mirror of
https://code.videolan.org/videolan/vlc
synced 2024-09-04 09:11:33 +02:00
956 lines
34 KiB
C
956 lines
34 KiB
C
/*****************************************************************************
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* logo.c : logo video plugin for vlc
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*****************************************************************************
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* Copyright (C) 2003-2006 the VideoLAN team
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* $Id$
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*
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* Authors: Gildas Bazin <gbazin@videolan.org>
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* Simon Latapie <garf@videolan.org>
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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/vlc.h>
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#include <vlc_plugin.h>
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#include <vlc_vout.h>
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#include "vlc_filter.h"
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#include "filter_common.h"
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#include "vlc_image.h"
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#include "vlc_osd.h"
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#ifdef LoadImage
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# undef LoadImage
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#endif
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static int Create ( vlc_object_t * );
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static void Destroy ( vlc_object_t * );
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static int Init ( vout_thread_t * );
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static void End ( vout_thread_t * );
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static void Render ( vout_thread_t *, picture_t * );
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static int SendEvents( vlc_object_t *, char const *,
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vlc_value_t, vlc_value_t, void * );
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static int MouseEvent( vlc_object_t *, char const *,
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vlc_value_t , vlc_value_t , void * );
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static int Control ( vout_thread_t *, int, va_list );
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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 int LogoCallback( vlc_object_t *, char const *,
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vlc_value_t, vlc_value_t, void * );
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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#define FILE_TEXT N_("Logo filenames")
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#define FILE_LONGTEXT N_("Full path of the image files to use. Format is " \
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"<image>[,<delay in ms>[,<alpha>]][;<image>[,<delay>[,<alpha>]]][;...]. " \
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"If you only have one file, simply enter its filename.")
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#define REPEAT_TEXT N_("Logo animation # of loops")
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#define REPEAT_LONGTEXT N_("Number of loops for the logo animation." \
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"-1 = continuous, 0 = disabled")
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#define DELAY_TEXT N_("Logo individual image time in ms")
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#define DELAY_LONGTEXT N_("Individual image display time of 0 - 60000 ms.")
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#define POSX_TEXT N_("X coordinate")
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#define POSX_LONGTEXT N_("X coordinate of the logo. You can move the logo " \
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"by left-clicking it." )
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#define POSY_TEXT N_("Y coordinate")
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#define POSY_LONGTEXT N_("Y coordinate of the logo. You can move the logo " \
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"by left-clicking it." )
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#define TRANS_TEXT N_("Transparency of the logo")
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#define TRANS_LONGTEXT N_("Logo transparency value " \
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"(from 0 for full transparency to 255 for full opacity)." )
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#define POS_TEXT N_("Logo position")
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#define POS_LONGTEXT N_( \
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"Enforce the logo position 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 CFG_PREFIX "logo-"
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static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
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static const char *ppsz_pos_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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vlc_module_begin();
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set_description( _("Logo video filter") );
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set_capability( "video filter", 0 );
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set_shortname( _("Logo overlay") );
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set_category( CAT_VIDEO );
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set_subcategory( SUBCAT_VIDEO_SUBPIC );
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add_shortcut( "logo" );
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set_callbacks( Create, Destroy );
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add_file( CFG_PREFIX "file", NULL, NULL, FILE_TEXT, FILE_LONGTEXT, false );
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add_integer( CFG_PREFIX "x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, true );
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add_integer( CFG_PREFIX "y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, true );
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/* default to 1000 ms per image, continuously cycle through them */
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add_integer( CFG_PREFIX "delay", 1000, NULL, DELAY_TEXT, DELAY_LONGTEXT, true );
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add_integer( CFG_PREFIX "repeat", -1, NULL, REPEAT_TEXT, REPEAT_LONGTEXT, true );
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add_integer_with_range( CFG_PREFIX "transparency", 255, 0, 255, NULL,
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TRANS_TEXT, TRANS_LONGTEXT, false );
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add_integer( CFG_PREFIX "position", -1, NULL, POS_TEXT, POS_LONGTEXT, false );
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change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
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/* subpicture filter submodule */
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add_submodule();
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set_capability( "sub filter", 0 );
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set_callbacks( CreateFilter, DestroyFilter );
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set_description( _("Logo sub filter") );
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vlc_module_end();
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static const char *ppsz_filter_options[] = {
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"file", "x", "y", "delay", "repeat", "transparency", "position", NULL
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};
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/*****************************************************************************
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* Structure to hold the set of individual logo image names, times,
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* transparencies
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****************************************************************************/
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typedef struct
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{
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char *psz_file; /* candidate for deletion -- not needed */
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int i_delay; /* -1 means use default delay */
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int i_alpha; /* -1 means use default alpha */
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picture_t *p_pic;
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} logo_t;
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/*****************************************************************************
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* Logo list structure. Common to both the vout and sub picture filter
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****************************************************************************/
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typedef struct
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{
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logo_t *p_logo; /* the parsing's result */
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unsigned int i_count; /* the number of logo images to be displayed */
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int i_repeat; /* how often to repeat the images, image time in ms */
