/* GStreamer * Copyright 2023 Igalia S.L. * @author: Thibault Saunier * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * SECTION:element-autodeinterlace * @title: autodeinterlace * * The #autodeinterlace element is used to automatically select the right * deinterlacer based on the caps of the stream. It can plug several elements * to download/upload to/from the GPU when required/best. * * Note: This element guarantees that caps negotiation works but when setting * properties that are not available on the best underlying deinterlacer some * upload/download might be required and performance are impacted. * * Since: 1.24 */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include "gstautovideo.h" #include "gstautodeinterlace.h" GST_DEBUG_CATEGORY (autodeinterlace_debug); #define GST_CAT_DEFAULT (autodeinterlace_debug) #define DEFAULT_FIELDS GST_AUTO_DEINTERLACE_FIELDS_ALL #define DEFAULT_LAYOUT GST_AUTO_DEINTERLACE_LAYOUT_AUTO #define DEFAULT_MODE GST_AUTO_DEINTERLACE_MODE_AUTO enum { PROP_0, PROP_FIELDS, PROP_MODE, PROP_LAYOUT, }; /** * GstAutoDeinterlaceFieldLayout: * @GST_AUTO_DEINTERLACE_LAYOUT_AUTO: Auto detection * @GST_AUTO_DEINTERLACE_LAYOUT_TFF: Top field first * @GST_AUTO_DEINTERLACE_LAYOUT_BFF: Bottom field first * * Since: 1.24 */ typedef enum { GST_AUTO_DEINTERLACE_LAYOUT_AUTO, GST_AUTO_DEINTERLACE_LAYOUT_TFF, GST_AUTO_DEINTERLACE_LAYOUT_BFF, } GstAutoDeinterlaceFieldLayout; #define GST_TYPE_AUTO_DEINTERLACE_FIELD_LAYOUT (gst_auto_deinterlace_field_layout_get_type ()) static GType gst_auto_deinterlace_field_layout_get_type (void) { static GType auto_deinterlace_field_layout_type = 0; static const GEnumValue field_layout_types[] = { {GST_AUTO_DEINTERLACE_LAYOUT_AUTO, "Auto detection", "auto"}, {GST_AUTO_DEINTERLACE_LAYOUT_TFF, "Top field first", "tff"}, {GST_AUTO_DEINTERLACE_LAYOUT_BFF, "Bottom field first", "bff"}, {0, NULL, NULL}, }; if (!auto_deinterlace_field_layout_type) { auto_deinterlace_field_layout_type = g_enum_register_static ("GstAutoDeinterlaceFieldLayout", field_layout_types); } return auto_deinterlace_field_layout_type; } /** * GstAutoDeinterlaceFields: * @GST_AUTO_DEINTERLACE_FIELDS_ALL: All fields (missing data is interpolated) * @GST_AUTO_DEINTERLACE_FIELDS_TOP: Top Fields only * @GST_AUTO_DEINTERLACE_FIELDS_BOTTOM: Bottom Fields Only * @GST_AUTO_DEINTERLACE_FIELDS_AUTO: Automatically detect * * Since: 1.24 */ typedef enum { GST_AUTO_DEINTERLACE_FIELDS_ALL, /* All (missing data is interp.) */ GST_AUTO_DEINTERLACE_FIELDS_TOP, /* Top Fields Only */ GST_AUTO_DEINTERLACE_FIELDS_BOTTOM, /* Bottom Fields Only */ GST_AUTO_DEINTERLACE_FIELDS_AUTO /* Automatically detect */ } GstAutoDeinterlaceFields; #define GST_TYPE_AUTO_DEINTERLACE_FIELDS (gst_auto_deinterlace_fields_get_type ()) static GType gst_auto_deinterlace_fields_get_type (void) { static GType deinterlace_fields_type = 0; static const GEnumValue fields_types[] = { {GST_AUTO_DEINTERLACE_FIELDS_ALL, "All fields", "all"}, {GST_AUTO_DEINTERLACE_FIELDS_TOP, "Top fields only", "top"}, {GST_AUTO_DEINTERLACE_FIELDS_BOTTOM, "Bottom fields only", "bottom"}, {GST_AUTO_DEINTERLACE_FIELDS_AUTO, "Automatically detect", "auto"}, {0, NULL, NULL}, }; if (!deinterlace_fields_type) { deinterlace_fields_type = g_enum_register_static ("GstAutoDeinterlaceFields", fields_types); } return deinterlace_fields_type; } /** * GstAutoDeinterlaceModes: * @GST_AUTO_DEINTERLACE_MODE_AUTO: Auto detection (best effort) * @GST_AUTO_DEINTERLACE_MODE_INTERLACED: Force deinterlacing * @GST_AUTO_DEINTERLACE_MODE_DISABLED: Run in passthrough modes_types * @GST_AUTO_DEINTERLACE_MODE_AUTO_STRICT: Auto detection (strict) * * Since: 1.24 */ typedef enum { GST_AUTO_DEINTERLACE_MODE_AUTO, GST_AUTO_DEINTERLACE_MODE_INTERLACED, GST_AUTO_DEINTERLACE_MODE_DISABLED, GST_AUTO_DEINTERLACE_MODE_AUTO_STRICT } GstAutoDeinterlaceModes; #define GST_TYPE_AUTO_DEINTERLACE_MODES (gst_auto_deinterlace_modes_get_type ()) static GType gst_auto_deinterlace_modes_get_type (void) { static GType deinterlace_modes_type = 0; static const GEnumValue modes_types[] = { {GST_AUTO_DEINTERLACE_MODE_AUTO, "Auto detection (best effort)", "auto"}, {GST_AUTO_DEINTERLACE_MODE_INTERLACED, "Force deinterlacing", "interlaced"}, {GST_AUTO_DEINTERLACE_MODE_DISABLED, "Run in passthrough mode", "disabled"}, {GST_AUTO_DEINTERLACE_MODE_AUTO_STRICT, "Auto detection (strict)", "auto-strict"}, {0, NULL, NULL}, }; if (!deinterlace_modes_type) { deinterlace_modes_type = g_enum_register_static ("GstAutoDeinterlaceModes", modes_types); } return deinterlace_modes_type; } typedef struct { const gchar *factory_name; const gchar *our_name; const gchar *their_name; struct { gint our_value; const gchar *their_value; } values[5]; } EnumMap; static EnumMap ENUM_MAP[] = { { .factory_name = "deinterlace", .our_name = "layout", .their_name = "tff", .values = { { .our_value = GST_AUTO_DEINTERLACE_LAYOUT_AUTO, .their_value = "auto", }, { .our_value = GST_AUTO_DEINTERLACE_LAYOUT_TFF, .their_value = "tff", }, { .our_value = GST_AUTO_DEINTERLACE_LAYOUT_BFF, .their_value = "bff", }, }, }, { .factory_name = "deinterlace", .our_name = "fields", .their_name = "fields", .values = { { .our_value = GST_AUTO_DEINTERLACE_FIELDS_ALL, .their_value = "all", }, { .our_value = GST_AUTO_DEINTERLACE_FIELDS_BOTTOM, .their_value = "bottom", }, { .our_value = GST_AUTO_DEINTERLACE_FIELDS_TOP, .their_value = "top", }, { .our_value = GST_AUTO_DEINTERLACE_FIELDS_AUTO, .their_value = "auto", }, }, }, { .factory_name = "deinterlace", .our_name = "mode", .their_name = "mode", .values = { { .our_value = GST_AUTO_DEINTERLACE_MODE_AUTO, .their_value = "auto", }, { .our_value = GST_AUTO_DEINTERLACE_MODE_DISABLED, .their_value = "disabled", }, { .our_value = GST_AUTO_DEINTERLACE_MODE_INTERLACED, .their_value = "interlaced", }, { .our_value = GST_AUTO_DEINTERLACE_MODE_AUTO_STRICT, .their_value = "auto-strict", }, }, }, { .factory_name = "gldeinterlace", .our_name = "layout", .their_name = NULL, }, { .factory_name = "gldeinterlace", .our_name = "fields", .their_name = NULL, }, { .factory_name = "gldeinterlace", .our_name = "mode", .their_name = NULL, }, { .factory_name = "d3d11deinterlaceelement", .our_name = "layout", .their_name = NULL, }, { .factory_name = "d3d11deinterlaceelement", .our_name = "fields", .their_name = NULL, }, { .factory_name = "d3d11deinterlaceelement", .our_name = "mode", .their_name = NULL, } }; #if !GLIB_CHECK_VERSION(2, 68, 0) static GObject * g_binding_dup_source (GBinding * binding) { return g_object_ref (g_binding_get_source (binding)); } static GObject * g_binding_dup_target (GBinding * binding) { return g_object_ref (g_binding_get_target (binding)); } #endif struct _GstAutoDeinterlace { GstBaseAutoConvert parent; GstAutoDeinterlaceFieldLayout field_layout; GstAutoDeinterlaceFields fields; GstAutoDeinterlaceModes mode; GList *bindings; }; G_DEFINE_TYPE (GstAutoDeinterlace, gst_auto_deinterlace, GST_TYPE_BASE_AUTO_CONVERT); GST_ELEMENT_REGISTER_DEFINE (autodeinterlace, "autodeinterlace", GST_RANK_NONE, gst_auto_deinterlace_get_type ()); static void gst_auto_deinterlace_register_filters (GstAutoDeinterlace * self) { const GstAutoVideoFilterGenerator *g; /* Only the software deinterlacer supports all our properties so if we are using * defaults values for all of them, use hw deinterlacer otherwise ensure to use * our software one to respect what the user wants */ /* *INDENT-OFF* */ if (self->field_layout == DEFAULT_LAYOUT && self->fields == DEFAULT_FIELDS && self->mode == DEFAULT_MODE) { static const GstAutoVideoFilterGenerator gen[] = { { .first_elements = { "bayer2rgb", NULL}, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { NULL } , .filters = { "deinterlace", NULL}, .rank = GST_RANK_SECONDARY, }, { .first_elements = { NULL, }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { "rgb2bayer", NULL }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_SECONDARY, }, { .first_elements = { NULL, }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { NULL, }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_SECONDARY, }, { .first_elements = { NULL, }, .colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL }, .last_elements = { NULL, }, .filters = { "gldeinterlace", NULL }, .rank = GST_RANK_PRIMARY, }, { .first_elements = { "glupload", }, .colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL }, .last_elements = { NULL, }, .filters = { "gldeinterlace", NULL }, .rank = GST_RANK_PRIMARY, }, { /* Worst case we upload/download as required */ .first_elements = { "glupload", "gldownload", NULL }, .colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL }, .last_elements = { "glupload", "gldownload", NULL }, .filters = { "gldeinterlace", NULL }, .rank = GST_RANK_MARGINAL, }, { .first_elements = { NULL, }, .colorspace_converters = { "d3d11convert", NULL }, .last_elements = { NULL, }, .filters = { "d3d11deinterlaceelement" }, .rank = GST_RANK_PRIMARY, }, { .first_elements = { NULL}, .colorspace_converters = { "d3d11deinterlace", NULL }, .last_elements = { NULL }, .filters = { NULL }, .rank = GST_RANK_MARGINAL, }, { /* CUDA -> GL */ .first_elements = { "capsfilter caps=video/x-raw(memory:CUDAMemory)", "cudadownload", NULL }, .colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL }, .last_elements = { NULL }, .filters = { "gldeinterlace", NULL }, .rank = GST_RANK_PRIMARY - 1, }, { /* CUDA -> CUDA */ .first_elements = { "capsfilter caps=video/x-raw(memory:CUDAMemory)", "cudadownload", NULL }, .colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL }, .last_elements = { "cudaupload", "capsfilter caps=video/x-raw(memory:CUDAMemory)", NULL }, .filters = { "gldeinterlace", NULL }, .rank = GST_RANK_SECONDARY - 1, }, { /* Software -> CUDA (uploading as soon as possible) */ .first_elements = { "glupload", NULL }, .colorspace_converters = { "glcoloconvert", NULL }, .last_elements = { "cudaupload", "capsfilter caps=video/x-raw(memory:CUDAMemory)", NULL }, .filters = { "gldeinterlace", NULL }, .rank = GST_RANK_MARGINAL, }, { /* CUDA -> Software */ .first_elements = { "capsfilter caps=video/x-raw(memory:CUDAMemory)", "cudadownload", NULL }, .colorspace_converters = { "glcolorconvert", "glcolorscale", "glcolorconvert", NULL }, .last_elements = { "gldownload", NULL }, .filters = { "gldeinterlace", NULL }, .rank = GST_RANK_MARGINAL, }, { .first_elements = { NULL}, .colorspace_converters = { NULL }, .last_elements = { NULL }, .filters = { NULL }, .rank = 0, }, }; g = gen; } else { static const GstAutoVideoFilterGenerator