gme: Use gme for tags and duration parsing

ext/gme/Makefile.am

@@ -1,10 +1,10 @@
 plugin_LTLIBRARIES = libgstgme.la
 
-libgstgme_la_SOURCES = gstgme.c tag.c
+libgstgme_la_SOURCES = gstgme.c
 
 libgstgme_la_CFLAGS = $(GST_CFLAGS) $(GME_CFLAGS)
 libgstgme_la_LIBADD = $(GST_LIBS) $(GME_LIBS)
 libgstgme_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
 libgstgme_la_LIBTOOLFLAGS = --tag=disable-static
 
-noinst_HEADERS = gstgme.h tag.h
+noinst_HEADERS = gstgme.h

ext/gme/gstgme.c

@@ -158,8 +158,8 @@ gst_spc_dec_init (GstSpcDec * spc, GstSpcDecClass * klass)
 
   spc->buf = NULL;
   spc->player = NULL;
+  spc->total_duration = GST_CLOCK_TIME_NONE;
   spc->initialized = FALSE;
-  spc_tag_clear (&spc->tag_info);
 }
 
 static void
@@ -171,8 +171,6 @@ gst_spc_dec_dispose (GObject * object)
     gst_buffer_unref (spc->buf);
     spc->buf = NULL;
   }
-
-  spc_tag_free (&spc->tag_info);
 }
 
 static GstFlowReturn
@@ -223,38 +221,6 @@ gst_spc_dec_sink_event (GstPad * pad, GstEvent * event)
   return result;
 }
 
-static gint64
-gst_spc_duration (GstSpcDec * spc)
-{
-  gint64 total_ticks =
-      spc->tag_info.time_intro +
-      spc->tag_info.time_loop * spc->tag_info.loop_count +
-      spc->tag_info.time_end;
-  if (total_ticks) {
-    return (gint64) gst_util_uint64_scale (total_ticks, GST_SECOND, 64000);
-  } else if (spc->tag_info.time_seconds) {
-    gint64 time = (gint64) spc->tag_info.time_seconds * GST_SECOND;
-
-    return time;
-  } else {
-    return (gint64) (3 * 60) * GST_SECOND;
-  }
-}
-
-static gint64
-gst_spc_fadeout (GstSpcDec * spc)
-{
-  if (spc->tag_info.time_fade) {
-    return (gint64) gst_util_uint64_scale ((guint64) spc->tag_info.time_fade,
-        GST_SECOND, 64000);
-  } else if (spc->tag_info.time_fade_milliseconds) {
-    return (gint64) (spc->tag_info.time_fade_milliseconds * GST_MSECOND);
-  } else {
-    return 10 * GST_SECOND;
-  }
-}
-
-
 static gboolean
 gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
 {
@@ -293,7 +259,10 @@ gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
         guint64 cur = gme_tell (spc->player) * GST_MSECOND;
         guint64 dest = (guint64) start;
 
-        dest = CLAMP (dest, 0, gst_spc_duration (spc) + gst_spc_fadeout (spc));
+        if (spc->total_duration != GST_CLOCK_TIME_NONE)
+          dest = CLAMP (dest, 0, spc->total_duration);
+        else
+          dest = MAX (0, dest);
 
         if (dest == cur)
           break;
@@ -317,8 +286,9 @@ gst_spc_dec_src_event (GstPad * pad, GstEvent * event)
           gst_pad_push_event (spc->srcpad, gst_event_new_flush_stop ());
         }
 
