Signed-off-by: Marton Balint <c...@passwd.hu>
---
doc/filters.texi | 7 +++++--
libavfilter/af_apad.c | 8 ++++----
libavfilter/version.h | 2 +-
3 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/doc/filters.texi b/doc/filters.texi
index 66c0f87e47..f164f4d62d 100644
--- a/doc/filters.texi
+++ b/doc/filters.texi
@@ -2248,12 +2248,12 @@ with @option{pad_len}.
@ item pad_dur
Specify the duration of samples of silence to add. See
@ ref{time duration syntax,,the Time duration section in the
@ ffmpeg-utils(1) manual,ffmpeg-utils}
-for the accepted syntax. Used only if set to non-zero value.
+for the accepted syntax. Used only if set to non-negative value.
@ item whole_dur
Specify the minimum total duration in the output audio stream. See
@ ref{time duration syntax,,the Time duration section in the
@ ffmpeg-utils(1) manual,ffmpeg-utils}
-for the accepted syntax. Used only if set to non-zero value. If the value
is longer than
+for the accepted syntax. Used only if set to non-negative value. If the
value is longer than
the input audio length, silence is added to the end, until the value is
reached.
This option is mutually exclusive with @option{pad_dur}
@ end table
@@ -2262,6 +2262,9 @@ If neither the @option{pad_len} nor the
@@ @option{whole_len} nor @option{pad_dur}
nor @option{whole_dur} option is set, the filter will add silence to the
end of
the input stream indefinitely.
+Note that for ffmpeg 4.4 and earlier a zero @option{pad_dur} or
+@option{whole_dur} also caused the filter to add silence indefinitely.
+
@ subsection Examples
@ itemize
diff --git a/libavfilter/af_apad.c b/libavfilter/af_apad.c
index 8628c0c2e2..ff60eaa397 100644
--- a/libavfilter/af_apad.c
+++ b/libavfilter/af_apad.c
@@ -52,8 +52,8 @@ static const AVOption apad_options[] = {
{ "packet_size", "set silence packet size",
OFFSET(packet_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 0, INT_MAX, A
},
{ "pad_len", "set number of samples of silence to add",
OFFSET(pad_len), AV_OPT_TYPE_INT64, { .i64 = -1 }, -1, INT64_MAX,
A },
{ "whole_len", "set minimum target number of samples in the audio
stream", OFFSET(whole_len), AV_OPT_TYPE_INT64, { .i64 = -1 }, -1,
INT64_MAX, A },
- { "pad_dur", "set duration of silence to add",
OFFSET(pad_dur), AV_OPT_TYPE_DURATION, { .i64 = 0 }, 0, INT64_MAX, A
},
- { "whole_dur", "set minimum target duration in the audio stream",
OFFSET(whole_dur), AV_OPT_TYPE_DURATION, { .i64 = 0 }, 0, INT64_MAX, A
},
+ { "pad_dur", "set duration of silence to add",
OFFSET(pad_dur), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT64_MAX, A
},
+ { "whole_dur", "set minimum target duration in the audio stream",
OFFSET(whole_dur), AV_OPT_TYPE_DURATION, { .i64 = -1 }, -1, INT64_MAX, A
},
{ NULL }
};
@@ -138,9 +138,9 @@ static int config_output(AVFilterLink *outlink)
AVFilterContext *ctx = outlink->src;
APadContext *s = ctx->priv;
- if (s->pad_dur)
+ if (s->pad_dur >= 0)
s->pad_len = av_rescale(s->pad_dur, outlink->sample_rate,
AV_TIME_BASE);
- if (s->whole_dur)
+ if (s->whole_dur >= 0)
s->whole_len = av_rescale(s->whole_dur, outlink->sample_rate,
AV_TIME_BASE);
s->pad_len_left = s->pad_len;
diff --git a/libavfilter/version.h b/libavfilter/version.h
index 75cd10dccd..85acd613a0 100644
--- a/libavfilter/version.h
+++ b/libavfilter/version.h
@@ -31,7 +31,7 @@
#define LIBAVFILTER_VERSION_MAJOR 8
#define LIBAVFILTER_VERSION_MINOR 1
-#define LIBAVFILTER_VERSION_MICRO 103
+#define LIBAVFILTER_VERSION_MICRO 104
#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR,
\
--
2.26.2
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