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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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85 lines
2.1 KiB
C
85 lines
2.1 KiB
C
#include <stdlib.h>
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#include <gst/gst.h>
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gboolean playing;
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/* eos will be called when the src element has an end of stream */
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void
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eos (GstElement * element, gpointer data)
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{
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g_print ("have eos, quitting\n");
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playing = FALSE;
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}
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int
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main (int argc, char *argv[])
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{
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GstElement *filesrc, *osssink, *queue, *queue2, *parse, *decode;
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GstElement *bin;
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GstElement *thread, *thread2;
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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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thread2 = gst_thread_new ("thread2");
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g_assert (thread2 != NULL);
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/* create a new bin to hold the elements */
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bin = gst_bin_new ("bin");
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g_assert (bin != 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", G_CALLBACK (eos), thread);
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queue = gst_element_factory_make ("queue", "queue");
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queue2 = gst_element_factory_make ("queue", "queue2");
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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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parse = gst_element_factory_make ("mp3parse", "parse");
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decode = gst_element_factory_make ("mpg123", "decode");
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/* add objects to the main bin */
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gst_bin_add (GST_BIN (bin), filesrc);
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gst_bin_add (GST_BIN (bin), queue);
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gst_bin_add (GST_BIN (thread), parse);
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gst_bin_add (GST_BIN (thread), decode);
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gst_bin_add (GST_BIN (thread), queue2);
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gst_bin_add (GST_BIN (thread2), osssink);
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gst_element_link_many (filesrc, queue, parse, decode, queue2, osssink, NULL);
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gst_bin_add (GST_BIN (bin), thread);
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gst_bin_add (GST_BIN (bin), thread2);
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/* make it ready */
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
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/* start playing */
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
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playing = TRUE;
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while (playing) {
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gst_bin_iterate (GST_BIN (bin));
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}
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gst_element_set_state (GST_ELEMENT (bin), GST_STATE_NULL);
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exit (0);
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}
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