mirror of
https://code.videolan.org/videolan/vlc
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936 lines
33 KiB
C
936 lines
33 KiB
C
/*****************************************************************************
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* mosaic.c : Mosaic video plugin for vlc
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*****************************************************************************
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* Copyright (C) 2004-2008 the VideoLAN team
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* $Id$
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*
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* Authors: Antoine Cellerier <dionoea at videolan dot org>
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* Christophe Massiot <massiot@via.ecp.fr>
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*
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* This program 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 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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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 <vlc_common.h>
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#include <vlc_plugin.h>
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#include <math.h>
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#include <limits.h> /* INT_MAX */
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#include <vlc_filter.h>
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#include <vlc_image.h>
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#include "mosaic.h"
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#define BLANK_DELAY INT64_C(1000000)
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static int CreateFilter ( vlc_object_t * );
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static void DestroyFilter ( vlc_object_t * );
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static subpicture_t *Filter ( filter_t *, mtime_t );
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static int MosaicCallback ( vlc_object_t *, char const *, vlc_value_t,
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vlc_value_t, void * );
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/*****************************************************************************
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* filter_sys_t : filter descriptor
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*****************************************************************************/
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struct filter_sys_t
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{
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vlc_mutex_t lock; /* Internal filter lock */
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vlc_mutex_t *p_lock; /* Pointer to mosaic bridge lock */
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image_handler_t *p_image;
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int i_position; /* Mosaic positioning method */
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bool b_ar; /* Do we keep the aspect ratio ? */
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bool b_keep; /* Do we keep the original picture format ? */
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int i_width, i_height; /* Mosaic height and width */
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int i_cols, i_rows; /* Mosaic rows and cols */
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int i_align; /* Mosaic alignment in background video */
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int i_xoffset, i_yoffset; /* Top left corner offset */
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int i_borderw, i_borderh; /* Border width/height between miniatures */
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int i_alpha; /* Subfilter alpha blending */
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char **ppsz_order; /* List of picture-ids */
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int i_order_length;
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int *pi_x_offsets; /* List of substreams x offsets */
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int *pi_y_offsets; /* List of substreams y offsets */
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int i_offsets_length;
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mtime_t i_delay;
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};
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define ALPHA_TEXT N_("Transparency")
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#define ALPHA_LONGTEXT N_( \
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"Transparency of the mosaic foreground pictures. " \
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"0 means transparent, 255 opaque (default)." )
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#define HEIGHT_TEXT N_("Height")
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#define HEIGHT_LONGTEXT N_( "Total height of the mosaic, in pixels." )
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#define WIDTH_TEXT N_("Width")
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#define WIDTH_LONGTEXT N_( "Total width of the mosaic, in pixels." )
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#define XOFFSET_TEXT N_("Top left corner X coordinate")
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#define XOFFSET_LONGTEXT N_( \
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"X Coordinate of the top-left corner of the mosaic.")
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#define YOFFSET_TEXT N_("Top left corner Y coordinate")
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#define YOFFSET_LONGTEXT N_( \
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"Y Coordinate of the top-left corner of the mosaic.")
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#define BORDERW_TEXT N_("Border width")
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#define BORDERW_LONGTEXT N_( \
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"Width in pixels of the border between miniatures." )
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#define BORDERH_TEXT N_("Border height")
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#define BORDERH_LONGTEXT N_( \
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"Height in pixels of the border between miniatures." )
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#define ALIGN_TEXT N_("Mosaic alignment" )
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#define ALIGN_LONGTEXT N_( \
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"You can enforce the mosaic alignment on the video " \
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"(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
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"also use combinations of these values, eg 6 = top-right).")
