mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 08:46:40 +00:00
224 lines
7.3 KiB
C
224 lines
7.3 KiB
C
#include <gnome.h>
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#include <gst/gst.h>
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GstElement *pipeline, *src, *parse;
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GstElement *v_decode_thread, *v_decode_queue, *v_decode, *v_color;
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GstElement *v_show_thread, *v_show_queue, *v_show;
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GstElement *a_decode_thread, *a_decode_queue, *a_decode;
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GstElement *a_sink_thread, *a_sink_queue, *a_sink;
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GtkWidget *appwindow;
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GtkWidget *gtk_socket;
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void eof(GstElement *src) {
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fprintf(stderr,"have eos, quitting\n");
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exit(0);
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}
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gboolean idle_func(gpointer data) {
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gst_bin_iterate(GST_BIN(data));
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return TRUE;
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}
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int mpeg2parse_newpad(GstElement *parser,GstPad *pad, GstElement *pipeline) {
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fprintf(stderr,"***** a new pad %s was created\n", gst_pad_get_name(pad));
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if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) {
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// build the decoder thread
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v_decode_thread = GST_ELEMENT(gst_thread_new("v_decode_thread"));
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g_return_val_if_fail(v_decode_thread != NULL, -1);
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v_decode_queue = gst_elementfactory_make("queue","v_decode_queue");
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g_return_val_if_fail(v_decode_queue != NULL, -1);
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v_decode = gst_elementfactory_make("mpeg2dec","v_decode");
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g_return_val_if_fail(v_decode != NULL, -1);
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v_color = gst_elementfactory_make("colorspace","v_color");
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g_return_val_if_fail(v_color != NULL, -1);
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gst_bin_add(GST_BIN(v_decode_thread),GST_ELEMENT(v_decode_queue));
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gst_bin_add(GST_BIN(v_decode_thread),GST_ELEMENT(v_decode));
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gst_bin_add(GST_BIN(v_decode_thread),GST_ELEMENT(v_color));
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gst_element_connect(v_decode_queue,"src",v_decode,"sink");
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gst_element_connect(v_decode,"src",v_color,"sink");
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gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
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// build the show thread
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v_show_thread = GST_ELEMENT(gst_thread_new("v_show_thread"));
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g_return_val_if_fail(v_show_thread != NULL, -1);
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v_show_queue = gst_elementfactory_make("queue","v_show_queue");
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g_return_val_if_fail(v_show_queue != NULL, -1);
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// v_show has ben created earlier
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gst_bin_add(GST_BIN(v_show_thread),GST_ELEMENT(v_show_queue));
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gst_bin_add(GST_BIN(v_show_thread),GST_ELEMENT(v_show));
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gst_element_connect(v_show_queue,"src",v_show,"sink");
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// now assemble the decoder threads
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gst_bin_add(GST_BIN(v_decode_thread),v_show_thread);
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gst_element_connect(v_color,"src",v_show_queue,"sink");
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gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
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gst_schedule_show(GST_ELEMENT_SCHED(v_show_thread));
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// connect the whole thing to the main pipeline
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gst_pad_connect(pad, gst_element_get_pad(v_decode_queue,"sink"));
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gst_bin_add(GST_BIN(pipeline),v_decode_thread);
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gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
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gst_schedule_show(GST_ELEMENT_SCHED(v_show_thread));
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// start it playing
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gst_element_set_state(v_decode_thread,GST_STATE_PLAYING);
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} else if (strcmp(gst_pad_get_name(pad), "private_stream_1.0") == 0) {
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// build the decoder thread
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a_decode_thread = GST_ELEMENT(gst_thread_new("a_decode_thread"));
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g_return_val_if_fail(a_decode_thread != NULL, -1);
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a_decode_queue = gst_elementfactory_make("queue","a_decode_queue");
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g_return_val_if_fail(a_decode_queue != NULL, -1);
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a_decode = gst_elementfactory_make("ac3dec","a_decode");
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g_return_val_if_fail(a_decode != NULL, -1);
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gst_bin_add(GST_BIN(a_decode_thread),GST_ELEMENT(a_decode_queue));
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gst_bin_add(GST_BIN(a_decode_thread),GST_ELEMENT(a_decode));
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gst_element_connect(a_decode_queue,"src",a_decode,"sink");
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gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
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// build the sink thread
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a_sink_thread = GST_ELEMENT(gst_thread_new("a_sink_thread"));
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g_return_val_if_fail(a_sink_thread != NULL, -1);
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a_sink_queue = gst_elementfactory_make("queue","a_sink_queue");
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g_return_val_if_fail(a_sink_queue != NULL, -1);
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a_sink = gst_elementfactory_make("esdsink","a_sink");
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g_return_val_if_fail(a_sink != NULL, -1);
