sdl-ios-xcode: src/audio/nds/SDL

annotate src/audio/nds/SDL_ndsaudio.c @ 5267:b530ef003506

Happy 2011! :)

author	Sam Lantinga <slouken@libsdl.org>
date	Fri, 11 Feb 2011 22:37:15 -0800
parents	4160ba33b597
children	7aba0406c273

rev	line source
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
5267 b530ef003506 Happy 2011! :) Sam Lantinga <slouken@libsdl.org> parents: 3699 diff changeset	3 Copyright (C) 1997-2011 Sam Lantinga
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 This file written by Ryan C. Gordon (icculus@icculus.org)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23 */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_config.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	25
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26 /* Output audio to NDS */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	27
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	28 #include <nds.h>
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	29
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	30 #include "SDL_audio.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	31 #include "../SDL_audio_c.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	32 #include "SDL_ndsaudio.h"
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	33
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	34 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	35 NDSAUD_OpenDevice(_THIS, const char *devname, int iscapture)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	36 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	37 SDL_AudioFormat test_format = SDL_FirstAudioFormat(this->spec.format);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	38 int valid_datatype = 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	39
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	40 this->hidden = SDL_malloc(sizeof(*(this->hidden)));
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	41 if (!this->hidden) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	42 SDL_OutOfMemory();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	43 return 0;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	44 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	45 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	46
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	47 while ((!valid_datatype) && (test_format)) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	48 this->spec.format = test_format;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	49 switch (test_format) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	50 case AUDIO_S8:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	51 /case AUDIO_S16LSB: /
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	52 valid_datatype = 1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	53 break;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	54 default:
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	55 test_format = SDL_NextAudioFormat();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	56 break;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	57 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	58 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	59
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	60 /* set the generic sound parameters */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	61 setGenericSound(22050, /* sample rate */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	62 127, /* volume */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	63 64, /* panning/balance */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	64 0); /* sound format */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	65
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	66 return 1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	67 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	68
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	69 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	70 NDSAUD_PlayDevice(_THIS)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	71 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	72 TransferSoundData *sound = SDL_malloc(sizeof(TransferSoundData));
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	73 if (!sound) {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	74 SDL_OutOfMemory();
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	75 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	76
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	77 playGenericSound(this->hidden->mixbuf, this->hidden->mixlen);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	78 #if 0
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	79 // sound->data = this->hidden->mixbuf;/* pointer to raw audio data */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	80 // sound->len = this->hidden->mixlen; /* size of raw data pointed to above */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	81 // sound->rate = 22050; /* sample rate = 22050Hz */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	82 // sound->vol = 127; /* volume [0..127] for [min..max] */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	83 // sound->pan = 64; /* balance [0..127] for [left..right] */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	84 // sound->format = 0; /* 0 for 16-bit, 1 for 8-bit */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	85 // playSound(sound);
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	86 #endif
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	87 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	88
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	89
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	90 static Uint8 *
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	91 NDSAUD_GetDeviceBuf(_THIS)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	92 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	93 return this->hidden->mixbuf; /* is this right? */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	94 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	95
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	96 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	97 NDSAUD_WaitDevice(_THIS)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	98 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	99 /* stub */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	100 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	101
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	102 static void
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	103 NDSAUD_CloseDevice(_THIS)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	104 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	105 /* stub */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	106 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	107
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	108 static int
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	109 NDSAUD_Init(SDL_AudioDriverImpl * impl)
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	110 {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	111 /* Set the function pointers */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	112 impl->OpenDevice = NDSAUD_OpenDevice;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	113 impl->PlayDevice = NDSAUD_PlayDevice;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	114 impl->WaitDevice = NDSAUD_WaitDevice;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	115 impl->GetDeviceBuf = NDSAUD_GetDeviceBuf;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	116 impl->CloseDevice = NDSAUD_CloseDevice;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	117
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	118 /* and the capabilities */
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	119 impl->HasCaptureSupport = 1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	120 impl->OnlyHasDefaultOutputDevice = 1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	121 impl->OnlyHasDefaultInputDevice = 1;
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	122
3699 4160ba33b597 Removed test for "driver is valid, but doesn't see any audio devices." Ryan C. Gordon <icculus@icculus.org> parents: 3697 diff changeset	123 return 1; /* this audio target is available. */
2735 204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	124 }
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	125
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	126 AudioBootStrap NDSAUD_bootstrap = {
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	127 "nds", "SDL NDS audio driver", NDSAUD_Init, 0 /1? /
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	128 };
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	129
204be4fc2726 Final merge of Google Summer of Code 2008 work... Sam Lantinga <slouken@libsdl.org> parents: diff changeset	130 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/audio/nds/SDL_ndsaudio.c @ 5267:b530ef003506