-        if (stop == GST_CLOCK_TIME_NONE)
+        if (stop == GST_CLOCK_TIME_NONE
-          stop = (guint64) (gst_spc_duration (spc) + gst_spc_fadeout (spc));
+            && spc->total_duration != GST_CLOCK_TIME_NONE)
+          stop = spc->total_duration;
 
         gst_pad_push_event (spc->srcpad, gst_event_new_new_segment (FALSE, rate,
                 GST_FORMAT_TIME, dest, stop, dest));
@@ -356,12 +326,12 @@ gst_spc_dec_src_query (GstPad * pad, GstQuery * query)
       GstFormat format;
 
       gst_query_parse_duration (query, &format, NULL);
-      if (!spc->initialized || format != GST_FORMAT_TIME) {
+      if (!spc->initialized || format != GST_FORMAT_TIME
+          || spc->total_duration == GST_CLOCK_TIME_NONE) {
         result = FALSE;
         break;
       }
-      gst_query_set_duration (query, GST_FORMAT_TIME,
+      gst_query_set_duration (query, GST_FORMAT_TIME, spc->total_duration);
-          gst_spc_duration (spc) + gst_spc_fadeout (spc));
       break;
     }
     case GST_QUERY_POSITION:
@@ -395,7 +365,6 @@ gst_spc_play (GstPad * pad)
   GstBuffer *out;
   gboolean seeking = spc->seeking;
   gme_err_t gme_err = NULL;
-  gint64 duration, fade, end, position;
   const int NUM_SAMPLES = 1600; /* 4 bytes (stereo 16-bit) per sample */
 
   if (!seeking) {
@@ -421,24 +390,6 @@ gst_spc_play (GstPad * pad)
     gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
   }
 
-  duration = gst_spc_duration (spc);
-  fade = gst_spc_fadeout (spc);
-  end = duration + fade;
-  position = gme_tell (spc->player) * GST_MSECOND;
-
-  if (position >= duration) {
-    gint16 *data = (gint16 *) GST_BUFFER_DATA (out);
-    guint32 size = GST_BUFFER_SIZE (out) / sizeof (gint16);
-    unsigned int i;
-
-    gint64 num = (fade - (position - duration));
-
-    for (i = 0; i < size; i++) {
-      /* Apply a parabolic volume envelope */
-      data[i] = (gint16) (data[i] * num / fade * num / fade);
-    }
-  }
-
   if ((flow_return = gst_pad_push (spc->srcpad, out)) != GST_FLOW_OK) {
     GST_DEBUG_OBJECT (spc, "pausing task, reason %s",
         gst_flow_get_name (flow_return));
@@ -450,7 +401,7 @@ gst_spc_play (GstPad * pad)
     }
   }
 
-  if (position >= end) {
+  if (gme_track_ended (spc->player)) {
     gst_pad_pause_task (pad);
     gst_pad_push_event (pad, gst_event_new_eos ());
   }
@@ -463,7 +414,7 @@ gst_spc_play (GstPad * pad)
 static gboolean
 spc_setup (GstSpcDec * spc)
 {
-  spc_tag_info *info;
+  gme_info_t *info;
   gme_err_t gme_err = NULL;
   GstTagList *taglist;
   guint64 total_duration;
@@ -472,64 +423,6 @@ spc_setup (GstSpcDec * spc)
     return FALSE;
   }
 
-  info = &(spc->tag_info);
-
-  spc_tag_get_info (GST_BUFFER_DATA (spc->buf), GST_BUFFER_SIZE (spc->buf),
-      info);
-
-  taglist = gst_tag_list_new ();
-
-  if (info->title)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE,
-        info->title, NULL);
-  if (info->artist)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ARTIST,
-        info->artist, NULL);
-  /* Prefer the name of the official soundtrack over the name of the game (since this is
-   * how track numbers are derived)
-   */
-  if (info->album)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM,
-        info->album, NULL);
-  else if (info->game)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM, info->game,
-        NULL);
-  if (info->year) {
-    GDate *date = g_date_new_dmy (1, 1, info->year);
-
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_DATE, date, NULL);
-    g_date_free (date);
-  }
-  if (info->track) {
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_TRACK_NUMBER,
-        info->track, NULL);
-  }
-  if (info->comment)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COMMENT,
-        info->comment, NULL);
-  if (info->disc)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
-        GST_TAG_ALBUM_VOLUME_NUMBER, info->disc, NULL);
-  if (info->publisher)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ORGANIZATION,
-        info->publisher, NULL);
-  if (info->dumper)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_CONTACT,
-        info->dumper, NULL);
-  if (info->emulator)
-    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER,
-        info->emulator == EMU_ZSNES ? "ZSNES" : "Snes9x", NULL);
-
-  total_duration = (guint64) (gst_spc_duration (spc) + gst_spc_fadeout (spc));
-
-  gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
-      GST_TAG_DURATION, total_duration,
-      GST_TAG_GENRE, "Game", GST_TAG_CODEC, "SPC700", NULL);
-
-  gst_element_found_tags_for_pad (GST_ELEMENT (spc), spc->srcpad, taglist);
-
-  /* spc_tag_info_free(&info); */
-
   gme_err =
       gme_open_data (GST_BUFFER_DATA (spc->buf), GST_BUFFER_SIZE (spc->buf),
       &spc->player, 32000);
@@ -543,6 +436,47 @@ spc_setup (GstSpcDec * spc)
 
