/*****************************************************************************
* mod.c: MOD file demuxer (using libmodplug)
*****************************************************************************
- * Copyright (C) 2004 VideoLAN
+ * Copyright (C) 2004-2009 the VideoLAN team
* $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
+ * Konstanty Bialkowski <konstanty@ieee.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
-#include <stdlib.h> /* malloc(), free() */
-#include <vlc/vlc.h>
-#include <vlc/input.h>
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <vlc_common.h>
+#include <vlc_plugin.h>
+#include <vlc_demux.h>
+#include <vlc_meta.h>
+#include <assert.h>
#include <libmodplug/modplug.h>
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
-vlc_module_begin();
- set_shortname( "MOD");
- set_description( _("MOD demuxer (libmodplug)" ) );
- set_capability( "demux2", 10 );
- set_category( CAT_INPUT );
- set_subcategory( SUBCAT_INPUT_DEMUX );
-
- add_bool( "mod-noisereduction", VLC_TRUE, NULL, N_("Noise reduction"), N_("Noise reduction"), VLC_FALSE );
-
- add_bool( "mod-reverb", VLC_FALSE, NULL, N_("Reverb"), N_("Reverb"), VLC_FALSE );
- add_integer_with_range( "mod-reverb-level", 0, 0, 100, NULL, N_("Reverb level (0-100)"), N_("Reverb level (0-100 defaults to 0)"), VLC_FALSE );
- add_integer_with_range( "mod-reverb-delay", 40, 0, 1000, NULL, N_("Reverb delay (ms)"), N_("Reverb delay in ms (usually 40-200ms)"), VLC_FALSE );
-
- add_bool( "mod-megabass", VLC_FALSE, NULL, N_("Mega bass"), N_("Mega bass"), VLC_FALSE );
- add_integer_with_range( "mod-megabass-level", 0, 0, 100, NULL, N_("Mega bass level (0-100)"), N_("Mega bass level (0-100 defaults to 0)"), VLC_FALSE );
- add_integer_with_range( "mod-megabass-range", 10, 10, 100, NULL, N_("Mega bass cut off (Hz)"), N_("Mega bass cut off (10-100Hz)"), VLC_FALSE );
-
- add_bool( "mod-surround", VLC_FALSE, NULL, N_("Surround"), N_("Surround"), VLC_FALSE );
- add_integer_with_range( "mod-surround-level", 0, 0, 100, NULL, N_("Surround level (0-100)"), N_("Surround level (0-100 defaults to 0)"), VLC_FALSE );
- add_integer_with_range( "mod-surround-delay", 5, 0, 1000, NULL, N_("Surround delay (ms)"), N_("Surround delay in ms (usually 5-40ms)"), VLC_FALSE );
-
- set_callbacks( Open, Close );
- add_shortcut( "mod" );
-vlc_module_end();
+#define NOISE_LONGTEXT N_("Enable noise reduction algorithm.")
+#define REVERB_LONGTEXT N_("Enable reverberation" )
+#define REVERB_LEVEL_LONGTEXT N_( "Reverberation level (from 0 " \
+ "to 100, default value is 0)." )
+#define REVERB_DELAY_LONGTEXT N_("Reverberation delay, in ms." \
+ " Usual values are from to 40 to 200ms." )
+#define MEGABASS_LONGTEXT N_( "Enable megabass mode" )
+#define MEGABASS_LEVEL_LONGTEXT N_("Megabass mode level (from 0 to 100, " \
+ "default value is 0)." )
+#define MEGABASS_RANGE_LONGTEXT N_("Megabass mode cutoff frequency, in Hz. " \
+ "This is the maximum frequency for which the megabass " \
+ "effect applies. Valid values are from 10 to 100 Hz." )
+#define SURROUND_LEVEL_LONGTEXT N_( "Surround effect level (from 0 to 100, " \
+ "default value is 0)." )
+#define SURROUND_DELAY_LONGTEXT N_("Surround delay, in ms. Usual values are " \
+ "from 5 to 40 ms." )
+
+vlc_module_begin ()
+ set_shortname( "MOD")
