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Remove unused SDL2 Fluidsynth code
This commit is contained in:
Jonathan Campbell
parent
381a2f9bc7
commit
706fd0ecd1
@ -1,404 +0,0 @@
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/* FluidSynth - A Software Synthesizer
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*
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* Copyright (C) 2003 Peter Hanappe and others.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License
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* as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA
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*/
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#define FLUIDINC
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#include "config.h"
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#if !C_FLUIDSYNTH && defined(WIN32) && !defined(C_HX_DOS)
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#include "fluid_adriver.h"
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#include "fluid_settings.h"
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/*
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* fluid_adriver_definition_t
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*/
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typedef struct _fluid_audriver_definition_t
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{
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char* name;
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fluid_audio_driver_t* (*new)(fluid_settings_t* settings, fluid_synth_t* synth);
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fluid_audio_driver_t* (*new2)(fluid_settings_t* settings,
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fluid_audio_func_t func,
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void* data);
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int (*free)(fluid_audio_driver_t* driver);
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void (*settings)(fluid_settings_t* settings);
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} fluid_audriver_definition_t;
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#if PULSE_SUPPORT
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fluid_audio_driver_t* new_fluid_pulse_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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fluid_audio_driver_t* new_fluid_pulse_audio_driver2(fluid_settings_t* settings,
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fluid_audio_func_t func, void* data);
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int delete_fluid_pulse_audio_driver(fluid_audio_driver_t* p);
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void fluid_pulse_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if ALSA_SUPPORT
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fluid_audio_driver_t* new_fluid_alsa_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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fluid_audio_driver_t* new_fluid_alsa_audio_driver2(fluid_settings_t* settings,
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fluid_audio_func_t func, void* data);
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int delete_fluid_alsa_audio_driver(fluid_audio_driver_t* p);
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void fluid_alsa_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if OSS_SUPPORT
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fluid_audio_driver_t* new_fluid_oss_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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fluid_audio_driver_t* new_fluid_oss_audio_driver2(fluid_settings_t* settings,
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fluid_audio_func_t func, void* data);
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int delete_fluid_oss_audio_driver(fluid_audio_driver_t* p);
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void fluid_oss_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if COREAUDIO_SUPPORT
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fluid_audio_driver_t* new_fluid_core_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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fluid_audio_driver_t* new_fluid_core_audio_driver2(fluid_settings_t* settings,
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fluid_audio_func_t func,
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void* data);
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int delete_fluid_core_audio_driver(fluid_audio_driver_t* p);
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void fluid_core_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if DSOUND_SUPPORT
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fluid_audio_driver_t* new_fluid_dsound_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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int delete_fluid_dsound_audio_driver(fluid_audio_driver_t* p);
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void fluid_dsound_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if defined(C_SDL2)
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fluid_audio_driver_t* new_fluid_sdl2_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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int delete_fluid_sdl2_audio_driver(fluid_audio_driver_t* p);
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void fluid_sdl2_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if PORTAUDIO_SUPPORT
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void fluid_portaudio_driver_settings (fluid_settings_t *settings);
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fluid_audio_driver_t* new_fluid_portaudio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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int delete_fluid_portaudio_driver(fluid_audio_driver_t* p);
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#endif
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#if JACK_SUPPORT
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fluid_audio_driver_t* new_fluid_jack_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth);
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fluid_audio_driver_t* new_fluid_jack_audio_driver2(fluid_settings_t* settings,
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fluid_audio_func_t func, void* data);
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int delete_fluid_jack_audio_driver(fluid_audio_driver_t* p);
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void fluid_jack_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if SNDMAN_SUPPORT
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fluid_audio_driver_t* new_fluid_sndmgr_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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fluid_audio_driver_t* new_fluid_sndmgr_audio_driver2(fluid_settings_t* settings,
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fluid_audio_func_t func,
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void* data);
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int delete_fluid_sndmgr_audio_driver(fluid_audio_driver_t* p);
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#endif
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#if DART_SUPPORT
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fluid_audio_driver_t* new_fluid_dart_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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int delete_fluid_dart_audio_driver(fluid_audio_driver_t* p);
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void fluid_dart_audio_driver_settings(fluid_settings_t* settings);
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#endif
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#if AUFILE_SUPPORT
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fluid_audio_driver_t* new_fluid_file_audio_driver(fluid_settings_t* settings,
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fluid_synth_t* synth);
