examples: add xpos and ypos options to overlay example

This commit is contained in:
Luis de Bethencourt 2011-08-08 18:57:37 +02:00
parent 63a82c5274
commit be381792aa

View file

@ -30,10 +30,13 @@ GESTimelineObject *make_source (char *path, guint64 start, guint64 duration,
gint priority);
GESTimelineObject *make_overlay (char *text, guint64 start, guint64 duration,
gint priority, guint32 color);
gint priority, guint32 color, gdouble xpos, gdouble ypos);
GESTimelinePipeline *make_timeline (char *path, float duration, char *text,
guint32 color);
guint32 color, gdouble xpos, gdouble ypos);
#define DEFAULT_DURATION 5
#define DEFAULT_POS 0.5
GESTimelineObject *
make_source (char *path, guint64 start, guint64 duration, gint priority)
@ -55,7 +58,7 @@ make_source (char *path, guint64 start, guint64 duration, gint priority)
GESTimelineObject *
make_overlay (char *text, guint64 start, guint64 duration, gint priority,
guint32 color)
guint32 color, gdouble xpos, gdouble ypos)
{
GESTimelineObject *ret =
GES_TIMELINE_OBJECT (ges_timeline_text_overlay_new ());
@ -65,13 +68,18 @@ make_overlay (char *text, guint64 start, guint64 duration, gint priority,
"start", (guint64) start,
"duration", (guint64) duration,
"priority", (guint32) priority,
"in-point", (guint64) 0, "color", (guint32) color, NULL);
"in-point", (guint64) 0,
"color", (guint32) color,
"valignment", (gint) GES_TEXT_VALIGN_POSITION,
"halignment", (gint) GES_TEXT_HALIGN_POSITION,
"xpos", (gdouble) xpos, "ypos", (gdouble) ypos, NULL);
return ret;
}
GESTimelinePipeline *
make_timeline (char *path, float duration, char *text, guint32 color)
make_timeline (char *path, float duration, char *text, guint32 color,
gdouble xpos, gdouble ypos)
{
GESTimeline *timeline;
GESTrack *trackv, *tracka;
@ -102,7 +110,7 @@ make_timeline (char *path, float duration, char *text, guint32 color)
aduration = (guint64) (duration * GST_SECOND);
srca = make_source (path, 0, aduration, 1);
overlay = make_overlay (text, 0, aduration, 0, color);
overlay = make_overlay (text, 0, aduration, 0, color, xpos, ypos);
ges_timeline_layer_add_object (layer1, srca);
ges_timeline_layer_add_object (layer1, overlay);
@ -116,26 +124,31 @@ main (int argc, char **argv)
GOptionContext *ctx;
GESTimelinePipeline *pipeline;
GMainLoop *mainloop;
gdouble duration;
gdouble duration = DEFAULT_DURATION;
char *path, *text;
guint64 color;
gdouble xpos = DEFAULT_POS, ypos = DEFAULT_POS;
GOptionEntry options[] = {
{"duration", 'd', 0, G_OPTION_ARG_DOUBLE, &duration,
"duration of transition", "seconds"},
"duration of segment", "seconds"},
{"path", 'p', 0, G_OPTION_ARG_STRING, &path,
"path to file", "path"},
{"text", 't', 0, G_OPTION_ARG_STRING, &text,
"text to render", "text"},
{"color", 'c', 0, G_OPTION_ARG_INT64, &color,
"color of the text", "color"},
{"xpos", 'x', 0, G_OPTION_ARG_DOUBLE, &xpos,
"horizontal position of the text", "color"},
{"ypos", 'y', 0, G_OPTION_ARG_DOUBLE, &ypos,
"vertical position of the text", "color"},
{NULL}
};
if (!g_thread_supported ())
g_thread_init (NULL);
ctx = g_option_context_new ("- transition between two media files");
ctx = g_option_context_new ("- file segment playback with text overlay");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gst_init_get_option_group ());
@ -153,7 +166,7 @@ main (int argc, char **argv)
ges_init ();
pipeline = make_timeline (path, duration, text, color);
pipeline = make_timeline (path, duration, text, color, xpos, ypos);
mainloop = g_main_loop_new (NULL, FALSE);
g_timeout_add_seconds ((duration) + 1, (GSourceFunc) g_main_loop_quit,