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mtime_t i_next_pic; /* when to bring up a new logo image */
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unsigned int i_counter; /* index into the list of logo images */
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int i_delay; /* default delay (0 - 60000 ms) */
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int i_alpha; /* default alpha */
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char *psz_filename; /* --logo-file string ( is it really useful
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* to store it ? ) */
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vlc_mutex_t lock;
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} logo_list_t;
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/*****************************************************************************
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* LoadImage: loads the logo image into memory
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*****************************************************************************/
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static picture_t *LoadImage( vlc_object_t *p_this, char *psz_filename )
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{
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picture_t *p_pic;
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image_handler_t *p_image;
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video_format_t fmt_in;
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video_format_t fmt_out;
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memset( &fmt_in, 0, sizeof(video_format_t) );
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memset( &fmt_out, 0, sizeof(video_format_t) );
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fmt_out.i_chroma = VLC_FOURCC('Y','U','V','A');
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p_image = image_HandlerCreate( p_this );
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p_pic = image_ReadUrl( p_image, psz_filename, &fmt_in, &fmt_out );
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image_HandlerDelete( p_image );
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return p_pic;
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}
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/*****************************************************************************
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* LoadLogoList: loads the logo images into memory
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*****************************************************************************
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* Read the logo-file input switch, obtaining a list of images and associated
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* durations and transparencies. Store the image(s), and times. An image
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* without a stated time or transparency will use the logo-delay and
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* logo-transparency values.
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*****************************************************************************/
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#define LoadLogoList( a, b ) __LoadLogoList( VLC_OBJECT( a ), b )
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static void __LoadLogoList( vlc_object_t *p_this, logo_list_t *p_logo_list )
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{
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char *psz_list; /* the list: <logo>[,[<delay>[,[<alpha>]]]][;...] */
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unsigned int i;
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logo_t *p_logo; /* the parsing's result */
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p_logo_list->i_counter = 0;
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p_logo_list->i_next_pic = 0;
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psz_list = strdup( p_logo_list->psz_filename );
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/* Count the number logos == number of ';' + 1 */
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p_logo_list->i_count = 1;
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for( i = 0; i < strlen( psz_list ); i++ )
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{
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if( psz_list[i] == ';' ) p_logo_list->i_count++;
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}
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p_logo_list->p_logo = p_logo =
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(logo_t *)malloc( p_logo_list->i_count * sizeof(logo_t) );
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/* Fill the data */
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for( i = 0; i < p_logo_list->i_count; i++ )
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{
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char *p_c;
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char *p_c2;
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p_c = strchr( psz_list, ';' );
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p_c2 = strchr( psz_list, ',' );
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p_logo[i].i_alpha = -1; /* use default settings */
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p_logo[i].i_delay = -1; /* use default settings */
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if( p_c2 && ( p_c2 < p_c || !p_c ) )
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{
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/* <logo>,<delay>[,<alpha>] type */
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if( p_c2[1] != ',' && p_c2[1] != ';' && p_c2[1] != '\0' )
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p_logo[i].i_delay = atoi( p_c2+1 );
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*p_c2 = '\0';
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if( ( p_c2 = strchr( p_c2+1, ',' ) )
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&& ( p_c2 < p_c || !p_c ) && p_c2[1] != ';' && p_c2[1] != '\0' )
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p_logo[i].i_alpha = atoi( p_c2 + 1 );
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}
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else
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{
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/* <logo> type */
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if( p_c ) *p_c = '\0';
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}
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p_logo[i].psz_file = strdup( psz_list );
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p_logo[i].p_pic = LoadImage( p_this, p_logo[i].psz_file );
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if( !p_logo[i].p_pic )
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{
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msg_Warn( p_this, "error while loading logo %s, will be skipped",
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p_logo[i].psz_file );
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}
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if( p_c ) psz_list = p_c + 1;
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}
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for( i = 0; i < p_logo_list->i_count; i++ )
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{
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msg_Dbg( p_this, "logo file name %s, delay %d, alpha %d",
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p_logo[i].psz_file, p_logo[i].i_delay, p_logo[i].i_alpha );
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}
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/* initialize so that on the first update it will wrap back to 0 */
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p_logo_list->i_counter = p_logo_list->i_count;
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}
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/*****************************************************************************
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* FreeLogoList
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*****************************************************************************/
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static void FreeLogoList( logo_list_t *p_logo_list )
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{
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unsigned int i;
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FREENULL( p_logo_list->psz_filename );
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for( i = 0; i < p_logo_list->i_count; i++ )
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{
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logo_t *p_logo = &p_logo_list->p_logo[i];
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FREENULL( p_logo->psz_file );
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if( p_logo->p_pic )
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{
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p_logo->p_pic->pf_release( p_logo->p_pic );
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p_logo->p_pic = NULL;
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}
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}
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}
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/*****************************************************************************
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* vout_sys_t: logo video output method descriptor
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*****************************************************************************
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* This structure is part of the video output thread descriptor.
