obs-ffmpeg: Add end action UI property for local file source

For local file, replace UI properties :
"Loop" and "Show nothing when playback ends"
by a property list call End Action
with three possible values : Hide, Freeze, Loop

Author: mvji

plugins/obs-ffmpeg/data/locale/en-US.ini

@@ -33,6 +33,10 @@ NVENC.CQLevel="CQ Level"
 FFmpegSource="Media Source"
 LocalFile="Local File"
 Looping="Loop"
+EndAction="End Action"
+EndAction.Hide="Hide"
+EndAction.Freeze="Freeze"
+EndAction.Loop="Loop"
 Input="Input"
 InputFormat="Input Format"
 BufferingMB="Network Buffering"

plugins/obs-ffmpeg/obs-ffmpeg-source.c

@@ -86,28 +86,31 @@ static bool is_local_file_modified(obs_properties_t *props,
 	obs_property_t *input_format =
 		obs_properties_get(props, "input_format");
 	obs_property_t *local_file = obs_properties_get(props, "local_file");
-	obs_property_t *looping = obs_properties_get(props, "looping");
+	obs_property_t *end_action = obs_properties_get(props, "end_action");
 	obs_property_t *buffering = obs_properties_get(props, "buffering_mb");
 	obs_property_t *seekable = obs_properties_get(props, "seekable");
 	obs_property_t *speed = obs_properties_get(props, "speed_percent");
 	obs_property_t *reconnect_delay_sec =
 		obs_properties_get(props, "reconnect_delay_sec");
+	obs_property_t *clear_on_media_end =
+		obs_properties_get(props, "clear_on_media_end");
 	obs_property_set_visible(input, !enabled);
 	obs_property_set_visible(input_format, !enabled);
 	obs_property_set_visible(buffering, !enabled);
 	obs_property_set_visible(local_file, enabled);
-	obs_property_set_visible(looping, enabled);
+	obs_property_set_visible(end_action, enabled);
 	obs_property_set_visible(speed, enabled);
 	obs_property_set_visible(seekable, !enabled);
 	obs_property_set_visible(reconnect_delay_sec, !enabled);
+	obs_property_set_visible(clear_on_media_end, !enabled);
 
 	return true;
 }
 
 static void ffmpeg_source_defaults(obs_data_t *settings)
 {
 	obs_data_set_default_bool(settings, "is_local_file", true);
-	obs_data_set_default_bool(settings, "looping", false);
+	obs_data_set_default_int(settings, "end_action", 0);
 	obs_data_set_default_bool(settings, "clear_on_media_end", true);
 	obs_data_set_default_bool(settings, "restart_on_activate", true);
 	obs_data_set_default_bool(settings, "linear_alpha", false);
@@ -165,7 +168,13 @@ static obs_properties_t *ffmpeg_source_getproperties(void *data)
 	dstr_free(&filter);
 	dstr_free(&path);
 
-	obs_properties_add_bool(props, "looping", obs_module_text("Looping"));
+	prop = obs_properties_add_list(props, "end_action",
+				       obs_module_text("EndAction"),
+				       OBS_COMBO_TYPE_LIST,
+				       OBS_COMBO_FORMAT_INT);
+	obs_property_list_add_int(prop, obs_module_text("EndAction.Hide"), 0);
+	obs_property_list_add_int(prop, obs_module_text("EndAction.Freeze"), 1);
+	obs_property_list_add_int(prop, obs_module_text("EndAction.Loop"), 2);
 
 	obs_properties_add_bool(props, "restart_on_activate",
 				obs_module_text("RestartWhenActivated"));
@@ -410,7 +419,16 @@ static void ffmpeg_source_update(void *data, obs_data_t *settings)
 	if (is_local_file) {
 		input = (char *)obs_data_get_string(settings, "local_file");
 		input_format = NULL;
-		s->is_looping = obs_data_get_bool(settings, "looping");
+		s->is_looping = false;
+		s->is_clear_on_media_end = true; // end action : hide
+
+		int end_action = obs_data_get_int(settings, "end_action");
+		if (end_action == 1) { // End action : Freeze
+			s->is_clear_on_media_end = false;
+		} else if (end_action == 2) { // End action : Loop
+			s->is_clear_on_media_end = false;
+			s->is_looping = true;
+		}
 	} else {
 		input = (char *)obs_data_get_string(settings, "input");
 		input_format =
@@ -431,6 +449,8 @@ static void ffmpeg_source_update(void *data, obs_data_t *settings)
 			pthread_join(s->reconnect_thread, NULL);
 			s->stop_reconnect = false;
 		}
+		s->is_clear_on_media_end =
+			obs_data_get_bool(settings, "clear_on_media_end");
 	}
 
 	s->close_when_inactive =
@@ -439,8 +459,6 @@ static void ffmpeg_source_update(void *data, obs_data_t *settings)
 	s->input = input ? bstrdup(input) : NULL;
 	s->input_format = input_format ? bstrdup(input_format) : NULL;
 	s->is_hw_decoding = obs_data_get_bool(settings, "hw_decode");
-	s->is_clear_on_media_end =
-		obs_data_get_bool(settings, "clear_on_media_end");
 	s->restart_on_activate =
 		!astrcmpi_n(input, RIST_PROTO, sizeof(RIST_PROTO) - 1)
 			? false