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131 lines
3.2 KiB
131 lines
3.2 KiB
4 years ago
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/*
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* probe_im.c
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*
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* Copyright (C) Thomas Oestreich - June 2001
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*
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* This file is part of transcode, a video stream processing tool
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*
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* transcode is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* transcode 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef HAVE_IMAGEMAGICK
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/* Note: because of ImageMagick bogosity, this must be included first, so
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* we can undefine the PACKAGE_* symbols it splats into our namespace.
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* However, since we need config.h to find out whether we can include it
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* in the first place, we also have to undefine the symbols beforehand. */
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# undef PACKAGE_BUGREPORT
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# undef PACKAGE_NAME
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# undef PACKAGE_STRING
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# undef PACKAGE_TARNAME
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# undef PACKAGE_VERSION
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# ifdef HAVE_BROKEN_WAND
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# include <wand/magick-wand.h>
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# else /* we have a SANE wand header */
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# include <wand/MagickWand.h>
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# endif /* HAVE_BROKEN_WAND */
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# undef PACKAGE_BUGREPORT
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# undef PACKAGE_NAME
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# undef PACKAGE_STRING
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# undef PACKAGE_TARNAME
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# undef PACKAGE_VERSION
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#endif
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#include "transcode.h"
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#include "tcinfo.h"
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#include "ioaux.h"
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#include "tc.h"
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#include "libtc/libtc.h"
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#ifdef HAVE_IMAGEMAGICK
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void probe_im(info_t *ipipe)
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{
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MagickWand *wand = NULL;
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MagickBooleanType status;
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MagickWandGenesis();
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wand = NewMagickWand();
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if (wand == NULL) {
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tc_log_error(__FILE__, "cannot create magick wand");
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ipipe->error = 1;
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return;
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}
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status = MagickReadImage(wand, ipipe->name);
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if (status == MagickFalse) {
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ExceptionType severity;
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const char *description = MagickGetException(wand, &severity);
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tc_log_error(__FILE__, "%s", description);
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MagickRelinquishMemory((void*)description);
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ipipe->error = 1;
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return;
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}
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MagickSetLastIterator(wand);
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/* read all video parameter from input file */
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ipipe->probe_info->width = MagickGetImageWidth(wand);
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ipipe->probe_info->height = MagickGetImageHeight(wand);
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/* slide show? */
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ipipe->probe_info->frc = 9; /* FRC for 1 fps */
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ipipe->probe_info->fps = 1.0;
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ipipe->probe_info->magic = ipipe->magic;
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ipipe->probe_info->codec = TC_CODEC_RGB;
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DestroyMagickWand(wand);
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MagickWandTerminus();
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return;
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}
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#else // HAVE_IMAGEMAGICK
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void probe_im(info_t *ipipe)
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{
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tc_log_error(__FILE__, "no support for ImageMagick compiled - exit.");
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ipipe->error = 1;
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return;
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}
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#endif
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/*************************************************************************/
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/*
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* Local variables:
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* c-file-style: "stroustrup"
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* c-file-offsets: ((case-label . *) (statement-case-intro . *))
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* indent-tabs-mode: nil
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* End:
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*
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* vim: expandtab shiftwidth=4:
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*/
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