+ set_description( N_("MOD demuxer (libmodplug)" ) )
+ set_capability( "demux", 10 )
+ set_category( CAT_INPUT )
+ set_subcategory( SUBCAT_INPUT_DEMUX )
+
+ add_bool( "mod-noisereduction", true, NULL, N_("Noise reduction"),
+ NOISE_LONGTEXT, false )
+
+ add_bool( "mod-reverb", false, NULL, N_("Reverb"),
+ REVERB_LONGTEXT, false )
+ add_integer_with_range( "mod-reverb-level", 0, 0, 100, NULL,
+ N_("Reverberation level"), REVERB_LEVEL_LONGTEXT, true )
+ add_integer_with_range( "mod-reverb-delay", 40, 0, 1000, NULL,
+ N_("Reverberation delay"), REVERB_DELAY_LONGTEXT, true )
+
+ add_bool( "mod-megabass", false, NULL, N_("Mega bass"),
+ MEGABASS_LONGTEXT, false )
+ add_integer_with_range( "mod-megabass-level", 0, 0, 100, NULL,
+ N_("Mega bass level"), MEGABASS_LEVEL_LONGTEXT, true )
+ add_integer_with_range( "mod-megabass-range", 10, 10, 100, NULL,
+ N_("Mega bass cutoff"), MEGABASS_RANGE_LONGTEXT, true )
+
+ add_bool( "mod-surround", false, NULL, N_("Surround"), N_("Surround"),
+ false )
+ add_integer_with_range( "mod-surround-level", 0, 0, 100, NULL,
+ N_("Surround level"), SURROUND_LEVEL_LONGTEXT, true )
+ add_integer_with_range( "mod-surround-delay", 5, 0, 1000, NULL,
+ N_("Surround delay (ms)"), SURROUND_DELAY_LONGTEXT, true )
+
+ set_callbacks( Open, Close )
+ add_shortcut( "mod" )
+vlc_module_end ()
/*****************************************************************************
* Local prototypes
es_format_t fmt;
es_out_id_t *es;
- int64_t i_time;
+ date_t pts;
int64_t i_length;
int i_data;
static int Demux ( demux_t *p_demux );
static int Control( demux_t *p_demux, int i_query, va_list args );
-static const char* mod_ext[] =
+static int Validate( demux_t *p_demux, const char *psz_ext );
+
+static const char *ppsz_mod_ext[] =
{
"mod", "s3m", "xm", "it", "669", "amf", "ams", "dbm", "dmf", "dsm",
"far", "mdl", "med", "mtm", "okt", "ptm", "stm", "ult", "umx", "mt2",
- "psm", NULL
+ "psm", "abc", NULL
};
+
+/* We load the complete file in memory, put a higher bound
+ * of 500 Mo (which is really big anyway) */
+#define MOD_MAX_FILE_SIZE (500*1000*1000)
+
/*****************************************************************************
* Open
*****************************************************************************/
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
- char *ext;
- int i;
ModPlug_Settings settings;
- vlc_value_t val;
- /* We accept file based on extention match */
- if( strcasecmp( p_demux->psz_demux, "mod" ) )
+ /* We accept file based on extension match */
+ if( !p_demux->b_force )
{
- if( ( ext = strchr( p_demux->psz_path, '.' ) ) == NULL ||
- stream_Size( p_demux->s ) == 0 ) return VLC_EGENERIC;
+ if( !p_demux->psz_file )
+ return VLC_EGENERIC;
+ const char *psz_ext = strrchr( p_demux->psz_file, '.' );
+ int i;
+
+ if( !psz_ext )
+ return VLC_EGENERIC;
- ext++; /* skip . */
- for( i = 0; mod_ext[i] != NULL; i++ )
+ psz_ext++; /* skip . */
+ for( i = 0; ppsz_mod_ext[i] != NULL; i++ )
{
- if( !strcasecmp( ext, mod_ext[i] ) )
- {
+ if( !strcasecmp( psz_ext, ppsz_mod_ext[i] ) )
break;
- }
}
- if( mod_ext[i] == NULL ) return VLC_EGENERIC;
- msg_Dbg( p_demux, "running MOD demuxer (ext=%s)", mod_ext[i] );
+ if( ppsz_mod_ext[i] == NULL )
+ return VLC_EGENERIC;
+ if( Validate( p_demux, ppsz_mod_ext[i] ) )
+ {
+ msg_Warn( p_demux, "MOD validation failed (ext=%s)", ppsz_mod_ext[i]);
