -3*w, -1*h, w, h);
}else{
cContext.scale(1,-1); //mirror is needed
cContext.drawImage(this, 0,0*H,W,H, 0*w,0*h,w,h);
cContext.drawImage(this, 0,1*H,W,H, 1*w,0*h,w,h);
cContext.scale(-1,1);
cContext.drawImage(this, 0,2*H,W,H, -3*w,h*(0),w,h);
}
};
function draw_single_image_eyesis(img,index){
var w = 200;
var h = 150;
index = +index;
var cnv = document.getElementById("cam"+index+"_canvas");
var cContext = cnv.getContext('2d');
cnv.setAttribute('width',h);
cnv.setAttribute('height',3*w);
//eyesis4pi specific
var dx = Array(0,1,4);
var dw = Array(0,0,4);
cContext.rotate(90*Math.PI/180);
if (index%2==0) {
cContext.drawImage(img, 0,0*h+dx[0], w,h-dw[0], 0*w,-1*h, w,h);
cContext.drawImage(img, 0,1*h+dx[1], w,h-dw[1], 1*w,-1*h, w,h);
cContext.scale(-1,1);
cContext.drawImage(img, 0,2*h+dx[2], w,h-dw[2], -3*w, -1*h, w,h);
}else{
cContext.scale(1,-1); //mirror is needed
cContext.drawImage(img, 0,0*h+dx[0], w,h-dw[0], 0*w,0*h, w,h);
cContext.drawImage(img, 0,1*h+dx[1], w,h-dw[1], 1*w,0*h, w,h);
cContext.scale(-1,1);
cContext.drawImage(img, 0,2*h+dx[2], w,h-dw[2], -3*w,h*(0), w,h);
}
}
function append_hidden_div(index){
el = $("<div>",{
id: "div_"+index
}).css({
display: "none"
});
el.attr("index",index);
el.on("canvas_ready",function(){
//can draw on main canvas
var cnv = $(this).find("#display")[0];
var index = $(this).attr("index");
draw_single_image_eyesis(cnv,index);
});
$("body").append(el);
}
function remove_hidden_div(index){
$("#div_"+index).off("canvas_ready");
$("#div_"+index).remove();
}
function refresh_images_triclops(){
......
js/jcanvas.js 0 → 100644
View file @ 69f41dac
This source diff could not be displayed because it is too large. You can view the blob instead.
js/jquery-jp4.js 0 → 100644
View file @ 69f41dac
/**
* @file jquery-jp4.js
* @brief a jquery plugin to convert jp4/jp46 into human viewable format
* @copyright Copyright (C) 2016 Elphel Inc.
* @author Oleg Dzhimiev <oleg@elphel.com>
*
* @licstart The following is the entire license notice for the
* JavaScript code in this page.
*
* The JavaScript code in this page is free software: you can
* redistribute it and/or modify it under the terms of the GNU
* General Public License (GNU GPL) as published by the Free Software
* Foundation, either version 3 of the License, or (at your option)
* any later version. The code is distributed WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU GPL for more details.
*
* As additional permission under GNU GPL version 3 section 7, you
* may distribute non-source (e.g., minimized or compacted) forms of
* that code without the copy of the GNU GPL normally required by
* section 4, provided you include this license notice and a URL
* through which recipients can access the Corresponding Source.
*
* @licend The above is the entire license notice
* for the JavaScript code in this page.
