434 lines
16 KiB
C
434 lines
16 KiB
C
|
/**
|
||
|
|
* Copyright (c) 2014-2018 Enzien Audio Ltd.
|
||
|
|
*
|
||
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
||
|
|
* purpose with or without fee is hereby granted, provided that the above
|
||
|
|
* copyright notice and this permission notice appear in all copies.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
|
||
|
|
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
|
||
|
|
* AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
|
||
|
|
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
|
||
|
|
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
|
||
|
|
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
|
||
|
|
* PERFORMANCE OF THIS SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _HEAVY_H_
|
||
|
|
#define _HEAVY_H_
|
||
|
|
|
||
|
|
#include "HvUtils.h"
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef _HEAVY_DECLARATIONS_
|
||
|
|
#define _HEAVY_DECLARATIONS_
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
class HeavyContextInterface;
|
||
|
|
#else
|
||
|
|
typedef struct HeavyContextInterface HeavyContextInterface;
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct HvMessage HvMessage;
|
||
|
|
|
||
|
|
typedef enum {
|
||
|
|
HV_PARAM_TYPE_PARAMETER_IN,
|
||
|
|
HV_PARAM_TYPE_PARAMETER_OUT,
|
||
|
|
HV_PARAM_TYPE_EVENT_IN,
|
||
|
|
HV_PARAM_TYPE_EVENT_OUT
|
||
|
|
} HvParameterType;
|
||
|
|
|
||
|
|
typedef struct HvParameterInfo {
|
||
|
|
const char *name; // the human readable parameter name
|
||
|
|
hv_uint32_t hash; // an integer identified used by heavy for this parameter
|
||
|
|
HvParameterType type; // type of this parameter
|
||
|
|
float minVal; // the minimum value of this parameter
|
||
|
|
float maxVal; // the maximum value of this parameter
|
||
|
|
float defaultVal; // the default value of this parameter
|
||
|
|
} HvParameterInfo;
|
||
|
|
|
||
|
|
typedef void (HvSendHook_t) (HeavyContextInterface *context, const char *sendName, hv_uint32_t sendHash, const HvMessage *msg);
|
||
|
|
typedef void (HvPrintHook_t) (HeavyContextInterface *context, const char *printName, const char *str, const HvMessage *msg);
|
||
|
|
|
||
|
|
#endif // _HEAVY_DECLARATIONS_
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if HV_APPLE
|
||
|
|
#pragma mark - Heavy Context
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/** Deletes a patch instance. */
|
||
|
|
void hv_delete(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if HV_APPLE
|
||
|
|
#pragma mark - Heavy Process
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Processes one block of samples for a patch instance. The buffer format is an array of float channel arrays.
|
||
|
|
* If the context has not input or output channels, the respective argument may be NULL.
|
||
|
|
* The number of samples to to tbe processed should be a multiple of 1, 4, or 8, depending on if
|
||
|
|
* no, SSE or NEON, or AVX optimisation is being used, respectively.
|
||
|
|
* e.g. [[LLLL][RRRR]]
|
||
|
|
* This function support in-place processing.
|
||
|
|
*
|
||
|
|
* @return The number of samples processed.
|
||
|
|
*
|
||
|
|
* This function is NOT thread-safe. It is assumed that only the audio thread will execute this function.
|
||
|
|
*/
|
||
|
|
int hv_process(HeavyContextInterface *c, float **inputBuffers, float **outputBuffers, int n);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Processes one block of samples for a patch instance. The buffer format is an uninterleaved float array of channels.
|
||
|
|
* If the context has not input or output channels, the respective argument may be NULL.
|
||
|
|
* The number of samples to to tbe processed should be a multiple of 1, 4, or 8, depending on if
|
||
|
|
* no, SSE or NEON, or AVX optimisation is being used, respectively.
|
||
|
|
* e.g. [LLLLRRRR]
|
||
|
|
* This function support in-place processing.
|
||
|
|
*
|
||
|
|
* @return The number of samples processed.
|
||
|
|
*
|
||
|
|
* This function is NOT thread-safe. It is assumed that only the audio thread will execute this function.
