[vlc-commits] codec: dav1d: proper handling of drain

[Francois Cartegnie]

vlc | branch: master | Francois Cartegnie <fcvlcdev at free.fr> | Mon Dec 17 18:27:44 2018 +0100| [de9b68e2cbb0c08e5d901179931386cc536e9cfc] | committer: Francois Cartegnie

codec: dav1d: proper handling of drain

refs #21568

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=de9b68e2cbb0c08e5d901179931386cc536e9cfc
---

 modules/codec/dav1d.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/codec/dav1d.c b/modules/codec/dav1d.c
index c47f1d1575..d3fa58b3dc 100644
--- a/modules/codec/dav1d.c
+++ b/modules/codec/dav1d.c
@@ -247,6 +247,13 @@ static int Decode(decoder_t *dec, block_t *block)
             i_ret = VLC_EGENERIC;
             break;
         }
+
+        /* on drain, we must ignore the 1st EAGAIN */
+        if(!b_draining && (res == -EAGAIN || res == 0) && (p_data == NULL))
+        {
+            b_draining = true;
+            res = 0;
+        }
     } while (res == 0 || (p_data && p_data->sz != 0));