af_lavcac3enc: implement flushing on seek

There's a lot of data that could have been buffered, and which has to be
discarded.

1 files changed, 7 insertions, 0 deletions

diff --git a/audio/filter/af_lavcac3enc.c b/audio/filter/af_lavcac3enc.c
index 5a5996f9bd..6eb71643dd 100644
--- a/audio/filter/af_lavcac3enc.c
+++ b/audio/filter/af_lavcac3enc.c
@@ -170,6 +170,13 @@ static int control(struct af_instance *af, int cmd, void *arg)
         s->input->samples = 0;
         return AF_OK;
     }
+    case AF_CONTROL_RESET:
+        if (avcodec_is_open(s->lavc_actx))
+            avcodec_flush_buffers(s->lavc_actx);
+        talloc_free(s->pending);
+        s->pending = NULL;
+        s->input->samples = 0;
+        return AF_OK;
     }
     return AF_UNKNOWN;
 }