#define BUFFER 20 #define VIDEO_DECODER "mpeg_play" #include #include extern gboolean _gst_plugin_spew; gboolean idle_func(gpointer data); void eof(GstElement *src) { g_print("have eos, quitting\n"); exit(0); } void new_pad_created(GstElement *parse,GstPad *pad,GstElement *pipeline) { GstElement *parse_audio, *parse_video, *decode, *decode_video, *play, *videoscale, *show; GstElement *audio_queue, *video_queue; GstElement *audio_thread, *video_thread; GtkWidget *appwindow; g_print("***** a new pad %s was created\n", gst_pad_get_name(pad)); gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PAUSED); // connect to audio pad //if (0) { if (strncmp(gst_pad_get_name(pad), "audio_", 6) == 0) { // construct internal pipeline elements parse_audio = gst_elementfactory_make("mp3parse","parse_audio"); g_return_if_fail(parse_audio != NULL); decode = gst_elementfactory_make("mpg123","decode_audio"); g_return_if_fail(decode != NULL); play = gst_elementfactory_make("audiosink","play_audio"); g_return_if_fail(play != NULL); // create the thread and pack stuff into it audio_thread = gst_thread_new("audio_thread"); g_return_if_fail(audio_thread != NULL); gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(parse_audio)); gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(decode)); gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(play)); // set up pad connections gst_element_add_ghost_pad(GST_ELEMENT(audio_thread), gst_element_get_pad(parse_audio,"sink"),"sink"); gst_pad_connect(gst_element_get_pad(parse_audio,"src"), gst_element_get_pad(decode,"sink")); gst_pad_connect(gst_element_get_pad(decode,"src"), gst_element_get_pad(play,"sink")); // construct queue and connect everything in the main pipelie audio_queue = gst_elementfactory_make("queue","audio_queue"); gtk_object_set(GTK_OBJECT(audio_queue),"max_level",BUFFER,NULL); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_queue)); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(audio_thread)); gst_pad_connect(pad, gst_element_get_pad(audio_queue,"sink")); gst_pad_connect(gst_element_get_pad(audio_queue,"src"), gst_element_get_pad(audio_thread,"sink")); // set up thread state and kick things off gtk_object_set(GTK_OBJECT(audio_thread),"create_thread",TRUE,NULL); g_print("setting to READY state\n"); gst_element_set_state(GST_ELEMENT(audio_thread),GST_STATE_READY); } else if (strncmp(gst_pad_get_name(pad), "video_", 6) == 0) { //} else if (0) { // construct internal pipeline elements parse_video = gst_elementfactory_make("mp1videoparse","parse_video"); g_return_if_fail(parse_video != NULL); decode_video = gst_elementfactory_make(VIDEO_DECODER,"decode_video"); g_return_if_fail(decode_video != NULL); videoscale = gst_elementfactory_make("videoscale","videoscale"); g_return_if_fail(videoscale != NULL); gtk_object_set(GTK_OBJECT(videoscale),"width",704, "height", 576,NULL); show = gst_elementfactory_make("videosink","show"); g_return_if_fail(show != NULL); //gtk_object_set(GTK_OBJECT(show),"width",640, "height", 480,NULL); appwindow = gnome_app_new("MPEG1 player","MPEG1 player"); gnome_app_set_contents(GNOME_APP(appwindow), gst_util_get_widget_arg(GTK_OBJECT(show),"widget")); gtk_widget_show_all(appwindow); // create the thread and pack stuff into it video_thread = gst_thread_new("video_thread"); g_return_if_fail(video_thread != NULL); gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(parse_video)); gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(decode_video)); //gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(videoscale)); gst_bin_add(GST_BIN(video_thread),GST_ELEMENT(show)); // set up pad connections gst_element_add_ghost_pad(GST_ELEMENT(video_thread), gst_element_get_pad(parse_video,"sink"),"sink"); gst_pad_connect(gst_element_get_pad(parse_video,"src"), gst_element_get_pad(decode_video,"sink")); gst_pad_connect(gst_element_get_pad(decode_video,"src"), // gst_element_get_pad(videoscale,"sink")); //gst_pad_connect(gst_element_get_pad(videoscale,"src"), gst_element_get_pad(show,"sink")); // construct queue and connect everything in the main pipeline video_queue = gst_elementfactory_make("queue","video_queue"); gtk_object_set(GTK_OBJECT(video_queue),"max_level",BUFFER,NULL); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_queue)); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(video_thread)); gst_pad_connect(pad, gst_element_get_pad(video_queue,"sink")); gst_pad_connect(gst_element_get_pad(video_queue,"src"), gst_element_get_pad(video_thread,"sink")); // set up thread state and kick things off gtk_object_set(GTK_OBJECT(video_thread),"create_thread",TRUE,NULL); g_print("setting to READY state\n"); gst_element_set_state(GST_ELEMENT(video_thread),GST_STATE_READY); } g_print("\n"); gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING); } int main(int argc,char *argv[]) { GstElement *pipeline, *src, *parse; g_print("have %d args\n",argc); //_gst_plugin_spew = TRUE; g_thread_init(NULL); gst_init(&argc,&argv); gnome_init("MPEG1 Video player","0.0.1",argc,argv); pipeline = gst_pipeline_new("pipeline"); g_return_val_if_fail(pipeline != NULL, -1); //src = gst_elementfactory_make("disksrc","src"); src = gst_elementfactory_make("disksrc","src"); g_return_val_if_fail(src != NULL, -1); gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL); g_print("should be using file '%s'\n",argv[1]); parse = gst_elementfactory_make("mpeg1parse","parse"); g_return_val_if_fail(parse != NULL, -1); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src)); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse)); gtk_signal_connect(GTK_OBJECT(parse),"new_pad", GTK_SIGNAL_FUNC(new_pad_created),pipeline); gtk_signal_connect(GTK_OBJECT(src),"eos", GTK_SIGNAL_FUNC(eof),NULL); gst_pad_connect(gst_element_get_pad(src,"src"), gst_element_get_pad(parse,"sink")); g_print("setting to READY state\n"); gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY); gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING); g_print("about to enter loop\n"); g_idle_add(idle_func,pipeline); gdk_threads_enter(); gtk_main(); gdk_threads_leave(); return 0; } gboolean idle_func(gpointer data) { gst_bin_iterate(GST_BIN(data)); return TRUE; }