aplay/arecord: filter direction for -L command

diff --git a/aplay/aplay.c b/aplay/aplay.c
index 763001130c20baa68366b08c55eb85a84f8010a9..79bbd198bf52c0d4539844945a94b18b4a0db54a 100644 (file)
--- a/aplay/aplay.c
+++ b/aplay/aplay.c
@@ -280,18 +280,23 @@ static void device_list(void)
 
 static void pcm_list(void)
 {
-       char **hints, **n, *delim;
+       char **hints, **n, *delim, *filter;
 
        if (snd_device_name_hint(-1, SND_CTL_ELEM_IFACE_PCM, &hints) < 0)
                return;
        n = hints;
+       filter = stream == SND_PCM_STREAM_CAPTURE ? "{Playback}" : "{Capture}";
        while (*n != NULL) {
                delim = strchr(*n, '|');
-               if (delim)
+               if (delim) {
                        *delim = '\0';
+                       if (strstr(delim + 1, filter) != NULL)
+                               goto __end;
+               }
                printf("%s\n", *n);
                if (delim)
                        printf("    %s\n", delim + 1);
+             __end:
                n++;
        }
        snd_device_name_free_hint(hints);