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() */
38 #include <vlc_plugin.h>
40 #include "revmodel.hpp"
42 /*****************************************************************************
44 *****************************************************************************/
45 static int Open ( vlc_object_t * );
46 static void Close( vlc_object_t * );
49 set_description( N_("spatializer") );
50 set_shortname( N_("spatializer" ) );
51 set_capability( "audio filter", 0 );
52 set_category( CAT_AUDIO );
53 set_subcategory( SUBCAT_AUDIO_AFILTER );
55 set_callbacks( Open, Close );
56 add_shortcut( "spatializer" );
57 add_float( "Roomsize", 1.05, NULL, NULL,NULL, true);
58 add_float( "Width", 10.0, NULL, NULL,NULL, true);
59 add_float( "Wet", 3.0, NULL, NULL,NULL, true);
60 add_float( "Dry", 2.0, NULL, NULL,NULL, true);
61 add_float( "Damp", 1.0, NULL, NULL,NULL, true);
64 /*****************************************************************************
66 *****************************************************************************/
67 typedef struct aout_filter_sys_t
69 /* reverb static config */
74 static revmodel reverbm;
76 static const char *psz_control_names[] =
78 "Roomsize", "Width" , "Wet", "Dry", "Damp"
80 static void DoWork( aout_instance_t *, aout_filter_t *,
81 aout_buffer_t *, aout_buffer_t * );
83 static int SpatInit( aout_filter_t *);
84 static void SpatFilter( aout_instance_t *,aout_filter_t *, float *, float *,
86 static void SpatClean( aout_filter_t * );
87 static int RoomCallback ( vlc_object_t *, char const *,
88 vlc_value_t, vlc_value_t, void * );
89 static int WetCallback ( vlc_object_t *, char const *,
90 vlc_value_t, vlc_value_t, void * );
91 static int DryCallback ( vlc_object_t *, char const *,
92 vlc_value_t, vlc_value_t, void * );
93 static int DampCallback ( vlc_object_t *, char const *,
94 vlc_value_t, vlc_value_t, void * );
95 static int WidthCallback ( vlc_object_t *, char const *,
96 vlc_value_t, vlc_value_t, void * );
98 /*****************************************************************************
100 *****************************************************************************/
101 static int Open( vlc_object_t *p_this )
103 aout_filter_t *p_filter = (aout_filter_t *)p_this;
104 aout_filter_sys_t *p_sys;
106 msg_Dbg(p_this, "Opening filter spatializer %s %s %d\n", __FILE__,__func__,__LINE__);
108 if( p_filter->input.i_format != VLC_FOURCC('f','l','3','2' ) ||
109 p_filter->output.i_format != VLC_FOURCC('f','l','3','2') )
112 p_filter->input.i_format = VLC_FOURCC('f','l','3','2');
113 p_filter->output.i_format = VLC_FOURCC('f','l','3','2');
114 msg_Warn( p_filter, "bad input or output format" );
116 if ( !AOUT_FMTS_SIMILAR( &p_filter->input, &p_filter->output ) )
119 memcpy( &p_filter->output, &p_filter->input,
120 sizeof(audio_sample_format_t) );
121 msg_Warn( p_filter, "input and output formats are not similar" );
129 p_filter->pf_do_work = DoWork;
130 p_filter->b_in_place = true;
132 /* Allocate structure */
133 p_sys = p_filter->p_sys = (aout_filter_sys_t*)malloc( sizeof( aout_filter_sys_t ) );
134 reverbm.setroomsize(1.05);
135 reverbm.setwet(10.0f);
136 reverbm.setdry(1.0f);
137 reverbm.setdamp(0.3);
138 reverbm.setwidth(0.9);
144 /*****************************************************************************
145 * Close: close the plugin
146 *****************************************************************************/
147 static void Close( vlc_object_t *p_this )
149 aout_filter_t *p_filter = (aout_filter_t *)p_this;
150 aout_filter_sys_t *p_sys = p_filter->p_sys;
151 SpatClean( p_filter );
153 msg_Dbg(p_this, "Closing filter spatializer %s %s %d\n", __FILE__,__func__,__LINE__);
156 /*****************************************************************************
157 * DoWork: process samples buffer
158 *****************************************************************************
160 *****************************************************************************/
