1 /*****************************************************************************
3 *****************************************************************************
4 * Copyright (C) 2004, 2006, 2007 the VideoLAN team
6 * Google Summer of Code 2007
8 * Authors: Biodun Osunkunle <biodun@videolan.org>
10 * Mentor : Jean-Baptiste Kempf <jb@videolan.org>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
25 *****************************************************************************/
27 /*****************************************************************************
29 *****************************************************************************/
30 #include <stdlib.h> /* malloc(), free() */
39 #include "revmodel.hpp"
41 /*****************************************************************************
43 *****************************************************************************/
44 static int Open ( vlc_object_t * );
45 static void Close( vlc_object_t * );
48 set_description( _("spatializer") );
49 set_shortname( _("spatializer" ) );
50 set_capability( "audio filter", 0 );
51 set_category( CAT_AUDIO );
52 set_subcategory( SUBCAT_AUDIO_AFILTER );
54 set_callbacks( Open, Close );
55 add_shortcut( "spatializer" );
56 add_float( "Roomsize", 1.05, NULL, NULL,NULL, true);
57 add_float( "Width", 10.0, NULL, NULL,NULL, true);
58 add_float( "Wet", 3.0, NULL, NULL,NULL, true);
59 add_float( "Dry", 2.0, NULL, NULL,NULL, true);
60 add_float( "Damp", 1.0, NULL, NULL,NULL, true);
63 /*****************************************************************************
65 *****************************************************************************/
66 typedef struct aout_filter_sys_t
68 /* reverb static config */
73 static revmodel reverbm;
75 static const char *psz_control_names[] =
77 "Roomsize", "Width" , "Wet", "Dry", "Damp"
79 static void DoWork( aout_instance_t *, aout_filter_t *,
80 aout_buffer_t *, aout_buffer_t * );
82 static int SpatInit( aout_filter_t *);
83 static void SpatFilter( aout_instance_t *,aout_filter_t *, float *, float *,
85 static void SpatClean( aout_filter_t * );
86 static int RoomCallback ( vlc_object_t *, char const *,
87 vlc_value_t, vlc_value_t, void * );
88 static int WetCallback ( vlc_object_t *, char const *,
89 vlc_value_t, vlc_value_t, void * );
90 static int DryCallback ( vlc_object_t *, char const *,
91 vlc_value_t, vlc_value_t, void * );
92 static int DampCallback ( vlc_object_t *, char const *,
93 vlc_value_t, vlc_value_t, void * );
94 static int WidthCallback ( vlc_object_t *, char const *,
95 vlc_value_t, vlc_value_t, void * );
97 /*****************************************************************************
99 *****************************************************************************/
100 static int Open( vlc_object_t *p_this )
102 aout_filter_t *p_filter = (aout_filter_t *)p_this;
103 aout_filter_sys_t *p_sys;
105 msg_Dbg(p_this, "Opening filter spatializer %s %s %d\n", __FILE__,__func__,__LINE__);
107 if( p_filter->input.i_format != VLC_FOURCC('f','l','3','2' ) ||
108 p_filter->output.i_format != VLC_FOURCC('f','l','3','2') )
111 p_filter->input.i_format = VLC_FOURCC('f','l','3','2');
112 p_filter->output.i_format = VLC_FOURCC('f','l','3','2');
113 msg_Warn( p_filter, "bad input or output format" );
115 if ( !AOUT_FMTS_SIMILAR( &p_filter->input, &p_filter->output ) )
118 memcpy( &p_filter->output, &p_filter->input,
119 sizeof(audio_sample_format_t) );
120 msg_Warn( p_filter, "input and output formats are not similar" );
128 p_filter->pf_do_work = DoWork;
129 p_filter->b_in_place = true;
131 /* Allocate structure */
132 p_sys = p_filter->p_sys = (aout_filter_sys_t*)malloc( sizeof( aout_filter_sys_t ) );
133 reverbm.setroomsize(1.05);
134 reverbm.setwet(10.0f);
135 reverbm.setdry(1.0f);
136 reverbm.setdamp(0.3);
137 reverbm.setwidth(0.9);
143 /*****************************************************************************
144 * Close: close the plugin
145 *****************************************************************************/
146 static void Close( vlc_object_t *p_this )
148 aout_filter_t *p_filter = (aout_filter_t *)p_this;
149 aout_filter_sys_t *p_sys = p_filter->p_sys;
150 SpatClean( p_filter );
152 msg_Dbg(p_this, "Closing filter spatializer %s %s %d\n", __FILE__,__func__,__LINE__);
