Fix closing command on end of stream

scripts/playback-mpv.sh

@@ -4,7 +4,7 @@
 
 cd "$(cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
 
-../bin/xyz2yuv \
+../bin/xyz2yuv -lowres=2 \
 -in "${1}" \
 -colorspace "${2}" \
 -out - | mpv --msg-level="vo=v" \

xyz2yuv.go

@@ -285,7 +285,7 @@ func main() {
 		wgDecoder.Add(1)
 		go func() {
 			defer wg.Done()
-			defer wgDecoder.Add(1)
+			defer wgDecoder.Done()
 
 			for p := range jpegDecoderChannel {