maemo-ui-old/src/mmyth_tvplayer.c
branchtrunk
changeset 884 d3d62eca131c
parent 754 cb885ee44618
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/maemo-ui-old/src/mmyth_tvplayer.c	Wed Nov 21 15:06:32 2007 +0000
     1.3 @@ -0,0 +1,712 @@
     1.4 +/**
     1.5 + * GMyth Library
     1.6 + *
     1.7 + * @file gmyth/mmyth_tvplayer.c
     1.8 + * 
     1.9 + * @brief <p> This component provides playback of the remote A/V using
    1.10 + * GStreamer.
    1.11 + * 
    1.12 + * Copyright (C) 2006 INdT - Instituto Nokia de Tecnologia.
    1.13 + * @author Hallyson Luiz de Morais Melo <hallyson.melo@indt.org.br>
    1.14 + *
    1.15 +    *//*
    1.16 +    * 
    1.17 +    * This program is free software; you can redistribute it and/or modify
    1.18 +    * it under the terms of the GNU Lesser General Public License as published by
    1.19 +    * the Free Software Foundation; either version 2 of the License, or
    1.20 +    * (at your option) any later version.
    1.21 +    *
    1.22 +    * This program is distributed in the hope that it will be useful,
    1.23 +    * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.24 +    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.25 +    * GNU General Public License for more details.
    1.26 +    *
    1.27 +    * You should have received a copy of the GNU Lesser General Public License
    1.28 +    * along with this program; if not, write to the Free Software
    1.29 +    * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
    1.30 +    */
    1.31 +
    1.32 +#include "mmyth_tvplayer.h"
    1.33 +
    1.34 +#include <gdk/gdkx.h>
    1.35 +
    1.36 +#include <gmyth/gmyth_remote_util.h>
    1.37 +
    1.38 +#define MYTHTV_VERSION_DEFAULT	30
    1.39 +
    1.40 +typedef struct _GstPlayerWindowStateChange {
    1.41 +    GstElement     *play;
    1.42 +    GstState        old_state,
    1.43 +                    new_state;
    1.44 +    MMythTVPlayer  *tvplayer;
    1.45 +} GstPlayerWindowStateChange;
    1.46 +
    1.47 +typedef struct _GstPlayerWindowTagFound {
    1.48 +    GstElement     *play;
    1.49 +    GstTagList     *taglist;
    1.50 +    MMythTVPlayer  *tvplayer;
    1.51 +} GstPlayerWindowTagFound;
    1.52 +
    1.53 +/*
    1.54 + * static gboolean idle_state (gpointer data); 
    1.55 + */
    1.56 +static gboolean bus_call(GstBus * bus, GstMessage * msg, gpointer data);
    1.57 +
    1.58 +static void     mmyth_tvplayer_class_init(MMythTVPlayerClass * klass);
    1.59 +static void     mmyth_tvplayer_init(MMythTVPlayer * object);
    1.60 +
    1.61 +static void     mmyth_tvplayer_dispose(GObject * object);
    1.62 +static void     mmyth_tvplayer_finalize(GObject * object);
    1.63 +
    1.64 +G_DEFINE_TYPE(MMythTVPlayer, mmyth_tvplayer, G_TYPE_OBJECT)
    1.65 +
    1.66 +    static gboolean mmyth_tvplayer_create_pipeline(MMythTVPlayer *
    1.67 +                                                   tvplayer);
    1.68 +    static void     new_pad_cb(GstElement * element, GstPad * pad,
    1.69 +                               gpointer data);
    1.70 +
    1.71 +    static gboolean expose_cb(GtkWidget * widget,
    1.72 +                              GdkEventExpose * event, gpointer user_data);
    1.73 +
    1.74 +    static void
    1.75 +                    mmyth_tvplayer_class_init(MMythTVPlayerClass * klass)
