--- /dev/null
+/*
+ * This file is a part of MAFW
+ *
+ * Copyright (C) 2007, 2008, 2009 Nokia Corporation, all rights reserved.
+ *
+ * Contact: Visa Smolander <visa.smolander@nokia.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation; version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <string.h>
+#include "mafw-gst-renderer-state-transitioning.h"
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "mafw-gst-renderer-state-transitioning"
+
+#define UPDATE_DELAY 10
+
+/*----------------------------------------------------------------------------
+ Playback
+ ----------------------------------------------------------------------------*/
+
+static void _do_play(MafwGstRendererState *self, GError **error);
+static void _do_play_object(MafwGstRendererState *self, const gchar *object_id,
+ GError **error);
+static void _do_pause(MafwGstRendererState *self, GError **error);
+static void _do_stop(MafwGstRendererState *self, GError **error);
+static void _do_resume(MafwGstRendererState *self, GError **error);
+static void _do_get_position(MafwGstRendererState *self, gint *seconds,
+ GError **error);
+
+/*----------------------------------------------------------------------------
+ Playlist
+ ----------------------------------------------------------------------------*/
+
+static void _do_next(MafwGstRendererState *self, GError **error);
+static void _do_previous(MafwGstRendererState *self,GError **error);
+static void _do_goto_index(MafwGstRendererState *self, guint index,
+ GError **error);
+
+/*----------------------------------------------------------------------------
+ Notification metatada
+ ----------------------------------------------------------------------------*/
+
+static void _notify_metadata(MafwGstRendererState *self,
+ const gchar *object_id,
+ GHashTable *metadata,
+ GError **error);
+
+/*----------------------------------------------------------------------------
+ Notification worker
+ ----------------------------------------------------------------------------*/
+
+static void _notify_play(MafwGstRendererState *self, GError **error);
+static void _notify_pause(MafwGstRendererState *self,GError **error);
+
+static void _notify_buffer_status(MafwGstRendererState *self,
+ gdouble percent,
+ GError **error);
+
+/*----------------------------------------------------------------------------
+ Playlist editing signals
+ ----------------------------------------------------------------------------*/
+
+static void _playlist_contents_changed(MafwGstRendererState *self,
+ gboolean clip_changed,
+ GError **error);
+
+/*----------------------------------------------------------------------------
+ Property methods
+ ----------------------------------------------------------------------------*/
+
+static GValue* _get_property_value(MafwGstRendererState *self,
+ const gchar *name);
+
+/*----------------------------------------------------------------------------
+ GObject initialization
+ ----------------------------------------------------------------------------*/
+
+G_DEFINE_TYPE(MafwGstRendererStateTransitioning,
+ mafw_gst_renderer_state_transitioning,
+ MAFW_TYPE_GST_RENDERER_STATE);
+
+static void mafw_gst_renderer_state_transitioning_init(
+ MafwGstRendererStateTransitioning *self)
+{
+}
+
+static void mafw_gst_renderer_state_transitioning_class_init(
+ MafwGstRendererStateTransitioningClass *klass)
+{
+ MafwGstRendererStateClass *state_klass ;
+
+ state_klass = MAFW_GST_RENDERER_STATE_CLASS(klass);
+ g_return_if_fail(state_klass != NULL);
+
+ state_klass->name = g_strdup("Transitioning");
+
+ /* Playback */
+
+ state_klass->play = _do_play;
+ state_klass->play_object = _do_play_object;
+ state_klass->stop = _do_stop;
+ state_klass->pause = _do_pause;
+ state_klass->resume = _do_resume;
+ state_klass->get_position = _do_get_position;
+
+ /* Playlist */
+
+ state_klass->next = _do_next;
+ state_klass->previous = _do_previous;
+ state_klass->goto_index = _do_goto_index;
+
+ /* Metadata */
+
+ state_klass->notify_metadata = _notify_metadata;
+
+ /* Notification worker */
+
+ state_klass->notify_play = _notify_play;
+ state_klass->notify_pause = _notify_pause;
+ state_klass->notify_buffer_status = _notify_buffer_status;
+
+ /* Playlist editing signals */
+
+ state_klass->playlist_contents_changed =
+ _playlist_contents_changed;
+
+ /* Property methods */
+
+ state_klass->get_property_value = _get_property_value;
+}
+
+GObject *mafw_gst_renderer_state_transitioning_new(MafwGstRenderer *renderer)
+{
+ MafwGstRendererState *state;