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* It describes the Invert specific properties of an output thread.
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*****************************************************************************/
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struct vout_sys_t
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{
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logo_list_t *p_logo_list;
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vout_thread_t *p_vout;
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filter_t *p_blend;
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int i_width, i_height;
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int pos, posx, posy;
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};
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/*****************************************************************************
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* Create: allocates logo video thread output method
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*****************************************************************************/
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static int Create( vlc_object_t *p_this )
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{
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vout_thread_t *p_vout = (vout_thread_t *)p_this;
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vout_sys_t *p_sys;
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logo_list_t *p_logo_list;
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/* Allocate structure */
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p_sys = p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
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if( p_sys == NULL )
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{
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msg_Err( p_vout, "out of memory" );
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return VLC_ENOMEM;
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}
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p_logo_list = p_sys->p_logo_list = malloc( sizeof( logo_list_t ) );
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if( p_logo_list == NULL )
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{
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msg_Err( p_vout, "out of memory" );
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free( p_sys );
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return VLC_ENOMEM;
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}
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config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
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p_vout->p_cfg );
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p_logo_list->psz_filename = var_CreateGetStringCommand( p_vout,
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"logo-file" );
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if( !p_logo_list->psz_filename || !*p_logo_list->psz_filename )
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{
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msg_Err( p_vout, "logo file not specified" );
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return VLC_EGENERIC;
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}
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p_vout->pf_init = Init;
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p_vout->pf_end = End;
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p_vout->pf_manage = NULL;
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p_vout->pf_render = Render;
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p_vout->pf_display = NULL;
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p_vout->pf_control = Control;
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p_sys->pos = var_CreateGetIntegerCommand( p_vout, "logo-position" );
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p_sys->posx = var_CreateGetIntegerCommand( p_vout, "logo-x" );
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p_sys->posy = var_CreateGetIntegerCommand( p_vout, "logo-y" );
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p_logo_list->i_delay = __MAX( __MIN(
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var_CreateGetIntegerCommand( p_vout, "logo-delay" ) , 60000 ), 0 );
