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2nd part of FS#12176. Tempo setting migrated to fixed point for libgme.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30274 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2011-08-09 20:21:55 +00:00
parent 964a5e6dfb
commit 012df14a5f
21 changed files with 71 additions and 69 deletions
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10
apps/codecs/libgme/nsf_emu.c
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@ -54,7 +54,7 @@ void Nsf_init( struct Nsf_Emu* this )
{
this->sample_rate = 0;
this->mute_mask_ = 0;
this->tempo = 1.0;
this->tempo = (int)(FP_ONE_TEMPO);
this->gain = 1.0;
// defaults
@ -474,16 +474,16 @@ void Sound_mute_voices( struct Nsf_Emu* this, int mask )
}
}
void Sound_set_tempo( struct Nsf_Emu* this, double t )
void Sound_set_tempo( struct Nsf_Emu* this, int t )
{
require( this->sample_rate ); // sample rate must be set first
double const min = 0.02;
double const max = 4.00;
int const min = (int)(FP_ONE_TEMPO*0.02);
int const max = (int)(FP_ONE_TEMPO*4.00);
if ( t < min ) t = min;
if ( t > max ) t = max;
this->tempo = t;
set_play_period( this, (int) (play_period( &this->header ) / t) );
set_play_period( this, (int) ((play_period( &this->header ) * FP_ONE_TEMPO) / t) );
Apu_set_tempo( &this->apu, t );