+ return VLC_EGENERIC;
+ }
+ msg_Dbg( p_demux, "running MOD demuxer (ext=%s)", ppsz_mod_ext[i] );
}
+ const int64_t i_size = stream_Size( p_demux->s );
+ if( i_size <= 0 || i_size >= MOD_MAX_FILE_SIZE )
+ return VLC_EGENERIC;
+
/* Fill p_demux field */
p_demux->pf_demux = Demux;
p_demux->pf_control = Control;
- p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
+ p_demux->p_sys = p_sys = malloc( sizeof( *p_sys ) );
+ if( !p_sys )
+ return VLC_ENOMEM;
msg_Dbg( p_demux, "loading complete file (could be long)" );
- p_sys->i_data = stream_Size( p_demux->s );
+ p_sys->i_data = i_size;
p_sys->p_data = malloc( p_sys->i_data );
- p_sys->i_data = stream_Read( p_demux->s, p_sys->p_data, p_sys->i_data );
- if( p_sys->i_data <= 0 )
+ if( p_sys->p_data )
+ p_sys->i_data = stream_Read( p_demux->s, p_sys->p_data, p_sys->i_data );
+ if( p_sys->i_data <= 0 || !p_sys->p_data )
{
msg_Err( p_demux, "failed to read the complete file" );
free( p_sys->p_data );
free( p_sys );
return VLC_EGENERIC;
}
- /* Create our config variable */
- var_Create( p_demux, "mod-noisereduction", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-reverb", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-reverb-level", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-reverb-delay", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-megabass", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-megabass-level", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-megabass-range", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-surround", VLC_VAR_BOOL|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-surround-level", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
- var_Create( p_demux, "mod-surround-delay", VLC_VAR_INTEGER|VLC_VAR_DOINHERIT );
/* Configure modplug before loading the file */
ModPlug_GetSettings( &settings );
settings.mFrequency = 44100;
settings.mResamplingMode = MODPLUG_RESAMPLE_FIR;
- var_Get( p_demux, "mod-noisereduction", &val );
- if( val.b_bool) settings.mFlags |= MODPLUG_ENABLE_NOISE_REDUCTION;
-
- var_Get( p_demux, "mod-reverb", &val );
- if( val.b_bool) settings.mFlags |= MODPLUG_ENABLE_REVERB;
- var_Get( p_demux, "mod-reverb-level", &val );
- settings.mReverbDepth = val.i_int;
- var_Get( p_demux, "mod-reverb-delay", &val );
- settings.mReverbDelay = val.i_int;
-
- var_Get( p_demux, "mod-megabass", &val );
- if( val.b_bool) settings.mFlags |= MODPLUG_ENABLE_MEGABASS;
- var_Get( p_demux, "mod-megabass-level", &val );
- settings.mBassAmount = val.i_int;
- var_Get( p_demux, "mod-megabass-range", &val );
- settings.mBassRange = val.i_int;
-
- var_Get( p_demux, "mod-surround", &val );
- if( val.b_bool) settings.mFlags |= MODPLUG_ENABLE_SURROUND;
- var_Get( p_demux, "mod-surround-level", &val );
- settings.mSurroundDepth = val.i_int;
- var_Get( p_demux, "mod-surround-delay", &val );
- settings.mSurroundDelay = val.i_int;
+ if( var_CreateGetBool( p_demux, "mod-noisereduction" ) )
+ settings.mFlags |= MODPLUG_ENABLE_NOISE_REDUCTION;
+
+ if( var_CreateGetBool( p_demux, "mod-reverb" ) )
+ settings.mFlags |= MODPLUG_ENABLE_REVERB;
+ settings.mReverbDepth = var_CreateGetInteger( p_demux, "mod-reverb-level" );
+ settings.mReverbDelay = var_CreateGetInteger( p_demux, "mod-reverb-delay" );
+
+ if( var_CreateGetBool( p_demux, "mod-megabass" ) )
