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ges/ges-timeline-transition.c: initialize vtype enum type from static list of
GEnumValues
This commit is contained in:
Brandon Lewis
Edward Hervey
parent
b814e287e3
commit
221df1b880
1 changed files with 308 additions and 70 deletions
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@ -152,91 +152,329 @@ ges_tl_transition_create_track_object (GESTimelineObject * obj,
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return res;
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}
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GESTimelineTransition *
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ges_timeline_transition_new (gint vtype)
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{
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GESTimelineTransition *ret = g_object_new
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(GES_TYPE_TIMELINE_TRANSITION, NULL);
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g_object_set (ret, "vtype", (gint) vtype, NULL);
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return ret;
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}
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static GEnumClass *smpte_enum_class = NULL;
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static void
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_ensure_smpte_enum_class ()
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{
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/* is there a better way to do this? */
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if (!smpte_enum_class) {
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GstElement *element = gst_element_factory_make ("smpte", NULL);
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GstElementClass *element_class = GST_ELEMENT_GET_CLASS (element);
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GParamSpec *pspec =
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g_object_class_find_property (G_OBJECT_CLASS (element_class), "type");
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smpte_enum_class = G_ENUM_CLASS (g_type_class_ref (pspec->value_type));
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}
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}
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static GEnumValue transition_types[] = {
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{
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1,
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"A bar moves from left to right",
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"bar-wipe-lr"},
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{
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2,
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"A bar moves from top to bottom",
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"bar-wipe-tb"},
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{
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3,
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"A box expands from the upper-left corner to the lower-right corner",
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"box-wipe-tl"},
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{
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4,
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"A box expands from the upper-right corner to the lower-left corner",
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"box-wipe-tr"},
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{
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5,
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"A box expands from the lower-right corner to the upper-left corner",
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"box-wipe-br"},
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{
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6,
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"A box expands from the lower-left corner to the upper-right corner",
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"box-wipe-bl"},
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{
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7,
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"A box shape expands from each of the four corners toward the center",
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"four-box-wipe-ci"},
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{
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8,
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"A box shape expands from the center of each quadrant toward the corners of each quadrant",
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"four-box-wipe-co"},
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{
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21,
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"A central, vertical line splits and expands toward the left and right edges",
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"barndoor-v"},
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{
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22,
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"A central, horizontal line splits and expands toward the top and bottom edges",
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"barndoor-h"},
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{
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23,
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"A box expands from the top edge's midpoint to the bottom corners",
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"box-wipe-tc"},
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{
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24,
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"A box expands from the right edge's midpoint to the left corners",
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"box-wipe-rc"},
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{
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25,
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"A box expands from the bottom edge's midpoint to the top corners",
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"box-wipe-bc"},
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{
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26,
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"A box expands from the left edge's midpoint to the right corners",
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"box-wipe-lc"},
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{
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41,
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"A diagonal line moves from the upper-left corner to the lower-right corner",
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"diagonal-tl"},
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{
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42,
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"A diagonal line moves from the upper right corner to the lower-left corner",
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"diagonal-tr"},
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{
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43,
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"Two wedge shapes slide in from the top and bottom edges toward the center",
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"bowtie-v"},
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{
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44,
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"Two wedge shapes slide in from the left and right edges toward the center",
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"bowtie-h"},
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{
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45,
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"A diagonal line from the lower-left to upper-right corners splits and expands toward the opposite corners",
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"barndoor-dbl"},
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{
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46,
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"A diagonal line from upper-left to lower-right corners splits and expands toward the opposite corners",
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"barndoor-dtl"},
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{
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47,
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"Four wedge shapes split from the center and retract toward the four edges",
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"misc-diagonal-dbd"},
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{
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48,
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"A diamond connecting the four edge midpoints simultaneously contracts toward the center and expands toward the edges",
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"misc-diagonal-dd"},
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{
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61,
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"A wedge shape moves from top to bottom",
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"vee-d"},
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{
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62,
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"A wedge shape moves from right to left",
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"vee-l"},
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{
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63,
