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vlc-2-2
Commit 2b6826a1 authored by Clément Stenac's avatar Clément Stenac
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Add new spectrum analyzer effect, patch from zcot. 

Remove the "random" effect
parent 246584f5
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Showing with 540 additions and 46 deletions
modules/visualization/visual/effects.c
View file @ 2b6826a1
......@@ -320,6 +320,481 @@ int spectrum_Run(visual_effect_t * p_effect, aout_instance_t *p_aout,
}
/*****************************************************************************
* spectrometer_Run: derivative spectrum analysis
*****************************************************************************/
int spectrometer_Run(visual_effect_t * p_effect, aout_instance_t *p_aout,
aout_buffer_t * p_buffer , picture_t * p_picture)
{
#define Y(R,G,B) ((uint8_t)( (R * .299) + (G * .587) + (B * .114) ))
#define U(R,G,B) ((uint8_t)( (R * -.169) + (G * -.332) + (B * .500) + 128 ))
#define V(R,G,B) ((uint8_t)( (R * .500) + (G * -.419) + (B * -.0813) + 128 ))
float p_output[FFT_BUFFER_SIZE]; /* Raw FFT Result */
int *height; /* Bar heights */
int *peaks; /* Peaks */
int i_nb_bands; /* number of bands */
int i_band_width; /* width of bands */
int i_separ; /* Should we let blanks ? */
int i_amp; /* Vertical amplification */
int i_peak; /* Should we draw peaks ? */
int i_original; /* original spectrum graphic routine */
int i_rad; /* radius of circle of base of bands */
int i_sections; /* sections of spectranalysis */
int i_extra_width; /* extra width on peak */
int i_peak_height; /* height of peak */
int c; /* sentinel container of total spectral sections */
double band_sep_angle; /* angled separation between beginning of each band */
double section_sep_angle;/* " " ' " ' " " spectrum section */
int max_band_length; /* try not to go out of screen */
int i_show_base; /* Should we draw base of circle ? */
int i_show_bands; /* Should we draw bands ? */
//int i_invert_bands; /* do the bands point inward ? */
double a; /* for various misc angle situations in radians */
int x,y,xx,yy; /* various misc x/y */
char color1; /* V slide on a YUV color cube */
//char color2; /* U slide.. ? color2 fade color ? */
char *psz_parse = NULL; /* Args line */
/* Horizontal scale for 20-band equalizer */
const int xscale1[]={0,1,2,3,4,5,6,7,8,11,15,20,27,
36,47,62,82,107,141,184,255};
/* Horizontal scale for 80-band equalizer */
const int xscale2[] =
{0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,
19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,
35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,
52,53,54,55,56,57,58,59,61,63,67,72,77,82,87,93,99,105,
110,115,121,130,141,152,163,174,185,200,255};
const int *xscale;
const double y_scale = 3.60673760222; /* (log 256) */
fft_state *p_state; /* internal FFT data */
int i , j , k;
int i_line;
int16_t p_dest[FFT_BUFFER_SIZE]; /* Adapted FFT result */
int16_t p_buffer1[FFT_BUFFER_SIZE]; /* Buffer on which we perform
the FFT (first channel) */
i_line = 0;
float *p_buffl = /* Original buffer */
(float*)p_buffer->p_buffer;
int16_t *p_buffs; /* int16_t converted buffer */
int16_t *p_s16_buff = NULL; /* int16_t converted buffer */
p_s16_buff = (int16_t*)malloc(
p_buffer->i_nb_samples * p_effect->i_nb_chans * sizeof(int16_t));
if( !p_s16_buff )
{
msg_Err(p_aout,"Out of memory");
return -1;
}
p_buffs = p_s16_buff;
//i_nb_bands = config_GetInt ( p_aout, "visual-nbbands" );
//i_separ = config_GetInt( p_aout, "visual-separ" );
//i_amp = config_GetInt ( p_aout, "visual-amp" );
//i_peak = config_GetInt ( p_aout, "visual-peaks" );
/* previous 4 vars changed.. using them as `spect' variables */
i_original = config_GetInt ( p_aout, "spect-show-original" );
i_nb_bands = config_GetInt ( p_aout, "spect-nbbands" );
i_separ = config_GetInt ( p_aout, "spect-separ" );
i_amp = config_GetInt ( p_aout, "spect-amp" );
i_peak = config_GetInt ( p_aout, "spect-show-peaks" );
i_show_base = config_GetInt ( p_aout, "spect-show-base" );
i_show_bands = config_GetInt ( p_aout, "spect-show-bands" );
i_rad = config_GetInt ( p_aout, "spect-radius" );
i_sections = config_GetInt ( p_aout, "spect-sections" );
i_extra_width = config_GetInt ( p_aout, "spect-peak-width" );
i_peak_height = config_GetInt ( p_aout, "spect-peak-height" );
color1 = config_GetInt ( p_aout, "spect-color" );
if( i_nb_bands == 20)
{
xscale = xscale1;
}
else
{
i_nb_bands = 80;
xscale = xscale2;
}
i_nb_bands *= i_sections;
/* whoops, dont malloc the following memory for all the duplicated bands..
