[FFmpeg-devel] [PATCH V1 11/11] lavfi/vulume: enable runtime change flag
Jun Zhao
mypopydev at gmail.com
Sat Jan 11 06:13:58 EET 2020
From: Jun Zhao <barryjzhao at tencent.com>
enable runtime change flag.
Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
---
libavfilter/af_volume.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/libavfilter/af_volume.c b/libavfilter/af_volume.c
index b106ed8..213c571 100644
--- a/libavfilter/af_volume.c
+++ b/libavfilter/af_volume.c
@@ -62,10 +62,11 @@ static const char *const var_names[] = {
#define OFFSET(x) offsetof(VolumeContext, x)
#define A AV_OPT_FLAG_AUDIO_PARAM
#define F AV_OPT_FLAG_FILTERING_PARAM
+#define T AV_OPT_FLAG_RUNTIME_PARAM
static const AVOption volume_options[] = {
{ "volume", "set volume adjustment expression",
- OFFSET(volume_expr), AV_OPT_TYPE_STRING, { .str = "1.0" }, .flags = A|F },
+ OFFSET(volume_expr), AV_OPT_TYPE_STRING, { .str = "1.0" }, .flags = A|F|T },
{ "precision", "select mathematical precision",
OFFSET(precision), AV_OPT_TYPE_INT, { .i64 = PRECISION_FLOAT }, PRECISION_FIXED, PRECISION_DOUBLE, A|F, "precision" },
{ "fixed", "select 8-bit fixed-point", 0, AV_OPT_TYPE_CONST, { .i64 = PRECISION_FIXED }, INT_MIN, INT_MAX, A|F, "precision" },
--
1.7.1
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