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#define POS_TEXT N_("Positioning method")
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#define POS_LONGTEXT N_( \
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"Positioning method for the mosaic. auto: " \
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"automatically choose the best number of rows and columns. " \
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"fixed: use the user-defined number of rows and columns. " \
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"offsets: use the user-defined offsets for each image." )
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#define ROWS_TEXT N_("Number of rows")
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#define ROWS_LONGTEXT N_( \
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"Number of image rows in the mosaic (only used if " \
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"positionning method is set to \"fixed\")." )
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#define COLS_TEXT N_("Number of columns")
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#define COLS_LONGTEXT N_( \
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"Number of image columns in the mosaic (only used if " \
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"positionning method is set to \"fixed\"." )
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#define AR_TEXT N_("Keep aspect ratio")
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#define AR_LONGTEXT N_( \
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"Keep the original aspect ratio when resizing " \
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"mosaic elements." )
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#define KEEP_TEXT N_("Keep original size")
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#define KEEP_LONGTEXT N_( \
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"Keep the original size of mosaic elements." )
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#define ORDER_TEXT N_("Elements order" )
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#define ORDER_LONGTEXT N_( \
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"You can enforce the order of the elements on " \
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"the mosaic. You must give a comma-separated list of picture ID(s)." \
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"These IDs are assigned in the \"mosaic-bridge\" module." )
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#define OFFSETS_TEXT N_("Offsets in order" )
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#define OFFSETS_LONGTEXT N_( \
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"You can enforce the (x,y) offsets of the elements on the mosaic " \
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"(only used if positioning method is set to \"offsets\"). You " \
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"must give a comma-separated list of coordinates (eg: 10,10,150,10)." )
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#define DELAY_TEXT N_("Delay")
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#define DELAY_LONGTEXT N_( \
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"Pictures coming from the mosaic elements will be delayed " \
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"according to this value (in milliseconds). For high " \
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"values you will need to raise caching at input.")
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enum
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{
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position_auto = 0, position_fixed = 1, position_offsets = 2
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};
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static const int pi_pos_values[] = { 0, 1, 2 };
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static const char *const ppsz_pos_descriptions[] =
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{ N_("auto"), N_("fixed"), N_("offsets") };
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static const int pi_align_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
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static const char *const ppsz_align_descriptions[] =
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{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
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N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
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#define CFG_PREFIX "mosaic-"
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vlc_module_begin ()
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set_description( N_("Mosaic video sub filter") )
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set_shortname( N_("Mosaic") )
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set_category( CAT_VIDEO )
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set_subcategory( SUBCAT_VIDEO_SUBPIC)
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set_capability( "sub filter", 0 )
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set_callbacks( CreateFilter, DestroyFilter )
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add_integer_with_range( CFG_PREFIX "alpha", 255, 0, 255, NULL,
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ALPHA_TEXT, ALPHA_LONGTEXT, false )
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add_integer( CFG_PREFIX "height", 100, NULL,
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HEIGHT_TEXT, HEIGHT_LONGTEXT, false )
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add_integer( CFG_PREFIX "width", 100, NULL,
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WIDTH_TEXT, WIDTH_LONGTEXT, false )
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add_integer( CFG_PREFIX "align", 5, NULL,
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ALIGN_TEXT, ALIGN_LONGTEXT, true)
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change_integer_list( pi_align_values, ppsz_align_descriptions, NULL )
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add_integer( CFG_PREFIX "xoffset", 0, NULL,
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XOFFSET_TEXT, XOFFSET_LONGTEXT, true )
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add_integer( CFG_PREFIX "yoffset", 0, NULL,
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YOFFSET_TEXT, YOFFSET_LONGTEXT, true )
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add_integer( CFG_PREFIX "borderw", 0, NULL,
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BORDERW_TEXT, BORDERW_LONGTEXT, true )
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add_deprecated_alias( CFG_PREFIX "vborder" )
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add_integer( CFG_PREFIX "borderh", 0, NULL,
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BORDERH_TEXT, BORDERH_LONGTEXT, true )
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add_deprecated_alias( CFG_PREFIX "hborder" )
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add_integer( CFG_PREFIX "position", 0, NULL,
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POS_TEXT, POS_LONGTEXT, false )
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change_integer_list( pi_pos_values, ppsz_pos_descriptions, NULL )
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add_integer( CFG_PREFIX "rows", 2, NULL,
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ROWS_TEXT, ROWS_LONGTEXT, false )
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add_integer( CFG_PREFIX "cols", 2, NULL,
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COLS_TEXT, COLS_LONGTEXT, false )
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add_bool( CFG_PREFIX "keep-aspect-ratio", false, NULL,
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AR_TEXT, AR_LONGTEXT, false )
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add_bool( CFG_PREFIX "keep-picture", false, NULL,
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KEEP_TEXT, KEEP_LONGTEXT, false )
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add_string( CFG_PREFIX "order", "", NULL,
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ORDER_TEXT, ORDER_LONGTEXT, false )
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add_string( CFG_PREFIX "offsets", "", NULL,
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OFFSETS_TEXT, OFFSETS_LONGTEXT, false )
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add_integer( CFG_PREFIX "delay", 0, NULL, DELAY_TEXT, DELAY_LONGTEXT,
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false )
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vlc_module_end ()
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static const char *const ppsz_filter_options[] = {
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"alpha", "height", "width", "align", "xoffset", "yoffset",
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"borderw", "borderh", "position", "rows", "cols",
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"keep-aspect-ratio", "keep-picture", "order", "offsets",
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"delay", NULL
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};
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/*****************************************************************************
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* mosaic_ParseSetOffsets:
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* parse the "--mosaic-offsets x1,y1,x2,y2,x3,y3" parameter
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* and set the corresponding struct filter_sys_t entries.
