commit d6bab730d41046a46e0761c796e7d550fa50897b
parent 11858fef855a448c8d3a747319ed0906fd0507d8
Author: Toni Ruottu <toni.ruottu@helsinki.fi>
Date: Sat, 16 Dec 2006 20:49:25 +0000
Cleared code layout a bit.
Diffstat:
1 file changed, 145 insertions(+), 134 deletions(-)
diff --git a/src/plugins/nsfextractor.c b/src/plugins/nsfextractor.c
@@ -1,21 +1,22 @@
/*
- 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.
+ * 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"
@@ -25,9 +26,13 @@
#define HEADER_SIZE 0x80
+/* television system flags */
+
#define PAL_FLAG 0x01
#define DUAL_FLAG 0x02
+/* sound chip flags */
+
#define VRCVI_FLAG 0x01
#define VRCVII_FLAG 0x02
#define FDS_FLAG 0x04
@@ -40,21 +45,21 @@
struct header
{
-char magicid[5];
-char nsfversion;
-char songs;
-char firstsong;
-UINT16 loadaddr;
-UINT16 initaddr;
-UINT16 playaddr;
-char title[32];
-char artist[32];
-char copyright[32];
-UINT16 ntscspeed;
-char bankswitch[8];
-UINT16 palspeed;
-char tvflags;
-char chipflags;
+ char magicid[ 5 ];
+ char nsfversion;
+ char songs;
+ char firstsong;
+ UINT16 loadaddr;
+ UINT16 initaddr;
+ UINT16 playaddr;
+ char title[ 32 ];
+ char artist[ 32 ];
+ char copyright[ 32 ];
+ UINT16 ntscspeed;
+ char bankswitch[ 8 ];
+ UINT16 palspeed;
+ char tvflags;
+ char chipflags;
};
union nsfdata
@@ -64,141 +69,147 @@ union nsfdata
};
-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;
-}
+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.
+ * 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) {
- char album[33];
- char artist[33];
- char copyright[33];
- char songs[32];
- char startingsong[32];
- char nsfversion[32];
- union nsfdata input;
+ */
+struct EXTRACTOR_Keywords * libextractor_nsf_extract
+(
+ const char * filename,
+ char * data,
+ size_t size,
+ struct EXTRACTOR_Keywords * prev
+)
+{
+ char album[ 33 ];
+ char artist[ 33 ];
+ char copyright[ 33 ];
+ char songs[ 32 ];
+ char startingsong[ 32 ];
+ char nsfversion[ 32 ];
+ union nsfdata input;
- /* Check header size */
+ /* Check header size */
- if( size < HEADER_SIZE )
- {
- return prev;
- }
+ if( size < HEADER_SIZE )
+ {
+ return( prev );
+ }
- memcpy( &input, data, HEADER_SIZE );
+ memcpy( &input, data, HEADER_SIZE );
- /* Check "magic" id bytes */
+ /* Check "magic" id bytes */
- if( memcmp( input.head.magicid, "NESM\x1a", 5 ) )
- {
- return prev;
- }
+ if( memcmp( input.head.magicid, "NESM\x1a", 5 ) )
+ {
+ return( prev );
+ }
- /* Mime-type */
+ /* Mime-type */
- prev = addkword(prev, "audio/x-nsf", EXTRACTOR_MIMETYPE);
+ prev = addkword( prev, "audio/x-nsf", EXTRACTOR_MIMETYPE );
- /* Version of NSF format */
+ /* Version of NSF format */
- sprintf( nsfversion, "%d", input.head.nsfversion );
- prev = addkword(prev, nsfversion, EXTRACTOR_FORMAT_VERSION);
+ sprintf( nsfversion, "%d", input.head.nsfversion );
+ prev = addkword( prev, nsfversion, EXTRACTOR_FORMAT_VERSION );
- /* Get song count */
+ /* Get song count */
- sprintf( songs, "%d", input.head.songs );
- prev = addkword(prev, songs, EXTRACTOR_SONG_COUNT);
+ sprintf( songs, "%d", input.head.songs );
+ prev = addkword( prev, songs, EXTRACTOR_SONG_COUNT );
- /* Get number of the first song to be played */
+ /* Get number of the first song to be played */
- sprintf( startingsong, "%d", input.head.firstsong );
