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gst/playback/gstdecodebin.c: Fix a caps leak when linking (#347304)
Original commit message from CVS: * gst/playback/gstdecodebin.c: (find_compatibles): Fix a caps leak when linking (#347304) * sys/ximage/ximagesink.c: (gst_ximage_buffer_finalize), (gst_ximagesink_ximage_destroy), (gst_ximagesink_xcontext_clear), (gst_ximagesink_change_state): * sys/xvimage/xvimagesink.c: (gst_xvimage_buffer_destroy), (gst_xvimage_buffer_finalize), (gst_xvimagesink_check_xshm_calls), (gst_xvimagesink_xvimage_new), (gst_xvimagesink_xvimage_put), (gst_xvimagesink_xcontext_clear), (gst_xvimagesink_change_state): Don't leak shared memory resources. Use the object lock to protect against the xcontext disappearing while returning a buffer from the pipeline. (#347304)
This commit is contained in:
Jan Schmidt
parent
31ce9d42b0
commit
435fd24556
5 changed files with 153 additions and 44 deletions
16
ChangeLog
16
ChangeLog
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@ -1,3 +1,19 @@
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2006-07-13 Jan Schmidt <thaytan@mad.scientist.com>
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* gst/playback/gstdecodebin.c: (find_compatibles):
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Fix a caps leak when linking (#347304)
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* sys/ximage/ximagesink.c: (gst_ximage_buffer_finalize),
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(gst_ximagesink_ximage_destroy), (gst_ximagesink_xcontext_clear),
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(gst_ximagesink_change_state):
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* sys/xvimage/xvimagesink.c: (gst_xvimage_buffer_destroy),
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(gst_xvimage_buffer_finalize), (gst_xvimagesink_check_xshm_calls),
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(gst_xvimagesink_xvimage_new), (gst_xvimagesink_xvimage_put),
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(gst_xvimagesink_xcontext_clear), (gst_xvimagesink_change_state):
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Don't leak shared memory resources. Use the object lock to protect
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against the xcontext disappearing while returning a buffer from the
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pipeline. (#347304)
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2006-07-12 Edward Hervey <edward@fluendo.com>
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* ext/vorbis/vorbisdec.c: (vorbis_dec_finalize),
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2
common
2
common
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@ -1 +1 @@
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Subproject commit dd173e2720ac21e4a47c97705d7ff32271a0ee66
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Subproject commit 53ecdc0c97a2992e5abeddd41d514bc142401e5d
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@ -455,10 +455,14 @@ find_compatibles (GstDecodeBin * decode_bin, const GstCaps * caps)
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/* we only care about the sink templates */
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if (templ->direction == GST_PAD_SINK) {
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GstCaps *intersect;
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GstCaps *tmpl_caps;
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/* try to intersect the caps with the caps of the template */
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intersect = gst_caps_intersect (caps,
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gst_static_caps_get (&templ->static_caps));
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tmpl_caps = gst_static_caps_get (&templ->static_caps);
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intersect = gst_caps_intersect (caps, tmpl_caps);
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gst_caps_unref (tmpl_caps);
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/* check if the intersection is empty */
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if (!gst_caps_is_empty (intersect)) {
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/* non empty intersection, we can use this element */
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@ -196,6 +196,7 @@ gst_ximage_buffer_finalize (GstXImageBuffer * ximage)
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{
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GstXImageSink *ximagesink = NULL;
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gboolean recycled = FALSE;
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gboolean running;
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g_return_if_fail (ximage != NULL);
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@ -205,9 +206,18 @@ gst_ximage_buffer_finalize (GstXImageBuffer * ximage)
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goto beach;
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}
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/* If our geometry changed we can't reuse that image. */
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if ((ximage->width != GST_VIDEO_SINK_WIDTH (ximagesink)) ||
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GST_OBJECT_LOCK (ximagesink);
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running = ximagesink->running;
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GST_OBJECT_UNLOCK (ximagesink);
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if (running == FALSE) {
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/* If the sink is shutting down, need to clear the image */
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GST_DEBUG_OBJECT (ximagesink,
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"destroy image %p because the sink is shutting down", ximage);
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gst_ximagesink_ximage_destroy (ximagesink, ximage);
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} else if ((ximage->width != GST_VIDEO_SINK_WIDTH (ximagesink)) ||
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(ximage->height != GST_VIDEO_SINK_HEIGHT (ximagesink))) {
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/* If our geometry changed we can't reuse that image. */