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p_logo_list->i_repeat = var_CreateGetIntegerCommand( p_vout, "logo-repeat");
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p_logo_list->i_alpha = __MAX( __MIN(
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var_CreateGetIntegerCommand( p_vout, "logo-transparency" ), 255 ), 0 );
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LoadLogoList( p_vout, p_logo_list );
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Init: initialize logo video thread output method
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*****************************************************************************/
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static int Init( vout_thread_t *p_vout )
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{
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vout_sys_t *p_sys = p_vout->p_sys;
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picture_t *p_pic;
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int i_index;
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video_format_t fmt;
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logo_list_t *p_logo_list = p_sys->p_logo_list;
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I_OUTPUTPICTURES = 0;
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memset( &fmt, 0, sizeof(video_format_t) );
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/* adjust index to the next logo */
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p_logo_list->i_counter =
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( p_logo_list->i_counter + 1 )%p_logo_list->i_count;
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p_pic = p_logo_list->p_logo[p_logo_list->i_counter].p_pic;
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/* Initialize the output structure */
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p_vout->output.i_chroma = p_vout->render.i_chroma;
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p_vout->output.i_width = p_vout->render.i_width;
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p_vout->output.i_height = p_vout->render.i_height;
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p_vout->output.i_aspect = p_vout->render.i_aspect;
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p_vout->fmt_out = p_vout->fmt_in;
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fmt = p_vout->fmt_out;
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/* Load the video blending filter */
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p_sys->p_blend = vlc_object_create( p_vout, sizeof(filter_t) );
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vlc_object_attach( p_sys->p_blend, p_vout );
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p_sys->p_blend->fmt_out.video.i_x_offset =
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p_sys->p_blend->fmt_out.video.i_y_offset = 0;
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p_sys->p_blend->fmt_in.video.i_x_offset =
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p_sys->p_blend->fmt_in.video.i_y_offset = 0;
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p_sys->p_blend->fmt_out.video.i_aspect = p_vout->render.i_aspect;
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p_sys->p_blend->fmt_out.video.i_chroma = p_vout->output.i_chroma;
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p_sys->p_blend->fmt_in.video.i_chroma = VLC_FOURCC('Y','U','V','A');
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p_sys->p_blend->fmt_in.video.i_aspect = VOUT_ASPECT_FACTOR;
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p_sys->i_width =
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p_sys->p_blend->fmt_in.video.i_width =
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p_sys->p_blend->fmt_in.video.i_visible_width =
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p_pic ? p_pic->p[Y_PLANE].i_visible_pitch : 0;
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p_sys->i_height =
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p_sys->p_blend->fmt_in.video.i_height =
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p_sys->p_blend->fmt_in.video.i_visible_height =
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p_pic ? p_pic->p[Y_PLANE].i_visible_lines : 0;
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p_sys->p_blend->fmt_out.video.i_width =
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p_sys->p_blend->fmt_out.video.i_visible_width =
