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Diffstat (limited to 'Source/3rdParty/SDL2/src/audio/SDL_sysaudio.h')
| -rw-r--r-- | Source/3rdParty/SDL2/src/audio/SDL_sysaudio.h | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/Source/3rdParty/SDL2/src/audio/SDL_sysaudio.h b/Source/3rdParty/SDL2/src/audio/SDL_sysaudio.h deleted file mode 100644 index 579dea5..0000000 --- a/Source/3rdParty/SDL2/src/audio/SDL_sysaudio.h +++ /dev/null @@ -1,213 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../SDL_internal.h" - -#ifndef SDL_sysaudio_h_ -#define SDL_sysaudio_h_ - -#include "SDL_mutex.h" -#include "SDL_thread.h" -#include "../SDL_dataqueue.h" -#include "./SDL_audio_c.h" - -/* !!! FIXME: These are wordy and unlocalized... */ -#define DEFAULT_OUTPUT_DEVNAME "System audio output device" -#define DEFAULT_INPUT_DEVNAME "System audio capture device" - -/* The SDL audio driver */ -typedef struct SDL_AudioDevice SDL_AudioDevice; -#define _THIS SDL_AudioDevice *_this - -/* Audio targets should call this as devices are added to the system (such as - a USB headset being plugged in), and should also be called for - for every device found during DetectDevices(). */ -extern void SDL_AddAudioDevice(const int iscapture, const char *name, void *handle); - -/* Audio targets should call this as devices are removed, so SDL can update - its list of available devices. */ -extern void SDL_RemoveAudioDevice(const int iscapture, void *handle); - -/* Audio targets should call this if an opened audio device is lost while - being used. This can happen due to i/o errors, or a device being unplugged, - etc. If the device is totally gone, please also call SDL_RemoveAudioDevice() - as appropriate so SDL's list of devices is accurate. */ -extern void SDL_OpenedAudioDeviceDisconnected(SDL_AudioDevice *device); - -/* This is the size of a packet when using SDL_QueueAudio(). We allocate - these as necessary and pool them, under the assumption that we'll - eventually end up with a handful that keep recycling, meeting whatever - the app needs. We keep packing data tightly as more arrives to avoid - wasting space, and if we get a giant block of data, we'll split them - into multiple packets behind the scenes. My expectation is that most - apps will have 2-3 of these in the pool. 8k should cover most needs, but - if this is crippling for some embedded system, we can #ifdef this. - The system preallocates enough packets for 2 callbacks' worth of data. */ -#define SDL_AUDIOBUFFERQUEUE_PACKETLEN (8 * 1024) - -typedef struct SDL_AudioDriverImpl -{ - void (*DetectDevices) (void); - int (*OpenDevice) (_THIS, void *handle, const char *devname, int iscapture); - void (*ThreadInit) (_THIS); /* Called by audio thread at start */ - void (*ThreadDeinit) (_THIS); /* Called by audio thread at end */ - void (*BeginLoopIteration)(_THIS); /* Called by audio thread at top of loop */ - void (*WaitDevice) (_THIS); - void (*PlayDevice) (_THIS); - int (*GetPendingBytes) (_THIS); - Uint8 *(*GetDeviceBuf) (_THIS); - int (*CaptureFromDevice) (_THIS, void *buffer, int buflen); - void (*FlushCapture) (_THIS); - void (*PrepareToClose) (_THIS); /**< Called between run and draining wait for playback devices */ - void (*CloseDevice) (_THIS); - void (*LockDevice) (_THIS); - void (*UnlockDevice) (_THIS); - void (*FreeDeviceHandle) (void *handle); /**< SDL is done with handle from SDL_AddAudioDevice() */ - void (*Deinitialize) (void); - - /* !!! FIXME: add pause(), so we can optimize instead of mixing silence. */ - - /* Some flags to push