From: Siyuan Huang <saber.hu...@samsung.com>
according iso 23009-1 , in live cases , mpd refresh
period should be changeable
Signed-off-by: Siyuan Huang <saber.hu...@samsung.com>
---
doc/muxers.texi | 4 ++++
libavformat/dashenc.c | 4 ++++
2 files changed, 8 insertions(+)
mode change 100644 => 100755 doc/muxers.texi
diff --git a/doc/muxers.texi b/doc/muxers.texi
old mode 100644
new mode 100755
index b1389a3227..babbcb16af
--- a/doc/muxers.texi
+++ b/doc/muxers.texi
@@ -366,6 +366,10 @@ adjusting playback latency and buffer occupancy during
normal playback by client
Set the maximum playback rate indicated as appropriate for the purposes of
automatically
adjusting playback latency and buffer occupancy during normal playback by
clients.
+@item update_period @var{update_period}
+ Set the mpd update period ,for dynamic content.
+ The unit is second.
+
@end table
@anchor{framecrc}
diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c
index 66a8a62294..ef6e3d29c6 100755
--- a/libavformat/dashenc.c
+++ b/libavformat/dashenc.c
@@ -198,6 +198,7 @@ typedef struct DASHContext {
int target_latency_refid;
AVRational min_playback_rate;
AVRational max_playback_rate;
+ int64_t update_period;
} DASHContext;
static struct codec_string {
@@ -1184,6 +1185,8 @@ static int write_manifest(AVFormatContext *s, int
final)
char now_str[100];
if (c->use_template && !c->use_timeline)
update_period = 500;
+ if (c->update_period)
+ update_period = c->update_period;
avio_printf(out, "\tminimumUpdatePeriod=\"PT%"PRId64"S\"\n",
update_period);
if (!c->ldash)
avio_printf(out,
"\tsuggestedPresentationDelay=\"PT%"PRId64"S\"\n", c->last_duration /
AV_TIME_BASE);
@@ -2382,6 +2385,7 @@ static const AVOption options[] = {
{ "target_latency", "Set desired target latency for Low-latency dash",
OFFSET(target_latency), AV_OPT_TYPE_DURATION, { .i64 = 0 }, 0, INT_MAX, E },
{ "min_playback_rate", "Set desired minimum playback rate",
OFFSET(min_playback_rate), AV_OPT_TYPE_RATIONAL, { .dbl = 1.0 }, 0.5, 1.5, E
},
{ "max_playback_rate", "Set desired maximum playback rate",
OFFSET(max_playback_rate), AV_OPT_TYPE_RATIONAL, { .dbl = 1.0 }, 0.5, 1.5, E
},
+ { "update_period", "Set the mpd update interval",
OFFSET(update_period), AV_OPT_TYPE_INT64, {.i64 = 0}, 0, INT64_MAX, E},
{ NULL },
};
--
2.17.1
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