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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
#include <gnome.h>
#include <gst/gst.h>
GstElement *pipeline, *src, *parse;
GstElement *v_decode_thread, *v_decode_queue, *v_decode, *v_color;
GstElement *v_show_thread, *v_show_queue, *v_show;
GstElement *a_decode_thread, *a_decode_queue, *a_decode;
GstElement *a_sink_thread, *a_sink_queue, *a_sink;
GtkWidget *appwindow;
GtkWidget *gtk_socket;
void eof(GstElement *src) {
fprintf(stderr,"have eos, quitting\n");
exit(0);
}
gboolean idle_func(gpointer data) {
gst_bin_iterate(GST_BIN(data));
return TRUE;
}
int mpeg2parse_newpad(GstElement *parser,GstPad *pad, GstElement *pipeline) {
fprintf(stderr,"***** a new pad %s was created\n", gst_pad_get_name(pad));
if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
// build the decoder thread
v_decode_thread = GST_ELEMENT(gst_thread_new("v_decode_thread"));
g_return_val_if_fail(v_decode_thread != NULL, -1);
v_decode_queue = gst_elementfactory_make("queue","v_decode_queue");
g_return_val_if_fail(v_decode_queue != NULL, -1);
v_decode = gst_elementfactory_make("mpeg2dec","v_decode");
g_return_val_if_fail(v_decode != NULL, -1);
v_color = gst_elementfactory_make("colorspace","v_color");
g_return_val_if_fail(v_color != NULL, -1);
gst_bin_add(GST_BIN(v_decode_thread),GST_ELEMENT(v_decode_queue));
gst_bin_add(GST_BIN(v_decode_thread),GST_ELEMENT(v_decode));
gst_bin_add(GST_BIN(v_decode_thread),GST_ELEMENT(v_color));
gst_element_connect(v_decode_queue,"src",v_decode,"sink");
gst_element_connect(v_decode,"src",v_color,"sink");
gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
// build the show thread
v_show_thread = GST_ELEMENT(gst_thread_new("v_show_thread"));
g_return_val_if_fail(v_show_thread != NULL, -1);
v_show_queue = gst_elementfactory_make("queue","v_show_queue");
g_return_val_if_fail(v_show_queue != NULL, -1);
// v_show has ben created earlier
gst_bin_add(GST_BIN(v_show_thread),GST_ELEMENT(v_show_queue));
gst_bin_add(GST_BIN(v_show_thread),GST_ELEMENT(v_show));
gst_element_connect(v_show_queue,"src",v_show,"sink");
// now assemble the decoder threads
gst_bin_add(GST_BIN(v_decode_thread),v_show_thread);
gst_element_connect(v_color,"src",v_show_queue,"sink");
gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
gst_schedule_show(GST_ELEMENT_SCHED(v_show_thread));
// connect the whole thing to the main pipeline
gst_pad_connect(pad, gst_element_get_pad(v_decode_queue,"sink"));
gst_bin_add(GST_BIN(pipeline),v_decode_thread);
gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
gst_schedule_show(GST_ELEMENT_SCHED(v_show_thread));
// start it playing
gst_element_set_state(v_decode_thread,GST_STATE_PLAYING);
} else if (strcmp(gst_pad_get_name(pad), "private_stream_1.0") == 0) {
// build the decoder thread
a_decode_thread = GST_ELEMENT(gst_thread_new("a_decode_thread"));
g_return_val_if_fail(a_decode_thread != NULL, -1);
a_decode_queue = gst_elementfactory_make("queue","a_decode_queue");
g_return_val_if_fail(a_decode_queue != NULL, -1);
a_decode = gst_elementfactory_make("ac3dec","a_decode");
g_return_val_if_fail(a_decode != NULL, -1);
gst_bin_add(GST_BIN(a_decode_thread),GST_ELEMENT(a_decode_queue));
gst_bin_add(GST_BIN(a_decode_thread),GST_ELEMENT(a_decode));
gst_element_connect(a_decode_queue,"src",a_decode,"sink");
gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
// build the sink thread
a_sink_thread = GST_ELEMENT(gst_thread_new("a_sink_thread"));
g_return_val_if_fail(a_sink_thread != NULL, -1);
