mirror of
https://github.com/DrBeef/QVR.git
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185 lines
4.1 KiB
C
185 lines
4.1 KiB
C
/*
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Copyright (C) 2013 n0n3m4
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Copyright (C) 2004 Andreas Kirsch
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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#include <math.h>
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#include "snd_main.h"
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static unsigned int audiopos = 0;
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static unsigned int buffersize;
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__attribute__((weak)) __dso_handle=0;
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extern void jni_initAudio(void *buffer, int size);
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extern void jni_writeAudio(int offset, int length);
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void QC_GetAudio()
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{
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int offset = (audiopos*4) & (buffersize - 1);
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if (snd_renderbuffer!=NULL)
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jni_writeAudio(offset, 2048*4);
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audiopos+=2048;
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}
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/*
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====================
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SndSys_Init
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Create "snd_renderbuffer" with the proper sound format if the call is successful
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May return a suggested format if the requested format isn't available
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====================
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*/
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qboolean SndSys_Init (const snd_format_t* requested, snd_format_t* suggested)
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{
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snd_threaded = false;
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Con_DPrint ("SndSys_Init: using the ANDROID module\n");
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int wantspecfreq = requested->speed;
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int wantspecformat = (requested->width);
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int wantspecchannels = requested->channels;
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Con_Printf("Wanted audio Specification:\n"
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"\tChannels : %i\n"
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"\tFormat : 0x%X\n"
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"\tFrequency : %i\n",
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wantspecchannels, wantspecformat, wantspecfreq);
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int obtainspecchannels=2;
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int obtainspecfreq=44100;
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int obtainspecformat=2;
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Con_Printf("Obtained audio specification:\n"
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"\tChannels : %i\n"
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"\tFormat : 0x%X\n"
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"\tFrequency : %i\n",
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obtainspecchannels, obtainspecformat, obtainspecfreq);
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// If we haven't obtained what we wanted
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if (wantspecfreq != obtainspecfreq ||
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wantspecformat != obtainspecformat ||
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wantspecchannels != obtainspecchannels)
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{
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// Pass the obtained format as a suggested format
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if (suggested != NULL)
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{
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suggested->speed = obtainspecfreq;
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suggested->width = obtainspecformat;
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suggested->channels = obtainspecchannels;
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}
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return false;
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}
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snd_threaded = false; //TODO!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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snd_renderbuffer = Snd_CreateRingBuffer(requested, 16384, 0);
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if (snd_channellayout.integer == SND_CHANNELLAYOUT_AUTO)
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Cvar_SetValueQuick (&snd_channellayout, SND_CHANNELLAYOUT_STANDARD);
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audiopos = 0;
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buffersize=16384*2*2;
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jni_initAudio(snd_renderbuffer->ring, buffersize);
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return true;
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}
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/*
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====================
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SndSys_Shutdown
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Stop the sound card, delete "snd_renderbuffer" and free its other resources
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====================
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*/
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void SndSys_Shutdown(void)
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{
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if (snd_renderbuffer != NULL)
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{
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Mem_Free(snd_renderbuffer->ring);
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Mem_Free(snd_renderbuffer);
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snd_renderbuffer = NULL;
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}
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}
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/*
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====================
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SndSys_Submit
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Submit the contents of "snd_renderbuffer" to the sound card
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====================
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*/
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void SndSys_Submit (void)
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{
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// Nothing to do here (this sound module is callback-based)
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}
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/*
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====================
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SndSys_GetSoundTime
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Returns the number of sample frames consumed since the sound started
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====================
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*/
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unsigned int SndSys_GetSoundTime (void)
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{
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return audiopos;
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}
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/*
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====================
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SndSys_LockRenderBuffer
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Get the exclusive lock on "snd_renderbuffer"
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====================
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*/
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qboolean SndSys_LockRenderBuffer (void)
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{
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return true;
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}
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/*
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====================
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SndSys_UnlockRenderBuffer
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Release the exclusive lock on "snd_renderbuffer"
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====================
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*/
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void SndSys_UnlockRenderBuffer (void)
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{
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}
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/*
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====================
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SndSys_SendKeyEvents
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Send keyboard events originating from the sound system (e.g. MIDI)
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====================
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*/
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void SndSys_SendKeyEvents(void)
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{
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// not supported
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}
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