/* GStreamer * Copyright (C) <1999> Erik Walthinsen * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #include /*#define debug(format,args...) g_print(format,##args) */ #ifdef G_HAVE_ISO_VARARGS #define debug(...) #elif defined(G_HAVE_GNUC_VARARGS) #define debug(format,args...) #endif gulong gst_riff_fourcc_to_id(gchar *fourcc) { g_return_val_if_fail(fourcc != NULL, 0); return GUINT32_FROM_LE((gulong)(fourcc[0] << 0) | (fourcc[1] << 8) | (fourcc[2] << 16) | (fourcc[3] << 24)); } gchar *gst_riff_id_to_fourcc(gulong id) { static gchar fourcc[5]; g_return_val_if_fail(fourcc != NULL, NULL); id = GUINT32_FROM_LE(id); fourcc[0] = (id >> 0) & 0xff; fourcc[1] = (id >> 8) & 0xff; fourcc[2] = (id >> 16) & 0xff; fourcc[3] = (id >> 24) & 0xff; fourcc[4] = 0; return fourcc; }