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int delete_fluid_file_audio_driver(fluid_audio_driver_t* p);
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#endif
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/* Available audio drivers, listed in order of preference */
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fluid_audriver_definition_t fluid_audio_drivers[] = {
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#if JACK_SUPPORT
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{ "jack",
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new_fluid_jack_audio_driver,
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new_fluid_jack_audio_driver2,
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delete_fluid_jack_audio_driver,
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fluid_jack_audio_driver_settings },
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#endif
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#if ALSA_SUPPORT
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{ "alsa",
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new_fluid_alsa_audio_driver,
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new_fluid_alsa_audio_driver2,
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delete_fluid_alsa_audio_driver,
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fluid_alsa_audio_driver_settings },
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#endif
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#if OSS_SUPPORT
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{ "oss",
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new_fluid_oss_audio_driver,
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new_fluid_oss_audio_driver2,
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delete_fluid_oss_audio_driver,
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fluid_oss_audio_driver_settings },
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#endif
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#if PULSE_SUPPORT
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{ "pulseaudio",
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new_fluid_pulse_audio_driver,
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new_fluid_pulse_audio_driver2,
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delete_fluid_pulse_audio_driver,
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fluid_pulse_audio_driver_settings },
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#endif
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#if COREAUDIO_SUPPORT
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{ "coreaudio",
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new_fluid_core_audio_driver,
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new_fluid_core_audio_driver2,
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delete_fluid_core_audio_driver,
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fluid_core_audio_driver_settings },
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#endif
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#if DSOUND_SUPPORT
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{ "dsound",
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new_fluid_dsound_audio_driver,
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NULL,
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delete_fluid_dsound_audio_driver,
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fluid_dsound_audio_driver_settings },
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#endif
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#if defined(C_SDL2)
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{
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"sdl2",
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new_fluid_sdl2_audio_driver,
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NULL,
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delete_fluid_sdl2_audio_driver,
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fluid_sdl2_audio_driver_settings
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},
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#endif
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#if PORTAUDIO_SUPPORT
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{ "portaudio",
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new_fluid_portaudio_driver,
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NULL,
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delete_fluid_portaudio_driver,
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fluid_portaudio_driver_settings },
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#endif
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#if SNDMAN_SUPPORT
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{ "sndman",
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new_fluid_sndmgr_audio_driver,
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new_fluid_sndmgr_audio_driver2,
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delete_fluid_sndmgr_audio_driver,
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NULL },
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#endif
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#if DART_SUPPORT
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{ "dart",
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new_fluid_dart_audio_driver,
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NULL,
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delete_fluid_dart_audio_driver,
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fluid_dart_audio_driver_settings },
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#endif
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#if AUFILE_SUPPORT
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{ "file",
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new_fluid_file_audio_driver,
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NULL,
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delete_fluid_file_audio_driver,
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NULL },
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#endif
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{ NULL, NULL, NULL, NULL, NULL }
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};
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void fluid_audio_driver_settings(fluid_settings_t* settings)
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{
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int i;
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fluid_settings_register_str(settings, "audio.sample-format", "16bits", 0, NULL, NULL);
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fluid_settings_add_option(settings, "audio.sample-format", "16bits");
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fluid_settings_add_option(settings, "audio.sample-format", "float");
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fluid_settings_register_int(settings, "audio.output-channels", 2, 2, 32, 0, NULL, NULL);
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fluid_settings_register_int(settings, "audio.input-channels", 0, 0, 2, 0, NULL, NULL);
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#if defined(WIN32)
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fluid_settings_register_int(settings, "audio.period-size", 512, 64, 8192, 0, NULL, NULL);
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fluid_settings_register_int(settings, "audio.periods", 8, 2, 64, 0, NULL, NULL);
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#elif defined(MACOS9)
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fluid_settings_register_int(settings, "audio.period-size", 64, 64, 8192, 0, NULL, NULL);
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fluid_settings_register_int(settings, "audio.periods", 8, 2, 64, 0, NULL, NULL);
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#else
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fluid_settings_register_int(settings, "audio.period-size", 64, 64, 8192, 0, NULL, NULL);
