/* GStreamer Editing Services * Copyright (C) 2010 Brandon Lewis * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include #include typedef struct { int type; char *name; } transition_type; GESTimelineObject *make_source (char *path, guint64 start, guint64 duration, gint priority); GESTimelineObject *make_overlay (char *text, guint64 start, guint64 duration, gint priority); GESTimelinePipeline *make_timeline (char *path, float duration, char *text); GESTimelineObject * make_source (char *path, guint64 start, guint64 duration, gint priority) { char *uri = g_strdup_printf ("file://%s", path); GESTimelineObject *ret = GES_TIMELINE_OBJECT (ges_timeline_filesource_new (uri)); g_object_set (ret, "start", (guint64) start, "duration", (guint64) duration, "priority", (guint32) priority, "in-point", (guint64) 0, NULL); g_free (uri); return ret; } GESTimelineObject * make_overlay (char *text, guint64 start, guint64 duration, gint priority) { GESTimelineObject *ret = GES_TIMELINE_OBJECT (ges_timeline_text_overlay_new ()); g_object_set (ret, "text", (gchar *) text, "start", (guint64) start, "duration", (guint64) duration, "priority", (guint32) priority, "in-point", (guint64) 0, NULL); return ret; } GESTimelinePipeline * make_timeline (char *path, float duration, char *text) { GESTimeline *timeline; GESTrack *trackv, *tracka; GESTimelineLayer *layer1; GESTimelineObject *srca; GESTimelineObject *overlay; GESTimelinePipeline *pipeline; guint64 aduration; pipeline = ges_timeline_pipeline_new (); ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO); timeline = ges_timeline_new (); ges_timeline_pipeline_add_timeline (pipeline, timeline); trackv = ges_track_video_raw_new (); ges_timeline_add_track (timeline, trackv); tracka = ges_track_audio_raw_new (); ges_timeline_add_track (timeline, tracka); layer1 = GES_TIMELINE_LAYER (ges_timeline_layer_new ()); g_object_set (layer1, "priority", (gint32) 0, NULL); if (!ges_timeline_add_layer (timeline, layer1)) exit (-1); aduration = (guint64) (duration * GST_SECOND); srca = make_source (path, 0, aduration, 1); overlay = make_overlay (text, 0, aduration, 0); ges_timeline_layer_add_object (layer1, srca); ges_timeline_layer_add_object (layer1, overlay); return pipeline; } int main (int argc, char **argv) { GError *err = NULL; GOptionContext *ctx; GESTimelinePipeline *pipeline; GMainLoop *mainloop; gdouble duration; char *path, *text; GOptionEntry options[] = { {"duration", 'd', 0, G_OPTION_ARG_DOUBLE, &duration, "duration of transition", "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"}, {NULL} }; if (!g_thread_supported ()) g_thread_init (NULL); ctx = g_option_context_new ("- transition between two media files"); g_option_context_add_main_entries (ctx, options, NULL); g_option_context_add_group (ctx, gst_init_get_option_group ()); if (!g_option_context_parse (ctx, &argc, &argv, &err)) { g_print ("Error initializing %s\n", err->message); exit (1); } if (argc > 1) { g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL)); exit (0); } g_option_context_free (ctx); ges_init (); pipeline = make_timeline (path, duration, text); mainloop = g_main_loop_new (NULL, FALSE); g_timeout_add_seconds ((duration) + 1, (GSourceFunc) g_main_loop_quit, mainloop); gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); g_main_loop_run (mainloop); return 0; }