commit aafe569d51be89c6d59b72a71fb97e674cd8a7a3
parent f63594c7e4f61eb1d11ed292c0fcf2f589718429
Author: Toni Ruottu <toni.ruottu@helsinki.fi>
Date: Fri, 10 Nov 2006 21:41:11 +0000
Added nsf support.
Diffstat:
6 files changed, 177 insertions(+), 1 deletion(-)
diff --git a/AUTHORS b/AUTHORS
@@ -33,6 +33,7 @@ thumbnailqt - Nils Durner <durner@gnunet.org>
exiv2 - Andreas Huggel <ahuggel@gmx.net>
language - Roberto Cappuccio <roberto.cappuccio@gmail.com> (from libkat)
word - Ariya Hidayat <ariya@kde.org> and Sacha Fuentes <mandelman@iname.com>
+nsf - Toni Ruottu <toni.ruottu@iki.fi>
General contributors:
Yuri N. Sedunov <aris@altlinux.ru>
diff --git a/ChangeLog b/ChangeLog
@@ -1,3 +1,6 @@
+Sat Nov 11 00:04:34 EET 2006
+ Added a NSF ( NES Sound Format ) plugin
+
Sat Sep 16 12:36:42 MDT 2006
Added support for various additional tags to ID3v2 extractors.
Now (again) trimming whitespace at the end of ID3v1 tags.
diff --git a/NEWS b/NEWS
@@ -1,3 +1,6 @@
+Sat Nov 11 00:04:34 EET 2006
+ Added a NSF ( NES Sound Format ) plugin
+
Tue Apr 18 14:44:37 PDT 2006
Added dictionaries for Finnish, French, Gaelic and Swedish
(for printable extractors).
diff --git a/src/main/extractor.c b/src/main/extractor.c
@@ -234,7 +234,8 @@ libextractor_riff:\
libextractor_mpeg:\
libextractor_elf:\
libextractor_oo:\
-libextractor_asf"
+libextractor_asf:\
+libextractor_nsf"
#define DEFAULT_LIBRARIES EXSO OLESO OGGSO QTSO DEFSO
diff --git a/src/plugins/Makefile.am b/src/plugins/Makefile.am
@@ -73,6 +73,7 @@ plugin_LTLIBRARIES = $(pdfplugin) \
libextractor_mime.la \
libextractor_mp3.la \
$(extrampeg) \
+ libextractor_nsf.la \
$(extraogg) \
libextractor_png.la \
libextractor_ps.la \
@@ -291,6 +292,13 @@ libextractor_filename_la_LIBADD = \
$(top_builddir)/src/main/libextractor.la \
libconvert.la
+libextractor_nsf_la_SOURCES = \
+ nsfextractor.c
+libextractor_nsf_la_LDFLAGS = \
+ $(PLUGINFLAGS) $(retaincommand)
+libextractor_nsf_la_LIBADD = \
+ $(top_builddir)/src/main/libextractor.la
+
libextractor_split_la_SOURCES = \
splitextractor.c
libextractor_split_la_LDFLAGS = \
diff --git a/src/plugins/nsfextractor.c b/src/plugins/nsfextractor.c
@@ -0,0 +1,160 @@
+/*
+ This file is part of libextractor.
+ (C) 2006 Toni Ruottu
+
+ libextractor is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 2, or (at your
+ option) any later version.
+
+ libextractor 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
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with libextractor; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+ */
+
+#include "platform.h"
+#include "extractor.h"
+#include "convert.h"
+
+
+static struct EXTRACTOR_Keywords *
+addkword(EXTRACTOR_KeywordList *oldhead,
+ const char * phrase,
+ EXTRACTOR_KeywordType type) {
+ EXTRACTOR_KeywordList * keyword;
+
+ keyword = malloc(sizeof(EXTRACTOR_KeywordList));
+ keyword->next = oldhead;
+ keyword->keyword = strdup(phrase);
+ keyword->keywordType = type;
+ return keyword;
+}
+
+
+/* "extract" keyword from a Nes Sound Format file
+ *
+ * NSF specification version 1.61 was used,
+ * while this piece of software was originally
+ * written.
+ *
+ * */
+struct EXTRACTOR_Keywords *
+libextractor_nsf_extract(const char * filename,
+ char * data,
+ size_t size,
+ struct EXTRACTOR_Keywords * prev) {
+ int i;
+ char name[32];
+ char artist[32];
+ char copyright[32];
+ char songs[32];
+ char startingsong[32];
+
+
+ /* Check header size and "magic" id bytes */
+
+ if
+ (
+ size < 0x80 ||
+ data[0] != 'N' ||
+ data[1] != 'E' ||
+ data[2] != 'S' ||
+ data[3] != 'M' ||
+ data[4] != 0x1a
+ )
+ {
+ return prev;
+ }
+
+
+ /* Mime-type */
+
+ prev = addkword(prev, "audio/x-nsf", EXTRACTOR_MIMETYPE);
+
+
+ /* Version of NSF format */
+
+ sprintf( startingsong, "NSF version: %d", data[5] );
+ prev = addkword(prev, startingsong, EXTRACTOR_UNKNOWN);
+
+
+ /* Get song count */
+
+ sprintf( songs, "total songs: %d", data[6] );
+ prev = addkword(prev, songs, EXTRACTOR_UNKNOWN);
+
+
+ /* Get number of the first song to be played */
+
+ sprintf( startingsong, "starting song: %d", data[7] );
+ prev = addkword(prev, startingsong, EXTRACTOR_UNKNOWN);
+
+
+ /* Parse name, artist, copyright fields */
+
+ for( i = 0; i < 32; i++ )
+ {
+ name[i] = data[ 0x0e + i ];
+ artist[i] = data[ 0x2e + i ];
+ copyright[i] = data[ 0x4e + i ];
+ }
+
+ prev = addkword(prev, name, EXTRACTOR_TITLE);
+ prev = addkword(prev, artist, EXTRACTOR_ARTIST);
+ prev = addkword(prev, copyright, EXTRACTOR_COPYRIGHT);
+
+
+ /* PAL or NTSC */
+
+ if( data[0x7a] & 2 )
+ {
+ prev = addkword(prev, "a dual PAL/NTSC tune", EXTRACTOR_UNKNOWN);
+ }
+ else
+ {
+ if( data[0x7a] & 1 )
+ {
+ prev = addkword(prev, "a PAL tune", EXTRACTOR_UNKNOWN);
+ }
+ else
+ {
+ prev = addkword(prev, "an NTSC tune", EXTRACTOR_UNKNOWN);
+ }
+ }
+
+
+ /* Detect Extra Sound Chips needed to play the files */
+
+ if( data[0x7b] & 1 )
+ {
+ prev = addkword(prev, "uses VRCVI", EXTRACTOR_UNKNOWN);
+ }
+ if( data[0x7b] & 2 )
+ {
+ prev = addkword(prev, "uses VRCVII", EXTRACTOR_UNKNOWN);
+ }
+ if( data[0x7b] & 4 )
+ {
+ prev = addkword(prev, "uses FDS Sound", EXTRACTOR_UNKNOWN);
+ }
+ if( data[0x7b] & 8 )
+ {
+ prev = addkword(prev, "uses MMC5 audio", EXTRACTOR_UNKNOWN);
+ }
+ if( data[0x7b] & 16 )
+ {
+ prev = addkword(prev, "uses Namco 106", EXTRACTOR_UNKNOWN);
+ }
+ if( data[0x7b] & 32 )
+ {
+ prev = addkword(prev, "uses Sunsoft FME-07", EXTRACTOR_UNKNOWN);
+ }
+
+ return prev;
+}
