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OSF isn't supported anymore.

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This commit is contained in:
Sam Lantinga 2011-02-28 09:09:13 -08:00
parent 303287a180
commit 6053ae5234
6 changed files with 2 additions and 465 deletions
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4
src/audio/SDL_audio.c
View file

@ -64,7 +64,6 @@ extern AudioBootStrap SNDMGR_bootstrap;
extern AudioBootStrap DISKAUD_bootstrap;
extern AudioBootStrap DUMMYAUD_bootstrap;
extern AudioBootStrap DCAUD_bootstrap;
extern AudioBootStrap MMEAUDIO_bootstrap;
extern AudioBootStrap DART_bootstrap;
extern AudioBootStrap NDSAUD_bootstrap;
extern AudioBootStrap FUSIONSOUND_bootstrap;
@ -125,9 +124,6 @@ static const AudioBootStrap *const bootstrap[] = {
#if SDL_AUDIO_DRIVER_DUMMY
&DUMMYAUD_bootstrap,
#endif
#if SDL_AUDIO_DRIVER_MMEAUDIO
&MMEAUDIO_bootstrap,
#endif
#if SDL_AUDIO_DRIVER_NDS
&NDSAUD_bootstrap,
#endif

260
src/audio/mme/SDL_mmeaudio.c
View file

@ -1,260 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2011 Sam Lantinga
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 St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
/* Tru64 UNIX MME support */
#include <mme_api.h>
#include "SDL_timer.h"
#include "SDL_audio.h"
#include "../SDL_audio_c.h"
#include "SDL_mmeaudio.h"
static BOOL inUse[NUM_BUFFERS];
static void
SetMMerror(char *function, MMRESULT code)
{
int len;
char errbuf[MAXERRORLENGTH];
SDL_snprintf(errbuf, SDL_arraysize(errbuf), "%s: ", function);
len = SDL_strlen(errbuf);
waveOutGetErrorText(code, errbuf + len, MAXERRORLENGTH - len);
SDL_SetError("%s", errbuf);
}
static void CALLBACK
MME_Callback(HWAVEOUT hwo,
UINT uMsg, DWORD dwInstance, LPARAM dwParam1, LPARAM dwParam2)
{
WAVEHDR *wp = (WAVEHDR *) dwParam1;
if (uMsg == WOM_DONE)
inUse[wp->dwUser] = FALSE;
}
static int
MME_OpenDevice(_THIS, const char *devname, int iscapture)
{
int valid_format = 0;
MMRESULT result;
Uint8 *mixbuf = NULL;
int i;
/* Initialize all variables that we clean on shutdown */
this->hidden = (struct SDL_PrivateAudioData *)
SDL_malloc((sizeof *this->hidden));
if (this->hidden == NULL) {
SDL_OutOfMemory();
return 0;
}
SDL_memset(this->hidden, 0, (sizeof *this->hidden));
/* Set basic WAVE format parameters */
this->hidden->shm = mmeAllocMem(sizeof(*this->hidden->shm));
if (this->hidden->shm == NULL) {
MME_CloseDevice(this);
SDL_OutOfMemory();
return 0;
}
SDL_memset(this->hidden->shm, '\0', sizeof(*this->hidden->shm));
this->hidden->shm->sound = 0;
this->hidden->shm->wFmt.wf.wFormatTag = WAVE_FORMAT_PCM;
/* Determine the audio parameters from the AudioSpec */
/* Try for a closest match on audio format */
for (test_format = SDL_FirstAudioFormat(this->spec.format);
!valid_format && test_format;) {
valid_format = 1;
switch (test_format) {
case AUDIO_U8:
case AUDIO_S16:
case AUDIO_S32:
break;
default:
valid_format = 0;
test_format = SDL_NextAudioFormat();
}
}
if (!valid_format) {
MME_CloseDevice(this);
SDL_SetError("Unsupported audio format");
return 0;
}
this->spec.format = test_format;
this->hidden->shm->wFmt.wBitsPerSample = SDL_AUDIO_BITSIZE(test_format);
/* !!! FIXME: Can this handle more than stereo? */
this->hidden->shm->wFmt.wf.nChannels = this->spec.channels;
this->hidden->shm->wFmt.wf.nSamplesPerSec = this->spec.freq;
this->hidden->shm->wFmt.wf.nBlockAlign =
this->hidden->shm->wFmt.wf.nChannels *
this->hidden->shm->wFmt.wBitsPerSample / 8;
this->hidden->shm->wFmt.wf.nAvgBytesPerSec =
this->hidden->shm->wFmt.wf.nSamplesPerSec *
this->hidden->shm->wFmt.wf.nBlockAlign;
/* Check the buffer size -- minimum of 1/4 second (word aligned) */
if (this->spec.samples < (this->spec.freq / 4))
this->spec.samples = ((this->spec.freq / 4) + 3) & ~3;
/* Update the fragment size as size in bytes */
SDL_CalculateAudioSpec(&this->spec);
