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Add unlink function to properly handle unreffing bufferpools.

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Original commit message from CVS:
Add unlink function to properly handle unreffing bufferpools.
This commit is contained in:
David Schleef 2003-09-11 19:25:40 +00:00
parent a7307dbb82
commit 98c89f610e
2 changed files with 29 additions and 24 deletions
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2
gst/videotestsrc/Makefile.am
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@ -5,7 +5,7 @@ libgstvideotestsrc_la_SOURCES = \
gstvideotestsrc.c \ gstvideotestsrc.c \
videotestsrc.c videotestsrc.c
libgstvideotestsrc_la_CFLAGS = -O2 $(FOMIT_FRAME_POINTER) $(GST_OPT_CFLAGS) $(GST_FUNROLL_CFLAGS) $(GST_CFLAGS) libgstvideotestsrc_la_CFLAGS = $(GST_CFLAGS)
libgstvideotestsrc_la_LIBADD = libgstvideotestsrc_la_LIBADD =
libgstvideotestsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) libgstvideotestsrc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)

51
gst/videotestsrc/gstvideotestsrc.c
View file

@ -73,8 +73,6 @@ static void gst_videotestsrc_get_property (GObject * object, guint prop_id, GVal
static GstBuffer *gst_videotestsrc_get (GstPad * pad); static GstBuffer *gst_videotestsrc_get (GstPad * pad);
static void gst_videotestsrc_reset (GstVideotestsrc *videotestsrc);
static GstElementClass *parent_class = NULL; static GstElementClass *parent_class = NULL;
static GstCaps * gst_videotestsrc_get_capslist (void); static GstCaps * gst_videotestsrc_get_capslist (void);
@ -182,20 +180,16 @@ gst_videotestsrc_set_clock (GstElement *element, GstClock *clock)
v = GST_VIDEOTESTSRC (element); v = GST_VIDEOTESTSRC (element);
#if GST_VERSION_MINOR > 6
gst_object_replace ((GstObject **)&v->clock, (GstObject *)clock); gst_object_replace ((GstObject **)&v->clock, (GstObject *)clock);
#else
gst_object_swap ((GstObject **)&v->clock, (GstObject *)clock);
#endif
} }
static GstPadLinkReturn static GstPadLinkReturn
gst_videotestsrc_srcconnect (GstPad * pad, GstCaps * caps) gst_videotestsrc_src_link (GstPad * pad, GstCaps * caps)
{ {
GstVideotestsrc *videotestsrc; GstVideotestsrc *videotestsrc;
GstCaps *caps1; GstCaps *caps1;
GST_DEBUG ("gst_videotestsrc_srcconnect"); GST_DEBUG ("gst_videotestsrc_src_link");
videotestsrc = GST_VIDEOTESTSRC (gst_pad_get_parent (pad)); videotestsrc = GST_VIDEOTESTSRC (gst_pad_get_parent (pad));
for ( ; caps != NULL; caps = caps->next) { for ( ; caps != NULL; caps = caps->next) {
@ -253,26 +247,44 @@ gst_videotestsrc_srcconnect (GstPad * pad, GstCaps * caps)
GST_DEBUG ("size %d x %d", videotestsrc->width, videotestsrc->height); GST_DEBUG ("size %d x %d", videotestsrc->width, videotestsrc->height);
videotestsrc->pool = gst_pad_get_bufferpool (videotestsrc->srcpad);
return GST_PAD_LINK_DONE; return GST_PAD_LINK_DONE;
} }
static void
gst_videotestsrc_src_unlink (GstPad * pad)
{
GstVideotestsrc *videotestsrc;
videotestsrc = GST_VIDEOTESTSRC (gst_pad_get_parent (pad));
if (videotestsrc->pool) {
gst_buffer_pool_unref (videotestsrc->pool);
}
}
static GstElementStateReturn static GstElementStateReturn
gst_videotestsrc_change_state (GstElement * element) gst_videotestsrc_change_state (GstElement * element)
{ {
GstVideotestsrc *v; GstVideotestsrc *videotestsrc;
v = GST_VIDEOTESTSRC (element); videotestsrc = GST_VIDEOTESTSRC (element);
switch (GST_STATE_TRANSITION (element)) { switch (GST_STATE_TRANSITION (element)) {
case GST_STATE_NULL_TO_READY:
break;
case GST_STATE_READY_TO_PAUSED:
break;
case GST_STATE_PAUSED_TO_PLAYING: case GST_STATE_PAUSED_TO_PLAYING:
v->pool = gst_pad_get_bufferpool (v->srcpad);
break; break;
case GST_STATE_PLAYING_TO_PAUSED: case GST_STATE_PLAYING_TO_PAUSED:
gst_buffer_pool_unref(v->pool); break;
v->pool = NULL; case GST_STATE_PAUSED_TO_READY:
videotestsrc->timestamp_offset = 0;
videotestsrc->n_frames = 0;
break; break;
case GST_STATE_READY_TO_NULL: case GST_STATE_READY_TO_NULL:
gst_videotestsrc_reset (v);
break; break;
} }
@ -380,11 +392,11 @@ gst_videotestsrc_init (GstVideotestsrc * videotestsrc)
gst_pad_set_getcaps_function (videotestsrc->srcpad, gst_videotestsrc_getcaps); gst_pad_set_getcaps_function (videotestsrc->srcpad, gst_videotestsrc_getcaps);
gst_element_add_pad (GST_ELEMENT (videotestsrc), videotestsrc->srcpad); gst_element_add_pad (GST_ELEMENT (videotestsrc), videotestsrc->srcpad);
gst_pad_set_get_function (videotestsrc->srcpad, gst_videotestsrc_get); gst_pad_set_get_function (videotestsrc->srcpad, gst_videotestsrc_get);
gst_pad_set_link_function (videotestsrc->srcpad, gst_videotestsrc_srcconnect); gst_pad_set_link_function (videotestsrc->srcpad, gst_videotestsrc_src_link);
gst_pad_set_unlink_function (videotestsrc->srcpad, gst_videotestsrc_src_unlink);
videotestsrc->pool = NULL; videotestsrc->pool = NULL;
gst_videotestsrc_set_pattern(videotestsrc, GST_VIDEOTESTSRC_SMPTE); gst_videotestsrc_set_pattern(videotestsrc, GST_VIDEOTESTSRC_SMPTE);
gst_videotestsrc_reset (videotestsrc);
videotestsrc->sync = TRUE; videotestsrc->sync = TRUE;
videotestsrc->default_width = 320; videotestsrc->default_width = 320;
@ -392,13 +404,6 @@ gst_videotestsrc_init (GstVideotestsrc * videotestsrc)
videotestsrc->default_rate = 30.; videotestsrc->default_rate = 30.;
} }
static void
gst_videotestsrc_reset (GstVideotestsrc *videotestsrc)
{
videotestsrc->timestamp_offset = 0;
videotestsrc->n_frames = 0;
}
static GstBuffer * static GstBuffer *
gst_videotestsrc_get (GstPad * pad) gst_videotestsrc_get (GstPad * pad)