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asio.c
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asio.c
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/*
* Copyright (C) 2006 Robert Reif
* Portions copyright (C) 2007 Ralf Beck
* Portions copyright (C) 2007 Johnny Petrantoni
* Portions copyright (C) 2007 Stephane Letz
* Portions copyright (C) 2008 William Steidtmann
* Portions copyright (C) 2010 Peter L Jones
* Portions copyright (C) 2010 Torben Hohn
* Portions copyright (C) 2010 Nedko Arnaudov
* Portions copyright (C) 2013 Joakim Hernberg
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdio.h>
#include <errno.h>
#include <limits.h>
#include <unistd.h>
#include <sys/mman.h>
#include <pthread.h>
#include <jack/jack.h>
#include <jack/thread.h>
#include "wine/debug.h"
#include "objbase.h"
#include "mmsystem.h"
#include "winreg.h"
#include "wine/unicode.h"
#define IEEE754_64FLOAT 1
#undef NATIVE_INT64
#include "asio.h"
#define NATIVE_INT64
WINE_DEFAULT_DEBUG_CHANNEL(asio);
#define MAX_ENVIRONMENT_SIZE 6
#define ASIO_MAX_NAME_LENGTH 32
#define ASIO_MINIMUM_BUFFERSIZE 16
#define ASIO_MAXIMUM_BUFFERSIZE 8192
#define ASIO_PREFERRED_BUFFERSIZE 1024
/* ASIO drivers (breaking the COM specification) use the Microsoft variety of
* thiscall calling convention which gcc is unable to produce. These macros
* add an extra layer to fixup the registers. Borrowed from config.h and the
* wine source code.
*/
/* From config.h */
#define __ASM_DEFINE_FUNC(name,suffix,code) asm(".text\n\t.align 4\n\t.globl " #name suffix "\n\t.type " #name suffix ",@function\n" #name suffix ":\n\t.cfi_startproc\n\t" code "\n\t.cfi_endproc\n\t.previous");
#define __ASM_GLOBAL_FUNC(name,code) __ASM_DEFINE_FUNC(name,"",code)
#define __ASM_NAME(name) name
#define __ASM_STDCALL(args) ""
/* From wine source */
#ifdef __i386__ /* thiscall functions are i386-specific */
#define THISCALL(func) __thiscall_ ## func
#define THISCALL_NAME(func) __ASM_NAME("__thiscall_" #func)
#define __thiscall __stdcall
#define DEFINE_THISCALL_WRAPPER(func,args) \
extern void THISCALL(func)(void); \
__ASM_GLOBAL_FUNC(__thiscall_ ## func, \
"popl %eax\n\t" \
"pushl %ecx\n\t" \
"pushl %eax\n\t" \
"jmp " __ASM_NAME(#func) __ASM_STDCALL(args) )
#else /* __i386__ */
#define THISCALL(func) func
#define THISCALL_NAME(func) __ASM_NAME(#func)
#define __thiscall __cdecl
#define DEFINE_THISCALL_WRAPPER(func,args) /* nothing */
#endif /* __i386__ */
/* Hide ELF symbols for the COM members - No need to to export them */
#define HIDDEN __attribute__ ((visibility("hidden")))
/*****************************************************************************
* IWineAsio interface
*/
#define INTERFACE IWineASIO
DECLARE_INTERFACE_(IWineASIO,IUnknown)
{
STDMETHOD_(HRESULT, QueryInterface) (THIS_ IID riid, void** ppvObject) PURE;
STDMETHOD_(ULONG, AddRef) (THIS) PURE;
STDMETHOD_(ULONG, Release) (THIS) PURE;
STDMETHOD_(ASIOBool, Init) (THIS_ void *sysRef) PURE;
STDMETHOD_(void, GetDriverName) (THIS_ char *name) PURE;
STDMETHOD_(LONG, GetDriverVersion) (THIS) PURE;
STDMETHOD_(void, GetErrorMessage) (THIS_ char *string) PURE;
STDMETHOD_(ASIOError, Start) (THIS) PURE;
STDMETHOD_(ASIOError, Stop) (THIS) PURE;
STDMETHOD_(ASIOError, GetChannels) (THIS_ LONG *numInputChannels, LONG *numOutputChannels) PURE;
STDMETHOD_(ASIOError, GetLatencies) (THIS_ LONG *inputLatency, LONG *outputLatency) PURE;
STDMETHOD_(ASIOError, GetBufferSize) (THIS_ LONG *minSize, LONG *maxSize, LONG *preferredSize, LONG *granularity) PURE;
STDMETHOD_(ASIOError, CanSampleRate) (THIS_ ASIOSampleRate sampleRate) PURE;
STDMETHOD_(ASIOError, GetSampleRate) (THIS_ ASIOSampleRate *sampleRate) PURE;
STDMETHOD_(ASIOError, SetSampleRate) (THIS_ ASIOSampleRate sampleRate) PURE;
STDMETHOD_(ASIOError, GetClockSources) (THIS_ ASIOClockSource *clocks, LONG *numSources) PURE;
STDMETHOD_(ASIOError, SetClockSource) (THIS_ LONG index) PURE;
STDMETHOD_(ASIOError, GetSamplePosition) (THIS_ ASIOSamples *sPos, ASIOTimeStamp *tStamp) PURE;
STDMETHOD_(ASIOError, GetChannelInfo) (THIS_ ASIOChannelInfo *info) PURE;
STDMETHOD_(ASIOError, CreateBuffers) (THIS_ ASIOBufferInfo *bufferInfo, LONG numChannels, LONG bufferSize, ASIOCallbacks *asioCallbacks) PURE;
STDMETHOD_(ASIOError, DisposeBuffers) (THIS) PURE;
STDMETHOD_(ASIOError, ControlPanel) (THIS) PURE;
STDMETHOD_(ASIOError, Future) (THIS_ LONG selector,void *opt) PURE;
