1 /*****************************************************************************
2 * mod.c: MOD file demuxer (using libmodplug)
3 *****************************************************************************
4 * Copyright (C) 2004-2009 the VideoLAN team
7 * Authors: Laurent Aimar <fenrir@via.ecp.fr>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_demux.h>
36 #include <libmodplug/modplug.h>
39 * - extend demux control to query meta data (demuxer should NEVER touch
41 * - FIXME test endian of samples
45 /*****************************************************************************
47 *****************************************************************************/
48 static int Open ( vlc_object_t * );
49 static void Close ( vlc_object_t * );
51 #define NOISE_LONGTEXT N_("Enable noise reduction algorithm.")
52 #define REVERB_LONGTEXT N_("Enable reverberation" )
53 #define REVERB_LEVEL_LONGTEXT N_( "Reverberation level (from 0 " \
54 "to 100, default value is 0)." )
55 #define REVERB_DELAY_LONGTEXT N_("Reverberation delay, in ms." \
56 " Usual values are from to 40 to 200ms." )
57 #define MEGABASS_LONGTEXT N_( "Enable megabass mode" )
58 #define MEGABASS_LEVEL_LONGTEXT N_("Megabass mode level (from 0 to 100, " \
59 "default value is 0)." )
60 #define MEGABASS_RANGE_LONGTEXT N_("Megabass mode cutoff frequency, in Hz. " \
61 "This is the maximum frequency for which the megabass " \
62 "effect applies. Valid values are from 10 to 100 Hz." )
63 #define SURROUND_LEVEL_LONGTEXT N_( "Surround effect level (from 0 to 100, " \
64 "default value is 0)." )
65 #define SURROUND_DELAY_LONGTEXT N_("Surround delay, in ms. Usual values are " \
70 set_description( N_("MOD demuxer (libmodplug)" ) )
71 set_capability( "demux", 10 )
72 set_category( CAT_INPUT )
73 set_subcategory( SUBCAT_INPUT_DEMUX )
75 add_bool( "mod-noisereduction", true, NULL, N_("Noise reduction"),
76 NOISE_LONGTEXT, false )
78 add_bool( "mod-reverb", false, NULL, N_("Reverb"),
79 REVERB_LONGTEXT, false )
80 add_integer_with_range( "mod-reverb-level", 0, 0, 100, NULL,
81 N_("Reverberation level"), REVERB_LEVEL_LONGTEXT, true )
82 add_integer_with_range( "mod-reverb-delay", 40, 0, 1000, NULL,
83 N_("Reverberation delay"), REVERB_DELAY_LONGTEXT, true )
85 add_bool( "mod-megabass", false, NULL, N_("Mega bass"),
86 MEGABASS_LONGTEXT, false )
87 add_integer_with_range( "mod-megabass-level", 0, 0, 100, NULL,
88 N_("Mega bass level"), MEGABASS_LEVEL_LONGTEXT, true )
89 add_integer_with_range( "mod-megabass-range", 10, 10, 100, NULL,
90 N_("Mega bass cutoff"), MEGABASS_RANGE_LONGTEXT, true )
92 add_bool( "mod-surround", false, NULL, N_("Surround"), N_("Surround"),
94 add_integer_with_range( "mod-surround-level", 0, 0, 100, NULL,
95 N_("Surround level"), SURROUND_LEVEL_LONGTEXT, true )
96 add_integer_with_range( "mod-surround-delay", 5, 0, 1000, NULL,
97 N_("Surround delay (ms)"), SURROUND_DELAY_LONGTEXT, true )
99 set_callbacks( Open, Close )
100 add_shortcut( "mod" )
103 /*****************************************************************************
105 *****************************************************************************/
120 static int Demux ( demux_t *p_demux );
121 static int Control( demux_t *p_demux, int i_query, va_list args );
123 static const char *ppsz_mod_ext[] =
125 "mod", "s3m", "xm", "it", "669", "amf", "ams", "dbm", "dmf", "dsm",
126 "far", "mdl", "med", "mtm", "okt", "ptm", "stm", "ult", "umx", "mt2",
130 /* We load the complete file in memory, put a higher bound
131 * of 500 Mo (which is really big anyway) */
132 #define MOD_MAX_FILE_SIZE (500*1000*1000)
134 /*****************************************************************************
136 *****************************************************************************/
137 static int Open( vlc_object_t *p_this )
139 demux_t *p_demux = (demux_t*)p_this;
141 ModPlug_Settings settings;
143 /* We accept file based on extension match */
144 if( !p_demux->b_force )
146 const char *psz_ext = strrchr( p_demux->psz_path, '.' );
152 psz_ext++; /* skip . */
153 for( i = 0; ppsz_mod_ext[i] != NULL; i++ )
155 if( !strcasecmp( psz_ext, ppsz_mod_ext[i] ) )
158 if( ppsz_mod_ext[i] == NULL )
160 msg_Dbg( p_demux, "running MOD demuxer (ext=%s)", ppsz_mod_ext[i] );
163 const int64_t i_size = stream_Size( p_demux->s );
164 if( i_size <= 0 || i_size >= MOD_MAX_FILE_SIZE )
167 /* Fill p_demux field */
168 p_demux->pf_demux = Demux;
169 p_demux->pf_control = Control;
170 p_demux->p_sys = p_sys = malloc( sizeof( *p_sys ) );
174 msg_Dbg( p_demux, "loading complete file (could be long)" );
