zii/JustMotion
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v3.2.t2

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-fixed the -i option that was using /etc instaead of /etc/mow
-the externalized image comparison executable is now configurable
 in the config file.
-moved the main index.html and theme.css files to the buffer dir,
 moving even more io to the buffer dir.
This commit is contained in:
Zii 2023-08-06 10:17:10 -04:00
parent a8bd0ab7bf
commit 3791b29cf7
8 changed files with 227 additions and 49 deletions
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33
README.md
View File

@ -34,16 +34,17 @@ recording_stream = rtsp://1.2.3.4:554/h264
# this is the url to the main stream of the IP camera that will be used
# to record footage.
#
web_root = /var/www/html
web_root = /var/opt/mow/web
# this is the output directory that will be used to store recorded footage
# from the cameras as well as the web interface for the application.
# warning: this will overwrite any existing index.html files so be sure
# to choose a directory that doesn't have an existing website.
#
buffer_path = /tmp
buffer_path = /var/opt/mow/buf
# this is the work directory the app will use to store live footage and
# image frames. it's recommended to use a ram disk for this since there
# will be large amounts of io occuring here.
# will be large amounts of io occuring here. 1g of space per camera is
# a good rule of thumb.
#
cam_name = cam-1
# this is the optional camera name parameter to identify the camera. this
@ -54,11 +55,29 @@ max_event_secs = 30
# this is the maximum amount of secs of video footage that can be
# recorded in a motion event.
#
img_comp_cmd = magick compare -metric FUZZ &prev& &next& /dev/null
# this is the command line template this application will use when calling
# the external image comparison application. the external application is
# expected to compare snapshots from the video stream to determine how
# different the images are from each other. it needs to output a numeric
# score with the higher values meaning very different while low values
# mean similar images. the snapshots pulled from the stream will be bitmap
# formatted so the app will be required to support this format. also avoid
# outputting any special chars, only numeric chars with a single '.' if
# outputting a decimal value. magick is the default if not defined in the
# config file. the special string &prev& will be substituted with the path
# to the "previous" bitmap image, behind in time stamp to the image path
# subtituted in &next&.
#
img_comp_out = stderr
# this is the standard output stream the app defined in img_comp_cmd will
# use to output the comparison score. this can only be stderr or stdout,
# any other stream name is considered invalid.
#
img_thresh = 8000
# this application uses 'magick compare' to score the differences between
# two, one second gapped snapshots of the camera stream. any image pairs
# that score greater than this value is considered motion and queues up
# max_event_secs worth of hls clips to be written out as a motion event.
# this parameter defines the score threshold from img_comp_cmd that will
# be considered motion. any motion events will queue up max_event_secs
# worth of hls clips to be written out to web_root.
#
max_events = 100
# this indicates the maximum amount of motion event video clips to keep

12
install.sh
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@ -23,6 +23,18 @@ if [ ! -d "/var/opt/mow/web" ]; then
mkdir /var/opt/mow/web
fi
if [ -f "/var/opt/mow/web/index.html" ]; then
rm -v /var/opt/mow/web/index.html
touch /var/opt/mow/buf/index.html
ln -sv /var/opt/mow/buf/index.html /var/opt/mow/web/index.html
fi
if [ -f "/var/opt/mow/web/theme.css" ]; then
rm -v /var/opt/mow/web/theme.css
touch /var/opt/mow/buf/theme.css
ln -sv /var/opt/mow/buf/theme.css /var/opt/mow/web/theme.css
fi
cp -v ./.build-mow/mow /opt/mow/bin
echo "writing /opt/mow/run"