STDMETHOD_(ASIOError, OutputReady) (THIS) PURE;
};
#undef INTERFACE
typedef struct IWineASIO *LPWINEASIO;
typedef struct IOChannel
{
ASIOBool active;
jack_default_audio_sample_t *audio_buffer;
char port_name[ASIO_MAX_NAME_LENGTH];
jack_port_t *port;
} IOChannel;
typedef struct IWineASIOImpl
{
/* COM stuff */
const IWineASIOVtbl *lpVtbl;
LONG ref;
/* The app's main window handle on windows, 0 on OS/X */
HWND sys_ref;
/* ASIO stuff */
LONG asio_active_inputs;
LONG asio_active_outputs;
BOOL asio_buffer_index;
ASIOCallbacks *asio_callbacks;
BOOL asio_can_time_code;
LONG asio_current_buffersize;
INT asio_driver_state;
ASIOSamples asio_sample_position;
ASIOSampleRate asio_sample_rate;
ASIOTime asio_time;
BOOL asio_time_info_mode;
ASIOTimeStamp asio_time_stamp;
LONG asio_version;
/* WineASIO configuration options */
LONG wineasio_number_inputs;
LONG wineasio_number_outputs;
BOOL wineasio_autostart_server;
BOOL wineasio_connect_to_hardware;
LONG wineasio_fixed_buffersize;
LONG wineasio_preferred_buffersize;
/* JACK stuff */
jack_client_t *jack_client;
char jack_client_name[ASIO_MAX_NAME_LENGTH];
int jack_num_input_ports;
int jack_num_output_ports;
const char **jack_input_ports;
const char **jack_output_ports;
/* jack process callback buffers */
jack_default_audio_sample_t *callback_audio_buffer;
IOChannel *input_channel;
IOChannel *output_channel;
} IWineASIOImpl;
enum { Loaded, Initialized, Prepared, Running };
/****************************************************************************
* Interface Methods
*/
/*
* as seen from the WineASIO source
*/
HIDDEN HRESULT STDMETHODCALLTYPE QueryInterface(LPWINEASIO iface, REFIID riid, void **ppvObject);
HIDDEN ULONG STDMETHODCALLTYPE AddRef(LPWINEASIO iface);
HIDDEN ULONG STDMETHODCALLTYPE Release(LPWINEASIO iface);
HIDDEN ASIOBool STDMETHODCALLTYPE Init(LPWINEASIO iface, void *sysRef);
HIDDEN void STDMETHODCALLTYPE GetDriverName(LPWINEASIO iface, char *name);
HIDDEN LONG STDMETHODCALLTYPE GetDriverVersion(LPWINEASIO iface);
HIDDEN void STDMETHODCALLTYPE GetErrorMessage(LPWINEASIO iface, char *string);
HIDDEN ASIOError STDMETHODCALLTYPE Start(LPWINEASIO iface);
HIDDEN ASIOError STDMETHODCALLTYPE Stop(LPWINEASIO iface);
HIDDEN ASIOError STDMETHODCALLTYPE GetChannels (LPWINEASIO iface, LONG *numInputChannels, LONG *numOutputChannels);
HIDDEN ASIOError STDMETHODCALLTYPE GetLatencies(LPWINEASIO iface, LONG *inputLatency, LONG *outputLatency);
HIDDEN ASIOError STDMETHODCALLTYPE GetBufferSize(LPWINEASIO iface, LONG *minSize, LONG *maxSize, LONG *preferredSize, LONG *granularity);
HIDDEN ASIOError STDMETHODCALLTYPE CanSampleRate(LPWINEASIO iface, ASIOSampleRate sampleRate);
HIDDEN ASIOError STDMETHODCALLTYPE GetSampleRate(LPWINEASIO iface, ASIOSampleRate *sampleRate);
HIDDEN ASIOError STDMETHODCALLTYPE SetSampleRate(LPWINEASIO iface, ASIOSampleRate sampleRate);
HIDDEN ASIOError STDMETHODCALLTYPE GetClockSources(LPWINEASIO iface, ASIOClockSource *clocks, LONG *numSources);
HIDDEN ASIOError STDMETHODCALLTYPE SetClockSource(LPWINEASIO iface, LONG index);
HIDDEN ASIOError STDMETHODCALLTYPE GetSamplePosition(LPWINEASIO iface, ASIOSamples *sPos, ASIOTimeStamp *tStamp);
HIDDEN ASIOError STDMETHODCALLTYPE GetChannelInfo(LPWINEASIO iface, ASIOChannelInfo *info);
HIDDEN ASIOError STDMETHODCALLTYPE CreateBuffers(LPWINEASIO iface, ASIOBufferInfo *bufferInfo, LONG numChannels, LONG bufferSize, ASIOCallbacks *asioCallbacks);
HIDDEN ASIOError STDMETHODCALLTYPE DisposeBuffers(LPWINEASIO iface);
HIDDEN ASIOError STDMETHODCALLTYPE ControlPanel(LPWINEASIO iface);
HIDDEN ASIOError STDMETHODCALLTYPE Future(LPWINEASIO iface, LONG selector, void *opt);
HIDDEN ASIOError STDMETHODCALLTYPE OutputReady(LPWINEASIO iface);
/*
* thiscall wrappers for the vtbl (as seen from app side 32bit)
*/
HIDDEN void __thiscall_Init(void);
HIDDEN void __thiscall_GetDriverName(void);
HIDDEN void __thiscall_GetDriverVersion(void);
HIDDEN void __thiscall_GetErrorMessage(void);
HIDDEN void __thiscall_Start(void);
HIDDEN void __thiscall_Stop(void);
HIDDEN void __thiscall_GetChannels(void);
HIDDEN void __thiscall_GetLatencies(void);
HIDDEN void __thiscall_GetBufferSize(void);
HIDDEN void __thiscall_CanSampleRate(void);
HIDDEN void __thiscall_GetSampleRate(void);
HIDDEN void __thiscall_SetSampleRate(void);
HIDDEN void __thiscall_GetClockSources(void);