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GST_DEBUG_OBJECT (ximagesink,
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"destroy image %p as its size changed %dx%d vs current %dx%d",
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ximage, ximage->width, ximage->height,
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@ -523,8 +533,17 @@ gst_ximagesink_ximage_destroy (GstXImageSink * ximagesink,
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ximagesink->cur_image = NULL;
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}
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/* Hold the object lock to ensure the XContext doesn't disappear */
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GST_OBJECT_LOCK (ximagesink);
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/* We might have some buffers destroyed after changing state to NULL */
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if (!ximagesink->xcontext) {
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GST_DEBUG_OBJECT (ximagesink, "Destroying XImage after XContext");
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#ifdef HAVE_XSHM
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if (ximage->SHMInfo.shmaddr != ((void *) -1)) {
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shmdt (ximage->SHMInfo.shmaddr);
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}
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#endif
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goto beach;
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}
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@ -553,6 +572,8 @@ gst_ximagesink_ximage_destroy (GstXImageSink * ximagesink,
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g_mutex_unlock (ximagesink->x_lock);
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beach:
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GST_OBJECT_UNLOCK (ximagesink);
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if (ximage->ximagesink) {
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/* Release the ref to our sink */
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ximage->ximagesink = NULL;
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@ -1144,8 +1165,23 @@ gst_ximagesink_xcontext_get (GstXImageSink * ximagesink)
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static void
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gst_ximagesink_xcontext_clear (GstXImageSink * ximagesink)
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{
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GstXContext *xcontext;
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g_return_if_fail (GST_IS_XIMAGESINK (ximagesink));
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g_return_if_fail (ximagesink->xcontext != NULL);
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GST_OBJECT_LOCK (ximagesink);
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if (ximagesink->xcontext == NULL) {
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GST_OBJECT_UNLOCK (ximagesink);
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return;
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}
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/* Take the xcontext reference and NULL it while we
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* clean it up, so that any buffer-alloced buffers
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* arriving after this will be freed correctly */
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xcontext = ximagesink->xcontext;
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ximagesink->xcontext = NULL;
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GST_OBJECT_UNLOCK (ximagesink);
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/* Wait for our event thread */
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if (ximagesink->event_thread) {
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@ -1153,19 +1189,18 @@ gst_ximagesink_xcontext_clear (GstXImageSink * ximagesink)
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ximagesink->event_thread = NULL;
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}
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gst_caps_unref (ximagesink->xcontext->caps);
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g_free (ximagesink->xcontext->par);
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gst_caps_unref (xcontext->caps);
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g_free (xcontext->par);
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g_free (ximagesink->par);
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ximagesink->par = NULL;
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g_mutex_lock (ximagesink->x_lock);
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XCloseDisplay (ximagesink->xcontext->disp);
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XCloseDisplay (xcontext->disp);
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g_mutex_unlock (ximagesink->x_lock);
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g_free (ximagesink->xcontext);
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ximagesink->xcontext = NULL;
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}
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static void
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@ -1322,10 +1357,14 @@ gst_ximagesink_change_state (GstElement * element, GstStateChange transition)
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switch (transition) {
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case GST_STATE_CHANGE_NULL_TO_READY:
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GST_OBJECT_LOCK (ximagesink);
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ximagesink->running = TRUE;
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/* Initializing the XContext */
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if (!ximagesink->xcontext)
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ximagesink->xcontext = gst_ximagesink_xcontext_get (ximagesink);
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GST_OBJECT_UNLOCK (ximagesink);
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if (!ximagesink->xcontext) {
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ret = GST_STATE_CHANGE_FAILURE;
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goto beach;