|
||
|
|
*/
|
||
|
|
int hv_processInline(HeavyContextInterface *c, float *inputBuffers, float *outputBuffers, int n);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Processes one block of samples for a patch instance. The buffer format is an interleaved float array of channels.
|
||
|
|
* If the context has not input or output channels, the respective argument may be NULL.
|
||
|
|
* The number of samples to to tbe processed should be a multiple of 1, 4, or 8, depending on if
|
||
|
|
* no, SSE or NEON, or AVX optimisation is being used, respectively.
|
||
|
|
* e.g. [LRLRLRLR]
|
||
|
|
* This function support in-place processing.
|
||
|
|
*
|
||
|
|
* @return The number of samples processed.
|
||
|
|
*
|
||
|
|
* This function is NOT thread-safe. It is assumed that only the audio thread will execute this function.
|
||
|
|
*/
|
||
|
|
int hv_processInlineInterleaved(HeavyContextInterface *c, float *inputBuffers, float *outputBuffers, int n);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if HV_APPLE
|
||
|
|
#pragma mark - Heavy Common
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the total size in bytes of the context.
|
||
|
|
* This value may change if tables are resized.
|
||
|
|
*/
|
||
|
|
int hv_getSize(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/** Returns the sample rate with which this context has been configured. */
|
||
|
|
double hv_getSampleRate(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/** Returns the number of input channels with which this context has been configured. */
|
||
|
|
int hv_getNumInputChannels(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/** Returns the number of output channels with which this context has been configured. */
|
||
|
|
int hv_getNumOutputChannels(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/** Set the print hook. The function is called whenever a message is sent to a print object. */
|
||
|
|
void hv_setPrintHook(HeavyContextInterface *c, HvPrintHook_t *f);
|
||
|
|
|
||
|
|
/** Returns the print hook, or NULL. */
|
||
|
|
HvPrintHook_t *hv_getPrintHook(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the send hook. The function is called whenever a message is sent to any send object.
|
||
|
|
* Messages returned by this function should NEVER be freed. If the message must persist, call
|
||
|
|
* hv_msg_copy() first.
|
||
|
|
*/
|
||
|
|
void hv_setSendHook(HeavyContextInterface *c, HvSendHook_t *f);
|
||
|
|
|
||
|
|
/** Returns a 32-bit hash of any string. Returns 0 if string is NULL. */
|
||
|
|
hv_uint32_t hv_stringToHash(const char *s);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A convenience function to send a bang to a receiver to be processed immediately.
|
||
|
|
* The receiver is addressed with its hash, which can also be determined using hv_stringToHash().
|
||
|
|
* This function is thread-safe.
|
||
|
|
*
|
||
|
|
* @return True if the message was accepted. False if the message could not fit onto
|
||
|
|
* the message queue to be processed this block.
|
||
|
|
*/
|
||
|
|
bool hv_sendBangToReceiver(HeavyContextInterface *c, hv_uint32_t receiverHash);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A convenience function to send a float to a receiver to be processed immediately.
|
||
|
|
* The receiver is addressed with its hash, which can also be determined using hv_stringToHash().
|
||
|
|
* This function is thread-safe.
|
||
|
|
*
|
||
|
|
* @return True if the message was accepted. False if the message could not fit onto
|
||
|
|
* the message queue to be processed this block.
|
||
|
|
*/
|
||
|
|
bool hv_sendFloatToReceiver(HeavyContextInterface *c, hv_uint32_t receiverHash, const float x);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A convenience function to send a symbol to a receiver to be processed immediately.
|
||
|
|
* The receiver is addressed with its hash, which can also be determined using hv_stringToHash().
|
||
|
|
* This function is thread-safe.
|
||
|
|
*
|
||
|
|
* @return True if the message was accepted. False if the message could not fit onto
|
||
|
|
* the message queue to be processed this block.
|
||
|
|
*/
|
||
|
|
bool hv_sendSymbolToReceiver(HeavyContextInterface *c, hv_uint32_t receiverHash, char *s);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends a formatted message to a receiver that can be scheduled for the future.
|
||
|
|
* The receiver is addressed with its hash, which can also be determined using hv_stringToHash().