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p_vout->output.i_width;
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p_sys->p_blend->fmt_out.video.i_height =
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p_sys->p_blend->fmt_out.video.i_visible_height =
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p_vout->output.i_height;
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p_sys->p_blend->p_module =
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module_Need( p_sys->p_blend, "video blending", 0, 0 );
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if( !p_sys->p_blend->p_module )
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{
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msg_Err( p_vout, "can't open blending filter, aborting" );
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vlc_object_detach( p_sys->p_blend );
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vlc_object_release( p_sys->p_blend );
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return VLC_EGENERIC;
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}
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if( p_sys->posx < 0 || p_sys->posy < 0 )
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{
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p_sys->posx = 0; p_sys->posy = 0;
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if( p_sys->pos & SUBPICTURE_ALIGN_BOTTOM )
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{
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p_sys->posy = p_vout->render.i_height - p_sys->i_height;
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}
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else if ( !(p_sys->pos & SUBPICTURE_ALIGN_TOP) )
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{
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p_sys->posy = p_vout->render.i_height / 2 - p_sys->i_height / 2;
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}
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if( p_sys->pos & SUBPICTURE_ALIGN_RIGHT )
|
|
{
|
|
p_sys->posx = p_vout->render.i_width - p_sys->i_width;
|
|
}
|
|
else if ( !(p_sys->pos & SUBPICTURE_ALIGN_LEFT) )
|
|
{
|
|
p_sys->posx = p_vout->render.i_width / 2 - p_sys->i_width / 2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
p_sys->pos = 0;
|
|
}
|
|
|
|
/* Try to open the real video output */
|
|
msg_Dbg( p_vout, "spawning the real video output" );
|
|
|
|
p_sys->p_vout = vout_Create( p_vout, &fmt );
|
|
|
|
/* Everything failed */
|
|
if( p_sys->p_vout == NULL )
|
|
{
|
|
msg_Err( p_vout, "can't open vout, aborting" );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
var_AddCallback( p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
|
|
var_AddCallback( p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
|
|
|
|
ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
|
|
ADD_CALLBACKS( p_sys->p_vout, SendEvents );
|
|
ADD_PARENT_CALLBACKS( SendEventsToChild );
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* End: terminate logo video thread output method
|
|
*****************************************************************************/
|
|
static void End( vout_thread_t *p_vout )
|
|
{
|
|
vout_sys_t *p_sys = p_vout->p_sys;
|
|
int i_index;
|
|
|
|
/* Free the fake output buffers we allocated */
|
|
for( i_index = I_OUTPUTPICTURES ; i_index ; )
|
|
{
|
|
i_index--;
|
|
free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
|
|
}
|
|
|
|
var_DelCallback( p_sys->p_vout, "mouse-x", MouseEvent, p_vout);
|
|
var_DelCallback( p_sys->p_vout, "mouse-y", MouseEvent, p_vout);
|
|
|
|
if( p_sys->p_vout )
|
|
{
|
|
DEL_CALLBACKS( p_sys->p_vout, SendEvents );
|
|
vlc_object_detach( p_sys->p_vout );
|
|
vout_Destroy( p_sys->p_vout );
|
|
}
|
|
|
|
if( p_sys->p_blend->p_module )
|
|
module_Unneed( p_sys->p_blend, p_sys->p_blend->p_module );
|
|
vlc_object_detach( p_sys->p_blend );
|
|
vlc_object_release( p_sys->p_blend );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Destroy: destroy logo video thread output method
|
|
*****************************************************************************/
|
|
static void Destroy( vlc_object_t *p_this )
|
|
{
|
|
vout_thread_t *p_vout = (vout_thread_t *)p_this;
|
|
vout_sys_t *p_sys = p_vout->p_sys;
|
|
|
|
DEL_PARENT_CALLBACKS( SendEventsToChild );
|
|
|
|
FreeLogoList( p_sys->p_logo_list );
|
|
free( p_sys->p_logo_list );
|
|
|
|
free( p_sys );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Render: render the logo onto the video
|
|
