/*****************************************************************************
-* mosaic.c : Mosaic video plugin for vlc
-*****************************************************************************
-* Copyright (C) 2004 VideoLAN
-* $Id: $
-*
-* Authors: Antoine Cellerier <dionoea@via.ecp.fr>
-*
-* 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
-* (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.
-*
-* 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., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * mosaic.c : Mosaic video plugin for vlc
+ *****************************************************************************
+ * Copyright (C) 2004-2008 VLC authors and VideoLAN
+ * $Id$
+ *
+ * Authors: Antoine Cellerier <dionoea at videolan dot org>
+ * Christophe Massiot <massiot@via.ecp.fr>
+ *
+ * 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 Lesser General Public License for more details.
+ *
+ * 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.
*****************************************************************************/
/*****************************************************************************
-* Preamble
-*****************************************************************************/
-#include <stdlib.h> /* malloc(), free() */
-#include <string.h>
+ * Preamble
+ *****************************************************************************/
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+
#include <math.h>
+#include <limits.h> /* INT_MAX */
-#include <vlc/vlc.h>
-#include <vlc/vout.h>
+#include <vlc_filter.h>
+#include <vlc_image.h>
-#include "vlc_filter.h"
-#include "vlc_input.h"
+#include "mosaic.h"
-#include "vlc_image.h"
+#define BLANK_DELAY INT64_C(1000000)
/*****************************************************************************
-* Local prototypes
-*****************************************************************************/
-
+ * Local prototypes
+ *****************************************************************************/
static int CreateFilter ( vlc_object_t * );
static void DestroyFilter ( vlc_object_t * );
+static subpicture_t *Filter ( filter_t *, mtime_t );
-static subpicture_t *Filter( filter_t *, mtime_t );
+static int MosaicCallback ( vlc_object_t *, char const *, vlc_value_t,
+ vlc_value_t, void * );
/*****************************************************************************
-* filter_sys_t : filter desriptor
-*****************************************************************************/
-
-#include "../video_output/picture.h"
-
+ * filter_sys_t : filter descriptor
+ *****************************************************************************/
struct filter_sys_t
{
+ vlc_mutex_t lock; /* Internal filter lock */
image_handler_t *p_image;
- image_handler_t *p_image2;
- picture_t *p_pic;
-
- int i_pos; /* mosaic positioning method */
- int i_width, i_height; /* mosaic height and width */
- int i_cols, i_rows; /* mosaic rows and cols */
- int i_xoffset, i_yoffset; /* top left corner offset */
- int i_vborder, i_hborder; /* border width/height between miniatures */
- int i_alpha; /* subfilter alpha blending */
-
-};
-/*****************************************************************************
-* Module descriptor
-*****************************************************************************/
-
-#define ALPHA_TEXT N_("Mosaic alpha blending (0 -> 255)")
-#define ALPHA_LONGTEXT N_("Mosaic alpha blending (0 -> 255). default is 255")
-
-#define HEIGHT_TEXT N_("Mosaic height in pixels")
-#define WIDTH_TEXT N_("Mosaic width in pixels")
-#define XOFFSET_TEXT N_("Mosaic top left corner x coordinate")
-#define YOFFSET_TEXT N_("Mosaic top left corner y coordinate")