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*****************************************************************************/
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#define mosaic_ParseSetOffsets( a, b, c ) \
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__mosaic_ParseSetOffsets( VLC_OBJECT( a ), b, c )
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static void __mosaic_ParseSetOffsets( vlc_object_t *p_this,
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filter_sys_t *p_sys,
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char *psz_offsets )
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{
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if( *psz_offsets )
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{
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char *psz_end = NULL;
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int i_index = 0;
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do
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{
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i_index++;
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p_sys->pi_x_offsets =
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realloc( p_sys->pi_x_offsets, i_index * sizeof(int) );
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p_sys->pi_x_offsets[i_index - 1] = atoi( psz_offsets );
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psz_end = strchr( psz_offsets, ',' );
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psz_offsets = psz_end + 1;
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p_sys->pi_y_offsets =
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realloc( p_sys->pi_y_offsets, i_index * sizeof(int) );
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p_sys->pi_y_offsets[i_index - 1] = atoi( psz_offsets );
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psz_end = strchr( psz_offsets, ',' );
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psz_offsets = psz_end + 1;
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msg_Dbg( p_this, CFG_PREFIX "offset: id %d, x=%d, y=%d",
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i_index, p_sys->pi_x_offsets[i_index - 1],
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p_sys->pi_y_offsets[i_index - 1] );
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} while( psz_end );
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p_sys->i_offsets_length = i_index;
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}
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}
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/*****************************************************************************
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* CreateFiler: allocate mosaic video filter
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*****************************************************************************/
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static int CreateFilter( vlc_object_t *p_this )
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{
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filter_t *p_filter = (filter_t *)p_this;
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filter_sys_t *p_sys;
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vlc_object_t *p_libvlc = VLC_OBJECT( p_filter->p_libvlc );
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char *psz_order, *_psz_order;
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char *psz_offsets;
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int i_index;
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vlc_value_t val;
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int i_command;
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/* The mosaic thread is more important than the decoder threads */
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vlc_thread_set_priority( p_this, VLC_THREAD_PRIORITY_OUTPUT );
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/* Allocate structure */
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p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
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if( p_sys == NULL )
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return VLC_ENOMEM;
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p_filter->pf_sub_filter = Filter;
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vlc_mutex_init( &p_sys->lock );
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vlc_mutex_lock( &p_sys->lock );
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var_Create( p_libvlc, "mosaic-lock", VLC_VAR_MUTEX );
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var_Get( p_libvlc, "mosaic-lock", &val );
