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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
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#include <gst/gst.h>
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#include "mem.h"
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extern gboolean _gst_plugin_spew;
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int main(int argc,char *argv[]) {
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GstElement *pipeline, *decodethread, *playthread;
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GstElement *src, *parse, *decode, *play;
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GstElement *queue;
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GstPad *infopad;
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g_print("have %d args\n",argc);
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_gst_plugin_spew = TRUE;
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gst_init(&argc,&argv);
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// gst_plugin_load("ac3parse");
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gst_plugin_load_all();
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pipeline = gst_elementfactory_make("pipeline","ac3player");
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g_return_if_fail(pipeline != NULL);
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decodethread = gst_elementfactory_make("thread","decodethread");
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g_return_if_fail(decodethread != NULL);
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playthread = gst_elementfactory_make("thread","playthread");
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g_return_if_fail(playthread != NULL);
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queue = gst_elementfactory_make("queue","queue");
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g_return_if_fail(queue != NULL);
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src = gst_elementfactory_make("disksrc","src");
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g_return_if_fail(src != NULL);
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gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
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g_print("should be using file '%s'\n",argv[1]);
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parse = gst_elementfactory_make("ac3parse","parse");
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g_return_if_fail(parse != NULL);
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decode = gst_elementfactory_make("ac3dec","decode");
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g_return_if_fail(decode != NULL);
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play = gst_elementfactory_make("audiosink","play");
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g_return_if_fail(play != NULL);
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// construct the decode thread
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g_print("constructing the decode thread\n");
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gst_bin_add(GST_BIN(decodethread),GST_ELEMENT(src));
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gst_bin_add(GST_BIN(decodethread),GST_ELEMENT(parse));
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gst_bin_add(GST_BIN(decodethread),GST_ELEMENT(decode));
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gst_pad_connect(gst_element_get_pad(src,"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_element_add_ghost_pad(GST_ELEMENT(decodethread),
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gst_element_get_pad(decode,"src"));
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// construct the play thread
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g_print("constructing the play thread\n");
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gst_bin_add(GST_BIN(playthread),GST_ELEMENT(play));
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gst_element_add_ghost_pad(GST_ELEMENT(playthread),
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gst_element_get_pad(play,"sink"));
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// construct the outer pipeline
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g_print("constructing the main pipeline\n");
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(decodethread));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(queue));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(playthread));
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gst_pad_connect(gst_element_get_pad(decodethread,"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(playthread,"sink"));
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// set thread start state
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gtk_object_set(GTK_OBJECT(decodethread),"create_thread",TRUE,NULL);
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gtk_object_set(GTK_OBJECT(playthread),"create_thread",FALSE,NULL);
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g_print("setting to RUNNING state\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_RUNNING);
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
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// sleep(1);
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g_print("about to enter loop\n");
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while (1) {
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gst_thread_iterate(GST_THREAD(playthread));
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g_print("using %d bytes\n",vmsize());
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}
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xmlSaveFile("ac3play.xml",gst_xml_write(GST_ELEMENT(pipeline)));
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}
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