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Add WaveOut driver (#466)

This commit is contained in:
carlo-bramini 2018-12-01 15:04:26 +01:00 committed by Tom M
parent 749ce44753
commit cfe2d158f4
7 changed files with 424 additions and 0 deletions
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7
CMakeLists.txt
View File

@ -68,6 +68,7 @@ option ( enable-midishare "compile MidiShare support (if it is available)" on )
option ( enable-network "enable network support (requires BSD sockets)" on )
option ( enable-oss "compile OSS support (if it is available)" on )
option ( enable-dsound "compile DirectSound support (if it is available)" on )
option ( enable-waveout "compile Windows WaveOut support (if it is available)" on )
option ( enable-winmidi "compile Windows MIDI support (if it is available)" on )
option ( enable-pkgconfig "use pkg-config to locate fluidsynth's (mostly optional) dependencies" on )
option ( enable-pulseaudio "compile PulseAudio support (if it is available)" on )
@ -194,6 +195,7 @@ endif ( CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID STREQUAL "Clang" OR CMAKE
unset ( WINDOWS_SUPPORT CACHE )
unset ( WINDOWS_LIBS CACHE )
unset ( DSOUND_SUPPORT CACHE )
unset ( WAVEOUT_SUPPORT CACHE )
unset ( WINMIDI_SUPPORT CACHE )
unset ( MINGW32 CACHE )
if ( WIN32 )
@ -221,6 +223,11 @@ if ( WIN32 )
set ( WINMIDI_SUPPORT 1 )
endif ()
if ( enable-waveout AND HAVE_MMSYSTEM_H )
set ( WINDOWS_LIBS "${WINDOWS_LIBS};winmm" )
set ( WAVEOUT_SUPPORT 1 )
endif ()
set ( LIBFLUID_CPPFLAGS "-DFLUIDSYNTH_DLL_EXPORTS" )
set ( FLUID_CPPFLAGS "-DFLUIDSYNTH_NOT_A_DLL" )
if ( MSVC )

6
cmake_admin/report.cmake
View File

@ -80,6 +80,12 @@ else ( DSOUND_SUPPORT )
message ( "DSound: no" )
endif ( DSOUND_SUPPORT )
if ( WAVEOUT_SUPPORT )
message ( "WaveOut support: yes" )
else ( WAVEOUT_SUPPORT )
message ( "WaveOut support: no" )
endif ( WAVEOUT_SUPPORT )
if ( WINMIDI_SUPPORT )
message ( "WinMidi support: yes" )
else ( WINMIDI_SUPPORT )

5
src/CMakeLists.txt
View File

@ -82,6 +82,10 @@ if ( DSOUND_SUPPORT )
set ( fluid_dsound_SOURCES drivers/fluid_dsound.c )
endif ( DSOUND_SUPPORT )
if ( WAVEOUT_SUPPORT )
set ( fluid_waveout_SOURCES drivers/fluid_waveout.c )
endif ( WAVEOUT_SUPPORT )
if ( WINMIDI_SUPPORT )
set ( fluid_winmidi_SOURCES drivers/fluid_winmidi.c )
endif ( WINMIDI_SUPPORT )
@ -248,6 +252,7 @@ add_library ( libfluidsynth-OBJ OBJECT
${fluid_portaudio_SOURCES}
${fluid_pulse_SOURCES}
${fluid_dsound_SOURCES}
${fluid_waveout_SOURCES}
${fluid_winmidi_SOURCES}
${libfluidsynth_SOURCES}
${public_HEADERS}

3
src/config.cmake
View File

@ -196,6 +196,9 @@
/* Define to enable DirectSound driver */
#cmakedefine DSOUND_SUPPORT @DSOUND_SUPPORT@
/* Define to enable Windows WaveOut driver */
#cmakedefine WAVEOUT_SUPPORT @WAVEOUT_SUPPORT@
/* Define to enable Windows MIDI driver */
#cmakedefine WINMIDI_SUPPORT @WINMIDI_SUPPORT@

