mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 00:36:51 +00:00
wayladnsink: Add DRM Dumb allocator support
If the input is not a DMABuf, attempt to copy into a DRM Dumb buffer and import it has a DMABuf. This will offload the compositor from actually doing this copy (needed to handle SHM) and may allow the software decoded stream to be rendered to an HW layer, or even reach through some better accelerated GL import path. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3801>
This commit is contained in:
parent
755bd9143e
commit
ed60843c1e
3 changed files with 233 additions and 1 deletions
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@ -87,7 +87,8 @@ enum
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PROP_0,
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PROP_0,
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PROP_WIDGET,
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PROP_WIDGET,
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PROP_DISPLAY,
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PROP_DISPLAY,
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PROP_ROTATE_METHOD
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PROP_ROTATE_METHOD,
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PROP_DRM_DEVICE,
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};
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};
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typedef struct _GstGtkWaylandSinkPrivate
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typedef struct _GstGtkWaylandSinkPrivate
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@ -119,6 +120,9 @@ typedef struct _GstGtkWaylandSinkPrivate
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GstVideoOrientationMethod current_rotate_method;
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GstVideoOrientationMethod current_rotate_method;
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struct wl_callback *callback;
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struct wl_callback *callback;
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gchar *drm_device;
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gboolean skip_dumb_buffer_copy;
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} GstGtkWaylandSinkPrivate;
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} GstGtkWaylandSinkPrivate;
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#define gst_gtk_wayland_sink_parent_class parent_class
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#define gst_gtk_wayland_sink_parent_class parent_class
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@ -161,6 +165,17 @@ gst_gtk_wayland_sink_class_init (GstGtkWaylandSinkClass * klass)
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GST_TYPE_VIDEO_ORIENTATION_METHOD, GST_VIDEO_ORIENTATION_IDENTITY,
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GST_TYPE_VIDEO_ORIENTATION_METHOD, GST_VIDEO_ORIENTATION_IDENTITY,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstGtkWaylandSink:drm-device:
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*
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* Since: 1.24
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*/
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g_object_class_install_property (gobject_class, PROP_DRM_DEVICE,
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g_param_spec_string ("drm-device", "DRM Device", "Path of the "
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"DRM device to use for dumb buffer allocation",
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NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY));
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gstelement_class->change_state =
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gstelement_class->change_state =
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_change_state);
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GST_DEBUG_FUNCPTR (gst_gtk_wayland_sink_change_state);
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@ -207,6 +222,8 @@ gst_gtk_wayland_sink_finalize (GObject * object)
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g_clear_object (&priv->gtk_widget);
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g_clear_object (&priv->gtk_widget);
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gst_clear_caps (&priv->caps);
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gst_clear_caps (&priv->caps);
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g_free (priv->drm_device);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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}
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@ -379,6 +396,11 @@ gst_gtk_wayland_sink_get_property (GObject * object, guint prop_id,
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case PROP_ROTATE_METHOD:
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case PROP_ROTATE_METHOD:
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g_value_set_enum (value, priv->current_rotate_method);
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g_value_set_enum (value, priv->current_rotate_method);
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break;
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break;
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case PROP_DRM_DEVICE:
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GST_OBJECT_LOCK (self);
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g_value_set_string (value, priv->drm_device);
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GST_OBJECT_UNLOCK (self);
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break;
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default:
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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break;
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@ -390,12 +412,19 @@ gst_gtk_wayland_sink_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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const GValue * value, GParamSpec * pspec)
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{
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{
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GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (object);
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GstGtkWaylandSink *self = GST_GTK_WAYLAND_SINK (object);
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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switch (prop_id) {
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switch (prop_id) {
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case PROP_ROTATE_METHOD:
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case PROP_ROTATE_METHOD:
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gst_gtk_wayland_sink_set_rotate_method (self, g_value_get_enum (value),
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gst_gtk_wayland_sink_set_rotate_method (self, g_value_get_enum (value),
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FALSE);
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FALSE);
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break;
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break;
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case PROP_DRM_DEVICE:
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GST_OBJECT_LOCK (self);
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priv->drm_device = g_value_dup_string (value);
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GST_OBJECT_UNLOCK (self);
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break;
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default:
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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break;
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@ -710,6 +739,8 @@ gst_gtk_wayland_sink_change_state (GstElement * element,
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switch (transition) {
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switch (transition) {
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case GST_STATE_CHANGE_READY_TO_NULL:
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case GST_STATE_CHANGE_READY_TO_NULL:
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g_clear_object (&priv->pool);
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/* fallthrough */
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case GST_STATE_CHANGE_NULL_TO_NULL:
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case GST_STATE_CHANGE_NULL_TO_NULL:
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gst_gtk_invoke_on_main ((GThreadFunc)
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gst_gtk_invoke_on_main ((GThreadFunc)
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gst_gtk_wayland_sink_stop_on_main, element);
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gst_gtk_wayland_sink_stop_on_main, element);
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@ -860,6 +891,41 @@ gst_gtk_wayland_activate_shm_pool (GstGtkWaylandSink * self)
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return TRUE;
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return TRUE;
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}
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}
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static gboolean
