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-rw-r--r--audio/filter/af_lavfi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/audio/filter/af_lavfi.c b/audio/filter/af_lavfi.c
index 30097ee34d..eaec556dc7 100644
--- a/audio/filter/af_lavfi.c
+++ b/audio/filter/af_lavfi.c
@@ -195,6 +195,9 @@ static int control(struct af_instance *af, int cmd, void *arg)
mp_chmap_from_channels(&out_cm, l_out->channels);
mp_audio_set_channels(out, &out_cm);
+ if (!mp_audio_config_valid(out))
+ return AF_ERROR;
+
p->timebase_out = l_out->time_base;
// Blatantly incorrect; we don't know what the filters do.