    1.76 +{
    1.77 +    GObjectClass   *gobject_class;
    1.78 +
    1.79 +    gobject_class = (GObjectClass *) klass;
    1.80 +
    1.81 +    gobject_class->dispose = mmyth_tvplayer_dispose;
    1.82 +    gobject_class->finalize = mmyth_tvplayer_finalize;
    1.83 +}
    1.84 +
    1.85 +static void
    1.86 +new_pad_cb(GstElement * element, GstPad * pad, gpointer data)
    1.87 +{
    1.88 +    MMythTVPlayer  *tvplayer = MMYTH_TVPLAYER(data);
    1.89 +    GstPadLinkReturn ret;
    1.90 +    char           *s;
    1.91 +
    1.92 +    s = gst_caps_to_string(pad->caps);
    1.93 +
    1.94 +    if (s[0] == 'a') {
    1.95 +        ret =
    1.96 +            gst_pad_link(pad,
    1.97 +                         gst_element_get_pad(tvplayer->audioqueue1,
    1.98 +                                             "sink"));
    1.99 +    } else {
   1.100 +        ret =
   1.101 +            gst_pad_link(pad,
   1.102 +                         gst_element_get_pad(tvplayer->videoqueue1,
   1.103 +                                             "sink"));
   1.104 +    }
   1.105 +
   1.106 +    g_free(s);
   1.107 +}
   1.108 +
   1.109 +static          gboolean
   1.110 +expose_cb(GtkWidget * widget, GdkEventExpose * event, gpointer user_data)
   1.111 +{
   1.112 +    MMythTVPlayer  *tvplayer = MMYTH_TVPLAYER(user_data);
   1.113 +
   1.114 +    if (tvplayer && tvplayer->videow) {
   1.115 +        gst_x_overlay_set_xwindow_id(GST_X_OVERLAY
   1.116 +                                     (tvplayer->gst_videosink),
   1.117 +                                     GDK_WINDOW_XWINDOW(widget->window));
   1.118 +        return TRUE;
   1.119 +    }
   1.120 +
   1.121 +    g_warning("MMythTVPlayer expose called before setting video window\n");
   1.122 +
   1.123 +    return FALSE;
   1.124 +}
   1.125 +
   1.126 +static void
   1.127 +mmyth_tvplayer_init(MMythTVPlayer * tvplayer)
   1.128 +{
   1.129 +    tvplayer->gst_pipeline = NULL;
   1.130 +    tvplayer->gst_source = NULL;
   1.131 +    tvplayer->gst_videodec = NULL;
   1.132 +    tvplayer->gst_videosink = NULL;
   1.133 +    tvplayer->gst_videocolortrs = NULL;
   1.134 +    tvplayer->videoqueue1 = NULL;
   1.135 +    tvplayer->videoqueue2 = NULL;
   1.136 +    tvplayer->audioqueue1 = NULL;
   1.137 +    tvplayer->audioqueue2 = NULL;
   1.138 +
   1.139 +    /*
   1.140 +     * GTKWidget for rendering the video 
   1.141 +     */
   1.142 +    tvplayer->videow = NULL;
   1.143 +    tvplayer->expose_handler = 0;
   1.144 +
   1.145 +    tvplayer->backend_hostname = NULL;
   1.146 +    tvplayer->backend_port = 0;
   1.147 +    tvplayer->local_hostname = NULL;
   1.148 +
   1.149 +    tvplayer->recorder = NULL;
   1.150 +    tvplayer->tvchain = NULL;
   1.151 +    tvplayer->proginfo = NULL;
   1.152 +}
   1.153 +
   1.154 +static void
   1.155 +mmyth_tvplayer_dispose(GObject * object)
   1.156 +{
   1.157 +
   1.158 +    G_OBJECT_CLASS(mmyth_tvplayer_parent_class)->dispose(object);
   1.159 +}
   1.160 +
   1.161 +static void
   1.162 +mmyth_tvplayer_finalize(GObject * object)
   1.163 +{
   1.164 +    g_signal_handlers_destroy(object);
   1.165 +
   1.166 +    MMythTVPlayer  *tvplayer = MMYTH_TVPLAYER(object);
   1.167 +
   1.168 +    g_debug("[%s] Finalizing tvplayer", __FUNCTION__);
   1.169 +
   1.170 +    if (tvplayer->videow != NULL) {