155 /*****************************************************************************
156 * DoWork: process samples buffer
157 *****************************************************************************
159 *****************************************************************************/
160 static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
161 aout_buffer_t * p_in_buf, aout_buffer_t * p_out_buf )
163 p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
164 p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes;
166 SpatFilter( p_aout, p_filter, (float*)p_out_buf->p_buffer,
167 (float*)p_in_buf->p_buffer, p_in_buf->i_nb_samples,
168 aout_FormatNbChannels( &p_filter->input ) );
171 static int SpatInit( aout_filter_t *p_filter )
173 aout_filter_sys_t *p_sys = p_filter->p_sys;
175 vlc_value_t val1, val2, val3, val4, val5;
176 aout_instance_t *p_aout = (aout_instance_t *)p_filter->p_parent;
178 for( int i = 0; i < 5 ; i ++ )
180 var_CreateGetFloatCommand( p_aout, psz_control_names[i] );
183 /* Get initial values */
184 var_Get( p_aout, psz_control_names[0], &val1 );
185 var_Get( p_aout, psz_control_names[1], &val2 );
186 var_Get( p_aout, psz_control_names[2], &val3 );
187 var_Get( p_aout, psz_control_names[3], &val4 );
188 var_Get( p_aout, psz_control_names[4], &val5);
190 RoomCallback( VLC_OBJECT( p_aout ), NULL, val1, val1, p_sys );
191 WidthCallback( VLC_OBJECT( p_aout ), NULL, val2, val2, p_sys );
192 WetCallback( VLC_OBJECT( p_aout ), NULL, val3, val3, p_sys );
193 DryCallback( VLC_OBJECT( p_aout ), NULL, val4, val4, p_sys );
194 DampCallback( VLC_OBJECT( p_aout ), NULL, val5, val5, p_sys );
196 msg_Dbg( p_filter, "%f", val1.f_float );
197 /* Add our own callbacks */
198 var_AddCallback( p_aout, psz_control_names[0], RoomCallback, p_sys );
199 var_AddCallback( p_aout, psz_control_names[1], WidthCallback, p_sys );
200 var_AddCallback( p_aout, psz_control_names[2], WetCallback, p_sys );
201 var_AddCallback( p_aout, psz_control_names[3], DryCallback, p_sys );
202 var_AddCallback( p_aout, psz_control_names[4], DampCallback, p_sys );
207 static void SpatFilter( aout_instance_t *p_aout,
208 aout_filter_t *p_filter, float *out, float *in,
209 int i_samples, int i_channels )
212 for( i = 0; i < i_samples; i++ )
214 for( ch = 0 ; ch < 2; ch++)
216 in[ch] = in[ch] * SPAT_AMP;
218 reverbm.processreplace( in, out , 1, i_channels);
224 static void SpatClean( aout_filter_t *p_filter )
226 aout_filter_sys_t *p_sys = p_filter->p_sys;
228 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
229 "Roomsize", RoomCallback, p_sys );
230 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
231 "Width", WidthCallback, p_sys );
232 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
233 "Wet", WetCallback, p_sys );
234 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
235 "Dry", DryCallback, p_sys );
236 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
237 "Damp", DampCallback, p_sys );
241 static int RoomCallback( vlc_object_t *p_this, char const *psz_cmd,
242 vlc_value_t oldval, vlc_value_t newval, void *p_data )
244 msg_Dbg (p_this,"room callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
245 reverbm.setroomsize(newval.f_float);
249 static int WidthCallback( vlc_object_t *p_this, char const *psz_cmd,
250 vlc_value_t oldval, vlc_value_t newval, void *p_data )
252 reverbm.setwidth(newval.f_float);
253 msg_Dbg (p_this,"width callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
256 static int WetCallback( vlc_object_t *p_this, char const *psz_cmd,
257 vlc_value_t oldval, vlc_value_t newval, void *p_data )
259 reverbm.setwet(newval.f_float);
260 msg_Dbg (p_this,"wet callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
263 static int DryCallback( vlc_object_t *p_this, char const *psz_cmd,
264 vlc_value_t oldval, vlc_value_t newval, void *p_data )
266 reverbm.setdry(newval.f_float);
267 msg_Dbg (p_this,"dry callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
270 static int DampCallback( vlc_object_t *p_this, char const *psz_cmd,
271 vlc_value_t oldval, vlc_value_t newval, void *p_data )
273 reverbm.setdamp(newval.f_float);
274 msg_Dbg (p_this, "damp callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);