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gmyth/src/gmyth_tvplayer.c
author renatofilho
Thu Sep 28 15:41:06 2006 +0100 (2006-09-28)
branchtrunk
changeset 18 79f6da40f6e9
parent 17 gmyth/src/libgmyth/gmyth_tvplayer.c@b45e9fe9f593
permissions -rw-r--r--
[svn r19] - splited libgmyth; 
     1 /**

     2  * GMyth Library

     3  *

     4  * @file gmyth/gmyth_tvplayer.c

     5  * 

     6  * @brief <p> This component provides playback of the remote A/V using

     7  * GStreamer.

     8  * 

     9  * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.

    10  * @author Hallyson Luiz de Morais Melo <hallyson.melo@indt.org.br>

    11  *

    12  *//*

    13  * 

    14  * This program is free software; you can redistribute it and/or modify

    15  * it under the terms of the GNU Lesser General Public License as published by

    16  * the Free Software Foundation; either version 2 of the License, or

    17  * (at your option) any later version.

    18  *

    19  * This program is distributed in the hope that it will be useful,

    20  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    22  * GNU General Public License for more details.

    23  *

    24  * You should have received a copy of the GNU Lesser General Public License

    25  * along with this program; if not, write to the Free Software

    26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    27  */

    28 

    29 #include "gmyth_tvplayer.h"

    30  

    31 #include <gdk/gdkx.h>

    32 

    33 #include "gmyth_context.h"

    34 #include "gmyth_remote_util.h"

    35 

    36 typedef struct _GstPlayerWindowStateChange

    37 {

    38     GstElement *play;

    39     GstState old_state, new_state;

    40     GMythTVPlayer *tvplayer;

    41 } GstPlayerWindowStateChange;

    42 

    43 typedef struct _GstPlayerWindowTagFound

    44 {

    45     GstElement *play;

    46     GstTagList *taglist;

    47     GMythTVPlayer *tvplayer;

    48 } GstPlayerWindowTagFound;

    49 

    50 /*

    51 static gboolean idle_state (gpointer data);

    52 */

    53 static gboolean bus_call (GstBus * bus, GstMessage * msg, gpointer data);

    54 

    55 static void gmyth_tvplayer_class_init          (GMythTVPlayerClass *klass);

    56 static void gmyth_tvplayer_init                (GMythTVPlayer *object);

    57 

    58 static void gmyth_tvplayer_dispose  (GObject *object);

    59 static void gmyth_tvplayer_finalize (GObject *object);

    60 

    61 G_DEFINE_TYPE(GMythTVPlayer, gmyth_tvplayer, G_TYPE_OBJECT)

    62 

    63 static gboolean gmyth_tvplayer_create_pipeline (GMythTVPlayer* tvplayer);

    64 static void     new_pad_cb (GstElement *element, 

    65                             GstPad *pad, gpointer data);

    66 

    67 static gboolean expose_cb (GtkWidget * widget, 

    68                            GdkEventExpose * event, 

    69                            gpointer user_data);

    70 

    71 static void

    72 gmyth_tvplayer_class_init (GMythTVPlayerClass *klass)

    73 {

    74 	GObjectClass *gobject_class;

    75 

    76     gobject_class = (GObjectClass *) klass;

    77 	

    78     gobject_class->dispose  = gmyth_tvplayer_dispose;

    79     gobject_class->finalize = gmyth_tvplayer_finalize;	

    80 }

    81 

    82 static void

    83 new_pad_cb (GstElement *element, GstPad *pad, gpointer data)

    84 {

    85 	GMythTVPlayer *tvplayer = GMYTH_TVPLAYER (data);

    86 	GstPadLinkReturn ret;

    87 	char *s;

    88 	

    89 	s = gst_caps_to_string (pad->caps);

    90 

    91 	if ( s[0] == 'a') {

    92 		ret = gst_pad_link (pad, gst_element_get_pad (tvplayer->audioqueue, "sink"));

    93 	} else {

    94 		ret = gst_pad_link (pad, gst_element_get_pad (tvplayer->videoqueue, "sink")); 

    95 	}

    96 	

    97 	g_free(s);