161 static void DoWork( aout_instance_t * p_aout, aout_filter_t * p_filter,
162 aout_buffer_t * p_in_buf, aout_buffer_t * p_out_buf )
164 p_out_buf->i_nb_samples = p_in_buf->i_nb_samples;
165 p_out_buf->i_nb_bytes = p_in_buf->i_nb_bytes;
167 SpatFilter( p_aout, p_filter, (float*)p_out_buf->p_buffer,
168 (float*)p_in_buf->p_buffer, p_in_buf->i_nb_samples,
169 aout_FormatNbChannels( &p_filter->input ) );
172 static int SpatInit( aout_filter_t *p_filter )
174 aout_filter_sys_t *p_sys = p_filter->p_sys;
176 vlc_value_t val1, val2, val3, val4, val5;
177 aout_instance_t *p_aout = (aout_instance_t *)p_filter->p_parent;
179 for( int i = 0; i < 5 ; i ++ )
181 var_CreateGetFloatCommand( p_aout, psz_control_names[i] );
184 /* Get initial values */
185 var_Get( p_aout, psz_control_names[0], &val1 );
186 var_Get( p_aout, psz_control_names[1], &val2 );
187 var_Get( p_aout, psz_control_names[2], &val3 );
188 var_Get( p_aout, psz_control_names[3], &val4 );
189 var_Get( p_aout, psz_control_names[4], &val5);
191 RoomCallback( VLC_OBJECT( p_aout ), NULL, val1, val1, p_sys );
192 WidthCallback( VLC_OBJECT( p_aout ), NULL, val2, val2, p_sys );
193 WetCallback( VLC_OBJECT( p_aout ), NULL, val3, val3, p_sys );
194 DryCallback( VLC_OBJECT( p_aout ), NULL, val4, val4, p_sys );
195 DampCallback( VLC_OBJECT( p_aout ), NULL, val5, val5, p_sys );
197 msg_Dbg( p_filter, "%f", val1.f_float );
198 /* Add our own callbacks */
199 var_AddCallback( p_aout, psz_control_names[0], RoomCallback, p_sys );
200 var_AddCallback( p_aout, psz_control_names[1], WidthCallback, p_sys );
201 var_AddCallback( p_aout, psz_control_names[2], WetCallback, p_sys );
202 var_AddCallback( p_aout, psz_control_names[3], DryCallback, p_sys );
203 var_AddCallback( p_aout, psz_control_names[4], DampCallback, p_sys );
208 static void SpatFilter( aout_instance_t *p_aout,
209 aout_filter_t *p_filter, float *out, float *in,
210 int i_samples, int i_channels )
213 for( i = 0; i < i_samples; i++ )
215 for( ch = 0 ; ch < 2; ch++)
217 in[ch] = in[ch] * SPAT_AMP;
219 reverbm.processreplace( in, out , 1, i_channels);
225 static void SpatClean( aout_filter_t *p_filter )
227 aout_filter_sys_t *p_sys = p_filter->p_sys;
229 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
230 "Roomsize", RoomCallback, p_sys );
231 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
232 "Width", WidthCallback, p_sys );
233 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
234 "Wet", WetCallback, p_sys );
235 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
236 "Dry", DryCallback, p_sys );
237 var_DelCallback( (aout_instance_t *)p_filter->p_parent,
238 "Damp", DampCallback, p_sys );
242 static int RoomCallback( vlc_object_t *p_this, char const *psz_cmd,
243 vlc_value_t oldval, vlc_value_t newval, void *p_data )
245 msg_Dbg (p_this,"room callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
246 reverbm.setroomsize(newval.f_float);
250 static int WidthCallback( vlc_object_t *p_this, char const *psz_cmd,
251 vlc_value_t oldval, vlc_value_t newval, void *p_data )
253 reverbm.setwidth(newval.f_float);
254 msg_Dbg (p_this,"width callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
257 static int WetCallback( vlc_object_t *p_this, char const *psz_cmd,
258 vlc_value_t oldval, vlc_value_t newval, void *p_data )
260 reverbm.setwet(newval.f_float);
261 msg_Dbg (p_this,"wet callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
264 static int DryCallback( vlc_object_t *p_this, char const *psz_cmd,
265 vlc_value_t oldval, vlc_value_t newval, void *p_data )
267 reverbm.setdry(newval.f_float);
268 msg_Dbg (p_this,"dry callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);
271 static int DampCallback( vlc_object_t *p_this, char const *psz_cmd,
272 vlc_value_t oldval, vlc_value_t newval, void *p_data )
274 reverbm.setdamp(newval.f_float);
275 msg_Dbg (p_this, "damp callback %3.1f %s %s %d\n", newval.f_float, __FILE__,__func__,__LINE__);