+/*
+ * 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
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib.h>
+
+#include <string.h>
+#include <gio/gio.h>
+
+#include <gst/gst.h>
+
+#include "mafw-gst-renderer-utils.h"
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "mafw-gst-renderer-utils"
+
+/**
+ * convert_utf8:
+ * @src: string.
+ * @dst: location for utf8 version of @src.
+ *
+ * Tries to convert @src into UTF-8, placing it into @dst.
+ *
+ * Returns: TRUE on success.
+ */
+gboolean convert_utf8(const gchar *src, gchar **dst)
+{
+ GError *error;
+
+ if (!src || !dst)
+ return FALSE;
+ if (g_utf8_validate(src, -1, NULL)) {
+ *dst = g_strdup(src);
+ return TRUE;
+ }
+ error = NULL;
+ *dst = g_locale_to_utf8(src, -1, NULL, NULL, &error);
+ if (error) {
+ g_warning("utf8 conversion failed '%s' (%d: %s)",
+ src, error->code, error->message);
+ g_error_free(error);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+/**
+ * uri_is_stream:
+ * @uri: the URI to be checked.
+ *
+ * Check if given URI is a stream (not a local resource). To not depend on
+ * gnomevfs for this, we assume everything that doesn't start with "file://" is
+ * a stream.
+ *
+ * Returns: TRUE if the URI is not local.
+ */
+gboolean uri_is_stream(const gchar *uri)
+{
+ if (uri == NULL) {
+ return FALSE;
+ } else {
+ return !g_str_has_prefix(uri, "file://");
+ }
+}
+
+/** remap_gst_error_code:
+ *
+ * @error: pointer to error
+ *
+ * Maps a Gst error to worker errror code,
+ * mapping follows roughly the one from FMAFW gst-renderer.
+ *
+ * Returns: possibly remapped ecode if the domain was certain Gst domain.
+*/
+gint remap_gst_error_code(const GError *error)
+{
+
+ gint new_err_code;
+
+ if (error->domain == GST_RESOURCE_ERROR)
+ {
+ /* handle RESOURCE errors */
+ switch (error->code)
+ {
+ case GST_RESOURCE_ERROR_READ:
+ new_err_code = WORKER_ERROR_STREAM_DISCONNECTED;
+ break;
+ case GST_RESOURCE_ERROR_NOT_FOUND:
+ case GST_RESOURCE_ERROR_OPEN_READ_WRITE:
+ case GST_RESOURCE_ERROR_OPEN_READ:
+ new_err_code = WORKER_ERROR_MEDIA_NOT_FOUND;
+ break;
+ case GST_RESOURCE_ERROR_NO_SPACE_LEFT:
+ new_err_code = WORKER_ERROR_UNABLE_TO_PERFORM;
+ break;
+ case GST_RESOURCE_ERROR_WRITE:
+ /* DSP renderers send ERROR_WRITE when they find
+ corrupted data */
+ new_err_code = WORKER_ERROR_CORRUPTED_FILE;
+ break;
+ case GST_RESOURCE_ERROR_SEEK:
+ new_err_code = WORKER_ERROR_CANNOT_SET_POSITION;
+ break;
+ default:
+ /* Unknown RESOURCE error */
+ new_err_code = WORKER_ERROR_UNABLE_TO_PERFORM;
+ break;
+ }
+ }
+ else if (error->domain == GST_STREAM_ERROR)
+ {
+ /* handle STREAM errors */
+ switch (error->code) {
+ case GST_STREAM_ERROR_TYPE_NOT_FOUND:
+ new_err_code = WORKER_ERROR_TYPE_NOT_AVAILABLE;
+ break;
+ case GST_STREAM_ERROR_FORMAT:
+ case GST_STREAM_ERROR_WRONG_TYPE:
+ case GST_STREAM_ERROR_FAILED:
+ new_err_code = WORKER_ERROR_UNSUPPORTED_TYPE;
+ break;
+ case GST_STREAM_ERROR_DECODE:
+ case GST_STREAM_ERROR_DEMUX:
+ new_err_code = WORKER_ERROR_CORRUPTED_FILE;
+ break;
+ case GST_STREAM_ERROR_CODEC_NOT_FOUND:
+ new_err_code = WORKER_ERROR_CODEC_NOT_FOUND;
+ break;
+ case GST_STREAM_ERROR_DECRYPT:
+ case GST_STREAM_ERROR_DECRYPT_NOKEY:
+ new_err_code = WORKER_ERROR_DRM_NOT_ALLOWED;
+ break;
+ case WORKER_ERROR_POSSIBLY_PLAYLIST_TYPE:
+ new_err_code = WORKER_ERROR_POSSIBLY_PLAYLIST_TYPE;
+ break;
+ default:
+ /* Unknown STREAM error */
+ new_err_code = WORKER_ERROR_UNABLE_TO_PERFORM;
+ break;
+ }
+ }
+ else if( error->domain == GST_CORE_ERROR )
+ {
+ switch( error->code ) {
+ case GST_CORE_ERROR_MISSING_PLUGIN:
+ new_err_code = WORKER_ERROR_UNSUPPORTED_TYPE;
+ break;
+ default:
+ new_err_code = error->code;
+ }
+ }
+ else
+ {
+ /* by default return the original code */
+ new_err_code = error->code;
+ }
+
+ return new_err_code;
+
+}
+
+/*
+ * Imported from totem-uri.c
+ * Copyright (C) 2004 Bastien Nocera
+ */
+
+/* List from xine-lib's demux_sputext.c */
+static const char subtitle_ext[][4] = {
+ "sub",
+ "srt",
+ "smi",
+ "ssa",
+ "ass",
+ "asc"
+};
+
+static inline gboolean
+uri_exists (const char *uri)
+{
+ GFile *file = g_file_new_for_uri (uri);
+ if (file != NULL) {
+ if (g_file_query_exists (file, NULL)) {
+ g_object_unref (file);
+ return TRUE;
+ }
+ g_object_unref (file);
+ }
+ return FALSE;
+}
+
+static char *
+uri_get_subtitle_for_uri (const char *uri)
+{
+ char *subtitle;
+ guint len, i;
+ gint suffix;
+
+ /* Find the filename suffix delimiter */
+ len = strlen (uri);
+ for (suffix = len - 1; suffix > 0; suffix--) {
+ if (uri[suffix] == G_DIR_SEPARATOR ||
+ (uri[suffix] == '/')) {
+ /* This filename has no extension; we'll need to
+ * add one */
+ suffix = len;
+ break;
+ }
+ if (uri[suffix] == '.') {
+ /* Found our extension marker */
+ break;
+ }
+ }
+ if (suffix < 0)
+ return NULL;
+
+ /* Generate a subtitle string with room at the end to store the
+ * 3 character extensions for which we want to search */
+ subtitle = g_malloc0 (suffix + 4 + 1);
+ g_return_val_if_fail (subtitle != NULL, NULL);
+ g_strlcpy (subtitle, uri, suffix + 4 + 1);
+ g_strlcpy (subtitle + suffix, ".???", 5);
+
+ /* Search for any files with one of our known subtitle extensions */
+ for (i = 0; i < G_N_ELEMENTS (subtitle_ext) ; i++) {
+ char *subtitle_ext_upper;
+ memcpy (subtitle + suffix + 1, subtitle_ext[i], 3);
+
+ if (uri_exists (subtitle))
+ return subtitle;
+
+ /* Check with upper-cased extension */
+ subtitle_ext_upper = g_ascii_strup (subtitle_ext[i], -1);
+ memcpy (subtitle + suffix + 1, subtitle_ext_upper, 3);
+ g_free (subtitle_ext_upper);
+
+ if (uri_exists (subtitle))
+ return subtitle;
+ }
+ g_free (subtitle);
+ return NULL;
+}
+
+static char *
+uri_get_subtitle_in_subdir (GFile *file, const char *subdir)
+{
+ char *filename, *subtitle, *full_path_str;
+ GFile *parent, *full_path, *directory;
+
+ /* Get the sibling directory @subdir of the file @file */
+ parent = g_file_get_parent (file);
+ directory = g_file_get_child (parent, subdir);
+ g_object_unref (parent);
+
+ /* Get the file of the same name as @file in the @subdir directory */
+ filename = g_file_get_basename (file);
+ full_path = g_file_get_child (directory, filename);
+ g_object_unref (directory);
+ g_free (filename);
+
+ /* Get the subtitles from that URI */
+ full_path_str = g_file_get_uri (full_path);
+ g_object_unref (full_path);
+ subtitle = uri_get_subtitle_for_uri (full_path_str);
+ g_free (full_path_str);
+
+ return subtitle;
+}
+
+char *
+uri_get_subtitle_uri (const char *uri)
+{
+ GFile *file;
+ char *subtitle;
+
+ if (g_str_has_prefix (uri, "http") != FALSE)
+ return NULL;
+
+ /* Has the user specified a subtitle file manually? */
+ if (strstr (uri, "#subtitle:") != NULL)
+ return NULL;
+
+ /* Does the file exist? */
+ file = g_file_new_for_uri (uri);
+ if (g_file_query_exists (file, NULL) != TRUE) {
+ g_object_unref (file);
+ return NULL;
+ }
+
+ /* Try in the current directory */
+ subtitle = uri_get_subtitle_for_uri (uri);
+ if (subtitle != NULL) {
+ g_object_unref (file);
+ return subtitle;
+ }
+
+ subtitle = uri_get_subtitle_in_subdir (file, "subtitles");
+ g_object_unref (file);
+
+ return subtitle;
+}
projects / mafwsubrenderer / blobdiff