enhance control_playback to have an app (app_controlplayback) and to allow pause (inherited by app_voicemail)

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3087 65c4cc65-6c06-0410-ace0-fbb531ad65f3

app.c

@@ -407,12 +407,79 @@ int ast_linear_stream(struct ast_channel *chan, const char *filename, int fd, in
 	return res;
 }
 
-int ast_control_streamfile(struct ast_channel *chan, char *file, char *f, char *r, int skipms) 
+int ast_control_streamfile(struct ast_channel *chan, char *file,char *fwd,char *rev,char *stop,char *pause,int skipms) 
 {
-	int res;
-	if ((res = ast_streamfile(chan, file, chan->language)))
-		ast_log(LOG_WARNING, "Unable to stream file  %s\n", file);
-	if (!res)
-		res = ast_waitstream_fr(chan, AST_DIGIT_ANY,f,r,skipms);
+
+	struct timeval started, ended;
+	long elapsed = 0,last_elapsed =0;
+	char breaks[5];
+	int x=0,res=0;
+
+	if (chan->_state != AST_STATE_UP)
+		res = ast_answer(chan);
+
+
+	if(stop != NULL && stop[0]) {
+		breaks[x++] = stop[0];
+	}
+	if(pause != NULL && pause[0]) {
+		breaks[x++] = pause[0];
+	}
+	breaks[x] = '\0';
+
+	if(chan)
+		ast_stopstream(chan);
+
+	for(;;) {
+		gettimeofday(&started,NULL);
+
+		if(chan)
+			ast_stopstream(chan);
+		res = ast_streamfile(chan, file, chan->language);
+		if(!res) {
+			res = 1;
+			if(elapsed) {
+				ast_stream_fastforward(chan->stream,elapsed);
+				last_elapsed = elapsed - 200;
+			}
+			if(res) {
+				res = ast_waitstream_fr(chan,breaks,fwd,rev,skipms);
+			}
+			else {
+				break;
+			}
+		}
+
+		if (res < 1)
+			break;
+
+		if(pause != NULL && res == *pause) {
+			gettimeofday(&ended,NULL);
+			elapsed = (((ended.tv_sec * 1000) + ended.tv_usec / 1000) - ((started.tv_sec * 1000) + started.tv_usec / 1000) + last_elapsed);
+			for(;;) {
+				if(chan)
+					ast_stopstream(chan);
+				res = ast_waitfordigit(chan, 1000);
+				if(res == -1 || res == *pause || (stop && res == *stop))
+					break;
+			}
+			if(res == *pause) {
+				res = 0;
+				continue;
+			}
+		}
+		if(res == -1)
+			break;
+
+		if(stop != NULL && res == *stop) {
+			res = 0;
+			break;
+		}
+	}
+	if(chan)
+		ast_stopstream(chan);
+
 	return res;
+
 }
+

apps/app_controlplayback.c

@@ -31,13 +31,13 @@ static char *app = "ControlPlayback";
 static char *synopsis = "Play a file with fast forward and rewind";
 
 static char *descrip = 
-"ControlPlayback(filename[|skipms][|<rewindchar><ffchar><endchar>]):\n"
+"ControlPlayback(filename[|skipms]|[ffchar]|[rewchar]|[stopchar]]):\n"
 "  Plays  back  a  given  filename (do not put extension). Options may also\n"
 "  be included following a pipe symbol.  You can use * and # to rewind and\n"
-"  fast forward the playback specified. If 'endchar' is added the file will\n"
-"  terminate playback when 'endchar' is pressed. Returns -1 if the channel\n"
+"  fast forward the playback specified. If 'stopchar' is added the file will\n"
+"  terminate playback when 'stopchar' is pressed. Returns -1 if the channel\n"
 "  was hung up, or if the file does not exist. Returns 0 otherwise.\n\n"
-"  Example:  exten => 1234,1,ControlPlayback(file|4000|*#1)\n\n";
+"  Example:  exten => 1234,1,ControlPlayback(file|4000|*|#|1)\n\n";
 
