d3dvideosink: use class lock when allocating pool buffer

This commit is contained in:
Aaron Boxer 2019-12-06 23:23:45 -06:00
parent 52254ad31c
commit fb6c2e8533

View file

@ -90,6 +90,11 @@ static gint WM_D3DVIDEO_NOTIFY_DEVICE_LOST = 0;
#define CASE_HR_DBG_END(sink, gst_err_msg) \
CASE_HR_DBG_ERR_END(sink, gst_err_msg, GST_LEVEL_DEBUG)
#define CHECK_REF_COUNT(klass, sink, goto_label) \
if(!klass->d3d.refs) { \
GST_ERROR_OBJECT(sink, "Direct3D object ref count = 0"); \
goto goto_label; \
}
#define CHECK_D3D_DEVICE(klass, sink, goto_label) \
if(!klass->d3d.d3d || !klass->d3d.device.d3d_device) { \
GST_ERROR_OBJECT(sink, "Direct3D device or object does not exist"); \
@ -693,10 +698,14 @@ gst_d3dsurface_buffer_pool_alloc_buffer (GstBufferPool * bpool,
d3dformat =
gst_video_format_to_d3d_format (GST_VIDEO_INFO_FORMAT (&pool->info));
LOCK_CLASS (sink, klass);
CHECK_REF_COUNT (klass, sink, error);
CHECK_D3D_DEVICE (klass, sink, error);
hr = IDirect3DDevice9_CreateOffscreenPlainSurface (klass->d3d.
device.d3d_device, GST_VIDEO_INFO_WIDTH (&pool->info),
GST_VIDEO_INFO_HEIGHT (&pool->info), d3dformat, D3DPOOL_DEFAULT, &surface,
NULL);
UNLOCK_CLASS (sink, klass);
if (hr != D3D_OK) {
GST_ERROR_OBJECT (sink, "Failed to create D3D surface");
goto fallback;
@ -747,6 +756,9 @@ fallback:
(gst_d3dsurface_buffer_pool_parent_class)->alloc_buffer (bpool, buffer,
params);
}
error:
UNLOCK_CLASS (sink, klass);
return GST_FLOW_ERROR;
}
static void