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gst_gtk_wayland_activate_drm_dumb_pool (GstGtkWaylandSink * self)
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{
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GstGtkWaylandSinkPrivate *priv =
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gst_gtk_wayland_sink_get_instance_private (self);
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GstAllocator *alloc;
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if (!priv->drm_device)
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return FALSE;
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if (priv->pool && gst_buffer_pool_is_active (priv->pool)) {
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GstStructure *config = gst_buffer_pool_get_config (priv->pool);
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gboolean ret = FALSE;
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gboolean is_drm_dumb = FALSE;
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ret = gst_buffer_pool_config_get_allocator (config, &alloc, NULL);
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gst_structure_free (config);
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if (ret && alloc)
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is_drm_dumb = GST_IS_DRM_DUMB_ALLOCATOR (alloc);
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if (is_drm_dumb)
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return TRUE;
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}
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alloc = gst_drm_dumb_allocator_new_with_device_path (priv->drm_device);
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if (!alloc)
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return FALSE;
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gst_gtk_wayland_update_pool (self, alloc);
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gst_object_unref (alloc);
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return TRUE;
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}
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static gboolean
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static gboolean
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gst_gtk_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
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gst_gtk_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
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{
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{
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@ -877,6 +943,7 @@ gst_gtk_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
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format = GST_VIDEO_INFO_FORMAT (&priv->video_info);
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format = GST_VIDEO_INFO_FORMAT (&priv->video_info);
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priv->video_info_changed = TRUE;
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priv->video_info_changed = TRUE;
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priv->skip_dumb_buffer_copy = FALSE;
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/* free pooled buffer used with previous caps */
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/* free pooled buffer used with previous caps */
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if (priv->pool) {
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if (priv->pool) {
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@ -1086,8 +1153,60 @@ gst_gtk_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
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if (nb_dmabuf && (nb_dmabuf == gst_buffer_n_memory (buffer)))
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if (nb_dmabuf && (nb_dmabuf == gst_buffer_n_memory (buffer)))
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wbuf = gst_wl_linux_dmabuf_construct_wl_buffer (buffer, priv->display,
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wbuf = gst_wl_linux_dmabuf_construct_wl_buffer (buffer, priv->display,
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&priv->video_info);
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&priv->video_info);
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/* DMABuf did not work, let try and make this a dmabuf, it does not matter
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* if it was a SHM since the compositor needs to copy that anyway, and
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* offloading the compositor from a copy helps maintaining a smoother
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* desktop.
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*/
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if (!priv->skip_dumb_buffer_copy) {
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GstVideoFrame src, dst;
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if (!gst_gtk_wayland_activate_drm_dumb_pool (self)) {
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priv->skip_dumb_buffer_copy = TRUE;
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goto handle_shm;
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}
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}
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ret = gst_buffer_pool_acquire_buffer (priv->pool, &to_render, NULL);
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if (ret != GST_FLOW_OK)
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goto no_buffer;
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wlbuffer = gst_buffer_get_wl_buffer (priv->display, to_render);
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/* attach a wl_buffer if there isn't one yet */
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if (G_UNLIKELY (!wlbuffer)) {
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wbuf = gst_wl_linux_dmabuf_construct_wl_buffer (to_render,
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priv->display, &priv->video_info);
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if (G_UNLIKELY (!wbuf)) {
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GST_WARNING_OBJECT (self, "failed to import DRM Dumb dmabuf");
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gst_clear_buffer (&to_render);
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priv->skip_dumb_buffer_copy = TRUE;
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goto handle_shm;
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}
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wlbuffer = gst_buffer_add_wl_buffer (to_render, wbuf, priv->display);
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}
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if (!gst_video_frame_map (&dst, &priv->video_info, to_render,
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GST_MAP_WRITE))
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goto dst_map_failed;
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if (!gst_video_frame_map (&src, &priv->video_info, buffer, GST_MAP_READ)) {
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gst_video_frame_unmap (&dst);
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goto src_map_failed;
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}
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gst_video_frame_copy (&dst, &src);
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gst_video_frame_unmap (&src);
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gst_video_frame_unmap (&dst);
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goto render;
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}
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}
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handle_shm:
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if (!wbuf && gst_wl_display_check_format_for_shm (priv->display, format)) {
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if (!wbuf && gst_wl_display_check_format_for_shm (priv->display, format)) {
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if (gst_buffer_n_memory (buffer) == 1 && gst_is_fd_memory (mem))
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if (gst_buffer_n_memory (buffer) == 1 && gst_is_fd_memory (mem))
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wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, priv->display,
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wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, priv->display,
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@ -61,6 +61,7 @@ enum
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PROP_DISPLAY,
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PROP_DISPLAY,
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PROP_FULLSCREEN,
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PROP_FULLSCREEN,
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PROP_ROTATE_METHOD,
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PROP_ROTATE_METHOD,
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PROP_DRM_DEVICE,
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PROP_LAST
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PROP_LAST
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};
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};
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@ -177,6 +178,18 @@ gst_wayland_sink_class_init (GstWaylandSinkClass * klass)