-#define VBORDER_TEXT N_("Mosaic vertical border width in pixels")
-#define HBORDER_TEXT N_("Mosaic horizontal border width in pixels")
-
-#define POS_TEXT N_("Mosaic positioning method")
-#define ROWS_TEXT N_("Mosaic number of rows")
-#define COLS_TEXT N_("Mosaic number of columns")
-
-static int pi_pos_values[] = { 0, 1 };
-static char * ppsz_pos_descriptions[] =
-{ N_("auto"), N_("fixed") };
+ int i_position; /* Mosaic positioning method */
+ bool b_ar; /* Do we keep the aspect ratio ? */
+ bool b_keep; /* Do we keep the original picture format ? */
+ int i_width, i_height; /* Mosaic height and width */
+ int i_cols, i_rows; /* Mosaic rows and cols */
+ int i_align; /* Mosaic alignment in background video */
+ int i_xoffset, i_yoffset; /* Top left corner offset */
+ int i_borderw, i_borderh; /* Border width/height between miniatures */
+ int i_alpha; /* Subfilter alpha blending */
+ char **ppsz_order; /* List of picture-ids */
+ int i_order_length;
-vlc_module_begin();
- set_description( _("Mosaic video sub filter") );
- set_shortname( N_("Mosaic") );
- set_capability( "sub filter", 0 );
- set_category( CAT_VIDEO );
- set_subcategory( SUBCAT_VIDEO_SUBPIC );
- set_callbacks( CreateFilter, DestroyFilter );
+ int *pi_x_offsets; /* List of substreams x offsets */
+ int *pi_y_offsets; /* List of substreams y offsets */
+ int i_offsets_length;
- add_integer( "mosaic-alpha", 255, NULL, ALPHA_TEXT, ALPHA_LONGTEXT, VLC_FALSE );
- add_integer( "mosaic-height", 100, NULL, HEIGHT_TEXT, HEIGHT_TEXT, VLC_FALSE );
- add_integer( "mosaic-width", 100, NULL, WIDTH_TEXT, WIDTH_TEXT, VLC_FALSE );
- add_integer( "mosaic-xoffset", 0, NULL, XOFFSET_TEXT, XOFFSET_TEXT, VLC_FALSE );
- add_integer( "mosaic-yoffset", 0, NULL, YOFFSET_TEXT, YOFFSET_TEXT, VLC_FALSE );
- add_integer( "mosaic-vborder", 0, NULL, VBORDER_TEXT, VBORDER_TEXT, VLC_FALSE );
- add_integer( "mosaic-hborder", 0, NULL, HBORDER_TEXT, HBORDER_TEXT, VLC_FALSE );
-
- add_integer( "mosaic-position", 0, NULL, POS_TEXT, POS_TEXT, VLC_TRUE );
- change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
- add_integer( "mosaic-rows", 2, NULL, ROWS_TEXT, ROWS_TEXT, VLC_FALSE );
- add_integer( "mosaic-cols", 2, NULL, COLS_TEXT, COLS_TEXT, VLC_FALSE );
-vlc_module_end();
+ mtime_t i_delay;
+};
+/*****************************************************************************
+ * Module descriptor
+ *****************************************************************************/
+#define ALPHA_TEXT N_("Transparency")
+#define ALPHA_LONGTEXT N_( \
+ "Transparency of the mosaic foreground pictures. " \
+ "0 means transparent, 255 opaque (default)." )
+
+#define HEIGHT_TEXT N_("Height")
+#define HEIGHT_LONGTEXT N_( "Total height of the mosaic, in pixels." )
+#define WIDTH_TEXT N_("Width")
+#define WIDTH_LONGTEXT N_( "Total width of the mosaic, in pixels." )
+
+#define XOFFSET_TEXT N_("Top left corner X coordinate")
+#define XOFFSET_LONGTEXT N_( \
+ "X Coordinate of the top-left corner of the mosaic.")
+#define YOFFSET_TEXT N_("Top left corner Y coordinate")
+#define YOFFSET_LONGTEXT N_( \
+ "Y Coordinate of the top-left corner of the mosaic.")
+
+#define BORDERW_TEXT N_("Border width")
+#define BORDERW_LONGTEXT N_( \
+ "Width in pixels of the border between miniatures." )
+#define BORDERH_TEXT N_("Border height")
+#define BORDERH_LONGTEXT N_( \
+ "Height in pixels of the border between miniatures." )
+
+#define ALIGN_TEXT N_("Mosaic alignment" )
+#define ALIGN_LONGTEXT N_( \
+ "You can enforce the mosaic alignment on the video " \
+ "(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
+ "also use combinations of these values, eg 6 = top-right).")