HIDDEN void __thiscall_SetClockSource(void);
HIDDEN void __thiscall_GetSamplePosition(void);
HIDDEN void __thiscall_GetChannelInfo(void);
HIDDEN void __thiscall_CreateBuffers(void);
HIDDEN void __thiscall_DisposeBuffers(void);
HIDDEN void __thiscall_ControlPanel(void);
HIDDEN void __thiscall_Future(void);
HIDDEN void __thiscall_OutputReady(void);
/*
* Jack callbacks
*/
static inline int jack_buffer_size_callback (jack_nframes_t nframes, void *arg);
static inline void jack_latency_callback(jack_latency_callback_mode_t mode, void *arg);
static inline int jack_process_callback (jack_nframes_t nframes, void *arg);
static inline int jack_sample_rate_callback (jack_nframes_t nframes, void *arg);
/*
* Support functions
*/
HRESULT WINAPI WineASIOCreateInstance(REFIID riid, LPVOID *ppobj);
static VOID configure_driver(IWineASIOImpl *This);
static DWORD WINAPI jack_thread_creator_helper(LPVOID arg);
static int jack_thread_creator(pthread_t* thread_id, const pthread_attr_t* attr, void *(*function)(void*), void* arg);
/* {48D0C522-BFCC-45cc-8B84-17F25F33E6E8} */
static GUID const CLSID_WineASIO = {
0x48d0c522, 0xbfcc, 0x45cc, { 0x8b, 0x84, 0x17, 0xf2, 0x5f, 0x33, 0xe6, 0xe8 } };
static const IWineASIOVtbl WineASIO_Vtbl =
{
(void *) QueryInterface,
(void *) AddRef,
(void *) Release,
(void *) THISCALL(Init),
(void *) THISCALL(GetDriverName),
(void *) THISCALL(GetDriverVersion),
(void *) THISCALL(GetErrorMessage),
(void *) THISCALL(Start),
(void *) THISCALL(Stop),
(void *) THISCALL(GetChannels),
(void *) THISCALL(GetLatencies),
(void *) THISCALL(GetBufferSize),
(void *) THISCALL(CanSampleRate),
(void *) THISCALL(GetSampleRate),
(void *) THISCALL(SetSampleRate),
(void *) THISCALL(GetClockSources),
(void *) THISCALL(SetClockSource),
(void *) THISCALL(GetSamplePosition),
(void *) THISCALL(GetChannelInfo),
(void *) THISCALL(CreateBuffers),
(void *) THISCALL(DisposeBuffers),
(void *) THISCALL(ControlPanel),
(void *) THISCALL(Future),
(void *) THISCALL(OutputReady)
};
/* structure needed to create the JACK callback thread in the wine process context */
struct {
void *(*jack_callback_thread) (void*);
void *arg;
pthread_t jack_callback_pthread_id;
HANDLE jack_callback_thread_created;
} jack_thread_creator_privates;
/*****************************************************************************
* Interface method definitions
*/
HIDDEN HRESULT STDMETHODCALLTYPE QueryInterface(LPWINEASIO iface, REFIID riid, void **ppvObject)
{
IWineASIOImpl *This = (IWineASIOImpl *)iface;
TRACE("iface: %p, riid: %s, ppvObject: %p)\n", iface, debugstr_guid(riid), ppvObject);
if (ppvObject == NULL)
return E_INVALIDARG;
if (IsEqualIID(&CLSID_WineASIO, riid))
{
AddRef(iface);
*ppvObject = This;
return S_OK;
}
return E_NOINTERFACE;
}
/*
* ULONG STDMETHODCALLTYPE AddRef(LPWINEASIO iface);
* Function: Increment the reference count on the object
* Returns: Ref count
*/
HIDDEN ULONG STDMETHODCALLTYPE AddRef(LPWINEASIO iface)
{
IWineASIOImpl *This = (IWineASIOImpl *)iface;
ULONG ref = InterlockedIncrement(&(This->ref));
TRACE("iface: %p, ref count is %d\n", iface, ref);
return ref;
}
/*
* ULONG Release (LPWINEASIO iface);
* Function: Destroy the interface
* Returns: Ref count
* Implies: ASIOStop() and ASIODisposeBuffers()
*/
HIDDEN ULONG STDMETHODCALLTYPE Release(LPWINEASIO iface)
{
IWineASIOImpl *This = (IWineASIOImpl *)iface;
ULONG ref = InterlockedDecrement(&This->ref);
int i;
TRACE("iface: %p, ref count is %d\n", iface, ref);
if (This->asio_driver_state == Running)
Stop(iface);
if (This->asio_driver_state == Prepared)
DisposeBuffers(iface);
if (This->asio_driver_state == Initialized)
{
/* just for good measure we deinitialize IOChannel structures and unregister JACK ports */
for (i = 0; i < This->wineasio_number_inputs; i++)
{
jack_port_unregister (This->jack_client, This->input_channel[i].port);
This->input_channel[i].active = ASIOFalse;
This->input_channel[i].port = NULL;
}
for (i = 0; i < This->wineasio_number_outputs; i++)
{
jack_port_unregister (This->jack_client, This->output_channel[i].port);
This->output_channel[i].active = ASIOFalse;
This->output_channel[i].port = NULL;
}
This->asio_active_inputs = This->asio_active_outputs = 0;
TRACE("%i IOChannel structures released\n", This->wineasio_number_inputs + This->wineasio_number_outputs);
jack_free (This->jack_output_ports);
jack_free (This->jack_input_ports);
