summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.c
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.c')
-rw-r--r--3rdparty/SDL2/src/audio/fusionsound/SDL_fsaudio.c328
1 files changed, 0 insertions, 328 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: */