     return FALSE;
   }
+
+  gme_err = gme_track_info (spc->player, &info, 0);
+
+  taglist = gst_tag_list_new ();
+
+  if (info->song)
+    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_TITLE,
+        info->song, NULL);
+  if (info->author)
+    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ARTIST,
+        info->author, NULL);
+  /* Prefer the name of the official soundtrack over the name of the game (since this is
+   * how track numbers are derived)
+   */
+  if (info->game)
+    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ALBUM, info->game,
+        NULL);
+
+  if (info->comment)
+    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COMMENT,
+        info->comment, NULL);
+  if (info->dumper)
+    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_CONTACT,
+        info->dumper, NULL);
+  if (info->copyright)
+    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_COPYRIGHT,
+        info->copyright, NULL);
+  if (info->system)
+    gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE, GST_TAG_ENCODER,
+        info->system, NULL);
+
+  spc->total_duration = total_duration =
+      gst_util_uint64_scale_int (info->play_length, GST_MSECOND, 1);
+
+  gst_tag_list_add (taglist, GST_TAG_MERGE_REPLACE,
+      GST_TAG_DURATION, total_duration, NULL);
+
+  gst_element_found_tags_for_pad (GST_ELEMENT (spc), spc->srcpad, taglist);
+
+  g_free (info);
+
 #ifdef HAVE_LIBGME_ACCURACY
   /* TODO: Is it worth it to make this optional? */
   gme_enable_accuracy (spc->player, 1);
@@ -575,6 +509,7 @@ gst_spc_dec_change_state (GstElement * element, GstStateChange transition)
 
   switch (transition) {
     case GST_STATE_CHANGE_READY_TO_PAUSED:
+      dec->total_duration = GST_CLOCK_TIME_NONE;
       break;
     default:
       break;

ext/gme/gstgme.h

@@ -24,7 +24,6 @@
 #include <gst/gst.h>
 
 #include <gme/gme.h>
-#include "tag.h"
 
 G_BEGIN_DECLS
 
@@ -55,7 +54,7 @@ struct _GstSpcDec
   gboolean    seeking;
   int         seekpoint;
 
-  spc_tag_info tag_info;
+  GstClockTime total_duration;
 };
 
