spc: Really remove old SPC code

5 files changed, 0 insertions, 1080 deletions

diff --git a/ext/spc/Makefile.am b/ext/spc/Makefile.am
deleted file mode 100644
index 89f0f7210..000000000
--- a/ext/spc/Makefile.am
+++ /dev/null
@@ -1,10 +0,0 @@
-plugin_LTLIBRARIES = libgstspc.la
-
-libgstspc_la_SOURCES = gstspc.c tag.c
-
-libgstspc_la_CFLAGS = $(GST_CFLAGS) $(SPC_CFLAGS)
-libgstspc_la_LIBADD = $(GST_LIBS) $(SPC_LIBS)
-libgstspc_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-libgstspc_la_LIBTOOLFLAGS = --tag=disable-static
-
-noinst_HEADERS = gstspc.h tag.h
diff --git a/ext/spc/gstspc.c b/ext/spc/gstspc.c
deleted file mode 100644
index c5ca24577..000000000
--- a/ext/spc/gstspc.c
+++ /dev/null
@@ -1,612 +0,0 @@
-/* Copyright (C) 2004-2005,2009 Michael Pyne <mpyne at kde org>
- * Copyright (C) 2004-2006 Chris Lee <clee at kde org>
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstspc.h"
-
-#include <string.h>
-#include <glib/gprintf.h>
-#include <glib.h>
-
-static const GstElementDetails gst_spc_dec_details =
-GST_ELEMENT_DETAILS ("SNES SPC 700 decoder",
-    "Codec/Audio/Decoder",
-    "Uses Blargg's libgme to emulate an SPC processor",
-    "Chris Lee <clee@kde.org>, Brian Koropoff <bkoropoff@gmail.com>, Michael Pyne <mpyne@kde.org>");
-
-static GstStaticPadTemplate sink_factory =
-GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-spc"));
-
-static GstStaticPadTemplate src_factory =
-GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw-int, "
-        "endianness = (int) BYTE_ORDER, "
-        "signed = (boolean) TRUE, "
-        "width = (int) 16, "
-        "depth = (int) 16, " "rate = (int) 32000, " "channels = (int) 2"));
-
-GST_BOILERPLATE (GstSpcDec, gst_spc_dec, GstElement, GST_TYPE_ELEMENT);
-
-static GstFlowReturn gst_spc_dec_chain (GstPad * pad, GstBuffer * buffer);
-static gboolean gst_spc_dec_sink_event (GstPad * pad, GstEvent * event);
-static gboolean gst_spc_dec_src_event (GstPad * pad, GstEvent * event);
-static gboolean gst_spc_dec_src_query (GstPad * pad, GstQuery * query);
-static GstStateChangeReturn gst_spc_dec_change_state (GstElement * element,
-    GstStateChange transition);
-static void gst_spc_play (GstPad * pad);
-static void gst_spc_dec_dispose (GObject * object);
-static gboolean spc_setup (GstSpcDec * spc);
-
-static gboolean
-spc_negotiate (GstSpcDec * spc)
-{
-  GstCaps *allowed, *caps;
-  GstStructure *structure;
-  gint width = 16, depth = 16;
-  gboolean sign;
-  int rate = 32000;
-  int channels = 2;
-
-  allowed = gst_pad_get_allowed_caps (spc->srcpad);
-  if (!allowed) {
-    GST_DEBUG_OBJECT (spc, "couldn't get allowed caps");
-    return FALSE;
-  }
-
-  GST_DEBUG_OBJECT (spc, "allowed caps: %" GST_PTR_FORMAT, allowed);
-
-  structure = gst_caps_get_structure (allowed, 0);
-  gst_structure_get_int (structure, "width", &width);
-  gst_structure_get_int (structure, "depth", &depth);
-
-  if (width && depth && width != depth) {
-    GST_DEBUG_OBJECT (spc, "width %d and depth %d are different", width, depth);
-    gst_caps_unref (allowed);
-    return FALSE;
-  }
-
-  gst_structure_get_boolean (structure, "signed", &sign);
-  gst_structure_get_int (structure, "rate", &rate);
-  gst_structure_get_int (structure, "channels", &channels);
-
-  caps = gst_caps_new_simple ("audio/x-raw-int",
-      "endianness", G_TYPE_INT, G_BYTE_ORDER,
-      "signed", G_TYPE_BOOLEAN, TRUE,
-      "width", G_TYPE_INT, width,
-      "depth", G_TYPE_INT, depth,
-      "rate", G_TYPE_INT, rate, "channels", G_TYPE_INT, channels, NULL);
-  gst_pad_set_caps (spc->srcpad, caps);
-
-  gst_caps_unref (caps);
-  gst_caps_unref (allowed);
-
-  return TRUE;
-}
-
-static void
-gst_spc_dec_base_init (gpointer g_class)
-{
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
-  gst_element_class_set_details (element_class, &gst_spc_dec_details);
-