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fluid_settings_register_int(settings, "audio.periods", 16, 2, 64, 0, NULL, NULL);
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#endif
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fluid_settings_register_int (settings, "audio.realtime-prio",
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FLUID_DEFAULT_AUDIO_RT_PRIO, 0, 99, 0, NULL, NULL);
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/* Set the default driver */
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#if JACK_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "jack", 0, NULL, NULL);
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#elif ALSA_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "alsa", 0, NULL, NULL);
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#elif PULSE_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "pulseaudio", 0, NULL, NULL);
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#elif OSS_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "oss", 0, NULL, NULL);
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#elif COREAUDIO_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "coreaudio", 0, NULL, NULL);
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#elif DSOUND_SUPPORT && !(defined(C_SDL2) && defined(_MSC_VER) && defined(_M_IX86))
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fluid_settings_register_str(settings, "audio.driver", "dsound", 0, NULL, NULL);
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#elif SNDMAN_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "sndman", 0, NULL, NULL);
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#elif PORTAUDIO_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "portaudio", 0, NULL, NULL);
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#elif DART_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "dart", 0, NULL, NULL);
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#elif AUFILE_SUPPORT
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fluid_settings_register_str(settings, "audio.driver", "file", 0, NULL, NULL);
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#else
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fluid_settings_register_str(settings, "audio.driver", "", 0, NULL, NULL);
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#endif
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/* Add all drivers to the list of options */
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#if PULSE_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "pulseaudio");
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#endif
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#if ALSA_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "alsa");
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#endif
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#if OSS_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "oss");
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#endif
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#if COREAUDIO_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "coreaudio");
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#endif
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#if DSOUND_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "dsound");
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#endif
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#if SNDMAN_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "sndman");
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#endif
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#if PORTAUDIO_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "portaudio");
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#endif
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#if JACK_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "jack");
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#endif
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#if DART_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "dart");
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#endif
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#if AUFILE_SUPPORT
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fluid_settings_add_option(settings, "audio.driver", "file");
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#endif
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for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
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if (fluid_audio_drivers[i].settings != NULL) {
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fluid_audio_drivers[i].settings(settings);
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}
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}
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}
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/**
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* Create a new audio driver.
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* @param settings Configuration settings used to select and create the audio
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* driver.
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* @param synth Synthesizer instance for which the audio driver is created for.
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* @return The new audio driver instance.
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*
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* Creates a new audio driver for a given 'synth' instance with a defined set
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* of configuration 'settings'.
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*/
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fluid_audio_driver_t*
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new_fluid_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth)
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{
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int i;
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fluid_audio_driver_t* driver = NULL;
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char* name;
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char *allnames;
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for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
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if (fluid_settings_str_equal(settings, "audio.driver", fluid_audio_drivers[i].name)) {
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FLUID_LOG(FLUID_DBG, "Using '%s' audio driver", fluid_audio_drivers[i].name);
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driver = (*fluid_audio_drivers[i].new)(settings, synth);
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if (driver) {
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driver->name = fluid_audio_drivers[i].name;
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}
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return driver;
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}
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}
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allnames = fluid_settings_option_concat (settings, "audio.driver", NULL);
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fluid_settings_dupstr (settings, "audio.driver", &name); /* ++ alloc name */
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FLUID_LOG(FLUID_ERR, "Couldn't find the requested audio driver %s. Valid drivers are: %s.",
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name ? name : "NULL", allnames ? allnames : "ERROR");
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if (name) FLUID_FREE (name);
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if (allnames) FLUID_FREE (allnames);
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return NULL;
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}
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/**
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* Create a new audio driver.
