| #include <gst/gst.h> |
| #include <glib.h> |
|
|
| static gboolean |
| bus_call(GstBus * bus, GstMessage * msg, gpointer data) |
| { |
| GMainLoop *loop = (GMainLoop *) data; |
|
|
| switch (GST_MESSAGE_TYPE(msg)) { |
|
|
| case GST_MESSAGE_EOS: |
| g_print("End of stream\n"); |
| g_main_loop_quit(loop); |
| break; |
|
|
| case GST_MESSAGE_ERROR:{ |
| gchar *debug; |
| GError *error; |
|
|
| gst_message_parse_error(msg, &error, &debug); |
| g_free(debug); |
|
|
| g_printerr("Error: %s\n", error->message); |
| g_error_free(error); |
|
|
| g_main_loop_quit(loop); |
| break; |
| } |
| default: |
| break; |
| } |
| |
| const GstStructure *st = gst_message_get_structure(msg); |
| if (st && strcmp(gst_structure_get_name(st), "pocketsphinx") == 0) { |
| if (g_value_get_boolean(gst_structure_get_value(st, "final"))) |
| g_print("Got result %s\n", g_value_get_string(gst_structure_get_value(st, "hypothesis"))); |
| } |
|
|
| return TRUE; |
| } |
|
|
|
|
| int |
| main(int argc, char *argv[]) |
| { |
| GMainLoop *loop; |
|
|
| GstElement *pipeline, *source, *decoder, *sink; |
| GstBus *bus; |
| guint bus_watch_id; |
|
|
| |
| gst_init(&argc, &argv); |
|
|
| loop = g_main_loop_new(NULL, FALSE); |
|
|
| |
| if (argc != 2) { |
| g_printerr("Usage: %s <file.raw>\n", argv[0]); |
| return -1; |
| } |
|
|
| |
| pipeline = gst_pipeline_new("pipeline"); |
| source = gst_element_factory_make("filesrc", "file-source"); |
| decoder = gst_element_factory_make("pocketsphinx", "asr"); |
| sink = gst_element_factory_make("fakesink", "output"); |
|
|
| if (!pipeline || !source || !decoder || !sink) { |
| g_printerr("One element could not be created. Exiting.\n"); |
| return -1; |
| } |
|
|
| |
| |
| g_object_set(G_OBJECT(source), "location", argv[1], NULL); |
|
|
| g_object_set(G_OBJECT(decoder), "lmctl", "test.lmctl", NULL); |
| g_object_set(G_OBJECT(decoder), "lmname", "tidigits", NULL); |
|
|
| |
| bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline)); |
| bus_watch_id = gst_bus_add_watch(bus, bus_call, loop); |
| gst_object_unref(bus); |
|
|
| |
| gst_bin_add_many(GST_BIN(pipeline), source, decoder, sink, NULL); |
|
|
| |
| gst_element_link_many(source, decoder, sink, NULL); |
|
|
| gst_element_set_state(pipeline, GST_STATE_PLAYING); |
|
|
| |
| g_print("Running...\n"); |
| g_main_loop_run(loop); |
|
|
| |
| g_print("Returned, stopping playback\n"); |
| gst_element_set_state(pipeline, GST_STATE_NULL); |
|
|
| g_print("Deleting pipeline\n"); |
| gst_object_unref(GST_OBJECT(pipeline)); |
| g_source_remove(bus_watch_id); |
| g_main_loop_unref(loop); |
|
|
| return 0; |
| } |
|
|