   1.171 +        if (g_signal_handler_is_connected(tvplayer->videow,
   1.172 +                                          tvplayer->expose_handler)) {
   1.173 +            g_signal_handler_disconnect(tvplayer->videow,
   1.174 +                                        tvplayer->expose_handler);
   1.175 +        }
   1.176 +        g_object_unref(tvplayer->videow);
   1.177 +    }
   1.178 +
   1.179 +    if (tvplayer->recorder != NULL)
   1.180 +        g_object_unref(tvplayer->recorder);
   1.181 +    if (tvplayer->tvchain != NULL)
   1.182 +        g_object_unref(tvplayer->tvchain);
   1.183 +    if (tvplayer->proginfo != NULL)
   1.184 +        g_object_unref(tvplayer->proginfo);
   1.185 +
   1.186 +    // Release Gstreamer elements
   1.187 +    if (tvplayer->gst_pipeline != NULL)
   1.188 +        g_object_unref(tvplayer->gst_pipeline);
   1.189 +    if (tvplayer->gst_source != NULL)
   1.190 +        g_object_unref(tvplayer->gst_source);
   1.191 +    if (tvplayer->gst_videodec != NULL)
   1.192 +        g_object_unref(tvplayer->gst_videodec);
   1.193 +    if (tvplayer->gst_videocolortrs != NULL)
   1.194 +        g_object_unref(tvplayer->gst_videocolortrs);
   1.195 +    if (tvplayer->gst_videosink != NULL)
   1.196 +        g_object_unref(tvplayer->gst_videosink);
   1.197 +    if (tvplayer->videoqueue1 != NULL)
   1.198 +        g_object_unref(tvplayer->videoqueue1);
   1.199 +    if (tvplayer->videoqueue2 != NULL)
   1.200 +        g_object_unref(tvplayer->videoqueue2);
   1.201 +    if (tvplayer->audioqueue1 != NULL)
   1.202 +        g_object_unref(tvplayer->audioqueue1);
   1.203 +    if (tvplayer->audioqueue2 != NULL)
   1.204 +        g_object_unref(tvplayer->audioqueue2);
   1.205 +
   1.206 +    G_OBJECT_CLASS(mmyth_tvplayer_parent_class)->finalize(object);
   1.207 +}
   1.208 +
   1.209 +/** Creates a new instance of MMythTVPlayer. 
   1.210 + * 
   1.211 + * @return a new instance of MMythTVPlayer.
   1.212 + */
   1.213 +MMythTVPlayer  *
   1.214 +mmyth_tvplayer_new()
   1.215 +{
   1.216 +    MMythTVPlayer  *tvplayer =
   1.217 +        MMYTH_TVPLAYER(g_object_new(MMYTH_TVPLAYER_TYPE, NULL));
   1.218 +
   1.219 +    return tvplayer;
   1.220 +}
   1.221 +
   1.222 +/** Initializes the tv player.
   1.223 + *
   1.224 + * @param tvplayer the object instance.
   1.225 + * @return gboolean TRUE if the pipeline was created 
   1.226 + * successfully, FALSE otherwise.
   1.227 + */
   1.228 +gboolean
   1.229 +mmyth_tvplayer_initialize(MMythTVPlayer * tvplayer,
   1.230 +                          GMythBackendInfo * backend_info)
   1.231 +{
   1.232 +    tvplayer->backend_info = backend_info;
   1.233 +
   1.234 +    if (!mmyth_tvplayer_create_pipeline(tvplayer)) {
   1.235 +        g_warning
   1.236 +            ("[%s] Error while creating pipeline. TV Player not initialized",
   1.237 +             __FUNCTION__);
   1.238 +        return FALSE;
   1.239 +    } else {
   1.240 +        g_debug("[%s] GStreamer pipeline created", __FUNCTION__);
   1.241 +    }
   1.242 +
   1.243 +    return TRUE;
   1.244 +}
   1.245 +
   1.246 +/** Creates the GStreamer pipeline used by the player.
   1.247 + *
   1.248 + * @param tvplayer the object instance.
   1.249 + * @return gboolean TRUE if the pipeline was created 
   1.250 + * successfully, FALSE otherwise.
