diff options
Diffstat (limited to '3rdparty/SDL2/src/audio/fusionsound')
-rw-r--r-- | 3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.c | 328 | ||||
-rw-r--r-- | 3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.h | 49 |
2 files changed, 0 insertions, 377 deletions
diff --git a/3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.c b/3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.c deleted file mode 100644 index daa0f9dd66c..00000000000 --- a/3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.c +++ /dev/null @@ -1,328 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 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" - -#if SDL_AUDIO_DRIVER_FUSIONSOUND - -/* !!! FIXME: why is this is SDL_FS_* instead of FUSIONSOUND_*? */ - -/* Allow access to a raw mixing buffer */ - -#ifdef HAVE_SIGNAL_H -#include <signal.h> -#endif -#include <unistd.h> - -#include "SDL_timer.h" -#include "SDL_audio.h" -#include "../SDL_audio_c.h" -#include "SDL_fsaudio.h" - -#include <fusionsound/fusionsound_version.h> - -/* #define SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC "libfusionsound.so" */ - -#ifdef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC -#include "SDL_name.h" -#include "SDL_loadso.h" -#else -#define SDL_NAME(X) X -#endif - -#if (FUSIONSOUND_MAJOR_VERSION == 1) && (FUSIONSOUND_MINOR_VERSION < 1) -typedef DFBResult DirectResult; -#endif - -/* Buffers to use - more than 2 gives a lot of latency */ -#define FUSION_BUFFERS (2) - -#ifdef SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC - -static const char *fs_library = SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC; -static void *fs_handle = NULL; - -static DirectResult (*SDL_NAME(FusionSoundInit)) (int *argc, char *(*argv[])); -static DirectResult (*SDL_NAME(FusionSoundCreate)) (IFusionSound ** - ret_interface); - -#define SDL_FS_SYM(x) { #x, (void **) (char *) &SDL_NAME(x) } -static struct -{ - const char *name; - void **func; -} fs_functions[] = { -/* *INDENT-OFF* */ - SDL_FS_SYM(FusionSoundInit), - SDL_FS_SYM(FusionSoundCreate), -/* *INDENT-ON* */ -}; - -#undef SDL_FS_SYM - -static void -UnloadFusionSoundLibrary() -{ - if (fs_handle != NULL) { - SDL_UnloadObject(fs_handle); - fs_handle = NULL; - } -} - -static int -LoadFusionSoundLibrary(void) -{ - int i, retval = -1; - - if (fs_handle == NULL) { - fs_handle = SDL_LoadObject(fs_library); - if (fs_handle != NULL) { - retval = 0; - for (i = 0; i < SDL_arraysize(fs_functions); ++i) { - *fs_functions[i].func = - SDL_LoadFunction(fs_handle, fs_functions[i].name); - if (!*fs_functions[i].func) { - retval = -1; - UnloadFusionSoundLibrary(); - break; - } - } - } - } - - return retval; -} - -#else - -static void -UnloadFusionSoundLibrary() -{ - return; -} - -static int -LoadFusionSoundLibrary(void) -{ - return 0; -} - -#endif /* SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC */ - -/* This function waits until it is possible to write a full sound buffer */ -static void -SDL_FS_WaitDevice(_THIS) -{ - this->hidden->stream->Wait(this->hidden->stream, - this->hidden->mixsamples); -} - -static void -SDL_FS_PlayDevice(_THIS) -{ - DirectResult ret; - - ret = this->hidden->stream->Write(this->hidden->stream, - this->hidden->mixbuf, - this->hidden->mixsamples); - /* If we couldn't write, assume fatal error for now */ - if (ret) { - SDL_OpenedAudioDeviceDisconnected(this); - } -#ifdef DEBUG_AUDIO - fprintf(stderr, "Wrote %d bytes of audio data\n", this->hidden->mixlen); -#endif -} - - -static Uint8 * -SDL_FS_GetDeviceBuf(_THIS) -{ - return (this->hidden->mixbuf); -} - - -static void -SDL_FS_CloseDevice(_THIS) -{ - if (this->hidden->stream) { - this->hidden->stream->Release(this->hidden->stream); - } - if (this->hidden->fs) { - this->hidden->fs->Release(this->hidden->fs); - } - SDL_free(this->hidden->mixbuf); - SDL_free(this->hidden); -} - - -static int -SDL_FS_OpenDevice(_THIS, void *handle, const char *devname, int iscapture) -{ - int bytes; - SDL_AudioFormat test_format = 0, format = 0; - FSSampleFormat fs_format; - FSStreamDescription desc; - DirectResult ret; - - /* Initialize all variables that we clean on shutdown */ - this->hidden = (struct SDL_PrivateAudioData *) - SDL_malloc((sizeof *this->hidden)); - if (this->hidden == NULL) { - return SDL_OutOfMemory(); - } - SDL_zerop(this->hidden); - - /* Try for a closest match on audio format */ - for (test_format = SDL_FirstAudioFormat(this->spec.format); - !format && test_format;) { -#ifdef DEBUG_AUDIO - fprintf(stderr, "Trying format 0x%4.4x\n", test_format); -#endif - switch (test_format) { - case AUDIO_U8: - fs_format = FSSF_U8; - bytes = 1; - format = 1; - break; - case AUDIO_S16SYS: - fs_format = FSSF_S16; - bytes = 2; - format = 1; - break; - case AUDIO_S32SYS: - fs_format = FSSF_S32; - bytes = 4; - format = 1; - break; - case AUDIO_F32SYS: - fs_format = FSSF_FLOAT; - bytes = 4; - format = 1; - break; - default: - format = 0; - break; - } - if (!format) { - test_format = SDL_NextAudioFormat(); - } - } - - if (format == 0) { - return SDL_SetError("Couldn't find any hardware audio formats"); - } - this->spec.format = test_format; - - /* Retrieve the main sound interface. */ - ret = SDL_NAME(FusionSoundCreate) (&this->hidden->fs); - if (ret) { - return SDL_SetError("Unable to initialize FusionSound: %d", ret); - } - - this->hidden->mixsamples = this->spec.size / bytes / this->spec.channels; - - /* Fill stream description. */ - desc.flags = FSSDF_SAMPLERATE | FSSDF_BUFFERSIZE | - FSSDF_CHANNELS | FSSDF_SAMPLEFORMAT | FSSDF_PREBUFFER; - desc.samplerate = this->spec.freq; - desc.buffersize = this->spec.size * FUSION_BUFFERS; - desc.channels = this->spec.channels; - desc.prebuffer = 10; - desc.sampleformat = fs_format; - - ret = - this->hidden->fs->CreateStream(this->hidden->fs, &desc, - &this->hidden->stream); - if (ret) { - return SDL_SetError("Unable to create FusionSoundStream: %d", ret); - } - - /* See what we got */ - desc.flags = FSSDF_SAMPLERATE | FSSDF_BUFFERSIZE | - FSSDF_CHANNELS | FSSDF_SAMPLEFORMAT; - ret = this->hidden->stream->GetDescription(this->hidden->stream, &desc); - - this->spec.freq = desc.samplerate; - this->spec.size = - desc.buffersize / FUSION_BUFFERS * bytes * desc.channels; - this->spec.channels = desc.channels; - - /* Calculate the final parameters for this audio specification */ - SDL_CalculateAudioSpec(&this->spec); - - /* Allocate mixing buffer */ - this->hidden->mixlen = this->spec.size; - this->hidden->mixbuf = (Uint8 *) SDL_malloc(this->hidden->mixlen); - if (this->hidden->mixbuf == NULL) { - return SDL_OutOfMemory(); - } - SDL_memset(this->hidden->mixbuf, this->spec.silence, this->spec.size); - - /* We're ready to rock and roll. :-) */ - return 0; -} - - -static void -SDL_FS_Deinitialize(void) -{ - UnloadFusionSoundLibrary(); -} - - -static int -SDL_FS_Init(SDL_AudioDriverImpl * impl) -{ - if (LoadFusionSoundLibrary() < 0) { - return 0; - } else { - DirectResult ret; - - ret = SDL_NAME(FusionSoundInit) (NULL, NULL); - if (ret) { - UnloadFusionSoundLibrary(); - SDL_SetError - ("FusionSound: SDL_FS_init failed (FusionSoundInit: %d)", - ret); - return 0; - } - } - - /* Set the function pointers */ - impl->OpenDevice = SDL_FS_OpenDevice; - impl->PlayDevice = SDL_FS_PlayDevice; - impl->WaitDevice = SDL_FS_WaitDevice; - impl->GetDeviceBuf = SDL_FS_GetDeviceBuf; - impl->CloseDevice = SDL_FS_CloseDevice; - impl->Deinitialize = SDL_FS_Deinitialize; - impl->OnlyHasDefaultOutputDevice = 1; - - return 1; /* this audio target is available. */ -} - - -AudioBootStrap FUSIONSOUND_bootstrap = { - "fusionsound", "FusionSound", SDL_FS_Init, 0 -}; - -#endif /* SDL_AUDIO_DRIVER_FUSIONSOUND */ - -/* vi: set ts=4 sw=4 expandtab: */ diff --git a/3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.h b/3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.h deleted file mode 100644 index 5cf8a2009b1..00000000000 --- a/3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 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_fsaudio_h -#define _SDL_fsaudio_h - -#include <fusionsound/fusionsound.h> - -#include "../SDL_sysaudio.h" - -/* Hidden "this" pointer for the audio functions */ -#define _THIS SDL_AudioDevice *this - -struct SDL_PrivateAudioData -{ - /* Interface */ - IFusionSound *fs; - - /* The stream interface for the audio device */ - IFusionSoundStream *stream; - - /* Raw mixing buffer */ - Uint8 *mixbuf; - int mixlen; - int mixsamples; - -}; - -#endif /* _SDL_fsaudio_h */ -/* vi: set ts=4 sw=4 expandtab: */ |