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@ -1361,7 +1400,10 @@ gst_ximagesink_change_state (GstElement * element, GstStateChange transition)
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GST_VIDEO_SINK_HEIGHT (ximagesink) = 0;
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break;
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case GST_STATE_CHANGE_READY_TO_NULL:
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GST_OBJECT_LOCK (ximagesink);
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ximagesink->running = FALSE;
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GST_OBJECT_UNLOCK (ximagesink);
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if (ximagesink->ximage) {
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gst_buffer_unref (ximagesink->ximage);
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ximagesink->ximage = NULL;
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@ -1370,18 +1412,15 @@ gst_ximagesink_change_state (GstElement * element, GstStateChange transition)
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gst_buffer_unref (ximagesink->cur_image);
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ximagesink->cur_image = NULL;
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}
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if (ximagesink->buffer_pool)
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gst_ximagesink_bufferpool_clear (ximagesink);
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gst_ximagesink_bufferpool_clear (ximagesink);
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if (ximagesink->xwindow) {
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gst_ximagesink_xwindow_destroy (ximagesink, ximagesink->xwindow);
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ximagesink->xwindow = NULL;
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}
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if (ximagesink->xcontext) {
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gst_ximagesink_xcontext_clear (ximagesink);
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ximagesink->xcontext = NULL;
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}
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gst_ximagesink_xcontext_clear (ximagesink);
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break;
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default:
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break;
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@ -215,6 +215,8 @@ gst_xvimage_buffer_destroy (GstXvImageBuffer * xvimage)
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{
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GstXvImageSink *xvimagesink;
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GST_DEBUG_OBJECT (xvimage, "Destroying buffer");
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xvimagesink = xvimage->xvimagesink;
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if (xvimagesink == NULL)
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goto no_sink;
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@ -226,7 +228,16 @@ gst_xvimage_buffer_destroy (GstXvImageBuffer * xvimage)
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xvimagesink->cur_image = NULL;
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/* We might have some buffers destroyed after changing state to NULL */
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if (xvimagesink->xcontext) {
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GST_OBJECT_LOCK (xvimagesink);
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if (xvimagesink->xcontext == NULL) {
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GST_DEBUG_OBJECT (xvimagesink, "Destroying XvImage after Xcontext");
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#ifdef HAVE_XSHM
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/* Need to free the shared memory segment even if the x context
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* was already cleaned up */
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if (xvimage->SHMInfo.shmaddr != ((void *) -1)) {
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shmdt (xvimage->SHMInfo.shmaddr);
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}
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#endif
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goto beach;
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}
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@ -235,8 +246,11 @@ gst_xvimage_buffer_destroy (GstXvImageBuffer * xvimage)
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#ifdef HAVE_XSHM
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if (xvimagesink->xcontext->use_xshm) {
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if (xvimage->SHMInfo.shmaddr != ((void *) -1)) {
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GST_DEBUG_OBJECT (xvimagesink, "XServer ShmDetaching from 0x%x id 0x%x\n",
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xvimage->SHMInfo.shmid, xvimage->SHMInfo.shmseg);
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XShmDetach (xvimagesink->xcontext->disp, &xvimage->SHMInfo);
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XSync (xvimagesink->xcontext->disp, FALSE);
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shmdt (xvimage->SHMInfo.shmaddr);
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}
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if (xvimage->xvimage)
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@ -257,6 +271,7 @@ gst_xvimage_buffer_destroy (GstXvImageBuffer * xvimage)
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g_mutex_unlock (xvimagesink->x_lock);
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beach:
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GST_OBJECT_UNLOCK (xvimagesink);
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xvimage->xvimagesink = NULL;
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gst_object_unref (xvimagesink);
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@ -273,13 +288,21 @@ static void
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gst_xvimage_buffer_finalize (GstXvImageBuffer * xvimage)
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{
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GstXvImageSink *xvimagesink;
