X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=modules%2Fvideo_filter%2Fmosaic.c;h=379b25ed12f7d62391cf539873068b649e677673;hb=6a66117a34f627ad9560b07cead07663b48f23b6;hp=0d30620509d13953a12680f66e180327c151816d;hpb=75dd79c4f68b646d59c230260544c3121b9c965a;p=vlc diff --git a/modules/video_filter/mosaic.c b/modules/video_filter/mosaic.c index 0d30620509..379b25ed12 100644 --- a/modules/video_filter/mosaic.c +++ b/modules/video_filter/mosaic.c @@ -1,347 +1,934 @@ /***************************************************************************** -* mosaic.c : Mosaic video plugin for vlc -***************************************************************************** -* Copyright (C) 2004-2005 VideoLAN -* $Id: $ -* -* Authors: Antoine Cellerier -* -* 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 the VideoLAN team + * $Id$ + * + * Authors: Antoine Cellerier + * Christophe Massiot + * + * 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /***************************************************************************** -* Preamble -*****************************************************************************/ -#include /* malloc(), free() */ -#include -#include + * Preamble + *****************************************************************************/ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif -#include -#include +#include +#include +#include -#include "vlc_filter.h" -#include "vlc_input.h" +#include +#include /* INT_MAX */ +#include "vlc_filter.h" #include "vlc_image.h" -/***************************************************************************** -* Local prototypes -*****************************************************************************/ +#include "mosaic.h" +#define BLANK_DELAY INT64_C(1000000) + +/***************************************************************************** + * 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 */ + vlc_mutex_t *p_lock; /* Pointer to mosaic bridge lock */ image_handler_t *p_image; - image_handler_t *p_image2; - picture_t *p_pic; - - int i_pos; /* mosaic positioning method */ - int i_ar; /* do we keep aspect ratio ? */ - 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 */ -}; + 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 */ -/***************************************************************************** -* Module descriptor -*****************************************************************************/ + char **ppsz_order; /* List of picture-ids */ + int i_order_length; -#define ALPHA_TEXT N_("Mosaic alpha blending (0 -> 255)") -#define ALPHA_LONGTEXT N_("Mosaic alpha blending (0 -> 255). default is 255") + int *pi_x_offsets; /* List of substreams x offsets */ + int *pi_y_offsets; /* List of substreams y offsets */ + int i_offsets_length; -#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") + mtime_t i_delay; +}; -#define POS_TEXT N_("Mosaic positioning method") -#define ROWS_TEXT N_("Mosaic number of rows") -#define COLS_TEXT N_("Mosaic number of columns") -#define AR_TEXT N_("Keep aspect ratio when resizing") +/***************************************************************************** + * 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 " \ + "positionning 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 " \ + "positionning 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 int pi_pos_values[] = { 0, 1 }; -static char * ppsz_pos_descriptions[] = -{ N_("auto"), N_("fixed") }; +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( _("Mosaic video sub filter") ); + set_description( N_("Mosaic video sub filter") ); set_shortname( N_("Mosaic") ); - set_capability( "sub filter", 0 ); set_category( CAT_VIDEO ); - set_subcategory( SUBCAT_VIDEO_SUBPIC ); + set_subcategory( SUBCAT_VIDEO_SUBPIC); + set_capability( "sub filter", 0 ); set_callbacks( CreateFilter, DestroyFilter ); - 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_with_range( CFG_PREFIX "alpha", 255, 0, 255, NULL, + ALPHA_TEXT, ALPHA_LONGTEXT, false ); + + add_integer( CFG_PREFIX "height", 100, NULL, + HEIGHT_TEXT, HEIGHT_LONGTEXT, false ); + add_integer( CFG_PREFIX "width", 100, NULL, + WIDTH_TEXT, WIDTH_LONGTEXT, false ); + + add_integer( CFG_PREFIX "align", 