From d8239786b306ffda6d5d73753d01f0ad3358e1a0 Mon Sep 17 00:00:00 2001 From: Jesse Hall Date: Tue, 17 Jul 2012 16:58:55 -0700 Subject: Delete sdl-1.2.12 Change-Id: Ia96f80df04035ae84be3af468c945f2cec14f99c --- distrib/sdl-1.2.12/src/audio/mme/SDL_mmeaudio.c | 264 ------------------------ 1 file changed, 264 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/audio/mme/SDL_mmeaudio.c (limited to 'distrib/sdl-1.2.12/src/audio/mme/SDL_mmeaudio.c') diff --git a/distrib/sdl-1.2.12/src/audio/mme/SDL_mmeaudio.c b/distrib/sdl-1.2.12/src/audio/mme/SDL_mmeaudio.c deleted file mode 100644 index cb4d2be..0000000 --- a/distrib/sdl-1.2.12/src/audio/mme/SDL_mmeaudio.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2004 Sam Lantinga - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public - License along with this library; if not, write to the Free - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - - Sam Lantinga - slouken@libsdl.org -*/ -#include "SDL_config.h" - -/* Tru64 UNIX MME support */ -#include - -#include "SDL_timer.h" -#include "SDL_audio.h" -#include "../SDL_audio_c.h" -#include "SDL_mmeaudio.h" - -static BOOL inUse[NUM_BUFFERS]; - -/* Audio driver functions */ -static int MME_OpenAudio(_THIS, SDL_AudioSpec *spec); -static void MME_WaitAudio(_THIS); -static Uint8 *MME_GetAudioBuf(_THIS); -static void MME_PlayAudio(_THIS); -static void MME_WaitDone(_THIS); -static void MME_CloseAudio(_THIS); - -/* Audio driver bootstrap functions */ -static int Audio_Available(void) -{ - return(1); -} - -static void Audio_DeleteDevice(SDL_AudioDevice *device) -{ - if ( device ) { - if ( device->hidden ) { - SDL_free(device->hidden); - device->hidden = NULL; - } - SDL_free(device); - device = NULL; - } -} - -static SDL_AudioDevice *Audio_CreateDevice(int devindex) -{ - SDL_AudioDevice *this; - -/* Initialize all variables that we clean on shutdown */ - this = SDL_malloc(sizeof(SDL_AudioDevice)); - if ( this ) { - SDL_memset(this, 0, (sizeof *this)); - this->hidden = SDL_malloc((sizeof *this->hidden)); - } - if ( (this == NULL) || (this->hidden == NULL) ) { - SDL_OutOfMemory(); - if ( this ) { - SDL_free(this); - } - return(0); - } - SDL_memset(this->hidden, 0, (sizeof *this->hidden)); - /* Set the function pointers */ - this->OpenAudio = MME_OpenAudio; - this->WaitAudio = MME_WaitAudio; - this->PlayAudio = MME_PlayAudio; - this->GetAudioBuf = MME_GetAudioBuf; - this->WaitDone = MME_WaitDone; - this->CloseAudio = MME_CloseAudio; - this->free = Audio_DeleteDevice; - - return this; -} - -AudioBootStrap MMEAUDIO_bootstrap = { - "waveout", "Tru64 MME WaveOut", - Audio_Available, Audio_CreateDevice -}; - -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_OpenAudio(_THIS, SDL_AudioSpec *spec) -{ - MMRESULT result; - int i; - - mixbuf = NULL; - - /* Set basic WAVE format parameters */ - shm = mmeAllocMem(sizeof(*shm)); - if ( shm == NULL ) { - SDL_SetError("Out of memory: shm"); - return(-1); - } - shm->sound = 0; - shm->wFmt.wf.wFormatTag = WAVE_FORMAT_PCM; - - /* Determine the audio parameters