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videobalance: Reduce number of allocations per instance

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This commit is contained in:
Sebastian Dröge 2010-04-18 22:50:20 +02:00
parent 3ef25c28cd
commit 0515f88f7c
2 changed files with 10 additions and 25 deletions
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31
gst/videofilter/gstvideobalance.c
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@ -536,26 +536,8 @@ gst_video_balance_finalize (GObject * object)
{
GList *channels = NULL;
GstVideoBalance *balance = GST_VIDEO_BALANCE (object);
gint i;
if (balance->tableu) {
for (i = 0; i < 256; i++)
g_free (balance->tableu[i]);
g_free (balance->tableu);
balance->tableu = NULL;
}
if (balance->tablev) {
for (i = 0; i < 256; i++)
g_free (balance->tablev[i]);
g_free (balance->tablev);
balance->tablev = NULL;
}
if (balance->tabley) {
g_free (balance->tabley);
balance->tabley = NULL;
}
g_free (balance->tableu[0]);
channels = balance->channels;
while (channels) {
@ -623,12 +605,13 @@ gst_video_balance_init (GstVideoBalance * videobalance,
videobalance->hue = DEFAULT_PROP_HUE;
videobalance->saturation = DEFAULT_PROP_SATURATION;
videobalance->tabley = g_new (guint8, 256);
videobalance->tableu = g_new (guint8 *, 256);
videobalance->tablev = g_new (guint8 *, 256);
videobalance->tableu[0] = g_new (guint8, 256 * 256 * 2);
for (i = 0; i < 256; i++) {
videobalance->tableu[i] = g_new (guint8, 256);
videobalance->tablev[i] = g_new (guint8, 256);
videobalance->tableu[i] =
videobalance->tableu[0] + i * 256 * sizeof (guint8);
videobalance->tablev[i] =
videobalance->tableu[0] + 256 * 256 * sizeof (guint8) +
i * 256 * sizeof (guint8);
}
gst_video_balance_update_properties (videobalance);

4
gst/videofilter/gstvideobalance.h
View file

@ -67,7 +67,9 @@ struct _GstVideoBalance {
gint size;
/* tables */
guint8 *tabley, **tableu, **tablev;
guint8 tabley[256];
guint8 *tableu[256];
guint8 *tablev[256];
void (*process) (GstVideoBalance *balance, guint8 *data);
};