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p_sys->p_lock = val.p_address;
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config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
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p_filter->p_cfg );
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#define GET_VAR( name, min, max ) \
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i_command = var_CreateGetIntegerCommand( p_filter, CFG_PREFIX #name ); \
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p_sys->i_##name = __MIN( max, __MAX( min, i_command ) ); \
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var_AddCallback( p_filter, CFG_PREFIX #name, MosaicCallback, p_sys );
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GET_VAR( width, 0, INT_MAX );
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GET_VAR( height, 0, INT_MAX );
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GET_VAR( xoffset, 0, INT_MAX );
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GET_VAR( yoffset, 0, INT_MAX );
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GET_VAR( align, 0, 10 );
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if( p_sys->i_align == 3 || p_sys->i_align == 7 )
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p_sys->i_align = 5;
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GET_VAR( borderw, 0, INT_MAX );
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GET_VAR( borderh, 0, INT_MAX );
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GET_VAR( rows, 1, INT_MAX );
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GET_VAR( cols, 1, INT_MAX );
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GET_VAR( alpha, 0, 255 );
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GET_VAR( position, 0, 2 );
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GET_VAR( delay, 100, INT_MAX );
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#undef GET_VAR
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p_sys->i_delay *= 1000;
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p_sys->b_ar = var_CreateGetBoolCommand( p_filter,
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CFG_PREFIX "keep-aspect-ratio" );
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var_AddCallback( p_filter, CFG_PREFIX "keep-aspect-ratio", MosaicCallback,
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p_sys );
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p_sys->b_keep = var_CreateGetBoolCommand( p_filter,
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CFG_PREFIX "keep-picture" );
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if ( !p_sys->b_keep )
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{
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p_sys->p_image = image_HandlerCreate( p_filter );
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}
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p_sys->i_order_length = 0;
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p_sys->ppsz_order = NULL;
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psz_order = var_CreateGetStringCommand( p_filter, CFG_PREFIX "order" );
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_psz_order = psz_order;
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var_AddCallback( p_filter, CFG_PREFIX "order", MosaicCallback, p_sys );
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if( *psz_order )
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{
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char *psz_end = NULL;
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i_index = 0;
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do
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{
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psz_end = strchr( psz_order, ',' );
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i_index++;
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p_sys->ppsz_order = realloc( p_sys->ppsz_order,
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i_index * sizeof(char *) );
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p_sys->ppsz_order[i_index - 1] = strndup( psz_order,
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psz_end - psz_order );
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psz_order = psz_end+1;
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} while( psz_end );
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p_sys->i_order_length = i_index;
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}
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free( _psz_order );
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/* Manage specific offsets for substreams */
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psz_offsets = var_CreateGetStringCommand( p_filter, CFG_PREFIX "offsets" );
