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/*
* probe_im.c
*
* Copyright (C) Thomas Oestreich - June 2001
*
* This file is part of transcode, a video stream processing tool
*
* transcode 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.
*
* transcode 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 GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#ifdef HAVE_IMAGEMAGICK
/* Note: because of ImageMagick bogosity, this must be included first, so
* we can undefine the PACKAGE_* symbols it splats into our namespace.
* However, since we need config.h to find out whether we can include it
* in the first place, we also have to undefine the symbols beforehand. */
# undef PACKAGE_BUGREPORT
# undef PACKAGE_NAME
# undef PACKAGE_STRING
# undef PACKAGE_TARNAME
# undef PACKAGE_VERSION
# ifdef HAVE_BROKEN_WAND
# include <wand/magick-wand.h>
# else /* we have a SANE wand header */
# include <wand/MagickWand.h>
# endif /* HAVE_BROKEN_WAND */
# undef PACKAGE_BUGREPORT
# undef PACKAGE_NAME
# undef PACKAGE_STRING
# undef PACKAGE_TARNAME
# undef PACKAGE_VERSION
#endif
#include "transcode.h"
#include "tcinfo.h"
#include "ioaux.h"
#include "tc.h"
#include "libtc/libtc.h"
#ifdef HAVE_IMAGEMAGICK
void probe_im(info_t *ipipe)
{
MagickWand *wand = NULL;
MagickBooleanType status;
MagickWandGenesis();
wand = NewMagickWand();
if (wand == NULL) {
tc_log_error(__FILE__, "cannot create magick wand");
ipipe->error = 1;
return;
}
status = MagickReadImage(wand, ipipe->name);
if (status == MagickFalse) {
ExceptionType severity;
const char *description = MagickGetException(wand, &severity);
tc_log_error(__FILE__, "%s", description);
MagickRelinquishMemory((void*)description);
ipipe->error = 1;
return;
}
MagickSetLastIterator(wand);
/* read all video parameter from input file */
ipipe->probe_info->width = MagickGetImageWidth(wand);
ipipe->probe_info->height = MagickGetImageHeight(wand);
/* slide show? */
ipipe->probe_info->frc = 9; /* FRC for 1 fps */
ipipe->probe_info->fps = 1.0;
ipipe->probe_info->magic = ipipe->magic;
ipipe->probe_info->codec = TC_CODEC_RGB;
DestroyMagickWand(wand);
MagickWandTerminus();
return;
}
#else // HAVE_IMAGEMAGICK
void probe_im(info_t *ipipe)
{
tc_log_error(__FILE__, "no support for ImageMagick compiled - exit.");
ipipe->error = 1;
return;
}
#endif
/*************************************************************************/
/*
* Local variables:
* c-file-style: "stroustrup"
* c-file-offsets: ((case-label . *) (statement-case-intro . *))
* indent-tabs-mode: nil
* End:
*
* vim: expandtab shiftwidth=4:
*/
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