import upstream media changes

Makefile.in

@@ -1192,6 +1192,7 @@ DIST_MEDIA := $(DST_DIR)/share/media
 $(DIST_MEDIA):
 	mkdir -p $@
 	cp $(SRCDIR)/media/blank.mkv $@
+	cp $(SRCDIR)/media/blank.mka $@
 	cp $(SRCDIR)/media/blank.ptna $@
 
 all-dist: $(DIST_MEDIA)

media/Makefile

@@ -1,9 +1,12 @@
-all: blank.mkv blank.ptna
+all: blank.mkv blank.mka blank.ptna
 
 blank.mkv:
 	#120 frames @ 30 FPS == 4 seconds
 	gst-launch-1.0 videotestsrc num-buffers=120 pattern=smpte ! 'video/x-raw,format=(string)I420,width=320,height=240,framerate=(fraction)30/1' ! av1enc ! queue ! mux. audiotestsrc num-buffers=400 freq=0 samplesperbuffer=441 ! 'audio/x-raw,rate=48000,channels=2' ! opusenc ! queue ! mux. matroskamux name=mux ! filesink location=blank.mkv
 
+blank.mka:
+	gst-launch-1.0 audiotestsrc num-buffers=400 freq=0 samplesperbuffer=441 ! 'audio/x-raw,rate=48000,channels=2' ! opusenc ! queue ! matroskamux ! filesink location=blank.mka
+
 make_blank_ptna: make_blank_ptna.c
 	gcc -Wall -O2 $(shell pkg-config --cflags opus) -o $@ $< -lm $(shell pkg-config --libs opus)