@@ -1253,6 +1253,10 @@ Smallest time (in seconds) shifting buffer for which any Representation is

 guaranteed to be available. This will go in the @samp{timeShiftBufferDepth}

 attribute of the @samp{MPD} element. Default: 60.

+@item minimum_update_period

+Minimum update period (in seconds) of the manifest. This will go in the

+@samp{minimumUpdatePeriod} attribute of the @samp{MPD} element. Default: 0.

+

 @end table

 @subsection Example

@@ -56,6 +56,7 @@ typedef struct WebMDashMuxContext {

     int chunk_duration;

     char *utc_timing_url;

     double time_shift_buffer_depth;

+    int minimum_update_period;

     int debug_mode;

 } WebMDashMuxContext;

@@ -116,7 +117,7 @@ static void write_header(AVFormatContext *s)

         }

         avio_printf(s->pb, "  availabilityStartTime=\"%s\"\n", gmt_iso);

         avio_printf(s->pb, "  timeShiftBufferDepth=\"PT%gS\"\n", w->time_shift_buffer_depth);

-        avio_printf(s->pb, "  minimumUpdatePeriod=\"0\"");

+        avio_printf(s->pb, "  minimumUpdatePeriod=\"PT%dS\"", w->minimum_update_period);

         avio_printf(s->pb, ">\n");

         avio_printf(s->pb, "<UTCTiming\n");

         avio_printf(s->pb, "  schemeIdUri=\"%s\"\n",

@@ -517,6 +518,7 @@ static const AVOption options[] = {

     { "chunk_duration_ms", "duration of each chunk (in milliseconds)", OFFSET(chunk_duration), AV_OPT_TYPE_INT, {.i64 = 1000}, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },

     { "utc_timing_url", "URL of the page that will return the UTC timestamp in ISO format", OFFSET(utc_timing_url), AV_OPT_TYPE_STRING, { 0 }, 0, 0, AV_OPT_FLAG_ENCODING_PARAM },

     { "time_shift_buffer_depth", "Smallest time (in seconds) shifting buffer for which any Representation is guaranteed to be available.", OFFSET(time_shift_buffer_depth), AV_OPT_TYPE_DOUBLE, { .dbl = 60.0 }, 1.0, DBL_MAX, AV_OPT_FLAG_ENCODING_PARAM },

+    { "minimum_update_period", "Minimum Update Period (in seconds) of the manifest.", OFFSET(minimum_update_period), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, AV_OPT_FLAG_ENCODING_PARAM },

     { NULL },

 };

@@ -44,7 +44,7 @@ FATE_VP8-$(call DEMDEC, WEBM_DASH_MANIFEST, VP8) += fate-webm-dash-manifest-repr

 fate-webm-dash-manifest-representations: CMD = run ffmpeg -f webm_dash_manifest -i $(TARGET_SAMPLES)/vp8/dash_video1.webm -f webm_dash_manifest -i $(TARGET_SAMPLES)/vp8/dash_video4.webm -c copy -map 0 -map 1 -f webm_dash_manifest -adaptation_sets "id=0,streams=0,1" -

 FATE_VP8-$(call DEMDEC, WEBM_DASH_MANIFEST, VP8) += fate-webm-dash-manifest-live

-fate-webm-dash-manifest-live: CMD = run ffmpeg -f webm_dash_manifest -live 1 -i $(TARGET_SAMPLES)/vp8/dash_live_video_360.hdr -f webm_dash_manifest -live 1 -i $(TARGET_SAMPLES)/vp8/dash_live_audio_171.hdr -c copy -map 0 -map 1 -f webm_dash_manifest -live 1 -adaptation_sets "id=0,streams=0 id=1,streams=1" -chunk_start_index 1 -chunk_duration_ms 5000 -time_shift_buffer_depth 7200 -debug_mode 1 -

+fate-webm-dash-manifest-live: CMD = run ffmpeg -f webm_dash_manifest -live 1 -i $(TARGET_SAMPLES)/vp8/dash_live_video_360.hdr -f webm_dash_manifest -live 1 -i $(TARGET_SAMPLES)/vp8/dash_live_audio_171.hdr -c copy -map 0 -map 1 -f webm_dash_manifest -live 1 -adaptation_sets "id=0,streams=0 id=1,streams=1" -chunk_start_index 1 -chunk_duration_ms 5000 -time_shift_buffer_depth 7200 -minimum_update_period 60 -debug_mode 1 -

 FATE_SAMPLES_AVCONV += $(FATE_VP6-yes)

 fate-vp6: $(FATE_VP6-yes)

@@ -8,7 +8,7 @@

   profiles="urn:mpeg:dash:profile:isoff-live:2011"

   availabilityStartTime=""

   timeShiftBufferDepth="PT7200S"

-  minimumUpdatePeriod="0">

+  minimumUpdatePeriod="PT60S">

 <UTCTiming

   schemeIdUri="urn:mpeg:dash:utc:direct:2012"

   value=""/>