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convert to miles 6.5 volume api

This commit is contained in:
cxgeorge 2002-09-29 05:52:06 +00:00
parent 4784897b02
commit 84ebd035ad
1 changed files with 31 additions and 9 deletions
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40
panda/src/audiotraits/milesAudioSound.cxx
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@ -24,6 +24,10 @@
#define NEED_MILES_LENGTH_WORKAROUND
#if (MSS_MAJOR_VERSION >= 6) && (MSS_MINOR_VERSION >= 5)
#define MILES_6_5
#endif
#ifndef NDEBUG //[
namespace {
char
@ -156,22 +160,40 @@ set_volume(float volume) {
_volume=volume;
// Account for the category of sound:
volume*=_manager->get_volume();
// Change to Miles volume, range 0 to 127:
S32 milesVolume=((S32)(127*volume))%128;
#ifdef MILES_6_5
// Change to Miles volume, range 0 to 1.0:
F32 milesVolume=volume;
milesVolume=min(milesVolume,1.0f);
milesVolume=max(milesVolume,0.0f);
#else
// Change to Miles volume, range 0 to 127:
S32 milesVolume=((S32)(127*volume))%128;
#endif
// Account for type:
S32 audioType=AIL_quick_type(_audio);
if (audioType==AIL_QUICK_XMIDI_TYPE
||
audioType==AIL_QUICK_DLS_XMIDI_TYPE) {
if ((audioType==AIL_QUICK_XMIDI_TYPE) || (audioType==AIL_QUICK_DLS_XMIDI_TYPE)) {
// ...it's a midi file.
AIL_quick_set_volume(_audio, milesVolume, 0); // 0 delay.
// 0 delay, set to this volume immediately
#ifdef MILES_6_5
F32 midiVolDelay =0.0f;
#else
S32 midiVolDelay =0;
#endif
AIL_quick_set_volume(_audio, milesVolume, midiVolDelay);
audio_debug(" volume for this midi is now "<<milesVolume);
} else {
// ...it's a wav or mp3.
// Convert balance of -1.0..1.0 to 0..127:
S32 milesBalance=((S32)(63.5f*(_balance+1.0f)))%128;
#ifdef MILES_6_5
// Convert balance of -1.0..1.0 to 0-1.0:
F32 milesBalance=(F32)((_balance+1.0f)*0.5f);
#else
// Convert balance of -1.0..1.0 to 0..127:
S32 milesBalance=((S32)(63.5f*(_balance+1.0f)))%128;
#endif
AIL_quick_set_volume(_audio, milesVolume, milesBalance);
audio_debug(" volume for this wav or mp3 is now "<<milesVolume
audio_debug(" volume for this wav or mp3 is now " << milesVolume
<<", balance="<<milesBalance);
}
}