   1.251 + */
   1.252 +static          gboolean
   1.253 +mmyth_tvplayer_create_pipeline(MMythTVPlayer * tvplayer)
   1.254 +{
   1.255 +    GstElement     *pipeline;
   1.256 +    GstElement     *source,
   1.257 +                   *parser;
   1.258 +    GstElement     *videodec,
   1.259 +                   *videosink;
   1.260 +    GstElement     *videocolortrs;
   1.261 +#ifndef MAEMO_PLATFORM
   1.262 +    GstElement     *audiodec,
   1.263 +                   *audioconv,
   1.264 +                   *audioqueue2;
   1.265 +#endif
   1.266 +    GstElement     *audiosink;
   1.267 +    GstElement     *videoqueue1,
   1.268 +                   *videoqueue2,
   1.269 +                   *audioqueue1;
   1.270 +
   1.271 +    g_debug("MMythTVPlayer: Setting the Gstreamer pipeline\n");
   1.272 +
   1.273 +    pipeline = gst_pipeline_new("video-player");
   1.274 +    source = gst_element_factory_make("mythtvsrc", "myth-source");
   1.275 +    parser = gst_element_factory_make("nuvdemux", "nuv-demux");
   1.276 +
   1.277 +    /*
   1.278 +     * Gstreamer Video elements 
   1.279 +     */
   1.280 +    videoqueue1 = gst_element_factory_make("queue", "video-queue1");
   1.281 +    videodec = gst_element_factory_make("ffdec_mpeg4", "video-decoder");
   1.282 +    videoqueue2 = gst_element_factory_make("queue", "video-queue2");
   1.283 +    videocolortrs =
   1.284 +        gst_element_factory_make("ffmpegcolorspace",
   1.285 +                                 "image-color-transforms");
   1.286 +
   1.287 +#ifdef MAEMO_PLATFORM
   1.288 +    videosink = gst_element_factory_make("sdlvideosink", "image-output");
   1.289 +#else
   1.290 +    videosink = gst_element_factory_make("xvimagesink", "image-output");
   1.291 +#endif
   1.292 +
   1.293 +    /*
   1.294 +     * Gstreamer Audio elements 
   1.295 +     */
   1.296 +    audioqueue1 = gst_element_factory_make("queue", "audio-queue1");
   1.297 +#ifdef MAEMO_PLATFORM
   1.298 +    audiosink = gst_element_factory_make("dspmp3sink", "audio-output");
   1.299 +#else
   1.300 +    audioqueue2 = gst_element_factory_make("queue", "audio-queue2");
   1.301 +    audiodec = gst_element_factory_make("mad", "audio-decoder");
   1.302 +    audioconv =
   1.303 +        gst_element_factory_make("audioconvert", "audio-converter");
   1.304 +    audiosink = gst_element_factory_make("alsasink", "audio-output");
   1.305 +#endif
   1.306 +
   1.307 +    if (!(pipeline && source && parser && videodec && videosink) ||
   1.308 +        !(videoqueue1 && videoqueue2 && audioqueue1 && audiosink)) {
   1.309 +        /*
   1.310 +         * FIXME: hanlde the error correctly 
   1.311 +         */
   1.312 +        /*
   1.313 +         * video_alignment is not being created (below) and is causing
   1.314 +         * problems to the ui 
   1.315 +         */
   1.316 +
   1.317 +        tvplayer->gst_pipeline = NULL;
   1.318 +        tvplayer->gst_videodec = NULL;
   1.319 +        tvplayer->gst_videosink = NULL;
   1.320 +        tvplayer->gst_videocolortrs = NULL;
   1.321 +
   1.322 +        g_warning("GstElement creation error!\n");
   1.323 +        return FALSE;
   1.324 +    }
   1.325 +#ifndef MAEMO_PLATFORM
   1.326 +    if (!(audiodec && audioconv)) {
   1.327 +        g_warning("GstElement for audio stream creation error!");
   1.328 +        return FALSE;
   1.329 +    }
   1.330 +#endif
   1.331 +
   1.332 +    tvplayer->gst_pipeline = pipeline;
   1.333 +    tvplayer->gst_source = source;
   1.334 +    tvplayer->gst_videodec = videodec;
   1.335 +    tvplayer->gst_videosink = videosink;
   1.336 +    tvplayer->gst_videocolortrs = videocolortrs;
   1.337 +    g_object_ref(tvplayer->gst_pipeline);
   1.338 +    g_object_ref(tvplayer->gst_source);
   1.339 +    g_object_ref(tvplayer->gst_videodec);
   1.340 +    g_object_ref(tvplayer->gst_videosink);