    98 }

    99 

   100 static gboolean

   101 expose_cb (GtkWidget * widget, GdkEventExpose * event, gpointer user_data)

   102 {

   103     GMythTVPlayer *tvplayer = GMYTH_TVPLAYER (user_data);

   104 

   105 	if (tvplayer && tvplayer->videow) {

   106 	    gst_x_overlay_set_xwindow_id (GST_X_OVERLAY (tvplayer->gst_videosink),

   107                                   GDK_WINDOW_XWINDOW (widget->window));

   108 		return TRUE;

   109 	}

   110 	

   111 	g_warning ("GMythTVPlayer expose called before setting video window\n");

   112 	

   113     return FALSE;

   114 }

   115 

   116 static void

   117 gmyth_tvplayer_init (GMythTVPlayer *tvplayer)

   118 {

   119     tvplayer->gst_pipeline = NULL;

   120     tvplayer->gst_source = NULL;

   121     tvplayer->gst_videodec = NULL;

   122     tvplayer->gst_videosink = NULL;

   123     tvplayer->videoqueue = NULL;

   124     tvplayer->audioqueue = NULL;

   125     

   126     /* GTKWidget for rendering the video */

   127     tvplayer->videow = NULL;

   128 	tvplayer->expose_handler = 0;

   129 	    

   130 	tvplayer->backend_hostname = NULL;

   131 	tvplayer->backend_port = 0;

   132 	tvplayer->local_hostname = NULL;

   133 

   134 	tvplayer->remote_encoder = NULL;

   135 	tvplayer->tvchain = NULL;

   136 	tvplayer->proginfo = NULL;

   137 }

   138 

   139 static void

   140 gmyth_tvplayer_dispose (GObject *object)

   141 {

   142 

   143 	G_OBJECT_CLASS (gmyth_tvplayer_parent_class)->dispose (object);

   144 }

   145 

   146 static void

   147 gmyth_tvplayer_finalize (GObject *object)

   148 {

   149 	g_signal_handlers_destroy (object);

   150 

   151 	GMythTVPlayer *tvplayer = GMYTH_TVPLAYER (object);

   152 

   153 	g_debug ("[%s] Finalizing tvplayer", __FUNCTION__);

   154 	

   155 	if (tvplayer->videow != NULL) {

   156 		if (g_signal_handler_is_connected (tvplayer->videow, 

   157 						tvplayer->expose_handler)) {

   158 			g_signal_handler_disconnect (tvplayer->videow,

   159 				tvplayer->expose_handler);

   160 		}

   161 		g_object_unref (tvplayer->videow);

   162 	}

   163 	

   164 	if ( tvplayer->remote_encoder != NULL )

   165 		g_object_unref (tvplayer->remote_encoder);

   166 	if ( tvplayer->tvchain != NULL )

   167 		g_object_unref (tvplayer->tvchain);

   168 	if ( tvplayer->proginfo != NULL )

   169 		g_object_unref (tvplayer->proginfo);	

   170 

   171 	// Release Gstreamer elements

   172 	if ( tvplayer->gst_pipeline != NULL )

   173 		g_object_unref (tvplayer->gst_pipeline);	

   174 	if ( tvplayer->gst_source != NULL )

   175 		g_object_unref (tvplayer->gst_source);	

   176 	if ( tvplayer->gst_videodec != NULL )

   177 		g_object_unref (tvplayer->gst_videodec);	

   178 	if ( tvplayer->gst_videosink != NULL )

   179 		g_object_unref (tvplayer->gst_videosink);	

   180 	if ( tvplayer->videoqueue != NULL )

   181 		g_object_unref (tvplayer->videoqueue);	

   182 	if ( tvplayer->audioqueue != NULL )

   183 		g_object_unref (tvplayer->audioqueue);	

   184 

   185 	G_OBJECT_CLASS (gmyth_tvplayer_parent_class)->finalize (object);

   186 }

   187 

   188 /** Creates a new instance of GMythTVPlayer. 

   189  * 

   190  * @return a new instance of GMythTVPlayer.

