Add per-system configuration option for minimum transmission length.

docs/CONFIGURE.md

@@ -183,7 +183,8 @@ Here is a map of the different sections of the *config.json* file:
 | recordUnknown          |          | true                           | **true** / **false**                                         | Record talkgroups if they are not listed in the Talkgroups File. |
 | hideEncrypted          |          | false                          | **true** / **false**                                         | Hide encrypted talkgroups log entries                        |
 | hideUnknownTalkgroups  |          | false                          | **true** / **false**                                         | Hide unknown talkgroups log entries                          |
-| minDuration            |          | 0<br />(which is disabled)     | number                                                       | The minimum call (transmission) duration in seconds (decimals allowed), calls below this number will have recordings deleted and will not be uploaded. |
+| minDuration            |          | 0<br />(which is disabled)     | number                                                       | The minimum call duration in seconds (decimals allowed), calls below this number will have recordings deleted and will not be uploaded. |
+| minTransmissionDuration|          | 0<br />(which is disabled)     | number                                                       | The minimum transmission duration in seconds (decimals allowed), transmissions below this number will not be added to their corresponding call. |
 | talkgroupDisplayFormat |          | "id"                           | **"id" "id_tag"** or **"tag_id"**                            | The display format for talkgroups in the console and log file. (*id_tag* and *tag_id* is only valid if **talkgroupsFile** is specified) |
 | bandplan               |          | "800_standard"                 | **"800_standard" "800_reband" "800_splinter"** or **"400_custom"** | [SmartNet only] this is the SmartNet bandplan that will be used. |
 | bandplanBase           |          |                                | number                                                       | [SmartNet, 400_custom only] this is for the *400_custom* bandplan only. This is the base frequency, specified in Hz. |

lib/gr_blocks/nonstop_wavfile_sink_impl.cc

@@ -252,6 +252,7 @@ void nonstop_wavfile_sink_impl::end_transmission() {
     strcpy(transmission.filename, current_filename); // Copy the filename
     strcpy(transmission.base_filename, current_base_filename);
     this->add_transmission(transmission);
+
     d_sample_count = 0;
     d_first_work = true;
   } else {

trunk-recorder/call_concluder/call_concluder.cc

@@ -272,6 +272,21 @@ Call_Data_t Call_Concluder::create_call_data(Call *call, System *sys, Config con
     for (std::vector<Transmission>::iterator it = call_info.transmission_list.begin(); it != call_info.transmission_list.end(); ++it) {
       Transmission t = *it;
       char formattedTalkgroup[62];
+
+      if(t.length < sys->get_min_tx_duration())
+      {
+        if (!call_info.transmission_archive) {
+
+          snprintf(formattedTalkgroup, 61, "%c[%dm%10ld%c[0m", 0x1B, 35, call_info.talkgroup, 0x1B);
+          std::string talkgroup_display = boost::lexical_cast<std::string>(formattedTalkgroup);
+          BOOST_LOG_TRIVIAL(info) << "[" << call_info.short_name << "]\t\033[0;34m" << call_info.call_num<< "C\033[0m\tTG: " << talkgroup_display << "\tFreq: " << format_freq(call_info.freq) << "\tRemoving transmission less than " << sys->get_min_tx_duration() <<" seconds. Actual length: " << t.length << "." << std::endl;
+
+          if (checkIfFile(t.filename)) {
+            remove(t.filename);
+          }
+        }
+        continue;
+      } 
       snprintf(formattedTalkgroup, 61, "%c[%dm%10ld%c[0m", 0x1B, 35, call_info.talkgroup, 0x1B);
       std::string talkgroup_display = boost::lexical_cast<std::string>(formattedTalkgroup);
       BOOST_LOG_TRIVIAL(info) << "[" << call_info.short_name << "]\t\033[0;34m" << call_info.call_num << "C\033[0m\tTG: " << talkgroup_display << "\tFreq: " << format_freq(call_info.freq) << "\t- Transmission src: " << t.source << " pos: " << total_length << " length: " << t.length;

trunk-recorder/main.cc

@@ -397,6 +397,8 @@ bool load_config(string config_file) {
       BOOST_LOG_TRIVIAL(info) << "Minimum Call Duration (in seconds): " << system->get_min_duration();
       system->set_max_duration(node.second.get<double>("maxDuration", 0));
       BOOST_LOG_TRIVIAL(info) << "Maximum Call Duration (in seconds): " << system->get_max_duration();
+      system->set_min_tx_duration(node.second.get<double>("minTransmissionDuration", 0));
+      BOOST_LOG_TRIVIAL(info) << "Minimum Transmission Duration (in seconds): " << system->get_min_tx_duration();
 
 
       if (!system->get_compress_wav()) {

trunk-recorder/systems/system.cc

@@ -64,6 +64,14 @@ void System::set_max_duration(double duration) {
   this->max_call_duration = duration;
 }
 
+double System::get_min_tx_duration() {
+  return this->min_transmission_duration;
+}
+
+void System::set_min_tx_duration(double duration) {
+  this->min_transmission_duration = duration;
+}
+
 System::System(int sys_num) {
   this->sys_num = sys_num;
   sys_id = 0;

trunk-recorder/systems/system.h

@@ -76,6 +76,7 @@ class System {
   double filter_width;
   double min_call_duration;
   double max_call_duration;
+  double min_transmission_duration;
   bool compress_wav;
   bool conversation_mode;
   bool qpsk_mod;
@@ -117,6 +118,8 @@ class System {
   void set_min_duration(double duration);
   double get_max_duration();
   void set_max_duration(double duration);
+  double get_min_tx_duration();
+  void set_min_tx_duration(double duration);
   bool get_audio_archive();
   void set_audio_archive(bool);
   bool get_transmission_archive();