/*****************************************************************************
* opencv_wrapper.c : OpenCV wrapper video filter
*****************************************************************************
- * Copyright (C) 2006-2012 the VideoLAN team
+ * Copyright (C) 2006-2012 VLC authors and VideoLAN
* Copyright (C) 2012 Edward Wang
*
* Authors: Dugal Harris <dugalh@protoclea.co.za>
* Edward Wang <edward.c.wang@compdigitec.com>
*
- * 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
#include <vlc_vout.h>
#include <vlc_modules.h>
-#include <math.h>
-#include <time.h>
-
#include <vlc_filter.h>
#include <vlc_image.h>
-#include <vlc_input.h>
#include "filter_picture.h"
#include <cxcore.h>
add_string( "opencv-chroma", "input",
N_("OpenCV filter chroma"),
N_("Chroma to convert picture to before sending it to the internal OpenCV filter"), false);
- change_string_list( chroma_list, chroma_list_text, 0);
+ change_string_list( chroma_list, chroma_list_text )
add_string( "opencv-output", "input",
N_("Wrapper filter output"),
N_("Determines what (if any) video is displayed by the wrapper filter"), false);
- change_string_list( output_list, output_list_text, 0);
+ change_string_list( output_list, output_list_text )
add_string( "opencv-filter-name", "none",
N_("OpenCV internal filter name"),
N_("Name of internal OpenCV plugin filter to use"), false);
static int Create( vlc_object_t *p_this )
{
filter_t* p_filter = (filter_t*)p_this;
- char *psz_chroma, *psz_output, *psz_verbosity;
+ char *psz_chroma, *psz_output;
/* Allocate structure */
p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
// input video size
CvSize sz = cvSize(abs(p_in->format.i_width), abs(p_in->format.i_height));
video_format_t fmt_out;
- double duration;
filter_sys_t* p_sys = p_filter->p_sys;
memset( &fmt_out, 0, sizeof(video_format_t) );
//rgb2 gives 3 separate planes, this gives 1 interleaved plane
//rv24 gives is about 20% faster but gives r&b the wrong way round
//and I can't think of an easy way to fix this
- fmt_out.i_chroma = VLC_CODEC_RGB32;
+ fmt_out.i_chroma = VLC_CODEC_RGB24;
}
else if (p_sys->i_internal_chroma == GREY)
{
}
else //((p_sys->f_scale != 1) || (p_sys->i_internal_chroma != CINPUT))
{
- //use the input image without conversion
- p_sys->p_proc_image = p_in;
+ // In theory, you could use the input image without conversion,
+ // but it seems to cause weird picture effects (like repeated
+ // image filtering) and picture leaking.
+ p_sys->p_proc_image = filter_NewPicture( p_filter ); //p_in
+ picture_Copy( p_sys->p_proc_image, p_in );
+ p_sys->p_to_be_freed = p_sys->p_proc_image;
}
//Convert to the IplImage array that is to be processed.
return NULL;
}
+ video_format_t fmt_out;
+
// Make a copy if we want to show the original input
if (p_filter->p_sys->i_wrapper_output == VINPUT)
picture_Copy( p_outpic, p_pic );
VlcPictureToIplImage( p_filter, p_pic );
// Pass the image (as a pointer to the first IplImage*) to the
// internal OpenCV filter for processing.
- p_filter->p_sys->p_opencv->pf_video_filter( p_filter->p_sys->p_opencv, &(p_filter->p_sys->p_cv_image[0]) );
+ p_filter->p_sys->p_opencv->pf_video_filter( p_filter->p_sys->p_opencv, (picture_t*)&(p_filter->p_sys->p_cv_image[0]) );
if(p_filter->p_sys->i_wrapper_output == PROCESSED) {
// Processed video
- if ((p_filter->p_sys->p_proc_image) && (p_filter->p_sys->p_proc_image->i_planes > 0)) {
+ if( (p_filter->p_sys->p_proc_image) &&
+ (p_filter->p_sys->p_proc_image->i_planes > 0) &&
+ (p_filter->p_sys->i_internal_chroma != CINPUT) ) {
+ //p_filter->p_sys->p_proc_image->format.i_chroma = VLC_CODEC_RGB24;
+
+ memset( &fmt_out, 0, sizeof(video_format_t) );
+ fmt_out = p_pic->format;
+ //picture_Release( p_outpic );
+
+ /*
+ * We have to copy out the image from image_Convert(), otherwise
+ * you leak pictures for some reason:
+ * main video output error: pictures leaked, trying to workaround
+ */
+ picture_t* p_outpic_tmp = image_Convert(
+ p_filter->p_sys->p_image,
+ p_filter->p_sys->p_proc_image,
+ &(p_filter->p_sys->p_proc_image->format),
+ &fmt_out );
+
+ picture_CopyPixels( p_outpic, p_outpic_tmp );
+ CopyInfoAndRelease( p_outpic, p_outpic_tmp );
+ } else if( p_filter->p_sys->i_internal_chroma == CINPUT ) {
picture_CopyPixels( p_outpic, p_filter->p_sys->p_proc_image );
- CopyInfoAndRelease( p_outpic, p_pic );
+ picture_CopyProperties( p_outpic, p_filter->p_sys->p_proc_image );
}
}