+ settings.mFlags |= MODPLUG_ENABLE_MEGABASS;
+ settings.mBassAmount = var_CreateGetInteger( p_demux, "mod-megabass-level" );
+ settings.mBassRange = var_CreateGetInteger( p_demux, "mod-megabass-range" );
+
+ if( var_CreateGetBool( p_demux, "mod-surround" ) )
+ settings.mFlags |= MODPLUG_ENABLE_SURROUND;
+ settings.mSurroundDepth = var_CreateGetInteger( p_demux, "mod-surround-level" );
+ settings.mSurroundDelay = var_CreateGetInteger( p_demux, "mod-surround-delay" );
ModPlug_SetSettings( &settings );
}
/* init time */
- p_sys->i_time = 1;
- p_sys->i_length = ModPlug_GetLength( p_sys->f ) * (int64_t)1000;
+ date_Init( &p_sys->pts, settings.mFrequency, 1 );
+ date_Set( &p_sys->pts, 0 );
+ p_sys->i_length = ModPlug_GetLength( p_sys->f ) * INT64_C(1000);
- msg_Dbg( p_demux, "MOD loaded name=%s lenght="I64Fd"ms",
+ msg_Dbg( p_demux, "MOD loaded name=%s lenght=%"PRId64"ms",
ModPlug_GetName( p_sys->f ),
p_sys->i_length );
{
demux_sys_t *p_sys = p_demux->p_sys;
block_t *p_frame;
- int i_bk = ( p_sys->fmt.audio.i_bitspersample / 8 ) *
+ const int i_bk = ( p_sys->fmt.audio.i_bitspersample / 8 ) *
p_sys->fmt.audio.i_channels;
p_frame = block_New( p_demux, p_sys->fmt.audio.i_rate / 10 * i_bk );
+ if( !p_frame )
+ return -1;
- p_frame->i_buffer = ModPlug_Read( p_sys->f, p_frame->p_buffer, p_frame->i_buffer );
- if( p_frame->i_buffer <= 0 )
+ const int i_read = ModPlug_Read( p_sys->f, p_frame->p_buffer, p_frame->i_buffer );
+ if( i_read <= 0 )
{
/* EOF */
block_Release( p_frame );
return 0;
}
+ p_frame->i_buffer = i_read;
+ p_frame->i_dts =
+ p_frame->i_pts = VLC_TS_0 + date_Get( &p_sys->pts );
/* Set PCR */
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, (int64_t)p_sys->i_time );
-
- /* We should use p_frame->i_buffer */
- p_sys->i_time += (int64_t)1000000 * p_frame->i_buffer / i_bk / p_sys->fmt.audio.i_rate;
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_frame->i_pts );
/* Send data */
- p_frame->i_dts = p_frame->i_pts = p_sys->i_time;
es_out_Send( p_demux->out, p_sys->es, p_frame );
+ date_Increment( &p_sys->pts, i_read / i_bk );
+
return 1;
}
switch( i_query )
{
- case DEMUX_GET_POSITION:
- pf = (double*) va_arg( args, double* );
- if( p_sys->i_length > 0 )
+ case DEMUX_GET_POSITION:
+ pf = (double*) va_arg( args, double* );
+ if( p_sys->i_length > 0 )
+ {
+ double current = date_Get( &p_sys->pts );
+ double length = p_sys->i_length;
+ *pf = current / length;
+ return VLC_SUCCESS;
+ }
+ return VLC_EGENERIC;
+
+ case DEMUX_SET_POSITION:
+ f = (double) va_arg( args, double );
+
+ i64 = f * p_sys->i_length;
+ if( i64 >= 0 && i64 <= p_sys->i_length )
+ {
+ ModPlug_Seek( p_sys->f, i64 / 1000 );
+ date_Set( &p_sys->pts, i64 );
+
+ return VLC_SUCCESS;
+ }
+ return VLC_EGENERIC;
+
+ case DEMUX_GET_TIME:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = date_Get( &p_sys->pts );
+ return VLC_SUCCESS;
+
+ case DEMUX_GET_LENGTH:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = p_sys->i_length;
+ return VLC_SUCCESS;
+
+ case DEMUX_SET_TIME:
+ i64 = (int64_t)va_arg( args, int64_t );
+
+ if( i64 >= 0 && i64 <= p_sys->i_length )
+ {
+ ModPlug_Seek( p_sys->f, i64 / 1000 );
+ date_Set( &p_sys->pts, i64 );
+
+ return VLC_SUCCESS;
+ }
+ return VLC_EGENERIC;
+
+ case DEMUX_HAS_UNSUPPORTED_META:
+ {
+ bool *pb_bool = (bool*)va_arg( args, bool* );
