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dashdemux: reworked gst_dash_demux_get_buffering_time() to return the effective buffering time

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do not assume the Fragment duration is constant
This commit is contained in:
Gianluca Gennari 2012-10-24 14:24:05 +02:00 committed by Thiago Santos
parent 0abd777257
commit cfcd9ffac6
1 changed files with 23 additions and 6 deletions
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29
ext/dash/gstdashdemux.c
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@ -174,10 +174,10 @@ enum
};
/* Default values for properties */
#define DEFAULT_MIN_BUFFERING_TIME 5 /* in seconds */
#define DEFAULT_MAX_BUFFERING_TIME 30 /* in seconds */
#define DEFAULT_BANDWIDTH_USAGE 0.8 /* 0 to 1 */
#define DEFAULT_MAX_BITRATE 24000000 /* in Mbit/s */
#define DEFAULT_MIN_BUFFERING_TIME 5 /* in seconds */
#define DEFAULT_MAX_BUFFERING_TIME 30 /* in seconds */
#define DEFAULT_BANDWIDTH_USAGE 0.8 /* 0 to 1 */
#define DEFAULT_MAX_BITRATE 24000000 /* in bit/s */
#define DEFAULT_FAILED_COUNT 3
@ -1076,8 +1076,25 @@ gst_dash_demux_reset (GstDashDemux * demux, gboolean dispose)
static GstClockTime
gst_dash_demux_get_buffering_time (GstDashDemux * demux)
{
return (g_queue_get_length (demux->queue)) *
gst_mpd_client_get_target_duration (demux->client);
GstClockTime buffer_time = 0;
GList *listfragment;
GstFragment *first_fragment, *last_fragment;
if (g_queue_is_empty (demux->queue))
return 0;
/* get first fragment */
listfragment = g_queue_peek_head (demux->queue);
first_fragment = listfragment->data;
/* get last fragment */
listfragment = g_queue_peek_tail (demux->queue);
last_fragment = listfragment->data;
if (first_fragment && last_fragment) {
buffer_time = last_fragment->stop_time - first_fragment->start_time;
}
return buffer_time;
}
static float