   1.341 +    g_object_ref(tvplayer->gst_videocolortrs);
   1.342 +
   1.343 +    tvplayer->videoqueue1 = videoqueue1;
   1.344 +    tvplayer->videoqueue2 = videoqueue2;
   1.345 +    tvplayer->audioqueue1 = audioqueue1;
   1.346 +    g_object_ref(tvplayer->videoqueue1);
   1.347 +    g_object_ref(tvplayer->videoqueue2);
   1.348 +    g_object_ref(tvplayer->audioqueue1);
   1.349 +
   1.350 +#ifndef MAEMO_PLATFORM
   1.351 +    tvplayer->audioqueue2 = audioqueue2;
   1.352 +    g_object_ref(tvplayer->audioqueue2);
   1.353 +#endif
   1.354 +
   1.355 +    // g_object_set (G_OBJECT (videosink), "sync", TRUE, NULL);
   1.356 +    g_object_set(G_OBJECT(audiosink), "sync", FALSE, NULL);
   1.357 +
   1.358 +    gst_bus_add_watch(gst_pipeline_get_bus
   1.359 +                      (GST_PIPELINE(tvplayer->gst_pipeline)), bus_call,
   1.360 +                      tvplayer);
   1.361 +
   1.362 +    gst_bin_add_many(GST_BIN(pipeline), source, parser, videoqueue1,
   1.363 +                     videodec, videoqueue2, videocolortrs, videosink,
   1.364 +                     NULL);
   1.365 +
   1.366 +#ifndef MAEMO_PLATFORM
   1.367 +    gst_bin_add_many(GST_BIN(pipeline), audioqueue1, audiodec, audioconv,
   1.368 +                     audioqueue2, audiosink, NULL);
   1.369 +#else
   1.370 +    gst_bin_add_many(GST_BIN(pipeline), audioqueue1, audiosink, NULL);
   1.371 +#endif
   1.372 +
   1.373 +    {
   1.374 +        // GstCaps *rtpcaps = gst_caps_new_simple ("application/x-rtp",
   1.375 +        // NULL);
   1.376 +        // gst_element_link_filtered(source, parser, rtpcaps);
   1.377 +    }
   1.378 +
   1.379 +    gst_element_link(source, parser);
   1.380 +    gst_element_link_many(videoqueue1, videodec, videoqueue2,
   1.381 +                          videocolortrs, videosink, NULL);
   1.382 +
   1.383 +#ifndef MAEMO_PLATFORM
   1.384 +    gst_element_link_many(videosink, audioqueue1, audiodec, audioconv,
   1.385 +                          audioqueue2, audiosink, NULL);
   1.386 +#else
   1.387 +    gst_element_link_many(videosink, audioqueue1, audiosink, NULL);
   1.388 +#endif
   1.389 +
   1.390 +    g_signal_connect(parser, "pad-added", G_CALLBACK(new_pad_cb),
   1.391 +                     tvplayer);
   1.392 +
   1.393 +    return TRUE;
   1.394 +}
   1.395 +
   1.396 +/** Configures the backend and the tv player 
   1.397 + * for playing the recorded content A/V.
   1.398 + *
   1.399 + * FIXME: Change filename to program info or other structure about the recorded
   1.400 + *
   1.401 + * @param tvplayer the object instance.
   1.402 + * @param filename the file uri of the recorded content to be played.
   1.403 + * @return TRUE if successfull, FALSE if any error happens.
   1.404 + */
   1.405 +gboolean
   1.406 +mmyth_tvplayer_record_setup(MMythTVPlayer * tvplayer,
   1.407 +                            const gchar * filename)
   1.408 +{
   1.409 +    // FIXME: we should receive the uri instead of filename
   1.410 +    const gchar    *hostname =
   1.411 +        gmyth_backend_info_get_hostname(tvplayer->backend_info);
   1.412 +    const gint      port =
   1.413 +        gmyth_backend_info_get_port(tvplayer->backend_info);
   1.414 +
   1.415 +    GString        *fullpath = g_string_new("myth://");
   1.416 +    g_string_append_printf(fullpath, "%s:%d/%s", hostname, port, filename);
   1.417 +
   1.418 +    tvplayer->is_livetv = FALSE;
   1.419 +
   1.420 +    g_debug("[%s] Setting record uri to gstreamer pipeline to %s",
   1.421 +            __FUNCTION__, fullpath->str);
   1.422 +
   1.423 +    g_object_set(G_OBJECT(tvplayer->gst_source), "location",
   1.424 +                 fullpath->str, NULL);
   1.425 +
   1.426 +    return TRUE;
   1.427 +}
   1.428 +
   1.429 +/** Configures the backend and the tv player 
   1.430 + * for playing the live tv.