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GST_TYPE_VIDEO_ORIENTATION_METHOD, GST_VIDEO_ORIENTATION_IDENTITY,
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GST_TYPE_VIDEO_ORIENTATION_METHOD, GST_VIDEO_ORIENTATION_IDENTITY,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* waylandsink:drm-device:
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*
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* Since: 1.24
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*/
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g_object_class_install_property (gobject_class, PROP_DRM_DEVICE,
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g_param_spec_string ("drm-device", "DRM Device", "Path of the "
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"DRM device to use for dumb buffer allocation",
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NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | G_PARAM_CONSTRUCT_ONLY));
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/**
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/**
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* waylandsink:render-rectangle:
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* waylandsink:render-rectangle:
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*
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*
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@ -266,6 +279,11 @@ gst_wayland_sink_get_property (GObject * object,
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g_value_set_enum (value, self->current_rotate_method);
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g_value_set_enum (value, self->current_rotate_method);
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GST_OBJECT_UNLOCK (self);
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GST_OBJECT_UNLOCK (self);
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break;
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break;
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case PROP_DRM_DEVICE:
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GST_OBJECT_LOCK (self);
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g_value_set_string (value, self->drm_device);
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GST_OBJECT_UNLOCK (self);
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break;
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default:
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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break;
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@ -293,6 +311,11 @@ gst_wayland_sink_set_property (GObject * object,
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gst_wayland_sink_set_rotate_method (self, g_value_get_enum (value),
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gst_wayland_sink_set_rotate_method (self, g_value_get_enum (value),
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FALSE);
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FALSE);
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break;
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break;
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case PROP_DRM_DEVICE:
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GST_OBJECT_LOCK (self);
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self->drm_device = g_value_dup_string (value);
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GST_OBJECT_UNLOCK (self);
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break;
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default:
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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break;
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@ -318,6 +341,7 @@ gst_wayland_sink_finalize (GObject * object)
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gst_clear_caps (&self->caps);
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gst_clear_caps (&self->caps);
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|
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g_free (self->display_name);
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g_free (self->display_name);
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g_free (self->drm_device);
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|
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g_mutex_clear (&self->display_lock);
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g_mutex_clear (&self->display_lock);
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g_mutex_clear (&self->render_lock);
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g_mutex_clear (&self->render_lock);
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@ -629,6 +653,39 @@ gst_wayland_activate_shm_pool (GstWaylandSink * self)
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return TRUE;
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return TRUE;
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}
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}
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|
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static gboolean
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gst_wayland_activate_drm_dumb_pool (GstWaylandSink * self)
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{
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GstAllocator *alloc;
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|
|
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if (!self->drm_device)
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return FALSE;
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|
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if (self->pool && gst_buffer_pool_is_active (self->pool)) {
|
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GstStructure *config = gst_buffer_pool_get_config (self->pool);
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gboolean ret = FALSE;
|
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gboolean is_drm_dumb = FALSE;
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|
|
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ret = gst_buffer_pool_config_get_allocator (config, &alloc, NULL);
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gst_structure_free (config);
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|
|
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if (ret && alloc)
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is_drm_dumb = GST_IS_DRM_DUMB_ALLOCATOR (alloc);
|
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|
|
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if (is_drm_dumb)
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return TRUE;
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}
|
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|
|
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|
alloc = gst_drm_dumb_allocator_new_with_device_path (self->drm_device);
|
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if (!alloc)
|
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return FALSE;
|
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|
|
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gst_wayland_update_pool (self, alloc);
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gst_object_unref (alloc);
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|
|
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return TRUE;
|
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}
|
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|
|
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static gboolean
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static gboolean
|
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gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
||||||
{
|
{
|
||||||
|
@ -644,6 +701,7 @@ gst_wayland_sink_set_caps (GstBaseSink * bsink, GstCaps * caps)
|
||||||
|
|
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format = GST_VIDEO_INFO_FORMAT (&self->video_info);
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format = GST_VIDEO_INFO_FORMAT (&self->video_info);
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self->video_info_changed = TRUE;
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self->video_info_changed = TRUE;
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self->skip_dumb_buffer_copy = FALSE;
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|
|
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/* free pooled buffer used with previous caps */
|
/* free pooled buffer used with previous caps */
|
||||||
if (self->pool) {
|
if (self->pool) {
|
||||||
|
@ -845,8 +903,60 @@ gst_wayland_sink_show_frame (GstVideoSink * vsink, GstBuffer * buffer)
|
||||||
if (nb_dmabuf && (nb_dmabuf == gst_buffer_n_memory (buffer)))
|
if (nb_dmabuf && (nb_dmabuf == gst_buffer_n_memory (buffer)))
|
||||||
wbuf = gst_wl_linux_dmabuf_construct_wl_buffer (buffer, self->display,
|
wbuf = gst_wl_linux_dmabuf_construct_wl_buffer (buffer, self->display,
|
||||||
&self->video_info);
|
&self->video_info);
|
||||||
|
|
||||||
|
/* DMABuf did not work, let try and make this a dmabuf, it does not matter
|
||||||
|
* if it was a SHM since the compositor needs to copy that anyway, and
|
||||||
|
* offloading the compositor from a copy helps maintaining a smoother
|
||||||
|
* desktop.
