yair/gst-plugin-linescan
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kayasrc: fix to allow reopening of framegrabber with the same instance

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A framegrabber pointer wasn't cleared properly on stop(), so on start()
it would think the framegrabber was already open.
This commit is contained in:
Joshua M. Doe 2020-07-29 13:37:43 -04:00
parent f672711bda
commit 01a59a2aa0
1 changed files with 6 additions and 0 deletions
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6
sys/kaya/gstkayasrc.c
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@ -211,6 +211,8 @@ gst_kayasrc_class_init (GstKayaSrcClass * klass)
static void static void
gst_kayasrc_cleanup (GstKayaSrc * src) gst_kayasrc_cleanup (GstKayaSrc * src)
{ {
GST_LOG_OBJECT (src, "cleanup");
src->frame_size = 0; src->frame_size = 0;
src->frame_count = 0; src->frame_count = 0;
src->dropped_frames = 0; src->dropped_frames = 0;
@ -241,12 +243,16 @@ gst_kayasrc_cleanup (GstKayaSrc * src)
if (src->fg_data) { if (src->fg_data) {
g_mutex_lock (&src->fg_data->fg_mutex); g_mutex_lock (&src->fg_data->fg_mutex);
GST_DEBUG_OBJECT (src, "Framegrabber open with refcount=%d",
src->fg_data->ref_count);
src->fg_data->ref_count--; src->fg_data->ref_count--;
if (src->fg_data->ref_count == 0) { if (src->fg_data->ref_count == 0) {
GST_DEBUG_OBJECT (src, "Framegrabber ref dropped to 0, closing");
KYFG_Close (src->fg_data->fg_handle); KYFG_Close (src->fg_data->fg_handle);
src->fg_data->fg_handle = INVALID_FGHANDLE; src->fg_data->fg_handle = INVALID_FGHANDLE;
} }
g_mutex_unlock (&src->fg_data->fg_mutex); g_mutex_unlock (&src->fg_data->fg_mutex);
src->fg_data = NULL;
} }
} }