jack_client_close(This->jack_client);
if (This->input_channel)
HeapFree(GetProcessHeap(), 0, This->input_channel);
}
TRACE("WineASIO terminated\n\n");
if (ref == 0)
HeapFree(GetProcessHeap(), 0, This);
return ref;
}
/*
* ASIOBool Init (void *sysRef);
* Function: Initialize the driver
* Parameters: Pointer to "This"
* sysHanle is 0 on OS/X and on windows it contains the applications main window handle
* Returns: ASIOFalse on error, and ASIOTrue on success
*/
DEFINE_THISCALL_WRAPPER(Init,8)
HIDDEN ASIOBool STDMETHODCALLTYPE Init(LPWINEASIO iface, void *sysRef)
{
IWineASIOImpl *This = (IWineASIOImpl *)iface;
jack_status_t jack_status;
jack_options_t jack_options = JackNullOption;
int i;
This->sys_ref = sysRef;
mlockall(MCL_FUTURE);
configure_driver(This);
if (!(This->jack_client = jack_client_open(This->jack_client_name, jack_options, &jack_status)))
{
WARN("Unable to open a JACK client as: %s\n", This->jack_client_name);
return ASIOFalse;
}
TRACE("JACK client opened as: '%s'\n", jack_get_client_name(This->jack_client));
This->asio_sample_rate = jack_get_sample_rate(This->jack_client);
This->asio_current_buffersize = jack_get_buffer_size(This->jack_client);
/* Allocate IOChannel structures */
This->input_channel = HeapAlloc(GetProcessHeap(), 0, (This->wineasio_number_inputs + This->wineasio_number_outputs) * sizeof(IOChannel));
if (!This->input_channel)
{
jack_client_close(This->jack_client);
ERR("Unable to allocate IOChannel structures for %i channels\n", This->wineasio_number_inputs);
return ASIOFalse;
}
This->output_channel = This->input_channel + This->wineasio_number_inputs;
TRACE("%i IOChannel structures allocated\n", This->wineasio_number_inputs + This->wineasio_number_outputs);
/* Get and count physical JACK ports */
This->jack_input_ports = jack_get_ports(This->jack_client, NULL, NULL, JackPortIsPhysical | JackPortIsOutput);
for (This->jack_num_input_ports = 0; This->jack_input_ports && This->jack_input_ports[This->jack_num_input_ports]; This->jack_num_input_ports++)
;
This->jack_output_ports = jack_get_ports(This->jack_client, NULL, NULL, JackPortIsPhysical | JackPortIsInput);
for (This->jack_num_output_ports = 0; This->jack_output_ports && This->jack_output_ports[This->jack_num_output_ports]; This->jack_num_output_ports++)
;
/* Initialize IOChannel structures */
for (i = 0; i < This->wineasio_number_inputs; i++)
{
This->input_channel[i].active = ASIOFalse;
This->input_channel[i].port = NULL;
snprintf(This->input_channel[i].port_name, ASIO_MAX_NAME_LENGTH, "in_%i", i + 1);
This->input_channel[i].port = jack_port_register(This->jack_client,
This->input_channel[i].port_name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, i);
/* TRACE("IOChannel structure initialized for input %d: '%s'\n", i, This->input_channel[i].port_name); */
}
for (i = 0; i < This->wineasio_number_outputs; i++)
{
This->output_channel[i].active = ASIOFalse;
This->output_channel[i].port = NULL;
snprintf(This->output_channel[i].port_name, ASIO_MAX_NAME_LENGTH, "out_%i", i + 1);
This->output_channel[i].port = jack_port_register(This->jack_client,
This->output_channel[i].port_name, JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, i);
/* TRACE("IOChannel structure initialized for output %d: '%s'\n", i, This->output_channel[i].port_name); */
}
TRACE("%i IOChannel structures initialized\n", This->wineasio_number_inputs + This->wineasio_number_outputs);
jack_set_thread_creator(jack_thread_creator);
if (jack_set_buffer_size_callback(This->jack_client, jack_buffer_size_callback, This))
{
jack_client_close(This->jack_client);
HeapFree(GetProcessHeap(), 0, This->input_channel);
ERR("Unable to register JACK buffer size change callback\n");
return ASIOFalse;
}
if (jack_set_latency_callback(This->jack_client, jack_latency_callback, This))
{
jack_client_close(This->jack_client);
HeapFree(GetProcessHeap(), 0, This->input_channel);
ERR("Unable to register JACK latency callback\n");
return ASIOFalse;
}
if (jack_set_process_callback(This->jack_client, jack_process_callback, This))
{
jack_client_close(This->jack_client);
HeapFree(GetProcessHeap(), 0, This->input_channel);
ERR("Unable to register JACK process callback\n");
return ASIOFalse;
}
if (jack_set_sample_rate_callback (This->jack_client, jack_sample_rate_callback, This))
{
jack_client_close(This->jack_client);
HeapFree(GetProcessHeap(), 0, This->input_channel);