a_sink_queue = gst_elementfactory_make("queue","a_sink_queue");
g_return_val_if_fail(a_sink_queue != NULL, -1);
a_sink = gst_elementfactory_make("esdsink","a_sink");
g_return_val_if_fail(a_sink != NULL, -1);
gst_bin_add(GST_BIN(a_sink_thread),GST_ELEMENT(a_sink_queue));
gst_bin_add(GST_BIN(a_sink_thread),GST_ELEMENT(a_sink));
gst_element_connect(a_sink_queue,"src",a_sink,"sink");
// now assemble the decoder threads
gst_bin_add(GST_BIN(a_decode_thread),a_sink_thread);
gst_element_connect(a_decode,"src",a_sink_queue,"sink");
gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
gst_schedule_show(GST_ELEMENT_SCHED(a_sink_thread));
// connect the whole thing to the main pipeline
gst_pad_connect(pad, gst_element_get_pad(a_decode_queue,"sink"));
gst_bin_add(GST_BIN(pipeline),a_decode_thread);
gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
gst_schedule_show(GST_ELEMENT_SCHED(a_sink_thread));
// start it playing
gst_element_set_state(a_decode_thread,GST_STATE_PLAYING);
}
if (v_decode_thread && a_decode_thread) {
xmlSaveFile("mpeg2parse4.gst", gst_xml_write(GST_ELEMENT(pipeline)));
fprintf(stderr,"DUMP OF ALL SCHEDULES!!!:\n");
gst_schedule_show(GST_ELEMENT_SCHED(pipeline));
gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
gst_schedule_show(GST_ELEMENT_SCHED(v_show_thread));
gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
gst_schedule_show(GST_ELEMENT_SCHED(a_sink_thread));
}
return 0;
}
void mpeg2parse_have_size(GstElement *videosink,gint width,gint height) {
gtk_widget_set_usize(gtk_socket,width,height);
gtk_widget_show_all(appwindow);
}
int main(int argc,char *argv[]) {
g_print("have %d args\n",argc);
gst_init(&argc,&argv);
gnome_init("MPEG2 Video player","0.0.1",argc,argv);
// ***** construct the main pipeline *****
pipeline = gst_pipeline_new("pipeline");
g_return_val_if_fail(pipeline != NULL, -1);
if (strstr(argv[1],"video_ts")) {
src = gst_elementfactory_make("dvdsrc","src");
g_print("using DVD source\n");
} else {
src = gst_elementfactory_make("disksrc","src");
}
g_return_val_if_fail(src != NULL, -1);
gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
if (argc >= 3) {
gtk_object_set(GTK_OBJECT(src),"bytesperread",atoi(argv[2]),NULL);
g_print("block size is %d\n",atoi(argv[2]));
}
g_print("should be using file '%s'\n",argv[1]);
parse = gst_elementfactory_make("mpeg2parse","parse");
//parse = gst_elementfactory_make("mpeg1parse","parse");
g_return_val_if_fail(parse != NULL, -1);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
gst_element_connect(src,"src",parse,"sink");
// create v_show early so we can get and connect stuff
v_show = gst_elementfactory_make("xvideosink","v_show");
g_return_val_if_fail(v_show != NULL, -1);
// ***** construct the GUI *****
appwindow = gnome_app_new("MPEG player","MPEG player");
gtk_socket = gtk_socket_new ();
gtk_widget_show (gtk_socket);
gnome_app_set_contents(GNOME_APP(appwindow),
GTK_WIDGET(gtk_socket));
gtk_widget_realize (gtk_socket);
gtk_socket_steal (GTK_SOCKET (gtk_socket),
gst_util_get_int_arg (GTK_OBJECT(v_show), "xid"));
gtk_signal_connect(GTK_OBJECT(parse),"new_pad",mpeg2parse_newpad, pipeline);
gtk_signal_connect(GTK_OBJECT(src),"eos",GTK_SIGNAL_FUNC(eof),NULL);
gtk_signal_connect(GTK_OBJECT(v_show),"have_size",mpeg2parse_have_size, pipeline);
fprintf(stderr,"setting to PLAYING state\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
gtk_idle_add(idle_func,pipeline);
gdk_threads_enter();
gtk_main();
gdk_threads_leave();
return 0;
}
|
