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10 Commits
efbcc508cb
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d0d3209dcf | ||
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8f65a33ac8 | ||
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f8de654574 | ||
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d65d1800c9 | ||
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95e7968516 | ||
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c904b5ffef | ||
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4b4c3fcbd5 | ||
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a4ec1720f0 | ||
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80d4171cc4 | ||
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9dd6b0a838 |
@@ -2,42 +2,46 @@
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<html>
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<head>
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<title>QRTransfer</title>
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<style>
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input {
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position: absolute;
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left: 150px;
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}
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</style>
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<script src="qrenc-4.0.0.js" type="text/javascript"></script>
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<script type="text/javascript">
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let $ = (ele) => document.getElementById(ele);
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let fileData,
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let fileDataB64,
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chunkSize,
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segmentPosition,
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dataPosition,
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timoutHandle,
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activeCanvas = 0; // double buffering.
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let serveCodes = () => {
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let numChunks = fileData.length / chunkSize;
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let currChunk = segmentPosition / chunkSize;
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const $ = (ele) => document.getElementById(ele);
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const serveCodes = () => {
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let numChunks = Math.ceil(fileDataB64.length / chunkSize);
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let currChunk = Math.ceil(dataPosition / chunkSize) + 1;
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let delay = Number($("delay").value);
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let minLeft = ((numChunks - currChunk) * delay) / 1000 / 60;
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$("status").innerText = `${currChunk}/${Math.ceil(numChunks)}/${(currChunk / numChunks).toFixed(2)}% (${minLeft.toFixed(2)} minutes left.)`;
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displayQR(
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currChunk + 1 + "|" + fileData.substring(segmentPosition, segmentPosition + chunkSize),
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Number($("qrSize").value),
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Number($("ecc").value)
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);
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segmentPosition += chunkSize;
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$("status").innerText = `${currChunk}/${numChunks}/${((currChunk / numChunks) * 100).toFixed(2)}% (${minLeft.toFixed(2)} min left.)`;
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displayQR(currChunk + "|" + fileDataB64.substring(dataPosition, dataPosition + chunkSize), Number($("qrSize").value), Number($("ecc").value));
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dataPosition += chunkSize;
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if (segmentPosition < fileData.length) {
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window.setTimeout(serveCodes, delay);
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if (dataPosition < fileDataB64.length) {
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timoutHandle = window.setTimeout(serveCodes, delay);
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}
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};
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let displayQR = (data, size, ecc) => {
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const displayQR = (data, size, ecc) => {
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window.scrollTo(0, 0);
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var qr = new QR($("qrcanv" + activeCanvas), data, size, size, ecc);
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$("qrcanv" + (activeCanvas === 0 ? 1 : 0)).style.display = "none";
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$("qrcanv" + activeCanvas).style.display = "block";
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activeCanvas = activeCanvas === 0 ? 1 : 0;
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};
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let getFile = (fileName) => {
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const startAction = (fileName) => {
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chunkSize = Number($("chunkSize").value);
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segmentPosition = Number($("startChunk").value * chunkSize);
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dataPosition = Number($("startChunk").value * chunkSize);
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var xhr = new XMLHttpRequest();
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xhr.open("GET", fileName, true);
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@@ -45,13 +49,14 @@
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xhr.onload = (e) => {
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tgt = e.currentTarget;
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if (tgt.status == 200) {
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let uInt8Array = new Uint8Array(tgt.response);
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let binaryString = new Array(uInt8Array.length);
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uInt8Array.map((x, idx) => (binaryString[idx] = String.fromCharCode(x)));
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let allCharCodes = new Uint8Array(tgt.response);
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let allChars = new Array(allCharCodes.length);
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allCharCodes.map((x, idx) => (allChars[idx] = String.fromCharCode(x)));
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// it seems that the qr library doesn't support binary data - converting to base64
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fileData = window.btoa(binaryString.join(""));
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window.scrollTo(0, 0);
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serveCodes();