duplicate code into the core and reduce #ifdefs. */ - /* !!! FIXME: these should be SDL_bool */ - int ProvidesOwnCallbackThread; - int SkipMixerLock; - int HasCaptureSupport; - int OnlyHasDefaultOutputDevice; - int OnlyHasDefaultCaptureDevice; - int AllowsArbitraryDeviceNames; -} SDL_AudioDriverImpl; - - -typedef struct SDL_AudioDeviceItem -{ - void *handle; - char *name; - char *original_name; - int dupenum; - struct SDL_AudioDeviceItem *next; -} SDL_AudioDeviceItem; - - -typedef struct SDL_AudioDriver -{ - /* * * */ - /* The name of this audio driver */ - const char *name; - - /* * * */ - /* The description of this audio driver */ - const char *desc; - - SDL_AudioDriverImpl impl; - - /* A mutex for device detection */ - SDL_mutex *detectionLock; - SDL_bool captureDevicesRemoved; - SDL_bool outputDevicesRemoved; - int outputDeviceCount; - int inputDeviceCount; - SDL_AudioDeviceItem *outputDevices; - SDL_AudioDeviceItem *inputDevices; -} SDL_AudioDriver; - - -/* Define the SDL audio driver structure */ -struct SDL_AudioDevice -{ - /* * * */ - /* Data common to all devices */ - SDL_AudioDeviceID id; - - /* The device's current audio specification */ - SDL_AudioSpec spec; - - /* The callback's expected audio specification (converted vs device's spec). */ - SDL_AudioSpec callbackspec; - - /* Stream that converts and resamples. NULL if not needed. */ - SDL_AudioStream *stream; - - /* Current state flags */ - SDL_atomic_t shutdown; /* true if we are signaling the play thread to end. */ - SDL_atomic_t enabled; /* true if device is functioning and connected. */ - SDL_atomic_t paused; - SDL_bool iscapture; - - /* Scratch buffer used in the bridge between SDL and the user callback. */ - Uint8 *work_buffer; - - /* Size, in bytes, of work_buffer. */ - Uint32 work_buffer_len; - - /* A mutex for locking the mixing buffers */ - SDL_mutex *mixer_lock; - - /* A thread to feed the audio device */ - SDL_Thread *thread; - SDL_threadID threadid; - - /* Queued buffers (if app not using callback). */ - SDL_DataQueue *buffer_queue; - - /* * * */ - /* Data private to this driver */ - struct SDL_PrivateAudioData *hidden; - - void *handle; -}; -#undef _THIS - -typedef struct AudioBootStrap -{ - const char *name; - const char *desc; - int (*init) (SDL_AudioDriverImpl * impl); - int demand_only; /* 1==request explicitly, or it won't be available. */ -} AudioBootStrap; - -/* Not all of these are available in a given build. Use #ifdefs, etc. */ -extern AudioBootStrap PULSEAUDIO_bootstrap; -extern AudioBootStrap ALSA_bootstrap; -extern AudioBootStrap JACK_bootstrap; -extern AudioBootStrap SNDIO_bootstrap; -extern AudioBootStrap NETBSDAUDIO_bootstrap; -extern AudioBootStrap DSP_bootstrap; -extern AudioBootStrap QSAAUDIO_bootstrap; -extern AudioBootStrap SUNAUDIO_bootstrap; -extern AudioBootStrap ARTS_bootstrap; -extern AudioBootStrap ESD_bootstrap; -extern AudioBootStrap NACLAUDIO_bootstrap; -extern AudioBootStrap NAS_bootstrap; -extern AudioBootStrap WASAPI_bootstrap; -extern AudioBootStrap DSOUND_bootstrap; -extern AudioBootStrap WINMM_bootstrap; -extern AudioBootStrap PAUDIO_bootstrap; -extern AudioBootStrap HAIKUAUDIO_bootstrap; -extern AudioBootStrap COREAUDIO_bootstrap; -extern AudioBootStrap DISKAUDIO_bootstrap; -extern AudioBootStrap DUMMYAUDIO_bootstrap; -extern AudioBootStrap FUSIONSOUND_bootstrap; -extern AudioBootStrap ANDROIDAUDIO_bootstrap; -extern AudioBootStrap PSPAUDIO_bootstrap; -extern AudioBootStrap EMSCRIPTENAUDIO_bootstrap; - -#endif /* SDL_sysaudio_h_ */ - -/* vi: set ts=4 sw=4 expandtab: */ |