10
src/drivers/fluid_adriver.c
View File

@ -99,6 +99,16 @@ static const fluid_audriver_definition_t fluid_audio_drivers[] =
},
#endif
#if WAVEOUT_SUPPORT
{
"waveout",
new_fluid_waveout_audio_driver,
NULL,
delete_fluid_waveout_audio_driver,
fluid_waveout_audio_driver_settings
},
#endif
#if SNDMAN_SUPPORT
{
"sndman",

7
src/drivers/fluid_adriver.h
View File

@ -83,6 +83,13 @@ void delete_fluid_dsound_audio_driver(fluid_audio_driver_t *p);
void fluid_dsound_audio_driver_settings(fluid_settings_t *settings);
#endif
#if WAVEOUT_SUPPORT
fluid_audio_driver_t *new_fluid_waveout_audio_driver(fluid_settings_t *settings,
fluid_synth_t *synth);
void delete_fluid_waveout_audio_driver(fluid_audio_driver_t *p);
void fluid_waveout_audio_driver_settings(fluid_settings_t *settings);
#endif
#if PORTAUDIO_SUPPORT
void fluid_portaudio_driver_settings(fluid_settings_t *settings);
fluid_audio_driver_t *new_fluid_portaudio_driver(fluid_settings_t *settings,

386
src/drivers/fluid_waveout.c Normal file
View File

@ -0,0 +1,386 @@
/* FluidSynth - A Software Synthesizer
*
* Copyright (C) 2003 Peter Hanappe and others.
* Copyright (C) 2018 Carlo Bramini
*
* 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 Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#include "fluid_synth.h"
#include "fluid_adriver.h"
#include "fluid_settings.h"
#if WAVEOUT_SUPPORT
#include <mmsystem.h>
#define NOBITMAP
#include <mmreg.h>
/* Number of buffers in the chain */
#define NB_SOUND_BUFFERS 4
/* Milliseconds of a single sound buffer */
#define MS_BUFFER_LENGTH 20
typedef struct
{
fluid_audio_driver_t driver;
fluid_synth_t *synth;
fluid_audio_callback_t write_ptr;
HWAVEOUT hWaveOut;
WAVEHDR waveHeader[NB_SOUND_BUFFERS];
int sample_size;
int num_frames;
HANDLE hThread;
DWORD dwThread;
int nQuit;
HANDLE hQuit;
} fluid_waveout_audio_driver_t;
/* Thread for playing sample buffers */
static DWORD WINAPI fluid_waveout_synth_thread(void *data)
{
fluid_waveout_audio_driver_t *dev;
WAVEHDR *pWave;
MSG msg;
int code;
/* Forces creation of message queue */
PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
for(;;)
{
code = GetMessage(&msg, NULL, 0, 0);
if(code < 0)
{
FLUID_LOG(FLUID_ERR, "fluid_waveout_synth_thread: GetMessage() failed.");
break;
}
if(msg.message == WM_CLOSE)
{
break;
}
switch(msg.message)
{
case MM_WOM_DONE:
pWave = (WAVEHDR *)msg.lParam;
dev = (fluid_waveout_audio_driver_t *)pWave->dwUser;
if(dev->nQuit > 0)
{
/* Release the sample buffer */
waveOutUnprepareHeader((HWAVEOUT)msg.wParam, pWave, sizeof(WAVEHDR));
if(--dev->nQuit == 0)
{
SetEvent(dev->hQuit);
}
}
else
{
dev->write_ptr(dev->synth, dev->num_frames, pWave->lpData, 0, 2, pWave->lpData, 1, 2);
waveOutWrite((HWAVEOUT)msg.wParam, pWave, sizeof(WAVEHDR));
}
break;
}
}
return 0;
}
void fluid_waveout_audio_driver_settings(fluid_settings_t *settings)
{
UINT n, nDevs = waveOutGetNumDevs();