+
+#define POS_TEXT N_("Positioning method")
+#define POS_LONGTEXT N_( \
+ "Positioning method for the mosaic. auto: " \
+ "automatically choose the best number of rows and columns. " \
+ "fixed: use the user-defined number of rows and columns. " \
+ "offsets: use the user-defined offsets for each image." )
+
+#define ROWS_TEXT N_("Number of rows")
+#define ROWS_LONGTEXT N_( \
+ "Number of image rows in the mosaic (only used if " \
+ "positioning method is set to \"fixed\")." )
+
+#define COLS_TEXT N_("Number of columns")
+#define COLS_LONGTEXT N_( \
+ "Number of image columns in the mosaic (only used if " \
+ "positioning method is set to \"fixed\"." )
+
+#define AR_TEXT N_("Keep aspect ratio")
+#define AR_LONGTEXT N_( \
+ "Keep the original aspect ratio when resizing " \
+ "mosaic elements." )
+#define KEEP_TEXT N_("Keep original size")
+#define KEEP_LONGTEXT N_( \
+ "Keep the original size of mosaic elements." )
+
+#define ORDER_TEXT N_("Elements order" )
+#define ORDER_LONGTEXT N_( \
+ "You can enforce the order of the elements on " \
+ "the mosaic. You must give a comma-separated list of picture ID(s)." \
+ "These IDs are assigned in the \"mosaic-bridge\" module." )
+
+#define OFFSETS_TEXT N_("Offsets in order" )
+#define OFFSETS_LONGTEXT N_( \
+ "You can enforce the (x,y) offsets of the elements on the mosaic " \
+ "(only used if positioning method is set to \"offsets\"). You " \
+ "must give a comma-separated list of coordinates (eg: 10,10,150,10)." )
+
+#define DELAY_TEXT N_("Delay")
+#define DELAY_LONGTEXT N_( \
+ "Pictures coming from the mosaic elements will be delayed " \
+ "according to this value (in milliseconds). For high " \
+ "values you will need to raise caching at input.")
+
+enum
+{
+ position_auto = 0, position_fixed = 1, position_offsets = 2
+};
+static const int pi_pos_values[] = { 0, 1, 2 };
+static const char *const ppsz_pos_descriptions[] =
+ { N_("auto"), N_("fixed"), N_("offsets") };
+
+static const int pi_align_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
+static const char *const ppsz_align_descriptions[] =
+ { N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
+ N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
+
+#define CFG_PREFIX "mosaic-"
+
+vlc_module_begin ()
+ set_description( N_("Mosaic video sub source") )
+ set_shortname( N_("Mosaic") )
+ set_category( CAT_VIDEO )
+ set_subcategory( SUBCAT_VIDEO_SUBPIC)
+ set_capability( "sub source", 0 )
+ set_callbacks( CreateFilter, DestroyFilter )
+
+ add_integer_with_range( CFG_PREFIX "alpha", 255, 0, 255,
+ ALPHA_TEXT, ALPHA_LONGTEXT, false )
+
+ add_integer( CFG_PREFIX "height", 100,
+ HEIGHT_TEXT, HEIGHT_LONGTEXT, false )
+ add_integer( CFG_PREFIX "width", 100,
+ WIDTH_TEXT, WIDTH_LONGTEXT, false )
+
+ add_integer( CFG_PREFIX "align", 5,
+ ALIGN_TEXT, ALIGN_LONGTEXT, true)
+ change_integer_list( pi_align_values, ppsz_align_descriptions )
+
+ add_integer( CFG_PREFIX "xoffset", 0,
+ XOFFSET_TEXT, XOFFSET_LONGTEXT, true )
+ add_integer( CFG_PREFIX "yoffset", 0,
+ YOFFSET_TEXT, YOFFSET_LONGTEXT, true )
+
+ add_integer( CFG_PREFIX "borderw", 0,
+ BORDERW_TEXT, BORDERW_LONGTEXT, true )
+ add_integer( CFG_PREFIX "borderh", 0,
+ BORDERH_TEXT, BORDERH_LONGTEXT, true )
+
+ add_integer( CFG_PREFIX "position", 0,
+ POS_TEXT, POS_LONGTEXT, false )
+ change_integer_list( pi_pos_values, ppsz_pos_descriptions )
+ add_integer( CFG_PREFIX "rows", 2,
+ ROWS_TEXT, ROWS_LONGTEXT, false )
+ add_integer( CFG_PREFIX "cols", 2,
+ COLS_TEXT, COLS_LONGTEXT, false )
+
+ add_bool( CFG_PREFIX "keep-aspect-ratio", false,
+ AR_TEXT, AR_LONGTEXT, false )
+ add_bool( CFG_PREFIX "keep-picture", false,
+ KEEP_TEXT, KEEP_LONGTEXT, false )
+
+ add_string( CFG_PREFIX "order", "",
+ ORDER_TEXT, ORDER_LONGTEXT, false )
+
+ add_string( CFG_PREFIX "offsets", "",
+ OFFSETS_TEXT, OFFSETS_LONGTEXT, false )
+
+ add_integer( CFG_PREFIX "delay", 0, DELAY_TEXT, DELAY_LONGTEXT,
+ false )
+vlc_module_end ()
+
+static const char *const ppsz_filter_options[] = {
+ "alpha", "height", "width", "align", "xoffset", "yoffset",
+ "borderw", "borderh", "position", "rows", "cols",
+ "keep-aspect-ratio", "keep-picture", "order", "offsets",
+ "delay", NULL
+};
/*****************************************************************************
-* CreateFiler: allocates mosaic video filter
-*****************************************************************************/
+ * mosaic_ParseSetOffsets:
+ * parse the "--mosaic-offsets x1,y1,x2,y2,x3,y3" parameter
+ * and set the corresponding struct filter_sys_t entries.