   191  */

   192 GMythTVPlayer *

   193 gmyth_tvplayer_new ()

   194 {

   195     GMythTVPlayer *tvplayer = 

   196         GMYTH_TVPLAYER (g_object_new(GMYTH_TVPLAYER_TYPE, NULL));

   197     

   198     return tvplayer;

   199 }

   200 

   201 /** Initializes the tv player.

   202  *

   203  * @param tvplayer the object instance.

   204  * @return gboolean TRUE if the pipeline was created 

   205  * successfully, FALSE otherwise.

   206  */

   207 gboolean

   208 gmyth_tvplayer_initialize (GMythTVPlayer *tvplayer)

   209 {

   210 	

   211     if (!gmyth_tvplayer_create_pipeline (tvplayer)) {

   212     	g_warning ("[%s] Error while creating pipeline. TV Player not initialized", __FUNCTION__);

   213 		return FALSE;

   214 	} else {

   215 		g_debug ("[%s] GStreamer pipeline created", __FUNCTION__);	

   216     }

   217 

   218 	return TRUE;

   219 }

   220 

   221 /** Creates the GStreamer pipeline used by the player.

   222  *

   223  * @param tvplayer the object instance.

   224  * @return gboolean TRUE if the pipeline was created 

   225  * successfully, FALSE otherwise.

   226  */

   227 static gboolean

   228 gmyth_tvplayer_create_pipeline (GMythTVPlayer* tvplayer)

   229 {

   230     GstElement *pipeline;

   231     GstElement *source, *parser;

   232     GstElement *videodec, *videosink;

   233 #ifndef MAEMO_PLATFORM    

   234     GstElement *audiodec, *audioconv;

   235 #endif

   236     GstElement *audiosink;

   237     GstElement *videoqueue, *audioqueue;

   238 

   239     g_debug ("GMythTVPlayer: Setting the Gstreamer pipeline\n");

   240 	

   241     pipeline = gst_pipeline_new ("video-player");

   242     source = gst_element_factory_make ("mythtvsrc", "myth-source");

   243     parser = gst_element_factory_make ("ffdemux_nuv", "nuv-demux");

   244 

   245     /* Gstreamer Video elements */

   246     videoqueue = gst_element_factory_make ("queue", "video-queue");

   247     videodec = gst_element_factory_make ("ffdec_mpeg4", "video-decoder");

   248 #ifdef MAEMO_PLATFORM

   249     videosink = gst_element_factory_make ("sdlvideosink", "image-output");

   250 #else

   251     videosink = gst_element_factory_make ("xvimagesink", "image-output");

   252 #endif

   253     

   254     /* Gstreamer Audio elements */

   255     audioqueue = gst_element_factory_make ("queue", "audio-queue");    

   256 #ifdef MAEMO_PLATFORM    

   257     audiosink = gst_element_factory_make ("dspmp3sink", "audio-output");

   258 #else    

   259     audiodec = gst_element_factory_make ("ffdec_mp3", "audio-decoder");

   260     audioconv = gst_element_factory_make ("audioconvert", "audio-converter");

   261     audiosink = gst_element_factory_make ("alsasink", "audio-output");

   262 #endif    

   263     

   264     if (!(pipeline && source && parser && videodec && videosink) ||

   265     	!(videoqueue && audioqueue && audiosink)) {

   266         /* FIXME: hanlde the error correctly */

   267         /* video_alignment is not being created (below) 

   268            and is causing problems to the ui */

   269 

   270 	    tvplayer->gst_pipeline = NULL;

   271 	    tvplayer->gst_videodec = NULL;

   272 	    tvplayer->gst_videosink = NULL;

   273            

   274         g_warning ("GstElement creation error!\n");

   275         return FALSE;

   276     }

   277 

   278 #ifndef MAEMO_PLATFORM    

   279     if (!(audiodec && audioconv)) {

   280         g_warning ("GstElement for audio stream creation error!");

   281         return FALSE;

   282     }

   283 #endif    

   284     

   285     

   286     tvplayer->gst_pipeline = pipeline;

   287     tvplayer->gst_source = source;

   288     tvplayer->gst_videodec = videodec;

   289     tvplayer->gst_videosink = videosink;

   290     g_object_ref (tvplayer->gst_pipeline);

   291     g_object_ref (tvplayer->gst_source);

