ut_cp.c

/*
# _____     ___ ____     ___ ____
#  ____|   |    ____|   |        | |____|
# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
#-----------------------------------------------------------------------
# Copyright ps2dev - http://www.ps2dev.org
# Licenced under Academic Free License version 2.0
# Review ps2sdk README & LICENSE files for further details.
*/
 
#include "libsnd2_internal.h"
 
s16 SsUtChangePitch(s16 vc, s16 vab_id, s16 prog, s16 old_note, s16 old_fine, s16 new_note, s16 new_fine)
{
    int m_vab_id;
    int m_prog;
    const libsnd2_spu_voice_t *voice_struct;
 
    (void)old_fine;
 
    if ( (u16)vc >= 0x18u )
        return -1;
    voice_struct = &_svm_voice[vc];
    m_vab_id = voice_struct->m_vab_id;
    if ( m_vab_id != vab_id )
    {
        return -1;
    }
    m_prog = voice_struct->m_prog;
    if ( m_prog != prog )
    {
        return -1;
    }
    if ( voice_struct->m_note != old_note )
    {
        return -1;
    }
    _SsVmVSetUp(m_vab_id, m_prog);
    _svm_cur.m_seq_sep_no = 33;
    _svm_cur.m_voice_idx = vc;
    _svm_cur.m_tone = voice_struct->m_tone;
    _svm_sreg_buf[vc].m_pitch = note2pitch2(new_note, new_fine);
    _svm_sreg_dirty[vc] |= 4u;
    return 0;
}