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implement buffering-left argument to buffer messages

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Using the current fill level of the queue, and the average input
rate, we can determine how long it will take to finish downloading
the whole stream to the temporary file.

Fixes #600726
This commit is contained in:
Bastien Nocera 2009-11-04 19:33:58 +00:00 committed by Wim Taymans
parent 7da9eb0f74
commit 9581e5887c
1 changed files with 16 additions and 3 deletions
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19
plugins/elements/gstqueue2.c
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@ -621,6 +621,7 @@ update_buffering (GstQueue2 * queue)
if (post) {
GstMessage *message;
GstBufferingMode mode;
gint64 buffering_left = -1;
/* scale to high percent so that it becomes the 100% mark */
percent = percent * 100 / queue->high_percent;
@ -628,15 +629,27 @@ update_buffering (GstQueue2 * queue)
if (percent > 100)
percent = 100;
if (QUEUE_IS_USING_TEMP_FILE (queue))
if (QUEUE_IS_USING_TEMP_FILE (queue)) {
GstFormat fmt = GST_FORMAT_BYTES;
gint64 duration;
mode = GST_BUFFERING_DOWNLOAD;
else
if (queue->byte_in_rate > 0) {
if (gst_pad_query_peer_duration (queue->sinkpad, &fmt, &duration))
buffering_left =
(gdouble) ((duration -
queue->writing_pos) * 1000) / queue->byte_in_rate;
} else {
buffering_left = G_MAXINT64;
}
} else {
mode = GST_BUFFERING_STREAM;
}
GST_DEBUG_OBJECT (queue, "buffering %d percent", percent);
message = gst_message_new_buffering (GST_OBJECT_CAST (queue), percent);
gst_message_set_buffering_stats (message, mode,
queue->byte_in_rate, queue->byte_out_rate, -1);
queue->byte_in_rate, queue->byte_out_rate, buffering_left);
gst_element_post_message (GST_ELEMENT_CAST (queue), message);