+ *pb_bool = false; /* FIXME I am not sure of this one */
+ return VLC_SUCCESS;
+ }
+ case DEMUX_GET_META:
+ {
+ vlc_meta_t *p_meta = (vlc_meta_t *)va_arg( args, vlc_meta_t* );
+ unsigned i_num_samples = ModPlug_NumSamples( p_sys->f ),
+ i_num_instruments = ModPlug_NumInstruments( p_sys->f );
+ unsigned i_num_patterns = ModPlug_NumPatterns( p_sys->f ),
+ i_num_channels = ModPlug_NumChannels( p_sys->f );
+ // unsigned modType = ModPlug_GetModuleType( p_sys->f );
+
+ char psz_temp[2048]; /* 32 * 240 max, but only need start */
+ char *psz_module_info, *psz_instrument_info;
+ unsigned i_temp_index = 0;
+ const char *psz_name = ModPlug_GetName( p_sys->f );
+ if( psz_name && *psz_name )
+ vlc_meta_SetTitle( p_meta, psz_name );
+
+ /* Comment field from artist - not in every type of MOD */
+ psz_name = ModPlug_GetMessage( p_sys->f );
+ if( psz_name && *psz_name )
+ vlc_meta_SetDescription( p_meta, psz_name );
+
+ /* Instruments only in newer MODs - so don't show if 0 */
+ if( asprintf( &psz_instrument_info, ", %i Instruments",
+ i_num_instruments ) >= 0 )
+ {
+ if( asprintf( &psz_module_info,
+ "%i Channels, %i Patterns\n"
+ "%i Samples%s\n",
+ i_num_channels, i_num_patterns, i_num_samples,
+ ( i_num_instruments ? psz_instrument_info : "" ) ) >= 0 )
{
- *pf = (double)p_sys->i_time / (double)p_sys->i_length;
- return VLC_SUCCESS;
+ vlc_meta_AddExtra( p_meta, "Module Information",
+ psz_module_info );
+ free( psz_module_info );
}
- return VLC_EGENERIC;
- case DEMUX_SET_POSITION:
- f = (double) va_arg( args, double );
+ free( psz_instrument_info );
+ }
- i64 = f * p_sys->i_length;
- if( i64 >= 0 && i64 <= p_sys->i_length )
+ /* Make list of instruments (XM, IT, etc) */
+ if( i_num_instruments )
+ {
+ i_temp_index = 0;
+ for( unsigned i = 0; i < i_num_instruments && i_temp_index < sizeof(psz_temp); i++ )
{
- ModPlug_Seek( p_sys->f, i64 / 1000 );
- p_sys->i_time = i64 + 1;
- es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
-
- return VLC_SUCCESS;
+ char lBuffer[33];
+ ModPlug_InstrumentName( p_sys->f, i, lBuffer );
+ if ( !lBuffer[0] ) continue; // don't add empty fields.
+ i_temp_index += snprintf( &psz_temp[i_temp_index], sizeof(psz_temp) - i_temp_index, "%s\n", lBuffer );
}
- return VLC_EGENERIC;
- case DEMUX_GET_TIME:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = p_sys->i_time;
- return VLC_SUCCESS;
+ vlc_meta_AddExtra( p_meta, "Instruments", psz_temp );
+ }
+
+ /* Make list of samples */
+ for( unsigned int i = 0; i < i_num_samples && i_temp_index < sizeof(psz_temp); i++ )
+ {
+ char psz_buffer[33];
+ ModPlug_SampleName( p_sys->f, i, psz_buffer );
+ if ( !psz_buffer[0] ) continue; // don't add empty fields.
+ i_temp_index += snprintf( &psz_temp[i_temp_index], sizeof(psz_temp) - i_temp_index, "%s\n", psz_buffer );
+ }
+
+ vlc_meta_AddExtra( p_meta, "Samples", psz_temp );
+
+ return VLC_SUCCESS;
+ }
+
+ case DEMUX_GET_FPS: /* meaningless */
+ default:
+ return VLC_EGENERIC;
+ }
+}
+
+/*****************************************************************************
+ * Validate: try to ensure it is really a mod file.
+ * The tests are not robust enough to replace extension checks in the general
+ * cases.
+ * TODO: maybe it should return a score, which will be used to bypass the
+ * extension checks when high enough.
