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queue2: add more info in the buffering query

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Add the estimated download time and estimated time left to the buffering query
results along with the estimated download and playback speed.
This commit is contained in:
Wim Taymans 2010-03-24 19:02:12 +01:00
parent 11304c1257
commit f9c6a0886e
1 changed files with 37 additions and 14 deletions
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51
plugins/elements/gstqueue2.c
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@ -1942,23 +1942,43 @@ gst_queue2_handle_src_query (GstPad * pad, GstQuery * query)
} else {
gint64 start, stop;
guint64 writing_pos;
gint64 estimated_total, buffering_left;
GstFormat peer_fmt;
gint64 duration;
gboolean peer_res, is_buffering;
gdouble byte_in_rate, byte_out_rate;
/* we need a current download region */
if (queue->current == NULL)
return FALSE;
writing_pos = queue->current->writing_pos;
byte_in_rate = queue->byte_in_rate;
byte_out_rate = queue->byte_out_rate;
is_buffering = queue->is_buffering;
/* get duration of upstream in bytes */
peer_fmt = GST_FORMAT_BYTES;
peer_res = gst_pad_query_peer_duration (queue->sinkpad, &peer_fmt,
&duration);
/* calculate remaining and total download time */
if (peer_res && byte_in_rate > 0.0) {
estimated_total = (duration * 1000) / byte_in_rate;
buffering_left = ((duration - writing_pos) * 1000) / byte_in_rate;
} else {
estimated_total = -1;
buffering_left = -1;
}
gst_query_parse_buffering_range (query, &format, NULL, NULL, NULL);
switch (format) {
case GST_FORMAT_PERCENT:
{
gint64 duration;
GstFormat peer_fmt;
peer_fmt = GST_FORMAT_BYTES;
if (!gst_pad_query_peer_duration (queue->sinkpad, &peer_fmt,
&duration))
/* we need duration */
if (!peer_res)
goto peer_failed;
writing_pos = queue->current->writing_pos;
GST_DEBUG_OBJECT (queue, "duration %" G_GINT64_FORMAT ", writing %"
G_GINT64_FORMAT, duration, writing_pos);
@ -1969,18 +1989,21 @@ gst_queue2_handle_src_query (GstPad * pad, GstQuery * query)
else
stop = -1;
break;
}
case GST_FORMAT_BYTES:
start = 0;
stop = queue->current->writing_pos;
stop = writing_pos;
break;
default:
start = -1;
stop = -1;
break;
}
gst_query_set_buffering_percent (query, queue->is_buffering, 100);
gst_query_set_buffering_range (query, format, start, stop, -1);
/* FIXME, percent buffering is not right */
gst_query_set_buffering_percent (query, is_buffering, 100);
gst_query_set_buffering_range (query, format, start, stop,
estimated_total);
gst_query_set_buffering_stats (query, GST_BUFFERING_DOWNLOAD,
byte_in_rate, byte_out_rate, buffering_left);
}
break;
}