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gboolean running;
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xvimagesink = xvimage->xvimagesink;
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if (xvimagesink == NULL)
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if (G_UNLIKELY (xvimagesink == NULL))
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goto no_sink;
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GST_OBJECT_LOCK (xvimagesink);
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running = xvimagesink->running;
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GST_OBJECT_UNLOCK (xvimagesink);
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/* If our geometry changed we can't reuse that image. */
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if ((xvimage->width != xvimagesink->video_width) ||
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if (running == FALSE) {
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GST_LOG_OBJECT (xvimage, "destroy image as sink is shutting down");
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gst_xvimage_buffer_destroy (xvimage);
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} else if ((xvimage->width != xvimagesink->video_width) ||
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(xvimage->height != xvimagesink->video_height)) {
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GST_LOG_OBJECT (xvimage,
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"destroy image as its size changed %dx%d vs current %dx%d",
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@ -440,6 +463,9 @@ gst_xvimagesink_check_xshm_calls (GstXContext * xcontext)
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/* Sync to ensure we see any errors we caused */
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XSync (xcontext->disp, FALSE);
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GST_DEBUG ("XServer ShmAttached to 0x%x, id 0x%x\n", SHMInfo.shmid,
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SHMInfo.shmseg);
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if (!error_caught) {
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did_attach = TRUE;
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/* store whether we succeeded in result */
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@ -454,6 +480,8 @@ beach:
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XSetErrorHandler (handler);
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if (did_attach) {
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GST_DEBUG ("XServer ShmDetaching from 0x%x id 0x%x\n",
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SHMInfo.shmid, SHMInfo.shmseg);
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XShmDetach (xcontext->disp, &SHMInfo);
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XSync (xcontext->disp, FALSE);
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}
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@ -476,6 +504,7 @@ gst_xvimagesink_xvimage_new (GstXvImageSink * xvimagesink, GstCaps * caps)
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g_return_val_if_fail (GST_IS_XVIMAGESINK (xvimagesink), NULL);
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xvimage = (GstXvImageBuffer *) gst_mini_object_new (GST_TYPE_XVIMAGE_BUFFER);
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GST_DEBUG_OBJECT (xvimage, "Creating new XvImageBuffer");
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structure = gst_caps_get_structure (caps, 0);
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@ -556,6 +585,8 @@ gst_xvimagesink_xvimage_new (GstXvImageSink * xvimagesink, GstCaps * caps)
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}
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XSync (xvimagesink->xcontext->disp, FALSE);
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GST_DEBUG_OBJECT (xvimagesink, "XServer ShmAttached to 0x%x, id 0x%x\n",
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xvimage->SHMInfo.shmid, xvimage->SHMInfo.shmseg);
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} else
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#endif /* HAVE_XSHM */
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{
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@ -691,9 +722,11 @@ gst_xvimagesink_xvimage_put (GstXvImageSink * xvimagesink,
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#ifdef HAVE_XSHM
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if (xvimagesink->xcontext->use_xshm) {
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GST_LOG_OBJECT (xvimagesink,
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"XvShmPutImage with image %dx%d and window %dx%d",
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"XvShmPutImage with image %dx%d and window %dx%d, from xvimage %"
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GST_PTR_FORMAT,
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xvimage->width, xvimage->height,
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xvimagesink->xwindow->width, xvimagesink->xwindow->height);
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xvimagesink->xwindow->width, xvimagesink->xwindow->height, xvimage);
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XvShmPutImage (xvimagesink->xcontext->disp,
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xvimagesink->xcontext->xv_port_id,
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xvimagesink->xwindow->win,
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@ -1533,9 +1566,21 @@ static void
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gst_xvimagesink_xcontext_clear (GstXvImageSink * xvimagesink)
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{
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GList *formats_list, *channels_list;
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GstXContext *xcontext;
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g_return_if_fail (GST_IS_XVIMAGESINK (xvimagesink));
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g_return_if_fail (xvimagesink->xcontext != NULL);
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GST_OBJECT_LOCK (xvimagesink);
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if (xvimagesink->xcontext == NULL) {
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GST_OBJECT_UNLOCK (xvimagesink);
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return;