+ *****************************************************************************/
+static void mosaic_ParseSetOffsets( vlc_object_t *p_this,
+ filter_sys_t *p_sys,
+ char *psz_offsets )
+{
+ if( *psz_offsets )
+ {
+ char *psz_end = NULL;
+ int i_index = 0;
+ do
+ {
+ i_index++;
+
+ p_sys->pi_x_offsets = xrealloc( p_sys->pi_x_offsets,
+ i_index * sizeof(int) );
+ p_sys->pi_x_offsets[i_index - 1] = atoi( psz_offsets );
+ psz_end = strchr( psz_offsets, ',' );
+ psz_offsets = psz_end + 1;
+
+ p_sys->pi_y_offsets = xrealloc( p_sys->pi_y_offsets,
+ i_index * sizeof(int) );
+ p_sys->pi_y_offsets[i_index - 1] = atoi( psz_offsets );
+ psz_end = strchr( psz_offsets, ',' );
+ psz_offsets = psz_end + 1;
+
+ msg_Dbg( p_this, CFG_PREFIX "offset: id %d, x=%d, y=%d",
+ i_index, p_sys->pi_x_offsets[i_index - 1],
+ p_sys->pi_y_offsets[i_index - 1] );
+
+ } while( psz_end );
+ p_sys->i_offsets_length = i_index;
+ }
+}
+#define mosaic_ParseSetOffsets( a, b, c ) \
+ mosaic_ParseSetOffsets( VLC_OBJECT( a ), b, c )
+/*****************************************************************************
+ * CreateFiler: allocate mosaic video filter
+ *****************************************************************************/
static int CreateFilter( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
+ char *psz_order, *_psz_order;
+ char *psz_offsets;
+ int i_index;
+ int i_command;
/* Allocate structure */
p_sys = p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_sys == NULL )
- {
- msg_Err( p_filter, "out of memory" );
return VLC_ENOMEM;
- }
- p_sys->p_image = image_HandlerCreate( p_filter );
- p_sys->p_image2 = image_HandlerCreate( p_filter );
- p_filter->pf_sub_filter = Filter;
- p_sys->p_pic = NULL;
-
- p_sys->i_width = __MAX( 0, config_GetInt( p_filter, "mosaic-width" ) );
- p_sys->i_height = __MAX( 0, config_GetInt( p_filter, "mosaic-height" ) );
+ p_filter->pf_sub_source = Filter;
+
+ vlc_mutex_init( &p_sys->lock );
+ vlc_mutex_lock( &p_sys->lock );
+
+ config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
+ p_filter->p_cfg );
+
+#define GET_VAR( name, min, max ) \
+ i_command = var_CreateGetIntegerCommand( p_filter, CFG_PREFIX #name ); \
+ p_sys->i_##name = VLC_CLIP( i_command, min, max ); \
+ var_AddCallback( p_filter, CFG_PREFIX #name, MosaicCallback, p_sys );
+
+ GET_VAR( width, 0, INT_MAX );
+ GET_VAR( height, 0, INT_MAX );
+ GET_VAR( xoffset, 0, INT_MAX );
+ GET_VAR( yoffset, 0, INT_MAX );
+
+ GET_VAR( align, 0, 10 );
+ if( p_sys->i_align == 3 || p_sys->i_align == 7 )
+ p_sys->i_align = 5;
+
+ GET_VAR( borderw, 0, INT_MAX );
+ GET_VAR( borderh, 0, INT_MAX );
+ GET_VAR( rows, 1, INT_MAX );
+ GET_VAR( cols, 1, INT_MAX );
+ GET_VAR( alpha, 0, 255 );
+ GET_VAR( position, 0, 2 );
+ GET_VAR( delay, 100, INT_MAX );
+#undef GET_VAR
+ p_sys->i_delay *= 1000;
+
+ p_sys->b_ar = var_CreateGetBoolCommand( p_filter,
+ CFG_PREFIX "keep-aspect-ratio" );
+ var_AddCallback( p_filter, CFG_PREFIX "keep-aspect-ratio", MosaicCallback,
+ p_sys );
+
+ p_sys->b_keep = var_CreateGetBoolCommand( p_filter,
+ CFG_PREFIX "keep-picture" );
+ if ( !p_sys->b_keep )
+ {
+ p_sys->p_image = image_HandlerCreate( p_filter );
+ }
- p_sys->i_xoffset = __MAX( 0, config_GetInt( p_filter, "mosaic-xoffset" ) );
