From fe662fef246c465f72b4e82c44cbe6fd62e73a4e Mon Sep 17 00:00:00 2001 From: SiyuanHuang Date: Mon, 1 Jun 2020 18:19:07 +0800 Subject: [PATCH] libavformat/dashenc.c:add support to change mpd update interval according iso 23009-1 , in live cases , mpd refresh period should be changeable Signed-off-by: SiyuanHuang --- libavformat/dashenc.c | 4 ++++ 1 file changed, 4 insertions(+) mode change 100644 => 100755 libavformat/dashenc.c diff --git a/libavformat/dashenc.c b/libavformat/dashenc.c old mode 100644 new mode 100755 index 3f6c39f003..4143b94883 --- a/libavformat/dashenc.c +++ b/libavformat/dashenc.c @@ -196,6 +196,7 @@ typedef struct DASHContext { int target_latency_refid; AVRational min_playback_rate; AVRational max_playback_rate; + int64_t update_period; } DASHContext; static struct codec_string { @@ -1178,6 +1179,8 @@ 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); @@ -2372,6 +2375,7 @@ 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