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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-08 18:39:54 +00:00
gtk: Add "video-aspect-ratio-override" property
Allow front-ends to override the pixel aspect ratio found inside the video file itself, or most likely, missing from the video file. This is a long-standing feature of totem. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1137>
This commit is contained in:
parent
522be6cf7c
commit
c63365c80f
5 changed files with 82 additions and 2 deletions
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@ -7215,6 +7215,20 @@
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"type": "GstFraction",
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"writable": true
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},
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"video-aspect-ratio-override": {
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"blurb": "The pixel aspect ratio of the video (0/1 = follow stream)",
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"conditionally-available": false,
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"construct": false,
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"construct-only": false,
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"controllable": false,
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"default": "0/1",
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"max": "2147483647/1",
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"min": "0/2147483647",
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"mutable": "null",
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"readable": true,
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"type": "GstFraction",
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"writable": true
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},
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"widget": {
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"blurb": "The GtkWidget to place in the widget hierarchy (must only be get from the GTK main thread)",
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"conditionally-available": false,
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@ -37,6 +37,8 @@ GST_DEBUG_CATEGORY (gst_debug_gtk_base_sink);
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#define DEFAULT_FORCE_ASPECT_RATIO TRUE
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#define DEFAULT_DISPLAY_PAR_N 0
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#define DEFAULT_DISPLAY_PAR_D 1
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#define DEFAULT_VIDEO_PAR_N 0
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#define DEFAULT_VIDEO_PAR_D 1
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#define DEFAULT_IGNORE_ALPHA TRUE
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static void gst_gtk_base_sink_finalize (GObject * object);
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@ -68,6 +70,7 @@ enum
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PROP_WIDGET,
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PROP_FORCE_ASPECT_RATIO,
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PROP_PIXEL_ASPECT_RATIO,
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PROP_VIDEO_ASPECT_RATIO_OVERRIDE,
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PROP_IGNORE_ALPHA,
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};
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@ -117,6 +120,21 @@ gst_gtk_base_sink_class_init (GstGtkBaseSinkClass * klass)
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0, G_MAXINT, G_MAXINT, 1, DEFAULT_DISPLAY_PAR_N,
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DEFAULT_DISPLAY_PAR_D, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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/**
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* GstGtkBaseSink:video-aspect-ratio-override:
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*
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* The pixel aspect ratio of the video (0/1 = follow stream)
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*
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* Since: 1.20
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*/
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g_object_class_install_property (gobject_class,
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PROP_VIDEO_ASPECT_RATIO_OVERRIDE,
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gst_param_spec_fraction ("video-aspect-ratio-override",
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"Video Pixel Aspect Ratio",
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"The pixel aspect ratio of the video (0/1 = follow stream)", 0,
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G_MAXINT, G_MAXINT, 1, DEFAULT_VIDEO_PAR_N, DEFAULT_VIDEO_PAR_D,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (gobject_class, PROP_IGNORE_ALPHA,
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g_param_spec_boolean ("ignore-alpha", "Ignore Alpha",
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"When enabled, alpha will be ignored and converted to black",
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@ -141,6 +159,8 @@ gst_gtk_base_sink_init (GstGtkBaseSink * gtk_sink)
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gtk_sink->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO;
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gtk_sink->par_n = DEFAULT_DISPLAY_PAR_N;
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gtk_sink->par_d = DEFAULT_DISPLAY_PAR_D;
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gtk_sink->video_par_n = DEFAULT_VIDEO_PAR_N;
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gtk_sink->video_par_d = DEFAULT_VIDEO_PAR_D;
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gtk_sink->ignore_alpha = DEFAULT_IGNORE_ALPHA;
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}
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@ -200,6 +220,10 @@ gst_gtk_base_sink_get_widget (GstGtkBaseSink * gtk_sink)
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gtk_sink->bind_pixel_aspect_ratio =
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g_object_bind_property (gtk_sink, "pixel-aspect-ratio", gtk_sink->widget,
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"pixel-aspect-ratio", G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
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gtk_sink->bind_video_aspect_ratio =
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g_object_bind_property (gtk_sink, "video-aspect-ratio-override",
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gtk_sink->widget, "video-aspect-ratio-override",
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G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
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gtk_sink->bind_ignore_alpha =
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g_object_bind_property (gtk_sink, "ignore-alpha", gtk_sink->widget,
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"ignore-alpha", G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
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@ -253,6 +277,10 @@ gst_gtk_base_sink_get_property (GObject * object, guint prop_id,
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case PROP_PIXEL_ASPECT_RATIO:
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gst_value_set_fraction (value, gtk_sink->par_n, gtk_sink->par_d);
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break;
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case PROP_VIDEO_ASPECT_RATIO_OVERRIDE:
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gst_value_set_fraction (value, gtk_sink->video_par_n,
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gtk_sink->video_par_d);
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break;
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case PROP_IGNORE_ALPHA:
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g_value_set_boolean (value, gtk_sink->ignore_alpha);
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break;
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@ -276,6 +304,10 @@ gst_gtk_base_sink_set_property (GObject * object, guint prop_id,
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gtk_sink->par_n = gst_value_get_fraction_numerator (value);
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gtk_sink->par_d = gst_value_get_fraction_denominator (value);
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break;
