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d3d11ipcsrc: Stop asynchronously in case of io-mode=import

Browse source 
In case of import mode, d3d11ipcsrc does not know when outputted
memories will be released.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4774>
This commit is contained in:
Seungha Yang 2023-06-05 23:44:12 +09:00 committed by GStreamer Marge Bot
parent ef1853aa8d
commit 4d6a2dea89
3 changed files with 72 additions and 8 deletions
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67
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11ipcclient.cpp
View file

@ -37,6 +37,21 @@ using namespace Microsoft::WRL;
GST_DEBUG_CATEGORY_STATIC (gst_d3d11_ipc_client_debug);
#define GST_CAT_DEFAULT gst_d3d11_ipc_client_debug
static GThreadPool *gc_thread_pool = nullptr;
/* *INDENT-OFF* */
std::mutex gc_pool_lock;
/* *INDENT-ON* */
void
gst_d3d11_ipc_client_deinit (void)
{
std::lock_guard < std::mutex > lk (gc_pool_lock);
if (gc_thread_pool) {
g_thread_pool_free (gc_thread_pool, FALSE, TRUE);
gc_thread_pool = nullptr;
}
}
GType
gst_d3d11_ipc_io_mode_get_type (void)
{
@ -998,6 +1013,37 @@ gst_d3d11_ipc_client_get_caps (GstD3D11IpcClient * client)
return caps;
}
static void
gst_d3d11_ipc_client_stop_async (GstD3D11IpcClient * client, gpointer user_data)
{
GstD3D11IpcClientPrivate *priv = client->priv;
GST_DEBUG_OBJECT (client, "Stopping");
std::unique_lock < std::mutex > lk (priv->lock);
while (!priv->aborted)
priv->cond.wait (lk);
lk.unlock ();
SetEvent (priv->cancellable);
g_clear_pointer (&priv->loop_thread, g_thread_join);
GST_DEBUG_OBJECT (client, "Stopped");
gst_object_unref (client);
}
static void
gst_d3d11_ipc_client_push_stop_async (GstD3D11IpcClient * client)
{
std::lock_guard < std::mutex > lk (gc_pool_lock);
if (!gc_thread_pool) {
gc_thread_pool = g_thread_pool_new ((GFunc) gst_d3d11_ipc_client_stop_async,
nullptr, -1, FALSE, nullptr);
}
g_thread_pool_push (gc_thread_pool, gst_object_ref (client), nullptr);
}
void
gst_d3d11_ipc_client_stop (GstD3D11IpcClient * client)
{
@ -1011,18 +1057,23 @@ gst_d3d11_ipc_client_stop (GstD3D11IpcClient * client)
priv->shutdown = true;
SetEvent (priv->wakeup_event);
std::unique_lock < std::mutex > lk (priv->lock);
while (!priv->aborted)
priv->cond.wait (lk);
lk.unlock ();
if (priv->io_mode == GST_D3D11_IPC_IO_COPY) {
std::unique_lock < std::mutex > lk (priv->lock);
while (!priv->aborted)
priv->cond.wait (lk);
lk.unlock ();
GST_DEBUG_OBJECT (client, "Terminating");
GST_DEBUG_OBJECT (client, "Terminating");
SetEvent (priv->cancellable);
SetEvent (priv->cancellable);
g_clear_pointer (&priv->loop_thread, g_thread_join);
g_clear_pointer (&priv->loop_thread, g_thread_join);
GST_DEBUG_OBJECT (client, "Stopped");
GST_DEBUG_OBJECT (client, "Stopped");
} else {
/* We don't know when imported memory gets released */
gst_d3d11_ipc_client_push_stop_async (client);
}
}
void

2
subprojects/gst-plugins-bad/sys/d3d11/gstd3d11ipcclient.h
View file

@ -38,6 +38,8 @@ GType gst_d3d11_ipc_io_mode_get_type (void);
G_DECLARE_FINAL_TYPE (GstD3D11IpcClient, gst_d3d11_ipc_client,
GST, D3D11_IPC_CLIENT, GstObject);
void gst_d3d11_ipc_client_deinit (void);
GstD3D11IpcClient * gst_d3d11_ipc_client_new (const std::string & address,
GstD3D11Device * device,
GstD3D11IpcIOMode io_mode,

11
subprojects/gst-plugins-bad/sys/d3d11/plugin.cpp
View file

@ -78,6 +78,7 @@
#include "gstd3d11overlay.h"
#include "gstd3d11ipcsink.h"
#include "gstd3d11ipcsrc.h"
#include "gstd3d11ipcclient.h"
#if !GST_D3D11_WINAPI_ONLY_APP
#include "gstd3d11screencapturesrc.h"
@ -113,6 +114,12 @@ GST_DEBUG_CATEGORY (gst_d3d11_screen_capture_device_debug);
#define GST_CAT_DEFAULT gst_d3d11_debug
static void
plugin_deinit (gpointer data)
{
gst_d3d11_ipc_client_deinit ();
}
static gboolean
plugin_init (GstPlugin * plugin)
{
@ -261,6 +268,10 @@ plugin_init (GstPlugin * plugin)
}
#endif
g_object_set_data_full (G_OBJECT (plugin),
"plugin-d3d11-shutdown", (gpointer) "shutdown-data",
(GDestroyNotify) plugin_deinit);
return TRUE;
}