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gst_bin_add(GST_BIN(a_sink_thread),GST_ELEMENT(a_sink_queue));
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gst_bin_add(GST_BIN(a_sink_thread),GST_ELEMENT(a_sink));
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gst_element_connect(a_sink_queue,"src",a_sink,"sink");
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// now assemble the decoder threads
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gst_bin_add(GST_BIN(a_decode_thread),a_sink_thread);
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gst_element_connect(a_decode,"src",a_sink_queue,"sink");
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gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
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gst_schedule_show(GST_ELEMENT_SCHED(a_sink_thread));
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// connect the whole thing to the main pipeline
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gst_pad_connect(pad, gst_element_get_pad(a_decode_queue,"sink"));
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gst_bin_add(GST_BIN(pipeline),a_decode_thread);
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gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
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gst_schedule_show(GST_ELEMENT_SCHED(a_sink_thread));
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// start it playing
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gst_element_set_state(a_decode_thread,GST_STATE_PLAYING);
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}
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if (v_decode_thread && a_decode_thread) {
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xmlSaveFile("mpeg2parse4.gst", gst_xml_write(GST_ELEMENT(pipeline)));
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fprintf(stderr,"DUMP OF ALL SCHEDULES!!!:\n");
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gst_schedule_show(GST_ELEMENT_SCHED(pipeline));
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gst_schedule_show(GST_ELEMENT_SCHED(v_decode_thread));
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gst_schedule_show(GST_ELEMENT_SCHED(v_show_thread));
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gst_schedule_show(GST_ELEMENT_SCHED(a_decode_thread));
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gst_schedule_show(GST_ELEMENT_SCHED(a_sink_thread));
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}
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return 0;
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}
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void mpeg2parse_have_size(GstElement *videosink,gint width,gint height) {
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gtk_widget_set_usize(gtk_socket,width,height);
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gtk_widget_show_all(appwindow);
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}
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int main(int argc,char *argv[]) {
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g_print("have %d args\n",argc);
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gst_init(&argc,&argv);
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gnome_init("MPEG2 Video player","0.0.1",argc,argv);
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// ***** construct the main pipeline *****
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pipeline = gst_pipeline_new("pipeline");
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g_return_val_if_fail(pipeline != NULL, -1);
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if (strstr(argv[1],"video_ts")) {
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src = gst_elementfactory_make("dvdsrc","src");
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g_print("using DVD source\n");
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} else {
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src = gst_elementfactory_make("disksrc","src");
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}
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g_return_val_if_fail(src != NULL, -1);
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gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
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if (argc >= 3) {
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gtk_object_set(GTK_OBJECT(src),"bytesperread",atoi(argv[2]),NULL);
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g_print("block size is %d\n",atoi(argv[2]));
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}
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g_print("should be using file '%s'\n",argv[1]);
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parse = gst_elementfactory_make("mpeg2parse","parse");
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//parse = gst_elementfactory_make("mpeg1parse","parse");
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g_return_val_if_fail(parse != NULL, -1);
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
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gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
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gst_element_connect(src,"src",parse,"sink");
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// create v_show early so we can get and connect stuff
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v_show = gst_elementfactory_make("xvideosink","v_show");
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g_return_val_if_fail(v_show != NULL, -1);
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// ***** construct the GUI *****
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appwindow = gnome_app_new("MPEG player","MPEG player");
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gtk_socket = gtk_socket_new ();
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gtk_widget_show (gtk_socket);
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gnome_app_set_contents(GNOME_APP(appwindow),
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GTK_WIDGET(gtk_socket));
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gtk_widget_realize (gtk_socket);
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gtk_socket_steal (GTK_SOCKET (gtk_socket),
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gst_util_get_int_arg (GTK_OBJECT(v_show), "xid"));
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gtk_signal_connect(GTK_OBJECT(parse),"new_pad",mpeg2parse_newpad, pipeline);
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gtk_signal_connect(GTK_OBJECT(src),"eos",GTK_SIGNAL_FUNC(eof),NULL);
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gtk_signal_connect(GTK_OBJECT(v_show),"have_size",mpeg2parse_have_size, pipeline);
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fprintf(stderr,"setting to PLAYING state\n");
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gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
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gtk_idle_add(idle_func,pipeline);
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gdk_threads_enter();
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gtk_main();
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gdk_threads_leave();
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return 0;
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}
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