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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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d3d11videosink: Protect window with lock at every place
Access to the object should be thread safe to support runtime property update Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2708>
This commit is contained in:
Seungha Yang
GStreamer Marge Bot
parent
60e6be7068
commit
4e75ca0351
2 changed files with 77 additions and 60 deletions
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@ -128,11 +128,23 @@ struct _GstD3D11VideoSink
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/* For drawing on user texture */
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gboolean drawing;
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GstBuffer *current_buffer;
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GRecMutex draw_lock;
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GRecMutex lock;
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gchar *title;
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};
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#define GST_D3D11_VIDEO_SINK_GET_LOCK(d) (&(GST_D3D11_VIDEO_SINK_CAST(d)->lock))
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#define GST_D3D11_VIDEO_SINK_LOCK(d) G_STMT_START { \
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GST_TRACE_OBJECT (d, "Locking from thread %p", g_thread_self()); \
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g_rec_mutex_lock (GST_D3D11_VIDEO_SINK_GET_LOCK (d)); \
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GST_TRACE_OBJECT (d, "Locked from thread %p", g_thread_self()); \
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} G_STMT_END
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#define GST_D3D11_VIDEO_SINK_UNLOCK(d) G_STMT_START { \
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GST_TRACE_OBJECT (d, "Unlocking from thread %p", g_thread_self()); \
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g_rec_mutex_unlock (GST_D3D11_VIDEO_SINK_GET_LOCK (d)); \
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} G_STMT_END
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static void gst_d3d11_videosink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_d3d11_videosink_get_property (GObject * object, guint prop_id,
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@ -342,7 +354,7 @@ gst_d3d11_video_sink_init (GstD3D11VideoSink * self)
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self->fullscreen = DEFAULT_FULLSCREEN;
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self->draw_on_shared_texture = DEFAULT_DRAW_ON_SHARED_TEXTURE;
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g_rec_mutex_init (&self->draw_lock);
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g_rec_mutex_init (&self->lock);
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}
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static void
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@ -351,7 +363,7 @@ gst_d3d11_videosink_set_property (GObject * object, guint prop_id,
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (object);
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GST_OBJECT_LOCK (self);
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GST_D3D11_VIDEO_SINK_LOCK (self);
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switch (prop_id) {
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case PROP_ADAPTER:
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self->adapter = g_value_get_int (value);
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@ -390,7 +402,7 @@ gst_d3d11_videosink_set_property (GObject * object, guint prop_id,
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_OBJECT_UNLOCK (self);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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}
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static void
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@ -399,6 +411,7 @@ gst_d3d11_videosink_get_property (GObject * object, guint prop_id,
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (object);
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GST_D3D11_VIDEO_SINK_LOCK (self);
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switch (prop_id) {
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case PROP_ADAPTER:
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g_value_set_int (value, self->adapter);
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@ -426,6 +439,7 @@ gst_d3d11_videosink_get_property (GObject * object, guint prop_id,
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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}
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static void
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@ -433,7 +447,7 @@ gst_d3d11_video_sink_finalize (GObject * object)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (object);
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g_rec_mutex_clear (&self->draw_lock);
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g_rec_mutex_clear (&self->lock);
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g_free (self->title);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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@ -521,11 +535,22 @@ gst_d3d11_video_sink_update_window (GstD3D11VideoSink * self, GstCaps * caps)
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self->caps_updated = FALSE;
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if (!gst_d3d11_video_sink_prepare_window (self))
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goto no_window;
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (!gst_d3d11_video_sink_prepare_window (self)) {
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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if (!gst_video_info_from_caps (&self->info, caps))
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goto invalid_format;
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GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, (nullptr),
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("Failed to open window."));
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return FALSE;
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}
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if (!gst_video_info_from_caps (&self->info, caps)) {
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GST_DEBUG_OBJECT (self,
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"Could not locate image format from caps %" GST_PTR_FORMAT, caps);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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return FALSE;
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}
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video_width = GST_VIDEO_INFO_WIDTH (&self->info);
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video_height = GST_VIDEO_INFO_HEIGHT (&self->info);
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@ -536,11 +561,15 @@ gst_d3d11_video_sink_update_window (GstD3D11VideoSink * self, GstCaps * caps)
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* convert video width and height to a display width and height
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* using wd / hd = wv / hv * PARv / PARd */
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/* TODO: Get display PAR */
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if (!gst_video_calculate_display_ratio (&num, &den, video_width,
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video_height, video_par_n, video_par_d, display_par_n, display_par_d))
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goto no_disp_ratio;
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video_height, video_par_n, video_par_d, display_par_n,
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display_par_d)) {
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, (nullptr),
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("Error calculating the output display ratio of the video."));