|
||
|
|
* This function is thread-safe.
|
||
|
|
*
|
||
|
|
* @return True if the message was accepted. False if the message could not fit onto
|
||
|
|
* the message queue to be processed this block.
|
||
|
|
*/
|
||
|
|
bool hv_sendMessageToReceiverV(HeavyContextInterface *c, hv_uint32_t receiverHash, double delayMs, const char *format, ...);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends a fixed formatted message of two floats to a receiver that can be scheduled for the future.
|
||
|
|
* The receiver is addressed with its hash, which can also be determined using hv_stringToHash().
|
||
|
|
* This function is thread-safe.
|
||
|
|
*
|
||
|
|
* @return True if the message was accepted. False if the message could not fit onto
|
||
|
|
* the message queue to be processed this block.
|
||
|
|
*/
|
||
|
|
bool hv_sendMessageToReceiverFF(HeavyContextInterface *c, hv_uint32_t receiverHash, double delayMs, double data1, double data2);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends a fixed formatted message of three floats to a receiver that can be scheduled for the future.
|
||
|
|
* The receiver is addressed with its hash, which can also be determined using hv_stringToHash().
|
||
|
|
* This function is thread-safe.
|
||
|
|
*
|
||
|
|
* @return True if the message was accepted. False if the message could not fit onto
|
||
|
|
* the message queue to be processed this block.
|
||
|
|
*/
|
||
|
|
bool hv_sendMessageToReceiverFFF(HeavyContextInterface *c, hv_uint32_t receiverHash, double delayMs, double data1, double data2, double data3);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sends a message to a receiver that can be scheduled for the future.
|
||
|
|
* The receiver is addressed with its hash, which can also be determined using hv_stringToHash().
|
||
|
|
* This function is thread-safe.
|
||
|
|
*
|
||
|
|
* @return True if the message was accepted. False if the message could not fit onto
|
||
|
|
* the message queue to be processed this block.
|
||
|
|
*/
|
||
|
|
bool hv_sendMessageToReceiver(HeavyContextInterface *c, hv_uint32_t receiverHash, double delayMs, HvMessage *m);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Cancels a previously scheduled message.
|
||
|
|
*
|
||
|
|
* @param sendMessage May be NULL.
|
||
|
|
*/
|
||
|
|
void hv_cancelMessage(HeavyContextInterface *c, HvMessage *m, void (*sendMessage)(HeavyContextInterface *, int, const HvMessage *));
|
||
|
|
|
||
|
|
/** Returns the read-only user-assigned name of this patch. */
|
||
|
|
const char *hv_getName(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/** Sets a user-definable value. This value is never manipulated by Heavy. */
|
||
|
|
void hv_setUserData(HeavyContextInterface *c, void *userData);
|
||
|
|
|
||
|
|
/** Returns the user-defined data. */
|
||
|
|
void *hv_getUserData(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/** Returns the current patch time in milliseconds. This value may have rounding errors. */
|
||
|
|
double hv_getCurrentTime(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/** Returns the current patch time in samples. This value is always exact. */
|
||
|
|
hv_uint32_t hv_getCurrentSample(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns information about each parameter such as name, hash, and range.
|
||
|
|
* The total number of parameters is always returned.
|
||
|
|
*
|
||
|
|
* @param index The parameter index.
|
||
|
|
* @param info A pointer to a HvParameterInfo struct. May be null.
|
||
|
|
*
|
||
|
|
* @return The total number of parameters.
|
||
|
|
*/
|
||
|
|
int hv_getParameterInfo(HeavyContextInterface *c, int index, HvParameterInfo *info);
|
||
|
|
|
||
|
|
/** */
|
||
|
|
float hv_samplesToMilliseconds(HeavyContextInterface *c, hv_uint32_t numSamples);
|
||
|
|
|
||
|
|
/** Converts milliseconds to samples. Input is limited to non-negative range. */
|
||
|
|
hv_uint32_t hv_millisecondsToSamples(HeavyContextInterface *c, float ms);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Acquire the input message queue lock.
|
||
|
|
*
|
||
|
|
* This function will block until the message lock as been acquired.
|
||
|
|
* Typical applications will not require the use of this function.
