1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon@alum.berkeley.edu>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <stdlib.h>
#include <ges/ges.h>
typedef struct
{
int type;
char *name;
} transition_type;
GESClip *make_source (char *path, guint64 start, guint64 duration,
gint priority, gchar * text);
GESPipeline *make_timeline (char *path, float duration, char *text);
GESClip *
make_source (char *path, guint64 start, guint64 duration, gint priority,
gchar * text)
{
gchar *uri = gst_filename_to_uri (path, NULL);
GESClip *ret = GES_CLIP (ges_uri_clip_new (uri));
g_object_set (ret,
"start", (guint64) start,
"duration", (guint64) duration,
"priority", (guint32) priority, "in-point", (guint64) 0,
"text", text, NULL);
g_free (uri);
return ret;
}
GESPipeline *
make_timeline (char *path, float duration, char *text)
{
GESTimeline *timeline;
GESTrack *trackv, *tracka;
GESLayer *layer1;
GESClip *srca;
GESPipeline *pipeline;
guint64 aduration;
pipeline = ges_pipeline_new ();
ges_pipeline_set_mode (pipeline, GES_PIPELINE_MODE_PREVIEW_VIDEO);
timeline = ges_timeline_new ();
ges_pipeline_set_timeline (pipeline, timeline);
trackv = GES_TRACK (ges_video_track_new ());
ges_timeline_add_track (timeline, trackv);
tracka = GES_TRACK (ges_audio_track_new ());
ges_timeline_add_track (timeline, tracka);
layer1 = GES_LAYER (ges_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, text);
ges_layer_add_clip (layer1, srca);
return pipeline;
}
int
main (int argc, char **argv)
{
GError *err = NULL;
GOptionContext *ctx;
GESPipeline *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}
};
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);
g_option_context_free (ctx);
g_clear_error (&err);
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;
}
|