ERR("Unable to register JACK sample rate change callback\n");
return ASIOFalse;
}
This->asio_driver_state = Initialized;
TRACE("WineASIO 0.%.1f initialized\n",(float) This->asio_version / 10);
return ASIOTrue;
}
/*
* void GetDriverName(char *name);
* Function: Returns the driver name in name
*/
DEFINE_THISCALL_WRAPPER(GetDriverName,8)
HIDDEN void STDMETHODCALLTYPE GetDriverName(LPWINEASIO iface, char *name)
{
TRACE("iface: %p, name: %p\n", iface, name);
strcpy(name, "WineASIO");
return;
}
/*
* LONG GetDriverVersion (void);
* Function: Returns the driver version number
*/
DEFINE_THISCALL_WRAPPER(GetDriverVersion,4)
HIDDEN LONG STDMETHODCALLTYPE GetDriverVersion(LPWINEASIO iface)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
TRACE("iface: %p\n", iface);
return This->asio_version;
}
/*
* void GetErrorMessage(char *string);
* Function: Returns an error message for the last occured error in string
*/
DEFINE_THISCALL_WRAPPER(GetErrorMessage,8)
HIDDEN void STDMETHODCALLTYPE GetErrorMessage(LPWINEASIO iface, char *string)
{
TRACE("iface: %p, string: %p)\n", iface, string);
strcpy(string, "WineASIO does not return error messages\n");
return;
}
/*
* ASIOError Start(void);
* Function: Start JACK IO processing and reset the sample counter to zero
* Returns: ASE_NotPresent if IO is missing
* ASE_HWMalfunction if JACK fails to start
*/
DEFINE_THISCALL_WRAPPER(Start,4)
HIDDEN ASIOError STDMETHODCALLTYPE Start(LPWINEASIO iface)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
int i;
DWORD time;
TRACE("iface: %p\n", iface);
if (This->asio_driver_state != Prepared)
return ASE_NotPresent;
/* Zero the audio buffer */
for (i = 0; i < (This->wineasio_number_inputs + This->wineasio_number_outputs) * 2 * This->asio_current_buffersize; i++)
This->callback_audio_buffer[i] = 0;
/* prime the callback by preprocessing one outbound ASIO bufffer */
This->asio_buffer_index = 0;
This->asio_sample_position.hi = This->asio_sample_position.lo = 0;
time = timeGetTime();
This->asio_time_stamp.lo = time * 1000000;
This->asio_time_stamp.hi = ((unsigned long long) time * 1000000) >> 32;
if (This->asio_time_info_mode) /* use the newer bufferSwitchTimeInfo method if supported */
{
This->asio_time.timeInfo.samplePosition.lo = This->asio_time.timeInfo.samplePosition.hi = 0;
This->asio_time.timeInfo.systemTime.lo = This->asio_time_stamp.lo;
This->asio_time.timeInfo.systemTime.hi = This->asio_time_stamp.hi;
This->asio_time.timeInfo.sampleRate = This->asio_sample_rate;
This->asio_time.timeInfo.flags = kSystemTimeValid | kSamplePositionValid | kSampleRateValid;
if (This->asio_can_time_code) /* addionally use time code if supported */
{
This->asio_time.timeCode.speed = 1; /* FIXME */
This->asio_time.timeCode.timeCodeSamples.lo = This->asio_time_stamp.lo;
This->asio_time.timeCode.timeCodeSamples.hi = This->asio_time_stamp.hi;
This->asio_time.timeCode.flags = ~(kTcValid | kTcRunning);
}
This->asio_callbacks->bufferSwitchTimeInfo(&This->asio_time, This->asio_buffer_index, ASIOTrue);
}
else
{ /* use the old bufferSwitch method */
This->asio_callbacks->bufferSwitch(This->asio_buffer_index, ASIOTrue);
}
/* swith asio buffer */
This->asio_buffer_index = This->asio_buffer_index ? 0 : 1;
This->asio_driver_state = Running;
TRACE("WineASIO successfully loaded\n");
return ASE_OK;
}
/*
* ASIOError Stop(void);
* Function: Stop JACK IO processing
* Returns: ASE_NotPresent on missing IO
* Note: BufferSwitch() must not called after returning
*/
DEFINE_THISCALL_WRAPPER(Stop,4)
HIDDEN ASIOError STDMETHODCALLTYPE Stop(LPWINEASIO iface)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
TRACE("iface: %p\n", iface);
if (This->asio_driver_state != Running)
return ASE_NotPresent;
This->asio_driver_state = Prepared;
return ASE_OK;
}
/*
* ASIOError GetChannels(LONG *numInputChannels, LONG *numOutputChannels);
* Function: Report number of IO channels
* Parameters: numInputChannels and numOutputChannels will hold number of channels on returning
* Returns: ASE_NotPresent if no channels are available, otherwise AES_OK
*/
DEFINE_THISCALL_WRAPPER(GetChannels,12)
HIDDEN ASIOError STDMETHODCALLTYPE GetChannels (LPWINEASIO iface, LONG *numInputChannels, LONG *numOutputChannels)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
if (!numInputChannels && !numOutputChannels)
return ASE_InvalidParameter;
