/*****************************************************************************
* equalizer.c:
*****************************************************************************
- * Copyright (C) 2004, 2006 the VideoLAN team
+ * Copyright (C) 2004-2009 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
#include <vlc_charset.h>
#include <vlc_aout.h>
+#include <vlc_filter.h>
#include "equalizer_presets.h"
/* TODO:
#define BANDS_LONGTEXT N_( \
"Don't use presets, but manually specified bands. You need to " \
"provide 10 values between -20dB and 20dB, separated by spaces, " \
- "e.g. \"0 2 4 2 0 -2 -4 -2 0\"." )
+ "e.g. \"0 2 4 2 0 -2 -4 -2 0 2\"." )
#define TWOPASS_TEXT N_( "Two pass" )
#define TWOPASS_LONGTEXT N_( "Filter the audio twice. This provides a more " \
change_string_list( preset_list, preset_list_text, 0 )
add_string( "equalizer-bands", NULL, NULL, BANDS_TEXT,
BANDS_LONGTEXT, true )
- add_bool( "equalizer-2pass", 0, NULL, TWOPASS_TEXT,
+ add_bool( "equalizer-2pass", false, NULL, TWOPASS_TEXT,
TWOPASS_LONGTEXT, true )
add_float( "equalizer-preamp", 12.0, NULL, PREAMP_TEXT,
PREAMP_LONGTEXT, true )
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-struct aout_filter_sys_t
+struct filter_sys_t
{
/* Filter static config */
int i_band;
float x2[32][2];
float y2[32][128][2];
+ vlc_mutex_t lock;
};
-static void DoWork( aout_instance_t *, aout_filter_t *,
- aout_buffer_t *, aout_buffer_t * );
+static block_t *DoWork( filter_t *, block_t * );
#define EQZ_IN_FACTOR (0.25)
-static int EqzInit( aout_filter_t *, int );
-static void EqzFilter( aout_filter_t *, float *, float *,
- int, int );
-static void EqzClean( aout_filter_t * );
+static int EqzInit( filter_t *, int );
+static void EqzFilter( filter_t *, float *, float *, int, int );
+static void EqzClean( filter_t * );
-static int PresetCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-static int PreampCallback( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
-static int BandsCallback ( vlc_object_t *, char const *,
- vlc_value_t, vlc_value_t, void * );
+static int PresetCallback ( vlc_object_t *, char const *, vlc_value_t,
+ vlc_value_t, void * );
+static int PreampCallback ( vlc_object_t *, char const *, vlc_value_t,
+ vlc_value_t, void * );
+static int BandsCallback ( vlc_object_t *, char const *, vlc_value_t,
+ vlc_value_t, void * );
+static int TwoPassCallback( vlc_object_t *, char const *, vlc_value_t,
+ vlc_value_t, void * );
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
- aout_filter_t *p_filter = (aout_filter_t *)p_this;
- aout_filter_sys_t *p_sys;
- bool b_fit = true;
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys;
- if( p_filter->input.i_format != VLC_CODEC_FL32 ||
- p_filter->output.i_format != VLC_CODEC_FL32 )
+ if( p_filter->fmt_in.audio.i_format != VLC_CODEC_FL32 ||
+ p_filter->fmt_out.audio.i_format != VLC_CODEC_FL32 )
{
- b_fit = false;
- p_filter->input.i_format = VLC_CODEC_FL32;
- p_filter->output.i_format = VLC_CODEC_FL32;
+ p_filter->fmt_in.audio.i_format = VLC_CODEC_FL32;
+ p_filter->fmt_out.audio.i_format = VLC_CODEC_FL32;
msg_Warn( p_filter, "bad input or output format" );
+ return VLC_EGENERIC;
}
- if ( !AOUT_FMTS_SIMILAR( &p_filter->input, &p_filter->output ) )
+ if ( !AOUT_FMTS_SIMILAR( &p_filter->fmt_in.audio, &p_filter->fmt_out.audio ) )
{
- b_fit = false;
- memcpy( &p_filter->output, &p_filter->input,
+ memcpy( &p_filter->fmt_out.audio, &p_filter->fmt_in.audio,
sizeof(audio_sample_format_t) );
msg_Warn( p_filter, "input and output formats are not similar" );
- }
-
- if ( ! b_fit )
- {
return VLC_EGENERIC;
}
- p_filter->pf_do_work = DoWork;
- p_filter->b_in_place = true;
+ p_filter->pf_audio_filter = DoWork;
/* Allocate structure */
- p_sys = p_filter->p_sys = malloc( sizeof( aout_filter_sys_t ) );
+ p_sys = p_filter->p_sys = malloc( sizeof( *p_sys ) );