5, NULL, + ALIGN_TEXT, ALIGN_LONGTEXT, true); + change_integer_list( pi_align_values, ppsz_align_descriptions, 0 ); + + add_integer( CFG_PREFIX "xoffset", 0, NULL, + XOFFSET_TEXT, XOFFSET_LONGTEXT, true ); + add_integer( CFG_PREFIX "yoffset", 0, NULL, + YOFFSET_TEXT, YOFFSET_LONGTEXT, true ); + + add_integer( CFG_PREFIX "borderw", 0, NULL, + BORDERW_TEXT, BORDERW_LONGTEXT, true ); + add_deprecated_alias( CFG_PREFIX "vborder" ); + add_integer( CFG_PREFIX "borderh", 0, NULL, + BORDERH_TEXT, BORDERH_LONGTEXT, true ); + add_deprecated_alias( CFG_PREFIX "hborder" ); - add_integer( "mosaic-position", 0, NULL, POS_TEXT, POS_TEXT, VLC_TRUE ); + add_integer( CFG_PREFIX "position", 0, NULL, + POS_TEXT, POS_LONGTEXT, false ); 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 ); - add_bool( "mosaic-keep-aspect-ratio", 0, NULL, AR_TEXT, AR_TEXT, VLC_FALSE ); + add_integer( CFG_PREFIX "rows", 2, NULL, + ROWS_TEXT, ROWS_LONGTEXT, false ); + add_integer( CFG_PREFIX "cols", 2, NULL, + COLS_TEXT, COLS_LONGTEXT, false ); + + add_bool( CFG_PREFIX "keep-aspect-ratio", 0, NULL, + AR_TEXT, AR_LONGTEXT, false ); + add_bool( CFG_PREFIX "keep-picture", 0, NULL, + KEEP_TEXT, KEEP_LONGTEXT, false ); + + add_string( CFG_PREFIX "order", "", NULL, + ORDER_TEXT, ORDER_LONGTEXT, false ); + + add_string( CFG_PREFIX "offsets", "", NULL, + OFFSETS_TEXT, OFFSETS_LONGTEXT, false ); + + add_integer( CFG_PREFIX "delay", 0, NULL, 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. + *****************************************************************************/ +#define mosaic_ParseSetOffsets( a, b, c ) \ + __mosaic_ParseSetOffsets( VLC_OBJECT( a ), b, c ) +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 = + realloc( 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 = + realloc( 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; + } +} +/***************************************************************************** + * 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; + vlc_object_t *p_libvlc = VLC_OBJECT( p_filter->p_libvlc ); + char *psz_order, *_psz_order; + char *psz_offsets; + int i_index; + vlc_value_t val; + + /* The mosaic thread is more important than the decoder threads */ + vlc_thread_set_priority( p_this, VLC_THREAD_PRIORITY_OUTPUT ); /* 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_sys->i_xoffset = __MAX( 0, config_GetInt( p_filter, "mosaic-xoffset" ) ); - p_sys->i_yoffset = __MAX( 0, config_GetInt( p_filter, "mosaic-yoffset" ) ); + vlc_mutex_init( &p_sys->lock ); + vlc_mutex_lock( &p_sys->lock ); + + var_Create( p_libvlc, "mosaic-lock", VLC_VAR_MUTEX ); + var_Get( p_libvlc, "mosaic-lock", &val ); + p_sys->p_lock = val.p_address; + + config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options, + p_filter->p_cfg ); + +#define GET_VAR( name, min, max ) \ + p_sys->i_##name = __MIN( max, __MAX( min, \ + var_CreateGetIntegerCommand( p_filter, CFG_PREFIX #name ) ) ); \ + 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 ); + 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_vborder = __MAX( 0, config_GetInt( p_filter, "mosaic-vborder" ) ); - p_sys->i_hborder = __MAX( 0, config_GetInt( p_filter, "mosaic-hborder" ) ); + 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_rows = __MAX( 1, config_GetInt( p_filter, "mosaic-rows") ); - p_sys->i_cols = __MAX( 1, config_GetInt( p_filter, "mosaic-cols") ); + 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; + } - p_sys->i_alpha = config_GetInt( p_filter, "mosaic-alpha" ); - p_sys->i_alpha = __MIN( 255, __MAX( 0, p_sys->i_alpha ) ); + free( _psz_order ); - 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; + /* 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_ar = config_GetInt( p_filter, "mosaic-keep-aspect-ratio" ); + 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; + int i_index; + + vlc_mutex_lock( &p_sys->lock ); - image_HandlerDelete( p_sys->p_image ); - image_HandlerDelete( p_sys->p_image2 ); + if( !p_sys->b_keep ) + { + image_HandlerDelete( p_sys->p_image ); + } - if( p_sys->p_pic ) p_sys->p_pic->pf_release( p_sys->p_pic ); + if( p_sys->i_order_length ) + { + for( 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_unlock( &p_sys->lock ); + vlc_mutex_destroy( &p_sys->lock ); free( p_sys ); } /***************************************************************************** -* Filter -*****************************************************************************/ + * MosaicReleasePicture : Hack to avoid picture duplication + *****************************************************************************/ +static void MosaicReleasePicture( picture_t *p_picture ) +{ + picture_t *p_original_pic = (picture_t *)p_picture->p_sys; + picture_Release( p_original_pic ); +} + +/***************************************************************************** + * Filter + *****************************************************************************/ static subpicture_t *Filter( filter_t *p_filter, mtime_t date ) { - filter_sys_t *p_sys = p_filter->p_sys; + bridge_t *p_bridge; + subpicture_t *p_spu; - 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. */ + 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->i_flags = p_sys->i_align; + p_spu->b_absolute = false; + + vlc_mutex_lock( &p_sys->lock ); + vlc_mutex_lock( p_sys->p_lock ); - if( var_Get( p_libvlc, "p_picture_vout", &val ) ) + p_bridge = GetBridge( p_filter ); + if ( p_bridge == NULL ) { - return NULL; + vlc_mutex_unlock( p_sys->p_lock ); + 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 != 0 ) + { + /* 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; - if( p_sys->i_ar ) /* keep aspect ratio */ + else { - if( (float)fmt_out.i_width/(float)fmt_out.i_height - > (float)fmt_in.i_width/(float)fmt_in.i_height ) + int i; + for ( i = 0; i <= p_sys->i_order_length; i++ ) { - 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 ; + 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 ; - fmt_out.i_visible_width = fmt_out.i_width; - fmt_out.i_visible_height = fmt_out.i_height; + 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; - 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; + fmt_out.i_chroma = VLC_FOURCC('I','4','2','0'); + fmt_out.i_width = col_inner_width; + fmt_out.i_height = row_inner_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 ) - { - vlc_mutex_unlock( &p_picture_vout->lock ); - return NULL; + 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; + } } - - p_converted = image_Convert( p_sys->p_image2, - p_middle, &fmt_middle, &fmt_out ); - if( !p_converted ) + else { - vlc_mutex_unlock( &p_picture_vout->lock ); - return NULL; + p_converted = p_es->p_picture; + picture_Yield( p_converted ); + 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 = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt_out); + p_region = p_spu->pf_make_region( VLC_OBJECT(p_filter), &fmt_out, + 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_picture_vout->lock ); - return NULL; + vlc_mutex_unlock( &p_sys->lock ); + vlc_mutex_unlock( p_sys->p_lock ); + return p_spu; } - 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 ); + /* HACK ALERT: let's fix the pointers to avoid picture duplication. + * This is necessary because p_region->picture is not a pointer + * as it ought to be. */ + if( !p_sys->b_keep ) + { + free( p_converted ); + } + else + { + /* Keep a pointer to the original picture (and its refcount...). */ + p_region->picture.p_sys = (picture_sys_t *)p_converted; + p_region->picture.pf_release = MosaicReleasePicture; + } + 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( p_region_prev == NULL ){ + 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 { + } + else + { p_region_prev->p_next = p_region; } p_region_prev = p_region; + } - vout_CopyPicture( p_filter, &p_region->picture, p_converted ); + vlc_mutex_unlock( p_sys->p_lock ); + vlc_mutex_unlock( &p_sys->lock ); + + return p_spu; +} - p_middle->pf_release( p_middle ); - p_converted->pf_release( p_converted ); +/***************************************************************************** +* 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 ); - vlc_mutex_unlock( &p_picture_vout->lock ); + psz_order = newval.psz_string; - /* 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; + 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; - return p_spu; + 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; }