maemo-ui/src/mmyth_videoplayer.c
branchtrunk
changeset 45 5c83cb526118
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/maemo-ui/src/mmyth_videoplayer.c	Tue Oct 24 14:19:49 2006 +0100
     1.3 @@ -0,0 +1,369 @@
     1.4 +
     1.5 +#include <gst/gst.h>
     1.6 +#include <gtk/gtk.h>
     1.7 +#include <gdk/gdkx.h>
     1.8 +#include <gst/interfaces/xoverlay.h>
     1.9 +#include <unistd.h>
    1.10 +
    1.11 +#include "mmyth_ui.h"
    1.12 +#include "mmyth_videoplayer.h"
    1.13 +#include "mmyth_sdpreader.h"
    1.14 +
    1.15 +#include "esg_database.h"
    1.16 +
    1.17 +#include "ipd_demux.h"
    1.18 +#include "ipd_network.h"
    1.19 +
    1.20 +#ifdef INDT_IP_DECAPSULATOR
    1.21 +#include <sys/types.h>
    1.22 +#include <signal.h>
    1.23 +#endif
    1.24 +
    1.25 +/* Global flag/semaphore to control IP decapsulator threads */
    1.26 +gboolean state_keep_running = 0;
    1.27 +
    1.28 +
    1.29 +typedef struct _GstPlayerWindowStateChange
    1.30 +{
    1.31 +    GstElement *play;
    1.32 +    GstState old_state, new_state;
    1.33 +    MMythUi *mmyth_ui;
    1.34 +} GstPlayerWindowStateChange;
    1.35 +
    1.36 +typedef struct _GstPlayerWindowTagFound
    1.37 +{
    1.38 +    GstElement *play;
    1.39 +    GstTagList *taglist;
    1.40 +    MMythUi *mmyth_ui;
    1.41 +} GstPlayerWindowTagFound;
    1.42 +
    1.43 +
    1.44 +GstElement *gst_pipeline, *gst_decoder, *gst_videosink;
    1.45 +
    1.46 +static gboolean idle_state (gpointer data);
    1.47 +
    1.48 +static gboolean
    1.49 +bus_call (GstBus * bus, GstMessage * msg, gpointer data)
    1.50 +{
    1.51 +    MMythUi *mmyth_ui = (MMythUi *) data;
    1.52 +    GMainLoop *loop = mmyth_ui->loop;
    1.53 +
    1.54 +    switch (GST_MESSAGE_TYPE (msg)) {
    1.55 +        case GST_MESSAGE_EOS:
    1.56 +
    1.57 +            if (mmyth_ui->idle_id != 0) {
    1.58 +                g_source_remove (mmyth_ui->idle_id);
    1.59 +                mmyth_ui->idle_id = 0;
    1.60 +            }
    1.61 +
    1.62 +            //g_idle_add ((GSourceFunc) idle_eos, data);
    1.63 +            gst_element_set_state (GST_ELEMENT (GST_MESSAGE_SRC (msg)),
    1.64 +                                   GST_STATE_READY);
    1.65 +            break;
    1.66 +        case GST_MESSAGE_ERROR:{
    1.67 +                gchar *debug;
    1.68 +                GError *err;
    1.69 +
    1.70 +                gst_message_parse_error (msg, &err, &debug);
    1.71 +                g_free (debug);
    1.72 +
    1.73 +                printf ("Error: %s\n", err->message);
    1.74 +                g_error_free (err);
    1.75 +
    1.76 +                g_main_loop_quit (loop);
    1.77 +            }
    1.78 +            break;
    1.79 +        case GST_MESSAGE_STATE_CHANGED:{
    1.80 +                GstState oldstate;
    1.81 +                GstState newstate;
    1.82 +                GstState pending;
    1.83 +                GstPlayerWindowStateChange *st =
    1.84 +                    g_new (GstPlayerWindowStateChange, 1);
    1.85 +
    1.86 +                gst_message_parse_state_changed (msg,
    1.87 +                                                 &oldstate,
    1.88 +                                                 &newstate, &pending);
    1.89 +
    1.90 +                st->play = mmyth_ui->play;
    1.91 +                gst_object_ref (GST_OBJECT (mmyth_ui->play));
    1.92 +                st->old_state = oldstate;
    1.93 +                st->new_state = newstate;
