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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2010 Brandon Lewis <brandon@alum.berkeley.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <stdlib.h>
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#include <ges/ges.h>
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typedef struct
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{
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int type;
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char *name;
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} transition_type;
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GESClip *make_source (char *path, guint64 start, guint64 duration,
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gint priority, gchar * text);
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GESTimelinePipeline *make_timeline (char *path, float duration, char *text);
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GESClip *
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make_source (char *path, guint64 start, guint64 duration, gint priority,
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gchar * text)
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{
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gchar *uri = gst_filename_to_uri (path, NULL);
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GESClip *ret = GES_CLIP (ges_uri_clip_new (uri));
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g_object_set (ret,
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"start", (guint64) start,
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"duration", (guint64) duration,
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"priority", (guint32) priority, "in-point", (guint64) 0,
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"text", text, NULL);
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g_free (uri);
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return ret;
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}
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GESTimelinePipeline *
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make_timeline (char *path, float duration, char *text)
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{
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GESTimeline *timeline;
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GESTrack *trackv, *tracka;
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GESLayer *layer1;
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GESClip *srca;
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GESTimelinePipeline *pipeline;
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guint64 aduration;
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pipeline = ges_timeline_pipeline_new ();
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ges_timeline_pipeline_set_mode (pipeline, TIMELINE_MODE_PREVIEW_VIDEO);
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timeline = ges_timeline_new ();
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ges_timeline_pipeline_add_timeline (pipeline, timeline);
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trackv = ges_track_video_raw_new ();
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ges_timeline_add_track (timeline, trackv);
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tracka = ges_track_audio_raw_new ();
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ges_timeline_add_track (timeline, tracka);
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layer1 = GES_LAYER (ges_layer_new ());
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g_object_set (layer1, "priority", (gint32) 0, NULL);
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if (!ges_timeline_add_layer (timeline, layer1))
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exit (-1);
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aduration = (guint64) (duration * GST_SECOND);
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srca = make_source (path, 0, aduration, 1, text);
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ges_layer_add_clip (layer1, srca);
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return pipeline;
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}
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int
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main (int argc, char **argv)
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{
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GError *err = NULL;
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GOptionContext *ctx;
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GESTimelinePipeline *pipeline;
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GMainLoop *mainloop;
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gdouble duration;
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char *path, *text;
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GOptionEntry options[] = {
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{"duration", 'd', 0, G_OPTION_ARG_DOUBLE, &duration,
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"duration of transition", "seconds"},
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{"path", 'p', 0, G_OPTION_ARG_STRING, &path,
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"path to file", "path"},
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{"text", 't', 0, G_OPTION_ARG_STRING, &text,
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"text to render", "text"},
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{NULL}
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};
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ctx = g_option_context_new ("- transition between two media files");
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g_option_context_add_main_entries (ctx, options, NULL);
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g_option_context_add_group (ctx, gst_init_get_option_group ());
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if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
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g_print ("Error initializing %s\n", err->message);
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exit (1);
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}
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if (argc > 1) {
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g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL));
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exit (0);
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}
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g_option_context_free (ctx);
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ges_init ();
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pipeline = make_timeline (path, duration, text);
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mainloop = g_main_loop_new (NULL, FALSE);
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g_timeout_add_seconds ((duration) + 1, (GSourceFunc) g_main_loop_quit,
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mainloop);
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gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
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g_main_loop_run (mainloop);
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return 0;
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}
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