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p_sys->i_offsets_length = 0;
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p_sys->pi_x_offsets = NULL;
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p_sys->pi_y_offsets = NULL;
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mosaic_ParseSetOffsets( p_filter, p_sys, psz_offsets );
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free( psz_offsets );
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var_AddCallback( p_filter, CFG_PREFIX "offsets", MosaicCallback, p_sys );
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vlc_mutex_unlock( &p_sys->lock );
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* DestroyFilter: destroy mosaic video filter
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*****************************************************************************/
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static void DestroyFilter( vlc_object_t *p_this )
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{
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filter_t *p_filter = (filter_t*)p_this;
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filter_sys_t *p_sys = p_filter->p_sys;
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#define DEL_CB( name ) \
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var_DelCallback( p_filter, CFG_PREFIX #name, MosaicCallback, p_sys )
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DEL_CB( width );
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DEL_CB( height );
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DEL_CB( xoffset );
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DEL_CB( yoffset );
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DEL_CB( align );
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DEL_CB( borderw );
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DEL_CB( borderh );
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DEL_CB( rows );
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DEL_CB( cols );
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DEL_CB( alpha );
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DEL_CB( position );
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DEL_CB( delay );
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DEL_CB( keep-aspect-ratio );
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DEL_CB( order );
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#undef DEL_CB
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if( !p_sys->b_keep )
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{
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image_HandlerDelete( p_sys->p_image );
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}
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if( p_sys->i_order_length )
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{
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for( int i_index = 0; i_index < p_sys->i_order_length; i_index++ )
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{
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free( p_sys->ppsz_order[i_index] );
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}
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free( p_sys->ppsz_order );
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}
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if( p_sys->i_offsets_length )
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{
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free( p_sys->pi_x_offsets );
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free( p_sys->pi_y_offsets );
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p_sys->i_offsets_length = 0;
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}
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vlc_mutex_destroy( &p_sys->lock );
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free( p_sys );
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}
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/*****************************************************************************
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* Filter
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*****************************************************************************/
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static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
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{
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filter_sys_t *p_sys = p_filter->p_sys;
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bridge_t *p_bridge;
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subpicture_t *p_spu;