   292     g_object_ref (tvplayer->gst_videodec);

   293     g_object_ref (tvplayer->gst_videosink);

   294 

   295     tvplayer->videoqueue = videoqueue;

   296     tvplayer->audioqueue = audioqueue;

   297     g_object_ref (tvplayer->videoqueue);

   298     g_object_ref (tvplayer->audioqueue);

   299    	

   300     g_object_set (G_OBJECT (videosink), "sync", TRUE, NULL);

   301     g_object_set (G_OBJECT (audiosink), "sync", FALSE, NULL);

   302 

   303     gst_bus_add_watch (gst_pipeline_get_bus (GST_PIPELINE (tvplayer->gst_pipeline)),

   304                        bus_call, tvplayer);

   305 

   306     gst_bin_add_many (GST_BIN (pipeline), source, parser, videoqueue,

   307     			videodec, videosink, audioqueue, audiodec, audioconv, audiosink, NULL);

   308 

   309     {

   310 //        GstCaps *rtpcaps = gst_caps_new_simple ("application/x-rtp", NULL);

   311 //        gst_element_link_filtered(source, parser, rtpcaps);

   312     }

   313     

   314     gst_element_link (source, parser);

   315     gst_element_link_many (videoqueue, videodec, videosink, NULL);

   316     gst_element_link_many (audioqueue, audiodec, audioconv, audiosink, NULL);

   317     

   318     g_signal_connect (parser, "pad-added", G_CALLBACK (new_pad_cb), tvplayer);

   319     

   320     return TRUE;

   321 }

   322 

   323 /** Configures the backend and the tv player 

   324  * for playing the recorded content A/V.

   325  *

   326  * FIXME: Change filename to program info or other structure about the recorded

   327  *

   328  * @param tvplayer the object instance.

   329  * @param filename the file uri of the recorded content to be played.

   330  * @return TRUE if successfull, FALSE if any error happens.

   331  */

   332 gboolean

   333 gmyth_tvplayer_record_setup (GMythTVPlayer *tvplayer, gchar *filename)

   334 {

   335 	GMythSettings *msettings = gmyth_context_get_settings();

   336 	

   337 	// FIXME: we should receive the uri instead of filename

   338 	GString *hostname = gmyth_settings_get_backend_hostname (msettings);

   339 	int port = gmyth_settings_get_backend_port(msettings);

   340 	

   341 	GString *fullpath = g_string_new ("myth://");

   342 	g_string_append_printf (fullpath, "%s:%d/%s", hostname->str, port, filename);

   343 	

   344 	tvplayer->is_livetv = FALSE;

   345 

   346 	g_debug ("[%s] Setting record uri to gstreamer pipeline to %s", __FUNCTION__, fullpath->str);

   347 		

   348     g_object_set (G_OBJECT (tvplayer->gst_source), "location",

   349           fullpath->str, NULL);

   350           

   351     return TRUE;

   352 }

   353 

   354 /** Configures the backend and the tv player 

   355  * for playing the live tv.

   356  *

   357  * @param tvplayer the object instance.

   358  * @return TRUE if successfull, FALSE if any error happens.

   359  */

   360 gboolean

   361 gmyth_tvplayer_livetv_setup (GMythTVPlayer *tvplayer)

   362 {

   363 	GMythSettings *msettings = gmyth_context_get_settings ();

   364 	gboolean res = TRUE;

   365 

   366 	res = gmyth_context_check_connection();

   367 	if (!res) {

   368 		g_warning ("[%s] LiveTV can not connect to backend", __FUNCTION__);	

   369 		res = FALSE;

   370 		goto error;

   371 	}

   372 

   373 	tvplayer->backend_hostname = gmyth_settings_get_backend_hostname(msettings);

   374 	tvplayer->backend_port = gmyth_settings_get_backend_port (msettings);

   375 

   376 	tvplayer->local_hostname  = g_string_new("");    

   377 	gmyth_context_get_local_hostname (tvplayer->local_hostname);

   378 

   379 	if ( tvplayer->local_hostname == NULL ) {

   380 		res = FALSE;

   381 		goto error;

   382 	}

   383 

   384 	// Gets the remote encoder num

   385 	tvplayer->remote_encoder = remote_request_next_free_recorder (-1);