175 p_sys->i_data = i_size;
176 p_sys->p_data = malloc( p_sys->i_data );
178 p_sys->i_data = stream_Read( p_demux->s, p_sys->p_data, p_sys->i_data );
179 if( p_sys->i_data <= 0 || !p_sys->p_data )
181 msg_Err( p_demux, "failed to read the complete file" );
182 free( p_sys->p_data );
187 /* Configure modplug before loading the file */
188 ModPlug_GetSettings( &settings );
189 settings.mFlags = MODPLUG_ENABLE_OVERSAMPLING;
190 settings.mChannels = 2;
192 settings.mFrequency = 44100;
193 settings.mResamplingMode = MODPLUG_RESAMPLE_FIR;
195 if( var_CreateGetBool( p_demux, "mod-noisereduction" ) )
196 settings.mFlags |= MODPLUG_ENABLE_NOISE_REDUCTION;
198 if( var_CreateGetBool( p_demux, "mod-reverb" ) )
199 settings.mFlags |= MODPLUG_ENABLE_REVERB;
200 settings.mReverbDepth = var_CreateGetInteger( p_demux, "mod-reverb-level" );
201 settings.mReverbDelay = var_CreateGetInteger( p_demux, "mod-reverb-delay" );
203 if( var_CreateGetBool( p_demux, "mod-megabass" ) )
204 settings.mFlags |= MODPLUG_ENABLE_MEGABASS;
205 settings.mBassAmount = var_CreateGetInteger( p_demux, "mod-megabass-level" );
206 settings.mBassRange = var_CreateGetInteger( p_demux, "mod-megabass-range" );
208 if( var_CreateGetBool( p_demux, "mod-surround" ) )
209 settings.mFlags |= MODPLUG_ENABLE_SURROUND;
210 settings.mSurroundDepth = var_CreateGetInteger( p_demux, "mod-surround-level" );
211 settings.mSurroundDelay = var_CreateGetInteger( p_demux, "mod-surround-delay" );
213 ModPlug_SetSettings( &settings );
215 if( ( p_sys->f = ModPlug_Load( p_sys->p_data, p_sys->i_data ) ) == NULL )
217 msg_Err( p_demux, "failed to understand the file" );
218 /* we try to seek to recover for other plugin */
219 stream_Seek( p_demux->s, 0 );
220 free( p_sys->p_data );
227 p_sys->i_length = ModPlug_GetLength( p_sys->f ) * INT64_C(1000);
229 msg_Dbg( p_demux, "MOD loaded name=%s lenght=%"PRId64"ms",
230 ModPlug_GetName( p_sys->f ),
233 #ifdef WORDS_BIGENDIAN
234 es_format_Init( &p_sys->fmt, AUDIO_ES, VLC_FOURCC( 't', 'w', 'o', 's' ) );
236 es_format_Init( &p_sys->fmt, AUDIO_ES, VLC_FOURCC( 'a', 'r', 'a', 'w' ) );
238 p_sys->fmt.audio.i_rate = settings.mFrequency;
239 p_sys->fmt.audio.i_channels = settings.mChannels;
240 p_sys->fmt.audio.i_bitspersample = settings.mBits;
241 p_sys->es = es_out_Add( p_demux->out, &p_sys->fmt );
246 /*****************************************************************************
248 *****************************************************************************/
249 static void Close( vlc_object_t *p_this )
251 demux_t *p_demux = (demux_t*)p_this;
252 demux_sys_t *p_sys = p_demux->p_sys;
254 ModPlug_Unload( p_sys->f );
255 free( p_sys->p_data );
260 /*****************************************************************************
262 *****************************************************************************/
263 static int Demux( demux_t *p_demux )
265 demux_sys_t *p_sys = p_demux->p_sys;
267 int i_bk = ( p_sys->fmt.audio.i_bitspersample / 8 ) *
268 p_sys->fmt.audio.i_channels;
271 p_frame = block_New( p_demux, p_sys->fmt.audio.i_rate / 10 * i_bk );
275 i_read = ModPlug_Read( p_sys->f, p_frame->p_buffer, p_frame->i_buffer );
279 block_Release( p_frame );
282 p_frame->i_buffer = i_read;
285 es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int64_t)p_sys->i_time );
287 /* We should use p_frame->i_buffer */
288 p_sys->i_time += INT64_C(1000000) * p_frame->i_buffer / i_bk / p_sys->fmt.audio.i_rate;
291 p_frame->i_dts = p_frame->i_pts = p_sys->i_time;
292 es_out_Send( p_demux->out, p_sys->es, p_frame );
297 /*****************************************************************************
299 *****************************************************************************/
300 static int Control( demux_t *p_demux, int i_query, va_list args )
302 demux_sys_t *p_sys = p_demux->p_sys;
308 case DEMUX_GET_POSITION:
309 pf = (double*) va_arg( args, double* );
310 if( p_sys->i_length > 0 )
312 *pf = (double)p_sys->i_time / (double)p_sys->i_length;
317 case DEMUX_SET_POSITION:
318 f = (double) va_arg( args, double );
320 i64 = f * p_sys->i_length;
321 if( i64 >= 0 && i64 <= p_sys->i_length )
323 ModPlug_Seek( p_sys->f, i64 / 1000 );
324 p_sys->i_time = i64 + 1;
331 pi64 = (int64_t*)va_arg( args, int64_t * );
332 *pi64 = p_sys->i_time;
335 case DEMUX_GET_LENGTH:
336 pi64 = (int64_t*)va_arg( args, int64_t * );
337 *pi64 = p_sys->i_length;
341 i64 = (int64_t)va_arg( args, int64_t );
343 if( i64 >= 0 && i64 <= p_sys->i_length )
345 ModPlug_Seek( p_sys->f, i64 / 1000 );
346 p_sys->i_time = i64 + 1;
352 case DEMUX_GET_FPS: /* meaningless */