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matroskademux: refactor eos sending when pausing loop

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Also, prevent hanging if no pads yet on which to send eos by
posting a message instead.
This commit is contained in:
Mark Nauwelaerts 2010-01-11 19:02:34 +01:00
parent ae515fead4
commit 59224d77f8
1 changed files with 18 additions and 7 deletions
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25
gst/matroska/matroska-demux.c
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@ -2062,12 +2062,14 @@ gst_matroska_demux_found_global_tag (GstMatroskaDemux * demux,
}
}
/* takes ownership of the passed event! */
/* returns FALSE if there are no pads to deliver event to,
* otherwise TRUE (whatever the outcome of event sending),
* takes ownership of the passed event! */
static gboolean
gst_matroska_demux_send_event (GstMatroskaDemux * demux, GstEvent * event)
{
gboolean is_newsegment;
gboolean ret = TRUE;
gboolean ret = FALSE;
gint i;
g_return_val_if_fail (event != NULL, FALSE);
@ -2085,6 +2087,7 @@ gst_matroska_demux_send_event (GstMatroskaDemux * demux, GstEvent * event)
stream = g_ptr_array_index (demux->src, i);
gst_event_ref (event);
gst_pad_push_event (stream->pad, event);
ret = TRUE;
/* FIXME: send global tags before stream tags */
if (G_UNLIKELY (is_newsegment && stream->pending_tags != NULL)) {
@ -5163,6 +5166,8 @@ pause:
gst_pad_pause_task (demux->sinkpad);
if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED) {
gboolean push_eos = TRUE;
if (ret == GST_FLOW_UNEXPECTED) {
/* perform EOS logic */
@ -5190,15 +5195,21 @@ pause:
gst_element_post_message (GST_ELEMENT (demux),
gst_message_new_segment_done (GST_OBJECT (demux), GST_FORMAT_TIME,
stop));
} else {
/* normal playback, send EOS to all linked pads */
GST_LOG_OBJECT (demux, "Sending EOS, at end of stream");
gst_matroska_demux_send_event (demux, gst_event_new_eos ());
push_eos = FALSE;
}
} else {
/* for fatal errors we post an error message */
GST_ELEMENT_ERROR (demux, STREAM, FAILED, (NULL),
("stream stopped, reason %s", reason));
gst_matroska_demux_send_event (demux, gst_event_new_eos ());
}
if (push_eos) {
/* send EOS, and prevent hanging if no streams yet */
GST_LOG_OBJECT (demux, "Sending EOS, at end of stream");
if (!gst_matroska_demux_send_event (demux, gst_event_new_eos ()) &&
(ret == GST_FLOW_UNEXPECTED)) {
GST_ELEMENT_ERROR (demux, STREAM, DEMUX,
(NULL), ("got eos but no streams (yet)"));
}
}
}
return;