   386 

   387 	if ( tvplayer->remote_encoder == NULL ) {

   388 		g_warning ("[%s] None remote encoder available", __FUNCTION__);

   389 		res = FALSE;

   390 		goto error;

   391 	}

   392 

   393 	// Creates livetv chain handler

   394 	tvplayer->tvchain = GMYTH_TVCHAIN ( g_object_new(GMYTH_TVCHAIN_TYPE, NULL) );

   395 	gmyth_tvchain_initialize ( tvplayer->tvchain, tvplayer->local_hostname );

   396 

   397 	if ( tvplayer->tvchain == NULL || tvplayer->tvchain->tvchain_id == NULL ) {

   398 		res = FALSE;

   399 		goto error;

   400 	}

   401 

   402 	// Init remote encoder. Opens its control socket.

   403 	res = gmyth_remote_encoder_setup(tvplayer->remote_encoder);

   404 	if ( !res ) {

   405 		g_warning ("[%s] Fail while setting remote encoder\n", __FUNCTION__);

   406 		res = FALSE;

   407 		goto error;

   408 	}

   409 	// Spawn live tv. Uses the socket to send mythprotocol data to start livetv in the backend (remotelly)

   410 	res = gmyth_remote_encoder_spawntv ( tvplayer->remote_encoder,

   411 			gmyth_tvchain_get_id(tvplayer->tvchain) );

   412 	if (!res) {

   413 		g_warning ("[%s] Fail while spawn tv\n", __FUNCTION__);

   414 		res = FALSE;

   415 		goto error;

   416 	}

   417 

   418 	// Reload all TV chain from Mysql database.

   419 	gmyth_tvchain_reload_all (tvplayer->tvchain);

   420 

   421 	if ( tvplayer->tvchain == NULL ) {

   422 		res = FALSE;

   423 		goto error;

   424 	}

   425 

   426 	// Get program info from database using chanid and starttime

   427 	tvplayer->proginfo = gmyth_tvchain_get_program_at (tvplayer->tvchain, -1);

   428 	if ( tvplayer->proginfo == NULL ) {

   429 		g_warning ("[%s] LiveTV not successfully started.\n", __FUNCTION__ );

   430 		res = FALSE;

   431 		goto error;

   432 	} else {

   433 		g_debug ("[%s] MythLiveTV: All requests to backend to start TV were OK.\n", __FUNCTION__ );

   434 	}

   435 

   436 	return res;

   437 

   438 error:

   439 	if ( tvplayer->backend_hostname != NULL ) {

   440 		g_string_free( tvplayer->backend_hostname, TRUE );

   441 		res = FALSE;

   442 	}

   443 

   444 	if ( tvplayer->local_hostname != NULL ) {

   445 		g_string_free( tvplayer->local_hostname, TRUE );

   446 		res = FALSE;

   447 	}

   448 

   449 	if ( tvplayer->remote_encoder != NULL ) {

   450 		g_object_unref (tvplayer->remote_encoder);

   451 		tvplayer->remote_encoder = NULL;

   452 	}

   453 

   454 	if ( tvplayer->tvchain != NULL ) {

   455 		g_object_unref (tvplayer->tvchain);

   456 		tvplayer->tvchain = NULL;

   457 	}

   458 

   459 	if ( tvplayer->proginfo != NULL ) {

   460 		g_object_unref (tvplayer->proginfo);

   461 		tvplayer->proginfo = NULL;

   462 	}

   463 

   464 	return res;

   465 

   466 }

   467 

   468 /** Sets the GTK video widget for the tv player. 

   469  *

   470  * @param tvplayer the object instance.

   471  * @param videow the GTK video window.

   472  * @return TRUE if successfull, FALSE if any error happens.

