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va: vpp: Make the global lock only to DMA buffer's import.

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The normal gst_va_buffer_get_surface does not need a global lock.
Too big lock may make the performance lower.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2009>
This commit is contained in:
He Junyan 2021-02-08 00:07:26 +08:00
parent 03847b65ca
commit 188e01ca44
1 changed files with 9 additions and 6 deletions
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15
sys/va/gstvavpp.c
View file

@ -879,7 +879,7 @@ _get_plane_data_size (GstVideoInfo * info, guint plane)
}
static gboolean
_try_import_dmabuf (GstVaVpp * self, GstBuffer * inbuf)
_try_import_dmabuf_unlocked (GstVaVpp * self, GstBuffer * inbuf)
{
GstVideoMeta *meta;
GstVideoInfo in_info = self->in_info;
@ -982,15 +982,20 @@ _get_sinkpad_pool (GstVaVpp * self)
}
static gboolean
_try_import_buffer_unlocked (GstVaVpp * self, GstBuffer * inbuf)
_try_import_buffer (GstVaVpp * self, GstBuffer * inbuf)
{
VASurfaceID surface;
gboolean ret;
surface = gst_va_buffer_get_surface (inbuf);
if (surface != VA_INVALID_ID)
return TRUE;
return _try_import_dmabuf (self, inbuf);
g_rec_mutex_lock (&GST_VA_SHARED_LOCK);
ret = _try_import_dmabuf_unlocked (self, inbuf);
g_rec_mutex_unlock (&GST_VA_SHARED_LOCK);
return ret;
}
static GstFlowReturn
@ -1003,9 +1008,7 @@ gst_va_vpp_import_input_buffer (GstVaVpp * self, GstBuffer * inbuf,
GstVideoFrame in_frame, out_frame;
gboolean imported, copied;
g_rec_mutex_lock (&GST_VA_SHARED_LOCK);
imported = _try_import_buffer_unlocked (self, inbuf);
g_rec_mutex_unlock (&GST_VA_SHARED_LOCK);
imported = _try_import_buffer (self, inbuf);
if (imported) {
*buf = gst_buffer_ref (inbuf);
return GST_FLOW_OK;