avfilter/fade: use AV_OPT_TYPE_BOOL for alpha option

10 years ago · 334b11246c
parent e1d24e6c1e
commit 334b11246c
1 changed files with 1 additions and 1 deletions
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@ -384,7 +384,7 @@ static const AVOption fade_options[] = {
                                                    OFFSET(nb_frames),   AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, FLAGS },
    { "n",           "Number of frames to which the effect should be applied.",
                                                    OFFSET(nb_frames),   AV_OPT_TYPE_INT, { .i64 = 25 }, 0, INT_MAX, FLAGS },
-    { "alpha",       "fade alpha if it is available on the input", OFFSET(alpha),       AV_OPT_TYPE_INT, {.i64 = 0    }, 0,       1, FLAGS },
+    { "alpha",       "fade alpha if it is available on the input", OFFSET(alpha),       AV_OPT_TYPE_BOOL, {.i64 = 0    }, 0,       1, FLAGS },
    { "start_time",  "Number of seconds of the beginning of the effect.",
                                                    OFFSET(start_time),  AV_OPT_TYPE_DURATION, {.i64 = 0. }, 0, INT32_MAX, FLAGS },
    { "st",          "Number of seconds of the beginning of the effect.",