#ifdef _UNICODE
char dev_name[MAXPNAMELEN];
#endif
fluid_settings_register_str(settings, "audio.waveout.device", "default", 0);
fluid_settings_add_option(settings, "audio.waveout.device", "default");
for(n = 0; n < nDevs; n++)
{
WAVEOUTCAPS caps;
MMRESULT res;
res = waveOutGetDevCaps(n, &caps, sizeof(caps));
if(res == MMSYSERR_NOERROR)
{
#ifdef _UNICODE
WideCharToMultiByte(CP_UTF8, 0, caps.szPname, -1, dev_name, MAXPNAMELEN, 0, 0);
FLUID_LOG(FLUID_DBG, "Testing audio device: %s", dev_name);
fluid_settings_add_option(settings, "audio.waveout.device", dev_name);
#else
FLUID_LOG(FLUID_DBG, "Testing audio device: %s", caps.szPname);
fluid_settings_add_option(settings, "audio.waveout.device", caps.szPname);
#endif
}
}
}
/*
* new_fluid_waveout_audio_driver
*/
fluid_audio_driver_t *
new_fluid_waveout_audio_driver(fluid_settings_t *settings, fluid_synth_t *synth)
{
fluid_waveout_audio_driver_t *dev = NULL;
fluid_audio_callback_t write_ptr;
double sample_rate;
int periods, period_size, frequency, sample_size;
LPSTR ptrBuffer;
int lenBuffer;
int device;
int i;
WAVEFORMATEX wfx;
char dev_name[MAXPNAMELEN];
MMRESULT errCode;
/* Retrieve the settings */
fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate);
fluid_settings_getint(settings, "audio.periods", &periods);
fluid_settings_getint(settings, "audio.period-size", &period_size);
/* Clear the format buffer */
ZeroMemory(&wfx, sizeof(WAVEFORMATEX));
/* check the format */
if(fluid_settings_str_equal(settings, "audio.sample-format", "float"))
{
FLUID_LOG(FLUID_DBG, "Selected 32 bit sample format");
sample_size = sizeof(float);
write_ptr = fluid_synth_write_float;
wfx.wFormatTag = WAVE_FORMAT_IEEE_FLOAT;
}
else if(fluid_settings_str_equal(settings, "audio.sample-format", "16bits"))
{
FLUID_LOG(FLUID_DBG, "Selected 16 bit sample format");
sample_size = sizeof(short);
write_ptr = fluid_synth_write_s16;
wfx.wFormatTag = WAVE_FORMAT_PCM;
}
else
{
FLUID_LOG(FLUID_ERR, "Unhandled sample format");
return NULL;
}
/* Set frequency to integer */
frequency = (int)sample_rate;
/* Compile the format buffer */
wfx.nChannels = 2;
wfx.wBitsPerSample = sample_size * 8;
wfx.nSamplesPerSec = frequency;
wfx.nBlockAlign = sample_size * wfx.nChannels;
wfx.nAvgBytesPerSec = frequency * wfx.nBlockAlign;
/* Calculate the length of a single buffer */
lenBuffer = (MS_BUFFER_LENGTH * wfx.nAvgBytesPerSec + 999) / 1000;
/* Round to 8-bytes size */
lenBuffer = (lenBuffer + 7) & ~7;
/* create and clear the driver data */
dev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
sizeof(fluid_waveout_audio_driver_t) + lenBuffer * NB_SOUND_BUFFERS);
if(dev == NULL)
{
FLUID_LOG(FLUID_ERR, "Out of memory");
return NULL;
}
/* Save copy of synth */
dev->synth = synth;
/* Save copy of other variables */
dev->write_ptr = write_ptr;
dev->sample_size = sample_size;
/* Calculate the number of frames in a block */