*****************************************************************************/
|
|
static void Render( vout_thread_t *p_vout, picture_t *p_inpic )
|
|
{
|
|
vout_sys_t *p_sys = p_vout->p_sys;
|
|
picture_t *p_outpic;
|
|
picture_t *p_pic;
|
|
logo_list_t *p_logo_list;
|
|
logo_t * p_logo;
|
|
|
|
p_logo_list = p_sys->p_logo_list;
|
|
|
|
if( p_logo_list->i_next_pic < p_inpic->date )
|
|
{
|
|
/* It's time to use a new logo */
|
|
p_logo_list->i_counter =
|
|
( p_logo_list->i_counter + 1 )%p_logo_list->i_count;
|
|
p_logo = &p_logo_list->p_logo[p_sys->p_logo_list->i_counter];
|
|
p_pic = p_logo->p_pic;
|
|
p_logo_list->i_next_pic = p_inpic->date + ( p_logo->i_delay != -1 ?
|
|
p_logo->i_delay : p_logo_list->i_delay ) * 1000;
|
|
if( p_pic )
|
|
{
|
|
|
|
p_sys->i_width =
|
|
p_sys->p_blend->fmt_in.video.i_width =
|
|
p_sys->p_blend->fmt_in.video.i_visible_width =
|
|
p_pic->p[Y_PLANE].i_visible_pitch;
|
|
p_sys->i_height =
|
|
p_sys->p_blend->fmt_in.video.i_height =
|
|
p_sys->p_blend->fmt_in.video.i_visible_height =
|
|
p_pic->p[Y_PLANE].i_visible_lines;
|
|
|
|
if( p_sys->pos )
|
|
{
|
|
if( p_sys->pos & SUBPICTURE_ALIGN_BOTTOM )
|
|
{
|
|
p_sys->posy = p_vout->render.i_height - p_sys->i_height;
|
|
}
|
|
else if ( !(p_sys->pos & SUBPICTURE_ALIGN_TOP) )
|
|
{
|
|
p_sys->posy = p_vout->render.i_height/2 - p_sys->i_height/2;
|
|
}
|
|
if( p_sys->pos & SUBPICTURE_ALIGN_RIGHT )
|
|
{
|
|
p_sys->posx = p_vout->render.i_width - p_sys->i_width;
|
|
}
|
|
else if ( !(p_sys->pos & SUBPICTURE_ALIGN_LEFT) )
|
|
{
|
|
p_sys->posx = p_vout->render.i_width/2 - p_sys->i_width/2;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
p_logo = &p_logo_list->p_logo[p_sys->p_logo_list->i_counter];
|
|
p_pic = p_logo->p_pic;
|
|
}
|
|
|
|
/* This is a new frame. Get a structure from the video_output. */
|
|
while( !(p_outpic = vout_CreatePicture( p_sys->p_vout, 0, 0, 0 )) )
|
|
{
|
|
if( p_vout->b_die || p_vout->b_error ) return;
|
|
msleep( VOUT_OUTMEM_SLEEP );
|
|
}
|
|
|
|
vout_CopyPicture( p_vout, p_outpic, p_inpic );
|
|
vout_DatePicture( p_sys->p_vout, p_outpic, p_inpic->date );
|
|
|
|
if( p_pic )
|
|
p_sys->p_blend->pf_video_blend( p_sys->p_blend, p_outpic, p_outpic,
|
|
p_pic, p_sys->posx, p_sys->posy,
|
|
p_logo->i_alpha != -1 ? p_logo->i_alpha
|
|
: p_logo_list->i_alpha );
|
|
|
|
vout_DisplayPicture( p_sys->p_vout, p_outpic );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* SendEvents: forward mouse and keyboard events to the parent p_vout
|
|
*****************************************************************************/
|
|
static int SendEvents( vlc_object_t *p_this, char const *psz_var,
|
|
vlc_value_t oldval, vlc_value_t newval, void *p_data )
|
|
{
|
|
VLC_UNUSED(p_this); VLC_UNUSED(oldval);
|
|
var_Set( (vlc_object_t *)p_data, psz_var, newval );
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* MouseEvent: callback for mouse events
|
|
*****************************************************************************/
|
|
static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
|
|
vlc_value_t oldval, vlc_value_t newval, void *p_data )
|
|
{
|
|
VLC_UNUSED(p_this); VLC_UNUSED(oldval);
|
|
vout_thread_t *p_vout = (vout_thread_t*)p_data;
|
|
vout_sys_t *p_sys = p_vout->p_sys;
|
|
vlc_value_t valb;
|
|
int i_delta;
|
|
|
|
var_Get( p_vout->p_sys->p_vout, "mouse-button-down", &valb );
|
|
|
|
i_delta = newval.i_int - oldval.i_int;
|
|
|
|
if( (valb.i_int & 0x1) == 0 )
|
|
{
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
if( psz_var[6] == 'x' )
|
|
{
|
|
vlc_value_t valy;
|
|
var_Get( p_vout->p_sys->p_vout, "mouse-y", &valy );
|
|
if( newval.i_int >= (int)p_sys->posx &&
|
|
valy.i_int >= (int)p_sys->posy &&
|
|
newval.i_int <= (int)(p_sys->posx + p_sys->i_width) &&
|
|
valy.i_int <= (int)(p_sys->posy + p_sys->i_height) )
|
|
{
|
|
p_sys->posx = __MIN( __MAX( p_sys->posx + i_delta, 0 ),
|
|
p_vout->output.i_width - p_sys->i_width );
|
|
}
|
|
}
|
|
else if( psz_var[6] == 'y' )
|
|
{
|
|
vlc_value_t valx;
|
|
var_Get( p_vout->p_sys->p_vout, "mouse-x", &valx );
|
|
if( valx.i_int >= (int)p_sys->posx &&
|
|
newval.i_int >= (int)p_sys->posy &&
|
|
valx.i_int <= (int)(p_sys->posx + p_sys->i_width) &&
|
|
newval.i_int <= (int)(p_sys->posy + p_sys->i_height) )
|
|
{
|
|
p_sys->posy = __MIN( __MAX( p_sys->posy + i_delta, 0 ),
|
|
p_vout->output.i_height - p_sys->i_height );
|
|
}
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Control: control facility for the vout (forwards to child vout)
|
|
