GESClip * make_source (char *path, guint64 start, guint64 duration, gint priority) { gchar *uri = gst_filename_to_uri (path, NULL); GESClip *ret = GES_CLIP (ges_uri_clip_new (uri)); g_object_set (ret, "start", (guint64) start, "duration", (guint64) duration, "priority", (guint32) priority, "in-point", (guint64) 0, NULL); g_free (uri); return ret; }
int main (int argc, gchar ** argv) { GESTimelinePipeline *pipeline; GESTimeline *timeline; GESTrack *tracka; GESTimelineLayer *layer; GMainLoop *mainloop; guint i; if (argc < 2) { g_print ("Usage: %s <list of audio files>\n", argv[0]); return -1; } /* Initialize GStreamer (this will parse environment variables and commandline * arguments. */ gst_init (&argc, &argv); /* Initialize the GStreamer Editing Services */ ges_init (); /* Setup of an audio timeline */ /* This is our main GESTimeline */ timeline = ges_timeline_new (); tracka = ges_track_audio_raw_new (); /* We are only going to be doing one layer of clips */ layer = (GESTimelineLayer *) ges_simple_timeline_layer_new (); /* Add the tracks and the layer to the timeline */ if (!ges_timeline_add_layer (timeline, layer)) return -1; if (!ges_timeline_add_track (timeline, tracka)) return -1; /* Here we've finished initializing our timeline, we're * ready to start using it... by solely working with the layer ! */ for (i = 1; i < argc; i++) { gchar *uri = gst_filename_to_uri (argv[i], NULL); GESUriClip *src = ges_uri_clip_new (uri); g_assert (src); g_free (uri); g_object_set (src, "duration", GST_SECOND, NULL); /* Since we're using a GESSimpleTimelineLayer, objects will be automatically * appended to the end of the layer */ ges_timeline_layer_add_clip (layer, (GESClip *) src); } /* In order to view our timeline, let's grab a convenience pipeline to put * our timeline in. */ pipeline = ges_timeline_pipeline_new (); /* Add the timeline to that pipeline */ if (!ges_timeline_pipeline_add_timeline (pipeline, timeline)) return -1; /* The following is standard usage of a GStreamer pipeline (note how you haven't * had to care about GStreamer so far ?). * * We set the pipeline to playing ... */ gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); /* .. and we start a GMainLoop. GES **REQUIRES** a GMainLoop to be running in * order to function properly ! */ mainloop = g_main_loop_new (NULL, FALSE); /* Simple code to have the mainloop shutdown after 4s */ g_timeout_add_seconds (argc - 1, (GSourceFunc) g_main_loop_quit, mainloop); g_main_loop_run (mainloop); return 0; }
int main (int argc, gchar ** argv) { GError *err = NULL; GOptionContext *ctx; GESPipeline *pipeline; GESTimeline *timeline; GESTrack *tracka, *trackv; GESLayer *layer1, *layer2; GESUriClip *src; GMainLoop *mainloop; gint inpoint = 0, duration = 10; gboolean mute = FALSE; gchar *audiofile = NULL; GOptionEntry options[] = { {"inpoint", 'i', 0, G_OPTION_ARG_INT, &inpoint, "in-point in the file (in seconds, default:0s)", "seconds"}, {"duration", 'd', 0, G_OPTION_ARG_INT, &duration, "duration to use from the file (in seconds, default:10s)", "seconds"}, {"mute", 'm', 0, G_OPTION_ARG_NONE, &mute, "Whether to mute the audio from the file",}, {"audiofile", 'a', 0, G_OPTION_ARG_FILENAME, &audiofile, "Use this audiofile instead of the original audio from the file", "audiofile"}, {NULL} }; ctx = g_option_context_new ("- Plays an video file with sound (origin/muted/replaced)"); g_option_context_add_main_entries (ctx, options, NULL); g_option_context_add_group (ctx, gst_init_get_option_group ()); if (!g_option_context_parse (ctx, &argc, &argv, &err)) { g_print ("Error initializing %s\n", err->message); exit (1); } if (argc == 1) { g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL)); exit (0); } g_option_context_free (ctx); ges_init (); /* Create an Audio/Video pipeline with two layers */ pipeline = ges_pipeline_new (); timeline = ges_timeline_new (); tracka = GES_TRACK (ges_audio_track_new ()); trackv = GES_TRACK (ges_video_track_new ()); layer1 = ges_layer_new (); layer2 = ges_layer_new (); g_object_set (layer2, "priority", 1, NULL); if (!ges_timeline_add_layer (timeline, layer1) || !ges_timeline_add_layer (timeline, layer2) || !ges_timeline_add_track (timeline, tracka) || !ges_timeline_add_track (timeline, trackv) || !ges_pipeline_set_timeline (pipeline, timeline)) return -1; if (1) { gchar *uri = gst_filename_to_uri (argv[1], NULL); /* Add the main audio/video file */ src = ges_uri_clip_new (uri); g_free (uri); g_object_set (src, "start", 0, "in-point", inpoint * GST_SECOND, "duration", duration * GST_SECOND, "mute", mute, NULL); ges_layer_add_clip (layer1, GES_CLIP (src)); } /* Play the pipeline */ gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING); mainloop = g_main_loop_new (NULL, FALSE); g_timeout_add_seconds (duration + 1, (GSourceFunc) g_main_loop_quit, mainloop); g_main_loop_run (mainloop); return 0; }
