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/*
* import_imlist.c
*
* Copyright (C) Thomas Oestreich - February 2002
* port to MagickWand API:
* Copyright (C) Francesco Romani - July 2007
*
* 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.
*
*/
#define MOD_NAME "import_imlist.so"
#define MOD_VERSION "v0.1.1 (2007-08-04)"
#define MOD_CODEC "(video) RGB"
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
/* Note: because of ImageMagick bogosity, this must be included first, so
* we can undefine the PACKAGE_* symbols it splats into our namespace */
#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
#include <stdlib.h>
#include <stdio.h>
#include "src/transcode.h"
static int verbose_flag = TC_QUIET;
static int capability_flag = TC_CAP_RGB|TC_CAP_VID;
#define MOD_PRE imlist
#include "import_def.h"
static int TCHandleMagickError(MagickWand *wand)
{
ExceptionType severity;
const char *description = MagickGetException(wand, &severity);
tc_log_error(MOD_NAME, "%s", description);
MagickRelinquishMemory((void*)description);
return TC_IMPORT_ERROR;
}
static int width = 0, height = 0;
static FILE *fd = NULL;
static MagickWand *wand = NULL;
/* ------------------------------------------------------------
*
* open stream
*
* ------------------------------------------------------------*/
MOD_open
{
if (param->flag == TC_AUDIO) {
return(TC_IMPORT_OK);
}
if (param->flag == TC_VIDEO) {
param->fd = NULL;
width = vob->im_v_width;
height = vob->im_v_height;
tc_log_warn(MOD_NAME,
"This module is DEPRECATED.");
tc_log_warn(MOD_NAME,
"Please consider to use the multi input mode"
" (--multi_input) with import_im module.");
tc_log_warn(MOD_NAME,
"(e.g.) transcode --multi_input -x im ...");
fd = fopen(vob->video_in_file, "r");
if (fd == NULL) {
return TC_IMPORT_ERROR;
}
MagickWandGenesis();
wand = NewMagickWand();
if (wand == NULL) {
tc_log_error(MOD_NAME, "cannot create magick wand");
return TC_IMPORT_ERROR;
}
return TC_IMPORT_OK;
}
return TC_IMPORT_ERROR;
}
/* ------------------------------------------------------------
*
* decode stream
*
* ------------------------------------------------------------*/
MOD_decode
{
char filename[PATH_MAX+1];
MagickBooleanType status;
if (param->flag == TC_AUDIO) {
return TC_IMPORT_OK;
}
if (param->flag == TC_VIDEO) {
// read a filename from the list
if (fgets(filename, PATH_MAX, fd) == NULL) {
return TC_IMPORT_ERROR;
}
filename[PATH_MAX] = '\0'; /* enforce */
tc_strstrip(filename);
ClearMagickWand(wand);
/*
* This avoids IM to buffer all read images.
* I'm quite sure that this can be done in a smarter way,
* but I haven't yet figured out how. -- FRomani
*/
status = MagickReadImage(wand, filename);
if (status == MagickFalse) {
return TCHandleMagickError(wand);
}
MagickSetLastIterator(wand);
status = MagickGetImagePixels(wand,
0, 0, width, height,
"RGB", CharPixel,
param->buffer);
if (status == MagickFalse) {
return TCHandleMagickError(wand);
}
param->attributes |= TC_FRAME_IS_KEYFRAME;
return TC_IMPORT_OK;
}
return TC_IMPORT_ERROR;
}
/* ------------------------------------------------------------
*
* close stream
*
* ------------------------------------------------------------*/
MOD_close
{
if (param->flag == TC_AUDIO) {
return TC_IMPORT_OK;
}
if (param->flag == TC_VIDEO) {
if (fd != NULL) {
fclose(fd);
fd = NULL;
}
if (wand != NULL) {
DestroyMagickWand(wand);
MagickWandTerminus();
wand = NULL;
}
return TC_IMPORT_OK;
}
return TC_IMPORT_ERROR;
}
/*************************************************************************/
/*
* 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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