shithub: sox

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Applying small cosmetic fixes.

--- a/sox.1

+++ b/sox.1

@@ -506,7 +506,7 @@

 Reduce the number of channels by averaging the samples,

 or duplicate channels to increase the number of channels.

 This effect is automatically used when the number of input

-samples differ from the number of output channels.  When reducing

+channels differ from the number of output channels.  When reducing

 the number of channels it is possible to manually specify the

 avg effect and use the \fI-l\fR and \fI-r\fR options to select only

 the left or right channel for the output instead of averaging the

--- a/src/avg.c

+++ b/src/avg.c

@@ -65,6 +65,13 @@

 int st_avg_start(effp)

 eff_t effp;

 {

+        if ((effp->ininfo.channels == effp->outinfo.channels) ||

+	    effp->outinfo.channels == -1)

+	{

+	    fail("Output must have different number of channels to use avg effect");

+	    return(ST_EOF);

+	}

+

 	switch (effp->outinfo.channels) 

 	{

 	case 1: switch (effp->ininfo.channels)