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msdkvpp: hold GstBuffer ref count for locked surfaces

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1278>
This commit is contained in:
Xu Guangxin 2020-05-19 15:14:34 +08:00 committed by Haihao Xiang
parent 12532cc8bb
commit 275518f661
2 changed files with 46 additions and 3 deletions
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47
sys/msdk/gstmsdkvpp.c
View file

@ -176,13 +176,52 @@ typedef struct
} MsdkSurface;
static void
free_msdk_surface (MsdkSurface * surface)
free_msdk_surface (gpointer p)
{
MsdkSurface *surface = (MsdkSurface *) p;
if (surface->buf)
gst_buffer_unref (surface->buf);
g_slice_free (MsdkSurface, surface);
}
static void
release_msdk_surface (GstMsdkVPP * thiz, MsdkSurface * surface)
{
if (surface->surface) {
if (surface->surface->Data.Locked) {
thiz->locked_msdk_surfaces =
g_list_append (thiz->locked_msdk_surfaces, surface);
} else {
free_msdk_surface (surface);
}
}
}
static void
free_unlocked_msdk_surfaces (GstMsdkVPP * thiz)
{
GList *l;
MsdkSurface *surface;
for (l = thiz->locked_msdk_surfaces; l;) {
GList *next = l->next;
surface = l->data;
if (surface->surface->Data.Locked == 0) {
free_msdk_surface (surface);
thiz->locked_msdk_surfaces =
g_list_delete_link (thiz->locked_msdk_surfaces, l);
}
l = next;
}
}
static void
free_all_msdk_surfaces (GstMsdkVPP * thiz)
{
g_list_free_full (thiz->locked_msdk_surfaces, free_msdk_surface);
thiz->locked_msdk_surfaces = NULL;
}
static void
gst_msdkvpp_add_extra_param (GstMsdkVPP * thiz, mfxExtBuffer * param)
{
@ -755,6 +794,7 @@ gst_msdkvpp_transform (GstBaseTransform * trans, GstBuffer * inbuf,
MsdkSurface *out_surface = NULL;
timestamp = GST_BUFFER_TIMESTAMP (inbuf);
free_unlocked_msdk_surfaces (thiz);
in_surface = get_msdk_surface_from_input_buffer (thiz, inbuf);
if (!in_surface)
@ -855,8 +895,8 @@ error_push_buffer:
gst_flow_get_name (ret));
transform_end:
free_msdk_surface (in_surface);
free_msdk_surface (out_surface);
release_msdk_surface (thiz, in_surface);
release_msdk_surface (thiz, out_surface);
return ret;
}
@ -880,6 +920,7 @@ gst_msdkvpp_close (GstMsdkVPP * thiz)
GST_WARNING_OBJECT (thiz, "VPP close failed (%s)",
msdk_status_to_string (status));
}
free_all_msdk_surfaces (thiz);
gst_clear_object (&thiz->context);

2
sys/msdk/gstmsdkvpp.h
View file

@ -143,6 +143,8 @@ struct _GstMsdkVPP
/* Extended buffers */
mfxExtBuffer *extra_params[MAX_EXTRA_PARAMS];
guint num_extra_params;
GList* locked_msdk_surfaces;
};
struct _GstMsdkVPPClass