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* @param settings Configuration settings used to select and create the audio
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* driver.
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* @param func Function called to fill audio buffers for audio playback
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|
||||||
* @param data User defined data pointer to pass to 'func'
|
|
||||||
* @return The new audio driver instance.
|
|
||||||
*
|
|
||||||
* Like new_fluid_audio_driver() but allows for custom audio processing before
|
|
||||||
* audio is sent to audio driver. It is the responsibility of the callback
|
|
||||||
* 'func' to render the audio into the buffers.
|
|
||||||
*
|
|
||||||
* NOTE: Not as efficient as new_fluid_audio_driver().
|
|
||||||
*/
|
|
||||||
fluid_audio_driver_t*
|
|
||||||
new_fluid_audio_driver2(fluid_settings_t* settings, fluid_audio_func_t func, void* data)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
fluid_audio_driver_t* driver = NULL;
|
|
||||||
char* name;
|
|
||||||
|
|
||||||
for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
|
|
||||||
if (fluid_settings_str_equal(settings, "audio.driver", fluid_audio_drivers[i].name) &&
|
|
||||||
(fluid_audio_drivers[i].new2 != NULL)) {
|
|
||||||
FLUID_LOG(FLUID_DBG, "Using '%s' audio driver", fluid_audio_drivers[i].name);
|
|
||||||
driver = (*fluid_audio_drivers[i].new2)(settings, func, data);
|
|
||||||
if (driver) {
|
|
||||||
driver->name = fluid_audio_drivers[i].name;
|
|
||||||
}
|
|
||||||
return driver;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fluid_settings_dupstr(settings, "audio.driver", &name); /* ++ alloc name */
|
|
||||||
FLUID_LOG(FLUID_ERR, "Couldn't find the requested audio driver: %s",
|
|
||||||
name ? name : "NULL");
|
|
||||||
if (name) FLUID_FREE (name);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/**
|
|
||||||
* Deletes an audio driver instance.
|
|
||||||
* @param driver Audio driver instance to delete
|
|
||||||
*
|
|
||||||
* Shuts down an audio driver and deletes its instance.
|
|
||||||
*/
|
|
||||||
void
|
|
||||||
delete_fluid_audio_driver(fluid_audio_driver_t* driver)
|
|
||||||
{
|
|
||||||
int i;
|
|
||||||
|
|
||||||
for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
|
|
||||||
if (fluid_audio_drivers[i].name == driver->name) {
|
|
||||||
fluid_audio_drivers[i].free(driver);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
@ -1,256 +0,0 @@
|
|||||||
/* 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
|
|
||||||
*/
|
|
||||||
|
|
||||||
#define FLUIDINC
|
|
||||||
#include "config.h"
|
|
||||||
#if !C_FLUIDSYNTH && defined(WIN32) && !defined(C_HX_DOS)
|
|
||||||
#include "fluid_synth.h"
|
|
||||||
#include "fluid_adriver.h"
|
|
||||||
#include "fluid_settings.h"
|
|
||||||
|
|
||||||
#if defined(C_SDL2)
|
|
||||||
|
|
||||||
#include "SDL.h"
|
|
||||||
|
|
||||||
typedef struct
|
|
||||||
{
|
|
||||||
fluid_audio_driver_t driver;
|
|
||||||
|
|
||||||
fluid_synth_t *synth;
|
|
||||||
fluid_audio_callback_t write_ptr;
|
|
||||||
|
|
||||||
SDL_AudioDeviceID devid;
|
|
||||||
|
|
||||||
int frame_size;
|
|
||||||
|
|
||||||
} fluid_sdl2_audio_driver_t;
|
|
||||||
