651ec96083
Moved logging out of it's own loop, hopefully this fixes the issue with it not outputting all log lines. recLoop() and detectLoop() will now update logs synchronously. The setup.sh script will now include gstreamer and pkg-config. This should help fix opencv video-io format support.
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
// This file is part of Motion Watch.
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// Motion Watch is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Motion Watch is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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#include "mo_detect.h"
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bool imgDiff(const Mat &prev, const Mat &next, int &diffScore, shared_t *share)
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{
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Mat diff;
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absdiff(prev, next, diff);
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threshold(diff, diff, share->pixThresh, 255, THRESH_BINARY);
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diffScore = countNonZero(diff);
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return diffScore >= share->imgThresh;
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}
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Mat frameFF(VideoCapture *cap, int gap)
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{
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Mat ret;
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if (gap == 0) gap = 1;
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for (int i = 0; i < gap; ++i)
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{
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cap->grab();
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}
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cap->retrieve(ret);
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if (!ret.empty())
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{
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cvtColor(ret, ret, COLOR_BGR2GRAY);
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}
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return ret;
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}
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void wrOut(const string &buffFile, const Mat &vidThumb, shared_t *share)
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{
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auto dayStr = genTimeStr("%Y-%m-%d");
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auto timStr = genTimeStr("%H%M%S");
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auto outDir = cleanDir(share->outDir) + "/" + dayStr;
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if (!exists(outDir))
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{
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enforceMaxDays(share->outDir, share);
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}
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auto vidOut = genDstFile(outDir, timStr.c_str(), "." + share->vidExt);
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auto imgOut = genDstFile(outDir, timStr.c_str(), ".jpg");
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detLog("write_out_vid: " + vidOut, share);
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detLog("write_out_img: " + imgOut, share);
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detLog("remove_file: " + buffFile, share);
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enforceMaxClips(outDir, share);
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copy_file(buffFile.c_str(), vidOut.c_str());
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remove(buffFile.c_str());
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imwrite(imgOut.c_str(), vidThumb);
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genHTMLvid(vidOut, share);
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genHTMLul(outDir, share->camName + ": " + dayStr, share);
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genHTMLul(share->outDir, share->camName, share);
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}
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bool moDetect(const string &buffFile, Mat &vidThumb, shared_t *share)
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{
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auto mod = false;
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VideoCapture capture(buffFile.c_str());
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if (capture.isOpened())
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{
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Mat prev;
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Mat next;
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int diff = 0;
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int maxDiff = 0;
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int frameGaps = 0;
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do
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{
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if (prev.empty()) prev = frameFF(&capture, 1);
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else prev = next.clone();
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next = frameFF(&capture, share->frameGap);
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if (imgDiff(prev, next, diff, share))
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{
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resize(next, vidThumb, Size(1280, 720), INTER_LINEAR);
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if (diff > maxDiff)
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{
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maxDiff = diff;
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}
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mod = true; break;
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}
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frameGaps++;
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}
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while (!prev.empty() && !next.empty());
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detLog("scanned_buff_file = " + buffFile + " max_score = " + to_string(maxDiff) + " frame_gaps = " + to_string(frameGaps), share);
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}
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else
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{
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detLog("failed to open buff file: " + buffFile + " for reading. check permissions and/or opencv's video-io support (gstreamer/ffmpeg).", share);
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}
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return mod;
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}
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