   1.431 + *
   1.432 + * @param tvplayer the object instance.
   1.433 + * @return TRUE if successfull, FALSE if any error happens.
   1.434 + */
   1.435 +gboolean
   1.436 +mmyth_tvplayer_livetv_setup(MMythTVPlayer * tvplayer)
   1.437 +{
   1.438 +    gboolean        res = TRUE;
   1.439 +
   1.440 +    tvplayer->livetv = gmyth_livetv_new();
   1.441 +
   1.442 +    if (!gmyth_livetv_setup(tvplayer->livetv, tvplayer->backend_info))
   1.443 +        goto error;
   1.444 +
   1.445 +    return res;
   1.446 +
   1.447 +  error:
   1.448 +    res = FALSE;
   1.449 +    if (tvplayer->livetv != NULL) {
   1.450 +        g_object_unref(tvplayer->livetv);
   1.451 +    }
   1.452 +
   1.453 +    if (tvplayer->local_hostname != NULL) {
   1.454 +        g_string_free(tvplayer->local_hostname, TRUE);
   1.455 +    }
   1.456 +
   1.457 +    if (tvplayer->recorder != NULL) {
   1.458 +        g_object_unref(tvplayer->recorder);
   1.459 +        tvplayer->recorder = NULL;
   1.460 +    }
   1.461 +
   1.462 +    if (tvplayer->tvchain != NULL) {
   1.463 +        g_object_unref(tvplayer->tvchain);
   1.464 +        tvplayer->tvchain = NULL;
   1.465 +    }
   1.466 +
   1.467 +    if (tvplayer->proginfo != NULL) {
   1.468 +        g_object_unref(tvplayer->proginfo);
   1.469 +        tvplayer->proginfo = NULL;
   1.470 +    }
   1.471 +
   1.472 +    return res;
   1.473 +
   1.474 +}
   1.475 +
   1.476 +/** Sets the GTK video widget for the tv player. 
   1.477 + *
   1.478 + * @param tvplayer the object instance.
   1.479 + * @param videow the GTK video window.
   1.480 + * @return TRUE if successfull, FALSE if any error happens.
   1.481 + */
   1.482 +gboolean
   1.483 +mmyth_tvplayer_set_widget(MMythTVPlayer * tvplayer, GtkWidget * videow)
   1.484 +{
   1.485 +    tvplayer->videow = videow;
   1.486 +    g_object_ref(videow);
   1.487 +
   1.488 +    g_debug("[%s] Setting widget for tv player render", __FUNCTION__);
   1.489 +
   1.490 +    tvplayer->expose_handler =
   1.491 +        g_signal_connect(tvplayer->videow, "expose-event",
   1.492 +                         G_CALLBACK(expose_cb), tvplayer);
   1.493 +
   1.494 +    // g_signal_connect(miptv_ui->videow, "size_request",
   1.495 +    // G_CALLBACK(cb_preferred_video_size), miptv_ui);
   1.496 +
   1.497 +    return TRUE;
   1.498 +}
   1.499 +
   1.500 +static          gboolean
   1.501 +bus_call(GstBus * bus, GstMessage * msg, gpointer data)
   1.502 +{
   1.503 +    // MMythTVPlayer *tvplayer = MMYTH_TVPLAYER ( data );
   1.504 +    // GMainLoop *loop = tvplayer->loop;
   1.505 +
   1.506 +    switch (GST_MESSAGE_TYPE(msg)) {
   1.507 +    case GST_MESSAGE_EOS:
   1.508 +        printf("End of stream\n");
   1.509 +        // g_idle_add ((GSourceFunc) idle_eos, data);
   1.510 +        gst_element_set_state(GST_ELEMENT(GST_MESSAGE_SRC(msg)),
   1.511 +                              GST_STATE_NULL);
   1.512 +        gst_element_set_locked_state(GST_ELEMENT(GST_MESSAGE_SRC(msg)),
   1.513 +                                     TRUE);
   1.514 +        break;
   1.515 +    case GST_MESSAGE_ERROR:
   1.516 +        {
   1.517 +            gchar          *debug;
   1.518 +            GError         *err;
   1.519 +
   1.520 +            gst_message_parse_error(msg, &err, &debug);
   1.521 +            g_free(debug);
   1.522 +