-only the original 20 or 80 will be fine */
if( !p_effect->p_data )
{
p_effect->p_data=(void *)malloc(i_nb_bands * sizeof(int) );
if( !p_effect->p_data)
{
msg_Err(p_aout,"Out of memory");
return -1;
}
peaks = (int *)p_effect->p_data;
for( i = 0 ; i < i_nb_bands ; i++)
{
peaks[i] = 0;
}
}
else
{
peaks =(int *)p_effect->p_data;
}
height = (int *)malloc( i_nb_bands * sizeof(int) );
if( !height)
{
msg_Err(p_aout,"Out of memory");
return -1;
}
/* Convert the buffer to int16_t */
/* Pasted from float32tos16.c */
for (i = p_buffer->i_nb_samples * p_effect->i_nb_chans; i--; )
{
union { float f; int32_t i; } u;
u.f = *p_buffl + 384.0;
if(u.i > 0x43c07fff ) * p_buffs = 32767;
else if ( u.i < 0x43bf8000 ) *p_buffs = -32768;
else *p_buffs = u.i - 0x43c00000;
p_buffl++ ; p_buffs++ ;
}
p_state = visual_fft_init();
if( !p_state)
{
msg_Err(p_aout,"Unable to initialize FFT transform");
return -1;
}
p_buffs = p_s16_buff;
for ( i = 0 ; i < FFT_BUFFER_SIZE ; i++)
{
p_output[i] = 0;
p_buffer1[i] = *p_buffs;
p_buffs = p_buffs + p_effect->i_nb_chans;
}
fft_perform( p_buffer1, p_output, p_state);
for(i= 0; i< FFT_BUFFER_SIZE ; i++ )
p_dest[i] = ( (int) sqrt( p_output [ i + 1 ] ) ) >> 8;
for ( i = 0 ; i< i_nb_bands/i_sections ;i++)
{
/* We search the maximum on one scale */
for( j = xscale[i] , y=0 ; j< xscale[ i + 1 ] ; j++ )
{
if ( p_dest[j] > y )
y = p_dest[j];
}
/* Calculate the height of the bar */
y >>=7;/* remove some noise */
if( y != 0)
{
height[i] = (int)log(y)* y_scale;
if(height[i] > 150)
height[i] = 150;
}
else
{
height[i] = 0 ;
}
/* Draw the bar now */
i_band_width = floor( p_effect->i_width / (i_nb_bands/i_sections)) ;
if( i_amp * height[i] > peaks[i])
{
peaks[i] = i_amp * height[i];
}
else if (peaks[i] > 0 )
{
peaks[i] -= PEAK_SPEED;
if( peaks[i] < i_amp * height[i] )
{
peaks[i] = i_amp * height[i];
}
if( peaks[i] < 0 )
{
peaks[i] = 0;
}
}
if( i_original != 0 )
{
if( peaks[i] > 0 && i_peak )
{
if( peaks[i] >= p_effect->i_height )
peaks[i] = p_effect->i_height - 2;
i_line = peaks[i];
for( j = 0 ; j< i_band_width - i_separ; j++)
{
for( k = 0 ; k< 3 ; k ++)
{
//* Draw the peak
*(p_picture->p[0].p_pixels +
(p_picture->p[0].i_lines - i_line -1 -k ) *
p_picture->p[0].i_pitch + (i_band_width*i +j) )
= 0xff;
*(p_picture->p[1].p_pixels +
(p_picture->p[1].i_lines - i_line /2 -1 -k/2 ) *
p_picture->p[1].i_pitch +
( ( i_band_width * i + j ) /2 ) )
= 0x00;
if( 0x04 * (i_line + k ) - 0x0f > 0 )
{
if ( 0x04 * (i_line + k ) -0x0f < 0xff)
*(p_picture->p[2].p_pixels +
(p_picture->p[2].i_lines - i_line /2 - 1 -k/2 ) *
p_picture->p[2].i_pitch +
( ( i_band_width * i + j ) /2 ) )
= ( 0x04 * ( i_line + k ) ) -0x0f ;
else
*(p_picture->p[2].p_pixels +
(p_picture->p[2].i_lines - i_line /2 - 1 -k/2 ) *
p_picture->p[2].i_pitch +
