/*****************************************************************************
* png.c: png decoder module making use of libpng.
*****************************************************************************
- * Copyright (C) 1999-2001 the VideoLAN team
+ * Copyright (C) 1999-2001 VLC authors and VideoLAN
* $Id$
*
* Authors: Gildas Bazin <gbazin@videolan.org>
*
- * 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.
*****************************************************************************/
/*****************************************************************************
static void user_read( png_structp p_png, png_bytep data, png_size_t i_length )
{
block_t *p_block = (block_t *)png_get_io_ptr( p_png );
- png_size_t i_read = __MIN( p_block->i_buffer, i_length );
+ if( i_length > p_block->i_buffer ) {
+ png_error( p_png, "not enough data" );
+ return;
+ }
+
memcpy( data, p_block->p_buffer, i_length );
p_block->p_buffer += i_length;
p_block->i_buffer -= i_length;
-
- if( i_length != i_read ) png_error( p_png, "not enough data" );
}
static void user_error( png_structp p_png, png_const_charp error_msg )
p_info = png_create_info_struct( p_png );
if( p_info == NULL )
{
- png_destroy_read_struct( &p_png, png_infopp_NULL, png_infopp_NULL );
+ png_destroy_read_struct( &p_png, NULL, NULL );
block_Release( p_block ); *pp_block = NULL;
return NULL;
}
p_end_info = png_create_info_struct( p_png );
if( p_end_info == NULL )
{
- png_destroy_read_struct( &p_png, &p_info, png_infopp_NULL );
+ png_destroy_read_struct( &p_png, &p_info, NULL );
block_Release( p_block ); *pp_block = NULL;
return NULL;
}
p_dec->fmt_out.i_codec = VLC_CODEC_RGBA;
p_dec->fmt_out.video.i_width = i_width;
p_dec->fmt_out.video.i_height = i_height;
- p_dec->fmt_out.video.i_aspect = VOUT_ASPECT_FACTOR * i_width / i_height;
+ p_dec->fmt_out.video.i_sar_num = 1;
+ p_dec->fmt_out.video.i_sar_den = 1;
p_dec->fmt_out.video.i_rmask = 0x000000ff;
p_dec->fmt_out.video.i_gmask = 0x0000ff00;
p_dec->fmt_out.video.i_bmask = 0x00ff0000;