   1.523 +            printf("Error: %s\n", err->message);
   1.524 +            g_error_free(err);
   1.525 +
   1.526 +            // g_main_loop_quit (loop);
   1.527 +        }
   1.528 +        break;
   1.529 +    default:
   1.530 +        printf(gst_message_type_get_name(GST_MESSAGE_TYPE(msg)));
   1.531 +        printf("\n");
   1.532 +        break;
   1.533 +    }
   1.534 +
   1.535 +    return TRUE;
   1.536 +}
   1.537 +
   1.538 +
   1.539 +#if 0
   1.540 +static          gboolean
   1.541 +idle_state(gpointer data)
   1.542 +{
   1.543 +    GstPlayerWindowStateChange *st = data;
   1.544 +
   1.545 +    if (st->old_state == GST_STATE_PLAYING) {
   1.546 +        if (st->miptv_ui->idle_id != 0) {
   1.547 +            g_source_remove(st->miptv_ui->idle_id);
   1.548 +            st->miptv_ui->idle_id = 0;
   1.549 +        }
   1.550 +    } else if (st->new_state == GST_STATE_PLAYING) {
   1.551 +        if (st->miptv_ui->idle_id != 0)
   1.552 +            g_source_remove(st->miptv_ui->idle_id);
   1.553 +
   1.554 +        st->miptv_ui->idle_id = g_idle_add(cb_iterate, st->miptv_ui);
   1.555 +    }
   1.556 +
   1.557 +    /*
   1.558 +     * new movie loaded? 
   1.559 +     */
   1.560 +    if (st->old_state == GST_STATE_READY
   1.561 +        && st->new_state > GST_STATE_READY) {
   1.562 +
   1.563 +        /*
   1.564 +         * gboolean have_video = FALSE; 
   1.565 +         */
   1.566 +
   1.567 +        gtk_widget_show(st->miptv_ui->videow);
   1.568 +
   1.569 +        gtk_window_resize(GTK_WINDOW(st->miptv_ui->main_window), 1, 1);
   1.570 +
   1.571 +    }
   1.572 +
   1.573 +    /*
   1.574 +     * discarded movie? 
   1.575 +     */
   1.576 +    if (st->old_state > GST_STATE_READY
   1.577 +        && st->new_state == GST_STATE_READY) {
   1.578 +
   1.579 +        if (st->miptv_ui->tagcache) {
   1.580 +            gst_tag_list_free(st->miptv_ui->tagcache);
   1.581 +            st->miptv_ui->tagcache = NULL;
   1.582 +        }
   1.583 +    }
   1.584 +
   1.585 +    gst_object_unref(GST_OBJECT(st->play));
   1.586 +    // g_object_unref (G_OBJECT (st->win));
   1.587 +    g_free(st);
   1.588 +
   1.589 +    /*
   1.590 +     * once 
   1.591 +     */
   1.592 +    return FALSE;
   1.593 +}
   1.594 +
   1.595 +#endif
   1.596 +
   1.597 +/** Stops playing the current A/V.
   1.598 + *
   1.599 + * FIXME: How to proceed differently between livetv 
   1.600 + * and recorded content?
   1.601 + *
   1.602 + * @param tvplayer the object instance.
   1.603 + * @return void 
   1.604 + */
   1.605 +void
   1.606 +mmyth_tvplayer_stop_playing(MMythTVPlayer * tvplayer)
   1.607 +{
   1.608 +    g_debug("[%s] Setting gstreamer pipeline state to NULL", __FUNCTION__);
   1.609 +
   1.610 +    gst_element_set_state(tvplayer->gst_pipeline, GST_STATE_NULL);
   1.611 +
   1.612 +    if (tvplayer->is_livetv) {
   1.613 +        if (!gmyth_recorder_stop_livetv(tvplayer->recorder)) {
   1.614 +            g_warning("[%s] Error while stoping remote encoder",
   1.615 +                      __FUNCTION__);
   1.616 +        }
   1.617 +    }
   1.618 +}
   1.619 +
   1.620 +/** Queries if the tvplayer is active playing A/V content.
   1.621 + *
   1.622 + * @param tvplayer the object instance.
   1.623 + * @return TRUE if the tvplayer is active, FALSE otherwise.