*numInputChannels = This->wineasio_number_inputs;
*numOutputChannels = This->wineasio_number_outputs;
TRACE("iface: %p, inputs: %i, outputs: %i\n", iface, This->wineasio_number_inputs, This->wineasio_number_outputs);
return ASE_OK;
}
/*
* ASIOError GetLatencies(LONG *inputLatency, LONG *outputLatency);
* Function: Return latency in frames
* Returns: ASE_NotPresent if no IO is available, otherwise AES_OK
*/
DEFINE_THISCALL_WRAPPER(GetLatencies,12)
HIDDEN ASIOError STDMETHODCALLTYPE GetLatencies(LPWINEASIO iface, LONG *inputLatency, LONG *outputLatency)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
jack_latency_range_t range;
if (!inputLatency && !outputLatency)
return ASE_InvalidParameter;
if (This->asio_driver_state == Loaded)
return ASE_NotPresent;
jack_port_get_latency_range(This->input_channel[0].port, JackCaptureLatency, &range);
*inputLatency = range.max;
jack_port_get_latency_range(This->output_channel[0].port, JackPlaybackLatency, &range);
*outputLatency = range.max;
TRACE("iface: %p, input latency: %d, output latency: %d\n", iface, *inputLatency, *outputLatency);
return ASE_OK;
}
/*
* ASIOError GetBufferSize(LONG *minSize, LONG *maxSize, LONG *preferredSize, LONG *granularity);
* Function: Return minimum, maximum, preferred buffer sizes, and granularity
* At the moment return all the same, and granularity 0
* Returns: ASE_NotPresent on missing IO
*/
DEFINE_THISCALL_WRAPPER(GetBufferSize,20)
HIDDEN ASIOError STDMETHODCALLTYPE GetBufferSize(LPWINEASIO iface, LONG *minSize, LONG *maxSize, LONG *preferredSize, LONG *granularity)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
TRACE("iface: %p, minSize: %p, maxSize: %p, preferredSize: %p, granularity: %p\n", iface, minSize, maxSize, preferredSize, granularity);
if (!minSize && !maxSize && !preferredSize && !granularity)
return ASE_InvalidParameter;
if (This->wineasio_fixed_buffersize)
{
*minSize = *maxSize = *preferredSize = This->asio_current_buffersize;
*granularity = 0;
TRACE("Buffersize fixed at %i\n", This->asio_current_buffersize);
return ASE_OK;
}
*minSize = ASIO_MINIMUM_BUFFERSIZE;
*maxSize = ASIO_MAXIMUM_BUFFERSIZE;
*preferredSize = This->wineasio_preferred_buffersize;
*granularity = -1;
TRACE("The ASIO host can control buffersize\nMinimum: %i, maximum: %i, preferred: %i, granularity: %i, current: %i\n",
*minSize, *maxSize, *preferredSize, *granularity, This->asio_current_buffersize);
return ASE_OK;
}
/*
* ASIOError CanSampleRate(ASIOSampleRate sampleRate);
* Function: Ask if specific SR is available
* Returns: ASE_NoClock if SR isn't available, ASE_NotPresent on missing IO
*/
DEFINE_THISCALL_WRAPPER(CanSampleRate,12)
HIDDEN ASIOError STDMETHODCALLTYPE CanSampleRate(LPWINEASIO iface, ASIOSampleRate sampleRate)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
TRACE("iface: %p, Samplerate = %li, requested samplerate = %li\n", iface, (long) This->asio_sample_rate, (long) sampleRate);
if (sampleRate != This->asio_sample_rate)
return ASE_NoClock;
return ASE_OK;
}
/*
* ASIOError GetSampleRate(ASIOSampleRate *currentRate);
* Function: Return current SR
* Parameters: currentRate will hold SR on return, 0 if unknown
* Returns: ASE_NoClock if SR is unknown, ASE_NotPresent on missing IO
*/
DEFINE_THISCALL_WRAPPER(GetSampleRate,8)
HIDDEN ASIOError STDMETHODCALLTYPE GetSampleRate(LPWINEASIO iface, ASIOSampleRate *sampleRate)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
TRACE("iface: %p, Sample rate is %i\n", iface, (int) This->asio_sample_rate);
if (!sampleRate)
return ASE_InvalidParameter;
*sampleRate = This->asio_sample_rate;
return ASE_OK;
}
/*
* ASIOError SetSampleRate(ASIOSampleRate sampleRate);
* Function: Set requested SR, enable external sync if SR == 0
* Returns: ASE_NoClock if unknown SR
* ASE_InvalidMode if current clock is external and SR != 0
* ASE_NotPresent on missing IO
*/
DEFINE_THISCALL_WRAPPER(SetSampleRate,12)
HIDDEN ASIOError STDMETHODCALLTYPE SetSampleRate(LPWINEASIO iface, ASIOSampleRate sampleRate)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
TRACE("iface: %p, Sample rate %f requested\n", iface, sampleRate);
if (sampleRate != This->asio_sample_rate)
return ASE_NoClock;
return ASE_OK;
}
/*
* ASIOError GetClockSources(ASIOClockSource *clocks, LONG *numSources);
* Function: Return available clock sources
* Parameters: clocks - a pointer to an array of ASIOClockSource structures.
