static int modplug_load_metadata(AVFormatContext *s)
{
ModPlugContext *modplug = s->priv_data;
ModPlugFile *f = modplug->f;
char *extra;
const char *name = ModPlug_GetName(f);
const char *msg = ModPlug_GetMessage(f);
unsigned n_instruments = ModPlug_NumInstruments(f);
unsigned n_samples = ModPlug_NumSamples(f);
unsigned n_patterns = ModPlug_NumPatterns(f);
unsigned n_channels = ModPlug_NumChannels(f);
if (name && *name) av_dict_set(&s->metadata, "name", name, 0);
if (msg && *msg) av_dict_set(&s->metadata, "message", msg, 0);
extra = av_asprintf("%u pattern%s, %u channel%s",
n_patterns, n_patterns > 1 ? "s" : "",
n_channels, n_channels > 1 ? "s" : "");
if (!extra)
return AVERROR(ENOMEM);
av_dict_set(&s->metadata, "extra info", extra, AV_DICT_DONT_STRDUP_VAL);
ADD_META_MULTIPLE_ENTRIES(instrument, ModPlug_InstrumentName);
ADD_META_MULTIPLE_ENTRIES(sample, ModPlug_SampleName);
return 0;
}
/*****************************************************************************
* Control:
*****************************************************************************/
static int Control( demux_t *p_demux, int i_query, va_list args )
{
demux_sys_t *p_sys = p_demux->p_sys;
double f, *pf;
vlc_tick_t i64;
vlc_tick_t *pi64;
switch( i_query )
{
case DEMUX_CAN_SEEK:
*va_arg( args, bool * ) = true;
return VLC_SUCCESS;
case DEMUX_GET_POSITION:
pf = va_arg( args, double* );
if( p_sys->i_length > 0 )
{
double current = date_Get( &p_sys->pts ) - VLC_TICK_0;
double length = p_sys->i_length;
*pf = current / length;
return VLC_SUCCESS;
}
return VLC_EGENERIC;
case DEMUX_SET_POSITION:
f = va_arg( args, double );
i64 = f * p_sys->i_length;
if( i64 >= 0 && i64 <= p_sys->i_length )
{
ModPlug_Seek( p_sys->f, MS_FROM_VLC_TICK(i64) );
date_Set( &p_sys->pts, VLC_TICK_0 + i64 );
return VLC_SUCCESS;
}
return VLC_EGENERIC;
case DEMUX_GET_TIME:
*va_arg( args, vlc_tick_t * ) = date_Get( &p_sys->pts );
return VLC_SUCCESS;
case DEMUX_GET_LENGTH:
pi64 = va_arg( args, vlc_tick_t * );
*pi64 = p_sys->i_length;
return VLC_SUCCESS;
case DEMUX_SET_TIME:
i64 = va_arg( args, vlc_tick_t );
if( likely(i64 >= 0) && i64 <= p_sys->i_length )
{
ModPlug_Seek( p_sys->f, MS_FROM_VLC_TICK( i64 ) );
date_Set( &p_sys->pts, VLC_TICK_0 + i64 );
return VLC_SUCCESS;
}
return VLC_EGENERIC;
case DEMUX_HAS_UNSUPPORTED_META:
{
bool *pb_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 = 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 && IsUTF8( 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 && IsUTF8( 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 )
{
vlc_meta_AddExtra( p_meta, "Module Information",
psz_module_info );
free( psz_module_info );
}
free( psz_instrument_info );
}
/* 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++ )
{
char lBuffer[33];
ModPlug_InstrumentName( p_sys->f, i, lBuffer );
if ( !lBuffer[0] || !IsUTF8( lBuffer ) ) continue;
i_temp_index += snprintf( &psz_temp[i_temp_index], sizeof(psz_temp) - i_temp_index, "%s\n", lBuffer );
}
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] || !IsUTF8( psz_buffer ) ) continue;
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 */
return VLC_EGENERIC;
case DEMUX_CAN_PAUSE:
case DEMUX_CAN_CONTROL_PACE:
case DEMUX_GET_PTS_DELAY:
case DEMUX_SET_PAUSE_STATE:
return demux_vaControlHelper( p_demux->s, 0, -1, 0, 1, i_query, args );
default:
return VLC_EGENERIC;
}
}
unsigned int sfMod::Mod::GetInstrumentCount() const
{
return ModPlug_NumInstruments(file_);
}
