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* modules/video_filter/logo.c: new --logo-position option (by default the logo is displayed on the top right)

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This commit is contained in:
Gildas Bazin 2004-09-27 09:02:26 +00:00
parent 986ec6158e
commit 560287d445
2 changed files with 38 additions and 5 deletions
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6
include/vlc_video.h
View File

@ -290,6 +290,12 @@ struct subpicture_t
#define RESERVED_SUBPICTURE 1 /* allocated and reserved */
#define READY_SUBPICTURE 2 /* ready for display */
/* Subpicture position flags */
#define SUBPICTURE_ALIGN_LEFT 0x1
#define SUBPICTURE_ALIGN_RIGHT 0x2
#define SUBPICTURE_ALIGN_TOP 0x4
#define SUBPICTURE_ALIGN_BOTTOM 0x8
/*****************************************************************************
* Prototypes
*****************************************************************************/

37
modules/video_filter/logo.c
View File

@ -67,6 +67,16 @@ static void DestroyFilter( vlc_object_t * );
#define TRANS_TEXT N_("Transparency of the logo")
#define TRANS_LONGTEXT N_("You can set the logo transparency value here " \
"(from 0 for full transparency to 255 for full opacity)." )
#define POS_TEXT N_("Logo position")
#define POS_LONGTEXT N_( \
"You can enforce the logo position on the video " \
"(0=center, 1=left, 2=right, 4=top, 8=bottom, you can " \
"also use combinations of these values).")
static int pi_pos_values[] = { 0, 1, 2, 4, 8, 5, 6, 9, 10 };
static char *ppsz_pos_descriptions[] =
{ N_("Center"), N_("Left"), N_("Right"), N_("Top"), N_("Bottom"),
N_("Top-Left"), N_("Top-Right"), N_("Bottom-Left"), N_("Bottom-Right") };
vlc_module_begin();
set_description( _("Logo video filter") );
@ -75,10 +85,12 @@ vlc_module_begin();
set_callbacks( Create, Destroy );
add_file( "logo-file", NULL, NULL, FILE_TEXT, FILE_LONGTEXT, VLC_FALSE );
add_integer( "logo-x", 0, NULL, POSX_TEXT, POSX_LONGTEXT, VLC_FALSE );
add_integer( "logo-y", 0, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_FALSE );
add_integer( "logo-x", -1, NULL, POSX_TEXT, POSX_LONGTEXT, VLC_FALSE );
add_integer( "logo-y", -1, NULL, POSY_TEXT, POSY_LONGTEXT, VLC_FALSE );
add_integer_with_range( "logo-transparency", 255, 0, 255, NULL,
TRANS_TEXT, TRANS_LONGTEXT, VLC_FALSE );
add_integer( "logo-position", 6, NULL, POS_TEXT, POS_LONGTEXT, VLC_TRUE );
change_integer_list( pi_pos_values, ppsz_pos_descriptions, 0 );
/* subpicture filter submodule */
add_submodule();
@ -243,10 +255,10 @@ static int Create( vlc_object_t *p_this )
var_Create( p_this, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_this, "logo-x", &val );
p_sys->posx = val.i_int;
p_sys->posx = val.i_int >= 0 ? val.i_int : 0;
var_Create( p_this, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_this, "logo-y", &val );
p_sys->posy = val.i_int;
p_sys->posy = val.i_int >= 0 ? val.i_int : 0;
p_sys->p_pic = LoadPNG( p_this );
if( !p_sys->p_pic )
@ -495,7 +507,9 @@ struct filter_sys_t
picture_t *p_pic;
int i_width, i_height;
int posx, posy;
int pos, posx, posy;
vlc_bool_t b_absolute;
mtime_t i_last_date;
};
@ -519,6 +533,9 @@ static int CreateFilter( vlc_object_t *p_this )
return VLC_ENOMEM;
}
var_Create( p_this, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_this, "logo-position", &val );
p_sys->pos = val.i_int;
var_Create( p_this, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_this, "logo-x", &val );
p_sys->posx = val.i_int;
@ -526,6 +543,13 @@ static int CreateFilter( vlc_object_t *p_this )
var_Get( p_this, "logo-y", &val );
p_sys->posy = val.i_int;
p_sys->b_absolute = VLC_TRUE;
if( p_sys->posx < 0 || p_sys->posy < 0 )
{
p_sys->b_absolute = VLC_FALSE;
p_sys->posx = 0; p_sys->posy = 0;
}
p_sys->p_pic = LoadPNG( p_this );
if( !p_sys->p_pic )
{
@ -596,6 +620,9 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
p_region->i_y = 0;
p_spu->i_x = p_sys->posx;
p_spu->i_y = p_sys->posy;
p_spu->i_flags = p_sys->pos;
p_spu->b_absolute = p_sys->b_absolute;
p_spu->p_region = p_region;
p_spu->i_start = p_sys->i_last_date = date;