 struct _GstSpcDecClass

ext/gme/tag.c

@@ -1,353 +0,0 @@
-/* Copyright (C) 2007 Brian Koropoff <bkoropoff at gmail com>
- *
- * 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 <glib/gstring.h>
-#include <glib/gtypes.h>
-#include <glib/gmem.h>
-#include <glib/gprintf.h>
-
-#include <tag.h>
-#include <string.h>
-#include <stdlib.h>
-
-
-#define EXTENDED_OFFSET 0x10200
-#define EXTENDED_MAGIC ((guint32) ('x' << 0 | 'i' << 8 | 'd' << 16 | '6' << 24))
-
-#define TYPE_LENGTH 0x0
-#define TYPE_STRING 0x1
-#define TYPE_INTEGER 0x4
-
-#define TAG_TITLE 0x01
-#define TAG_GAME 0x02
-#define TAG_ARTIST 0x03
-#define TAG_DUMPER 0x04
-#define TAG_DUMP_DATE 0x05
-#define TAG_EMULATOR 0x06
-#define TAG_COMMENT 0x07
-#define TAG_ALBUM 0x10
-#define TAG_DISC 0x11
-#define TAG_TRACK 0x12
-#define TAG_PUBLISHER 0x13
-#define TAG_YEAR 0x14
-#define TAG_INTRO 0x30
-#define TAG_LOOP 0x31
-#define TAG_END 0x32
-#define TAG_FADE 0x33
-#define TAG_MUTED 0x34
-#define TAG_COUNT 0x35
-#define TAG_AMP 0x36
-
-#define READ_INT8(data, offset) (data[offset])
-#define READ_INT16(data, offset) ((data[offset] << 0) + (data[offset+1] << 8))
-#define READ_INT24(data, offset) ((data[offset] << 0) + (data[offset+1] << 8) + (data[offset+2] << 16))
-#define READ_INT32(data, offset) ((data[offset] << 0) + (data[offset+1] << 8) + (data[offset+2] << 16) + (data[offset+3] << 24))
-
-static inline gboolean
-spc_tag_is_extended (guchar * data, guint length)
-{
-  // Extended tags come at the end of the file (at a known offset)
-  // and start with "xid6"
-  return (length > EXTENDED_OFFSET + 4
-      && READ_INT32 (data, EXTENDED_OFFSET) == EXTENDED_MAGIC);
-}
-
-static inline gboolean
-spc_tag_is_text_format (guchar * data, guint length)
-{
-  // Because the id666 format is brain dead, there's
-  // no definite way to decide if it is in text
-  // format.  This function implements a set of
-  // heuristics to make a best-effort guess.
-
-  // If the date field contains separators, it is probably text
-  if (data[0xA0] == '/' || data[0xA0] == '.')
-    return TRUE;
-  // If the first byte of the date field is small (but not 0,
-  // which could indicate an empty string), it's probably binary
-  if (data[0x9E] >= 1 && data[0x9E] <= 31)
-    return FALSE;
-
-  // If all previous tests turned up nothing, assume it's text
-  return TRUE;
-}
-
-static inline gboolean
-spc_tag_is_present (guchar * data, guint length)
-{
-  return data[0x23] == 26;
-}
-
-static inline GDate *
-spc_tag_unpack_date (guint32 packed)
-{
-  guint dump_year = packed / 10000;
-  guint dump_month = (packed % 10000) / 100;
-  guint dump_day = packed % 100;
-
-  if (dump_month == 0)
-    dump_month = 1;
-  if (dump_day == 0)
-    dump_day = 1;
-
-  if (dump_year != 0)
-    return g_date_new_dmy (dump_day, dump_month, dump_year);
-  else
-    return NULL;
-}
-
-void
-spc_tag_clear (spc_tag_info * info)
-{
-  info->title = info->game = info->publisher = info->artist = info->album =
-      info->comment = info->dumper = NULL;
-  info->dump_date = NULL;
-  info->time_seconds = 0;
-  info->time_fade_milliseconds = 0;
-  info->time_intro = 0;
-  info->time_end = 0;
-  info->time_loop = 0;
-  info->time_fade = 0;
-  info->loop_count = 0;
-  info->muted = 0;
-  info->disc = 0;
-  info->amplification = 0;
-}
-
-void
-spc_tag_get_info (guchar * data, guint length, spc_tag_info * info)
-{
-  spc_tag_clear (info);
-
-  if (spc_tag_is_present (data, length)) {
-    gboolean text_format = spc_tag_is_text_format (data, length);
-
-    info->title = g_new0 (gchar, 0x21);
-    info->game = g_new0 (gchar, 0x21);