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int i_index, i_real_index, i_row, i_col;
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int i_greatest_real_index_used = p_sys->i_order_length - 1;
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unsigned int col_inner_width, row_inner_height;
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subpicture_region_t *p_region;
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subpicture_region_t *p_region_prev = NULL;
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/* Allocate the subpicture internal data. */
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p_spu = filter_NewSubpicture( p_filter );
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if( !p_spu )
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return NULL;
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|
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/* Initialize subpicture */
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p_spu->i_channel = 0;
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|
p_spu->i_start = date;
|
|
p_spu->i_stop = 0;
|
|
p_spu->b_ephemer = true;
|
|
p_spu->i_alpha = p_sys->i_alpha;
|
|
p_spu->b_absolute = false;
|
|
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
vlc_mutex_lock( p_sys->p_lock );
|
|
|
|
p_bridge = GetBridge( p_filter );
|
|
if ( p_bridge == NULL )
|
|
{
|
|
vlc_mutex_unlock( p_sys->p_lock );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
return p_spu;
|
|
}
|
|
|
|
if ( p_sys->i_position == position_offsets )
|
|
{
|
|
/* If we have either too much or not enough offsets, fall-back
|
|
* to automatic positioning. */
|
|
if ( p_sys->i_offsets_length != p_sys->i_order_length )
|
|
{
|
|
msg_Err( p_filter,
|
|
"Number of specified offsets (%d) does not match number "
|
|
"of input substreams in mosaic-order (%d), falling back "
|
|
"to mosaic-position=0",
|
|
p_sys->i_offsets_length, p_sys->i_order_length );
|
|
p_sys->i_position = position_auto;
|
|
}
|
|
}
|
|
|
|
if ( p_sys->i_position == position_auto )
|
|
{
|
|
int i_numpics = p_sys->i_order_length; /* keep slots and all */
|
|
for ( i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
|
|
{
|
|
bridged_es_t *p_es = p_bridge->pp_es[i_index];
|
|
if ( !p_es->b_empty )
|
|
{
|
|
i_numpics ++;
|
|
if( p_sys->i_order_length && p_es->psz_id != NULL )
|
|
{
|
|
/* We also want to leave slots for images given in
|
|
* mosaic-order that are not available in p_vout_picture */
|
|
int i;
|
|
for( i = 0; i < p_sys->i_order_length ; i++ )
|
|
{
|
|
if( !strcmp( p_sys->ppsz_order[i], p_es->psz_id ) )
|
|
{
|
|
i_numpics--;
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
p_sys->i_rows = ceil(sqrt( (double)i_numpics ));
|
|
p_sys->i_cols = ( i_numpics % p_sys->i_rows == 0 ?
|
|
i_numpics / p_sys->i_rows :
|
|
i_numpics / p_sys->i_rows + 1 );
|
|
}
|
|
|
|
col_inner_width = ( ( p_sys->i_width - ( p_sys->i_cols - 1 )
|
|
* p_sys->i_borderw ) / p_sys->i_cols );
|
|
row_inner_height = ( ( p_sys->i_height - ( p_sys->i_rows - 1 )
|
|
* p_sys->i_borderh ) / p_sys->i_rows );
|
|
|
|
i_real_index = 0;
|
|
|
|
for ( i_index = 0; i_index < p_bridge->i_es_num; i_index++ )
|
|
{
|
|
bridged_es_t *p_es = p_bridge->pp_es[i_index];
|
|
video_format_t fmt_in, fmt_out;
|
|
picture_t *p_converted;
|
|
|
|
memset( &fmt_in, 0, sizeof( video_format_t ) );
|
|
memset( &fmt_out, 0, sizeof( video_format_t ) );
|
|
|
|
if ( p_es->b_empty )
|
|
continue;
|
|
|
|
while ( p_es->p_picture != NULL
|
|
&& p_es->p_picture->date + p_sys->i_delay < date )
|
|
{
|
|
if ( p_es->p_picture->p_next != NULL )
|
|
{
|
|
picture_t *p_next = p_es->p_picture->p_next;
|
|
picture_Release( p_es->p_picture );
|
|
p_es->p_picture = p_next;
|
|
}
|
|
else if ( p_es->p_picture->date + p_sys->i_delay + BLANK_DELAY <
|
|
date )
|
|
{
|
|
/* Display blank */
|
|
picture_Release( p_es->p_picture );
|
|
p_es->p_picture = NULL;
|
|
p_es->pp_last = &p_es->p_picture;
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
msg_Dbg( p_filter, "too late picture for %s (%"PRId64 ")",
|
|
p_es->psz_id,
|
|
date - p_es->p_picture->date - p_sys->i_delay );
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ( p_es->p_picture == NULL )
|
|
continue;
|
|
|
|
if ( p_sys->i_order_length == 0 )
|
|
{
|
|
i_real_index++;
|
|
}
|
|
else
|
|
{
|
|
int i;
|
|
for ( i = 0; i <= p_sys->i_order_length; i++ )
|
|
{
|
|
if ( i == p_sys->i_order_length ) break;
|
|
if ( strcmp( p_es->psz_id, p_sys->ppsz_order[i] ) == 0 )
|
|
{
|
|
i_real_index = i;
|
|
break;
|
|
}
|
|
}
|
|
if ( i == p_sys->i_order_length )
|
|
i_real_index = ++i_greatest_real_index_used;
|
|
}
|
|
i_row = ( i_real_index / p_sys->i_cols ) % p_sys->i_rows;
|
|
i_col = i_real_index % p_sys->i_cols ;
|
|
|
|
if ( !p_sys->b_keep )
|
|
{
|
|
/* Convert the images */
|
|
