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goom: Initialize the goom struct only once we know width/height and recreate it if those change

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Fixes crash when the width and/or height is changing.

https://bugzilla.gnome.org/show_bug.cgi?id=762765
This commit is contained in:
Sebastian Dröge 2016-02-27 20:31:15 +02:00
parent d01e390c82
commit cc6e102643
1 changed files with 14 additions and 9 deletions
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23
gst/goom/gstgoom.c
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@ -50,9 +50,6 @@
GST_DEBUG_CATEGORY (goom_debug);
#define GST_CAT_DEFAULT goom_debug
#define DEFAULT_WIDTH 320
#define DEFAULT_HEIGHT 240
/* signals and args */
enum
{
@ -129,11 +126,9 @@ gst_goom_class_init (GstGoomClass * klass)
static void
gst_goom_init (GstGoom * goom)
{
goom->width = DEFAULT_WIDTH;
goom->height = DEFAULT_HEIGHT;
goom->width = -1;
goom->height = -1;
goom->channels = 0;
goom->plugin = goom_init (goom->width, goom->height);
}
static void
@ -152,8 +147,15 @@ gst_goom_setup (GstAudioVisualizer * base)
{
GstGoom *goom = GST_GOOM (base);
goom->width = GST_VIDEO_INFO_WIDTH (&base->vinfo);
goom->height = GST_VIDEO_INFO_HEIGHT (&base->vinfo);
if (!goom->plugin ||
goom->width != GST_VIDEO_INFO_WIDTH (&base->vinfo) ||
goom->height != GST_VIDEO_INFO_HEIGHT (&base->vinfo)) {
goom->width = GST_VIDEO_INFO_WIDTH (&base->vinfo);
goom->height = GST_VIDEO_INFO_HEIGHT (&base->vinfo);
if (goom->plugin)
goom_close (goom->plugin);
goom->plugin = goom_init (goom->width, goom->height);
}
return TRUE;
}
@ -168,6 +170,9 @@ gst_goom_render (GstAudioVisualizer * base, GstBuffer * audio,
gint16 *adata;
gint i;
if (!goom->plugin)
return FALSE;
/* get next GOOM_SAMPLES, we have at least this amount of samples */
gst_buffer_map (audio, &amap, GST_MAP_READ);
adata = (gint16 *) amap.data;