( ( i_band_width * i + j ) /2 ) )
= 0xff;
}
else
{
*(p_picture->p[2].p_pixels +
(p_picture->p[2].i_lines - i_line /2 - 1 -k/2 ) *
p_picture->p[2].i_pitch +
( ( i_band_width * i + j ) /2 ) )
= 0x10 ;
}
}
}
}
if(height[i] * i_amp > p_effect->i_height)
height[i] = floor(p_effect->i_height / i_amp );
for(i_line = 0 ; i_line < i_amp * height[i]; i_line ++ )
{
for( j = 0 ; j< i_band_width - i_separ ; j++)
{
*(p_picture->p[0].p_pixels +
(p_picture->p[0].i_lines - i_line -1) *
p_picture->p[0].i_pitch + (i_band_width*i +j) ) = 0xff;
*(p_picture->p[1].p_pixels +
(p_picture->p[1].i_lines - i_line /2 -1) *
p_picture->p[1].i_pitch +
( ( i_band_width * i + j ) /2 ) ) = 0x00;
if( 0x04 * i_line - 0x0f > 0 )
{
if( 0x04 * i_line - 0x0f < 0xff )
*(p_picture->p[2].p_pixels +
(p_picture->p[2].i_lines - i_line /2 - 1) *
p_picture->p[2].i_pitch +
( ( i_band_width * i + j ) /2 ) ) =
( 0x04 * i_line) -0x0f ;
else
*(p_picture->p[2].p_pixels +
(p_picture->p[2].i_lines - i_line /2 - 1) *
p_picture->p[2].i_pitch +
( ( i_band_width * i + j ) /2 ) ) =
0xff;
}
else
{
*(p_picture->p[2].p_pixels +
(p_picture->p[2].i_lines - i_line /2 - 1) *
p_picture->p[2].i_pitch +
( ( i_band_width * i + j ) /2 ) ) =
0x10 ;
}
}
}
}
}
band_sep_angle = 360.0 / i_nb_bands;
section_sep_angle = 360.0 / i_sections;
if( i_peak_height < 1 )
i_peak_height = 1;
max_band_length = p_picture->p[0].i_lines / 2 - ( i_rad + i_peak_height + 1 );
i_band_width = floor( 360 / i_nb_bands - i_separ );
if( i_band_width < 1 )
i_band_width = 1;
for( c = 0 ; c < i_sections ; c++ )
for( i = 0 ; i < (i_nb_bands / i_sections) ; i++ )
{
/* DO A PEAK */
if( peaks[i] > 0 && i_peak )
{
if( peaks[i] >= p_effect->i_height )
peaks[i] = p_effect->i_height - 2;
i_line = peaks[i];
/* circular line pattern(so color blend is more visible) */
for( j = 0 ; j < i_peak_height ; j++ )
{
x = p_picture->p[0].i_pitch / 2;
y = p_picture->p[0].i_lines / 2;
xx = x;
yy = y;
for( k = 0 ; k < (i_band_width + i_extra_width) ; k++ )
{
x = xx;
y = yy;
a = ( (i+1) * band_sep_angle + section_sep_angle * (c+1) + k )
* 3.141592 / 180.0;
x += (double)( cos(a) * (double)( i_line + j + i_rad ) );
y += (double)( -sin(a) * (double)( i_line + j + i_rad ) );
*(p_picture->p[0].p_pixels + x + y * p_picture->p[0].i_pitch
) = 255;/* Y(R,G,B); */
x /= 2;
y /= 2;
*(p_picture->p[1].p_pixels + x + y * p_picture->p[1].i_pitch
- p_picture->p[1].i_pitch
) = 0;/* U(R,G,B); */
if( 0x04 * (i_line + k ) - 0x0f > 0 )
{
if ( 0x04 * (i_line + k ) -0x0f < 0xff)
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = ( 0x04 * ( i_line + k ) ) -(color1-1);/* -V(R,G,B); */
else
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = 255;/* V(R,G,B); */
}
else
{
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = color1;/* V(R,G,B); */
}
}
}
}