|
||
|
|
*
|
||
|
|
* @param c A Heavy context.
|
||
|
|
*/
|
||
|
|
void hv_lock_acquire(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Try to acquire the input message queue lock.
|
||
|
|
*
|
||
|
|
* If the lock has been acquired, hv_lock_release() must be called to release it.
|
||
|
|
* Typical applications will not require the use of this function.
|
||
|
|
*
|
||
|
|
* @param c A Heavy context.
|
||
|
|
*
|
||
|
|
* @return Returns true if the lock has been acquired, false otherwise.
|
||
|
|
*/
|
||
|
|
bool hv_lock_try(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Release the input message queue lock.
|
||
|
|
*
|
||
|
|
* Typical applications will not require the use of this function.
|
||
|
|
*
|
||
|
|
* @param c A Heavy context.
|
||
|
|
*/
|
||
|
|
void hv_lock_release(HeavyContextInterface *c);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the size of the input message queue in kilobytes.
|
||
|
|
*
|
||
|
|
* The buffer is reset and all existing contents are lost on resize.
|
||
|
|
*
|
||
|
|
* @param c A Heavy context.
|
||
|
|
* @param inQueueKb Must be positive i.e. at least one.
|
||
|
|
*/
|
||
|
|
void hv_setInputMessageQueueSize(HeavyContextInterface *c, hv_uint32_t inQueueKb);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the size of the output message queue in kilobytes.
|
||
|
|
*
|
||
|
|
* The buffer is reset and all existing contents are lost on resize.
|
||
|
|
* Only the default sendhook uses the outgoing message queue. If the default
|
||
|
|
* sendhook is not being used, then this function is not useful.
|
||
|
|
*
|
||
|
|
* @param c A Heavy context.
|
||
|
|
* @param outQueueKb Must be postive i.e. at least one.
|
||
|
|
*/
|
||
|
|
void hv_setOutputMessageQueueSize(HeavyContextInterface *c, hv_uint32_t outQueueKb);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the next message in the outgoing queue, will also consume the message.
|
||
|
|
* Returns false if there are no messages.
|
||
|
|
*
|
||
|
|
* @param c A Heavy context.
|
||
|
|
* @param destinationHash a hash of the name of the receiver the message was sent to.
|
||
|
|
* @param outMsg message pointer that is filled by the next message contents.
|
||
|
|
* @param msgLength length of outMsg in bytes.
|
||
|
|
*
|
||
|
|
* @return True if there is a message in the outgoing queue.
|
||
|
|
*/
|
||
|
|
bool hv_getNextSentMessage(HeavyContextInterface *c, hv_uint32_t *destinationHash, HvMessage *outMsg, hv_uint32_t msgLength);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if HV_APPLE
|
||
|
|
#pragma mark - Heavy Message
|
||
|
|
#endif
|
||
|
|
|
||
|
|
typedef struct HvMessage HvMessage;
|
||
|
|
|
||
|
|
/** Returns the total size in bytes of a HvMessage with a number of elements on the heap. */
|
||
|
|
unsigned long hv_msg_getByteSize(hv_uint32_t numElements);
|
||
|
|
|
||
|
|
/** Initialise a HvMessage structure with the number of elements and a timestamp (in samples). */
|
||
|
|
void hv_msg_init(HvMessage *m, int numElements, hv_uint32_t timestamp);
|
||
|
|
|
||
|
|
/** Returns the number of elements in this message. */
|
||
|
|
unsigned long hv_msg_getNumElements(const HvMessage *m);
|
||
|
|
|
||
|
|
/** Returns the time at which this message exists (in samples). */
|
||
|
|
hv_uint32_t hv_msg_getTimestamp(const HvMessage *m);
|
||
|
|
|
||
|
|
/** Set the time at which this message should be executed (in samples). */
|
||
|
|
void hv_msg_setTimestamp(HvMessage *m, hv_uint32_t timestamp);
|
||
|
|
|
||
|
|
/** Returns true of the indexed element is a bang. False otherwise. Index is not bounds checked. */
|
||
|
|
bool hv_msg_isBang(const HvMessage *const m, int i);
|
||
|
|
|
||
|
|