dev->num_frames = lenBuffer / wfx.nBlockAlign;
/* Set default device to use */
device = WAVE_MAPPER;
/* get the selected device name. if none is specified, use default device. */
if(fluid_settings_copystr(settings, "audio.waveout.device", dev_name, MAXPNAMELEN) == FLUID_OK
&& dev_name[0] != '\0')
{
UINT nDevs = waveOutGetNumDevs();
UINT n;
#ifdef _UNICODE
WCHAR lpwDevName[MAXPNAMELEN];
MultiByteToWideChar(CP_UTF8, 0, dev_name, -1, lpwDevName, MAXPNAMELEN);
#endif
for(n = 0; n < nDevs; n++)
{
WAVEOUTCAPS caps;
MMRESULT res;
res = waveOutGetDevCaps(n, &caps, sizeof(caps));
if(res == MMSYSERR_NOERROR)
{
#ifdef _UNICODE
if(wcsicmp(lpwDevName, caps.szPname) == 0)
#else
if(FLUID_STRCASECMP(dev_name, caps.szPname) == 0)
#endif
{
FLUID_LOG(FLUID_DBG, "Selected audio device GUID: %s", dev_name);
device = n;
break;
}
}
}
}
do
{
dev->hQuit = CreateEvent(NULL, FALSE, FALSE, NULL);
if(dev->hQuit == NULL)
{
FLUID_LOG(FLUID_ERR, "Failed to create quit event");
break;
}
/* Create thread which processes re-adding SYSEX buffers */
dev->hThread = CreateThread(
NULL,
0,
(LPTHREAD_START_ROUTINE)
fluid_waveout_synth_thread,
dev,
0,
&dev->dwThread);
if(dev->hThread == NULL)
{
FLUID_LOG(FLUID_ERR, "Failed to create waveOut thread");
break;
}
errCode = waveOutOpen(&dev->hWaveOut,
device,
&wfx,
(DWORD_PTR)dev->dwThread,
0,
CALLBACK_THREAD);
if(errCode != MMSYSERR_NOERROR)
{
FLUID_LOG(FLUID_ERR, "Failed to open waveOut device");
break;
}
/* Get pointer to sound buffer memory */
ptrBuffer = (LPSTR)(dev + 1);
/* Setup the sample buffers */
for(i = 0; i < NB_SOUND_BUFFERS; i++)
{
/* Clear the sample buffer */
memset(ptrBuffer, 0, lenBuffer);
/* Clear descriptor buffer */
memset(dev->waveHeader + i, 0, sizeof(WAVEHDR));
/* Compile descriptor buffer */
dev->waveHeader[i].lpData = ptrBuffer;
dev->waveHeader[i].dwBufferLength = lenBuffer;
dev->waveHeader[i].dwUser = (DWORD_PTR)dev;
waveOutPrepareHeader(dev->hWaveOut, &dev->waveHeader[i], sizeof(WAVEHDR));
ptrBuffer += lenBuffer;
}
/* Play the sample buffers */
for(i = 0; i < NB_SOUND_BUFFERS; i++)
{
waveOutWrite(dev->hWaveOut, &dev->waveHeader[i], sizeof(WAVEHDR));
}
return (fluid_audio_driver_t *) dev;
}
while(0);
delete_fluid_waveout_audio_driver(&dev->driver);
return NULL;
}
void delete_fluid_waveout_audio_driver(fluid_audio_driver_t *d)
{
int i;
fluid_waveout_audio_driver_t *dev = (fluid_waveout_audio_driver_t *) d;
fluid_return_if_fail(dev != NULL);
/* release all the allocated resources */
if(dev->hWaveOut != NULL)
{
dev->nQuit = NB_SOUND_BUFFERS;
WaitForSingleObject(dev->hQuit, INFINITE);
waveOutClose(dev->hWaveOut);
}
if(dev->hThread != NULL)
{
PostThreadMessage(dev->dwThread, WM_CLOSE, 0, 0);
WaitForSingleObject(dev->hThread, INFINITE);
CloseHandle(dev->hThread);
}
if(dev->hQuit != NULL)
{
CloseHandle(dev->hQuit);
}
HeapFree(GetProcessHeap(), 0, dev);
}
#endif /* WAVEOUT_SUPPORT */