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 --- .../sdl-1.2.12/src/audio/amigaos/SDL_ahiaudio.c | 337 --------------------- 1 file changed, 337 deletions(-) delete mode 100644 distrib/sdl-1.2.12/src/audio/amigaos/SDL_ahiaudio.c (limited to 'distrib/sdl-1.2.12/src/audio/amigaos/SDL_ahiaudio.c') diff --git a/distrib/sdl-1.2.12/src/audio/amigaos/SDL_ahiaudio.c b/distrib/sdl-1.2.12/src/audio/amigaos/SDL_ahiaudio.c deleted file mode 100644 index c9a4c1a..0000000 --- a/distrib/sdl-1.2.12/src/audio/amigaos/SDL_ahiaudio.c +++ /dev/null @@ -1,337 +0,0 @@ -/* - SDL - Simple DirectMedia Layer - Copyright (C) 1997-2006 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 (for AmigaOS) */ - -#include "SDL_audio.h" -#include "../SDL_audio_c.h" -#include "SDL_ahiaudio.h" - -/* Audio driver functions */ -static int AHI_OpenAudio(_THIS, SDL_AudioSpec *spec); -static void AHI_WaitAudio(_THIS); -static void AHI_PlayAudio(_THIS); -static Uint8 *AHI_GetAudioBuf(_THIS); -static void AHI_CloseAudio(_THIS); - -#ifndef __SASC - #define mymalloc(x) AllocVec(x,MEMF_PUBLIC) - #define myfree FreeVec -#else - #define mymalloc malloc - #define myfree free -#endif - -/* Audio driver bootstrap functions */ - -static int Audio_Available(void) -{ - int ok=0; - struct MsgPort *p; - struct AHIRequest *req; - - if(p=CreateMsgPort()) - { - if(req=(struct AHIRequest *)CreateIORequest(p,sizeof(struct AHIRequest))) - { - req->ahir_Version=4; - - if(!OpenDevice(AHINAME,0,(struct IORequest *)req,NULL)) - { - D(bug("AHI available.\n")); - ok=1; - CloseDevice((struct IORequest *)req); - } - DeleteIORequest((struct IORequest *)req); - } - DeleteMsgPort(p); - } - - D(if(!ok) bug("AHI not available\n")); - return ok; -} - -static void Audio_DeleteDevice(SDL_AudioDevice *device) -{ - SDL_free(device->hidden); - SDL_free(device); -} - -static SDL_AudioDevice *Audio_CreateDevice(int devindex) -{ - SDL_AudioDevice *this; - -#ifndef NO_AMIGADEBUG - D(bug("AHI created...\n")); -#endif - - /* Initialize all variables that we clean on shutdown */ - this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice)); - if ( this ) { - SDL_memset(this, 0, (sizeof *this)); - this->hidden = (struct SDL_PrivateAudioData *) - 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 = AHI_OpenAudio; - this->WaitAudio = AHI_WaitAudio; - this->PlayAudio = AHI_PlayAudio; - this->GetAudioBuf = AHI_GetAudioBuf; - this->CloseAudio = AHI_CloseAudio; - - this->free = Audio_DeleteDevice; - - return this; -} - -AudioBootStrap AHI_bootstrap = { - "AHI", Audio_Available, Audio_CreateDevice -}; - - -void static AHI_WaitAudio(_THIS) -{ - if(!CheckIO((struct IORequest *)audio_req[current_buffer])) - { - WaitIO((struct IORequest *)audio_req[current_buffer]); -// AbortIO((struct IORequest *)audio_req[current_buffer]); - } -} - -static void AHI_PlayAudio(_THIS) -{ - if(playing>1) - WaitIO((struct IORequest *)audio_req[current_buffer]); - - /* Write the audio data out */ - audio_req[current_buffer] -> ahir_Std. io_Message.mn_Node.ln_Pri = 60; - audio_req[current_buffer] -> ahir_Std. io_Data = mixbuf[current_buffer]; - audio_req[current_buffer] -> ahir_Std. io_Length = this->hidden->size; - audio_req[current_buffer] -> ahir_Std. io_Offset = 0; - audio_req[current_buffer] -> ahir_Std . io_Command = CMD_WRITE; - audio_req[current_buffer] -> ahir_Frequency = this->hidden->freq; - audio_req[current_buffer] -> ahir_Volume = 0x10000; - audio_req[current_buffer] -> ahir_Type = this->hidden->type; - audio_req[current_buffer] -> ahir_Position = 0x8000; - audio_req[current_buffer] -> ahir_Link = (playing>0 ? audio_req[current_buffer^1] : NULL); - - SendIO((struct IORequest *)audio_req[current_buffer]); - current_buffer^=1; - - playing++; -} - -static Uint8 *AHI_GetAudioBuf(_THIS) -{ - return(mixbuf[current_buffer]); -} - -static void AHI_CloseAudio(_THIS) -{ - D(bug("Closing audio...\n")); - - playing=0; - - if(audio_req[0]) - { - if(audio_req[1]) - { - D(bug("Break req[1]...