- p_sys->i_yoffset = __MAX( 0, config_GetInt( p_filter, "mosaic-yoffset" ) );
+ p_sys->i_order_length = 0;
+ p_sys->ppsz_order = NULL;
+ psz_order = var_CreateGetStringCommand( p_filter, CFG_PREFIX "order" );
+ _psz_order = psz_order;
+ var_AddCallback( p_filter, CFG_PREFIX "order", MosaicCallback, p_sys );
- p_sys->i_vborder = __MAX( 0, config_GetInt( p_filter, "mosaic-vborder" ) );
- p_sys->i_hborder = __MAX( 0, config_GetInt( p_filter, "mosaic-hborder" ) );
+ if( *psz_order )
+ {
+ char *psz_end = NULL;
+ i_index = 0;
+ do
+ {
+ psz_end = strchr( psz_order, ',' );
+ i_index++;
+ p_sys->ppsz_order = xrealloc( 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;
+ }
- p_sys->i_rows = __MAX( 1, config_GetInt( p_filter, "mosaic-rows") );
- p_sys->i_cols = __MAX( 1, config_GetInt( p_filter, "mosaic-cols") );
+ free( _psz_order );
- p_sys->i_alpha = config_GetInt( p_filter, "mosaic-alpha" );
- p_sys->i_alpha = __MIN( 255, __MAX( 0, p_sys->i_alpha ) );
+ /* Manage specific offsets for substreams */
+ psz_offsets = var_CreateGetStringCommand( p_filter, CFG_PREFIX "offsets" );
+ p_sys->i_offsets_length = 0;
+ p_sys->pi_x_offsets = NULL;
+ p_sys->pi_y_offsets = NULL;
+ mosaic_ParseSetOffsets( p_filter, p_sys, psz_offsets );
+ free( psz_offsets );
+ var_AddCallback( p_filter, CFG_PREFIX "offsets", MosaicCallback, p_sys );
- p_sys->i_pos = config_GetInt( p_filter, "mosaic-position" );
- if( p_sys->i_pos > 1 || p_sys->i_pos < 0 ) p_sys->i_pos = 0;
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
/*****************************************************************************
-* DestroyFilter: destroy mosaic video filter
-*****************************************************************************/
-
+ * DestroyFilter: destroy mosaic video filter
+ *****************************************************************************/
static void DestroyFilter( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t*)p_this;
filter_sys_t *p_sys = p_filter->p_sys;
- image_HandlerDelete( p_sys->p_image );
- image_HandlerDelete( p_sys->p_image2 );
+#define DEL_CB( name ) \
+ var_DelCallback( p_filter, CFG_PREFIX #name, MosaicCallback, p_sys )
+ DEL_CB( width );
+ DEL_CB( height );
+ DEL_CB( xoffset );
+ DEL_CB( yoffset );
+
+ DEL_CB( align );
+
+ DEL_CB( borderw );
+ DEL_CB( borderh );
+ DEL_CB( rows );
+ DEL_CB( cols );
+ DEL_CB( alpha );
+ DEL_CB( position );
+ DEL_CB( delay );
+
+ DEL_CB( keep-aspect-ratio );
+ DEL_CB( order );
+#undef DEL_CB
- if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic );
+ if( !p_sys->b_keep )
+ {
+ image_HandlerDelete( p_sys->p_image );
+ }
+
+ if( p_sys->i_order_length )
+ {
+ for( int i_index = 0; i_index < p_sys->i_order_length; i_index++ )
+ {
+ free( p_sys->ppsz_order[i_index] );
+ }
+ free( p_sys->ppsz_order );
+ }
+ if( p_sys->i_offsets_length )
+ {
+ free( p_sys->pi_x_offsets );
+ free( p_sys->pi_y_offsets );
+ p_sys->i_offsets_length = 0;
+ }
+
+ vlc_mutex_destroy( &p_sys->lock );
free( p_sys );
}
/*****************************************************************************
-* Filter
-*****************************************************************************/
-
+ * Filter
+ *****************************************************************************/