   1.624 + */
   1.625 +gboolean
   1.626 +mmyth_tvplayer_is_playing(MMythTVPlayer * tvplayer)
   1.627 +{
   1.628 +    return (GST_STATE(tvplayer->gst_pipeline) == GST_STATE_PLAYING);
   1.629 +}
   1.630 +
   1.631 +/** Static function that sets the tvplayer state to PLAYING.
   1.632 + *
   1.633 + * @param tvplayer the object instance.
   1.634 + * @return TRUE if the tvplayer is active, FALSE otherwise.
   1.635 + */
   1.636 +static          gboolean
   1.637 +idle_play(gpointer data)
   1.638 +{
   1.639 +    MMythTVPlayer  *tvplayer = MMYTH_TVPLAYER(data);
   1.640 +
   1.641 +    g_debug("MMythTVPlayer: Setting pipeline state to PLAYING\n");
   1.642 +
   1.643 +    gst_element_set_state(tvplayer->gst_pipeline, GST_STATE_PLAYING);
   1.644 +
   1.645 +    return FALSE;
   1.646 +}
   1.647 +
   1.648 +/** Start playing A/V with the tvplayer attributes.
   1.649 + *
   1.650 + * @param tvplayer the object instance.
   1.651 + */
   1.652 +void
   1.653 +mmyth_tvplayer_start_playing(MMythTVPlayer * tvplayer)
   1.654 +{
   1.655 +
   1.656 +    // FIXME: Move this to livetv_setup??
   1.657 +    if (tvplayer->is_livetv) {
   1.658 +
   1.659 +#if 0
   1.660 +        if (!tvplayer || !(tvplayer->proginfo)
   1.661 +            || !(tvplayer->local_hostname)
   1.662 +            || !(tvplayer->gst_source)) {
   1.663 +            g_warning("GMythtvPlayer not ready to start playing\n");
   1.664 +        }
   1.665 +
   1.666 +        if (!(tvplayer->proginfo->pathname)) {
   1.667 +            g_warning
   1.668 +                ("[%s] Playback url is null, could not play the myth content",
   1.669 +                 __FUNCTION__);
   1.670 +            return;
   1.671 +        }
   1.672 +
   1.673 +        g_debug("MMythTVPlayer: Start playing %s",
   1.674 +                tvplayer->proginfo->pathname->str);
   1.675 +#endif
   1.676 +        g_object_set(G_OBJECT(tvplayer->gst_source), "mythtv-live",
   1.677 +                     TRUE, NULL);
   1.678 +#if 0
   1.679 +        if (tvplayer->tvchain != NULL) {
   1.680 +            GString        *str_chainid =
   1.681 +                gmyth_tvchain_get_id(tvplayer->tvchain);
   1.682 +            g_print("[%s]\tCHAIN ID: %s\n", __FUNCTION__,
   1.683 +                    str_chainid->str);
   1.684 +
   1.685 +            g_object_set(G_OBJECT(tvplayer->gst_source),
   1.686 +                         "mythtv-live-chainid", g_strdup(str_chainid->str),
   1.687 +                         NULL);
   1.688 +            if (str_chainid != NULL)
   1.689 +                g_string_free(str_chainid, FALSE);
   1.690 +        }
   1.691 +
   1.692 +        if (tvplayer->recorder != NULL)
   1.693 +            g_object_set(G_OBJECT(tvplayer->gst_source), "mythtv-live-id",
   1.694 +                         tvplayer->recorder->recorder_num, NULL);
   1.695 +        g_debug("[%s] Setting location to %s", __FUNCTION__,
   1.696 +                tvplayer->proginfo->pathname->str);
   1.697 +
   1.698 +        /*
   1.699 +         * Sets the gstreamer properties acording to the service access
   1.700 +         * address 
   1.701 +         */
   1.702 +        g_object_set(G_OBJECT(tvplayer->gst_source), "location",
   1.703 +                     tvplayer->proginfo->pathname->str, NULL);
   1.704 +#endif
   1.705 +    }
   1.706 +
   1.707 +    g_object_set(G_OBJECT(tvplayer->gst_source), "mythtv-version",
   1.708 +                 MYTHTV_VERSION_DEFAULT, NULL);
   1.709 +
   1.710 +    g_object_set(G_OBJECT(tvplayer->gst_source), "mythtv-debug",
   1.711 +                 TRUE, NULL);
   1.712 +
   1.713 +    g_idle_add(idle_play, tvplayer);
   1.714 +
   1.715 +}