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fileDataB64 = window.btoa(allChars.join(""));
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timoutHandle && window.clearTimeout(timoutHandle);
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timoutHandle = window.setTimeout(serveCodes, 3000);
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}
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};
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xhr.send();
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@@ -59,25 +64,15 @@
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</script>
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</head>
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<body>
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<center>
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<canvas id="qrcanv0"></canvas>
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<canvas id="qrcanv1"></canvas>
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</center>
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<center><canvas id="qrcanv0"></canvas><canvas id="qrcanv1"></canvas></center>
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<hr />
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Status:<span id="status">...</span>
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Status:<span id="status">...</span> <button onclick="startAction($('inputFileName').value)">Start(3 sec delay)</button>
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<hr />
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Filename:<input type="text" id="inputFileName" value="testInput/5K.dat" />
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<br />
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ECC (1-4):<input type="number" value="4" id="ecc" />
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<br />
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Qr-Size:<input type="number" value="800" id="qrSize" />
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<br />
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Chunk-Size<input type="number" value="1200" id="chunkSize" />
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<br />
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Start-Chunk:<input type="number" value="0" id="startChunk" />
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<br />
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Filename:<input type="text" id="inputFileName" value="testInput/5K.dat" /> <br />
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ECC (1-4):<input type="number" value="4" id="ecc" /> <br />
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Qr-Size:<input type="number" value="800" id="qrSize" /> <br />
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Chunk-Size<input type="number" value="1200" id="chunkSize" /> <br />
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Start-Chunk:<input type="number" value="0" id="startChunk" /> <br />
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Delay:<input type="number" value="1500" id="delay" />
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<br />
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<button onclick="getFile($('inputFileName').value)">Read</button>
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</body>
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</html>
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1
Client/testInput/matchSeg.dat
Normal file
1
Client/testInput/matchSeg.dat
Normal file
@@ -0,0 +1 @@
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123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
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1
Client/testInput/matchSeg2.dat
Normal file
1
Client/testInput/matchSeg2.dat
Normal file
@@ -0,0 +1 @@
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123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
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@@ -1,15 +1,17 @@
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#!/bin/bash
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rm output.dat
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currFN=0
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currFN=1
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chunkNum=$(ls chunks/*.chunk | wc -l)
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echo "processing chunks "
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while /bin/true; do
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while [ $currFN -le $chunkNum ] ; do
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if [ ! -f chunks/${currFN}.chunk ] ; then
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echo chunk $currFN is missing!
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exit 1
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else
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echo -n $currFN/
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echo -n [$currFN/$chunkNum]
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fi
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cat chunks/${currFN}.chunk >> output.dat
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let currFN=$currFN+1
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done
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echo DONE.
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17
Decoder/extractVideo.sh
Executable file
17
Decoder/extractVideo.sh
Executable file
@@ -0,0 +1,17 @@
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#/bin/bash
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mkdir -p chunks
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echo extracting frames
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ffmpeg -loglevel 24 -stats -i input.mp4 /tmp/$$.out%05d.png
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echo done, processing frames
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ls /tmp/$$.out*.png | while read f;do
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dta=$(zbarimg -q --raw --nodbus ${f})
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chunkNum=${dta/|*/}
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chunkData=${dta/*|/}
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echo from ${f} received: ${chunkNum}
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echo $chunkData | base64 -d > chunks/${chunkNum}.chunk
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if [ $? -ne 0 ]; then
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echo at ${f} - file decode failed, deleting chunk
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rm chunks/${chunkNum}.chunk
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fi
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done
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BIN
Decoder/input.mp4
Normal file
BIN
Decoder/input.mp4
Normal file
Binary file not shown.
@@ -1,4 +1,5 @@
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#/bin/bash
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mkdir -p chunks
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while /bin/true;do
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fswebcam -q -r 800x800 a.png
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#dta=$(fswebcam -q -r 1280x720 - | zbarimg -q --raw --nodbus -)
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