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return FALSE;
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}
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GST_DEBUG_OBJECT (self,
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"video width/height: %dx%d, calculated display ratio: %d/%d format: %s",
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@ -577,25 +606,27 @@ gst_d3d11_video_sink_update_window (GstD3D11VideoSink * self, GstCaps * caps)
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self->video_width = video_width;
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self->video_height = video_height;
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if (GST_VIDEO_SINK_WIDTH (self) <= 0 || GST_VIDEO_SINK_HEIGHT (self) <= 0)
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goto no_display_size;
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if (GST_VIDEO_SINK_WIDTH (self) <= 0 || GST_VIDEO_SINK_HEIGHT (self) <= 0) {
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, (nullptr),
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("Error calculating the output display ratio of the video."));
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return FALSE;
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}
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GST_OBJECT_LOCK (self);
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if (self->pending_render_rect) {
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GstVideoRectangle rect = self->render_rect;
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self->pending_render_rect = FALSE;
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GST_OBJECT_UNLOCK (self);
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gst_d3d11_window_set_render_rectangle (self->window, &rect);
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} else {
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GST_OBJECT_UNLOCK (self);
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}
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if (!gst_d3d11_window_prepare (self->window, GST_VIDEO_SINK_WIDTH (self),
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GST_VIDEO_SINK_HEIGHT (self), caps, &error)) {
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GstMessage *error_msg;
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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GST_ERROR_OBJECT (self, "cannot create swapchain");
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error_msg = gst_message_new_error (GST_OBJECT_CAST (self),
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error, "Failed to prepare d3d11window");
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@ -610,33 +641,9 @@ gst_d3d11_video_sink_update_window (GstD3D11VideoSink * self, GstCaps * caps)
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g_clear_pointer (&self->title, g_free);
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}
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return TRUE;
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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/* ERRORS */
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invalid_format:
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{
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GST_DEBUG_OBJECT (self,
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"Could not locate image format from caps %" GST_PTR_FORMAT, caps);
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return FALSE;
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}
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no_window:
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{
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GST_ELEMENT_ERROR (self, RESOURCE, NOT_FOUND, (NULL),
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("Failed to open window."));
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return FALSE;
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}
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no_disp_ratio:
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{
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GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, (NULL),
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("Error calculating the output display ratio of the video."));
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return FALSE;
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}
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no_display_size:
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{
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GST_ELEMENT_ERROR (self, CORE, NEGOTIATION, (NULL),
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("Error calculating the output display ratio of the video."));
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return FALSE;
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}
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return TRUE;
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}
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static void
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@ -704,6 +711,7 @@ gst_d3d11_video_sink_start (GstBaseSink * sink)
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return TRUE;
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}
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/* called with lock */
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static gboolean
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gst_d3d11_video_sink_prepare_window (GstD3D11VideoSink * self)
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{
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@ -771,13 +779,11 @@ done:
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return FALSE;
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}
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GST_OBJECT_LOCK (self);
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g_object_set (self->window,
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"force-aspect-ratio", self->force_aspect_ratio,
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"fullscreen-toggle-mode", self->fullscreen_toggle_mode,
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"fullscreen", self->fullscreen,
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"enable-navigation-events", self->enable_navigation_events, NULL);
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GST_OBJECT_UNLOCK (self);
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g_signal_connect (self->window, "key-event",
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G_CALLBACK (gst_d3d11_video_sink_key_event), self);
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@ -794,11 +800,14 @@ gst_d3d11_video_sink_stop (GstBaseSink * sink)
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GST_DEBUG_OBJECT (self, "Stop");
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (self->window)
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gst_d3d11_window_unprepare (self->window);
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gst_clear_object (&self->device);
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gst_clear_object (&self->window);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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gst_clear_object (&self->device);
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g_clear_pointer (&self->title, g_free);
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@ -942,8 +951,10 @@ gst_d3d11_video_sink_unlock (GstBaseSink * sink)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (self->window)
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gst_d3d11_window_unlock (self->window);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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return TRUE;
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}
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@ -953,8 +964,10 @@ gst_d3d11_video_sink_unlock_stop (GstBaseSink * sink)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (sink);