    1.94 +
    1.95 +                st->mmyth_ui = mmyth_ui;
    1.96 +
    1.97 +                /* State debug messages */
    1.98 +                printf ("oldstate = %s, newstate = %s, pendingstate = %s\n",
    1.99 +                        gst_element_state_get_name (oldstate),
   1.100 +                        gst_element_state_get_name (newstate),
   1.101 +                        gst_element_state_get_name (pending));
   1.102 +
   1.103 +                g_idle_add ((GSourceFunc) idle_state, st);
   1.104 +
   1.105 +            }
   1.106 +            break;
   1.107 +        default:
   1.108 +            printf (gst_message_type_get_name (GST_MESSAGE_TYPE (msg)));
   1.109 +            printf ("\n");
   1.110 +            break;
   1.111 +    }
   1.112 +
   1.113 +    return TRUE;
   1.114 +}
   1.115 +
   1.116 +
   1.117 +static gboolean
   1.118 +cb_iterate (gpointer data)
   1.119 +{
   1.120 +    MMythUi *mmyth_ui = (MMythUi *) data;
   1.121 +    //gboolean res;
   1.122 +
   1.123 +    g_main_loop_run (mmyth_ui->loop);
   1.124 +/*
   1.125 +	if (!GST_FLAG_IS_SET (mmyth_ui->play, GST_BIN_SELF_SCHEDULABLE)) {
   1.126 +    	res = gst_bin_iterate (GST_BIN (mmyth_ui->play));
   1.127 +	} else {
   1.128 +    	g_usleep (100);
   1.129 +		res = (gst_element_get_state (mmyth_ui->play) == GST_STATE_PLAYING);
   1.130 +	}
   1.131 +
   1.132 +	if (!res)
   1.133 +    	mmyth_ui->idle_id = 0;
   1.134 +    	
   1.135 +    return res;
   1.136 +*/
   1.137 +    return FALSE;
   1.138 +
   1.139 +}
   1.140 +
   1.141 +static gboolean
   1.142 +idle_state (gpointer data)
   1.143 +{
   1.144 +    GstPlayerWindowStateChange *st = data;
   1.145 +
   1.146 +    if (st->old_state == GST_STATE_PLAYING) {
   1.147 +        if (st->mmyth_ui->idle_id != 0) {
   1.148 +            g_source_remove (st->mmyth_ui->idle_id);
   1.149 +            st->mmyth_ui->idle_id = 0;
   1.150 +        }
   1.151 +    }
   1.152 +    else if (st->new_state == GST_STATE_PLAYING) {
   1.153 +        if (st->mmyth_ui->idle_id != 0)
   1.154 +            g_source_remove (st->mmyth_ui->idle_id);
   1.155 +
   1.156 +        st->mmyth_ui->idle_id = g_idle_add (cb_iterate, st->mmyth_ui);
   1.157 +    }
   1.158 +
   1.159 +    /* new movie loaded? */
   1.160 +    if (st->old_state == GST_STATE_READY && st->new_state > GST_STATE_READY) {
   1.161 +
   1.162 +        /* gboolean have_video = FALSE; */
   1.163 +
   1.164 +        gtk_widget_show (st->mmyth_ui->videow);
   1.165 +
   1.166 +        gtk_window_resize (GTK_WINDOW (st->mmyth_ui->main_window), 1, 1);
   1.167 +
   1.168 +    }
   1.169 +
   1.170 +    /* discarded movie? */
   1.171 +    if (st->old_state > GST_STATE_READY && st->new_state == GST_STATE_READY) {
   1.172 +
   1.173 +        if (st->mmyth_ui->tagcache) {
   1.174 +            gst_tag_list_free (st->mmyth_ui->tagcache);
   1.175 +            st->mmyth_ui->tagcache = NULL;
   1.176 +        }
   1.177 +    }
   1.178 +
   1.179 +    gst_object_unref (GST_OBJECT (st->play));
   1.180 +    //g_object_unref (G_OBJECT (st->win));
   1.181 +    g_free (st);
   1.182 +
   1.183 +    /* once */
   1.184 +    return FALSE;
   1.185 +}
   1.186 +
   1.187 +
   1.188 +
   1.189 +static gboolean
   1.190 +expose (GtkWidget * widget, GdkEventExpose * event, gpointer user_data)
   1.191 +{
   1.192 +    MMythUi *mmyth_ui = (MMythUi *) user_data;
   1.193 +
   1.194 +    gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (mmyth_ui->videosink),