from the AudioSpec */ - switch ( spec->format & 0xFF ) { - case 8: - /* Unsigned 8 bit audio data */ - spec->format = AUDIO_U8; - shm->wFmt.wBitsPerSample = 8; - break; - case 16: - /* Signed 16 bit audio data */ - spec->format = AUDIO_S16; - shm->wFmt.wBitsPerSample = 16; - break; - default: - SDL_SetError("Unsupported audio format"); - return(-1); - } - - shm->wFmt.wf.nChannels = spec->channels; - shm->wFmt.wf.nSamplesPerSec = spec->freq; - shm->wFmt.wf.nBlockAlign = - shm->wFmt.wf.nChannels * shm->wFmt.wBitsPerSample / 8; - shm->wFmt.wf.nAvgBytesPerSec = - shm->wFmt.wf.nSamplesPerSec * shm->wFmt.wf.nBlockAlign; - - /* Check the buffer size -- minimum of 1/4 second (word aligned) */ - if ( spec->samples < (spec->freq/4) ) - spec->samples = ((spec->freq/4)+3)&~3; - - /* Update the fragment size as size in bytes */ - SDL_CalculateAudioSpec(spec); - - /* Open the audio device */ - result = waveOutOpen(&(shm->sound), - WAVE_MAPPER, - &(shm->wFmt.wf), - MME_CALLBACK, - NULL, - (CALLBACK_FUNCTION|WAVE_OPEN_SHAREABLE)); - if ( result != MMSYSERR_NOERROR ) { - SetMMerror("waveOutOpen()", result); - return(-1); - } - - /* Create the sound buffers */ - mixbuf = (Uint8 *)mmeAllocBuffer(NUM_BUFFERS * (spec->size)); - if ( mixbuf == NULL ) { - SDL_SetError("Out of memory: mixbuf"); - return(-1); - } - - for (i = 0; i < NUM_BUFFERS; i++) { - shm->wHdr[i].lpData = &mixbuf[i * (spec->size)]; - shm->wHdr[i].dwBufferLength = spec->size; - shm->wHdr[i].dwFlags = 0; - shm->wHdr[i].dwUser = i; - shm->wHdr[i].dwLoops = 0; /* loop control counter */ - shm->wHdr[i].lpNext = NULL; /* reserved for driver */ - shm->wHdr[i].reserved = 0; - inUse[i] = FALSE; - } - next_buffer = 0; - return 0; -} - -static void MME_WaitAudio(_THIS) -{ - while ( inUse[next_buffer] ) { - mmeWaitForCallbacks(); - mmeProcessCallbacks(); - } -} - -static Uint8 *MME_GetAudioBuf(_THIS) -{ - Uint8 *retval; - - inUse[next_buffer] = TRUE; - retval = (Uint8 *)(shm->wHdr[next_buffer].lpData); - return retval; -} - -static void MME_PlayAudio(_THIS) -{ - /* Queue it up */ - waveOutWrite(shm->sound, &(shm->wHdr[next_buffer]), sizeof(WAVEHDR)); - next_buffer = (next_buffer+1)%NUM_BUFFERS; -} - -static void MME_WaitDone(_THIS) -{ - MMRESULT result; - int i; - - if ( shm->sound ) { - for (i = 0; i < NUM_BUFFERS; i++) - while ( inUse[i] ) { - mmeWaitForCallbacks(); - mmeProcessCallbacks(); - } - result = waveOutReset(shm->sound); - if ( result != MMSYSERR_NOERROR ) - SetMMerror("waveOutReset()", result); - mmeProcessCallbacks(); - } -} - -static void MME_CloseAudio(_THIS) -{ - MMRESULT result; - - if ( mixbuf ) { - result = mmeFreeBuffer(mixbuf); - if (result != MMSYSERR_NOERROR ) - SetMMerror("mmeFreeBuffer", result); - mixbuf = NULL; - } - - if ( shm ) { - if ( shm->sound ) { - result = waveOutClose(shm->sound); - if (result != MMSYSERR_NOERROR ) - SetMMerror("waveOutClose()", result); - mmeProcessCallbacks(); - } - result = mmeFreeMem(shm); - if (result != MMSYSERR_NOERROR ) - SetMMerror("mmeFreeMem()", result); - shm = NULL; - } -} - -- cgit v1.1