gen[] = { { .first_elements = { "bayer2rgb", NULL}, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { NULL } , .filters = { "deinterlace", NULL}, .rank = GST_RANK_SECONDARY, }, { .first_elements = { NULL, }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { "rgb2bayer", NULL }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_SECONDARY, }, { .first_elements = { NULL, }, .colorspace_converters = { "videoconvertscale", NULL }, .last_elements = { NULL, }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_SECONDARY, }, { /* Worst case we upload/download as required */ .first_elements = { "gldownload", NULL }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { "glupload", NULL }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_MARGINAL, }, { /* Cuda -> Cuda */ .first_elements = { "capsfilter caps=video/x-raw(memory:CUDAMemory)", "cudadownload", NULL }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { "cudaupload", "capsfilter caps=video/x-raw(memory:CUDAMemory)", NULL }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_SECONDARY + 1, }, { /* Cuda -> software */ .first_elements = { "capsfilter caps=video/x-raw(memory:CUDAMemory)", "cudadownload", NULL }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { "glupload", NULL }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_MARGINAL, }, { /* Cuda -> software */ .first_elements = { "capsfilter caps=video/x-raw(memory:CUDAMemory)", "cudadownload", NULL }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { NULL }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_MARGINAL, }, { /* Software -> cuda */ .first_elements = { NULL }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { "cudaupload", "capsfilter caps=video/x-raw(memory:CUDAMemory)", NULL }, .filters = { "deinterlace", NULL }, .rank = GST_RANK_MARGINAL, }, { .first_elements = { "d3d11upload", "d3d11download" }, .colorspace_converters = { "videoconvert", NULL }, .last_elements = { "d3d11upload", "d3d11download" }, .filters = { "deinterlace" }, .rank = GST_RANK_MARGINAL, }, { /* Worst case we upload/download as required */ .first_elements = { NULL}, .colorspace_converters = { NULL }, .last_elements = { NULL }, .filters = { NULL }, .rank = 0, }, }; g = gen; } /* *INDENT-ON* */ gst_auto_video_register_well_known_bins (GST_BASE_AUTO_CONVERT (self), g); } static void gst_auto_deinterlace_get_property (GObject * object, guint prop_id, GValue * value, GParamSpec * pspec) { GstAutoDeinterlace *autodeinterlace = GST_AUTO_DEINTERLACE (object); GST_OBJECT_LOCK (object); switch (prop_id) { case PROP_LAYOUT: g_value_set_enum (value, autodeinterlace->field_layout); break; case PROP_FIELDS: g_value_set_enum (value, autodeinterlace->fields); break; case PROP_MODE: g_value_set_enum (value, autodeinterlace->mode); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } GST_OBJECT_UNLOCK (object); } static void gst_auto_deinterlace_set_property (GObject * object, guint prop_id, const GValue * value, GParamSpec * pspec) { GstAutoDeinterlace *autodeinterlace = GST_AUTO_DEINTERLACE (object); gint v = g_value_get_enum (value); gboolean changed = FALSE; GST_OBJECT_LOCK (object); switch (prop_id) { case PROP_LAYOUT: changed = (autodeinterlace->field_layout != v); autodeinterlace->field_layout = v; break; case PROP_FIELDS: changed = (autodeinterlace->fields != v); autodeinterlace->fields = v; break; case PROP_MODE: changed = (autodeinterlace->mode != v); autodeinterlace->mode = v; break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } GST_OBJECT_UNLOCK (object); if (changed) { gst_base_auto_convert_reset_filters (GST_BASE_AUTO_CONVERT (object)); gst_auto_deinterlace_register_filters (GST_AUTO_DEINTERLACE (object)); /* Force a reconfigure so the new property can be taken into account if necessary */ gst_pad_push_event (GST_BASE_AUTO_CONVERT (object)->sinkpad, gst_event_new_reconfigure ()); } } static gboolean element_is_handled_deinterlace (GstElement * element) { GstElementFactory *factory = gst_element_get_factory (element); for (gint i = 0; i < G_N_ELEMENTS (ENUM_MAP); i++) { if (g_strcmp0 (GST_OBJECT_NAME (factory), ENUM_MAP[i].factory_name) == 0) { return TRUE; } } return FALSE; } static gboolean gst_auto_deinterlace_transform_to (GBinding * binding, const GValue * from, GValue * to_value, gpointer _udata) { const gchar *value = NULL; EnumMap *map = NULL; gboolean res = FALSE; GstAutoDeinterlace *self = GST_AUTO_DEINTERLACE (g_binding_dup_source (binding)); GstElement *target = GST_ELEMENT (g_binding_dup_target (binding)); GstElementFactory *factory = gst_element_get_factory (target); for (gint i = 0; i < G_N_ELEMENTS (ENUM_MAP); i++) { if (g_strcmp0 (GST_OBJECT_NAME (factory), ENUM_MAP[i].factory_name) == 0 && g_strcmp0 (g_binding_get_source_property (binding), ENUM_MAP[i].our_name) == 0) { map = &ENUM_MAP[i]; break; } } if (!map) { GST_WARNING_OBJECT (self, "Could not find mapping for %s" " property won't be set on the deinterlacing element", gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)) ); goto done; } for (gint j = 0; map->values[j].their_value; j++) { if (map->values[j].our_value == g_value_get_enum (from)) { value = map->values[j].their_value; break; } } if (value) { GParamSpec *pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (target), g_binding_get_target_property (binding)); GST_ERROR ("Setting %s - %s to %s", map->our_name, g_binding_get_source_property (binding), value); res = gst_value_deserialize_with_pspec (to_value, value, pspec); } else { GST_WARNING_OBJECT (self, "Could not transfer value for property %s to %s", g_binding_get_source_property (binding), g_binding_get_target_property (binding) ); } done: gst_clear_object (&self); gst_clear_object (&target); return res; } static void gst_auto_deinterlace_deep_element_added (GstBin * bin, GstBin * sub_bin, GstElement * element) { GstAutoDeinterlace *self = GST_AUTO_DEINTERLACE (bin); GList *new_bindings = NULL; if (!element_is_handled_deinterlace (element)) goto done; GST_OBJECT_LOCK (bin); for (GList * tmp = self->bindings; tmp; tmp = tmp->next) { GBinding *binding = tmp->data; GObject *target = g_binding_dup_target (binding); if (GST_ELEMENT (target) == element) { GST_INFO_OBJECT (self, "Newly added element %s already bound", GST_OBJECT_NAME (gst_element_get_factory (element))); GST_OBJECT_UNLOCK (bin); gst_object_unref (target); goto done; } gst_object_unref (target); } GST_OBJECT_UNLOCK (bin); for (gint i = 0; i < G_N_ELEMENTS (ENUM_MAP); i++) { if (g_strcmp0 (GST_OBJECT_NAME (gst_element_get_factory (element)), ENUM_MAP[i].factory_name)) continue; if (!ENUM_MAP[i].their_name) { GST_WARNING_OBJECT (self, "No mapping for our property %s on %s", ENUM_MAP[i].our_name, GST_OBJECT_NAME (gst_element_get_factory (element))); continue; } new_bindings = g_list_prepend (new_bindings, g_object_bind_property_full (bin, ENUM_MAP[i].our_name, element, ENUM_MAP[i].their_name, G_BINDING_SYNC_CREATE | G_BINDING_DEFAULT, gst_auto_deinterlace_transform_to, NULL, NULL, NULL) ); } GST_OBJECT_LOCK (bin); self->bindings = g_list_concat (self->bindings, new_bindings); GST_OBJECT_UNLOCK (bin); done: GST_BIN_CLASS (gst_auto_deinterlace_parent_class)->deep_element_added (bin, sub_bin, element); } static void gst_auto_deinterlace_deep_element_removed (GstBin * bin, GstBin * sub_bin, GstElement * element) { GList *bindings = NULL; GstAutoDeinterlace *self = GST_AUTO_DEINTERLACE (bin); if (!element_is_handled_deinterlace (element)) goto done; GST_OBJECT_LOCK (bin); for (GList * tmp = self->bindings; tmp; tmp = tmp->next) { GBinding *binding = tmp->data; GObject *target = g_binding_dup_target (binding); if (GST_ELEMENT (target) == element) { GList *node = tmp; bindings = g_list_prepend (bindings, binding); tmp = tmp->prev; self->bindings = g_list_delete_link (self->bindings, node); if (!tmp) break; } gst_object_unref (target); } GST_OBJECT_UNLOCK (bin); done: GST_BIN_CLASS (gst_auto_deinterlace_parent_class)->deep_element_removed (bin, sub_bin, element); } static void gst_auto_deinterlace_class_init (GstAutoDeinterlaceClass * klass) { GObjectClass *gobject_class = (GObjectClass *) klass; GstElementClass *gstelement_class = (GstElementClass *) klass; GstBinClass *gstbin_class = (GstBinClass *) klass; GST_DEBUG_CATEGORY_INIT (autodeinterlace_debug, "autodeinterlace", 0, "Auto color space converter"); gobject_class->set_property = gst_auto_deinterlace_set_property; gobject_class->get_property = gst_auto_deinterlace_get_property; /** * GstAutoDeinterlace:layout: * * This selects which fields is the first in time. * */ g_object_class_install_property (gobject_class, PROP_LAYOUT, g_param_spec_enum ("layout", "layout", "Layout to use" " Note that if the underlying implementation doesn't support the property it will be ignored.", GST_TYPE_AUTO_DEINTERLACE_FIELD_LAYOUT, DEFAULT_LAYOUT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS) ); /** * GstAutoDeinterlace:fields: * * This selects which fields should be output. If "all" is selected * the output framerate will be double. */ g_object_class_install_property (gobject_class, PROP_FIELDS, g_param_spec_enum ("fields", "fields", "Fields to use for deinterlacing." " Note that if the underlying implementation doesn't support the property it will be ignored.", GST_TYPE_AUTO_DEINTERLACE_FIELDS, DEFAULT_FIELDS, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS) ); /** * GstAutoDeinterlace:mode: * * This selects whether the deinterlacing methods should * always be applied or if they should only be applied * on content that has the "interlaced" flag on the caps. */ g_object_class_install_property (gobject_class, PROP_MODE, g_param_spec_enum ("mode", "Mode", "Deinterlace Mode", GST_TYPE_AUTO_DEINTERLACE_MODES, DEFAULT_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS) ); gst_type_mark_as_plugin_api (GST_TYPE_AUTO_DEINTERLACE_FIELDS, 0); gst_type_mark_as_plugin_api (GST_TYPE_AUTO_DEINTERLACE_MODES, 0); gst_type_mark_as_plugin_api (GST_TYPE_AUTO_DEINTERLACE_FIELD_LAYOUT, 0); gst_element_class_set_static_metadata (gstelement_class, "Select deinterlacer, and converters based on caps", "Bin/Colorspace/Scale/Video/Converter/Deinterlace", "Selects the right deinterlacer based on caps", "Thibault Saunier "); gstbin_class->deep_element_added = gst_auto_deinterlace_deep_element_added; gstbin_class->deep_element_removed = gst_auto_deinterlace_deep_element_removed; } static void gst_auto_deinterlace_init (GstAutoDeinterlace * self) { gst_auto_deinterlace_register_filters (self); }