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&sink_factory));
-  gst_element_class_add_pad_template (element_class,
-      gst_static_pad_template_get (&src_factory));
-}
-
-static void
-gst_spc_dec_class_init (GstSpcDecClass * klass)
-{
-  GstElementClass *element_class = (GstElementClass *) klass;
-  GObjectClass *gobject_class = (GObjectClass *) klass;
-
-  element_class->change_state = GST_DEBUG_FUNCPTR (gst_spc_dec_change_state);
-  gobject_class->dispose = gst_spc_dec_dispose;
-}
-
-static const GstQueryType *
-gst_spc_dec_src_query_type (GstPad * pad)
-{
-  static const GstQueryType query_types[] = {
-    GST_QUERY_DURATION,
-    GST_QUERY_POSITION,
-    (GstQueryType) 0
-  };
-
-  return query_types;
-}
-
-
-static void
-gst_spc_dec_init (GstSpcDec * spc, GstSpcDecClass * klass)
-{
-  spc->sinkpad = gst_pad_new_from_static_template (&sink_factory, "sink");
-  /* gst_pad_set_query_function (spc->sinkpad, NULL); */
-  gst_pad_set_event_function (spc->sinkpad, gst_spc_dec_sink_event);
-  gst_pad_set_chain_function (spc->sinkpad, gst_spc_dec_chain);
-  gst_element_add_pad (GST_ELEMENT (spc), spc->sinkpad);
-
-  spc->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
-  gst_pad_set_event_function (spc->srcpad, gst_spc_dec_src_event);
-  gst_pad_set_query_function (spc->srcpad, gst_spc_dec_src_query);
-  gst_pad_set_query_type_function (spc->srcpad, gst_spc_dec_src_query_type);
-  gst_pad_use_fixed_caps (spc->srcpad);
-  gst_element_add_pad (GST_ELEMENT (spc), spc->srcpad);
-
-  spc->buf = NULL;
-  spc->player = NULL;
-  spc->initialized = FALSE;
-  spc_tag_clear (&spc->tag_info);
-}
-
-static void
-gst_spc_dec_dispose (GObject * object)
-{
-  GstSpcDec *spc = GST_SPC_DEC (object);
-
-  if (spc->buf) {
-    gst_buffer_unref (spc->buf);
-    spc->buf = NULL;
-  }
-
-  spc_tag_free (&spc->tag_info);
-}
-
-static GstFlowReturn
-gst_spc_dec_chain (GstPad * pad, GstBuffer * buffer)
-{
-  GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
-
-  /* Accumulate SPC data until end-of-stream, then commence playback. */
-  if (spc->buf) {
-    spc->buf = gst_buffer_join (spc->buf, buffer);
-  } else {
-    spc->buf = buffer;
-  }
-
-  gst_object_unref (spc);
-
-  return GST_FLOW_OK;
-}
-
-static gboolean
-gst_spc_dec_sink_event (GstPad * pad, GstEvent * event)
-{
-  GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
-  gboolean result = TRUE;
-  gboolean forward = FALSE;
-
-  switch (GST_EVENT_TYPE (event)) {
-    case GST_EVENT_EOS:
-      /* we get EOS when we loaded the complete file, now try to initialize the
-       * decoding */
-      if (!(result = spc_setup (spc))) {
-        /* can't start, post an ERROR and push EOS downstream */
-        GST_ELEMENT_ERROR (spc, STREAM, DEMUX, (NULL),
-            ("can't start playback"));
-        forward = TRUE;
-      }
-      break;
-    default:
-      break;
-  }
-  if (forward)
-    result = gst_pad_push_event (spc->srcpad, event);
-  else
-    gst_event_unref (event);
-
-  gst_object_unref (spc);
-
-  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)
-{
-  GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
-  gboolean result = FALSE;
-
-  switch (GST_EVENT_TYPE (event)) {
-    case GST_EVENT_SEEK:
-    {
-      gdouble rate;
-      GstFormat format;
-      GstSeekFlags flags;
-      GstSeekType start_type, stop_type;
-      gint64 start, stop;
-      gboolean flush;
-
-      gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
-          &stop_type, &stop);
-
-      gst_event_unref (event);
-
-      if (format != GST_FORMAT_TIME) {
-        GST_DEBUG_OBJECT (spc, "seeking is only supported in TIME format");
-        break;
-      }
-
-      if (start_type != GST_SEEK_TYPE_SET || stop_type != GST_SEEK_TYPE_NONE) {
-        GST_DEBUG_OBJECT (spc, "unsupported seek type");
-        break;
-      }
-
-      if (stop_type == GST_SEEK_TYPE_NONE)