/** Sets the indexed element to a bang. Index is not bounds checked. */
|
||
|
|
void hv_msg_setBang(HvMessage *m, int i);
|
||
|
|
|
||
|
|
/** Returns true of the indexed element is a float. False otherwise. Index is not bounds checked. */
|
||
|
|
bool hv_msg_isFloat(const HvMessage *const m, int i);
|
||
|
|
|
||
|
|
/** Returns the indexed element as a float value. Index is not bounds checked. */
|
||
|
|
float hv_msg_getFloat(const HvMessage *const m, int i);
|
||
|
|
|
||
|
|
/** Sets the indexed element to float value. Index is not bounds checked. */
|
||
|
|
void hv_msg_setFloat(HvMessage *m, int i, float f);
|
||
|
|
|
||
|
|
/** Returns true of the indexed element is a symbol. False otherwise. Index is not bounds checked. */
|
||
|
|
bool hv_msg_isSymbol(const HvMessage *const m, int i);
|
||
|
|
|
||
|
|
/** Returns the indexed element as a symbol value. Index is not bounds checked. */
|
||
|
|
const char *hv_msg_getSymbol(const HvMessage *const m, int i);
|
||
|
|
|
||
|
|
/** Returns true of the indexed element is a hash. False otherwise. Index is not bounds checked. */
|
||
|
|
bool hv_msg_isHash(const HvMessage *const m, int i);
|
||
|
|
|
||
|
|
/** Returns the indexed element as a hash value. Index is not bounds checked. */
|
||
|
|
hv_uint32_t hv_msg_getHash(const HvMessage *const m, int i);
|
||
|
|
|
||
|
|
/** Sets the indexed element to symbol value. Index is not bounds checked. */
|
||
|
|
void hv_msg_setSymbol(HvMessage *m, int i, const char *s);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns true if the message has the given format, in number of elements and type. False otherwise.
|
||
|
|
* Valid element types are:
|
||
|
|
* 'b': bang
|
||
|
|
* 'f': float
|
||
|
|
* 's': symbol
|
||
|
|
*
|
||
|
|
* For example, a message with three floats would have a format of "fff". A single bang is "b".
|
||
|
|
* A message with two symbols is "ss". These types can be mixed and matched in any way.
|
||
|
|
*/
|
||
|
|
bool hv_msg_hasFormat(const HvMessage *const m, const char *fmt);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a basic string representation of the message.
|
||
|
|
* The character array MUST be deallocated by the caller.
|
||
|
|
*/
|
||
|
|
char *hv_msg_toString(const HvMessage *const m);
|
||
|
|
|
||
|
|
/** Copy a message onto the stack. The message persists. */
|
||
|
|
HvMessage *hv_msg_copy(const HvMessage *const m);
|
||
|
|
|
||
|
|
/** Free a copied message. */
|
||
|
|
void hv_msg_free(HvMessage *m);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if HV_APPLE
|
||
|
|
#pragma mark - Heavy Table
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resizes the table to the given length.
|
||
|
|
*
|
||
|
|
* Existing contents are copied to the new table. Remaining space is cleared
|
||
|
|
* if the table is longer than the original, truncated otherwise.
|
||
|
|
*
|
||
|
|
* @param tableHash The table identifier.
|
||
|
|
* @param newSampleLength The new length of the table, in samples. Must be positive.
|
||
|
|
*
|
||
|
|
* @return False if the table could not be found. True otherwise.
|
||
|
|
*/
|
||
|
|
bool hv_table_setLength(HeavyContextInterface *c, hv_uint32_t tableHash, hv_uint32_t newSampleLength);
|
||
|
|
|
||
|
|
/** Returns a pointer to the raw buffer backing this table. DO NOT free it. */
|
||
|
|
float *hv_table_getBuffer(HeavyContextInterface *c, hv_uint32_t tableHash);
|
||
|
|
|
||
|
|
/** Returns the length of this table in samples. */
|
||
|
|
hv_uint32_t hv_table_getLength(HeavyContextInterface *c, hv_uint32_t tableHash);
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
} // extern "C"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif // _HEAVY_H_
|