*****************************************************************************/
|
|
static int Control( vout_thread_t *p_vout, int i_query, va_list args )
|
|
{
|
|
return vout_vaControl( p_vout->p_sys->p_vout, i_query, args );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* SendEventsToChild: forward events to the child/children vout
|
|
*****************************************************************************/
|
|
static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var,
|
|
vlc_value_t oldval, vlc_value_t newval, void *p_data )
|
|
{
|
|
VLC_UNUSED(p_data); VLC_UNUSED(oldval);
|
|
vout_thread_t *p_vout = (vout_thread_t *)p_this;
|
|
var_Set( p_vout->p_sys->p_vout, psz_var, newval );
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* filter_sys_t: logo filter descriptor
|
|
*****************************************************************************/
|
|
struct filter_sys_t
|
|
{
|
|
logo_list_t *p_logo_list;
|
|
|
|
int pos, posx, posy;
|
|
|
|
bool b_absolute;
|
|
mtime_t i_last_date;
|
|
|
|
/* On the fly control variable */
|
|
bool b_need_update;
|
|
};
|
|
|
|
static subpicture_t *Filter( filter_t *, mtime_t );
|
|
|
|
/*****************************************************************************
|
|
* CreateFilter: allocates logo video filter
|
|
*****************************************************************************/
|
|
static int CreateFilter( vlc_object_t *p_this )
|
|
{
|
|
filter_t *p_filter = (filter_t *)p_this;
|
|
filter_sys_t *p_sys;
|
|
logo_list_t *p_logo_list;
|
|
|
|
/* 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_logo_list = p_sys->p_logo_list = malloc( sizeof( logo_list_t ) );
|
|
if( p_logo_list == NULL )
|
|
{
|
|
msg_Err( p_filter, "out of memory" );
|
|
free( p_sys );
|
|
return VLC_ENOMEM;
|
|
}
|
|
|
|
config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
|
|
p_filter->p_cfg );
|
|
|
|
/* Hook used for callback variables */
|
|
p_logo_list->psz_filename =
|
|
var_CreateGetStringCommand( p_filter, "logo-file" );
|
|
if( !p_logo_list->psz_filename || !*p_logo_list->psz_filename )
|
|
{
|
|
msg_Err( p_this, "logo file not specified" );
|
|
free( p_sys );
|
|
free( p_logo_list );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
p_sys->posx = var_CreateGetIntegerCommand( p_filter, "logo-x" );
|
|
p_sys->posy = var_CreateGetIntegerCommand( p_filter, "logo-y" );
|
|
p_sys->pos = var_CreateGetIntegerCommand( p_filter, "logo-position" );
|
|
p_logo_list->i_alpha = __MAX( __MIN( var_CreateGetIntegerCommand(
|
|
p_filter, "logo-transparency"), 255 ), 0 );
|
|
p_logo_list->i_delay =
|
|
var_CreateGetIntegerCommand( p_filter, "logo-delay" );
|
|
p_logo_list->i_repeat =
|
|
var_CreateGetIntegerCommand( p_filter, "logo-repeat" );
|
|
|
|
var_AddCallback( p_filter, "logo-file", LogoCallback, p_sys );
|
|
var_AddCallback( p_filter, "logo-x", LogoCallback, p_sys );
|
|
var_AddCallback( p_filter, "logo-y", LogoCallback, p_sys );
|
|
var_AddCallback( p_filter, "logo-position", LogoCallback, p_sys );
|
|
var_AddCallback( p_filter, "logo-transparency", LogoCallback, p_sys );
|
|
var_AddCallback( p_filter, "logo-repeat", LogoCallback, p_sys );
|
|
|
|
vlc_mutex_init( &p_logo_list->lock );
|
|
vlc_mutex_lock( &p_logo_list->lock );
|
|
|
|
LoadLogoList( p_this, p_logo_list );
|
|
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
|
|
/* Misc init */
|
|
p_filter->pf_sub_filter = Filter;
|
|
p_sys->b_need_update = true;
|
|
|
|
p_sys->i_last_date = 0;
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DestroyFilter: destroy logo 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;
|
|
|
|
vlc_mutex_destroy( &p_sys->p_logo_list->lock );
|
|
FreeLogoList( p_sys->p_logo_list );
|
|
free( p_sys->p_logo_list );
|
|
free( p_sys );
|
|
|
|
/* Delete the logo variables from INPUT */
|
|
var_Destroy( p_filter->p_libvlc, "logo-file" );
|
|
var_Destroy( p_filter->p_libvlc, "logo-x" );
|
|
var_Destroy( p_filter->p_libvlc, "logo-y" );
|
|
var_Destroy( p_filter->p_libvlc, "logo-delay" );
|
|
var_Destroy( p_filter->p_libvlc, "logo-repeat" );
|
|
var_Destroy( p_filter->p_libvlc, "logo-position" );
|
|
var_Destroy( p_filter->p_libvlc, "logo-transparency" );
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Filter: the whole thing
|
|
*****************************************************************************
|
|
* This function outputs subpictures at regular time intervals.
|
|
*****************************************************************************/
|
|
static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
|
|
{