if( (height[i] * i_amp) > p_effect->i_height )
height[i] = floor( p_effect->i_height / i_amp );
/* DO BASE OF BAND (mostly makes a circle) */
if( i_show_base != 0 )
{
x = p_picture->p[0].i_pitch / 2;
y = p_picture->p[0].i_lines / 2;
a = ( (i+1) * band_sep_angle + section_sep_angle * (c+1) )
* 3.141592 / 180.0;
x += (double)( cos(a) * (double)i_rad );/* newb-forceful casting */
y += (double)( -sin(a) * (double)i_rad );
*(p_picture->p[0].p_pixels + x + y * p_picture->p[0].i_pitch
) = 255;/* Y(R,G,B); */
x /= 2;
y /= 2;
*(p_picture->p[1].p_pixels + x + y * p_picture->p[1].i_pitch
- p_picture->p[1].i_pitch
) = 0;/* U(R,G,B); */
if( 0x04 * i_line - 0x0f > 0 )
{
if( 0x04 * i_line -0x0f < 0xff)
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = ( 0x04 * i_line) -(color1-1);/* -V(R,G,B); */
else
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = 255;/* V(R,G,B); */
}
else
{
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = color1;/* V(R,G,B); */
}
}
/* DO A BAND */
if( i_show_bands != 0 )
for( j = 0 ; j < i_band_width ; j++ )
{
x = p_picture->p[0].i_pitch / 2;
y = p_picture->p[0].i_lines / 2;
xx = x;
yy = y;
a = ( (i+1) * band_sep_angle + section_sep_angle * (c+1) + j )
* 3.141592/180.0;
for( k = (i_rad+1) ; k < max_band_length ; k++ )
{
if( (k-i_rad) > height[i] )
break;/* uhh.. */
x = xx;
y = yy;
x += (double)( cos(a) * (double)k );/* newbed! */
y += (double)( -sin(a) * (double)k );
*(p_picture->p[0].p_pixels + x + y * p_picture->p[0].i_pitch
) = 255;
x /= 2;
y /= 2;
*(p_picture->p[1].p_pixels + x + y * p_picture->p[1].i_pitch
- p_picture->p[1].i_pitch
) = 0;
if( 0x04 * i_line - 0x0f > 0 )
{
if ( 0x04 * i_line -0x0f < 0xff)
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = ( 0x04 * i_line) -(color1-1);
else
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = 255;
}
else
{
*(p_picture->p[2].p_pixels + x + y * p_picture->p[2].i_pitch
- p_picture->p[2].i_pitch
) = color1;
}
}
}
}
fft_close( p_state );
if( p_s16_buff != NULL )
{
free( p_s16_buff );
p_s16_buff = NULL;
}
if(height) free(height);
if(psz_parse) free(psz_parse);
return 0;
}
/*****************************************************************************
* scope_Run: scope effect
*****************************************************************************/
......@@ -374,42 +849,6 @@ int scope_Run(visual_effect_t * p_effect, aout_instance_t *p_aout,
return 0;
}
/*****************************************************************************
* random_Run: random plots display effect
*****************************************************************************/
int random_Run(visual_effect_t * p_effect, aout_instance_t *p_aout,
aout_buffer_t * p_buffer , picture_t * p_picture)
{
int i_nb_plots;
char *psz_parse= NULL;
int i , i_y , i_u , i_v;
int i_position;