|
||||||
|
*/
|
||||||
|
if (!self->skip_dumb_buffer_copy) {
|
||||||
|
GstVideoFrame src, dst;
|
||||||
|
|
||||||
|
if (!gst_wayland_activate_drm_dumb_pool (self)) {
|
||||||
|
self->skip_dumb_buffer_copy = TRUE;
|
||||||
|
goto handle_shm;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
ret = gst_buffer_pool_acquire_buffer (self->pool, &to_render, NULL);
|
||||||
|
if (ret != GST_FLOW_OK)
|
||||||
|
goto no_buffer;
|
||||||
|
|
||||||
|
wlbuffer = gst_buffer_get_wl_buffer (self->display, to_render);
|
||||||
|
|
||||||
|
/* attach a wl_buffer if there isn't one yet */
|
||||||
|
if (G_UNLIKELY (!wlbuffer)) {
|
||||||
|
wbuf = gst_wl_linux_dmabuf_construct_wl_buffer (to_render,
|
||||||
|
self->display, &self->video_info);
|
||||||
|
|
||||||
|
if (G_UNLIKELY (!wbuf)) {
|
||||||
|
GST_WARNING_OBJECT (self, "failed to import DRM Dumb dmabuf");
|
||||||
|
gst_clear_buffer (&to_render);
|
||||||
|
self->skip_dumb_buffer_copy = TRUE;
|
||||||
|
goto handle_shm;
|
||||||
|
}
|
||||||
|
|
||||||
|
wlbuffer = gst_buffer_add_wl_buffer (to_render, wbuf, self->display);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (!gst_video_frame_map (&dst, &self->video_info, to_render,
|
||||||
|
GST_MAP_WRITE))
|
||||||
|
goto dst_map_failed;
|
||||||
|
|
||||||
|
if (!gst_video_frame_map (&src, &self->video_info, buffer, GST_MAP_READ)) {
|
||||||
|
gst_video_frame_unmap (&dst);
|
||||||
|
goto src_map_failed;
|
||||||
|
}
|
||||||
|
|
||||||
|
gst_video_frame_copy (&dst, &src);
|
||||||
|
|
||||||
|
gst_video_frame_unmap (&src);
|
||||||
|
gst_video_frame_unmap (&dst);
|
||||||
|
|
||||||
|
goto render;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
handle_shm:
|
||||||
if (!wbuf && gst_wl_display_check_format_for_shm (self->display, format)) {
|
if (!wbuf && gst_wl_display_check_format_for_shm (self->display, format)) {
|
||||||
if (gst_buffer_n_memory (buffer) == 1 && gst_is_fd_memory (mem))
|
if (gst_buffer_n_memory (buffer) == 1 && gst_is_fd_memory (mem))
|
||||||
wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, self->display,
|
wbuf = gst_wl_shm_memory_construct_wl_buffer (mem, self->display,
|
||||||
|
|
|
@ -69,6 +69,9 @@ struct _GstWaylandSink
|
||||||
GstVideoOrientationMethod current_rotate_method;
|
GstVideoOrientationMethod current_rotate_method;
|
||||||
|
|
||||||
struct wl_callback *callback;
|
struct wl_callback *callback;
|
||||||
|
|
||||||
|
gchar *drm_device;
|
||||||
|
gboolean skip_dumb_buffer_copy;
|
||||||
};
|
};
|
||||||
|
|
||||||
struct _GstWaylandSinkClass
|
struct _GstWaylandSinkClass
|
||||||
|
|
Loading…
Reference in a new issue