/* Open the audio device */
result = waveOutOpen(&(this->hidden->shm->sound),
WAVE_MAPPER,
&(this->hidden->shm->wFmt.wf),
MME_Callback,
NULL, (CALLBACK_FUNCTION | WAVE_OPEN_SHAREABLE));
if (result != MMSYSERR_NOERROR) {
MME_CloseDevice(this);
SetMMerror("waveOutOpen()", result);
return 0;
}
/* Create the sound buffers */
mixbuf = (Uint8 *) mmeAllocBuffer(NUM_BUFFERS * (this->spec.size));
if (mixbuf == NULL) {
MME_CloseDevice(this);
SDL_OutOfMemory();
return 0;
}
this->hidden->mixbuf = mixbuf;
for (i = 0; i < NUM_BUFFERS; i++) {
this->hidden->shm->wHdr[i].lpData = &mixbuf[i * (this->spec.size)];
this->hidden->shm->wHdr[i].dwBufferLength = this->spec.size;
this->hidden->shm->wHdr[i].dwFlags = 0;
this->hidden->shm->wHdr[i].dwUser = i;
this->hidden->shm->wHdr[i].dwLoops = 0; /* loop control counter */
this->hidden->shm->wHdr[i].lpNext = NULL; /* reserved for driver */
this->hidden->shm->wHdr[i].reserved = 0;
inUse[i] = FALSE;
}
this->hidden->next_buffer = 0;
return 1;
}
static void
MME_WaitDevice(_THIS)
{
while (inUse[this->hidden->next_buffer]) {
mmeWaitForCallbacks();
mmeProcessCallbacks();
}
}
static Uint8 *
MME_GetDeviceBuf(_THIS)
{
void *retval = this->hidden->shm->wHdr[this->hidden->next_buffer].lpData;
inUse[this->hidden->next_buffer] = TRUE;
return (Uint8 *) retval;
}
static void
MME_PlayDevice(_THIS)
{
/* Queue it up */
waveOutWrite(this->hidden->shm->sound,
&(this->hidden->shm->wHdr[this->hidden->next_buffer]),
sizeof(WAVEHDR));
this->hidden->next_buffer = (this->hidden->next_buffer + 1) % NUM_BUFFERS;
}
static void
MME_WaitDone(_THIS)
{
MMRESULT result;
int i;
if (this->hidden->shm->sound) {
for (i = 0; i < NUM_BUFFERS; i++)
while (inUse[i]) {
mmeWaitForCallbacks();
mmeProcessCallbacks();
}
result = waveOutReset(this->hidden->shm->sound);
if (result != MMSYSERR_NOERROR)
SetMMerror("waveOutReset()", result);
mmeProcessCallbacks();
}
}
static void
MME_CloseDevice(_THIS)
{
if (this->hidden != NULL) {
MMRESULT result;
if (this->hidden->mixbuf) {
result = mmeFreeBuffer(this->hidden->mixbuf);
if (result != MMSYSERR_NOERROR)
SetMMerror("mmeFreeBuffer", result);
this->hidden->mixbuf = NULL;
}
if (this->hidden->shm) {
if (this->hidden->shm->sound) {
result = waveOutClose(this->hidden->shm->sound);
if (result != MMSYSERR_NOERROR)
SetMMerror("waveOutClose()", result);
mmeProcessCallbacks();
}
result = mmeFreeMem(this->hidden->shm);
if (result != MMSYSERR_NOERROR)
SetMMerror("mmeFreeMem()", result);
this->hidden->shm = NULL;
}
SDL_free(this->hidden);
this->hidden = NULL;
}
}
static int
MME_Init(SDL_AudioDriverImpl * impl)
{
/* Set the function pointers */
impl->OpenDevice = MME_OpenDevice;
impl->WaitDevice = MME_WaitDevice;
impl->WaitDone = MME_WaitDone;
impl->PlayDevice = MME_PlayDevice;
impl->GetDeviceBuf = MME_GetDeviceBuf;
impl->CloseDevice = MME_CloseDevice;
impl->OnlyHasDefaultOutputDevice = 1;
return 1; /* this audio target is available. */
}
/* !!! FIXME: Windows "windib" driver is called waveout, too */
AudioBootStrap MMEAUDIO_bootstrap = {
"waveout", "Tru64 MME WaveOut", MME_Init, 0
};
/* vi: set ts=4 sw=4 expandtab: */

51
src/audio/mme/SDL_mmeaudio.h
View file

@ -1,51 +0,0 @@
/*
SDL - Simple DirectMedia Layer
Copyright (C) 1997-2011 Sam Lantinga
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 St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
/* Allow access to a raw mixing buffer */
#ifndef _SDL_mmeaudio_h
#define _SDL_mmeaudio_h
#include "../SDL_sysaudio.h"
/* Hidden "this" pointer for the audio functions */
#define _THIS SDL_AudioDevice *this
#define NUM_BUFFERS 2
struct SharedMem
{
HWAVEOUT sound;
WAVEHDR wHdr[NUM_BUFFERS];
PCMWAVEFORMAT wFmt;
};
struct SDL_PrivateAudioData
{
Uint8 *mixbuf; /* The raw allocated mixing buffer */
struct SharedMem *shm;
int next_buffer;
};
#endif /* _SDL_mmeaudio_h */
/* vi: set ts=4 sw=4 expandtab: */