   473  */

   474 gboolean

   475 gmyth_tvplayer_set_widget (GMythTVPlayer *tvplayer, GtkWidget *videow)

   476 {

   477 	tvplayer->videow = videow;

   478 	g_object_ref (videow);

   479 	

   480 	g_debug ("[%s] Setting widget for tv player render", __FUNCTION__);

   481 	

   482     tvplayer->expose_handler = g_signal_connect (tvplayer->videow, "expose-event", 

   483                                                  G_CALLBACK (expose_cb), tvplayer);

   484 

   485     //g_signal_connect(miptv_ui->videow, "size_request", G_CALLBACK(cb_preferred_video_size), miptv_ui);

   486 

   487     return TRUE;

   488 }

   489 

   490 static gboolean

   491 bus_call (GstBus * bus, GstMessage * msg, gpointer data)

   492 {

   493     //GMythTVPlayer *tvplayer = GMYTH_TVPLAYER ( data );

   494     //GMainLoop *loop = tvplayer->loop;

   495 

   496     switch (GST_MESSAGE_TYPE (msg)) {

   497         case GST_MESSAGE_EOS:

   498 			printf ("End of stream\n");

   499             //g_idle_add ((GSourceFunc) idle_eos, data);

   500             gst_element_set_state ( GST_ELEMENT (GST_MESSAGE_SRC (msg)), GST_STATE_NULL );

   501 	    gst_element_set_locked_state ( GST_ELEMENT (GST_MESSAGE_SRC (msg)), FALSE );

   502             break;

   503         case GST_MESSAGE_ERROR:

   504         {

   505                 gchar *debug;

   506                 GError *err;

   507 

   508                 gst_message_parse_error (msg, &err, &debug);

   509                 g_free (debug);

   510 

   511                 printf ("Error: %s\n", err->message);

   512                 g_error_free (err);

   513 

   514                 //g_main_loop_quit (loop);

   515         }

   516             break;

   517         default:

   518             printf (gst_message_type_get_name (GST_MESSAGE_TYPE (msg)));

   519             printf ("\n");

   520             break;

   521     }

   522 

   523     return TRUE;

   524 }

   525 

   526 

   527 #if 0

   528 static gboolean

   529 idle_state (gpointer data)

   530 {

   531     GstPlayerWindowStateChange *st = data;

   532 

   533     if (st->old_state == GST_STATE_PLAYING) {

   534         if (st->miptv_ui->idle_id != 0) {

   535             g_source_remove (st->miptv_ui->idle_id);

   536             st->miptv_ui->idle_id = 0;

   537         }

   538     }

   539     else if (st->new_state == GST_STATE_PLAYING) {

   540         if (st->miptv_ui->idle_id != 0)

   541             g_source_remove (st->miptv_ui->idle_id);

   542 

   543         st->miptv_ui->idle_id = g_idle_add (cb_iterate, st->miptv_ui);

   544     }

   545 

   546     /* new movie loaded? */

   547     if (st->old_state == GST_STATE_READY && st->new_state > GST_STATE_READY) {

   548 

   549         /* gboolean have_video = FALSE; */

   550 

   551         gtk_widget_show (st->miptv_ui->videow);

   552 

   553         gtk_window_resize (GTK_WINDOW (st->miptv_ui->main_window), 1, 1);

   554 

   555     }

   556 

   557     /* discarded movie? */

   558     if (st->old_state > GST_STATE_READY && st->new_state == GST_STATE_READY) {

   559 

   560         if (st->miptv_ui->tagcache) {

   561             gst_tag_list_free (st->miptv_ui->tagcache);

   562             st->miptv_ui->tagcache = NULL;

   563         }

   564     }

   565 

   566     gst_object_unref (GST_OBJECT (st->play));

   567     //g_object_unref (G_OBJECT (st->win));

   568     g_free (st);

   569 

   570     /* once */

   571     return FALSE;

   572 }

   573 

   574 #endif

   575 

   576 /** Stops playing the current A/V.

   577  *

   578  * FIXME: How to proceed differently between livetv 

   579  * and recorded content?

   580  *

   581  * @param tvplayer the object instance.

   582  * @return void 

   583  */

   584 void

   585 gmyth_tvplayer_stop_playing (GMythTVPlayer *tvplayer) 

   586 {

   587     g_debug ("[%s] Setting gstreamer pipeline state to NULL", __FUNCTION__);

   588 

   589     gst_element_set_state (tvplayer->gst_pipeline, GST_STATE_NULL);

   590     

   591     if (tvplayer->is_livetv) {

   592 	    if (!gmyth_remote_encoder_stop_livetv (tvplayer->remote_encoder)) {

   593 	    	g_warning ("[%s] Error while stoping remote encoder", __FUNCTION__);	

   594 	    }

   595     }

   596 }

   597 

   598 /** Queries if the tvplayer is active playing A/V content.