-    info->artist = g_new0 (gchar, 0x21);
-    info->dumper = g_new0 (gchar, 0x10);
-    info->comment = g_new0 (gchar, 0x32);
-
-    strncpy (info->title, (gchar *) & data[0x2E], 32);
-    strncpy (info->artist, (gchar *) & data[(text_format ? 0xB1 : 0xB0)], 32);
-    strncpy (info->game, (gchar *) & data[0x4E], 32);
-    strncpy (info->dumper, (gchar *) & data[0x6E], 16);
-    strncpy (info->comment, (gchar *) & data[0x7E], 32);
-
-    if (text_format) {
-      gchar time[4];
-      gchar fade[6];
-      guint dump_year, dump_month, dump_day;
-
-      strncpy (time, (gchar *) data + 0xA9, 3);
-      strncpy (fade, (gchar *) data + 0xAC, 5);
-
-      time[3] = fade[5] = 0;
-
-      info->time_seconds = atoi (time);
-      info->time_fade_milliseconds = atoi (fade);
-
-      dump_year = (guint) atoi ((gchar *) data + 0x9E);
-      dump_month = (guint) atoi ((gchar *) data + 0x9E + 3);
-      dump_day = (guint) atoi ((gchar *) data + 0x9E + 3 + 3);
-
-      if (dump_month == 0)
-        dump_month = 1;
-      if (dump_day == 0)
-        dump_day = 1;
-      if (dump_year != 0)
-        info->dump_date = g_date_new_dmy (dump_day, dump_month, dump_year);
-
-      info->muted = READ_INT8 (data, 0xD1);
-      info->emulator = READ_INT8 (data, 0xD2);
-    } else {
-      info->time_seconds = READ_INT24 (data, 0xA9);
-      info->time_fade_milliseconds = READ_INT32 (data, 0xAC);
-      info->dump_date = spc_tag_unpack_date (READ_INT32 (data, 0x9E));
-      info->muted = READ_INT8 (data, 0xD0);
-      info->emulator = READ_INT8 (data, 0xD1);
-    }
-  }
-
-  if (spc_tag_is_extended (data, length)) {
-    guchar *chunk = data + EXTENDED_OFFSET + 8;
-    guint32 chunk_size = *((guint32 *) (data + EXTENDED_OFFSET + 4));
-
-    guchar *subchunk, *subchunk_next;
-
-    for (subchunk = chunk; subchunk < chunk + chunk_size;
-        subchunk = subchunk_next) {
-      guint8 tag = READ_INT8 (subchunk, 0);
-      guint8 type = READ_INT8 (subchunk, 1);
-      guint16 length = READ_INT16 (subchunk, 2);
-      guchar *value = subchunk + 4;
-
-      switch (type) {
-        case TYPE_LENGTH:
-        {
-          switch (tag) {
-            case TAG_TRACK:
-              info->track = READ_INT8 (subchunk, 2 + 1);
-              break;
-            case TAG_YEAR:
-              info->year = READ_INT16 (subchunk, 2);
-              break;
-            case TAG_COUNT:
-              info->loop_count = READ_INT8 (subchunk, 2);
-              break;
-            case TAG_EMULATOR:
-              info->emulator = READ_INT8 (subchunk, 2);
-              break;
-            case TAG_DISC:
-              info->disc = READ_INT8 (subchunk, 2);
-              break;
-            case TAG_MUTED:
-              info->muted = READ_INT8 (subchunk, 2);
-              break;
-            default:
-              break;
-          }
-
-          subchunk_next = subchunk + 4;
-          break;
-        }
-        case TYPE_STRING:
-        {
-          gchar *dest;
-
-          if (length <= 1)
-            dest = NULL;
-          else
-            switch (tag) {
-              case TAG_TITLE:
-                dest = info->title = g_renew (gchar, info->title, length);
-                break;
-              case TAG_GAME:
-                dest = info->game = g_renew (gchar, info->game, length);
-                break;
-              case TAG_ARTIST:
-                dest = info->artist = g_renew (gchar, info->artist, length);
-                break;
-              case TAG_ALBUM:
-                dest = info->album = g_renew (gchar, info->album, length);