if( !p_sys )
return VLC_ENOMEM;
- if( EqzInit( p_filter, p_filter->input.i_rate ) != VLC_SUCCESS )
+ vlc_mutex_init( &p_sys->lock );
+ if( EqzInit( p_filter, p_filter->fmt_in.audio.i_rate ) != VLC_SUCCESS )
{
+ vlc_mutex_destroy( &p_sys->lock );
free( p_sys );
return VLC_EGENERIC;
}
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
- aout_filter_t *p_filter = (aout_filter_t *)p_this;
- aout_filter_sys_t *p_sys = p_filter->p_sys;
+ filter_t *p_filter = (filter_t *)p_this;
+ filter_sys_t *p_sys = p_filter->p_sys;
EqzClean( p_filter );
+ vlc_mutex_destroy( &p_sys->lock );
free( p_sys );
}
*****************************************************************************
*
*****************************************************************************/
-static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
- aout_buffer_t * p_in_buf, aout_buffer_t * p_out_buf )
+static block_t * DoWork( filter_t * p_filter, block_t * p_in_buf )
{
- VLC_UNUSED(p_aout);
- p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
- p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes;
-
- EqzFilter( p_filter, (float*)p_out_buf->p_buffer,
+ EqzFilter( p_filter, (float*)p_in_buf->p_buffer,
(float*)p_in_buf->p_buffer, p_in_buf->i_nb_samples,
- aout_FormatNbChannels( &p_filter->input ) );
+ aout_FormatNbChannels( &p_filter->fmt_in.audio ) );
+ return p_in_buf;
}
/*****************************************************************************
return EQZ_IN_FACTOR * ( pow( 10, db / 20.0 ) - 1.0 );
}
-static int EqzInit( aout_filter_t *p_filter, int i_rate )
+static int EqzInit( filter_t *p_filter, int i_rate )
{
- aout_filter_sys_t *p_sys = p_filter->p_sys;
+ filter_sys_t *p_sys = p_filter->p_sys;
const eqz_config_t *p_cfg;
int i, ch;
vlc_value_t val1, val2, val3;
- aout_instance_t *p_aout = (aout_instance_t *)p_filter->p_parent;
+ vlc_object_t *p_aout = p_filter->p_parent;
+ int i_ret = VLC_ENOMEM;
/* Select the config */
if( i_rate == 48000 )
p_sys->f_beta = malloc( p_sys->i_band * sizeof(float) );
p_sys->f_gamma = malloc( p_sys->i_band * sizeof(float) );
if( !p_sys->f_alpha || !p_sys->f_beta || !p_sys->f_gamma )
- {
- free( p_sys->f_alpha );
- free( p_sys->f_beta );
- free( p_sys->f_gamma );
- return VLC_ENOMEM;
- }
+ goto error;
for( i = 0; i < p_sys->i_band; i++ )
{
p_sys->f_gamp = 1.0;
p_sys->f_amp = malloc( p_sys->i_band * sizeof(float) );
if( !p_sys->f_amp )
- {
- free( p_sys->f_alpha );
- free( p_sys->f_beta );
- free( p_sys->f_gamma );
- return VLC_ENOMEM;
- }
+ goto error;
+
for( i = 0; i < p_sys->i_band; i++ )
{
p_sys->f_amp[i] = 0.0;
msg_Err(p_filter, "No preset selected");
free( val2.psz_string );
free( p_sys->f_amp );
- free( p_sys->f_alpha );
- free( p_sys->f_beta );
- free( p_sys->f_gamma );
- return VLC_EGENERIC;
+ i_ret = VLC_EGENERIC;
+ goto error;
}
if( ( *(val2.psz_string) &&
strstr( p_sys->psz_newbands, val2.psz_string ) ) || !*val2.psz_string )
var_AddCallback( p_aout, "equalizer-preset", PresetCallback, p_sys );
var_AddCallback( p_aout, "equalizer-bands", BandsCallback, p_sys );
var_AddCallback( p_aout, "equalizer-preamp", PreampCallback, p_sys );
+ var_AddCallback( p_aout, "equalizer-2pass", TwoPassCallback, p_sys );
msg_Dbg( p_filter, "equalizer loaded for %d Hz with %d bands %d pass",
i_rate, p_sys->i_band, p_sys->b_2eqz ? 2 : 1 );
p_sys->f_alpha[i], p_sys->f_beta[i], p_sys->f_gamma[i]);
}
return VLC_SUCCESS;
+
+error:
+ free( p_sys->f_alpha );
+ free( p_sys->f_beta );
+ free( p_sys->f_gamma );
+ return i_ret;
}
-static void EqzFilter( aout_filter_t *p_filter, float *out, float *in,
+static void EqzFilter( filter_t *p_filter, float *out, float *in,
int i_samples, int i_channels )
{
- aout_filter_sys_t *p_sys = p_filter->p_sys;
+ filter_sys_t *p_sys = p_filter->p_sys;
int i, ch, j;
+ vlc_mutex_lock( &p_sys->lock );