   599  *

   600  * @param tvplayer the object instance.

   601  * @return TRUE if the tvplayer is active, FALSE otherwise.

   602  */

   603 gboolean

   604 gmyth_tvplayer_is_playing (GMythTVPlayer *tvplayer)

   605 {

   606 	return (GST_STATE (tvplayer->gst_pipeline) == GST_STATE_PLAYING);

   607 }

   608 

   609 /** Static function that sets the tvplayer state to PLAYING.

   610  *

   611  * @param tvplayer the object instance.

   612  * @return TRUE if the tvplayer is active, FALSE otherwise.

   613  */

   614 static gboolean

   615 idle_play (gpointer data)

   616 {

   617     GMythTVPlayer *tvplayer = GMYTH_TVPLAYER (data);

   618 

   619 	g_debug ("GMythTVPlayer: Setting pipeline state to PLAYING\n");

   620 

   621     gst_element_set_state (tvplayer->gst_pipeline, GST_STATE_PLAYING);

   622 

   623     return FALSE;

   624 }

   625 

   626 /** Start playing A/V with the tvplayer attributes.

   627  *

   628  * @param tvplayer the object instance.

   629  */

   630 void

   631 gmyth_tvplayer_start_playing (GMythTVPlayer *tvplayer)

   632 {

   633 

   634 	// FIXME: Move this to livetv_setup??

   635 	if (tvplayer->is_livetv) {

   636 

   637 	#if 0

   638 		if (!tvplayer || !(tvplayer->proginfo) || !(tvplayer->local_hostname)

   639 				|| !(tvplayer->gst_source)) {

   640 			g_warning ("GMythtvPlayer not ready to start playing\n");		

   641 		}

   642 

   643 		if (!(tvplayer->proginfo->pathname)) {

   644 			g_warning ("[%s] Playback url is null, could not play the myth content", __FUNCTION__);

   645 			return;

   646 		}

   647 

   648 		g_debug ("GMythTVPlayer: Start playing %s", tvplayer->proginfo->pathname->str);

   649 #endif

   650 		g_object_set (G_OBJECT (tvplayer->gst_source), "mythtv-live",

   651 				TRUE, NULL);

   652 #if 0

   653 		if ( tvplayer->tvchain != NULL ) {

   654 			GString *str_chainid = gmyth_tvchain_get_id(tvplayer->tvchain);

   655 			g_print( "[%s]\tCHAIN ID: %s\n", __FUNCTION__, str_chainid->str );

   656 

   657 			g_object_set (G_OBJECT (tvplayer->gst_source), "mythtv-live-chainid", 

   658 					g_strdup( str_chainid->str ), NULL);      

   659 			if ( str_chainid!=NULL)

   660 				g_string_free( str_chainid, FALSE );

   661 		}

   662 

   663 		if ( tvplayer->remote_encoder != NULL )	

   664 			g_object_set (G_OBJECT (tvplayer->gst_source), "mythtv-live-id",

   665 					tvplayer->remote_encoder->recorder_num, NULL );

   666 		g_debug ("[%s] Setting location to %s", __FUNCTION__, 

   667 				tvplayer->proginfo->pathname->str);

   668 

   669 		/* Sets the gstreamer properties acording to the service access address */

   670 		g_object_set (G_OBJECT (tvplayer->gst_source), "location",

   671 				tvplayer->proginfo->pathname->str, NULL);              

   672 #endif

   673 	}

   674 

   675 	g_object_set (G_OBJECT (tvplayer->gst_source), "mythtv-version",

   676               MYTHTV_VERSION_DEFAULT, NULL);

   677 

   678     g_object_set (G_OBJECT (tvplayer->gst_source), "mythtv-debug",

   679               TRUE, NULL);

   680 

   681     g_idle_add (idle_play, tvplayer);

   682 

   683 }

   684
gmyth