* numSources - when called: number of allocated members
* - on return: number of clock sources, the minimum is 1 - the internal clock
* Returns: ASE_NotPresent on missing IO
*/
DEFINE_THISCALL_WRAPPER(GetClockSources,12)
HIDDEN ASIOError STDMETHODCALLTYPE GetClockSources(LPWINEASIO iface, ASIOClockSource *clocks, LONG *numSources)
{
TRACE("iface: %p, clocks: %p, numSources: %p\n", iface, clocks, numSources);
if (!clocks && !numSources)
return ASE_InvalidParameter;
clocks->index = 0;
clocks->associatedChannel = -1;
clocks->associatedGroup = -1;
clocks->isCurrentSource = ASIOTrue;
strcpy(clocks->name, "Internal");
*numSources = 1;
return ASE_OK;
}
/*
* ASIOError SetClockSource(LONG index);
* Function: Set clock source
* Parameters: index returned by ASIOGetClockSources() - See asio.h for more details
* Returns: ASE_NotPresent on missing IO
* ASE_InvalidMode may be returned if a clock can't be selected
* ASE_NoClock should not be returned
*/
DEFINE_THISCALL_WRAPPER(SetClockSource,8)
HIDDEN ASIOError STDMETHODCALLTYPE SetClockSource(LPWINEASIO iface, LONG index)
{
TRACE("iface: %p, index: %i\n", iface, index);
if (index != 0)
return ASE_NotPresent;
return ASE_OK;
}
/*
* ASIOError GetSamplePosition (ASIOSamples *sPos, ASIOTimeStamp *tStamp);
* Function: Return sample position and timestamp
* Parameters: sPos holds the position on return, reset to 0 on ASIOStart()
* tStamp holds the system time of sPos
* Return: ASE_NotPresent on missing IO
* ASE_SPNotAdvancing on missing clock
*/
DEFINE_THISCALL_WRAPPER(GetSamplePosition,12)
HIDDEN ASIOError STDMETHODCALLTYPE GetSamplePosition(LPWINEASIO iface, ASIOSamples *sPos, ASIOTimeStamp *tStamp)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
TRACE("iface: %p, sPos: %p, tStamp: %p\n", iface, sPos, tStamp);
if (!sPos && !tStamp)
return ASE_InvalidParameter;
tStamp->lo = This->asio_time_stamp.lo;
tStamp->hi = This->asio_time_stamp.hi;
sPos->lo = This->asio_sample_position.lo;
sPos->hi = 0; /* FIXME */
return ASE_OK;
}
/*
* ASIOError GetChannelInfo (ASIOChannelInfo *info);
* Function: Retrive channel info. - See asio.h for more detail
* Returns: ASE_NotPresent on missing IO
*/
DEFINE_THISCALL_WRAPPER(GetChannelInfo,8)
HIDDEN ASIOError STDMETHODCALLTYPE GetChannelInfo(LPWINEASIO iface, ASIOChannelInfo *info)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
/* TRACE("(iface: %p, info: %p\n", iface, info); */
if (info->channel < 0 || (info->isInput ? info->channel >= This->wineasio_number_inputs : info->channel >= This->wineasio_number_outputs))
return ASE_InvalidParameter;
info->channelGroup = 0;
info->type = ASIOSTFloat32LSB;
if (info->isInput)
{
info->isActive = This->input_channel[info->channel].active;
memcpy(info->name, This->input_channel[info->channel].port_name, ASIO_MAX_NAME_LENGTH);
}
else
{
info->isActive = This->output_channel[info->channel].active;
memcpy(info->name, This->output_channel[info->channel].port_name, ASIO_MAX_NAME_LENGTH);
}
return ASE_OK;
}
/*
* ASIOError CreateBuffers(ASIOBufferInfo *bufferInfo, LONG numChannels, LONG bufferSize, ASIOCallbacks *asioCallbacks);
* Function: Allocate buffers for IO channels
* Parameters: bufferInfo - pointer to an array of ASIOBufferInfo structures
* numChannels - the total number of IO channels to be allocated
* bufferSize - one of the buffer sizes retrieved with ASIOGetBufferSize()
* asioCallbacks - pointer to an ASIOCallbacks structure
* See asio.h for more detail
* Returns: ASE_NoMemory if impossible to allocate enough memory
* ASE_InvalidMode on unsupported bufferSize or invalid bufferInfo data
* ASE_NotPresent on missing IO
*/
DEFINE_THISCALL_WRAPPER(CreateBuffers,20)
HIDDEN ASIOError STDMETHODCALLTYPE CreateBuffers(LPWINEASIO iface, ASIOBufferInfo *bufferInfo, LONG numChannels, LONG bufferSize, ASIOCallbacks *asioCallbacks)
{
IWineASIOImpl *This = (IWineASIOImpl*)iface;