int delete_fluid_sdl2_audio_driver(fluid_audio_driver_t* d);
|
|
||||||
|
|
||||||
static void
|
|
||||||
SDLAudioCallback(void *data, void *stream, int len)
|
|
||||||
{
|
|
||||||
fluid_sdl2_audio_driver_t *dev = (fluid_sdl2_audio_driver_t *)data;
|
|
||||||
|
|
||||||
len /= dev->frame_size;
|
|
||||||
|
|
||||||
dev->write_ptr(dev->synth, len, stream, 0, 2, stream, 1, 2);
|
|
||||||
}
|
|
||||||
|
|
||||||
void fluid_sdl2_audio_driver_settings(fluid_settings_t *settings)
|
|
||||||
{
|
|
||||||
int n, nDevs;
|
|
||||||
|
|
||||||
fluid_settings_register_str(settings, "audio.sdl2.device", "default", 0,NULL,NULL);
|
|
||||||
fluid_settings_add_option(settings, "audio.sdl2.device", "default");
|
|
||||||
|
|
||||||
if(!SDL_WasInit(SDL_INIT_AUDIO))
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_ERR, "SDL2 not initialized");
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
|
|
||||||
nDevs = SDL_GetNumAudioDevices(0);
|
|
||||||
|
|
||||||
for(n = 0; n < nDevs; n++)
|
|
||||||
{
|
|
||||||
const char *dev_name = SDL_GetAudioDeviceName(n, 0);
|
|
||||||
|
|
||||||
if(dev_name != NULL)
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_DBG, "SDL2 driver testing audio device: %s", dev_name);
|
|
||||||
fluid_settings_add_option(settings, "audio.sdl2.device", dev_name);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/*
|
|
||||||
* new_fluid_sdl2_audio_driver
|
|
||||||
*/
|
|
||||||
fluid_audio_driver_t *
|
|
||||||
new_fluid_sdl2_audio_driver(fluid_settings_t *settings, fluid_synth_t *synth)
|
|
||||||
{
|
|
||||||
fluid_sdl2_audio_driver_t *dev = NULL;
|
|
||||||
fluid_audio_callback_t write_ptr;
|
|
||||||
double sample_rate;
|
|
||||||
int period_size, sample_size;
|
|
||||||
SDL_AudioSpec aspec, rspec;
|
|
||||||
char *device;
|
|
||||||
const char *dev_name;
|
|
||||||
|
|
||||||
/* Check if SDL library has been started */
|
|
||||||
if(!SDL_WasInit(SDL_INIT_AUDIO))
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_ERR, "Failed to create SDL2 audio driver, because the audio subsystem of SDL2 is not initialized.");
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Retrieve the settings */
|
|
||||||
fluid_settings_getnum(settings, "synth.sample-rate", &sample_rate);
|
|
||||||
fluid_settings_getint(settings, "audio.period-size", &period_size);
|
|
||||||
|
|
||||||
/* Lower values do not seem to give good results */
|
|
||||||
if(period_size < 1024)
|
|
||||||
{
|
|
||||||
period_size = 1024;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
/* According to documentation, it MUST be a power of two */
|
|
||||||
if((period_size & (period_size - 1)) != 0)
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_ERR, "\"audio.period-size\" must be a power of 2 for SDL2");
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
/* Clear the format buffer */
|
|
||||||
FLUID_MEMSET(&aspec, 0, sizeof(aspec));
|
|
||||||
|
|
||||||
/* Setup mixing frequency */
|
|
||||||
aspec.freq = (int)sample_rate;
|
|
||||||
|
|
||||||
/* 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;
|
|
||||||
|
|
||||||
aspec.format = AUDIO_F32SYS;
|
|
||||||
}
|
|
||||||
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;
|
|
||||||
|
|
||||||
aspec.format = AUDIO_S16SYS;
|
|
||||||
}