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (self->window)
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gst_d3d11_window_unlock_stop (self->window);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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return TRUE;
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}
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@ -982,12 +995,14 @@ gst_d3d11_video_sink_event (GstBaseSink * sink, GstEvent * event)
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title_string = std::string (title);
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}
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (self->window) {
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gst_d3d11_window_set_title (self->window, title_string.c_str ());
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} else {
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g_free (self->title);
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self->title = g_strdup (title_string.c_str ());
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}
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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g_free (title);
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}
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@ -1068,7 +1083,7 @@ gst_d3d11_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buf)
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gst_d3d11_window_show (self->window);
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if (self->draw_on_shared_texture) {
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g_rec_mutex_lock (&self->draw_lock);
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GST_D3D11_VIDEO_SINK_LOCK (self);
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self->current_buffer = buf;
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self->drawing = TRUE;
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@ -1081,7 +1096,7 @@ gst_d3d11_video_sink_show_frame (GstVideoSink * sink, GstBuffer * buf)
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GST_LOG_OBJECT (self, "End drawing");
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self->drawing = FALSE;
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self->current_buffer = nullptr;
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g_rec_mutex_unlock (&self->draw_lock);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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} else {
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ret = gst_d3d11_window_render (self->window, buf);
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}
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@ -1117,7 +1132,7 @@ gst_d3d11_video_sink_set_render_rectangle (GstVideoOverlay * overlay, gint x,
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GST_DEBUG_OBJECT (self,
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"render rect x: %d, y: %d, width: %d, height %d", x, y, width, height);
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GST_OBJECT_LOCK (self);
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (self->window) {
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GstVideoRectangle rect;
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@ -1127,7 +1142,6 @@ gst_d3d11_video_sink_set_render_rectangle (GstVideoOverlay * overlay, gint x,
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rect.h = height;
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self->render_rect = rect;
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GST_OBJECT_UNLOCK (self);
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gst_d3d11_window_set_render_rectangle (self->window, &rect);
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} else {
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@ -1136,8 +1150,9 @@ gst_d3d11_video_sink_set_render_rectangle (GstVideoOverlay * overlay, gint x,
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self->render_rect.w = width;
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self->render_rect.h = height;
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self->pending_render_rect = TRUE;
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GST_OBJECT_UNLOCK (self);
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}
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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}
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static void
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@ -1145,9 +1160,10 @@ gst_d3d11_video_sink_expose (GstVideoOverlay * overlay)
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{
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GstD3D11VideoSink *self = GST_D3D11_VIDEO_SINK (overlay);
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if (self->window && self->window->swap_chain) {
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gst_d3d11_window_render (self->window, NULL);
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}
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (self->window && self->window->swap_chain)
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gst_d3d11_window_render (self->window, nullptr);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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}
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static void
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@ -1205,10 +1221,10 @@ gst_d3d11_video_sink_draw_action (GstD3D11VideoSink * self,
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return FALSE;
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}
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g_rec_mutex_lock (&self->draw_lock);
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GST_D3D11_VIDEO_SINK_LOCK (self);
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if (!self->drawing || !self->current_buffer) {
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GST_WARNING_OBJECT (self, "Nothing to draw");
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g_rec_mutex_unlock (&self->draw_lock);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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return FALSE;
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}
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@ -1220,7 +1236,7 @@ gst_d3d11_video_sink_draw_action (GstD3D11VideoSink * self,
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ret = gst_d3d11_window_render_on_shared_handle (self->window,
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self->current_buffer, shared_handle, texture_misc_flags, acquire_key,
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release_key);
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g_rec_mutex_unlock (&self->draw_lock);
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GST_D3D11_VIDEO_SINK_UNLOCK (self);
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return ret == GST_FLOW_OK;
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}
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@ -37,6 +37,7 @@ G_BEGIN_DECLS
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#define GST_IS_D3D11_VIDEO_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_D3D11_VIDEO_SINK))
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#define GST_IS_D3D11_VIDEO_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_D3D11_VIDEO_SINK))
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#define GST_D3D11_VIDEO_SINK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), GST_TYPE_D3D11_VIDEO_SINK, GstD3D11VideoSinkClass))
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#define GST_D3D11_VIDEO_SINK_CAST(obj) ((GstD3D11VideoSink *) obj)
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typedef struct _GstD3D11VideoSink GstD3D11VideoSink;
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typedef struct _GstD3D11VideoSinkClass GstD3D11VideoSinkClass;
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