changed naming scheme for variables so it matches

asterisk standard, changed it so it can take frames
 of sizes other than 20ms, allowed for the app to reload
 properly, and finalyl changed sample to general section
 as to follow standards.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@10086 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_amd.c

@@ -60,14 +60,14 @@ static char *descrip =
 "This application sets the following channel variable upon completion:\n"
 "    AMDSTATUS - This is the status of the answering machine detection.\n"
 "                Possible values are:\n"
-"                AMD_MACHINE | AMD_PERSON | AMD_NOTSURE | AMD_HANGUP\n"
+"                AMDMACHINE | AMDPERSON | AMDNOTSURE | AMDHANGUP\n"
 "    AMDCAUSE - Indicates the cause that led to the conclusion.\n"
 "               Possible values are:\n"
-"               AMD_TOOLONG-<%d total_time>\n"
+"               AMDTOOLONG-<%d total_time>\n"
-"               AMD_INITIALSILENCE-<%d silenceDuration>-<%d initialSilence>\n"
+"               AMDINITIALSILENCE-<%d silenceDuration>-<%d initialSilence>\n"
-"               AMD_HUMAN-<%d silenceDuration>-<%d afterGreetingSilence>\n"
+"               AMDHUMAN-<%d silenceDuration>-<%d afterGreetingSilence>\n"
-"               AMD_MAXWORDS-<%d wordsCount>-<%d maximumNumberOfWords>\n"
+"               AMDMAXWORDS-<%d wordsCount>-<%d maximumNumberOfWords>\n"
-"               AMD_LONGGREETING-<%d voiceDuration>-<%d greeting>\n";
+"               AMDLONGGREETING-<%d voiceDuration>-<%d greeting>\n";
 
 
 STANDARD_LOCAL_USER;
@@ -96,6 +96,7 @@ static void isAnsweringMachine(struct ast_channel *chan, void *data)
 	struct ast_dsp *silenceDetector;         /* silence detector dsp */
 	int dspsilence = 0;
 	int readFormat;
+	int framelength;
 
 	int inInitialSilence         = 1;
 	int inGreeting               = 0;
@@ -208,16 +209,17 @@ static void isAnsweringMachine(struct ast_channel *chan, void *data)
 			/* No Frame: Called Party Must Have Dropped */
 			ast_verbose(VERBOSE_PREFIX_3 "AMD: HANGUP\n");
 			ast_log(LOG_DEBUG, "Got hangup\n");
-			strcpy(amdStatus , "AMD_HANGUP" );
+			strcpy(amdStatus , "AMDHANGUP" );
 			strcpy(amdCause , "" );
 			break;
 		}
-		iTotalTime += 20;
+		framelength = (ast_codec_get_samples(f) / 8);
+		iTotalTime += framelength;
 		if (iTotalTime >= totalAnalysisTime ) {
 			ast_verbose(VERBOSE_PREFIX_3 "AMD: Channel [%s]. Too long...\n", chan->name );
 			ast_frfree(f);
-			strcpy(amdStatus , "AMD_NOTSURE" );
+			strcpy(amdStatus , "AMDNOTSURE" );
-			sprintf(amdCause , "AMD_TOOLONG-%d", iTotalTime );
+			sprintf(amdCause , "AMDTOOLONG-%d", iTotalTime );
 			break;
 		}
 		if (f->frametype == AST_FRAME_VOICE ) {
@@ -238,8 +240,8 @@ static void isAnsweringMachine(struct ast_channel *chan, void *data)
 					ast_verbose(VERBOSE_PREFIX_3 "AMD: ANSWERING MACHINE: silenceDuration:%d initialSilence:%d\n",
 							silenceDuration, initialSilence );
 					ast_frfree(f);
-					strcpy(amdStatus , "AMD_MACHINE" );
+					strcpy(amdStatus , "AMDMACHINE" );
-					sprintf(amdCause , "AMD_INITIALSILENCE-%d-%d", silenceDuration, initialSilence );
+					sprintf(amdCause , "AMDINITIALSILENCE-%d-%d", silenceDuration, initialSilence );
 					break;
 				}
 
@@ -247,13 +249,13 @@ static void isAnsweringMachine(struct ast_channel *chan, void *data)
 					ast_verbose(VERBOSE_PREFIX_3 "AMD: HUMAN: silenceDuration:%d afterGreetingSilence:%d\n",
 							silenceDuration, afterGreetingSilence );
 					ast_frfree(f);
-					strcpy(amdStatus , "AMD_PERSON" );
+					strcpy(amdStatus , "AMDPERSON" );
-					sprintf(amdCause , "AMD_HUMAN-%d-%d", silenceDuration, afterGreetingSilence );
+					sprintf(amdCause , "AMDHUMAN-%d-%d", silenceDuration, afterGreetingSilence );
 					break;
 				}
 			} else {
-				consecutiveVoiceDuration += 20;
+				consecutiveVoiceDuration += framelength;
-				voiceDuration += 20;
+				voiceDuration += framelength;
 				/* ast_verbose(VERBOSE_PREFIX_3 "AMD: %d VOICE: ConsecutiveVoice:%d voiceDuration:%d inGreeting:%d\n", currentState, consecutiveVoiceDuration, voiceDuration, inGreeting ); */
 
 				/* If I have enough consecutive voice to say that I am in a Word, I can only increment the
@@ -270,8 +272,8 @@ static void isAnsweringMachine(struct ast_channel *chan, void *data)
 				if (iWordsCount >= maximumNumberOfWords ) {
 					ast_verbose(VERBOSE_PREFIX_3 "AMD: ANSWERING MACHINE: iWordsCount:%d\n", iWordsCount );
 					ast_frfree(f);
-					strcpy(amdStatus , "AMD_MACHINE" );
+					strcpy(amdStatus , "AMDMACHINE" );
-					sprintf(amdCause , "AMD_MAXWORDS-%d-%d", iWordsCount, maximumNumberOfWords );
+					sprintf(amdCause , "AMDMAXWORDS-%d-%d", iWordsCount, maximumNumberOfWords );
 					break;
 				}
 
@@ -279,8 +281,8 @@ static void isAnsweringMachine(struct ast_channel *chan, void *data)
 					ast_verbose(VERBOSE_PREFIX_3 "AMD: ANSWERING MACHINE: voiceDuration:%d greeting:%d\n",
 							voiceDuration, greeting );
 					ast_frfree(f);
-					strcpy(amdStatus , "AMD_MACHINE" );
+					strcpy(amdStatus , "AMDMACHINE" );
-					sprintf(amdCause , "AMD_LONGGREETING-%d-%d", voiceDuration, greeting );
+					sprintf(amdCause , "AMDLONGGREETING-%d-%d", voiceDuration, greeting );
 					break;
 				}
 				if (voiceDuration >= minimumWordLength ) {

configs/amd.conf.sample

@@ -12,7 +12,7 @@
 ; If exceeded then MACHINE
 
 
-[AnsweringMachineDetector]
+[general]
 initial_silence            = 2500
 greeting                   = 1500
 after_greeting_silence     = 300