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Significant progress on parameters

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Xaymar
2025-08-05 04:31:40 +02:00
parent 1e6b6e51ed
commit 21a22b8dcb
1 changed files with 74 additions and 23 deletions
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vst.h
+74 -23
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@@ -65,7 +65,7 @@ enum VST_STATUS {
*/
enum VST_BUFFER_SIZE {
VST_BUFFER_SIZE_PARAM_LABEL = 8,
VST_BUFFER_SIZE_PARAM_LONG_LABEL = 64,
VST_BUFFER_SIZE_PARAM_LONG_NAME = 64,
VST_BUFFER_SIZE_PARAM_NAME = 8,
VST_BUFFER_SIZE_PARAM_VALUE = 8,
VST_BUFFER_SIZE_PROGRAM_NAME = 24,
@@ -104,33 +104,45 @@ struct vst_rect {
int16_t right;
};
enum VST_PARAMETER_FLAGS {
/**
* Parameter is an on/off switch.
enum VST_PARAMETER_FLAG {
/** Parameter is an on/off switch.
*
*/
VST_PARAMETER_FLAGS_SWITCH = 1,
/**
* Limits defined by integers.
VST_PARAMETER_FLAG_SWITCH = 1,
/** Parameter limits are set as integers.
*
*/
VST_PARAMETER_FLAGS_INTEGER_LIMITS = 1 << 1,
/**
* Uses float steps.
VST_PARAMETER_FLAG_INTEGER_LIMITS = 1 << 1,
/** Parameter uses float steps.
*
*/
VST_PARAMETER_FLAGS_STEP_FLOAT = 1 << 2,
/**
* Uses integer steps.
VST_PARAMETER_FLAG_STEP_FLOAT = 1 << 2,
/** Parameter uses integer steps.
*
*/
VST_PARAMETER_FLAGS_STEP_INT = 1 << 3,
/**
* Respect index variable for display ordering.
VST_PARAMETER_FLAG_STEP_INT = 1 << 3,
/** Parameter has an display order index for the default editor.
*
* Only applies to the default editor.
*/
VST_PARAMETER_FLAGS_INDEX = 1 << 4,
/**
* Respect category value and names.
VST_PARAMETER_FLAG_INDEX = 1 << 4,
/** Parameter has a category for the default editor.
*
* Only applies to the default editor.
*/
VST_PARAMETER_FLAGS_CATEGORY = 1 << 5,
VST_PARAMETER_FLAGS_UNKNOWN6 = 1 << 6,
_VST_PARAMETER_FLAGS_PAD = 0xFFFFFFFFul,
VST_PARAMETER_FLAG_CATEGORY = 1 << 5,
/** Parameter can be gradually increased/decreased.
*
*/
VST_PARAMETER_FLAG_RAMPING = 1 << 6,
_VST_PARAMETER_FLAG_PAD = 0xFFFFFFFFul,
};
struct vst_parameter_properties_t {
@@ -138,21 +150,60 @@ struct vst_parameter_properties_t {
float step_small_f32;
float step_large_f32;
char name[VST_BUFFER_SIZE_PARAM_LONG_LABEL];
/** Human-readable name for this parameter.
*
* Note: Only applies to the default editor.
*/
char name[VST_BUFFER_SIZE_PARAM_LONG_NAME];
/** Parameter Flags
*
* Any combination of VST_PARAMETER_FLAGS.
*/
uint32_t flags;
int32_t min_value_i32;
int32_t max_value_i32;
int32_t step_i32;
/** Short Human-readable label for this parameter.
*
* I have no idea why this exists?
* Note: Only applies to the default editor.
*/
char label[VST_BUFFER_SIZE_PARAM_LABEL];
/**
*
* Note: Only applies to the default editor.
* Note: Valid if VST_PARAMETER_FLAG_INDEX is set.
*/
uint16_t index;
/** Category index
*
* Must either be 0 for no category, or any number increasing from 1 onwards.
*
* Note: Only applies to the default editor.
* Note: Valid if VST_PARAMETER_FLAG_CATEGORY is set.
*/
uint16_t category;
/** How many parameters are in this category?
*
* Question: Can't the host just figure this out by itself?!
* Note: Only applies to the default editor.
* Note: Valid if VST_PARAMETER_FLAG_CATEGORY is set.
*/
uint16_t num_parameters_in_category;
uint16_t _unknown_00 = 0; // Must be set to 0.
/** Human-readable name for the category this parameter is in.
*
* Note: Only applies to the default editor.
* Note: Valid if VST_PARAMETER_FLAG_CATEGORY is set.
*/
char category_label[VST_BUFFER_SIZE_CATEGORY_LABEL];
char _reserved[16]; // Reserved for future expansions?