#include #include #include #include #include #include GstElement *mux; GstElement *merge_subtitles; void eof (GstElement *src) { g_print("have eos, quitting\n"); exit(0); } void frame_encoded (GstElement *element, gint framenum, gpointer data) { gulong frame_size; static gulong total = 0; frame_size = gst_util_get_long_arg(G_OBJECT(element),"last_frame_size"); total+=frame_size; g_print("encoded frame %d %ld %ld\n", framenum, frame_size, total/(framenum+1)); } void mp2tomp1_new_pad (GstElement *parser,GstPad *pad, GstElement *pipeline) { GstElement *parse_audio, *decode, *decode_video, *play, *encode, *audio_resample; GstElement *smooth, *median; GstElement *audio_queue, *video_queue; GstElement *audio_thread, *video_thread; GstElement *videoscale, *audio_encode; 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 (strncmp (gst_pad_get_name (pad), "private_stream_1.0", 18) == 0) { GstPad *newpad; // construct internal pipeline elements parse_audio = gst_elementfactory_make("ac3parse","parse_audio"); g_return_if_fail(parse_audio != NULL); g_object_set(G_OBJECT(parse_audio),"skip", 15, NULL); decode = gst_elementfactory_make("ac3dec","decode_audio"); g_return_if_fail(decode != NULL); audio_resample = gst_elementfactory_make("audioscale","audioscale"); g_return_if_fail(audio_resample != NULL); g_object_set(G_OBJECT(audio_resample),"frequency", 44100, NULL); audio_encode = gst_elementfactory_make("mpegaudio","audio_encode"); g_return_if_fail(audio_encode != 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(decode)); gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(audio_resample)); gst_bin_add(GST_BIN(audio_thread),GST_ELEMENT(audio_encode)); newpad = gst_element_request_pad_by_name (mux, "audio_[00-08]"); g_assert (newpad != NULL); // set up pad connections gst_element_add_ghost_pad(GST_ELEMENT(audio_thread), gst_element_get_pad(decode, "sink"), "sink"); gst_element_connect (decode, "src", audio_resample, "sink"); gst_element_connect (audio_resample, "src", audio_encode, "sink"); gst_pad_connect (gst_element_get_pad (audio_encode, "src"), newpad); // construct queue and connect everything in the main pipelie audio_queue = gst_elementfactory_make("queue","audio_queue"); g_object_set(G_OBJECT(audio_queue),"max_level",1,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 g_object_set(G_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), "subtitle_stream_4", 17) == 0) { gst_pad_connect(pad, gst_element_get_pad(merge_subtitles,"subtitle")); } else 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("osssink","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_element_connect (parse_audio, "src", decode, "sink"); gst_element_connect (decode, "src", play, "sink"); // construct queue and connect everything in the main pipelie audio_queue = gst_elementfactory_make("queue","audio_queue"); g_object_set(G_OBJECT(audio_queue),"max_level",1,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 g_object_set(G_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) { GstPad *newpad; // construct internal pipeline elements decode_video = gst_elementfactory_make("mpeg2dec","decode_video"); g_return_if_fail(decode_video != NULL); merge_subtitles = gst_elementfactory_make("mpeg2subt","merge_subtitles"); g_return_if_fail(merge_subtitles != NULL); videoscale = gst_elementfactory_make("videoscale","videoscale"); g_return_if_fail(videoscale != NULL); //g_object_set(G_OBJECT(videoscale),"width",352, "height", 288,NULL); g_object_set(G_OBJECT(videoscale),"width",640, "height", 480,NULL); median = gst_elementfactory_make("median","median"); g_return_if_fail(median != NULL); g_object_set(G_OBJECT(median),"filtersize",9,NULL); g_object_set(G_OBJECT(median),"active",TRUE,NULL); smooth = gst_elementfactory_make("smooth","smooth"); g_return_if_fail(smooth != NULL); g_object_set(G_OBJECT(smooth),"filtersize",5,NULL); g_object_set(G_OBJECT(smooth),"tolerance",9,NULL); g_object_set(G_OBJECT(smooth),"active",FALSE,NULL); encode = gst_elementfactory_make("winenc","encode"); g_return_if_fail(encode != NULL); g_signal_connect(G_OBJECT(encode),"frame_encoded",G_CALLBACK(frame_encoded),NULL); g_object_set(G_OBJECT(encode),"bitrate",800*4,NULL); g_object_set(G_OBJECT(encode),"quality",10000,NULL); //g_object_set(G_OBJECT(encode),"compression",NULL,NULL); //encode = gst_elementfactory_make("mpeg1encoder","encode"); //g_object_set(G_OBJECT(show),"width",640, "height", 480,NULL); newpad = gst_element_request_pad_by_name (mux, "video_[00-08]"); g_assert (newpad != NULL); // 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 (decode_video)); gst_bin_add (GST_BIN (video_thread), GST_ELEMENT (merge_subtitles)); gst_bin_add (GST_BIN (video_thread), GST_ELEMENT (median)); gst_bin_add (GST_BIN (video_thread), GST_ELEMENT (smooth)); gst_bin_add (GST_BIN (video_thread), GST_ELEMENT (videoscale)); gst_bin_add (GST_BIN (video_thread), GST_ELEMENT (encode)); // set up pad connections gst_element_add_ghost_pad (GST_ELEMENT (video_thread), gst_element_get_pad (decode_video, "sink"), "sink"); gst_pad_connect (gst_element_get_pad (decode_video, "src"), gst_element_get_pad (median, "sink")); gst_pad_connect (gst_element_get_pad (median, "src"), gst_element_get_pad (merge_subtitles, "video")); gst_pad_connect (gst_element_get_pad (merge_subtitles, "src"), gst_element_get_pad (videoscale, "sink")); gst_pad_connect (gst_element_get_pad (videoscale, "src"), gst_element_get_pad (smooth, "sink")); gst_pad_connect (gst_element_get_pad (smooth, "src"), gst_element_get_pad (encode, "sink")); gst_pad_connect (gst_element_get_pad (encode, "src"), newpad); // construct queue and connect everything in the main pipeline video_queue = gst_elementfactory_make("queue","video_queue"); g_object_set(G_OBJECT(video_queue),"max_level",1,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 g_object_set(G_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; GstElement *fdsink; int fd; g_print ("have %d args\n", argc); gst_init (&argc ,&argv); pipeline = gst_pipeline_new ("pipeline"); g_return_val_if_fail (pipeline != NULL, -1); /* create an input element */ if (strstr (argv[1], "video_ts")) { src = gst_elementfactory_make ("dvdsrc", "src"); g_print ("using DVD source\n"); } else { src = gst_elementfactory_make ("disksrc", "src"); } g_return_val_if_fail (src != NULL, -1); g_object_set (G_OBJECT (src), "location", argv[1], NULL); g_print ("should be using file '%s'\n", argv[1]); g_print ("should be using output file '%s'\n", argv[2]); /* the parser */ parse = gst_elementfactory_make ("mpeg2parse", "parse"); g_return_val_if_fail (parse != NULL, -1); /* the muxer */ mux = gst_elementfactory_make ("avimux", "mux"); g_return_val_if_fail (mux != NULL, -1); /* create the output sink */ fd = open (argv[2], O_CREAT|O_RDWR|O_TRUNC, S_IREAD|S_IWRITE); fdsink = gst_elementfactory_make ("fdsink", "fdsink"); g_return_val_if_fail (fdsink != NULL, -1); g_object_set (G_OBJECT (fdsink), "fd", fd, NULL); gst_bin_add (GST_BIN (pipeline), GST_ELEMENT (src)); gst_bin_add (GST_BIN (pipeline), GST_ELEMENT (parse)); gst_bin_add (GST_BIN (pipeline), GST_ELEMENT (mux)); gst_bin_add (GST_BIN (pipeline), GST_ELEMENT (fdsink)); g_signal_connect (G_OBJECT (parse), "new_pad", mp2tomp1_new_pad, pipeline); g_signal_connect (G_OBJECT (src), "eos", eof, NULL); gst_element_connect (src, "src", parse, "sink"); gst_element_connect (mux, "src", fdsink, "sink"); g_print("setting to READY state\n"); gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); while (1) { gst_bin_iterate (GST_BIN (pipeline)); } }