gstreamer/ext/lame/test-lame.c
Thomas Vander Stichele 908defa2c4 gst-indent
Original commit message from CVS:
gst-indent
2004-03-14 22:34:30 +00:00

111 lines
3.4 KiB
C

#include <gst/gst.h>
/*
* this example uses tee, fakesrc, fakesink and lame
*
* it requests a new pad from tee and attaches lame and fakesink
* after iterating
* it requests another one
* this is to test if the encoder is initialized ok when adding to a
* pipe that has played
*/
static void
error_callback (GObject * object, GstObject * orig, gchar * error)
{
g_print ("ERROR: %s: %s\n", GST_OBJECT_NAME (orig), error);
}
int
main (int argc, char *argv[])
{
GstElement *pipeline;
GstElement *src, *tee, *encoder1, *encoder2, *sink1, *sink2;
GstPad *teepad1, *teepad2;
GstCaps *caps;
gst_init (&argc, &argv);
/* create elements */
if (!(pipeline = gst_element_factory_make ("pipeline", "pipeline")))
return 1;
if (!(src = gst_element_factory_make ("fakesrc", "source")))
return 1;
if (!(tee = gst_element_factory_make ("tee", "tee")))
return 1;
if (!(encoder1 = gst_element_factory_make ("lame", "lame1")))
return 1;
if (!(encoder2 = gst_element_factory_make ("lame", "lame2")))
return 1;
if (!(sink1 = gst_element_factory_make ("fakesink", "sink1")))
return 1;
if (!(sink2 = gst_element_factory_make ("fakesink", "sink2")))
return 1;
pipeline = gst_pipeline_new ("pipeline");
g_signal_connect (pipeline, "error", G_CALLBACK (error_callback), NULL);
/* set up input */
g_print ("setting up input\n");
gst_bin_add (GST_BIN (pipeline), src);
gst_bin_add (GST_BIN (pipeline), tee);
gst_pad_link (gst_element_get_pad (src, "src"),
gst_element_get_pad (tee, "sink"));
/* set up fakesrc */
g_object_set (G_OBJECT (src), "filltype", 3, NULL);
g_object_set (G_OBJECT (src), "sizetype", 3, NULL);
/* set caps on fakesrc */
caps = GST_CAPS_NEW ("input audio",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
"rate", GST_PROPS_INT (44100),
"width", GST_PROPS_INT (16),
"depth", GST_PROPS_INT (16),
"law", GST_PROPS_INT (0),
"signed", GST_PROPS_BOOLEAN (TRUE), "channels", GST_PROPS_INT (1)
);
g_object_set (G_OBJECT (src), "sizetype", 3, "filltype", 3, NULL);
gst_element_set_state (pipeline, GST_STATE_READY);
g_print ("Setting caps on fakesrc's src pad\n");
if (gst_pad_try_set_caps (gst_element_get_pad (src, "src"), caps) <= 0)
g_print ("Could not set caps !\n");
/* request first pad from tee and connect */
g_print ("attaching first output pipe to tee\n");
teepad1 = gst_element_request_pad_by_name (tee, "src%d");
gst_bin_add (GST_BIN (pipeline), encoder1);
gst_bin_add (GST_BIN (pipeline), sink1);
gst_pad_link (teepad1, gst_element_get_pad (encoder1, "sink"));
gst_pad_link (gst_element_get_pad (encoder1, "src"),
gst_element_get_pad (sink1, "sink"));
gst_element_set_state (pipeline, GST_STATE_PLAYING);
/* iterate */
g_print ("iterate\n");
gst_bin_iterate (GST_BIN (pipeline));
gst_element_set_state (pipeline, GST_STATE_PAUSED);
/* request second pad and connect */
g_print ("attaching second output pipe to tee\n");
teepad2 = gst_element_request_pad_by_name (tee, "src%d");
gst_bin_add (GST_BIN (pipeline), encoder2);
gst_bin_add (GST_BIN (pipeline), sink2);
gst_pad_link (teepad2, gst_element_get_pad (encoder2, "sink"));
gst_pad_link (gst_element_get_pad (encoder2, "src"),
gst_element_get_pad (sink2, "sink"));
gst_element_set_state (pipeline, GST_STATE_PLAYING);
g_print ("iterate\n");
gst_bin_iterate (GST_BIN (pipeline));
g_print ("done\n");
return 0;
}