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"A wedge shape moves from bottom to top",
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"vee-u"},
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{
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64,
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"A wedge shape moves from left to right",
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"vee-r"},
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{
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65,
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"A 'V' shape extending from the bottom edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
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"barnvee-d"},
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{
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66,
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"A 'V' shape extending from the left edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
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"barnvee-l"},
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{
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67,
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"A 'V' shape extending from the top edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
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"barnvee-u"},
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{
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68,
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"A 'V' shape extending from the right edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
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"barnvee-r"},
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{
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101,
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"A rectangle expands from the center.",
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"iris-rect"},
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{
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201,
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"A radial hand sweeps clockwise from the twelve o'clock position",
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"clock-cw12"},
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{
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202,
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"A radial hand sweeps clockwise from the three o'clock position",
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"clock-cw3"},
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{
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203,
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"A radial hand sweeps clockwise from the six o'clock position",
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"clock-cw6"},
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{
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204,
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"A radial hand sweeps clockwise from the nine o'clock position",
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"clock-cw9"},
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{
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205,
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"Two radial hands sweep clockwise from the twelve and six o'clock positions",
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"pinwheel-tbv"},
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{
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206,
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"Two radial hands sweep clockwise from the nine and three o'clock positions",
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"pinwheel-tbh"},
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{
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207,
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"Four radial hands sweep clockwise",
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"pinwheel-fb"},
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{
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211,
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"A fan unfolds from the top edge, the fan axis at the center",
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"fan-ct"},
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{
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212,
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"A fan unfolds from the right edge, the fan axis at the center",
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"fan-cr"},
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{
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213,
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"Two fans, their axes at the center, unfold from the top and bottom",
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"doublefan-fov"},
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{
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214,
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"Two fans, their axes at the center, unfold from the left and right",
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"doublefan-foh"},
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{
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221,
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"A radial hand sweeps clockwise from the top edge's midpoint",
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"singlesweep-cwt"},
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{
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222,
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"A radial hand sweeps clockwise from the right edge's midpoint",
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"singlesweep-cwr"},
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{
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223,
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"A radial hand sweeps clockwise from the bottom edge's midpoint",
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"singlesweep-cwb"},
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{
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224,
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"A radial hand sweeps clockwise from the left edge's midpoint",
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"singlesweep-cwl"},
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{
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225,
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"Two radial hands sweep clockwise and counter-clockwise from the top and bottom edges' midpoints",
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"doublesweep-pv"},
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{
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226,
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"Two radial hands sweep clockwise and counter-clockwise from the left and right edges' midpoints",
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"doublesweep-pd"},
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{
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227,
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"Two radial hands attached at the top and bottom edges' midpoints sweep from right to left",
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"doublesweep-ov"},
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{
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228,
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"Two radial hands attached at the left and right edges' midpoints sweep from top to bottom",
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"doublesweep-oh"},
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{
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231,
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"A fan unfolds from the bottom, the fan axis at the top edge's midpoint",
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"fan-t"},
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{
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232,
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"A fan unfolds from the left, the fan axis at the right edge's midpoint",
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"fan-r"},
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{
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233,
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"A fan unfolds from the top, the fan axis at the bottom edge's midpoint",
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"fan-b"},
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{
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234,
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"A fan unfolds from the right, the fan axis at the left edge's midpoint",
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"fan-l"},
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{
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235,
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"Two fans, their axes at the top and bottom, unfold from the center",
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"doublefan-fiv"},
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{
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236,
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"Two fans, their axes at the left and right, unfold from the center",
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"doublefan-fih"},
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{
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241,