-                break;
-              case TAG_DUMPER:
-                dest = info->dumper = g_renew (gchar, info->dumper, length);
-                break;
-              case TAG_COMMENT:
-                dest = info->comment = g_renew (gchar, info->comment, length);
-                break;
-              case TAG_PUBLISHER:
-                dest = info->publisher =
-                    g_renew (gchar, info->publisher, length);
-                break;
-              default:
-                dest = NULL;
-                break;
-            }
-
-          if (dest)
-            strncpy (dest, (gchar *) value, length);
-
-          subchunk_next = value + length;
-          break;
-        }
-        case TYPE_INTEGER:
-        {
-          switch (tag) {
-            case TAG_INTRO:
-              info->time_intro = READ_INT32 (value, 0);
-              break;
-            case TAG_END:
-              info->time_end = READ_INT32 (value, 0);
-              break;
-            case TAG_FADE:
-              info->time_fade = READ_INT32 (value, 0);
-              break;
-            case TAG_LOOP:
-              info->time_loop = READ_INT32 (value, 0);
-              break;
-            case TAG_DUMP_DATE:
-              info->dump_date = spc_tag_unpack_date (READ_INT32 (value, 0));
-              break;
-            case TAG_AMP:
-              info->amplification = READ_INT32 (value, 0);
-              break;
-            default:
-              break;
-          }
-          subchunk_next = value + length;
-          break;
-        }
-        default:
-          subchunk_next = value + length;
-          break;
-      }
-    }
-  }
-
-  if (info->title && !*info->title) {
-    g_free (info->title);
-    info->title = NULL;
-  }
-  if (info->game && !*info->game) {
-    g_free (info->game);
-    info->game = NULL;
-  }
-  if (info->artist && !*info->artist) {
-    g_free (info->artist);
-    info->artist = NULL;
-  }
-  if (info->album && !*info->album) {
-    g_free (info->album);
-    info->album = NULL;
-  }
-  if (info->publisher && !*info->publisher) {
-    g_free (info->publisher);
-    info->publisher = NULL;
-  }
-  if (info->comment && !*info->comment) {
-    g_free (info->comment);
-    info->comment = NULL;
-  }
-  if (info->dumper && !*info->dumper) {
-    g_free (info->dumper);
-    info->dumper = NULL;
-  }
-}
-
-void
-spc_tag_free (spc_tag_info * info)
-{
-  if (info->title)
-    g_free (info->title);
-  if (info->game)
-    g_free (info->game);
-  if (info->artist)
-    g_free (info->artist);
-  if (info->album)
-    g_free (info->album);
-  if (info->publisher)
-    g_free (info->publisher);
-  if (info->comment)
-    g_free (info->comment);
-  if (info->dumper)
-    g_free (info->dumper);
-  if (info->dump_date)
-    g_date_free (info->dump_date);
-}

ext/gme/tag.h

@@ -1,37 +0,0 @@
-/* Copyright (C) 2007 Brian Koropoff <bkoropoff at gmail com>
- *
- * 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 <glib/gtypes.h>
-#include <glib.h>
-
-typedef struct
-{
-	gchar *title, *game, *artist, *album, *publisher;
-	gchar *dumper, *comment;
-	enum { EMU_SNES9X = 2, EMU_ZSNES = 1, EMU_UNKNOWN = 0 } emulator;
-	guint8 track, disc, muted, loop_count;
-	guint16 year;
-	guint32 time_seconds, time_fade_milliseconds;
-	guint32 time_intro, time_loop, time_end, time_fade;
-	guint32 amplification;
-	GDate *dump_date;
-} spc_tag_info;
-
-void spc_tag_clear(spc_tag_info* info);
-void spc_tag_get_info(guchar* data, guint length, spc_tag_info* info);
-void spc_tag_free(spc_tag_info* info);