   1.195 +                                  GDK_WINDOW_XWINDOW (mmyth_ui->videow->
   1.196 +                                                      window));
   1.197 +    return TRUE;
   1.198 +}
   1.199 +
   1.200 +
   1.201 +void
   1.202 +mmyth_player_init (MMythUi * mmyth_ui)
   1.203 +{
   1.204 +    GstElement *play;
   1.205 +    GstElement *source, *parser, *decoder, *videosink;
   1.206 +
   1.207 +    play = gst_pipeline_new ("video-player");
   1.208 +    source = gst_element_factory_make ("udpsrc", "file-source");
   1.209 +    parser = gst_element_factory_make ("rtph263pdepay", "rtp-demux");
   1.210 +    decoder = gst_element_factory_make ("ffdec_h263", "mpeg-decoder");
   1.211 +    videosink = gst_element_factory_make ("xvimagesink", "image-output");
   1.212 +    gst_pipeline = play;
   1.213 +    gst_decoder = decoder;
   1.214 +    gst_videosink = videosink;
   1.215 +
   1.216 +    if (!(gst_pipeline && source && parser && decoder && videosink)) {
   1.217 +        /* FIXME: hanlde the error correctly */
   1.218 +        /* video_alignment is not being created (below) 
   1.219 +           and is causing problems to the ui */
   1.220 +        g_print ("GstElement creation error!\n");
   1.221 +        return;
   1.222 +    }
   1.223 +
   1.224 +    g_object_set (G_OBJECT (videosink), "sync", FALSE, NULL);
   1.225 +
   1.226 +    gst_bus_add_watch (gst_pipeline_get_bus (GST_PIPELINE (gst_pipeline)),
   1.227 +                       bus_call, mmyth_ui);
   1.228 +
   1.229 +    gst_bin_add_many (GST_BIN (gst_pipeline), source, parser, decoder,
   1.230 +                      videosink, NULL);
   1.231 +
   1.232 +    {
   1.233 +        GstCaps *rtpcaps = gst_caps_new_simple ("application/x-rtp", NULL);
   1.234 +        gst_element_link_filtered(source, parser, rtpcaps);
   1.235 +    }
   1.236 +    
   1.237 +    gst_element_link_many (/*source,*/ parser, decoder, videosink, NULL);
   1.238 +
   1.239 +    /* actual window */
   1.240 +    mmyth_ui->play = play;
   1.241 +    mmyth_ui->videosink = videosink;
   1.242 +    mmyth_ui->udpsource = source;
   1.243 +
   1.244 +    g_object_ref (mmyth_ui->play);
   1.245 +    g_object_ref (mmyth_ui->videosink);
   1.246 +
   1.247 +    /* video widget */
   1.248 +    //mmyth_ui->videow = gst_player_video_new (videosink, play);
   1.249 +    mmyth_ui->videow = gtk_drawing_area_new ();
   1.250 +    gtk_widget_set_size_request (mmyth_ui->videow, 300, 240);
   1.251 +
   1.252 +    mmyth_ui->logo = gdk_pixbuf_new_from_file ("logo.png", NULL);
   1.253 +
   1.254 +
   1.255 +    mmyth_ui->video_alignment = gtk_alignment_new (0.5, 0.5, 0, 0);
   1.256 +    gtk_widget_hide (mmyth_ui->video_alignment);
   1.257 +
   1.258 +    gtk_container_add (GTK_CONTAINER (mmyth_ui->video_alignment),
   1.259 +                       mmyth_ui->videow);
   1.260 +
   1.261 +    g_signal_connect (mmyth_ui->videow, "expose-event", G_CALLBACK (expose),
   1.262 +                      mmyth_ui);
   1.263 +    //g_signal_connect(mmyth_ui->videow, "size_request", G_CALLBACK(cb_preferred_video_size), mmyth_ui);
   1.264 +
   1.265 +
   1.266 +    g_object_ref (mmyth_ui->videow);
   1.267 +    g_object_ref (mmyth_ui->video_alignment);
   1.268 +
   1.269 +    //gnome_app_set_contents (app, videow);
   1.270 +    //gtk_widget_show (mmyth_ui->videow);
   1.271 +
   1.272 +//fail:
   1.273 +//  gst_object_unref (GST_OBJECT (play));
   1.274 +//  return NULL;  
   1.275 +
   1.276 +}
   1.277 +
   1.278 +void
   1.279 +mmyth_player_stop (MMythUi * mmyth_ui)
