[gst-devel] how to package media data into fakesrc
ma.xiaobo at zte.com.cn
ma.xiaobo at zte.com.cn
Tue May 23 04:18:06 CEST 2006
my application is just like the following,but nothing display ,what's
wrong with my application. would you please give me
one suggestion,thanks a lot
0.gst_init
1. create the pipeline
2. call gst_element_factory_make to create the fakesrc, mpeg2decoder,
mpeg2sink
3. call gst_bus_add_watch
4. call gst_bin_add_many and gst_element_link_many
5. call g_object_set( G_OBJECT(fakesrc),
"signal-handoffs",TRUE,
"sizemax",1316,
"sizetype",2,
NULL);
6. call g_signal_connect(fakesrc,"handoff",G_CALLBACK(cb_handoff),NULL);
7. read the mpeg2 file and store the media data into one buffer
8. for(i = 0; i < num; i ++) //num is the number of
the file buffer num = filesize/1316
{
memcpy(GST_BUFFER_DATA(gbuf), ptr, 1316); //gbuf is the pointer
that point to fakesrc buffer
//ptr is the pointer that
point to the file data
g_printf("222222222\n");
ptr += 1316;
sleep(3);
g_main_iteration(TRUE);
}
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