gstreamerASCIIConnection.cc

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// gstreamer
#include "gstreamerASCIIFactory.h"
#include "gstreamerConventions.h"
 
// Implementation summary:
// Manage the lifetime of the text output stream used by the ASCII plugin.
 
bool GstreamerTextFactory::openConnection() {
    if (ofile.is_open()) {
        // Already open for this streamer instance.
        return true;
    }
 
    ofile.clear();
 
    // Open for writing and truncate any existing file content so each run starts fresh.
    ofile.open(filename(), std::ios::out | std::ios::trunc);
 
    if (!ofile.is_open() || !ofile) {
        log->error(ERR_CANTOPENOUTPUT, SFUNCTION_NAME, " could not open file ", filename());
    }
 
    log->info(1, SFUNCTION_NAME, "GstreamerTextFactory: opened file " + filename());
 
    return true;
}
 
bool GstreamerTextFactory::closeConnectionImpl() {
    // The public closeConnection() wrapper already flushes pending events before calling this method.
 
    if (ofile.is_open()) ofile.close();
    if (ofile.is_open()) { log->error(ERR_CANTCLOSEOUTPUT, SFUNCTION_NAME, " could not close file " + filename()); }
 
    log->info(1, SFUNCTION_NAME, "GstreamerTextFactory: closed file " + filename());
 
    return true;
}