-        stop = GST_CLOCK_TIME_NONE;
-
-      if (start_type == GST_SEEK_TYPE_SET) {
-        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 (dest == cur)
-          break;
-
-        flush = (flags & GST_SEEK_FLAG_FLUSH) == GST_SEEK_FLAG_FLUSH;
-
-        if (flush) {
-          gst_pad_push_event (spc->srcpad, gst_event_new_flush_start ());
-        } else {
-          gst_pad_stop_task (spc->srcpad);
-        }
-
-        GST_PAD_STREAM_LOCK (spc->srcpad);
-
-        if (flags & GST_SEEK_FLAG_SEGMENT) {
-          gst_element_post_message (GST_ELEMENT (spc),
-              gst_message_new_segment_start (GST_OBJECT (spc), format, cur));
-        }
-
-        if (flush) {
-          gst_pad_push_event (spc->srcpad, gst_event_new_flush_stop ());
-        }
-
-        if (stop == GST_CLOCK_TIME_NONE)
-          stop = (guint64) (gst_spc_duration (spc) + gst_spc_fadeout (spc));
-
-        gst_pad_push_event (spc->srcpad, gst_event_new_new_segment (FALSE, rate,
-                GST_FORMAT_TIME, dest, stop, dest));
-
-        spc->seekpoint = dest / GST_MSECOND;    /* nsecs to msecs */
-        spc->seeking = TRUE;
-
-        gst_pad_start_task (spc->srcpad, (GstTaskFunction) gst_spc_play,
-            spc->srcpad);
-
-        GST_PAD_STREAM_UNLOCK (spc->srcpad);
-        result = TRUE;
-      }
-      break;
-    }
-    default:
-      result = gst_pad_push_event (spc->sinkpad, event);
-      break;
-  }
-
-  gst_object_unref (spc);
-
-  return result;
-}
-
-static gboolean
-gst_spc_dec_src_query (GstPad * pad, GstQuery * query)
-{
-  GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
-  gboolean result = TRUE;
-
-  switch (GST_QUERY_TYPE (query)) {
-    case GST_QUERY_DURATION:
-    {
-      GstFormat format;
-
-      gst_query_parse_duration (query, &format, NULL);
-      if (!spc->initialized || format != GST_FORMAT_TIME) {
-        result = FALSE;
-        break;
-      }
-      gst_query_set_duration (query, GST_FORMAT_TIME,
-          gst_spc_duration (spc) + gst_spc_fadeout (spc));
-      break;
-    }
-    case GST_QUERY_POSITION:
-    {
-      GstFormat format;
-
-      gst_query_parse_position (query, &format, NULL);
-      if (!spc->initialized || format != GST_FORMAT_TIME) {
-        result = FALSE;
-        break;
-      }
-      gst_query_set_position (query, GST_FORMAT_TIME,
-          (gint64) gme_tell (spc->player) * GST_MSECOND);
-      break;
-    }
-    default:
-      result = gst_pad_query_default (pad, query);
-      break;
-  }
-
-  gst_object_unref (spc);
-
-  return result;
-}
-
-static void
-gst_spc_play (GstPad * pad)
-{
-  GstSpcDec *spc = GST_SPC_DEC (gst_pad_get_parent (pad));
-  GstFlowReturn flow_return;
-  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) {
-    out = gst_buffer_new_and_alloc (NUM_SAMPLES * 4);
-    gst_buffer_set_caps (out, GST_PAD_CAPS (pad));
-    GST_BUFFER_TIMESTAMP (out) = gme_tell (spc->player) * GST_MSECOND;
-
-    gme_err =
-        gme_play (spc->player, NUM_SAMPLES * 2,
-        (short *) GST_BUFFER_DATA (out));
-    if (gme_err) {
-      GST_ELEMENT_ERROR (spc, STREAM, DEMUX, (NULL), (gme_err));
-      gst_pad_pause_task (pad);
-      gst_pad_push_event (pad, gst_event_new_eos ());
-      gst_object_unref (spc);
-      return;
-    }
-  } else {
-    gme_seek (spc->player, spc->seekpoint);
-    spc->seeking = FALSE;
-
-    out = gst_buffer_new ();
-    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));
-
-    gst_pad_pause_task (pad);
-
-    if (GST_FLOW_IS_FATAL (flow_return) || flow_return == GST_FLOW_NOT_LINKED) {
-      gst_pad_push_event (pad, gst_event_new_eos ());
-    }
-  }
-
-  if (position >= end) {
-    gst_pad_pause_task (pad);
-    gst_pad_push_event (pad, gst_event_new_eos ());
-  }
-
-  gst_object_unref (spc);
-
-  return;
-}
-
-static gboolean
-spc_setup (GstSpcDec * spc)
-{
-  spc_tag_info *info;