srand((unsigned int)mdate());
if( p_effect->psz_args )
{
psz_parse = strdup( p_effect->psz_args );
i_nb_plots = config_GetInt ( p_aout, "visual-stars" );
}
else
{
i_nb_plots = 200;
}
for( i = 0 ; i < i_nb_plots ; i++ )
{
i_position = rand() % (p_effect->i_width * p_effect->i_height );
i_y = rand() % 256;
i_u = rand() % 256;
i_v = rand() % 256;
*(p_picture->p[0].p_pixels + i_position )= i_u;
*(p_picture->p[1].p_pixels + i_position/4) = i_v;
*(p_picture->p[2].p_pixels + i_position/4) = i_y;
}
return 0;
}
/*****************************************************************************
* blur_Run: blur effect
*****************************************************************************/
......
modules/visualization/visual/visual.c
View file @ 2b6826a1
......@@ -38,7 +38,7 @@
#define ELIST_TEXT N_( "Effects list" )
#define ELIST_LONGTEXT N_( \
"A list of visual effect, separated by commas.\n" \
"Current effects include: dummy, random, scope, spectrum" )
"Current effects include: dummy, scope, spectrum" )
#define WIDTH_TEXT N_( "Video width" )
#define WIDTH_LONGTEXT N_( \
......@@ -64,6 +64,38 @@
#define PEAKS_LONGTEXT N_( \
"Defines whether to draw peaks." )
#define ORIG_TEXT N_( "Enable original graphic spectrum" )
#define ORIG_LONGTEXT N_( \
"Defines whether to draw the original spectrum graphic routine." )
#define BANDS_TEXT N_( "Enable bands" )
#define BANDS_LONGTEXT N_( \
"Defines whether to draw the bands." )
#define BASE_TEXT N_( "Enable base" )
#define BASE_LONGTEXT N_( \
"Defines whether to draw the base of the bands." )
#define RADIUS_TEXT N_( "Base pixel radius" )
#define RADIUS_LONGTEXT N_( \
"Defines radius size in pixels, of base of bands(beginning)." )
#define SECT_TEXT N_( "Spectral sections" )
#define SECT_LONGTEXT N_( \
"Determines how many sections of spectrum will exist." )
#define PEAK_HEIGHT_TEXT N_( "Peak height" )
#define PEAK_HEIGHT_LONGTEXT N_( \
"This is the total pixel height of the peak items." )
#define PEAK_WIDTH_TEXT N_( "Peak extra width" )
#define PEAK_WIDTH_LONGTEXT N_( \
"Additions or subtractions of pixels on the peak width." )
#define COLOR1_TEXT N_( "V-plane color" )
#define COLOR1_LONGTEXT N_( \
"YUV-Color cube shifting across the V-plane ( 0 - 127 )." )
#define STARS_TEXT N_( "Number of stars" )
#define STARS_LONGTEXT N_( \
"Defines the number of stars to draw with random effect." )
......@@ -92,9 +124,31 @@ vlc_module_begin();
AMP_TEXT, AMP_LONGTEXT, VLC_TRUE );
add_bool("visual-peaks", VLC_TRUE, NULL,
PEAKS_TEXT, PEAKS_LONGTEXT, VLC_TRUE );
set_section( N_( "Random effect") , NULL );
add_integer("visual-stars", 200, NULL,
STARS_TEXT, STARS_LONGTEXT, VLC_TRUE );
set_section( N_("Spectrometer") , NULL );
add_bool("spect-show-original", VLC_TRUE, NULL,
ORIG_TEXT, ORIG_LONGTEXT, VLC_TRUE );