 
 STANDARD_LOCAL_USER;
@@ -55,53 +55,61 @@ static int controlplayback_exec(struct ast_channel *chan, void *data)
 	int skipms = 0;
 	struct localuser *u;
 	char tmp[256];
-	char opts[3];
-	char *skip = NULL, *stop = NULL;
+	char *skip = NULL, *fwd = NULL, *rev = NULL, *stop = NULL, *pause = NULL, *file = NULL;
+
+
 	if (!data || ast_strlen_zero((char *)data)) {
 		ast_log(LOG_WARNING, "ControlPlayback requires an argument (filename)\n");
 		return -1;
 	}
 	
-	memset(opts,0,3);
+
 	strncpy(tmp, (char *)data, sizeof(tmp)-1);
+	file = tmp;
+
 	if((skip=strchr(tmp,'|'))) {
 		*skip = '\0';
 		*skip++;
-	}
-
-	if(skip && (stop=strchr(skip,'|'))) {
-		*stop = '\0';
-		*stop++;
-		strncpy(opts,stop,3);
+		fwd=strchr(skip,'|');
+		if(fwd) {
+			*fwd = '\0';
+			*fwd++;
+			rev = strchr(fwd,'|');
+			if(rev) {
+				*rev = '\0';
+				*rev++;
+				stop = strchr(rev,'|');
+				if(stop) {
+					*stop = '\0';
+					*stop++;
+					pause = strchr(stop,'|');
+					if(pause) {
+						*pause = '\0';
+						*pause++;
+					}
+				}
+			}
+		}
 	}
 
 	skipms = skip ? atoi(skip) : 3000;
 	if(!skipms)
 		skipms = 3000;
 
-	if(opts[0] == '\0' || ! is_on_phonepad(opts[0]))
-		opts[0] = '*';
-	if(opts[1] == '\0' || ! is_on_phonepad(opts[1]))
-		opts[1] = '#';
-	if(opts[2] == '\0' || ! is_on_phonepad(opts[2]))
-		opts[2] = '1';
+	if(!fwd || ! is_on_phonepad(*fwd))
+		fwd = "#";
+	if(!rev || ! is_on_phonepad(*rev))
+		rev = "*";
+	if(stop && ! is_on_phonepad(*stop))
+		stop = NULL;
+	if(pause && ! is_on_phonepad(*pause))
+		pause = NULL;
+
 
 	LOCAL_USER_ADD(u);
 
-	if (chan->_state != AST_STATE_UP)
-		res = ast_answer(chan);
-
-	ast_stopstream(chan);
-	for(;;) {
-		res = ast_control_streamfile(chan, tmp, &opts[1], &opts[0], skipms);
-		if (res < 1)
-			break;
-		if(res == opts[2]) {
-			res = 0;
-			break;
-		}
-	}
-	ast_stopstream(chan);
+	res = ast_control_streamfile(chan, file, fwd, rev, stop, pause, skipms);
+
 	LOCAL_USER_REMOVE(u);
 	return res;
 }

apps/app_voicemail.c

@@ -2549,7 +2549,7 @@ static int wait_file2(struct ast_channel *chan, struct vm_state *vms, char *file
 
 static int wait_file(struct ast_channel *chan, struct vm_state *vms, char *file) 
 {
-	return ast_control_streamfile(chan, file, "#", "*", skipms);
+	return ast_control_streamfile(chan, file, "#", "*","1","0", skipms);
 }
 
 static int play_message_datetime(struct ast_channel *chan, struct ast_vm_user *vmu, char *origtime, char *filename)

include/asterisk/app.h

@@ -54,8 +54,8 @@ int ast_dtmf_stream(struct ast_channel *chan, struct ast_channel *peer, char *di
 //! Stream a filename (or file descriptor) as a generator.
 int ast_linear_stream(struct ast_channel *chan, const char *filename, int fd, int allowoverride);
 
-//! Stream a file with fast forward and reverse.
-int ast_control_streamfile(struct ast_channel *chan, char *file, char *f, char *r, int skipms);
+//! Stream a file with fast forward, pause, reverse.
+int ast_control_streamfile(struct ast_channel *chan, char *file,char *fwd,char *rev,char *stop,char *pause,int skipms);
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }