X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Faf_astreamsync.c;h=97686472a94a030accdfee56af28eb97652cc7c6;hb=67a6dac7c18caecb418f7590a484dcbfcad869ab;hp=587d9a7662a79dcdc9ad34078d137411c9b61cbe;hpb=f8911b987de4a84ff8ae92f41ff492ece4acadb9;p=ffmpeg

diff --git a/libavfilter/af_astreamsync.c b/libavfilter/af_astreamsync.c
index 587d9a7662a..97686472a94 100644
--- a/libavfilter/af_astreamsync.c
+++ b/libavfilter/af_astreamsync.c
@@ -11,7 +11,7 @@
  * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
+ * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with FFmpeg; if not, write to the Free Software
@@ -192,11 +192,11 @@ AVFilter avfilter_af_astreamsync = {
         { .name             = "in1",
           .type             = AVMEDIA_TYPE_AUDIO,
           .filter_samples   = filter_samples,
-          .min_perms        = AV_PERM_READ, },
+          .min_perms        = AV_PERM_READ | AV_PERM_PRESERVE, },
         { .name             = "in2",
           .type             = AVMEDIA_TYPE_AUDIO,
           .filter_samples   = filter_samples,
-          .min_perms        = AV_PERM_READ, },
+          .min_perms        = AV_PERM_READ | AV_PERM_PRESERVE, },
         { .name = NULL }
     },
     .outputs   = (const AVFilterPad[]) {