+ *****************************************************************************/
+static int Validate( demux_t *p_demux, const char *psz_ext )
+{
+ static const struct
+ {
+ int i_offset;
+ const char *psz_marker;
+ } p_marker[] = {
+ { 0, "ziRCONia" }, /* MMCMP files */
+ { 0, "Extended Module" }, /* XM */
+ { 44, "SCRM" }, /* S3M */
+ { 0, "IMPM" }, /* IT */
+ { 0, "MThd" }, /* MID */
+ { 0, "GF1PATCH110" }, /* PAT */
+ { 20, "!SCREAM!" }, /* STM */
+ { 20, "!Scream!" }, /* STM */
+ { 20, "BMOD2STM" }, /* STM */
+ { 0, "MMD0" }, /* MED v0 */
+ { 0, "MMD1" }, /* MED v1 */
+ { 0, "MMD2" }, /* MED v2 */
+ { 0, "MMD3" }, /* MED v3 */
+ { 0, "MTM" }, /* MTM */
+ { 0, "DMDL" }, /* MDL */
+ { 0, "DBM0" }, /* DBM */
+ { 0, "if" }, /* 669 */
+ { 0, "JN" }, /* 669 */
+ { 0, "FAR\xfe" }, /* FAR */
+ { 0, "Extreme" }, /* AMS */
+ { 0, "OKTASONGCMOD" }, /* OKT */
+ { 44, "PTMF" }, /* PTM */
+ { 0, "MAS_UTrack_V00" }, /* Ult */
+ { 0, "DDMF" }, /* DMF */
+ { 8, "DSMFSONG" }, /* DSM */
+ { 0, "\xc1\x83\x2a\x9e" }, /* UMX */
+ { 0, "ASYLUM Music Format V1.0" }, /* AMF Type 0 */
+ { 0, "AMF" }, /* AMF */
+ { 0, "PSM\xfe" }, /* PSM */
+ { 0, "PSM " }, /* PSM */
+ { 0, "MT20" }, /* MT2 */
+
+ { 1080, "M.K." }, /* MOD */
+ { 1080, "M!K!" },
+ { 1080, "M&K!" },
+ { 1080, "N.T." },
+ { 1080, "CD81" },
+ { 1080, "OKTA" },
+ { 1080, "16CN" },
+ { 1080, "32CN" },
+ { 1080, "FLT" },
+ { 1080, "TDZ" },
+ { 1081, "CHN" },
+ { 1082, "CH" },
+
+ { -1, NULL }
+ };
+
+ const uint8_t *p_peek;
+ const int i_peek = stream_Peek( p_demux->s, &p_peek, 2048 );
+ if( i_peek < 4 )
+ return VLC_EGENERIC;
+
+ for( int i = 0; p_marker[i].i_offset >= 0; i++ )
+ {
+ const char *psz_marker = p_marker[i].psz_marker;
+ const int i_size = strlen( psz_marker );
+ const int i_offset = p_marker[i].i_offset;
+
+ if( i_peek < i_offset + i_size )
+ continue;
- case DEMUX_GET_LENGTH:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = p_sys->i_length;
+ if( !memcmp( &p_peek[i_offset], psz_marker, i_size ) )
return VLC_SUCCESS;
+ }
- case DEMUX_SET_TIME:
- i64 = (int64_t)va_arg( args, int64_t );
+ /* The only two format left untested are ABC and MOD(old version)
+ * ant they are difficult to test :( */
+
+ /* Check for ABC
+ * TODO i_peek = 2048 is too big for such files */
+ if( !strcasecmp( psz_ext, "abc" ) )
+ {
+ bool b_k = false;
+ bool b_tx = false;
+
+ for( int i = 0; i < i_peek-1; i++ )
+ {
+ b_k |= p_peek[i+0] == 'K' && p_peek[i+1] == ':';
+ b_tx |= ( p_peek[i+0] == 'X' || p_peek[i+0] == 'T') && p_peek[i+1] == ':';
+ }
+ if( !b_k || !b_tx )
+ return VLC_EGENERIC;
+ return VLC_SUCCESS;
+ }
- if( i64 >= 0 && i64 <= p_sys->i_length )
+ /* Check for MOD */
+ if( !strcasecmp( psz_ext, "mod" ) && i_peek >= 20 + 15 * 30 )
+ {
+ /* Check that the name is correctly null padded */
+ const uint8_t *p = memchr( p_peek, '\0', 20 );
+ if( p )
+ {
+ for( ; p < &p_peek[20]; p++ )
{
- ModPlug_Seek( p_sys->f, i64 / 1000 );
- p_sys->i_time = i64 + 1;
- es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+ if( *p )
+ return VLC_EGENERIC;
+ }
+ }
+
+ for( int i = 0; i < 15; i++ )
+ {
+ const uint8_t *p_sample = &p_peek[20 + i*30];
- return VLC_SUCCESS;
+ /* Check correct null padding */
+ const uint8_t *p = memchr( &p_sample[0], '\0', 22 );
+ if( p )
+ {
+ for( ; p < &p_sample[22]; p++ )
+ {
+ if( *p )
+ return VLC_EGENERIC;
+ }
}
- return VLC_EGENERIC;
- case DEMUX_GET_FPS: /* meaningless */
- default:
- return VLC_EGENERIC;
+ if( p_sample[25] > 64 ) /* Volume value */
+ return VLC_EGENERIC;
+ }
+ return VLC_SUCCESS;
}
+ return VLC_EGENERIC;
}
-