Music_Emu* gme_new_emu( gme_type_t type, int rate )
{
if ( type )
{
if ( rate == gme_info_only )
return type->new_info();
Music_Emu* gme = type->new_emu();
if ( gme )
{
#if !GME_DISABLE_EFFECTS
if ( type->flags_ & 1 )
{
gme->effects_buffer_ = BLARGG_NEW Simple_Effects_Buffer;
if ( gme->effects_buffer_ )
gme->set_buffer( gme->effects_buffer_ );
}
if ( !(type->flags_ & 1) || gme->effects_buffer_ )
#endif
{
if ( !gme->set_sample_rate( rate ) )
{
check( gme->type() == type );
return gme;
}
}
delete gme;
}
}
return NULL;
}
BLARGG_EXPORT Music_Emu* gme_new_emu( gme_type_t type, int rate )
{
if ( type )
{
if ( rate == gme_info_only )
return type->new_info();
Music_Emu* me = type->new_emu();
if ( me )
{
#if !GME_DISABLE_STEREO_DEPTH
if ( type->flags_ & 1 )
{
me->effects_buffer = BLARGG_NEW Effects_Buffer;
if ( me->effects_buffer )
me->set_buffer( me->effects_buffer );
}
if ( !(type->flags_ & 1) || me->effects_buffer )
#endif
{
if ( !me->set_sample_rate( rate ) )
{
check( me->type() == type );
return me;
}
}
delete me;
}
}
return 0;
}
gme_err_t gme_open_file( const char path [], Music_Emu** out, int sample_rate )
{
require( path && out );
*out = NULL;
GME_FILE_READER in;
RETURN_ERR( in.open( path ) );
char header [4];
int header_size = 0;
gme_type_t file_type = gme_identify_extension( path );
if ( !file_type )
{
header_size = sizeof header;
RETURN_ERR( in.read( header, sizeof header ) );
file_type = gme_identify_extension( gme_identify_header( header ) );
}
if ( !file_type )
return blargg_err_file_type;
Music_Emu* emu = gme_new_emu( file_type, sample_rate );
CHECK_ALLOC( emu );
// optimization: avoids seeking/re-reading header
Remaining_Reader rem( header, header_size, &in );
gme_err_t err = emu->load( rem );
in.close();
if ( err )
delete emu;
else
*out = emu;
return err;
}
// Used to implement gme_new_emu and gme_new_emu_multi_channel
Music_Emu* gme_internal_new_emu_( gme_type_t type, int rate, bool multi_channel )
{
if ( type )
{
if ( rate == gme_info_only )
return type->new_info();
Music_Emu* me = type->new_emu();
if ( me )
{
#if !GME_DISABLE_STEREO_DEPTH
me->set_multi_channel( multi_channel );
if ( type->flags_ & 1 )
{
if ( me->multi_channel() )
{
me->effects_buffer = BLARGG_NEW Effects_Buffer(8);
}
else
{
me->effects_buffer = BLARGG_NEW Effects_Buffer(1);
}
if ( me->effects_buffer )
me->set_buffer( me->effects_buffer );
}
if ( !(type->flags_ & 1) || me->effects_buffer )
#endif
{
if ( !me->set_sample_rate( rate ) )
{
check( me->type() == type );
return me;
}
}
delete me;
}
}
return 0;
}