static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
{
-
filter_sys_t *p_sys = p_filter->p_sys;
- subpicture_t *p_spu;
+ bridge_t *p_bridge;
- libvlc_t *p_libvlc = p_filter->p_libvlc;
- vlc_value_t val;
- int i_index;
+ int i_index, i_real_index, i_row, i_col;
+ int i_greatest_real_index_used = p_sys->i_order_length - 1;
+
+ unsigned int col_inner_width, row_inner_height;
subpicture_region_t *p_region;
subpicture_region_t *p_region_prev = NULL;
- struct picture_vout_t *p_picture_vout;
+ /* Allocate the subpicture internal data. */
+ subpicture_t *p_spu = filter_NewSubpicture( p_filter );
+ if( !p_spu )
+ return NULL;
+
+ /* Initialize subpicture */
+ p_spu->i_channel = 0;
+ 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;
+
+ p_spu->i_original_picture_width = p_sys->i_width;
+ p_spu->i_original_picture_height = p_sys->i_height;
- if( var_Get( p_libvlc, "p_picture_vout", &val ) )
+ vlc_mutex_lock( &p_sys->lock );
+ vlc_global_lock( VLC_MOSAIC_MUTEX );
+
+ p_bridge = GetBridge( p_filter );
+ if ( p_bridge == NULL )
{
- return NULL;
+ vlc_global_unlock( VLC_MOSAIC_MUTEX );
+ vlc_mutex_unlock( &p_sys->lock );
+ return p_spu;
}
- /* Allocate the subpicture internal data. */
- p_spu = p_filter->pf_sub_buffer_new( p_filter );
- if( !p_spu )
+ if ( p_sys->i_position == position_offsets )
{
- return NULL;
+ /* 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;
+ }
}
- p_picture_vout = val.p_address;
-
- vlc_mutex_lock( &p_picture_vout->lock );
-
- if( p_sys->i_pos == 0 ) /* use automatic positioning */
+ if ( p_sys->i_position == position_auto )
{
- int i_numpics = 0;
- for( i_index = 0 ;
- i_index < p_picture_vout->i_picture_num ;
- i_index ++ )
+ 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++ )
{
- if( p_picture_vout->p_pic[i_index].i_status
- == PICTURE_VOUT_E_OCCUPIED ) {
+ 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 = ((int)ceil(sqrt( (float)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 );
+ 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 );
}
- for( i_index = 0 ; i_index < p_picture_vout->i_picture_num ; i_index ++ )
+ 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;
- video_format_t fmt_in = {0}, fmt_middle = {0}, fmt_out = {0};
+ memset( &fmt_in, 0, sizeof( video_format_t ) );
+ memset( &fmt_out, 0, sizeof( video_format_t ) );
- picture_t *p_converted, *p_middle;
+ if ( p_es->b_empty )
+ continue;
- if( p_picture_vout->p_pic[i_index].p_picture == NULL )
+ while ( p_es->p_picture != NULL
+ && p_es->p_picture->date + p_sys->i_delay < date )
{
- break;
+ 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_picture_vout->p_pic[i_index].i_status
- == PICTURE_VOUT_E_AVAILABLE )
+ if ( p_es->p_picture == NULL )
+ continue;
+
+ if ( p_sys->i_order_length == 0 )
{
- msg_Dbg( p_filter, "Picture Vout Element is empty");
- break;
+ i_real_index++;
}
-
-
- /* Convert the images */
-/* fprintf (stderr, "Input image %ix%i %4.4s\n",
- p_picture_vout->p_pic[i_index].p_picture->format.i_width,
- p_picture_vout->p_pic[i_index].p_picture->format.i_height,
- (char *)&p_picture_vout->p_pic[i_index].p_picture->format.i_chroma );*/
-
- fmt_in.i_chroma = p_picture_vout->p_pic[i_index].
