Commit ed673a8c authored by Mark Moriarty's avatar Mark Moriarty
Browse files

OTF transparency and file name. Needs work.

parent 5b29dde6
......@@ -107,15 +107,14 @@ vlc_module_end();
/*****************************************************************************
* LoadPNG: loads the PNG logo into memory
*****************************************************************************/
static picture_t *LoadPNG( vlc_object_t *p_this )
static picture_t *LoadPNG( vlc_object_t *p_this, char *psz_filename, int i_trans )
{
picture_t *p_pic;
char *psz_filename;
vlc_value_t val;
FILE *file;
int i, j, i_trans;
int i, j;
vlc_bool_t b_alpha = VLC_TRUE;
png_uint_32 i_width, i_height;
int i_color_type, i_interlace_type, i_compression_type, i_filter_type;
int i_bit_depth;
......@@ -123,22 +122,11 @@ static picture_t *LoadPNG( vlc_object_t *p_this )
png_structp p_png;
png_infop p_info, p_end_info;
var_Create( p_this, "logo-file", VLC_VAR_STRING | VLC_VAR_DOINHERIT );
var_Get( p_this, "logo-file", &val );
psz_filename = val.psz_string;
if( !psz_filename || !*psz_filename )
{
msg_Err( p_this, "logo file not specified" );
return 0;
}
if( !(file = fopen( psz_filename , "rb" )) )
{
msg_Err( p_this, "logo file (%s) not found", psz_filename );
free( psz_filename );
return 0;
}
free( psz_filename );
p_png = png_create_read_struct( PNG_LIBPNG_VER_STRING, 0, 0, 0 );
p_info = png_create_info_struct( p_png );
......@@ -186,10 +174,6 @@ static picture_t *LoadPNG( vlc_object_t *p_this )
return 0;
}
var_Create(p_this, "logo-transparency", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
var_Get( p_this, "logo-transparency", &val );
i_trans = __MAX( __MIN( val.i_int, 255 ), 0 );
for( j = 0; j < (int)i_height ; j++ )
{
uint8_t *p = (uint8_t *)p_row_pointers[j];
......@@ -231,6 +215,8 @@ struct vout_sys_t
int i_width, i_height;
int pos, posx, posy;
char *psz_filename;
int i_trans;
};
/*****************************************************************************
......@@ -256,6 +242,13 @@ static int Create( vlc_object_t *p_this )
p_vout->pf_render = Render;
p_vout->pf_display = NULL;
p_vout->pf_control = Control;
p_sys->psz_filename = var_CreateGetString( p_this , "logo-file" );
if( !p_sys->psz_filename || !*p_sys->psz_filename )
{
msg_Err( p_this, "logo file not specified" );
return 0;
}
var_Create( p_this, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
var_Get( p_this, "logo-position", &val );
......@@ -266,8 +259,11 @@ static int Create( vlc_object_t *p_this )
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;
var_Create(p_this, "logo-transparency", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT);
var_Get( p_this, "logo-transparency", &val );
p_sys->i_trans = __MAX( __MIN( val.i_int, 255 ), 0 );
p_sys->p_pic = LoadPNG( p_this );
p_sys->p_pic = LoadPNG( p_this, p_sys->psz_filename, p_sys->i_trans );
if( !p_sys->p_pic )
{
free( p_sys );
......@@ -539,13 +535,16 @@ struct filter_sys_t
int i_width, i_height;
int pos, posx, posy;
char *psz_filename;
int i_trans;
time_t last_time;
vlc_bool_t b_absolute;
mtime_t i_last_date;
/* On the fly control variable: */
vlc_bool_t b_need_update;
vlc_bool_t b_newPNG;
};
static subpicture_t *Filter( filter_t *, mtime_t );
......@@ -557,7 +556,6 @@ static int CreateFilter( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
filter_sys_t *p_sys;
vlc_value_t val;
vlc_object_t *p_input;
/* Allocate structure */
......@@ -573,13 +571,27 @@ static int CreateFilter( vlc_object_t *p_this )
{
return VLC_ENOOBJ;
}
p_sys->psz_filename = var_CreateGetString( p_input , "logo-file" );
if( !p_sys->psz_filename || !*p_sys->psz_filename )
{
msg_Err( p_this, "logo file not specified" );
return 0;
}
p_sys->posx = var_CreateGetInteger( p_input , "logo-x" );
p_sys->posy = var_CreateGetInteger( p_input , "logo-y" );
p_sys->pos = var_CreateGetInteger( p_input , "logo-position" );
p_sys->i_trans = var_CreateGetInteger( p_input, "logo-transparency");
p_sys->i_trans = __MAX( __MIN( p_sys->i_trans, 255 ), 0 );