ASIOBufferInfo *buffer_info = bufferInfo;
int i, j, k;
TRACE("iface: %p, bufferInfo: %p, numChannels: %i, bufferSize: %i, asioCallbacks: %p\n", iface, bufferInfo, numChannels, bufferSize, asioCallbacks);
if (This->asio_driver_state != Initialized)
return ASE_NotPresent;
if (!bufferInfo && !asioCallbacks)
return ASE_InvalidMode;
/* Check for invalid channel numbers */
for (i = j = k = 0; i < numChannels; i++, buffer_info++)
{
if (buffer_info->isInput)
{
if (j++ >= This->wineasio_number_inputs)
{
WARN("Invalid input channel requested\n");
return ASE_InvalidMode;
}
}
else
{
if (k++ >= This->wineasio_number_outputs)
{
WARN("Invalid output channel requested\n");
return ASE_InvalidMode;
}
}
}
/* set buf_size */
if (This->wineasio_fixed_buffersize)
{
if (This->asio_current_buffersize != bufferSize)
return ASE_InvalidMode;
TRACE("Buffersize fixed at %i\n", This->asio_current_buffersize);
}
else
{ /* fail if not a power of two and if out of range */
if (!(bufferSize > 0 && !(bufferSize&(bufferSize-1))
&& bufferSize >= ASIO_MINIMUM_BUFFERSIZE
&& bufferSize <= ASIO_MAXIMUM_BUFFERSIZE))
{
WARN("Invalid buffersize %i requested\n", bufferSize);
return ASE_InvalidMode;
}
else
{
if (This->asio_current_buffersize == bufferSize)
TRACE("Buffer size already set to %i\n", This->asio_current_buffersize);
else
{
This->asio_current_buffersize = bufferSize;
if (jack_set_buffer_size(This->jack_client, This->asio_current_buffersize))
{
WARN("JACK is unable to set buffersize to %i\n", This->asio_current_buffersize);
return ASE_HWMalfunction;
}
TRACE("Buffer size changed to %i\n", This->asio_current_buffersize);
}
}
}
/* print/discover ASIO host capabilities */
This->asio_callbacks = asioCallbacks;
This->asio_time_info_mode = This->asio_can_time_code = FALSE;
TRACE("The ASIO host supports ASIO v%i: ", This->asio_callbacks->asioMessage(kAsioEngineVersion, 0, 0, 0));
if (This->asio_callbacks->asioMessage(kAsioSelectorSupported, kAsioBufferSizeChange, 0 , 0))
TRACE("kAsioBufferSizeChange ");
if (This->asio_callbacks->asioMessage(kAsioSelectorSupported, kAsioResetRequest, 0 , 0))
TRACE("kAsioResetRequest ");
if (This->asio_callbacks->asioMessage(kAsioSelectorSupported, kAsioResyncRequest, 0 , 0))
TRACE("kAsioResyncRequest ");
if (This->asio_callbacks->asioMessage(kAsioSelectorSupported, kAsioLatenciesChanged, 0 , 0))
TRACE("kAsioLatenciesChanged ");
if (This->asio_callbacks->asioMessage(kAsioSupportsTimeInfo, 0, 0, 0))
{
TRACE("bufferSwitchTimeInfo ");
This->asio_time_info_mode = TRUE;
if (This->asio_callbacks->asioMessage(kAsioSupportsTimeCode, 0, 0, 0))
{
TRACE("TimeCode");
This->asio_can_time_code = TRUE;
}
}
else
TRACE("BufferSwitch");
TRACE("\n");
/* Allocate audio buffers */
This->callback_audio_buffer = HeapAlloc(GetProcessHeap(), 0,
(This->wineasio_number_inputs + This->wineasio_number_outputs) * 2 * This->asio_current_buffersize * sizeof(jack_default_audio_sample_t));
if (!This->callback_audio_buffer)
{
ERR("Unable to allocate %i ASIO audio buffers\n", This->wineasio_number_inputs + This->wineasio_number_outputs);
return ASE_NoMemory;
}
TRACE("%i ASIO audio buffers allocated (%i kB)\n", This->wineasio_number_inputs + This->wineasio_number_outputs,
(int) ((This->wineasio_number_inputs + This->wineasio_number_outputs) * 2 * This->asio_current_buffersize * sizeof(jack_default_audio_sample_t) / 1024));
for (i = 0; i < This->wineasio_number_inputs; i++)
This->input_channel[i].audio_buffer = This->callback_audio_buffer + (i * 2 * This->asio_current_buffersize);
for (i = 0; i < This->wineasio_number_outputs; i++)
This->output_channel[i].audio_buffer = This->callback_audio_buffer + ((This->wineasio_number_inputs + i) * 2 * This->asio_current_buffersize);
/* initialize ASIOBufferInfo structures */
buffer_info = bufferInfo;
This->asio_active_inputs = This->asio_active_outputs = 0;
for (i = 0; i < numChannels; i++, buffer_info++)