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- handled differences of values returned by fluid_settings_...() functions

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FluidSynth 1.x: these functions return 1 on success and 0 otherwise
FluidSynth 2.x: these functions return  FLUID_OK (0) on success and FLUID_FAILED (-1) otherwise
This commit is contained in:
alexey.lysiuk 2019-10-07 12:32:40 +03:00
parent 59f649700f
commit 53949e05f3
1 changed files with 20 additions and 3 deletions
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23
libraries/zmusic/mididevices/music_fluidsynth_mididevice.cpp
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@ -79,8 +79,14 @@ protected:
fluid_synth_t *FluidSynth;
int (*printfunc)(const char*, ...);
// Possible results returned by fluid_settings_...() functions
// Initial values are for FluidSynth 2.x
int FluidSettingsResultOk = FLUID_OK;
int FluidSettingsResultFailed = FLUID_FAILED;
#ifdef DYN_FLUIDSYNTH
enum { FLUID_FAILED = -1, FLUID_OK = 0 };
static TReqProc<FluidSynthModule, void (*)(int *, int*, int*)> fluid_version;
static TReqProc<FluidSynthModule, fluid_settings_t *(*)()> new_fluid_settings;
static TReqProc<FluidSynthModule, fluid_synth_t *(*)(fluid_settings_t *)> new_fluid_synth;
static TReqProc<FluidSynthModule, int (*)(fluid_synth_t *)> delete_fluid_synth;
@ -178,6 +184,16 @@ FluidSynthMIDIDevice::FluidSynthMIDIDevice(int samplerate, std::vector<std::stri
throw std::runtime_error("Failed to load FluidSynth.\n");
}
#endif
int major = 0, minor = 0, micro = 0;
fluid_version(&major, &minor, &micro);
if (major < 2)
{
// FluidSynth 1.x: fluid_settings_...() functions return 1 on success and 0 otherwise
FluidSettingsResultOk = 1;
FluidSettingsResultFailed = 0;
}
FluidSettings = new_fluid_settings();
if (FluidSettings == NULL)
{
@ -380,7 +396,7 @@ void FluidSynthMIDIDevice::ChangeSettingInt(const char *setting, int value)
if (printfunc) printfunc("Setting polyphony to %d failed.\n", value);
}
}
else if (0 == fluid_settings_setint(FluidSettings, setting, value))
else if (FluidSettingsResultFailed == fluid_settings_setint(FluidSettings, setting, value))
{
if (printfunc) printfunc("Failed to set %s to %d.\n", setting, value);
}
@ -419,7 +435,7 @@ void FluidSynthMIDIDevice::ChangeSettingNum(const char *setting, double value)
{
fluid_synth_set_chorus(FluidSynth, fluidConfig.fluid_chorus_voices, fluidConfig.fluid_chorus_level, fluidConfig.fluid_chorus_speed, fluidConfig.fluid_chorus_depth, fluidConfig.fluid_chorus_type);
}
else if (0 == fluid_settings_setnum(FluidSettings, setting, value))
else if (FluidSettingsResultFailed == fluid_settings_setnum(FluidSettings, setting, value))
{
if (printfunc) printfunc("Failed to set %s to %g.\n", setting, value);
}
@ -442,7 +458,7 @@ void FluidSynthMIDIDevice::ChangeSettingString(const char *setting, const char *
}
setting += 11;
if (0 == fluid_settings_setstr(FluidSettings, setting, value))
if (FluidSettingsResultFailed == fluid_settings_setstr(FluidSettings, setting, value))
{
if (printfunc) printfunc("Failed to set %s to %s.\n", setting, value);
}
@ -489,6 +505,7 @@ std::string FluidSynthMIDIDevice::GetStats()
FModuleMaybe<DYN_FLUIDSYNTH> FluidSynthModule{"FluidSynth"};
#define DYN_FLUID_SYM(x) decltype(FluidSynthMIDIDevice::x) FluidSynthMIDIDevice::x{#x}
DYN_FLUID_SYM(fluid_version);
DYN_FLUID_SYM(new_fluid_settings);
DYN_FLUID_SYM(new_fluid_synth);
DYN_FLUID_SYM(delete_fluid_synth);