lavfi: change "transmedia" into "multimedia".

doc/filters.texi

@@ -4008,10 +4008,10 @@ tools.
 
 @c man end VIDEO SINKS
 
-@chapter Transmedia Filters
-@c man begin TRANSMEDIA FILTERS
+@chapter Multimedia Filters
+@c man begin MULTIMEDIA FILTERS
 
-Below is a description of the currently available transmedia filters.
+Below is a description of the currently available multimedia filters.
 
 @section concat
 
@@ -4126,4 +4126,4 @@ aevalsrc=sin(1*2*PI*t)*sin(880*2*PI*t):cos(2*PI*200*t),asplit[out0],showwaves=r=
 @end example
 @end itemize
 
-@c man end TRANSMEDIA FILTERS
+@c man end MULTIMEDIA FILTERS

libavfilter/Makefile

@@ -198,7 +198,7 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_yuvcsp.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_yvu9.o
 OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/pullup.o
 
-# transmedia filters
+# multimedia filters
 OBJS-$(CONFIG_CONCAT_FILTER)                 += avf_concat.o
 OBJS-$(CONFIG_SHOWWAVES_FILTER)              += avf_showwaves.o
 

libavfilter/allfilters.c

@@ -135,7 +135,7 @@ void avfilter_register_all(void)
     REGISTER_FILTER (BUFFERSINK,  buffersink,  vsink);
     REGISTER_FILTER (NULLSINK,    nullsink,    vsink);
 
-    /* transmedia filters */
+    /* multimedia filters */
     REGISTER_FILTER (CONCAT,      concat,      avf);
     REGISTER_FILTER (SHOWWAVES,   showwaves,   avf);
 

libavfilter/avf_showwaves.c

@@ -20,7 +20,7 @@
 
 /**
  * @file
- * audio to video transmedia filter
+ * audio to video multimedia filter
  */
 
 #include "libavutil/audioconvert.h"