129
src/camera.cpp
View File

@ -236,7 +236,7 @@ bool Upkeep::exec()
genHTMLul(".", shared->camName, shared);
genCSS(shared);
genHTMLul(shared->webRoot, QString(APP_NAME) + " " + QString(APP_VER), shared);
genHTMLul(shared->buffPath, QString(APP_NAME) + " " + QString(APP_VER), shared);
return Loop::exec();
}
@ -426,20 +426,63 @@ void DetectLoop::pcBreak()
else delayCycles += 5;
detLog("no motion detected, running post command: " + shared->postCmd, shared);
system(shared->postCmd.toUtf8().data());
auto args = parseArgs(shared->postCmd.toUtf8(), -1);
if (args.isEmpty())
{
detLog("err: did not parse an executable from the post command line.", shared);
}
else
{
QProcess::execute(args[0], args.mid(1));
}
}
}
mod = false;
}
float DetectLoop::getFloatFromExe(const QByteArray &line)
{
QString strLine(line);
QString strNum;
for (auto chr : strLine)
{
if (chr.isDigit() || (chr == '.'))
{
strNum.append(chr);
}
else
{
break;
}
}
return strNum.toFloat();
}
QStringList DetectLoop::buildArgs(const QString &prev, const QString &next)
{
auto args = parseArgs(shared->compCmd.toUtf8(), -1);
for (auto i = 0; i < args.size(); ++i)
{
if (args[i] == PREV_IMG) args[i] = prev;
if (args[i] == NEXT_IMG) args[i] = next;
}
return args;
}
bool DetectLoop::exec()
{
if (delayCycles > 0)
{
delayCycles -= 1;
detLog("spec: detection cycle skipped. cycles left to be skipped: " + QString::number(delayCycles), shared);
detLog("delay: detection cycle skipped. cycles left to be skipped: " + QString::number(delayCycles), shared);
}
else
{
@ -453,42 +496,60 @@ bool DetectLoop::exec()
}
else
{
QProcess extComp;
QStringList args;
auto pos = images.size() - 1;
auto args = buildArgs(images[pos - 1], images[pos]);
auto pos = images.size() - 1;
args << "compare";
args << "-metric" << "FUZZ";
args << images[pos - 1];
args << images[pos];
args << "/dev/null";
extComp.start("magick", args);
extComp.waitForFinished();
QString output = extComp.readAllStandardError();
output = output.left(output.indexOf(' '));
detLog(extComp.program() + " " + args.join(" ") + " --result: " + output, shared);
auto score = output.toFloat();
if (score >= shared->imgThresh)
if (args.isEmpty())
{
detLog("--threshold_breached: " + QString::number(shared->imgThresh), shared);
detLog("err: could not parse a executable name from img_comp_cmd: " + shared->compCmd, shared);
}
else
{
QProcess extComp;
evt_t event;
extComp.start(args[0], args.mid(1));
extComp.waitForFinished();
event.timeStamp = curDT;
event.score = score;
event.imgPath = images[pos];
event.queAge = 0;
float score = 0;
auto ok = true;
shared->recMutex.lock();
shared->recList.append(event); mod = true;
shared->recMutex.unlock();
if (shared->outputType == "stdout")
{
score = getFloatFromExe(extComp.readAllStandardOutput());
}
else if (shared->outputType == "stderr")
{
score = getFloatFromExe(extComp.readAllStandardError());
}
else
{
ok = false;
}
if (!ok)
{
detLog("err: img_comp_out: " + shared->outputType + " is not valid. it must be 'stdout' or 'stderr'" , shared);
}
else
{
detLog(extComp.program() + " " + args.join(" ") + " --result: " + QString::number(score), shared);
if (score >= shared->imgThresh)
{
detLog("--threshold_breached: " + QString::number(shared->imgThresh), shared);
evt_t event;
event.timeStamp = curDT;
event.score = score;
event.imgPath = images[pos];
event.queAge = 0;
shared->recMutex.lock();
shared->recList.append(event); mod = true;
shared->recMutex.unlock();
}
}
}
}
}

4
src/camera.h
View File

@ -125,7 +125,9 @@ private:
uint delayCycles;
bool mod;
void resetTimers();
void resetTimers();
float getFloatFromExe(const QByteArray &line);
QStringList buildArgs(const QString &prev, const QString &next);
private slots:

