af_channelmap: require AV_PERM_PRESERVE.

13 years ago · 368f368e59
parent 44aeb06290
commit 368f368e59
1 changed files with 2 additions and 2 deletions
--- a/libavfilter/af_astreamsync.c
+++ b/libavfilter/af_astreamsync.c
@ -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[]) {