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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
#include <stdlib.h>
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#include <gst/gst.h>
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int main(int argc,char *argv[])
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{
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GstElement *disksrc, *osssink, *parse, *decode, *queue;
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GstElement *bin;
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GstElement *thread;
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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 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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disksrc = gst_elementfactory_make("disksrc", "disk_source");
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g_assert(disksrc != NULL);
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g_object_set(G_OBJECT(disksrc),"location", argv[1],NULL);
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parse = gst_elementfactory_make("mp3parse", "parse");
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decode = gst_elementfactory_make("mpg123", "decode");
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queue = gst_elementfactory_make("queue", "queue");
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/* and an audio sink */
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osssink = gst_elementfactory_make("osssink", "play_audio");
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g_assert(osssink != NULL);
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/* add objects to the main pipeline */
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gst_bin_add(GST_BIN(bin), disksrc);
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gst_bin_add(GST_BIN(bin), parse);
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gst_bin_add(GST_BIN(bin), decode);
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gst_bin_add(GST_BIN(bin), queue);
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gst_bin_add(GST_BIN(thread), osssink);
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gst_bin_add(GST_BIN(bin), thread);
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gst_pad_connect(gst_element_get_pad(disksrc,"src"),
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gst_element_get_pad(parse,"sink"));
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gst_pad_connect(gst_element_get_pad(parse,"src"),
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gst_element_get_pad(decode,"sink"));
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gst_pad_connect(gst_element_get_pad(decode,"src"),
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gst_element_get_pad(queue,"sink"));
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gst_pad_connect(gst_element_get_pad(queue,"src"),
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gst_element_get_pad(osssink,"sink"));
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/* start playing */
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gst_element_set_state(GST_ELEMENT(bin), GST_STATE_PLAYING);
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while (gst_bin_iterate(GST_BIN(bin)));
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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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