82
src/common.cpp
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@ -211,6 +211,8 @@ bool rdConf(const QString &filePath, shared_t *share)
share->webBg = "#485564";
share->webTxt = "#dee5ee";
share->webFont = "courier";
share->outputType = "stderr";
share->compCmd = "magick compare -metric FUZZ " + QString(PREV_IMG) + " " + QString(NEXT_IMG) + " /dev/null";
QString line;
@ -233,6 +235,8 @@ bool rdConf(const QString &filePath, shared_t *share)
rdLine("img_thresh = ", line, &share->imgThresh);
rdLine("max_events = ", line, &share->maxEvents);
rdLine("max_log_size = ", line, &share->maxLogSize);
rdLine("img_comp_out = ", line, &share->outputType);
rdLine("img_comp_cmd = ", line, &share->compCmd);
}
} while(!line.isEmpty());
@ -243,7 +247,7 @@ bool rdConf(const QString &filePath, shared_t *share)
}
share->outDir = QDir().cleanPath(share->webRoot) + "/" + share->camName;
share->tmpDir = share->buffPath + "/" + APP_BIN + "/" + share->camName;
share->tmpDir = share->buffPath + "/" + share->camName;
share->servPath = QString("/var/opt/") + APP_BIN + "/" + APP_BIN + "." + share->camName + ".service";
}
@ -360,3 +364,79 @@ int loadServices(const QStringList &args)
return ret;
}
QStringList parseArgs(const QByteArray &data, int maxArgs, int *pos)
{
QStringList ret;
QString arg;
auto line = QString::fromUtf8(data);
auto inDQuotes = false;
auto inSQuotes = false;
auto escaped = false;
if (pos != nullptr) *pos = 0;
for (int i = 0; i < line.size(); ++i)
{
if (pos != nullptr) *pos += 1;
if ((line[i] == '\'') && !inDQuotes && !escaped)
{
// single quote '
inSQuotes = !inSQuotes;
}
else if ((line[i] == '\"') && !inSQuotes && !escaped)
{
// double quote "
inDQuotes = !inDQuotes;
}
else
{
escaped = false;
if (line[i].isSpace() && !inDQuotes && !inSQuotes)
{
// space
if (!arg.isEmpty())
{
ret.append(arg);
arg.clear();
}
}
else
{
if ((line[i] == '\\') && ((i + 1) < line.size()))
{
if ((line[i + 1] == '\'') || (line[i + 1] == '\"'))
{
escaped = true;
}
else
{
arg.append(line[i]);
}
}
else
{
arg.append(line[i]);
}
}
}
if ((ret.size() >= maxArgs) && (maxArgs != -1))
{
break;
}
}
if (!arg.isEmpty() && !inDQuotes && !inSQuotes)
{
ret.append(arg);
}
return ret;
}

7
src/common.h
View File

@ -30,7 +30,7 @@
using namespace std;
#define APP_VER "3.2.t1"
#define APP_VER "3.2.t2"
#define APP_NAME "Motion Watch"
#define APP_BIN "mow"
#define REC_LOG_NAME "rec_log_lines.html"
@ -40,6 +40,8 @@ using namespace std;
#define STRFTIME_FMT "%Y%m%d%H%M%S"
#define MAX_IMAGES 1000
#define MAX_VIDEOS 1000
#define PREV_IMG "&prev&"
#define NEXT_IMG "&next&"
struct evt_t
{
@ -68,6 +70,8 @@ struct shared_t
QString webFont;
QString webRoot;
QString servPath;
QString outputType;
QString compCmd;
bool skipCmd;
int evMaxSecs;
int postSecs;
@ -83,6 +87,7 @@ QStringList lsDirsInDir(const QString &path);
QStringList listFacingFiles(const QString &path, const QString &ext, const QDateTime &stamp, int secs, char dir);
QStringList backwardFacingFiles(const QString &path, const QString &ext, const QDateTime &stamp, int secs);
QStringList forwardFacingFiles(const QString &path, const QString &ext, const QDateTime &stamp, int secs);
QStringList parseArgs(const QByteArray &data, int maxArgs, int *pos = nullptr);
bool rdConf(const QString &filePath, shared_t *share);
int loadServices(const QStringList &args);
void listServices();

7
src/main.cpp
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@ -64,8 +64,7 @@ int main(int argc, char** argv)
{
args.clear();
args.append("-d");
args.append("/etc/");
args.append(APP_BIN);
args.append("/etc/" + QString(APP_BIN));
rmServices(); ret = loadServices(args);
}
@ -84,7 +83,7 @@ int main(int argc, char** argv)
{
if (args.contains("-f"))
{
rmServices(); QProcess::execute("/opt/mow/uninst");
rmServices(); QProcess::execute("/opt/mow/uninst", QStringList());
}
else
{
@ -95,7 +94,7 @@ int main(int argc, char** argv)
if (ans == 'y' || ans == 'Y')
{
rmServices(); QProcess::execute("/opt/mow/uninst");
rmServices(); QProcess::execute("/opt/mow/uninst", QStringList());
}
}
}

2
src/web.cpp
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@ -175,7 +175,7 @@ void genCSS(shared_t *share)
cssText += " color: " + share->webTxt + ";\n";
cssText += "}\n";
QFile outFile(QDir().cleanPath(share->webRoot) + "/theme.css");
QFile outFile(QDir().cleanPath(share->buffPath) + "/theme.css");
outFile.open(QFile::WriteOnly);
outFile.write(cssText.toUtf8());