-  gme_err_t gme_err = NULL;
-  GstTagList *taglist;
-  guint64 total_duration;
-
-  if (!spc->buf || !spc_negotiate (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);
-  if (gme_err || !spc->player) {
-    if (spc->player) {
-      gme_delete (spc->player);
-      spc->player = NULL;
-    }
-
-    GST_ELEMENT_ERROR (spc, STREAM, DEMUX, (NULL), (gme_err));
-
-    return FALSE;
-  }
-#ifdef HAVE_LIBGME_ACCURACY
-  /* TODO: Is it worth it to make this optional? */
-  gme_enable_accuracy (spc->player, 1);
-#endif
-  gme_start_track (spc->player, 0);
-
-  gst_pad_push_event (spc->srcpad, gst_event_new_new_segment (FALSE, 1.0,
-          GST_FORMAT_TIME, 0, -1, 0));
-
-  gst_pad_start_task (spc->srcpad, (GstTaskFunction) gst_spc_play, spc->srcpad);
-
-  /* We can't unreference this buffer because we might need to re-initialize
-   * the emulator with the original data during a reverse seek
-   * gst_buffer_unref (spc->buf);
-   * spc->buf = NULL;
-   */
-  spc->initialized = TRUE;
-  spc->seeking = FALSE;
-  spc->seekpoint = 0;
-  return spc->initialized;
-}
-
-static GstStateChangeReturn
-gst_spc_dec_change_state (GstElement * element, GstStateChange transition)
-{
-  GstStateChangeReturn result;
-  GstSpcDec *dec;
-
-  dec = GST_SPC_DEC (element);
-
-  switch (transition) {
-    case GST_STATE_CHANGE_READY_TO_PAUSED:
-      break;
-    default:
-      break;
-  }
-
-  result = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-  if (result == GST_STATE_CHANGE_FAILURE)
-    return result;
-
-  switch (transition) {
-    case GST_STATE_CHANGE_PAUSED_TO_READY:
-      if (dec->buf) {
-        gst_buffer_unref (dec->buf);
-        dec->buf = NULL;
-      }
-      break;
-    default:
-      break;
-  }
-
-  return result;
-}
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
-  return gst_element_register (plugin, "spcdec", GST_RANK_PRIMARY,
-      GST_TYPE_SPC_DEC);
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
-    GST_VERSION_MINOR,
-    "spcdec",
-    "OpenSPC Audio Decoder",
-    plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
diff --git a/ext/spc/gstspc.h b/ext/spc/gstspc.h
deleted file mode 100644
index 3d7e48990..000000000
--- a/ext/spc/gstspc.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Copyright (C) 2004-2005, 2009 Michael Pyne <michael dot pyne at kdemail net>
- * Copyright (C) 2004-2006 Chris Lee <clee at kde org>
- * 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.
- */
-
-#ifndef __GST_SPC_DEC_H__
-#define __GST_SPC_DEC_H__
-
-#include <gst/gst.h>
-
-#include <gme/gme.h>
-#include "tag.h"
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_SPC_DEC \
-  (gst_spc_dec_get_type())
-#define GST_SPC_DEC(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SPC_DEC,GstSpcDec))
-#define GST_SPC_DEC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SPC_DEC,GstSpcDecClass))
-#define GST_IS_SPC_DEC(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SPC_DEC))
-#define GST_IS_SPC_DEC_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SPC_DEC))
-
-typedef struct _GstSpcDec GstSpcDec;
-typedef struct _GstSpcDecClass GstSpcDecClass;
-
-struct _GstSpcDec
-{
-  GstElement  element;
-
-  GstPad     *sinkpad;
-  GstPad     *srcpad;
-
-  GstBuffer  *buf;
-  Music_Emu  *player;
-  gboolean    initialized;
-  gboolean    seeking;
-  int         seekpoint;
-
-  spc_tag_info tag_info;
-};
-
-struct _GstSpcDecClass
-{
-  GstElementClass parent_class;
-};
-
-G_END_DECLS
-
-#endif /* __GST_SPC_DEC_H__ */
diff --git a/ext/spc/tag.c b/ext/spc/tag.c
deleted file mode 100644
index 41ce812fc..000000000
--- a/ext/spc/tag.c
+++ /dev/null
@@ -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);
-}
diff --git a/ext/spc/tag.h b/ext/spc/tag.h
deleted file mode 100644
index 5b795893a..000000000
--- a/ext/spc/tag.h
+++ /dev/null
@@ -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);