mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 15:51:11 +00:00
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
#include <stdlib.h>
|
|
#include <gst/gst.h>
|
|
|
|
gboolean playing;
|
|
|
|
/* eos will be called when the src element has an end of stream */
|
|
void
|
|
eos (GstElement * element, gpointer data)
|
|
{
|
|
g_print ("have eos, quitting\n");
|
|
|
|
playing = FALSE;
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GstElement *filesrc, *osssink, *queue, *parse, *decode;
|
|
GstElement *bin;
|
|
GstElement *thread;
|
|
|
|
gst_init (&argc, &argv);
|
|
|
|
if (argc != 2) {
|
|
g_print ("usage: %s <filename>\n", argv[0]);
|
|
exit (-1);
|
|
}
|
|
|
|
/* create a new thread to hold the elements */
|
|
thread = gst_thread_new ("thread");
|
|
g_assert (thread != NULL);
|
|
|
|
/* create a new bin to hold the elements */
|
|
bin = gst_bin_new ("bin");
|
|
g_assert (bin != NULL);
|
|
|
|
/* create a disk reader */
|
|
filesrc = gst_element_factory_make ("filesrc", "disk_source");
|
|
g_assert (filesrc != NULL);
|
|
g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
|
|
g_signal_connect (G_OBJECT (filesrc), "eos", G_CALLBACK (eos), thread);
|
|
|
|
queue = gst_element_factory_make ("queue", "queue");
|
|
|
|
/* and an audio sink */
|
|
osssink = gst_element_factory_make ("osssink", "play_audio");
|
|
g_assert (osssink != NULL);
|
|
|
|
parse = gst_element_factory_make ("mp3parse", "parse");
|
|
decode = gst_element_factory_make ("mpg123", "decode");
|
|
|
|
/* add objects to the main bin */
|
|
gst_bin_add (GST_BIN (bin), filesrc);
|
|
gst_bin_add (GST_BIN (bin), queue);
|
|
|
|
gst_bin_add (GST_BIN (thread), parse);
|
|
gst_bin_add (GST_BIN (thread), decode);
|
|
gst_bin_add (GST_BIN (thread), osssink);
|
|
|
|
gst_element_link_many (filesrc, queue, parse, decode, osssink, NULL);
|
|
|
|
/* make it ready */
|
|
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
|
|
/* start playing */
|
|
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
|
|
|
|
playing = TRUE;
|
|
|
|
while (playing) {
|
|
gst_bin_iterate (GST_BIN (bin));
|
|
}
|
|
|
|
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
|
|
|
|
exit (0);
|
|
}
|