static void make_source (GESFormatter * self, GList * reflist, GHashTable * source_table) { GHashTable *props_table, *effect_table; gchar **prio_array; GESLayer *layer; GESPitiviFormatterPrivate *priv = GES_PITIVI_FORMATTER (self)->priv; gchar *fac_ref = NULL, *media_type = NULL, *filename = NULL, *prio_str; GList *tmp = NULL, *keys, *tmp_key; GESUriClip *src = NULL; gint prio; gboolean a_avail = FALSE, v_avail = FALSE, video; GHashTable *trackelement_table = priv->track_elements_table; for (tmp = reflist; tmp; tmp = tmp->next) { /* Get the layer */ props_table = g_hash_table_lookup (trackelement_table, (gchar *) tmp->data); prio_str = (gchar *) g_hash_table_lookup (props_table, "priority"); prio_array = g_strsplit (prio_str, ")", 0); prio = (gint) g_ascii_strtod (prio_array[1], NULL); g_strfreev (prio_array); /* If we do not have any layer with this priority, create it */ if (!(layer = g_hash_table_lookup (priv->layers_table, &prio))) { layer = ges_layer_new (); g_object_set (layer, "auto-transition", TRUE, "priority", prio, NULL); ges_timeline_add_layer (self->timeline, layer); g_hash_table_insert (priv->layers_table, g_memdup (&prio, sizeof (guint64)), layer); } fac_ref = (gchar *) g_hash_table_lookup (props_table, "fac_ref"); media_type = (gchar *) g_hash_table_lookup (props_table, "media_type"); if (!g_strcmp0 (media_type, "pitivi.stream.VideoStream")) video = TRUE; else video = FALSE; /* FIXME I am sure we could reimplement this whole part * in a simpler way */ if (g_strcmp0 (fac_ref, (gchar *) "effect")) { /* FIXME this is a hack to get a ref to the formatter when receiving * child-added */ g_hash_table_insert (props_table, (gchar *) "current-formatter", self); if (a_avail && (!video)) { a_avail = FALSE; } else if (v_avail && (video)) { v_avail = FALSE; } else { /* If we only have audio or only video in the previous source, * set it has such */ if (a_avail) { ges_clip_set_supported_formats (GES_CLIP (src), GES_TRACK_TYPE_VIDEO); } else if (v_avail) { ges_clip_set_supported_formats (GES_CLIP (src), GES_TRACK_TYPE_AUDIO); } filename = (gchar *) g_hash_table_lookup (source_table, "filename"); src = ges_uri_clip_new (filename); if (!video) { v_avail = TRUE; a_avail = FALSE; } else { a_avail = TRUE; v_avail = FALSE; } set_properties (G_OBJECT (src), props_table); ges_layer_add_clip (layer, GES_CLIP (src)); g_signal_connect (src, "child-added", G_CALLBACK (track_element_added_cb), props_table); priv->sources_to_load = g_list_prepend (priv->sources_to_load, src); } } else { GESEffect *effect; gchar *active = (gchar *) g_hash_table_lookup (props_table, "active"); effect = ges_effect_new ((gchar *) g_hash_table_lookup (props_table, (gchar *) "effect_name")); ges_track_element_set_track_type (GES_TRACK_ELEMENT (effect), (video ? GES_TRACK_TYPE_VIDEO : GES_TRACK_TYPE_AUDIO)); effect_table = g_hash_table_lookup (props_table, (gchar *) "effect_props"); ges_container_add (GES_CONTAINER (src), GES_TIMELINE_ELEMENT (effect)); if (!g_strcmp0 (active, (gchar *) "(bool)False")) ges_track_element_set_active (GES_TRACK_ELEMENT (effect), FALSE); /* Set effect properties */ keys = g_hash_table_get_keys (effect_table); for (tmp_key = keys; tmp_key; tmp_key = tmp_key->next) { GstStructure *structure; const GValue *value; GParamSpec *spec; GstCaps *caps; gchar *prop_val; prop_val = (gchar *) g_hash_table_lookup (effect_table, (gchar *) tmp_key->data); if (g_strstr_len (prop_val, -1, "(GEnum)")) { gchar **val = g_strsplit (prop_val, ")", 2); ges_track_element_set_child_properties (GES_TRACK_ELEMENT (effect), (gchar *) tmp_key->data, atoi (val[1]), NULL); g_strfreev (val); } else if (ges_track_element_lookup_child (GES_TRACK_ELEMENT (effect), (gchar *) tmp->data, NULL, &spec)) { gchar *caps_str = g_strdup_printf ("structure1, property1=%s;", prop_val); caps = gst_caps_from_string (caps_str); g_free (caps_str); structure = gst_caps_get_structure (caps, 0); value = gst_structure_get_value (structure, "property1"); ges_track_element_set_child_property_by_pspec (GES_TRACK_ELEMENT (effect), spec, (GValue *) value); gst_caps_unref (caps); } } } } if (a_avail) { ges_clip_set_supported_formats (GES_CLIP (src), GES_TRACK_TYPE_VIDEO); } else if (v_avail) { ges_clip_set_supported_formats (GES_CLIP (src), GES_TRACK_TYPE_AUDIO); } }