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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
#include <stdlib.h>
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#include <gst/gst.h>
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/* this pipeline is:
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* { filesrc ! mad ! osssink }
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*/
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/* eos will be called when the src element has an end of stream */
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void eos(GstElement *element, gpointer data)
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{
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GstThread *thread = GST_THREAD (data);
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g_print("have eos, quitting\n");
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/* stop the bin */
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gst_element_set_state (GST_ELEMENT (thread), GST_STATE_NULL);
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gst_main_quit();
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}
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int main(int argc,char *argv[])
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{
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GstElement *filesrc, *osssink;
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GstElement *thread;
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GstElement *mad;
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gint x;
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gst_init(&argc,&argv);
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if (argc != 2) {
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g_print ("usage: %s <filename>\n", argv[0]);
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exit (-1);
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}
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/* create a new thread to hold the elements */
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thread = gst_thread_new ("thread");
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g_assert (thread != NULL);
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/* create a disk reader */
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filesrc = gst_element_factory_make ("filesrc", "disk_source");
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g_assert (filesrc != NULL);
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g_object_set (G_OBJECT (filesrc), "location", argv[1], NULL);
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g_signal_connect (G_OBJECT (filesrc), "eos",
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G_CALLBACK (eos), thread);
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/* and an audio sink */
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osssink = gst_element_factory_make ("osssink", "play_audio");
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g_assert (osssink != NULL);
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/* did i mention that this is an mp3 player? */
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mad = gst_element_factory_make ("mad", "mp3_decoder");
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g_assert (mad != NULL);
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gst_bin_add_many (GST_BIN (thread), filesrc, mad, osssink, NULL);
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gst_element_link_many (filesrc, mad, osssink, NULL);
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for (x = 0 ; x < 10 ; x++){
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g_print ("playing %d\n", x);
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gst_element_set_state (GST_ELEMENT (thread), GST_STATE_PLAYING);
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sleep (2);
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g_print ("pausing %d\n", x);
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gst_element_set_state (GST_ELEMENT (thread), GST_STATE_PAUSED);
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sleep (2);
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}
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exit (0);
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}
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