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Use bufferpool, if available

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Original commit message from CVS:
Use bufferpool, if available
This commit is contained in:
David Schleef 2002-07-30 07:38:01 +00:00
parent eea061c98b
commit 2af7be18a3
2 changed files with 36 additions and 3 deletions
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37
gst/videotestsrc/gstvideotestsrc.c
View file

@ -87,6 +87,7 @@ gst_videotestsrc_method_get_type (void)
static void gst_videotestsrc_class_init (GstVideotestsrcClass *klass);
static void gst_videotestsrc_init (GstVideotestsrc *videotestsrc);
static GstElementStateReturn gst_videotestsrc_change_state (GstElement *element);
static void gst_videotestsrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec);
static void gst_videotestsrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec);
@ -147,6 +148,7 @@ gst_videotestsrc_class_init (GstVideotestsrcClass *klass)
gobject_class->set_property = gst_videotestsrc_set_property;
gobject_class->get_property = gst_videotestsrc_get_property;
gstelement_class->change_state = gst_videotestsrc_change_state;
}
static GstPadConnectReturn
@ -195,6 +197,27 @@ gst_videotestsrc_srcconnect (GstPad *pad, GstCaps *caps)
return GST_PAD_CONNECT_OK;
}
static GstElementStateReturn
gst_videotestsrc_change_state (GstElement *element)
{
GstVideotestsrc *v;
v = GST_VIDEOTESTSRC(element);
switch(GST_STATE_TRANSITION(element)){
case GST_STATE_PAUSED_TO_PLAYING:
v->pool = gst_pad_get_bufferpool(v->srcpad);
break;
case GST_STATE_PLAYING_TO_PAUSED:
v->pool = NULL;
break;
}
parent_class->change_state(element);
return GST_STATE_SUCCESS;
}
static void
gst_videotestsrc_init (GstVideotestsrc *videotestsrc)
{
@ -224,6 +247,8 @@ gst_videotestsrc_init (GstVideotestsrc *videotestsrc)
videotestsrc->timestamp = 0;
videotestsrc->interval = GST_SECOND/30;
videotestsrc->pool = NULL;
}
@ -252,9 +277,15 @@ gst_videotestsrc_get (GstPad *pad)
GST_DEBUG(0,"size=%ld %dx%d",newsize,
videotestsrc->width, videotestsrc->height);
buf = gst_buffer_new();
GST_BUFFER_SIZE(buf) = newsize;
GST_BUFFER_DATA(buf) = g_malloc (newsize);
buf = NULL;
if(videotestsrc->pool){
buf = gst_buffer_new_from_pool(videotestsrc->pool, 0, 0);
}
if(!buf){
buf = gst_buffer_new();
GST_BUFFER_SIZE(buf) = newsize;
GST_BUFFER_DATA(buf) = g_malloc (newsize);
}
g_return_val_if_fail(GST_BUFFER_DATA(buf) != NULL, NULL);
videotestsrc->timestamp += videotestsrc->interval;

2
gst/videotestsrc/gstvideotestsrc.h
View file

@ -69,6 +69,8 @@ struct _GstVideotestsrc {
gint64 interval;
gint bpp;
GstBufferPool *pool;
void (*make_image)(GstVideotestsrc *v, unsigned char *dest, int w, int h);
};