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}
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/* Take the XContext from the sink and clean it up */
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xcontext = xvimagesink->xcontext;
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xvimagesink->xcontext = NULL;
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GST_OBJECT_UNLOCK (xvimagesink);
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/* Wait for our event thread */
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if (xvimagesink->event_thread) {
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@ -1543,7 +1588,7 @@ gst_xvimagesink_xcontext_clear (GstXvImageSink * xvimagesink)
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xvimagesink->event_thread = NULL;
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}
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formats_list = xvimagesink->xcontext->formats_list;
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formats_list = xcontext->formats_list;
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while (formats_list) {
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GstXvImageFormat *format = formats_list->data;
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@ -1553,10 +1598,10 @@ gst_xvimagesink_xcontext_clear (GstXvImageSink * xvimagesink)
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formats_list = g_list_next (formats_list);
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}
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if (xvimagesink->xcontext->formats_list)
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g_list_free (xvimagesink->xcontext->formats_list);
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if (xcontext->formats_list)
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g_list_free (xcontext->formats_list);
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channels_list = xvimagesink->xcontext->channels_list;
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channels_list = xcontext->channels_list;
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while (channels_list) {
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GstColorBalanceChannel *channel = channels_list->data;
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@ -1565,26 +1610,26 @@ gst_xvimagesink_xcontext_clear (GstXvImageSink * xvimagesink)
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channels_list = g_list_next (channels_list);
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}
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if (xvimagesink->xcontext->channels_list)
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g_list_free (xvimagesink->xcontext->channels_list);
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if (xcontext->channels_list)
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g_list_free (xcontext->channels_list);
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gst_caps_unref (xvimagesink->xcontext->caps);
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if (xvimagesink->xcontext->last_caps)
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gst_caps_replace (&xvimagesink->xcontext->last_caps, NULL);
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gst_caps_unref (xcontext->caps);
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if (xcontext->last_caps)
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gst_caps_replace (&xcontext->last_caps, NULL);
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g_free (xvimagesink->xcontext->par);
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g_free (xcontext->par);
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g_mutex_lock (xvimagesink->x_lock);
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|
||||
XvUngrabPort (xvimagesink->xcontext->disp,
|
||||
xvimagesink->xcontext->xv_port_id, 0);
|
||||
GST_DEBUG_OBJECT (xvimagesink, "Closing display and freeing X Context");
|
||||
|
||||
XCloseDisplay (xvimagesink->xcontext->disp);
|
||||
XvUngrabPort (xcontext->disp, xcontext->xv_port_id, 0);
|
||||
|
||||
XCloseDisplay (xcontext->disp);
|
||||
|
||||
g_mutex_unlock (xvimagesink->x_lock);
|
||||
|
||||
g_free (xvimagesink->xcontext);
|
||||
xvimagesink->xcontext = NULL;
|
||||
g_free (xcontext);
|
||||
}
|
||||
|
||||
static void
|
||||
|
|
@ -1812,11 +1857,17 @@ gst_xvimagesink_change_state (GstElement * element, GstStateChange transition)
|
|||
|
||||
switch (transition) {
|
||||
case GST_STATE_CHANGE_NULL_TO_READY:
|
||||
GST_OBJECT_LOCK (xvimagesink);
|
||||
xvimagesink->running = TRUE;
|
||||
/* Initializing the XContext */
|
||||
if (!xvimagesink->xcontext &&
|
||||
!(xvimagesink->xcontext = gst_xvimagesink_xcontext_get (xvimagesink)))
|
||||
!(xvimagesink->xcontext =
|
||||
gst_xvimagesink_xcontext_get (xvimagesink))) {
|
||||
GST_OBJECT_UNLOCK (xvimagesink);
|
||||
return GST_STATE_CHANGE_FAILURE;
|
||||
}
|
||||
GST_OBJECT_UNLOCK (xvimagesink);
|
||||
|
||||
/* update object's par with calculated one if not set yet */
|
||||
if (!xvimagesink->par) {
|
||||
xvimagesink->par = g_new0 (GValue, 1);
|
||||
|
|
@ -1853,7 +1904,9 @@ gst_xvimagesink_change_state (GstElement * element, GstStateChange transition)
|
|||
GST_VIDEO_SINK_HEIGHT (xvimagesink) = 0;
|
||||
break;
|
||||
case GST_STATE_CHANGE_READY_TO_NULL:
|
||||
GST_OBJECT_LOCK (xvimagesink);
|
||||
xvimagesink->running = FALSE;
|
||||
GST_OBJECT_UNLOCK (xvimagesink);
|
||||
if (xvimagesink->cur_image) {
|
||||
gst_buffer_unref (xvimagesink->cur_image);
|
||||
xvimagesink->cur_image = NULL;
|
||||
|
|
@ -1862,18 +1915,15 @@ gst_xvimagesink_change_state (GstElement * element, GstStateChange transition)
|
|||
gst_buffer_unref (xvimagesink->xvimage);
|
||||
xvimagesink->xvimage = NULL;
|
||||
}
|
||||
if (xvimagesink->image_pool)
|
||||
gst_xvimagesink_imagepool_clear (xvimagesink);
|
||||
|
||||
gst_xvimagesink_imagepool_clear (xvimagesink);
|
||||
|
||||
if (xvimagesink->xwindow) {
|
||||
gst_xvimagesink_xwindow_destroy (xvimagesink, xvimagesink->xwindow);
|
||||
xvimagesink->xwindow = NULL;
|
||||
}
|
||||
|
||||
if (xvimagesink->xcontext) {
|
||||
gst_xvimagesink_xcontext_clear (xvimagesink);
|
||||
xvimagesink->xcontext = NULL;
|
||||
}
|
||||
gst_xvimagesink_xcontext_clear (xvimagesink);
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
|
|
|||
Loading…
Reference in a new issue