p_sys->p_pic = LoadPNG( p_this, p_sys->psz_filename, p_sys->i_trans );
var_AddCallback( p_input, "logo-file", LogoCallback, p_sys );
var_AddCallback( p_input, "logo-x", LogoCallback, p_sys );
var_AddCallback( p_input, "logo-y", LogoCallback, p_sys );
var_AddCallback( p_input, "logo-position", LogoCallback, p_sys );
var_AddCallback( p_input, "logo-transparency", LogoCallback, p_sys );
vlc_object_release( p_input );
p_sys->b_absolute = VLC_TRUE;
......@@ -589,7 +601,7 @@ static int CreateFilter( vlc_object_t *p_this )
p_sys->posx = 0; p_sys->posy = 0;
}
p_sys->p_pic = LoadPNG( p_this );
p_sys->p_pic = LoadPNG( p_this, p_sys->psz_filename, p_sys->i_trans );
if( !p_sys->p_pic )
{
free( p_sys );
......@@ -603,6 +615,7 @@ static int CreateFilter( vlc_object_t *p_this )
/* Misc init */
p_filter->pf_sub_filter = Filter;
p_sys->b_need_update = VLC_TRUE;
p_sys->last_time = ((time_t)-1);
return VLC_SUCCESS;
}
......@@ -622,15 +635,17 @@ static void DestroyFilter( vlc_object_t *p_this )
free( p_sys );
/* Delete the marquee variables from playlist */
/* Delete the logo variables from INPUT */
p_input = vlc_object_find( p_this, VLC_OBJECT_INPUT, FIND_ANYWHERE );
if( !p_input )
{
return;
}
var_Destroy( p_input , "logo-file" );
var_Destroy( p_input , "logo-x" );
var_Destroy( p_input , "logo-y" );
var_Destroy( p_input , "logo-position" );
var_Destroy( p_input , "logo-transparency" );
vlc_object_release( p_input );
}
......@@ -646,13 +661,50 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
subpicture_t *p_spu;
subpicture_region_t *p_region;
video_format_t fmt;
filter_sys_t *p_dummy;
time_t t;
FILE *file;
if( p_sys->i_last_date && p_sys->i_last_date + 5000000 > date ) return 0;
if( p_sys->b_need_update == VLC_FALSE )
if( p_sys->last_time == time( NULL ) )
{
return NULL;
}
if( p_sys->b_need_update == VLC_FALSE )
{
return NULL;
}
if (p_sys->b_newPNG == VLC_TRUE)
{
/* Trap invalid filenames, else get new graphic, swap for old */
if( !(file = fopen( p_sys->psz_filename , "rb" )) )
{
msg_Err( p_filter, "logo file (%s) not found", p_sys->psz_filename );
p_sys->b_newPNG = VLC_FALSE;
}
else
{
fclose( file );
p_dummy = malloc( sizeof( filter_sys_t ) );
p_dummy->p_pic = malloc( sizeof(picture_t) );
p_dummy->p_pic = LoadPNG( p_filter, p_sys->psz_filename, p_sys->i_trans );
if( !p_sys->p_pic )
{
p_dummy->p_pic = p_sys->p_pic;
}
/* if( p_sys->p_pic ) free( p_sys->p_pic ); */
p_sys->p_pic = p_dummy->p_pic;
free( p_dummy->p_pic );
free( p_dummy );
p_sys->i_width = p_sys->p_pic->p[Y_PLANE].i_visible_pitch;
p_sys->i_height = p_sys->p_pic->p[Y_PLANE].i_visible_lines;
p_sys->i_last_date = 0;
p_sys->b_newPNG = VLC_FALSE;
}
}
/* Allocate the subpicture internal data. */
p_spu = p_filter->pf_sub_buffer_new( p_filter );
if( !p_spu ) return NULL;
......@@ -672,7 +724,8 @@ static subpicture_t *Filter( filter_t *p_filter, mtime_t date )
p_filter->pf_sub_buffer_del( p_filter, p_spu );
return NULL;
}
t = p_sys->last_time = time( NULL );
vout_CopyPicture( p_filter, &p_region->picture, p_sys->p_pic );
p_region->i_x = 0;
p_region->i_y = 0;
......@@ -699,12 +752,13 @@ static int LogoCallback( vlc_object_t *p_this, char const *psz_var,
{
filter_sys_t *p_sys = (filter_sys_t *) p_data;
/* if( !strncmp( psz_var, "marq-marquee", 7 ) )
if( !strncmp( psz_var, "logo-file", 6 ) )
{
if( p_sys->psz_marquee ) free( p_sys->psz_marquee );
p_sys->psz_marquee = strdup( newval.psz_string );
if( p_sys->psz_filename ) free( p_sys->psz_filename );
p_sys->psz_filename = strdup( newval.psz_string );
p_sys->b_newPNG = VLC_TRUE;
}
else */ if ( !strncmp( psz_var, "logo-x", 6 ) )
else if ( !strncmp( psz_var, "logo-x", 6 ) )
{
p_sys->posx = newval.i_int;
}
......@@ -716,6 +770,11 @@ static int LogoCallback( vlc_object_t *p_this, char const *psz_var,
{
p_sys->pos = newval.i_int;
}
else if ( !strncmp( psz_var, "logo-transparency", 9 ) )
{
p_sys->i_trans = __MAX( __MIN( newval.i_int, 255 ), 0 );
p_sys->b_newPNG = VLC_TRUE;
}
p_sys->b_need_update = VLC_TRUE;
return VLC_SUCCESS;
}
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