|
|
||||||
else
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_ERR, "Unhandled sample format");
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Compile the format buffer */
|
|
||||||
aspec.channels = 2;
|
|
||||||
aspec.samples = aspec.channels * ((period_size + 7) & ~7);
|
|
||||||
aspec.callback = (SDL_AudioCallback)SDLAudioCallback;
|
|
||||||
|
|
||||||
/* Set default device to use */
|
|
||||||
device = NULL;
|
|
||||||
dev_name = NULL;
|
|
||||||
|
|
||||||
/* get the selected device name. if none is specified, use default device. */
|
|
||||||
if(fluid_settings_dupstr(settings, "audio.sdl2.device", &device) == FLUID_OK
|
|
||||||
&& device != NULL && device[0] != '\0')
|
|
||||||
{
|
|
||||||
int n, nDevs = SDL_GetNumAudioDevices(0);
|
|
||||||
|
|
||||||
for(n = 0; n < nDevs; n++)
|
|
||||||
{
|
|
||||||
dev_name = SDL_GetAudioDeviceName(n, 0);
|
|
||||||
|
|
||||||
if(FLUID_STRCASECMP(dev_name, device) == 0)
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_DBG, "Selected audio device GUID: %s", dev_name);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if(n >= nDevs)
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_DBG, "Audio device %s, using \"default\"", device);
|
|
||||||
dev_name = NULL;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if(device != NULL)
|
|
||||||
{
|
|
||||||
FLUID_FREE(device);
|
|
||||||
}
|
|
||||||
|
|
||||||
do
|
|
||||||
{
|
|
||||||
/* create and clear the driver data */
|
|
||||||
dev = FLUID_NEW(fluid_sdl2_audio_driver_t);
|
|
||||||
|
|
||||||
if(dev == NULL)
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_ERR, "Out of memory");
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
FLUID_MEMSET(dev, 0, sizeof(fluid_sdl2_audio_driver_t));
|
|
||||||
|
|
||||||
/* set device pointer to userdata */
|
|
||||||
aspec.userdata = dev;
|
|
||||||
|
|
||||||
/* Save copy of synth */
|
|
||||||
dev->synth = synth;
|
|
||||||
|
|
||||||
/* Save copy of other variables */
|
|
||||||
dev->write_ptr = write_ptr;
|
|
||||||
dev->frame_size = sample_size * aspec.channels;
|
|
||||||
|
|
||||||
/* Open audio device */
|
|
||||||
dev->devid = SDL_OpenAudioDevice(dev_name, 0, &aspec, &rspec, 0);
|
|
||||||
|
|
||||||
if(!dev->devid)
|
|
||||||
{
|
|
||||||
FLUID_LOG(FLUID_ERR, "Failed to open audio device");
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Start to play */
|
|
||||||
SDL_PauseAudioDevice(dev->devid, 0);
|
|
||||||
|
|
||||||
return (fluid_audio_driver_t *) dev;
|
|
||||||
}
|
|
||||||
while(0);
|
|
||||||
|
|
||||||
int rt=delete_fluid_sdl2_audio_driver(&dev->driver);
|
|
||||||
return NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
int delete_fluid_sdl2_audio_driver(fluid_audio_driver_t *d)
|
|
||||||
{
|
|
||||||
fluid_sdl2_audio_driver_t *dev = (fluid_sdl2_audio_driver_t *) d;
|
|
||||||
|
|
||||||
if(dev != NULL)
|
|
||||||
{
|
|
||||||
if(dev->devid)
|
|
||||||
{
|
|
||||||
/* Stop audio and close */
|
|
||||||
SDL_PauseAudioDevice(dev->devid, 1);
|
|
||||||
SDL_CloseAudioDevice(dev->devid);
|
|
||||||
}
|
|
||||||
|
|
||||||
FLUID_FREE(dev);
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif /* SDL2_SUPPORT */
|
|
||||||
#endif
|
|
||||||
Loading…
x
Reference in New Issue
Block a user