*/
(function ( $ ) {
//https://gist.github.com/leolux/c794fc63d9c362013448
var JP4 = function(element,options){
var elem = $(element);
var obj = this;
var settings = $.extend({
ip: "",
port: "",
image: "test.jp4",
refresh: false,
mosaic: [["Gr","R"],["B" ,"Gb"]],
fast: false,
precise: false,
width: 600,
channel: "all",
diff: false,
chn1: "red",
chn2: "green",
ndvi: false,
callback: function(){
console.log("callback");
}
},options);
// working time
var T0;
var TX;
var BAYER = settings.mosaic;
var FLIPV = 0;
var FLIPH = 0;
var IMAGE_FORMAT = "JPEG";
var SATURATION = [0,0,0,0];
var PIXELS = [];
var cnv_working = $("<canvas>",{id:"working"});
var cnv_display = $("<canvas>",{id:"display"});
// hide working canvas
cnv_working.css({display:"none"});
elem.append(cnv_working);
elem.append(cnv_display);
get_image();
//end
function get_image(){
var canvas = cnv_working;
//reset format
IMAGE_FORMAT = "JPEG";
var http = new XMLHttpRequest();
var rq = "";
if (settings.port!=""&&settings.ip!=""){
rq = "get-image.php?ip="+settings.ip+"&port="+settings.port+"&rel=bimg&ts="+Date.now();
//rq = "get-image.php?ip="+settings.ip+"&port="+settings.port+"&rel=img&ts="+Date.now();
//settings.refresh = true;
}else{
rq = settings.image;
}
http.open("GET", rq, true);
TX = Date.now();
T0 = Date.now();
http.responseType = "blob";
http.onload = function(e) {
console.log("#"+elem.attr("id")+", file load time: "+(Date.now()-TX)/1000+" s");
TX = Date.now();
if (this.status === 200) {
var heavyImage = new Image();
heavyImage.onload = function(){
EXIF.getData(this, function() {
//update canvas size
canvas.attr("width",this.width);
canvas.attr("height",this.height);
parseEXIFMakerNote(this);
canvas.drawImage({
x:0, y:0,
source: this,
load: redraw,
fromCenter: false
});
});
};
heavyImage.src = URL.createObjectURL(http.response);
}
};
http.send();
}
function redraw(){
$(this).draw({
fn: function(ctx){
console.log("#"+elem.attr("id")+", raw image drawn time: "+(Date.now()-TX)/1000+" s");
TX = Date.now();
if (IMAGE_FORMAT=="JPEG"){
// if JP4/JP46 it will work through webworker and exit later on workers message
Elphel.Canvas.drawScaled(cnv_working,cnv_display,settings.width);
console.log("#"+elem.attr("id")+", jpeg image drawn: "+(Date.now()-TX)/1000+" s");
TX = Date.now();
$(this).trigger("canvas_ready");
}else if ((IMAGE_FORMAT=="JP4")||(IMAGE_FORMAT=="JP46")){
if (settings.fast){
quickestPreview(ctx);
}/*else{
Elphel.reorderJP4Blocks(ctx,"JP4");
if (settings.precise){
PIXELS = Elphel.pixelsToArrayLinear(ctx);
Elphel.demosaicBilinear(ctx,PIXELS,settings.mosaic,true);
PIXELS = Elphel.pixelsToArray(ctx);
}else{
PIXELS = Elphel.pixelsToArray(ctx);
Elphel.demosaicBilinear(ctx,PIXELS,settings.mosaic,false);
PIXELS = Elphel.pixelsToArray(ctx);
}
if (settings.channel!="all"){
Elphel.showSingleColorChannel(ctx,settings.channel);
}
if (settings.diff){
Elphel.diffColorChannels(PIXELS,settings.chn1,settings.chn2,1);
Elphel.drawImageData(ctx,PIXELS);
}
if (settings.ndvi){
console.log(PIXELS[0]+" "+PIXELS[1]+" "+PIXELS[2]+" "+PIXELS[3]+" ");