+
+ state = MAFW_GST_RENDERER_STATE(
+ g_object_new(MAFW_TYPE_GST_RENDERER_STATE_TRANSITIONING, NULL));
+ state->renderer = renderer;
+
+ return G_OBJECT(state);
+}
+
+/*----------------------------------------------------------------------------
+ Playback
+ ----------------------------------------------------------------------------*/
+
+static void _do_play(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+ mafw_gst_renderer_state_do_play(self, error);
+}
+
+static void _do_play_object(MafwGstRendererState *self, const gchar *object_id,
+ GError **error)
+{
+ MafwGstRendererPlaybackMode cur_mode, prev_mode;
+
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+
+ prev_mode = mafw_gst_renderer_get_playback_mode(self->renderer);
+ mafw_gst_renderer_state_do_play_object(self, object_id, error);
+ cur_mode = mafw_gst_renderer_get_playback_mode(self->renderer);
+
+ /* If this happens it means that we interrupted playlist playback
+ so let's resume it when play_object is finished */
+ if (cur_mode != prev_mode) {
+ self->renderer->resume_playlist = TRUE;
+ }
+}
+
+static void _do_stop(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+
+ /* Stop playback */
+ mafw_gst_renderer_state_do_stop(self, error);
+}
+
+static void _do_pause(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+ g_debug("Got pause while transitioning");
+ self->renderer->worker->stay_paused = TRUE;
+}
+
+static void _do_resume(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+ if (self->renderer->worker->stay_paused) {
+ g_debug("Got resume while transitioning/paused");
+ self->renderer->worker->stay_paused = FALSE;
+ } else {
+ g_set_error(error, MAFW_RENDERER_ERROR,
+ MAFW_RENDERER_ERROR_CANNOT_PLAY,
+ "cannot resume in transitioning state without "
+ "having paused before");
+ }
+}
+
+static void _do_get_position(MafwGstRendererState *self, gint *seconds,
+ GError **error)
+{
+ *seconds = 0;
+}
+
+/*----------------------------------------------------------------------------
+ Playlist
+ ----------------------------------------------------------------------------*/
+
+static void _do_next(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+ mafw_gst_renderer_state_do_next(self, error);
+}
+
+static void _do_previous(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+ mafw_gst_renderer_state_do_prev(self, error);
+}
+
+static void _do_goto_index(MafwGstRendererState *self, guint index,
+ GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+ mafw_gst_renderer_state_do_goto_index(self, index, error);
+}
+
+/*----------------------------------------------------------------------------
+ Notification metatada
+ ----------------------------------------------------------------------------*/
+
+static void _notify_metadata(MafwGstRendererState *self,
+ const gchar *object_id,
+ GHashTable *metadata,
+ GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+
+ MafwGstRenderer *renderer;
+ GValue *mval;
+ gpointer value;
+ gint nuris, i;
+ gchar **uris;
+ gchar *uri;
+
+ g_debug("running _notify_metadata...");
+
+ renderer = MAFW_GST_RENDERER_STATE(self)->renderer;
+
+ /* If we have received metadata for the item that we are playing
+ then play it */
+ if (object_id && renderer->media->object_id &&
+ !strcmp(object_id, renderer->media->object_id)) {
+ /* Check how many uris provide the object_id */
+ value = g_hash_table_lookup(metadata, MAFW_METADATA_KEY_URI);
+ nuris = mafw_metadata_nvalues(value);
+ if (nuris == 1) {
+ mval = mafw_metadata_first(metadata,
+ MAFW_METADATA_KEY_URI);
+ g_assert(mval);
+ g_free(renderer->media->uri);
+ renderer->media->uri =
+ g_strdup(g_value_get_string(mval));
+ uri = renderer->media->uri;
+ } else if (nuris > 1) {
+ uris = g_new0(gchar *, nuris + 1);
+ for (i = 0; i < nuris; i++) {
+ mval = g_value_array_get_nth(value, i);
+ uris[i] = (gchar *) g_value_get_string(mval);
+ }
+
+ /* Try the first URI, if that fails to play back another
+ * one will be selected until we get a successful one or
+ * all failed. On success, the selected URI will be
+ * emitted as metadata */
+ g_free(renderer->media->uri);
+ renderer->media->uri = g_strdup(uris[0]);
+ } else {
+ g_assert_not_reached();
+ }
+
+ /* Set seekability property; currently, if several uris are
+ * provided it uses the value of the first uri. If later another
+ * uri is actually played, then this value should be changed. */
+ mval = mafw_metadata_first(metadata,
+ MAFW_METADATA_KEY_IS_SEEKABLE);
+ if (mval != NULL) {
+ renderer->media->seekability =
+ g_value_get_boolean(mval) ?