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case PROP_VIDEO_ASPECT_RATIO_OVERRIDE:
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gtk_sink->video_par_n = gst_value_get_fraction_numerator (value);
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gtk_sink->video_par_d = gst_value_get_fraction_denominator (value);
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break;
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case PROP_IGNORE_ALPHA:
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gtk_sink->ignore_alpha = g_value_get_boolean (value);
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break;
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@ -65,6 +65,10 @@ struct _GstGtkBaseSink
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gint par_d;
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GBinding *bind_pixel_aspect_ratio;
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gint video_par_n;
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gint video_par_d;
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GBinding *bind_video_aspect_ratio;
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gboolean ignore_alpha;
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GBinding *bind_ignore_alpha;
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@ -32,6 +32,8 @@ GST_DEBUG_CATEGORY (gst_debug_gtk_base_widget);
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#define DEFAULT_FORCE_ASPECT_RATIO TRUE
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#define DEFAULT_DISPLAY_PAR_N 0
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#define DEFAULT_DISPLAY_PAR_D 1
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#define DEFAULT_VIDEO_PAR_N 0
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#define DEFAULT_VIDEO_PAR_D 1
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#define DEFAULT_IGNORE_ALPHA TRUE
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enum
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@ -40,6 +42,7 @@ enum
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PROP_FORCE_ASPECT_RATIO,
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PROP_PIXEL_ASPECT_RATIO,
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PROP_IGNORE_ALPHA,
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PROP_VIDEO_ASPECT_RATIO_OVERRIDE,
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};
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static gboolean
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@ -55,8 +58,14 @@ _calculate_par (GtkGstBaseWidget * widget, GstVideoInfo * info)
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if (width == 0 || height == 0)
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return FALSE;
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par_n = GST_VIDEO_INFO_PAR_N (info);
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par_d = GST_VIDEO_INFO_PAR_D (info);
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/* get video's PAR */
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if (widget->video_par_n != 0 && widget->video_par_d != 0) {
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par_n = widget->video_par_n;
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par_d = widget->video_par_d;
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} else {
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par_n = GST_VIDEO_INFO_PAR_N (info);
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par_d = GST_VIDEO_INFO_PAR_D (info);
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}
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if (!par_n)
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par_n = 1;
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@ -214,6 +223,11 @@ gtk_gst_base_widget_set_property (GObject * object, guint prop_id,
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gtk_widget->par_d = gst_value_get_fraction_denominator (value);
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_update_par (gtk_widget);
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break;
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case PROP_VIDEO_ASPECT_RATIO_OVERRIDE:
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gtk_widget->video_par_n = gst_value_get_fraction_numerator (value);
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gtk_widget->video_par_d = gst_value_get_fraction_denominator (value);
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_update_par (gtk_widget);
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break;
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case PROP_IGNORE_ALPHA:
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gtk_widget->ignore_alpha = g_value_get_boolean (value);
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break;
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@ -236,6 +250,10 @@ gtk_gst_base_widget_get_property (GObject * object, guint prop_id,
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case PROP_PIXEL_ASPECT_RATIO:
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gst_value_set_fraction (value, gtk_widget->par_n, gtk_widget->par_d);
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break;
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case PROP_VIDEO_ASPECT_RATIO_OVERRIDE:
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gst_value_set_fraction (value, gtk_widget->video_par_n,
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gtk_widget->video_par_d);
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break;
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case PROP_IGNORE_ALPHA:
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g_value_set_boolean (value, gtk_widget->ignore_alpha);
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break;
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@ -458,6 +476,15 @@ gtk_gst_base_widget_class_init (GtkGstBaseWidgetClass * klass)
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DEFAULT_DISPLAY_PAR_D, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
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GST_PARAM_MUTABLE_PLAYING));
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g_object_class_install_property (gobject_klass,
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PROP_VIDEO_ASPECT_RATIO_OVERRIDE,
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gst_param_spec_fraction ("video-aspect-ratio-override",
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"Video Pixel Aspect Ratio",
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"The pixel aspect ratio of the video (0/1 = follow stream)", 0,
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G_MAXINT, G_MAXINT, 1, DEFAULT_VIDEO_PAR_N, DEFAULT_VIDEO_PAR_D,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
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GST_PARAM_MUTABLE_PLAYING));
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g_object_class_install_property (gobject_klass, PROP_IGNORE_ALPHA,
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g_param_spec_boolean ("ignore-alpha", "Ignore Alpha",
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"When enabled, alpha will be ignored and converted to black",
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@ -484,6 +511,8 @@ gtk_gst_base_widget_init (GtkGstBaseWidget * widget)
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widget->force_aspect_ratio = DEFAULT_FORCE_ASPECT_RATIO;
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widget->par_n = DEFAULT_DISPLAY_PAR_N;
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widget->par_d = DEFAULT_DISPLAY_PAR_D;
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widget->video_par_n = DEFAULT_VIDEO_PAR_N;
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widget->video_par_d = DEFAULT_VIDEO_PAR_D;
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widget->ignore_alpha = DEFAULT_IGNORE_ALPHA;
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gst_video_info_init (&widget->v_info);
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@ -47,6 +47,7 @@ struct _GtkGstBaseWidget
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/* properties */
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gboolean force_aspect_ratio;
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gint par_n, par_d;
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gint video_par_n, video_par_d;
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gboolean ignore_alpha;
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gint display_width;
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