PIXELS = Elphel.someIndex(PIXELS);
console.log(PIXELS[0]+" "+PIXELS[1]+" "+PIXELS[2]+" "+PIXELS[3]+" ");
Elphel.drawImageData(ctx,PIXELS);
}
}
*/
// RGB -> YCbCr x SATURATION -> RGB
// Taking SATURATION[0] = 1/GAMMA[0] (green pixel of GR-line)
//saturation(ctx,SATURATION[0]);
}
// too early
//console.log("#"+elem.attr("id")+", time: "+(Date.now()-t0)/1000+" s");
if (settings.refresh) get_image();
}
});
}
function quickestPreview(ctx){
var worker = new Worker('js/webworker.js');
var width = ctx.canvas.width;
var height = ctx.canvas.height;
var image = ctx.getImageData(0,0,width,height);
var pixels = image.data;
console.log("#"+elem.attr("id")+", data from canvas for webworker time: "+(Date.now()-TX)/1000+" s");
TX = Date.now();
worker.postMessage({
mosaic: settings.mosaic,
format: IMAGE_FORMAT,
width:ctx.canvas.width,
height:ctx.canvas.height,
pixels:pixels.buffer,
settings: {
fast: settings.fast,
channel: settings.channel,
diff: settings.diff,
ndvi: settings.ndvi
},
},[pixels.buffer]);
worker.onmessage = function(e){
var pixels = new Uint8Array(e.data.pixels);
var working_context = cnv_working[0].getContext('2d');
var width = e.data.width;
var height = e.data.height;
console.log("#"+elem.attr("id")+", worker time: "+(Date.now()-TX)/1000+" s");
TX = Date.now();
Elphel.Canvas.putImageData(working_context,pixels,width,height);
Elphel.Canvas.drawScaled(cnv_working,cnv_display,settings.width);
// report time
console.log("#"+elem.attr("id")+", Total time: "+(Date.now()-T0)/1000+" s");
//trigger here
cnv_working.trigger("canvas_ready");
}
}
/**
* plugin globals get changed
* @FLIPV - not used
* @FLIPH - not used
* @BAYER - not used
* @IMAGE_FORMAT - used
* @SATURATION[i] - not used
*/
function parseEXIFMakerNote(src){
var exif_orientation = EXIF.getTag(src,"Orientation");
//console.log("Exif:Orientation: "+exif_orientation);
var MakerNote = EXIF.getTag(src,"MakerNote");
//FLIPH & FLIPV
if (typeof MakerNote !== 'undefined'){
FLIPH = (MakerNote[10] )&0x1;
FLIPV = (MakerNote[10]>>1)&0x1;
var tmpBAYER = Array();
for (var i=0;i<BAYER.length;i++){tmpBAYER[i] = BAYER[i].slice();}
if (FLIPV==1){
for(i=0;i<4;i++){BAYER[(i>>1)][(i%2)] = tmpBAYER[1-(i>>1)][(i%2)];}
for(i=0;i<BAYER.length;i++){tmpBAYER[i] = BAYER[i].slice();}
}
if (FLIPH==1){
for(i=0;i<4;i++){BAYER[(i>>1)][(i%2)] = tmpBAYER[(i>>1)][1-(i%2)];}
}
}
//console.log("MakerNote: Flips: V:"+FLIPV+" H:"+FLIPH);
//COLOR_MODE ----------------------------------------------------------------
var color_mode = 0;
if (typeof MakerNote !== 'undefined') color_mode=(MakerNote[10]>>4)&0x0f;
switch(color_mode){
case 2: IMAGE_FORMAT = "JP46"; break;
case 5: IMAGE_FORMAT = "JP4"; break;
//default:
}
//var gains = Array();
//var blacks = Array();
var gammas = Array();
//var gamma_scales = Array();
//var blacks256 = Array();
//var rgammas = Array();
//SATURATION ----------------------------------------------------------------
if (typeof MakerNote !== 'undefined'){
for(i=0;i<4;i++){
//gains[i]= MakerNote[i]/65536.0;
//blacks[i]=(MakerNote[i+4]>>24)/256.0;
gammas[i]=((MakerNote[i+4]>>16)&0xff)/100.0;