+ SEEKABILITY_SEEKABLE : SEEKABILITY_NO_SEEKABLE;
+ g_debug("_notify_metadata: source seekability %d",
+ renderer->media->seekability);
+ } else {
+ renderer->media->seekability = SEEKABILITY_UNKNOWN;
+ g_debug("_notify_metadata: source seekability unknown");
+ }
+
+ /* Check for source duration to keep it updated if needed */
+ mval = mafw_metadata_first(metadata,
+ MAFW_METADATA_KEY_DURATION);
+
+ if (mval != NULL) {
+ renderer->media->duration = g_value_get_int(mval);
+ g_debug("_notify_metadata: source duration %d",
+ renderer->media->duration);
+ } else {
+ renderer->media->duration = -1;
+ g_debug("_notify_metadata: source duration unknown");
+ }
+
+ /* Play the available uri(s) */
+ if (nuris == 1) {
+ mafw_gst_renderer_worker_play(renderer->worker, uri, NULL);
+ } else {
+ mafw_gst_renderer_worker_play_alternatives(
+ renderer->worker, uris);
+ g_free(uris);
+ }
+ }
+}
+
+/*----------------------------------------------------------------------------
+ Notification worker
+ ----------------------------------------------------------------------------*/
+
+static void _notify_play(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+
+ MafwGstRenderer *renderer = MAFW_GST_RENDERER_STATE(self)->renderer;
+
+ if (renderer->media->object_id)
+ {
+ renderer->update_playcount_id = g_timeout_add_seconds(
+ UPDATE_DELAY,
+ mafw_gst_renderer_update_stats,
+ renderer);
+ }
+
+ mafw_gst_renderer_set_state(renderer, Playing);
+}
+
+static void _notify_pause(MafwGstRendererState *self, GError **error)
+{
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+
+ MafwGstRenderer *renderer = MAFW_GST_RENDERER_STATE(self)->renderer;
+ self->renderer->worker->stay_paused = FALSE;
+ mafw_gst_renderer_set_state(renderer, Paused);
+}
+
+static void _notify_buffer_status(MafwGstRendererState *self, gdouble percent,
+ GError **error)
+{
+ mafw_gst_renderer_state_do_notify_buffer_status (self, percent, error);
+}
+
+/*----------------------------------------------------------------------------
+ Playlist editing signals
+ ----------------------------------------------------------------------------*/
+
+static void _playlist_contents_changed(MafwGstRendererState *self,
+ gboolean clip_changed,
+ GError **error)
+{
+ MafwGstRendererPlaybackMode mode;
+
+ g_return_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self));
+
+ /* Play the new index only if we are not in standalone mode.
+ Otherwise, when play_object finishes the new item will be
+ played if that's been suggested with renderer->resume_playlist */
+ mode = mafw_gst_renderer_get_playback_mode(self->renderer);
+ if (clip_changed && mode == MAFW_GST_RENDERER_MODE_PLAYLIST) {
+ mafw_gst_renderer_state_do_play(self, error);
+ }
+}
+
+/*----------------------------------------------------------------------------
+ Property methods
+ ----------------------------------------------------------------------------*/
+
+GValue* _get_property_value(MafwGstRendererState *self, const gchar *name)
+{
+ GValue *value = NULL;
+
+ g_return_val_if_fail(MAFW_IS_GST_RENDERER_STATE_TRANSITIONING(self),
+ value);
+
+ if (!g_strcmp0(name, MAFW_PROPERTY_RENDERER_TRANSPORT_ACTIONS)) {
+ value = g_new0(GValue, 1);
+ g_value_init(value, G_TYPE_STRING);
+ g_value_set_string(value, "");
+ }
+
+ return value;
+}
projects / mafwsubrenderer / blobdiff