- prev = addkword(prev, startingsong, EXTRACTOR_STARTING_SONG);
+ sprintf( startingsong, "%d", input.head.firstsong );
+ prev = addkword( prev, startingsong, EXTRACTOR_STARTING_SONG );
- /* name, artist, copyright fields */
+ /* name, artist, copyright fields */
- album[32] = '\0';
- artist[32] = '\0';
- copyright[32] = '\0';
+ album[ 32 ] = '\0';
+ artist[ 32 ] = '\0';
+ copyright[ 32 ] = '\0';
- memcpy( &album, input.head.title, 32 );
- memcpy( &artist, input.head.artist, 32 );
- memcpy( ©right, input.head.copyright, 32 );
+ memcpy( &album, input.head.title, 32 );
+ memcpy( &artist, input.head.artist, 32 );
+ memcpy( ©right, input.head.copyright, 32 );
- prev = addkword(prev, album, EXTRACTOR_ALBUM);
- prev = addkword(prev, artist, EXTRACTOR_ARTIST);
- prev = addkword(prev, copyright, EXTRACTOR_COPYRIGHT);
+ prev = addkword( prev, album, EXTRACTOR_ALBUM );
+ prev = addkword( prev, artist, EXTRACTOR_ARTIST );
+ prev = addkword( prev, copyright, EXTRACTOR_COPYRIGHT );
- /* PAL or NTSC */
+ /* PAL or NTSC */
- if( input.head.tvflags & DUAL_FLAG )
- {
- prev = addkword(prev, "PAL/NTSC", EXTRACTOR_TELEVISION_SYSTEM);
- }
- else
- {
- if( input.head.tvflags & PAL_FLAG )
- {
- prev = addkword(prev, "PAL", EXTRACTOR_TELEVISION_SYSTEM);
- }
- else
- {
- prev = addkword(prev, "NTSC", EXTRACTOR_TELEVISION_SYSTEM);
- }
- }
+ if( input.head.tvflags & DUAL_FLAG )
+ {
+ prev = addkword( prev, "PAL/NTSC", EXTRACTOR_TELEVISION_SYSTEM );
+ }
+ else
+ {
+ if( input.head.tvflags & PAL_FLAG )
+ {
+ prev = addkword( prev, "PAL", EXTRACTOR_TELEVISION_SYSTEM );
+ }
+ else
+ {
+ prev = addkword( prev, "NTSC", EXTRACTOR_TELEVISION_SYSTEM );
+ }
+ }
- /* Detect Extra Sound Chips needed to play the files */
+ /* Detect Extra Sound Chips needed to play the files */
- if( input.head.chipflags & VRCVI_FLAG )
- {
- prev = addkword(prev, "VRCVI", EXTRACTOR_HARDWARE_DEPENDENCY);
- }
- if( input.head.chipflags & VRCVII_FLAG )
- {
- prev = addkword(prev, "VRCVII", EXTRACTOR_HARDWARE_DEPENDENCY);
- }
- if( input.head.chipflags & FDS_FLAG )
- {
- prev = addkword(prev, "FDS Sound", EXTRACTOR_HARDWARE_DEPENDENCY);
- }
- if( input.head.chipflags & MMC5_FLAG )
- {
- prev = addkword(prev, "MMC5 audio", EXTRACTOR_HARDWARE_DEPENDENCY);
- }
- if( input.head.chipflags & NAMCO_FLAG )
- {
- prev = addkword(prev, "Namco 106", EXTRACTOR_HARDWARE_DEPENDENCY);
- }
- if( input.head.chipflags & SUNSOFT_FLAG )
- {
- prev = addkword(prev, "Sunsoft FME-07", EXTRACTOR_HARDWARE_DEPENDENCY);
- }
+ if( input.head.chipflags & VRCVI_FLAG )
+ {
+ prev = addkword( prev, "VRCVI", EXTRACTOR_HARDWARE_DEPENDENCY );
+ }
+ if( input.head.chipflags & VRCVII_FLAG )
+ {
+ prev = addkword( prev, "VRCVII", EXTRACTOR_HARDWARE_DEPENDENCY );
+ }
+ if( input.head.chipflags & FDS_FLAG )
+ {
+ prev = addkword( prev, "FDS Sound", EXTRACTOR_HARDWARE_DEPENDENCY );
+ }
+ if( input.head.chipflags & MMC5_FLAG )
+ {
+ prev = addkword( prev, "MMC5 audio", EXTRACTOR_HARDWARE_DEPENDENCY );
+ }
+ if( input.head.chipflags & NAMCO_FLAG )
+ {
+ prev = addkword( prev, "Namco 106", EXTRACTOR_HARDWARE_DEPENDENCY );
+ }
+ if( input.head.chipflags & SUNSOFT_FLAG )
+ {
+ prev = addkword( prev, "Sunsoft FME-07", EXTRACTOR_HARDWARE_DEPENDENCY );
+ }
- return prev;
+ return( prev );
}