fmt_in.i_chroma = p_es->p_picture->format.i_chroma;
|
|
fmt_in.i_height = p_es->p_picture->format.i_height;
|
|
fmt_in.i_width = p_es->p_picture->format.i_width;
|
|
|
|
if( fmt_in.i_chroma == VLC_CODEC_YUVA ||
|
|
fmt_in.i_chroma == VLC_CODEC_RGBA )
|
|
fmt_out.i_chroma = VLC_CODEC_YUVA;
|
|
else
|
|
fmt_out.i_chroma = VLC_CODEC_I420;
|
|
fmt_out.i_width = col_inner_width;
|
|
fmt_out.i_height = row_inner_height;
|
|
|
|
if( p_sys->b_ar ) /* keep aspect ratio */
|
|
{
|
|
if( (float)fmt_out.i_width / (float)fmt_out.i_height
|
|
> (float)fmt_in.i_width / (float)fmt_in.i_height )
|
|
{
|
|
fmt_out.i_width = ( fmt_out.i_height * fmt_in.i_width )
|
|
/ fmt_in.i_height;
|
|
}
|
|
else
|
|
{
|
|
fmt_out.i_height = ( fmt_out.i_width * fmt_in.i_height )
|
|
/ fmt_in.i_width;
|
|
}
|
|
}
|
|
|
|
fmt_out.i_visible_width = fmt_out.i_width;
|
|
fmt_out.i_visible_height = fmt_out.i_height;
|
|
|
|
p_converted = image_Convert( p_sys->p_image, p_es->p_picture,
|
|
&fmt_in, &fmt_out );
|
|
if( !p_converted )
|
|
{
|
|
msg_Warn( p_filter,
|
|
"image resizing and chroma conversion failed" );
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
p_converted = p_es->p_picture;
|
|
fmt_in.i_width = fmt_out.i_width = p_converted->format.i_width;
|
|
fmt_in.i_height = fmt_out.i_height = p_converted->format.i_height;
|
|
fmt_in.i_chroma = fmt_out.i_chroma = p_converted->format.i_chroma;
|
|
fmt_out.i_visible_width = fmt_out.i_width;
|
|
fmt_out.i_visible_height = fmt_out.i_height;
|
|
}
|
|
|
|
p_region = subpicture_region_New( &fmt_out );
|
|
/* FIXME the copy is probably not needed anymore */
|
|
if( p_region )
|
|
picture_Copy( p_region->p_picture, p_converted );
|
|
if( !p_sys->b_keep )
|
|
picture_Release( p_converted );
|
|
|
|
if( !p_region )
|
|
{
|
|
msg_Err( p_filter, "cannot allocate SPU region" );
|
|
p_filter->pf_sub_buffer_del( p_filter, p_spu );
|
|
vlc_mutex_unlock( p_sys->p_lock );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
return p_spu;
|
|
}
|
|
|
|
if( p_es->i_x >= 0 && p_es->i_y >= 0 )
|
|
{
|
|
p_region->i_x = p_es->i_x;
|
|
p_region->i_y = p_es->i_y;
|
|
}
|
|
else if( p_sys->i_position == position_offsets )
|
|
{
|
|
p_region->i_x = p_sys->pi_x_offsets[i_real_index];
|
|
p_region->i_y = p_sys->pi_y_offsets[i_real_index];
|
|
}
|
|
else
|
|
{
|
|
if( fmt_out.i_width > col_inner_width ||
|
|
p_sys->b_ar || p_sys->b_keep )
|
|
{
|
|
/* we don't have to center the video since it takes the
|
|
whole rectangle area or it's larger than the rectangle */
|
|
p_region->i_x = p_sys->i_xoffset
|
|
+ i_col * ( p_sys->i_width / p_sys->i_cols )
|
|
+ ( i_col * p_sys->i_borderw ) / p_sys->i_cols;
|
|
}
|
|
else
|
|
{
|
|
/* center the video in the dedicated rectangle */
|
|
p_region->i_x = p_sys->i_xoffset
|
|
+ i_col * ( p_sys->i_width / p_sys->i_cols )
|
|
+ ( i_col * p_sys->i_borderw ) / p_sys->i_cols
|
|
+ ( col_inner_width - fmt_out.i_width ) / 2;
|
|
}
|
|
|
|
if( fmt_out.i_height > row_inner_height
|
|
|| p_sys->b_ar || p_sys->b_keep )
|
|
{
|
|
/* we don't have to center the video since it takes the
|
|
whole rectangle area or it's taller than the rectangle */
|
|
p_region->i_y = p_sys->i_yoffset
|
|
+ i_row * ( p_sys->i_height / p_sys->i_rows )
|
|
+ ( i_row * p_sys->i_borderh ) / p_sys->i_rows;
|
|
}
|
|
else
|
|
{
|
|
/* center the video in the dedicated rectangle */
|
|
p_region->i_y = p_sys->i_yoffset
|
|
+ i_row * ( p_sys->i_height / p_sys->i_rows )
|
|
+ ( i_row * p_sys->i_borderh ) / p_sys->i_rows
|
|
+ ( row_inner_height - fmt_out.i_height ) / 2;
|
|
}
|
|
}
|
|
p_region->i_align = p_sys->i_align;
|
|
p_region->i_alpha = p_es->i_alpha;
|
|
|
|
if( p_region_prev == NULL )
|
|
{
|
|
p_spu->p_region = p_region;
|
|
}
|
|
else
|
|
{
|
|
p_region_prev->p_next = p_region;
|
|
}
|
|
|
|
p_region_prev = p_region;
|
|
}
|
|
|
|
vlc_mutex_unlock( p_sys->p_lock );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
|
|
return p_spu;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Callback to update params on the fly
|
|
*****************************************************************************/
|
|
static int MosaicCallback( vlc_object_t *p_this, char const *psz_var,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void *p_data )
|
|
{
|
|
VLC_UNUSED(oldval);
|
|
filter_sys_t *p_sys = (filter_sys_t *) p_data;
|
|
|
|
#define VAR_IS( a ) !strcmp( psz_var, CFG_PREFIX a )
|
|
if( VAR_IS( "alpha" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing alpha from %d/255 to %d/255",
|
|
p_sys->i_alpha, newval.i_int);
|
|
p_sys->i_alpha = __MIN( __MAX( newval.i_int, 0 ), 255 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "height" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing height from %dpx to %dpx",
|
|
p_sys->i_height, newval.i_int );
|
|
