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encodebin: Fix stream_group_free when creating it went bad

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Avoiding trying to use NULL pointers
This commit is contained in:
Thibault Saunier 2017-01-04 11:21:51 -03:00
parent 28f4e7db12
commit fe0e51914a
1 changed files with 21 additions and 17 deletions
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38
gst/encoding/gstencodebin.c
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@ -2032,23 +2032,24 @@ stream_group_free (GstEncodeBin * ebin, StreamGroup * sgroup)
if (sgroup->restriction_sid != 0)
g_signal_handler_disconnect (sgroup->profile, sgroup->restriction_sid);
if (ebin->muxer) {
/* outqueue - Muxer */
tmppad = gst_element_get_static_pad (sgroup->outqueue, "src");
pad = gst_pad_get_peer (tmppad);
if (sgroup->outqueue) {
if (ebin->muxer) {
/* outqueue - Muxer */
tmppad = gst_element_get_static_pad (sgroup->outqueue, "src");
pad = gst_pad_get_peer (tmppad);
if (pad) {
/* Remove muxer request sink pad */
gst_pad_unlink (tmppad, pad);
if (GST_PAD_TEMPLATE_PRESENCE (GST_PAD_PAD_TEMPLATE (pad)) ==
GST_PAD_REQUEST)
gst_element_release_request_pad (ebin->muxer, pad);
gst_object_unref (pad);
if (pad) {
/* Remove muxer request sink pad */
gst_pad_unlink (tmppad, pad);
if (GST_PAD_TEMPLATE_PRESENCE (GST_PAD_PAD_TEMPLATE (pad)) ==
GST_PAD_REQUEST)
gst_element_release_request_pad (ebin->muxer, pad);
gst_object_unref (pad);
}
gst_object_unref (tmppad);
}
gst_object_unref (tmppad);
}
if (sgroup->outqueue)
gst_element_set_state (sgroup->outqueue, GST_STATE_NULL);
}
if (sgroup->formatter) {
/* capsfilter - formatter - outqueue */
@ -2056,13 +2057,16 @@ stream_group_free (GstEncodeBin * ebin, StreamGroup * sgroup)
gst_element_set_state (sgroup->outfilter, GST_STATE_NULL);
gst_element_unlink (sgroup->formatter, sgroup->outqueue);
gst_element_unlink (sgroup->outfilter, sgroup->formatter);
} else {
} else if (sgroup->outfilter) {
/* Capsfilter - outqueue */
gst_element_set_state (sgroup->outfilter, GST_STATE_NULL);
gst_element_unlink (sgroup->outfilter, sgroup->outqueue);
}
gst_element_set_state (sgroup->outqueue, GST_STATE_NULL);
gst_bin_remove (GST_BIN (ebin), sgroup->outqueue);
if (sgroup->outqueue) {
gst_element_set_state (sgroup->outqueue, GST_STATE_NULL);
gst_bin_remove (GST_BIN (ebin), sgroup->outqueue);
}
/* streamcombiner - parser - capsfilter */
if (sgroup->parser) {