//gamma_scales[i]=MakerNote[i+4] & 0xffff;
}
/*
for (i=0;i<4;i++) {
rgammas[i]=elphel_gamma_calc(gammas[i], blacks[i], gamma_scales[i]);
}
console.log(rgammas);
//adjusting gains to have the result picture in the range 0..256
min_gain=2.0*gains[0];
for (i=0;i<4;i++){
if (min_gain > (gains[i]*(1.0-blacks[i]))) min_gain = gains[i]*(1.0-blacks[i]);
}
for (i=0;i<4;i++) gains[i]/=min_gain;
for (i=0;i<4;i++) blacks256[i]=256.0*blacks[i];
*/
for (i=0;i<4;i++) {
//SATURATION[i] = 1/gammas[i];
//SATURATION[i] = 1.75; // nightmarish time
SATURATION[i] = 2;
}
//console.log("MakerNote: Saturations: "+SATURATION[0]+" "+SATURATION[1]+" "+SATURATION[2]+" "+SATURATION[3]);
}
}
/*
function elphel_gamma_calc(gamma,black,gamma_scale){
gtable = Array();
rgtable = Array();
black256=black*256.0;
k=1.0/(256.0-black256);
if (gamma < 0.13) gamma=0.13;
if (gamma >10.0) gamma=10.0;
for (var i=0;i<257;i++) {
x=k*(i-black256);
if (x<0.0) x=0.0;
ig = 0.5+65535.0*Math.pow(x,gamma);
ig = (ig*gamma_scale)/0x400;
if (ig>0xffff) ig=0xffff;
gtable[i]=ig;
}
// now gtable[] is the same as was used in the camera
// FPGA was using linear interpolation between elements of the gamma table, so now we'll reverse that process
indx=0;
for (i=0;i<256;i++) {
outValue=128+(i<<8);
while ((gtable[indx+1]<outValue) && (indx<256)) indx++;
if (indx>=256) rgtable[i]=65535.0/256;
else if (gtable[indx+1]==gtable[indx])
rgtable[i]=i;
else
rgtable[i]=indx+(1.0*(outValue-gtable[indx]))/(gtable[indx+1] - gtable[indx]);
}
return rgtable;
}
*/
};
$.fn.jp4 = function(options){
var element = $(this);
// Return early if this element already has a plugin instance
if (element.data('jp4')) return element.data('jp4');
var jp4 = new JP4(this,options);
element.data('jp4',jp4);
var res = new Object();
res.cnv = element;
res.data = jp4;
return res;
};
}(jQuery));
js/webworker.js 0 → 100644
View file @ 69f41dac
importScripts('elphel.js');
self.onmessage = function(e) {
var W = e.data.width;
var H = e.data.height;
var Mosaic = e.data.mosaic;
var Format = e.data.format;
var settings = e.data.settings;
var Pixels = new Uint8Array(e.data.pixels);
if (Format!="JPEG"){
var reorderedPixels = Elphel.Pixels.reorderBlocksJPx(Pixels,W,H,Format,Mosaic,settings.fast);
//reorder first then downscale
if (settings.fast){
W = W/2;
H = H/2;
}
Elphel.Pixels.applySaturation(reorderedPixels,W,H,2);
postMessage({
width: W,
height: H,
pixels: reorderedPixels.buffer
},[reorderedPixels.buffer]);
}else{
//just send back
postMessage({
width: W,
height: H,
pixels: Pixels.buffer
},[Pixels.buffer]);
}
};
\ No newline at end of file
settings.xml
View file @ 69f41dac
......@@ -8,7 +8,7 @@
<gpsimu_device_name>/dev/sda1</gpsimu_device_name>
<box_force_jp4>checked</box_force_jp4>
<input_quality>97</input_quality>
<input_trigger_period>250</input_trigger_period>
<input_trigger_period>2000</input_trigger_period>
<input_hdrvexpos>0x36000</input_hdrvexpos>
<input_autoexp_max>30</input_autoexp_max>
<input_autoexp_lvl>220</input_autoexp_lvl>
......
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