p_sys->i_height = __MAX( newval.i_int, 0 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "width" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing width from %dpx to %dpx",
|
|
p_sys->i_width, newval.i_int );
|
|
p_sys->i_width = __MAX( newval.i_int, 0 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "xoffset" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing x offset from %dpx to %dpx",
|
|
p_sys->i_xoffset, newval.i_int );
|
|
p_sys->i_xoffset = __MAX( newval.i_int, 0 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "yoffset" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing y offset from %dpx to %dpx",
|
|
p_sys->i_yoffset, newval.i_int );
|
|
p_sys->i_yoffset = __MAX( newval.i_int, 0 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "align" ) )
|
|
{
|
|
int i_old = 0, i_new = 0;
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
newval.i_int = __MIN( __MAX( newval.i_int, 0 ), 10 );
|
|
if( newval.i_int == 3 || newval.i_int == 7 )
|
|
newval.i_int = 5;
|
|
while( pi_align_values[i_old] != p_sys->i_align ) i_old++;
|
|
while( pi_align_values[i_new] != newval.i_int ) i_new++;
|
|
msg_Dbg( p_this, "changing alignment from %d (%s) to %d (%s)",
|
|
p_sys->i_align, ppsz_align_descriptions[i_old],
|
|
newval.i_int, ppsz_align_descriptions[i_new] );
|
|
p_sys->i_align = newval.i_int;
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "borderw" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing border width from %dpx to %dpx",
|
|
p_sys->i_borderw, newval.i_int );
|
|
p_sys->i_borderw = __MAX( newval.i_int, 0 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "borderh" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing border height from %dpx to %dpx",
|
|
p_sys->i_borderh, newval.i_int );
|
|
p_sys->i_borderh = __MAX( newval.i_int, 0 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "position" ) )
|
|
{
|
|
if( newval.i_int > 2 || newval.i_int < 0 )
|
|
{
|
|
msg_Err( p_this,
|
|
"Position is either 0 (%s), 1 (%s) or 2 (%s)",
|
|
ppsz_pos_descriptions[0],
|
|
ppsz_pos_descriptions[1],
|
|
ppsz_pos_descriptions[2] );
|
|
}
|
|
else
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing position method from %d (%s) to %d (%s)",
|
|
p_sys->i_position, ppsz_pos_descriptions[p_sys->i_position],
|
|
newval.i_int, ppsz_pos_descriptions[newval.i_int]);
|
|
p_sys->i_position = newval.i_int;
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
}
|
|
else if( VAR_IS( "rows" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing number of rows from %d to %d",
|
|
p_sys->i_rows, newval.i_int );
|
|
p_sys->i_rows = __MAX( newval.i_int, 1 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "cols" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "changing number of columns from %d to %d",
|
|
p_sys->i_cols, newval.i_int );
|
|
p_sys->i_cols = __MAX( newval.i_int, 1 );
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "order" ) )
|
|
{
|
|
char *psz_order;
|
|
int i_index;
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Dbg( p_this, "Changing mosaic order to %s", newval.psz_string );
|
|
|
|
psz_order = newval.psz_string;
|
|
|
|
while( p_sys->i_order_length-- )
|
|
{
|
|
free( p_sys->ppsz_order[p_sys->i_order_length] );
|
|
}
|
|
free( p_sys->ppsz_order );
|
|
p_sys->ppsz_order = NULL;
|
|
|
|
if( *psz_order )
|
|
{
|
|
char *psz_end = NULL;
|
|
i_index = 0;
|
|
do
|
|
{
|
|
psz_end = strchr( psz_order, ',' );
|
|
i_index++;
|
|
p_sys->ppsz_order = realloc( p_sys->ppsz_order,
|
|
i_index * sizeof(char *) );
|
|
p_sys->ppsz_order[i_index - 1] = strndup( psz_order,
|
|
psz_end - psz_order );
|
|
psz_order = psz_end+1;
|
|
} while( psz_end );
|
|
p_sys->i_order_length = i_index;
|
|
}
|
|
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "offsets" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
msg_Info( p_this, "Changing mosaic-offsets to %s", newval.psz_string );
|
|
|
|
if( p_sys->i_offsets_length != 0 )
|
|
{
|
|
p_sys->i_offsets_length = 0;
|
|
free( p_sys->pi_x_offsets );
|
|
free( p_sys->pi_y_offsets );
|
|
p_sys->pi_x_offsets = NULL;
|
|
p_sys->pi_y_offsets = NULL;
|
|
}
|
|
|
|
mosaic_ParseSetOffsets( p_this, p_sys, newval.psz_string );
|
|
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "keep-aspect-ratio" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
if( newval.i_int )
|
|
{
|
|
msg_Dbg( p_this, "keeping aspect ratio" );
|
|
p_sys->b_ar = 1;
|
|
}
|
|
else
|
|
{
|
|
msg_Dbg( p_this, "won't keep aspect ratio" );
|
|
p_sys->b_ar = 0;
|
|
}
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
else if( VAR_IS( "keep-picture" ) )
|
|
{
|
|
vlc_mutex_lock( &p_sys->lock );
|
|
p_sys->b_keep = newval.b_bool;
|
|
if ( !p_sys->b_keep && !p_sys->p_image )
|
|
{
|
|
p_sys->p_image = image_HandlerCreate( p_this );
|
|
}
|
|
vlc_mutex_unlock( &p_sys->lock );
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|