Footage information panel

Displays such information as current frame dimension,
frame number within image sequence/movie and in case
of image sequence input displays current file name of
a frame.

Not entirely happy with such approach, but was requested
a lot by artists.

3 files changed, 66 insertions, 0 deletions

diff --git a/source/blender/editors/include/UI_interface.h b/source/blender/editors/include/UI_interface.h
index c7ed60bcdc0..f007b5ad5a7 100644
--- a/source/blender/editors/include/UI_interface.h
+++ b/source/blender/editors/include/UI_interface.h
@@ -855,6 +855,7 @@ void uiTemplateTextureShow(uiLayout *layout, struct bContext *C, struct PointerR
 void uiTemplateMovieClip(struct uiLayout *layout, struct bContext *C, struct PointerRNA *ptr, const char *propname, int compact);
 void uiTemplateTrack(struct uiLayout *layout, struct PointerRNA *ptr, const char *propname);
 void uiTemplateMarker(struct uiLayout *layout, struct PointerRNA *ptr, const char *propname, PointerRNA *userptr, PointerRNA *trackptr, int cmpact);
+void uiTemplateMovieclipInformation(struct uiLayout *layout, struct PointerRNA *ptr, const char *propname,struct PointerRNA *userptr);
 
 void uiTemplateColorspaceSettings(struct uiLayout *layout, struct PointerRNA *ptr, const char *propname);
 void uiTemplateColormanagedViewSettings(struct uiLayout *layout, struct bContext *C, struct PointerRNA *ptr, const char *propname);
diff --git a/source/blender/editors/space_clip/clip_buttons.c b/source/blender/editors/space_clip/clip_buttons.c
index 8d863193b76..c8eb4157d65 100644
--- a/source/blender/editors/space_clip/clip_buttons.c
+++ b/source/blender/editors/space_clip/clip_buttons.c
@@ -41,7 +41,9 @@
 #include "BLI_math.h"
 #include "BLI_utildefines.h"
 #include "BLI_listbase.h"
+#include "BLI_path_util.h"
 #include "BLI_rect.h"
+#include "BLI_string.h"
 
 #include "BLF_translation.h"
 
@@ -482,3 +484,60 @@ void uiTemplateMarker(uiLayout *layout, PointerRNA *ptr, const char *propname, P
 		uiBlockEndAlign(block);
 	}
 }
+
+/********************* Footage Information Template ************************/
+
+void uiTemplateMovieclipInformation(uiLayout *layout, PointerRNA *ptr, const char *propname, PointerRNA *userptr)
+{
+	PropertyRNA *prop;
+	PointerRNA clipptr;
+	MovieClip *clip;
+	MovieClipUser *user;
+	uiLayout *col;
+	char str[1024];
+	int width, height, framenr;
+
+	if (!ptr->data)
+		return;
+
+	prop = RNA_struct_find_property(ptr, propname);
+	if (!prop) {
+		printf("%s: property not found: %s.%s\n",
+		       __func__, RNA_struct_identifier(ptr->type), propname);
+		return;
+	}
+
+	if (RNA_property_type(prop) != PROP_POINTER) {
+		printf("%s: expected pointer property for %s.%s\n",
+		       __func__, RNA_struct_identifier(ptr->type), propname);
+		return;
+	}
+
+	clipptr = RNA_property_pointer_get(ptr, prop);
+	clip = (MovieClip *)clipptr.data;
+	user = userptr->data;
+
+	col = uiLayoutColumn(layout, FALSE);
+
+	/* Display frame dimensions. */
+	BKE_movieclip_get_size(clip, user, &width, &height);
+	BLI_snprintf(str, sizeof(str), IFACE_("Size: %dx%d"), width, height);
+	uiItemL(col, str, ICON_NONE);
+
+	/* Display current frame number. */
+	framenr = BKE_movieclip_remap_scene_to_clip_frame(clip, user->framenr) + clip->frame_offset;
+	BLI_snprintf(str, sizeof(str), IFACE_("Frame: %d"), framenr);
+	uiItemL(col, str, ICON_NONE);
+
+	/* Display current file name if it's a sequence clip. */
+	if (clip->source == MCLIP_SRC_SEQUENCE) {
+		char filepath[FILE_MAX];
+		const char *file;
+
+		BKE_movieclip_filename_for_frame(clip, user, filepath);
+		file = BLI_last_slash(filepath);
+
+		BLI_snprintf(str, sizeof(str), IFACE_("File: %s"), file);
+		uiItemL(col, str, ICON_NONE);
+	}
+}
diff --git a/source/blender/makesrna/intern/rna_ui_api.c b/source/blender/makesrna/intern/rna_ui_api.c
index 9c354e7f70e..c5c8789001a 100644
--- a/source/blender/makesrna/intern/rna_ui_api.c
+++ b/source/blender/makesrna/intern/rna_ui_api.c
@@ -767,6 +767,12 @@ void RNA_api_ui_layout(StructRNA *srna)
 	RNA_def_property_flag(parm, PROP_REQUIRED | PROP_RNAPTR | PROP_NEVER_NULL);
 	RNA_def_boolean(func, "compact", 0, "", "Use more compact layout");
 
+	func = RNA_def_function(srna, "template_movieclip_information", "uiTemplateMovieclipInformation");
+	RNA_def_function_ui_description(func, "Item. Movie clip information data.");
+	api_ui_item_rna_common(func);
+	parm = RNA_def_pointer(func, "clip_user", "MovieClipUser", "", "");
+	RNA_def_property_flag(parm, PROP_REQUIRED | PROP_RNAPTR | PROP_NEVER_NULL);
+
 	func = RNA_def_function(srna, "template_list", "uiTemplateList");
 	RNA_def_function_ui_description(func, "Item. A list widget to display data, e.g. vertexgroups.");
 	RNA_def_function_flag(func, FUNC_USE_CONTEXT);