   1.280 +{
   1.281 +    gst_element_set_state (mmyth_ui->play, GST_STATE_NULL);
   1.282 +
   1.283 +    if(mmyth_ui->videow != NULL)
   1.284 +        gtk_widget_hide (mmyth_ui->videow);
   1.285 +
   1.286 +    /* Disable IP Decapsulator playing threads */
   1.287 +    state_keep_running = FALSE;	
   1.288 +
   1.289 +}
   1.290 +
   1.291 +static gboolean
   1.292 +idle_play (gpointer data)
   1.293 +{
   1.294 +    MMythUi *mmyth_ui = (MMythUi *) data;
   1.295 +
   1.296 +    sleep (2);
   1.297 +
   1.298 +    gst_element_set_state (mmyth_ui->play, GST_STATE_PLAYING);
   1.299 +
   1.300 +    return FALSE;
   1.301 +}
   1.302 +
   1.303 +
   1.304 +/* Run IP decapsulator play function in a new thread. The thread is finished setting the
   1.305 + * semaphore "state_keep_running" to FALSE*/
   1.306 +gpointer
   1.307 +run_ipd(gpointer data)
   1.308 +{
   1.309 +    GString *ip_addr = (GString*) data;
   1.310 +
   1.311 +	state_keep_running = TRUE;
   1.312 +
   1.313 +	printf("Inside thread\n");
   1.314 +
   1.315 +	ipd_mpe_play_section (ip_addr->str, &state_keep_running);
   1.316 +
   1.317 +	return 0;
   1.318 +}
   1.319 +
   1.320 +void
   1.321 +mmyth_play_channel (MMythUi * mmyth_ui, gint service_number)
   1.322 +{
   1.323 +	ESGDatabase *esg_db;
   1.324 +    DVBHService *service;
   1.325 +	SDPData sdp_data;
   1.326 +	GString *service_ip_addr;
   1.327 +	
   1.328 +	/* First verifies if there is a tuned network */
   1.329 +	if ( !ipd_network_is_tuned() ) {
   1.330 +		/* FIXME: show alert and handle this error */
   1.331 +        g_warning ("Play not possible, network not tuned");
   1.332 +		return;
   1.333 +	}
   1.334 +
   1.335 +    esg_db = esg_database_get_instance();
   1.336 +    /* Gets the service structure */
   1.337 +    service = (DVBHService *) esg_database_get_service_from_number
   1.338 +                                 (esg_db, service_number);
   1.339 +
   1.340 +	/* Verifies if sdp fragment exists to this service */
   1.341 +	if ( service->sdp_file == NULL ) {
   1.342 +		/* FIXME: Implement error handling */
   1.343 +        g_warning ("SDP fragment not available to access service");
   1.344 +		return;
   1.345 +    }
   1.346 +	
   1.347 +	/* Parses the sdp to get ipv6 address and port */
   1.348 +	mmyth_sdp_parse_file (service->sdp_file->str, &sdp_data);
   1.349 +
   1.350 +    /* Sets the gstreamer properties acording to the service access address */
   1.351 +	/* FIXME: Develop sdp_bin in gstreamer to give sdp file as pipeline config */
   1.352 +    g_object_set (G_OBJECT (mmyth_ui->udpsource), "multicast_group",
   1.353 +                  sdp_data.ip_addr->str, NULL);
   1.354 +    g_object_set (G_OBJECT (mmyth_ui->udpsource), "port", sdp_data.video_port, NULL);
   1.355 +
   1.356 +    /* Shows the video widget on screen */
   1.357 +    mmyth_ui_set_widget (mmyth_ui, mmyth_ui->video_uicommon);
   1.358 +
   1.359 +    gtk_widget_show (mmyth_ui->videow);
   1.360 +    gtk_widget_queue_draw (mmyth_ui->videow);
   1.361 +
   1.362 +#ifdef INDT_IP_DECAPSULATOR
   1.363 +    /* Will be dealocated in run_ipd */	
   1.364 +	service_ip_addr = g_string_new (sdp_data.ip_addr->str);
   1.365 +	
   1.366 +	/* Requests the IP decapsulator to play the channel stream*/
   1.367 +	g_thread_create (run_ipd, (gpointer) service_ip_addr, FALSE, NULL);
   1.368 +#endif
   1.369 +		
   1.370 +    //gst_element_set_state (mmyth_ui->play, GST_STATE_PLAYING);
   1.371 +    g_idle_add (idle_play, mmyth_ui);
   1.372 +}