diff options
Diffstat (limited to 'gst/modplug')
| -rw-r--r-- | gst/modplug/Makefile.am | 2 | ||||
| -rw-r--r-- | gst/modplug/modplug_types.cc | 221 |
2 files changed, 222 insertions, 1 deletions
diff --git a/gst/modplug/Makefile.am b/gst/modplug/Makefile.am index b8f62ce3..847e734d 100644 --- a/gst/modplug/Makefile.am +++ b/gst/modplug/Makefile.am @@ -4,7 +4,7 @@ plugindir = $(libdir)/gst plugin_LTLIBRARIES = libgstmodplug.la -libgstmodplug_la_SOURCES = gstmodplug.cc modplug_types.c +libgstmodplug_la_SOURCES = gstmodplug.cc modplug_types.cc libgstmodplug_la_CFLAGS = $(GST_CFLAGS) libgstmodplug_la_CXXFLAGS = $(GST_CFLAGS) libgstmodplug_la_LIBADD = libmodplug/libmodplug.la -lstdc++ diff --git a/gst/modplug/modplug_types.cc b/gst/modplug/modplug_types.cc new file mode 100644 index 00000000..a6ca7874 --- /dev/null +++ b/gst/modplug/modplug_types.cc @@ -0,0 +1,221 @@ +/* GStreamer + * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> + * + * 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 <gst/gst.h> +#include <string.h> /* memcmp */ +#include <ctype.h> /* isdigit */ + +#include "modplug_types.h" + +#define MODULEHEADERSIZE 0x438 + + +gboolean MOD_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ) + MODULEHEADERSIZE; + + /* Protracker and variants */ + if (( ! memcmp( data, "M.K.", 4 )) || ( ! memcmp( data, "M!K!", 4 ))) + return TRUE; + + /* Star Tracker */ + if ((( ! memcmp( data, "FLT", 3 )) || ( ! memcmp( data, "EXO", 3 ))) && ( isdigit( data[3] ))) + return TRUE; + + /* Oktalyzer (Amiga) */ + if (! memcmp( data, "OKTA", 4 )) + return TRUE; + + /* Oktalyser (Atari) */ + if ( ! memcmp( data, "CD81", 4 )) + return TRUE; + + /* Fasttracker */ + if (( ! memcmp( data + 1, "CHN", 3 )) && ( isdigit( data[0] ))) + return TRUE; + + /* Fasttracker or Taketracker */ + if ((( ! memcmp( data + 2, "CH", 2 )) || ( ! memcmp( data + 2, "CN", 2 ))) && ( isdigit( data[0] )) && ( isdigit( data[1] ))) + return TRUE; + + return FALSE; +} + +gboolean Mod_669_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if( ! memcmp( data, "if", 2 ) || ! memcmp( data, "JN", 2 )) + return TRUE; + + return FALSE; +} + +gboolean Amf_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if( memcmp( data, "AMF", 3) ) + return FALSE; + + data = GST_BUFFER_DATA( buf ) + 3; + + if (( (gint)*data >= 10 ) && ( (gint)*data <= 14 )) + return TRUE; + + return FALSE; +} + +gboolean Dsm_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if( ! memcmp( data, "RIFF", 4 ) && ! memcmp( data + 8, "DSMF", 4 )) + return TRUE; + + return FALSE; +} + +gboolean Fam_CheckType( GstBuffer *buf ) +{ +guint8 *data; +static unsigned char FARSIG[4+3]={'F','A','R',0xfe,13,10,26}; + + data = GST_BUFFER_DATA( buf ); + + if(( memcmp( data, FARSIG, 4 )) || ( memcmp( data + 44, FARSIG + 4, 3 ))) + return FALSE; + + return 1; +} + +gboolean Gdm_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if ( ! memcmp( data, "GDM\xfe", 4 ) && ! memcmp( data + 71, "GMFS", 4 )) + return TRUE; + + return FALSE; +} + +gboolean Imf_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ) + 0x3c; + + if( ! memcmp( data, "IM10", 4)) + return TRUE; + + return FALSE; +} + +gboolean It_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if( ! memcmp( data, "IMPM", 4 )) + return TRUE; + + return FALSE; +} + +gboolean M15_CheckType( GstBuffer *buf ) +{ + /* FIXME: M15 CheckType to do */ + return FALSE; +} + +gboolean Med_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if(( ! memcmp(data, "MMD0", 4 )) || ( memcmp( data, "MMD1", 4 ))) + return TRUE; + + return FALSE; +} + +gboolean Mtm_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if( ! memcmp( data, "MTM", 3 )) + return TRUE; + + return FALSE; +} + +gboolean Okt_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if( ! memcmp( data, "OKTSONG", 8 )) + return TRUE; + + return FALSE; +} + +gboolean S3m_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ) + 0x2c; + + if( ! memcmp( data, "SCRM", 4 )) + return TRUE; + + return FALSE; +} + +gboolean Xm_CheckType( GstBuffer *buf ) +{ +guint8 *data; + + data = GST_BUFFER_DATA( buf ); + + if( memcmp( data, "Extended Module: ", 17 )) + return FALSE; + + if( data[ 37 ] == 0x1a ) + return TRUE; + + return FALSE; +} + + |