|
|
filter_sys_t *p_sys = p_filter->p_sys;
|
|
logo_list_t *p_logo_list = p_sys->p_logo_list;
|
|
subpicture_t *p_spu;
|
|
subpicture_region_t *p_region;
|
|
video_format_t fmt;
|
|
picture_t *p_pic;
|
|
logo_t *p_logo;
|
|
|
|
vlc_mutex_lock( &p_logo_list->lock );
|
|
/* Basic test: b_need_update occurs on a dynamic change,
|
|
& i_next_pic is the general timer, when to
|
|
look at updating the logo image */
|
|
|
|
if( ( ( !p_sys->b_need_update ) && ( p_logo_list->i_next_pic > date ) )
|
|
|| !p_logo_list->i_repeat )
|
|
{
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
return 0;
|
|
}
|
|
/* prior code tested on && p_sys->i_last_date +5000000 > date ) return 0; */
|
|
|
|
/* adjust index to the next logo */
|
|
p_logo_list->i_counter =
|
|
( p_logo_list->i_counter + 1 )%p_logo_list->i_count;
|
|
|
|
p_logo = &p_logo_list->p_logo[p_logo_list->i_counter];
|
|
p_pic = p_logo->p_pic;
|
|
|
|
/* Allocate the subpicture internal data. */
|
|
p_spu = p_filter->pf_sub_buffer_new( p_filter );
|
|
if( !p_spu )
|
|
{
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
return NULL;
|
|
}
|
|
|
|
p_spu->b_absolute = p_sys->b_absolute;
|
|
p_spu->i_start = p_sys->i_last_date = date;
|
|
p_spu->i_stop = 0;
|
|
p_spu->b_ephemer = true;
|
|
|
|
p_sys->b_need_update = false;
|
|
p_logo_list->i_next_pic = date +
|
|
( p_logo->i_delay != -1 ? p_logo->i_delay : p_logo_list->i_delay ) * 1000;
|
|
|
|
if( p_logo_list->i_repeat != -1
|
|
&& p_logo_list->i_counter == 0 )
|
|
{
|
|
p_logo_list->i_repeat--;
|
|
if( p_logo_list->i_repeat == 0 )
|
|
{
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
return p_spu;
|
|
}
|
|
}
|
|
|
|
if( !p_pic || !p_logo->i_alpha
|
|
|| ( p_logo->i_alpha == -1 && !p_logo_list->i_alpha ) )
|
|
{
|
|
/* Send an empty subpicture to clear the display */
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
return p_spu;
|
|
}
|
|
|
|
/* Create new SPU region */
|
|
memset( &fmt, 0, sizeof(video_format_t) );
|
|
fmt.i_chroma = VLC_FOURCC('Y','U','V','A');
|
|
fmt.i_aspect = VOUT_ASPECT_FACTOR;
|
|
fmt.i_sar_num = fmt.i_sar_den = 1;
|
|
fmt.i_width = fmt.i_visible_width = p_pic->p[Y_PLANE].i_visible_pitch;
|
|
fmt.i_height = fmt.i_visible_height = p_pic->p[Y_PLANE].i_visible_lines;
|
|
fmt.i_x_offset = fmt.i_y_offset = 0;
|
|
p_region = p_spu->pf_create_region( VLC_OBJECT(p_filter), &fmt );
|
|
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_logo_list->lock );
|
|
return NULL;
|
|
}
|
|
|
|
vout_CopyPicture( p_filter, &p_region->picture, p_pic );
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
|
|
/* where to locate the logo: */
|
|
if( p_sys->pos < 0 )
|
|
{ /* set to an absolute xy */
|
|
p_region->i_align = OSD_ALIGN_RIGHT | OSD_ALIGN_TOP;
|
|
p_spu->b_absolute = true;
|
|
}
|
|
else
|
|
{ /* set to one of the 9 relative locations */
|
|
p_region->i_align = p_sys->pos;
|
|
p_spu->b_absolute = false;
|
|
}
|
|
|
|
p_spu->i_x = p_sys->posx;
|
|
p_spu->i_y = p_sys->posy;
|
|
|
|
p_spu->p_region = p_region;
|
|
|
|
p_spu->i_alpha = ( p_logo->i_alpha != -1 ?
|
|
p_logo->i_alpha : p_logo_list->i_alpha );
|
|
|
|
return p_spu;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* Callback to update params on the fly
|
|
*****************************************************************************/
|
|
static int LogoCallback( 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;
|
|
logo_list_t *p_logo_list = p_sys->p_logo_list;
|
|
|
|
if( !strncmp( psz_var, "logo-file", 6 ) )
|
|
{
|
|
vlc_mutex_lock( &p_logo_list->lock );
|
|
FreeLogoList( p_logo_list );
|
|
p_logo_list->psz_filename = strdup( newval.psz_string );
|
|
LoadLogoList( p_this, p_logo_list );
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
p_sys->b_need_update = true;
|
|
}
|
|
else if ( !strncmp( psz_var, "logo-x", 6 ) )
|
|
{
|
|
p_sys->posx = newval.i_int;
|
|
}
|
|
else if ( !strncmp( psz_var, "logo-y", 6 ) )
|
|
{
|
|
p_sys->posy = newval.i_int;
|
|
}
|
|
else if ( !strncmp( psz_var, "logo-position", 12 ) )
|
|
{
|
|
p_sys->pos = newval.i_int;
|
|
}
|
|
else if ( !strncmp( psz_var, "logo-transparency", 9 ) )
|
|
{
|
|
vlc_mutex_lock( &p_logo_list->lock );
|
|
p_logo_list->i_alpha = __MAX( __MIN( newval.i_int, 255 ), 0 );
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
}
|
|
else if ( !strncmp( psz_var, "logo-repeat", 11 ) )
|
|
{
|
|
vlc_mutex_lock( &p_logo_list->lock );
|
|
p_logo_list->i_repeat = newval.i_int;
|
|
vlc_mutex_unlock( &p_logo_list->lock );
|
|
}
|
|
p_sys->b_need_update = true;
|
|
return VLC_SUCCESS;
|
|
}
|