+/* GStreamer
+ * Copyright (C) 2003 Thomas Vander Stichele <thomas@apestaart.org>
+ * 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
+ * 2005 Andy Wingo <wingo@pobox.com>
+ *
+ * gst-typefind.c: Use GStreamer to find the type of a file
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library 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.
+ */
+
+
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string.h>
-#include <stdlib.h>
-#include <gst/gst.h>
-
-/*
- * find the type of a media file and display it's properties
- **/
+#include <locale.h>
-gboolean FOUND = FALSE;
+#include "tools.h"
-void
-gst_caps_print (GstCaps *caps)
+static void
+have_type_handler (GstElement * typefind, guint probability,
+ const GstCaps * caps, GstCaps ** p_caps)
{
- while (caps) {
- g_print ("%s (%s)\n", caps->name, gst_caps_get_mime (caps));
- if (caps->properties) {
- g_print ("has properties\n");
- }
- caps = caps->next;
+ if (p_caps) {
+ *p_caps = gst_caps_copy (caps);
}
}
-void
-have_type_handler (GstElement *typefind, gpointer data)
+static void
+typefind_file (const gchar * filename)
{
- GstCaps *caps = (GstCaps *) data;
- gst_caps_print (caps);
- FOUND = TRUE;
+ GstStateChangeReturn sret;
+ GstElement *pipeline;
+ GstElement *source;
+ GstElement *typefind;
+ GstElement *fakesink;
+ GstState state;
+ GstCaps *caps = NULL;
+ GDir *dir;
+
+ if ((dir = g_dir_open (filename, 0, NULL))) {
+ const gchar *entry;
+
+ while ((entry = g_dir_read_name (dir))) {
+ gchar *path;
+
+ path = g_strconcat (filename, G_DIR_SEPARATOR_S, entry, NULL);
+ typefind_file (path);
+ g_free (path);
+ }
+
+ g_dir_close (dir);
+ return;
+ }
+
+ pipeline = gst_pipeline_new ("pipeline");
+
+ source = gst_element_factory_make ("filesrc", "source");
+ g_assert (GST_IS_ELEMENT (source));
+ typefind = gst_element_factory_make ("typefind", "typefind");
+ g_assert (GST_IS_ELEMENT (typefind));
+ fakesink = gst_element_factory_make ("fakesink", "fakesink");
+ g_assert (GST_IS_ELEMENT (typefind));
+
+ gst_bin_add_many (GST_BIN (pipeline), source, typefind, fakesink, NULL);
+ gst_element_link_many (source, typefind, fakesink, NULL);
+
+ g_signal_connect (G_OBJECT (typefind), "have-type",
+ G_CALLBACK (have_type_handler), &caps);
+
+ g_object_set (source, "location", filename, NULL);
+
+ GST_DEBUG ("Starting typefinding for %s", filename);
+
+ /* typefind will only commit to PAUSED if it actually finds a type;
+ * otherwise the state change fails */
+ gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PAUSED);
+
+ /* wait until state change either completes or fails */
+ sret = gst_element_get_state (GST_ELEMENT (pipeline), &state, NULL, -1);
+
+ switch (sret) {
+ case GST_STATE_CHANGE_FAILURE:{
+ GstMessage *msg;
+ GstBus *bus;
+ GError *err = NULL;
+
+ bus = gst_pipeline_get_bus (GST_PIPELINE (pipeline));
+ msg = gst_bus_poll (bus, GST_MESSAGE_ERROR, 0);
+ gst_object_unref (bus);
+
+ if (msg) {
+ gst_message_parse_error (msg, &err, NULL);
+ g_printerr ("%s - FAILED: %s\n", filename, err->message);
+ g_clear_error (&err);
+ gst_message_unref (msg);
+ } else {
+ g_printerr ("%s - FAILED: unknown error\n", filename);
+ }
+ break;
+ }
+ case GST_STATE_CHANGE_SUCCESS:{
+ if (caps) {
+ gchar *caps_str;
+
+ caps_str = gst_caps_to_string (caps);
+ g_print ("%s - %s\n", filename, caps_str);
+ g_free (caps_str);
+ gst_caps_unref (caps);
+ } else {
+ g_print ("%s - %s\n", filename, "No type found");
+ }
+ break;
+ }
+ default:
+ g_assert_not_reached ();
+ }
+
+ gst_element_set_state (pipeline, GST_STATE_NULL);
+ gst_object_unref (pipeline);
}
int
main (int argc, char *argv[])
{
- GstElement *pipeline;
- GstElement *source, *typefind;
+ gchar **filenames = NULL;
+ guint num, i;
+ GError *err = NULL;
+ GOptionContext *ctx;
+ GOptionEntry options[] = {
+ GST_TOOLS_GOPTION_VERSION,
+ {G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_FILENAME_ARRAY, &filenames, NULL},
+ {NULL}
+ };
+
+ setlocale (LC_ALL, "");
- gst_init (&argc, &argv);
+#ifdef ENABLE_NLS
+ bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+ textdomain (GETTEXT_PACKAGE);
+#endif
+
+ g_set_prgname ("gst-typefind-" GST_API_VERSION);
- if (argc < 2) {
- g_print ("Please give a filename to typefind\n\n");
+ ctx = g_option_context_new ("FILES");
+ g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
+ 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", GST_STR_NULL (err->message));
+ g_clear_error (&err);
+ g_option_context_free (ctx);
exit (1);
}
- pipeline = gst_pipeline_new (NULL);
- source = gst_element_factory_make ("filesrc", "source");
- g_assert (GST_IS_ELEMENT (source));
- g_object_set (source, "location", argv[1], NULL);
- typefind = gst_element_factory_make ("typefind", "typefind");
- g_assert (GST_IS_ELEMENT (typefind));
- gst_bin_add_many (GST_BIN (pipeline), source, typefind, NULL);
- gst_element_link (source, typefind);
- g_signal_connect (G_OBJECT (typefind), "have-type",
- G_CALLBACK (have_type_handler), NULL);
+ g_option_context_free (ctx);
- /* set to play */
- gst_element_set_state (GST_ELEMENT (pipeline), GST_STATE_PLAYING);
+ gst_tools_print_version ();
- while (gst_bin_iterate (GST_BIN (pipeline)) && !FOUND) ;
- if (!FOUND) {
- g_print ("No type found\n");
+ if (filenames == NULL || *filenames == NULL) {
+ g_print ("Please give one or more filenames to %s\n\n", g_get_prgname ());
return 1;
}
+
+ num = g_strv_length (filenames);
+
+ for (i = 0; i < num; ++i) {
+ typefind_file (filenames[i]);
+ }
+
+ g_strfreev (filenames);
+
return 0;
}
projects / platform / upstream / gstreamer.git / blobdiff