108 lines
4.2 KiB
C++
108 lines
4.2 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_CONTEXT_H_
|
|
#define _HEAVY_CONTEXT_H_
|
|
|
|
#include "HeavyContextInterface.hpp"
|
|
#include "HvLightPipe.h"
|
|
#include "HvMessageQueue.h"
|
|
#include "HvMath.h"
|
|
|
|
struct HvTable;
|
|
|
|
class HeavyContext : public HeavyContextInterface {
|
|
|
|
public:
|
|
HeavyContext(double sampleRate, int poolKb=10, int inQueueKb=2, int outQueueKb=0);
|
|
virtual ~HeavyContext();
|
|
|
|
int getSize() override { return (int) numBytes; }
|
|
|
|
double getSampleRate() override { return sampleRate; }
|
|
|
|
hv_uint32_t getCurrentSample() override { return blockStartTimestamp; }
|
|
float samplesToMilliseconds(hv_uint32_t numSamples) override { return (float) (1000.0*numSamples/sampleRate); }
|
|
hv_uint32_t millisecondsToSamples(float ms) override { return (hv_uint32_t) (hv_max_f(0.0f,ms)*sampleRate/1000.0); }
|
|
|
|
void setUserData(void *x) override { userData = x; }
|
|
void *getUserData() override { return userData; }
|
|
|
|
// hook management
|
|
void setSendHook(HvSendHook_t *f) override { sendHook = f; }
|
|
HvSendHook_t *getSendHook() override { return sendHook; }
|
|
|
|
void setPrintHook(HvPrintHook_t *f) override { printHook = f; }
|
|
HvPrintHook_t *getPrintHook() override { return printHook; }
|
|
|
|
// message scheduling
|
|
bool sendMessageToReceiver(hv_uint32_t receiverHash, double delayMs, HvMessage *m) override;
|
|
bool sendMessageToReceiverV(hv_uint32_t receiverHash, double delayMs, const char *fmt, ...) override;
|
|
bool sendFloatToReceiver(hv_uint32_t receiverHash, float f) override;
|
|
bool sendBangToReceiver(hv_uint32_t receiverHash) override;
|
|
bool sendSymbolToReceiver(hv_uint32_t receiverHash, const char *symbol) override;
|
|
bool cancelMessage(HvMessage *m, void (*sendMessage)(HeavyContextInterface *, int, const HvMessage *)) override;
|
|
|
|
// table manipulation
|
|
float *getBufferForTable(hv_uint32_t tableHash) override;
|
|
int getLengthForTable(hv_uint32_t tableHash) override;
|
|
bool setLengthForTable(hv_uint32_t tableHash, hv_uint32_t newSampleLength) override;
|
|
|
|
// lock control
|
|
void lockAcquire() override;
|
|
bool lockTry() override;
|
|
void lockRelease() override;
|
|
|
|
// message queue management
|
|
void setInputMessageQueueSize(int inQueueKb) override;
|
|
void setOutputMessageQueueSize(int outQueueKb) override;
|
|
bool getNextSentMessage(hv_uint32_t *destinationHash, HvMessage *outMsg, hv_size_t msgLength) override;
|
|
|
|
// utility functions
|
|
static hv_uint32_t getHashForString(const char *str);
|
|
|
|
protected:
|
|
virtual HvTable *getTableForHash(hv_uint32_t tableHash) = 0;
|
|
friend HvTable *_hv_table_get(HeavyContextInterface *, hv_uint32_t);
|
|
|
|
virtual void scheduleMessageForReceiver(hv_uint32_t receiverHash, HvMessage *m) = 0;
|
|
friend void _hv_scheduleMessageForReceiver(HeavyContextInterface *, hv_uint32_t, HvMessage *);
|
|
|
|
HvMessage *scheduleMessageForObject(const HvMessage *,
|
|
void (*sendMessage)(HeavyContextInterface *, int, const HvMessage *),
|
|
int);
|
|
friend HvMessage *_hv_scheduleMessageForObject(HeavyContextInterface *, const HvMessage *,
|
|
void (*sendMessage)(HeavyContextInterface *, int, const HvMessage *),
|
|
int);
|
|
|
|
friend void defaultSendHook(HeavyContextInterface *, const char *, hv_uint32_t, const HvMessage *);
|
|
|
|
// object state
|
|
double sampleRate;
|
|
hv_uint32_t blockStartTimestamp;
|
|
hv_size_t numBytes;
|
|
HvMessageQueue mq;
|
|
HvSendHook_t *sendHook;
|
|
HvPrintHook_t *printHook;
|
|
void *userData;
|
|
HvLightPipe inQueue;
|
|
HvLightPipe outQueue;
|
|
hv_atomic_bool inQueueLock;
|
|
hv_atomic_bool outQueueLock;
|
|
};
|
|
|
|
#endif // _HEAVY_CONTEXT_H_
|