Blame src/api/subtitle_type_get.c

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/* libquvi
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 * Copyright (C) 2013  Toni Gundogdu <legatvs@gmail.com>
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 *
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 * This file is part of libquvi <http://quvi.sourceforge.net/>.
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 *
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 * This library is free software: you can redistribute it and/or
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 * modify it under the terms of the GNU Affero General Public
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 * License as published by the Free Software Foundation, either
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 * version 3 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Affero General Public License for more details.
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 *
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 * You should have received a copy of the GNU Affero General
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 * Public License along with this library.  If not, see
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 * <http://www.gnu.org/licenses/>.
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 */
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/** @file subtitle_type_get.c */
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#include "config.h"
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#include <glib.h>
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#include "quvi.h"
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/* -- */
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#include "_quvi_s.h"
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#include "_quvi_subtitle_s.h"
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static QuviError _get(_quvi_subtitle_type_t qst,
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                      const QuviSubtitleTypeProperty n, ...)
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{
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  QuviError rc;
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  gdouble *dp;
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  va_list arg;
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  gchar **sp;
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  glong *lp;
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  gint type;
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  va_start(arg, n);
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  type = QUVI_SUBTITLE_PROPERTY_TYPE_MASK & (gint) n;
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  rc = QUVI_OK;
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  dp = NULL;
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  sp = NULL;
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  lp = NULL;
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  switch (type)
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    {
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    case QUVI_MEDIA_PROPERTY_TYPE_STRING:
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      sp = va_arg(arg, gchar**);
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      if (sp == NULL)
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        rc = QUVI_ERROR_INVALID_ARG;
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      break;
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    case QUVI_MEDIA_PROPERTY_TYPE_LONG:
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      lp = va_arg(arg, glong*);
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      if (lp == NULL)
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        rc = QUVI_ERROR_INVALID_ARG;
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      break;
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    case QUVI_MEDIA_PROPERTY_TYPE_DOUBLE:
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      dp = va_arg(arg, gdouble*);
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      if (dp == NULL)
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        rc = QUVI_ERROR_INVALID_ARG;
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      break;
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    default:
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      rc = QUVI_ERROR_INVALID_ARG;
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      break;
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    }
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  va_end(arg);
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  if (rc != QUVI_OK)
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    return (rc);
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  switch (n)
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    {
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      /*
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       * NOTE: Advances to the first item in the 'type' list if the
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       * current pointer is still set to NULL.
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       */
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    case QUVI_SUBTITLE_TYPE_PROPERTY_FORMAT:
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      *dp = qst->format;
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      break;
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    case QUVI_SUBTITLE_TYPE_PROPERTY_TYPE:
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      *dp = qst->type;
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      break;
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    default:
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      rc = QUVI_ERROR_INVALID_ARG;
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      break;
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    }
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  return (rc);
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}
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/** @brief Return a subtitle property
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@sa @ref parse_subtitle
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@ingroup subprop
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*/
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void quvi_subtitle_type_get(quvi_subtitle_type_t handle,
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                            QuviSubtitleTypeProperty n, ...)
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{
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  _quvi_subtitle_type_t qst;
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  va_list arg;
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  gpointer p;
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  _quvi_t q;
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  /* If G_DISABLE_CHECKS is defined then the check is not performed. */
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  g_return_if_fail(handle != NULL);
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  va_start(arg, n);
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  p = va_arg(arg, gpointer);
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  va_end(arg);
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  qst = (_quvi_subtitle_type_t) handle;
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  q = qst->handle.quvi;
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  q->status.rc = _get(qst, n, p);
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}
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/* vim: set ts=2 sw=2 tw=72 expandtab: */