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mikmod.c
/*
 * Adapted from AlsaPlayer 0.99.76
 *
 * mikmod_engine.c
 * Copyright (C) 1999 Paul N. Fisher <rao@gnu.org>
 * Copyright (C) 2002 Andy Lo A Foe <andy@alsaplayer.org>
 *
 * This program 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 of the License, or
 * (at your option) any later version.
 *
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include "ip.h"
#include "xmalloc.h"
#include <mikmod.h>
#include "debug.h"

00029 struct mik_private {
      MODULE *file;
};

static int mikmod_init(void)
{
      static int inited = 0;

      if (inited)
            return 1;

      MikMod_RegisterAllDrivers();
      MikMod_RegisterAllLoaders();

      md_reverb = 0;
      /* we should let the user decide which one is better... */
      md_mode = DMODE_SOFT_MUSIC | DMODE_SOFT_SNDFX | DMODE_STEREO |
            DMODE_16BITS | DMODE_INTERP;

      if (MikMod_Init(NULL)) {
            d_print("Could not initialize mikmod, reason: %s\n",
                        MikMod_strerror(MikMod_errno));
            return 0;
      }

      inited = 1;
      return 1;
}

static int mik_open(struct input_plugin_data *ip_data)
{
      MODULE *mf = NULL;
      struct mik_private *priv;
      int mi = mikmod_init();

      if (!mi)
            return -IP_ERROR_INTERNAL;

      mf = Player_Load(ip_data->filename, 255, 0);

      if (!mf)
            return -IP_ERROR_ERRNO;

      priv = xnew(struct mik_private, 1);
      priv->file = mf;

      ip_data->private = priv;
      ip_data->sf = sf_bits(16) | sf_rate(44100) | sf_channels(2) | sf_signed(1);
#ifdef WORDS_BIGENDIAN
      ip_data->sf |= sf_bigendian(1);
#endif
      return 0;
}

static int mik_close(struct input_plugin_data *ip_data)
{
      struct mik_private *priv = ip_data->private;

      Player_Stop();
      Player_Free(priv->file);
      free(ip_data->private);
      ip_data->private = NULL;
      return 0;
}

static int mik_read(struct input_plugin_data *ip_data, char *buffer, int count)
{
      int length;
      struct mik_private *priv = ip_data->private;

      if (!Player_Active())
            Player_Start(priv->file);

      if (!Player_Active())
            return 0;

      length = VC_WriteBytes(buffer, count);

      return length;
}

static int mik_seek(struct input_plugin_data *ip_data, double offset)
{
      /* cannot seek in modules properly */
      return -IP_ERROR_FUNCTION_NOT_SUPPORTED;
}

static int mik_read_comments(struct input_plugin_data *ip_data, struct keyval **comments)
{
      struct mik_private *priv = ip_data->private;
      GROWING_KEYVALS(c);
      const char *val;

      val = priv->file->songname;
      if (val && val[0])
            comments_add_const(&c, "title", val);

      val = priv->file->comment;
      if (val && val[0])
            comments_add_const(&c, "comment", val);

      keyvals_terminate(&c);
      *comments = c.keyvals;
      return 0;
}

static int mik_duration(struct input_plugin_data *ip_data)
{
      return -IP_ERROR_FUNCTION_NOT_SUPPORTED;
}

static long mik_bitrate(struct input_plugin_data *ip_data)
{
      return -IP_ERROR_FUNCTION_NOT_SUPPORTED;
}

static char *mik_codec(struct input_plugin_data *ip_data)
{
      struct mik_private *priv = ip_data->private;
      const char *codec = priv->file->modtype;
      return (codec && codec[0]) ? xstrdup(codec) : NULL;
}

const struct input_plugin_ops ip_ops = {
      .open = mik_open,
      .close = mik_close,
      .read = mik_read,
      .seek = mik_seek,
      .read_comments = mik_read_comments,
      .duration = mik_duration,
      .bitrate = mik_bitrate,
      .codec = mik_codec
};

const int ip_priority = 40;
const char * const ip_extensions[] = {
      "mod", "s3m", "xm", "it", "669", "amf", "dsm",
      "far", "med", "mtm", "stm", "ult",
      NULL
};
const char * const ip_mime_types[] = { NULL };

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