for( i = 0; i < i_samples; i++ )
{
for( ch = 0; ch < i_channels; ch++ )
in += i_channels;
out += i_channels;
}
+ vlc_mutex_unlock( &p_sys->lock );
}
-static void EqzClean( aout_filter_t *p_filter )
+static void EqzClean( filter_t *p_filter )
{
- aout_filter_sys_t *p_sys = p_filter->p_sys;
+ filter_sys_t *p_sys = p_filter->p_sys;
+ vlc_object_t *p_aout = p_filter->p_parent;
- var_DelCallback( (aout_instance_t *)p_filter->p_parent,
- "equalizer-bands", BandsCallback, p_sys );
- var_DelCallback( (aout_instance_t *)p_filter->p_parent,
- "equalizer-preset", PresetCallback, p_sys );
- var_DelCallback( (aout_instance_t *)p_filter->p_parent,
- "equalizer-preamp", PreampCallback, p_sys );
+ var_DelCallback( p_aout, "equalizer-bands", BandsCallback, p_sys );
+ var_DelCallback( p_aout, "equalizer-preset", PresetCallback, p_sys );
+ var_DelCallback( p_aout, "equalizer-preamp", PreampCallback, p_sys );
+ var_DelCallback( p_aout, "equalizer-2pass", TwoPassCallback, p_sys );
free( p_sys->f_alpha );
free( p_sys->f_beta );
}
-static int PresetCallback( vlc_object_t *p_this, char const *psz_cmd,
+static int PresetCallback( vlc_object_t *p_aout, char const *psz_cmd,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
- aout_filter_sys_t *p_sys = (aout_filter_sys_t *)p_data;
- aout_instance_t *p_aout = (aout_instance_t *)p_this;
+ filter_sys_t *p_sys = p_data;
- char *psz_preset = newval.psz_string;
+ const char *psz_preset = newval.psz_string;
+ vlc_mutex_lock( &p_sys->lock );
if( !*psz_preset || p_sys->i_band != 10 )
+ {
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
+ }
for( unsigned i = 0; eqz_preset_10b[i] != NULL; i++ )
{
d.quot, d.rem ) == -1 )
{
free( psz_newbands );
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_ENOMEM;
}
free( psz_newbands );
}
if( p_sys->b_first == false )
{
+ vlc_mutex_unlock( &p_sys->lock );
var_SetString( p_aout, "equalizer-bands", psz_newbands );
var_SetFloat( p_aout, "equalizer-preamp",
eqz_preset_10b[i]->f_preamp );
{
p_sys->psz_newbands = psz_newbands;
p_sys->f_newpreamp = eqz_preset_10b[i]->f_preamp;
+ vlc_mutex_unlock( &p_sys->lock );
}
return VLC_SUCCESS;
}
}
+ vlc_mutex_unlock( &p_sys->lock );
msg_Err( p_aout, "equalizer preset '%s' not found", psz_preset );
msg_Info( p_aout, "full list:" );
for( unsigned i = 0; eqz_preset_10b[i] != NULL; i++ )
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
VLC_UNUSED(p_this); VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
- aout_filter_sys_t *p_sys = (aout_filter_sys_t *)p_data;
+ filter_sys_t *p_sys = p_data;
if( newval.f_float < -20.0 )
newval.f_float = -20.0;
else if( newval.f_float > 20.0 )
newval.f_float = 20.0;
+
+ vlc_mutex_lock( &p_sys->lock );
p_sys->f_gamp = pow( 10, newval.f_float /20.0);
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
VLC_UNUSED(p_this); VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
- aout_filter_sys_t *p_sys = (aout_filter_sys_t *)p_data;
- char *psz_bands = newval.psz_string;
+ filter_sys_t *p_sys = p_data;
+ const char *psz_bands = newval.psz_string;
+ const char *p = psz_bands;
char *psz_next;
- char *p = psz_bands;
- int i;
/* Same thing for bands */
- for( i = 0; i < p_sys->i_band; i++ )
+ vlc_mutex_lock( &p_sys->lock );
+ for( int i = 0; i < p_sys->i_band; i++ )
{
float f;
break; /* end of line */
p = &psz_next[1];
}
+ vlc_mutex_unlock( &p_sys->lock );
+ return VLC_SUCCESS;
+}
+static int TwoPassCallback( vlc_object_t *p_this, char const *psz_cmd,
+ vlc_value_t oldval, vlc_value_t newval, void *p_data )
+{
+ VLC_UNUSED(p_this); VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
+ filter_sys_t *p_sys = p_data;
+
+ vlc_mutex_lock( &p_sys->lock );
+ p_sys->b_2eqz = newval.b_bool;
+ vlc_mutex_unlock( &p_sys->lock );
return VLC_SUCCESS;
}
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