\n")); - - AbortIO((struct IORequest *)audio_req[1]); - WaitIO((struct IORequest *)audio_req[1]); - } - - D(bug("Break req[0]...\n")); - - AbortIO((struct IORequest *)audio_req[0]); - WaitIO((struct IORequest *)audio_req[0]); - - if(audio_req[1]) - { - D(bug("Break AGAIN req[1]...\n")); - AbortIO((struct IORequest *)audio_req[1]); - WaitIO((struct IORequest *)audio_req[1]); - } -// Double abort to be sure to break the dbuffering process. - - SDL_Delay(200); - - D(bug("Reqs breaked, closing device...\n")); - CloseDevice((struct IORequest *)audio_req[0]); - D(bug("Device closed, freeing memory...\n")); - myfree(audio_req[1]); - D(bug("Memory freed, deleting IOReq...\n")); - DeleteIORequest((struct IORequest *)audio_req[0]); - audio_req[0]=audio_req[1]=NULL; - } - - D(bug("Freeing mixbuf[0]...\n")); - if ( mixbuf[0] != NULL ) { - myfree(mixbuf[0]); -// SDL_FreeAudioMem(mixbuf[0]); - mixbuf[0] = NULL; - } - - D(bug("Freeing mixbuf[1]...\n")); - if ( mixbuf[1] != NULL ) { - myfree(mixbuf[1]); -// SDL_FreeAudioMem(mixbuf[1]); - mixbuf[1] = NULL; - } - - D(bug("Freeing audio_port...\n")); - - if ( audio_port != NULL ) { - DeleteMsgPort(audio_port); - audio_port = NULL; - } - D(bug("...done!\n")); -} - -static int AHI_OpenAudio(_THIS, SDL_AudioSpec *spec) -{ -// int width; - - D(bug("AHI opening...\n")); - - /* Determine the audio parameters from the AudioSpec */ - switch ( spec->format & 0xFF ) { - - case 8: { /* Signed 8 bit audio data */ - D(bug("Samples a 8 bit...\n")); - spec->format = AUDIO_S8; - this->hidden->bytespersample=1; - if(spec->channels<2) - this->hidden->type = AHIST_M8S; - else - this->hidden->type = AHIST_S8S; - } - break; - - case 16: { /* Signed 16 bit audio data */ - D(bug("Samples a 16 bit...\n")); - spec->format = AUDIO_S16MSB; - this->hidden->bytespersample=2; - if(spec->channels<2) - this->hidden->type = AHIST_M16S; - else - this->hidden->type = AHIST_S16S; - } - break; - - default: { - SDL_SetError("Unsupported audio format"); - return(-1); - } - } - - if(spec->channels!=1 && spec->channels!=2) - { - D(bug("Wrong channel number!\n")); - SDL_SetError("Channel number non supported"); - return -1; - } - - D(bug("Before CalculateAudioSpec\n")); - /* Update the fragment size as size in bytes */ - SDL_CalculateAudioSpec(spec); - - D(bug("Before CreateMsgPort\n")); - - if(!(audio_port=CreateMsgPort())) - { - SDL_SetError("Unable to create a MsgPort"); - return -1; - } - - D(bug("Before CreateIORequest\n")); - - if(!(audio_req[0]=(struct AHIRequest *)CreateIORequest(audio_port,sizeof(struct AHIRequest)))) - { - SDL_SetError("Unable to create an AHIRequest"); - DeleteMsgPort(audio_port); - return -1; - } - - audio_req[0]->ahir_Version = 4; - - if(OpenDevice(AHINAME,0,(struct IORequest *)audio_req[0],NULL)) - { - SDL_SetError("Unable to open AHI device!\n"); - DeleteIORequest((struct IORequest *)audio_req[0]); - DeleteMsgPort(audio_port); - return -1; - } - - D(bug("AFTER opendevice\n")); - - /* Set output frequency and size */ - this->hidden->freq = spec->freq; - this->hidden->size = spec->size; - - D(bug("Before buffer allocation\n")); - - /* Allocate mixing buffer */ - mixbuf[0] = (Uint8 *)mymalloc(spec->size); - mixbuf[1] = (Uint8 *)mymalloc(spec->size); - - D(bug("Before audio_req allocation\n")); - - if(!(audio_req[1]=mymalloc(sizeof(struct AHIRequest)))) - { - SDL_OutOfMemory(); - return(-1); - } - - D(bug("Before audio_req memcpy\n")); - - SDL_memcpy(audio_req[1],audio_req[0],sizeof(struct AHIRequest)); - - if ( mixbuf[0] == NULL || mixbuf[1] == NULL ) { - SDL_OutOfMemory(); - return(-1); - } - - D(bug("Before mixbuf memset\n")); - - SDL_memset(mixbuf[0], spec->silence, spec->size); - SDL_memset(mixbuf[1], spec->silence, spec->size); - - current_buffer=0; - playing=0; - - D(bug("AHI opened: freq:%ld mixbuf:%lx/%lx buflen:%ld bits:%ld channels:%ld\n",spec->freq,mixbuf[0],mixbuf[1],spec->size,this->hidden->bytespersample*8,spec->channels)); - - /* We're ready to rock and roll. :-) */ - return(0); -} -- cgit v1.1