- p_picture->format.i_chroma;
- fmt_in.i_height = p_picture_vout->p_pic[i_index].
- p_picture->format.i_height;
- fmt_in.i_width = p_picture_vout->p_pic[i_index].
- p_picture->format.i_width;
-
-
- fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
- fmt_out.i_width = fmt_in.i_width *( p_sys->i_width / p_sys->i_cols ) / fmt_in.i_width;
- fmt_out.i_height = fmt_in.i_height*( p_sys->i_height / p_sys->i_rows ) / fmt_in.i_height;
- fmt_out.i_visible_width = fmt_out.i_width;
- fmt_out.i_visible_height = fmt_out.i_height;
-
- fmt_middle.i_chroma = fmt_in.i_chroma;
- fmt_middle.i_visible_width = fmt_middle.i_width = fmt_out.i_width;
- fmt_middle.i_visible_height = fmt_middle.i_height = fmt_out.i_height;
-
- p_middle = image_Convert( p_sys->p_image,
- p_picture_vout->p_pic[i_index].p_picture, &fmt_in, &fmt_middle );
- if( !p_middle )
+ else
{
- vlc_mutex_unlock( &p_picture_vout->lock );
- return NULL;
+ 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 ;
- p_converted = image_Convert( p_sys->p_image2,
- p_middle, &fmt_middle, &fmt_out );
- if( !p_converted )
+ if ( !p_sys->b_keep )
{
- vlc_mutex_unlock( &p_picture_vout->lock );
- return NULL;
+ /* 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;
}
-/* fprintf( stderr, "Converted %ix%i %4.4s\n", p_converted->format.i_width, p_converted->format.i_height, (char *)&p_converted->format.i_chroma);*/
-
+ 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 );
- p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt_out);
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_picture_vout->lock );
+ subpicture_Delete( p_spu );
+ vlc_global_unlock( VLC_MOSAIC_MUTEX );
+ vlc_mutex_unlock( &p_sys->lock );
return NULL;
}
- p_region->i_x = p_sys->i_xoffset + ( i_index % p_sys->i_cols )
- * ( p_sys->i_width / p_sys->i_cols + p_sys->i_vborder );
- p_region->i_y = p_sys->i_yoffset
- + ( ( i_index / p_sys->i_cols ) % p_sys->i_rows )
- * ( p_sys->i_height / p_sys->i_rows + p_sys->i_hborder );
+ 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 ){
+ if( p_region_prev == NULL )
+ {
p_spu->p_region = p_region;
- } else {
+ }
+ else
+ {
p_region_prev->p_next = p_region;
}
p_region_prev = p_region;
+ }
+
+ vlc_global_unlock( VLC_MOSAIC_MUTEX );
+ 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, (int)newval.i_int);
+ p_sys->i_alpha = VLC_CLIP( 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, (int)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, (int)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, (int)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, (int)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 = VLC_CLIP( 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],
+ (int)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, (int)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, (int)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],
+ (int)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, (int)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, (int)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;
- vout_CopyPicture( p_filter, &p_region->picture, p_converted );
+ 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 = xrealloc( 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;
+ }
- p_middle->pf_release( p_middle );
- p_converted->pf_release( p_converted );
+ 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 );
- vlc_mutex_unlock( &p_picture_vout->lock );
+ 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;
+ }
- /* Initialize subpicture */
- p_spu->i_channel = 0;
- p_spu->i_start = date;
- p_spu->i_stop = 0;
- p_spu->b_ephemer = VLC_TRUE;
- p_spu->i_alpha = p_sys->i_alpha;
+ mosaic_ParseSetOffsets( p_this, p_sys, newval.psz_string );
- return p_spu;
+ 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;
}