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"A radial hand sweeps clockwise from the upper-left corner",
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"singlesweep-cwtl"},
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{
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242,
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"A radial hand sweeps counter-clockwise from the lower-left corner.",
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"singlesweep-cwbl"},
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{
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243,
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"A radial hand sweeps clockwise from the lower-right corner",
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"singlesweep-cwbr"},
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{
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244,
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"A radial hand sweeps counter-clockwise from the upper-right corner",
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"singlesweep-cwtr"},
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{
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245,
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"Two radial hands attached at the upper-left and lower-right corners sweep down and up",
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"doublesweep-pdtl"},
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{
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246,
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"Two radial hands attached at the lower-left and upper-right corners sweep down and up",
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"doublesweep-pdbl"},
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{
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251,
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"Two radial hands attached at the upper-left and upper-right corners sweep down",
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"saloondoor-t"},
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{
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252,
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"Two radial hands attached at the upper-left and lower-left corners sweep to the right",
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"saloondoor-l"},
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{
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253,
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"Two radial hands attached at the lower-left and lower-right corners sweep up",
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"saloondoor-b"},
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{
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254,
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"Two radial hands attached at the upper-right and lower-right corners sweep to the left",
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"saloondoor-r"},
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{
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261,
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"Two radial hands attached at the midpoints of the top and bottom halves sweep from right to left",
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"windshield-r"},
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{
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262,
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"Two radial hands attached at the midpoints of the left and right halves sweep from top to bottom",
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"windshield-u"},
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{
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263,
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"Two sets of radial hands attached at the midpoints of the top and bottom halves sweep from top to bottom and bottom to top",
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"windshield-v"},
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{
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264,
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"Two sets of radial hands attached at the midpoints of the left and right halves sweep from left to right and right to left",
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"windshield-h"},
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{
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VTYPE_CROSSFADE,
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"Crossfade between two clips",
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"crossfade"},
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{0, NULL, NULL}
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};
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/* how many types could GType type if GType could type types? */
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static GType
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ges_type_timeline_transition_vtype_get_type (void)
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{
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_ensure_smpte_enum_class ();
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static GType the_type = 0;
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static gsize once = 0;
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if (!the_type) {
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GEnumValue *values, *src, *dst;
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gint i, n;
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if (g_once_init_enter (&once)) {
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g_assert (!once);
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n = smpte_enum_class->n_values;
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/* plus one for sentinel, plus another for the crossfade GEnumValue */
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values = g_new0 (GEnumValue, 2 + n);
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for (i = 0, dst = values, src = smpte_enum_class->values; i < n;
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i++, dst++, src++) {
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dst->value = src->value;
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dst->value_nick = src->value_nick;
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dst->value_name = src->value_name;
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}
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dst->value = VTYPE_CROSSFADE;
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dst->value_name = "Cross-fade between two sources";
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dst->value_nick = "crossfade";
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dst++;
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dst->value = 0;
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dst->value_nick = NULL;
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dst->value_name = NULL;
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the_type = g_enum_register_static ("GESTimelineTransitionVType", values);
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the_type = g_enum_register_static ("GESTimelineTransitionVType",
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transition_types);
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g_once_init_leave (&once, 1);
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}
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return the_type;
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}
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GESTimelineTransition *
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ges_timeline_transition_new_for_nick (char *nick)
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ges_timeline_transition_new (gint vtype)
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{
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GESTimelineTransition *ret;
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_ensure_smpte_enum_class ();
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if (!strcmp ("crossfade", nick)) {
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return ges_timeline_transition_new (VTYPE_CROSSFADE);
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}
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GEnumValue *value = g_enum_get_value_by_nick (smpte_enum_class, nick);
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if (!value) {
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return NULL;
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}
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return ges_timeline_transition_new (value->value);
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ret = g_object_new (GES_TYPE_TIMELINE_TRANSITION, "vtype", (gint) vtype,
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NULL);
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return ret;
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}
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GESTimelineTransition *
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ges_timeline_transition_new_for_nick (gchar * nick)
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{
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GESTimelineTransition *ret;
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ret = g_object_new (GES_TYPE_TIMELINE_TRANSITION, NULL);
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g_object_set (ret, "vtype", (gchar *) nick, NULL);
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return ret;
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}
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