add_bool("spect-show-base", VLC_TRUE, NULL,
BASE_TEXT, BASE_LONGTEXT, VLC_TRUE );
add_integer("spect-radius", 22, NULL,
RADIUS_TEXT, RADIUS_LONGTEXT, VLC_TRUE );
add_integer("spect-sections", 2, NULL,
SECT_TEXT, SECT_LONGTEXT, VLC_TRUE );
add_integer("spect-color", 16, NULL,
COLOR1_TEXT, COLOR1_LONGTEXT, VLC_TRUE );
add_bool("spect-show-bands", VLC_TRUE, NULL,
BANDS_TEXT, BANDS_LONGTEXT, VLC_TRUE );
add_integer("spect-nbbands", 80, NULL,
NBBANDS_TEXT, NBBANDS_LONGTEXT, VLC_TRUE );
add_integer("spect-separ", 1, NULL,
SEPAR_TEXT, SEPAR_LONGTEXT, VLC_TRUE );
add_integer("spect-amp", 3, NULL,
AMP_TEXT, AMP_LONGTEXT, VLC_TRUE );
add_bool("spect-show-peaks", VLC_TRUE, NULL,
PEAKS_TEXT, PEAKS_LONGTEXT, VLC_TRUE );
add_integer("spect-peak-width", 1, NULL,
PEAK_WIDTH_TEXT, PEAK_WIDTH_LONGTEXT, VLC_TRUE );
add_integer("spect-peak-height", 1, NULL,
PEAK_HEIGHT_TEXT, PEAK_HEIGHT_LONGTEXT, VLC_TRUE );
set_capability( "visualization", 0 );
set_callbacks( Open, Close );
add_shortcut( "visualizer");
......@@ -117,7 +171,7 @@ static struct
{
{ "scope", scope_Run },
{ "spectrum", spectrum_Run },
{ "random", random_Run},
{ "spectrometer", spectrometer_Run },
{ "dummy", dummy_Run},
{ NULL, dummy_Run}
};
......@@ -163,7 +217,6 @@ static int Open( vlc_object_t *p_this )
var_Get( p_filter, "effect-list", &val);
psz_parser = psz_effects = strdup( val.psz_string );
free( val.psz_string );
msg_Dbg( p_filter , "Building list of effects" );
var_AddCallback( p_filter, "effect-list", FilterCallback, NULL );
......
modules/visualization/visual/visual.h
View file @ 2b6826a1
......@@ -61,11 +61,13 @@ int random_Run
(visual_effect_t * , aout_instance_t *, aout_buffer_t *, picture_t *);
int spectrum_Run
(visual_effect_t * , aout_instance_t *, aout_buffer_t *, picture_t *);
int spectrometer_Run
(visual_effect_t * , aout_instance_t *, aout_buffer_t *, picture_t *);
#if 0
int blur_Run
(visual_effect_t * , aout_instance_t *, aout_buffer_t *, picture_t *);
#endif
/* Default vout size */
#define VOUT_WIDTH 320
#define VOUT_HEIGHT 120
#define VOUT_WIDTH 533
#define VOUT_HEIGHT 400
src/audio_output/input.c
View file @ 2b6826a1
......@@ -107,7 +107,7 @@ int aout_InputNew( aout_instance_t * p_aout, aout_input_t * p_input )
var_Change( p_aout, "visual", VLC_VAR_SETTEXT, &text, NULL );
val.psz_string = ""; text.psz_string = _("Disable");
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
val.psz_string = "random"; text.psz_string = _("Random");
val.psz_string = "spectrometer"; text.psz_string = _("Spectrometer");
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
val.psz_string = "scope"; text.psz_string = _("Scope");
var_Change( p_aout, "visual", VLC_VAR_ADDCHOICE, &val, &text );
......
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