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get_hostinfo vst3 for the plugin too

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This commit is contained in:
Paolo Marrone 2025-09-22 16:30:43 +02:00
parent 2179986eec
commit 04187631ab
2 changed files with 31 additions and 14 deletions
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43
templates/vst3/src/vst3.c
View File

@ -166,6 +166,20 @@ static const char * getDatadirCb(void *handle) {
return datadir; return datadir;
} }
static void save_host_name(Steinberg_FUnknown *context, char dest[128]) {
Steinberg_Vst_IHostApplication *app = (Steinberg_Vst_IHostApplication*) context;
Steinberg_Vst_String128 s;
app->lpVtbl->getName(app, s);
dest[0] = '\0';
// Dumb casting from char16 to char8
for (int i = 0; i < 128; i++) {
dest[i] = s[i];
if (!s[i])
break;
}
TRACE("save_host_name, hostName = %s\n", dest);
}
static double clamp(double x, double m, double M) { static double clamp(double x, double m, double M) {
return x < m ? m : (x > M ? M : x); return x < m ? m : (x > M ? M : x);
} }
@ -308,11 +322,17 @@ typedef struct pluginInstance {
#endif #endif
void * mem; void * mem;
struct Steinberg_IBStream * state; struct Steinberg_IBStream * state;
char hostName[128];
} pluginInstance; } pluginInstance;
static Steinberg_Vst_IComponentVtbl pluginVtblIComponent; static Steinberg_Vst_IComponentVtbl pluginVtblIComponent;
static Steinberg_Vst_IAudioProcessorVtbl pluginVtblIAudioProcessor; static Steinberg_Vst_IAudioProcessorVtbl pluginVtblIAudioProcessor;
const char* getHostinfoCb(void *handle) {
pluginInstance *p = (pluginInstance *)handle;
return p->hostName;
}
static void pluginStateLockCb(void *handle) { static void pluginStateLockCb(void *handle) {
pluginInstance *p = (pluginInstance *)handle; pluginInstance *p = (pluginInstance *)handle;
while (atomic_flag_test_and_set(&p->syncLockFlag)) while (atomic_flag_test_and_set(&p->syncLockFlag))
@ -414,6 +434,9 @@ static Steinberg_tresult pluginInitialize(void *thisInterface, struct Steinberg_
if (p->context != NULL) if (p->context != NULL)
return Steinberg_kResultFalse; return Steinberg_kResultFalse;
p->context = context; p->context = context;
save_host_name(context, p->hostName);
p->lastSampleRate = 0.f; p->lastSampleRate = 0.f;
p->curSampleRate = 0.f; p->curSampleRate = 0.f;
p->nextSampleRate = 0.f; p->nextSampleRate = 0.f;
@ -422,7 +445,8 @@ static Steinberg_tresult pluginInitialize(void *thisInterface, struct Steinberg_
/* .handle = */ (void *)p, /* .handle = */ (void *)p,
/* .format = */ "vst3", /* .format = */ "vst3",
/* .get_bindir = */ getBindirCb, /* .get_bindir = */ getBindirCb,
/* .get_datadir = */ getDatadirCb /* .get_datadir = */ getDatadirCb,
/* .get_hostinfo = */ getHostinfoCb
}; };
plugin_init(&p->p, &cbs); plugin_init(&p->p, &cbs);
#if DATA_PRODUCT_PARAMETERS_IN_N > 0 #if DATA_PRODUCT_PARAMETERS_IN_N > 0
@ -1475,7 +1499,7 @@ static void plugViewTimerCb(HWND p1, UINT p2, UINT_PTR p3, DWORD p4) {
} }
# endif # endif
const char* get_hostinfo(void *handle) { const char* UIgetHostinfoCb(void *handle) {
plugView *v = (plugView *)handle; plugView *v = (plugView *)handle;
return v->ctrl->hostName; return v->ctrl->hostName;
} }
@ -1496,7 +1520,7 @@ static Steinberg_tresult plugViewAttached(void* thisInterface, void* parent, Ste
/* .format = */ "vst3", /* .format = */ "vst3",
/* .get_bindir = */ getBindirCb, /* .get_bindir = */ getBindirCb,
/* .get_datadir = */ getDatadirCb, /* .get_datadir = */ getDatadirCb,
/* .get_hostinfo = */ get_hostinfo, /* .get_hostinfo = */ UIgetHostinfoCb,
# if DATA_PRODUCT_PARAMETERS_N > 0 # if DATA_PRODUCT_PARAMETERS_N > 0
/* .set_parameter_begin = */ plugViewSetParameterBeginCb, /* .set_parameter_begin = */ plugViewSetParameterBeginCb,
/* .set_parameter = */ plugViewSetParameterCb, /* .set_parameter = */ plugViewSetParameterCb,
@ -1828,17 +1852,7 @@ static Steinberg_tresult controllerInitialize(void* thisInterface, struct Steinb
return Steinberg_kResultFalse; return Steinberg_kResultFalse;
c->context = context; c->context = context;
Steinberg_Vst_IHostApplication *app = (Steinberg_Vst_IHostApplication*) context; save_host_name(context, c->hostName);
Steinberg_Vst_String128 s;
app->lpVtbl->getName(app, s);
c->hostName[0] = '\0';
// Dumb casting from char16 to char8
for (int i = 0; i < 128; i++) {
c->hostName[i] = s[i];
if (!s[i])
break;
}
TRACE("controller initialize, hostName = %s\n", c->hostName);
#if DATA_PRODUCT_PARAMETERS_IN_N > 0 #if DATA_PRODUCT_PARAMETERS_IN_N > 0
for (int i = 0; i < DATA_PRODUCT_PARAMETERS_IN_N; i++) for (int i = 0; i < DATA_PRODUCT_PARAMETERS_IN_N; i++)
@ -2556,6 +2570,7 @@ static Steinberg_tresult factoryGetClassInfoUnicode(void* thisInterface, Steinbe
} }
// You need this only if you need the hostname (or create host related objects) at factory stage // You need this only if you need the hostname (or create host related objects) at factory stage
// I tried and this does not get called consistently
static Steinberg_tresult factorySetHostContext(void* thisInterface, struct Steinberg_FUnknown* context) { static Steinberg_tresult factorySetHostContext(void* thisInterface, struct Steinberg_FUnknown* context) {
(void)thisInterface; (void)thisInterface;
(void)context; (void)context;

2
test/plugin.h
View File

@ -18,6 +18,7 @@
* File author: Stefano D'Angelo * File author: Stefano D'Angelo
*/ */
#include <stdio.h>
#include <stdint.h> #include <stdint.h>
typedef struct plugin { typedef struct plugin {
@ -37,6 +38,7 @@ typedef struct plugin {
} plugin; } plugin;
static void plugin_init(plugin *instance, const plugin_callbacks *cbs) { static void plugin_init(plugin *instance, const plugin_callbacks *cbs) {
printf("plugin_init; hostinfo: %s\n", cbs->get_hostinfo(cbs->handle));
(void)instance; (void)instance;
(void)cbs; (void)cbs;
} }