mirror of https://github.com/ZDoom/raze-gles.git
296 lines
8.4 KiB
C
296 lines
8.4 KiB
C
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#include "dsound.h"
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#include "compat.h"
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#include "winlayer.h"
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#include <al/al.h>
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#include <al/alc.h>
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#include <vorbis/vorbisfile.h>
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#include "_multivc.h"
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ALCdevice * device=NULL;
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ALCcontext * context=NULL;
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char *ALdoing="";
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int AL_Error;
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int bufsize;
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typedef struct SD
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{
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ALuint buffers[16];
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ALuint source;
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ALenum format;
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char loop;
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char type;
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int rate;
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sounddef def;
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}sounddef1;
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sounddef1 sounds1[2];
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char *ALC_ErrorString(int code)
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{
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switch(code)
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{
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case ALC_NO_ERROR:
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return "OpenAL error: There is no current error.";
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case ALC_INVALID_DEVICE:
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return "OpenAL error: No device.";
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case ALC_INVALID_CONTEXT:
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return "OpenAL error: Invalid context ID.";
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case ALC_INVALID_ENUM:
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return "OpenAL error: Invalid parameter.";
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case ALC_INVALID_VALUE:
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return "OpenAL error: Invalid enum parameter value.";
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case ALC_OUT_OF_MEMORY:
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return "OpenAL error: Unable to allocate memory.";
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default:
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return "OpenAL error: Unknown error.";
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}
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}
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char *AL_ErrorString(int code)
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{
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switch(code)
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{
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case AL_NO_ERROR:
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return "OpenAL error: There is no current error.";
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case AL_INVALID_NAME:
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return "OpenAL error: Invalid name parameter.";
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case AL_INVALID_ENUM:
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return "OpenAL error: Invalid parameter.";
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case AL_INVALID_VALUE:
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return "OpenAL error: Invalid enum parameter value.";
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case AL_INVALID_OPERATION:
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return "OpenAL error: Illegal call.";
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case AL_OUT_OF_MEMORY:
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return "OpenAL error: Unable to allocate memory.";
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case OV_EFAULT:
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return "Internal logic fault (bug or heap/stack corruption.";
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case OV_EREAD:
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return "Read from media.";
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case OV_EIMPL:
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return "The bitstream makes use of a feature not implemented in this library version.";
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case OV_EINVAL:
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return "Invalid argument value.";
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case OV_ENOTVORBIS:
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return "Not Vorbis data.";
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case OV_EBADHEADER:
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return "Invalid Vorbis header.";
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case OV_EVERSION:
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return "Vorbis version mismatch.";
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case OV_ENOTAUDIO:
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return "Packet data submitted to vorbis_synthesis is not audio data.";
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case OV_EBADPACKET:
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return "Invalid packet submitted to vorbis_synthesis.";
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case OV_EBADLINK:
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return "Invalid stream section supplied to libvorbis/libvorbisfile, or the requested link is corrupt.";
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case OV_ENOSEEK:
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return "Bitstream is not seekable.";
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default:
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return "Unknown OpenAL/Ogg error.";
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}
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}
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void check(int show)
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{
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AL_Error=alcGetError(device);
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if(AL_Error!=ALC_NO_ERROR&&show)initprintf("%s(%s)\n",ALC_ErrorString(AL_Error),ALdoing);
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AL_Error=alGetError();
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if(AL_Error!= AL_NO_ERROR&&show)initprintf("%s(%s)\n", AL_ErrorString(AL_Error),ALdoing);
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}
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extern ov_callbacks cb;
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void AL_Init()
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{
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ALdoing="Init";
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// device=alcOpenDevice(ud.config.HardwareAL?"Generic Hardware":"Generic Software");
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device=alcOpenDevice("Generic Hardware");check(1);
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if(device){context=alcCreateContext(device,NULL);check(1);}
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if(context)
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{
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alcMakeContextCurrent(context);check(1);
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initprintf("OpenAL Information:\n"
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" Version: %s\n"
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" Vendor: %s\n\n",alGetString(AL_VERSION),alGetString(AL_VENDOR));
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} else initprintf("OpenAL initialisation failed. Try http://www.openal.org/\n");
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ALdoing="Open";
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alGenBuffers(16, sounds1[1].buffers);
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check(1);
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alGenSources(1,&sounds1[1].source);
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check(1);
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}
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void AL_Shutdown()
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{
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ALdoing="Delete source";
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alDeleteSources(1,&sounds1[1].source);
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check(1);
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ALdoing="Delete buffers";
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alDeleteBuffers(16, sounds1[1].buffers);
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check(1);
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ALdoing="Shut";
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alcMakeContextCurrent(NULL);
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check(1);
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alcDestroyContext(context);
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check(1);
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alcCloseDevice(device);
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}
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#define BUFFER_SIZE (4096 * 4*8*8)
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int AL_MusicVolume;
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sounddef1 music;
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extern int Musicsize;
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void AL_stop();
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int update();
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int stream(ALuint buffer);
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void open1(char *ptr,int sizef,char loop);
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void AL_Pause() {if(music.def.size)alSourcePause(music.source);}
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void AL_Continue() {if(music.def.size)alSourcePlay(music.source);}
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void AL_Update() {if(music.def.size&&!update(0))AL_stop();}
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int AL_isntALmusic() {return !music.def.size;}
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void AL_SetMusicVolume(int volume)
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{
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AL_MusicVolume=volume;
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if(music.def.size)alSourcef(music.source,AL_GAIN,volume/(255.));
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}
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int isplaying()
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{
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ALenum state;
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alGetSourcei(music.source,AL_SOURCE_STATE,&state);
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return state==AL_PLAYING;
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}
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int update()
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{
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int processed=0;
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int active=1;
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ALuint buffer;
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ALdoing="update";
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alGetSourcei(music.source,AL_BUFFERS_PROCESSED,&processed);
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check(1);
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if(processed)
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switch(music.type)
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{
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case 1:
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while(processed--)
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{
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alSourceUnqueueBuffers(music.source,1,&buffer);
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check(1);
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active=stream(buffer);
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if(active)
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{
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alSourceQueueBuffers(music.source,1,&buffer);
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check(1);
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}
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}
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break;
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}
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return active;
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}
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void AL_stop()
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{
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int queued=0;ALuint buffer;
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if(!music.def.size)return;
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alSourceStop(music.source);
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alGetSourcei(music.source,AL_BUFFERS_QUEUED,&queued);
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ALdoing="release";
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while(queued--)
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{
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alSourceUnqueueBuffers(music.source,1,&buffer);
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check(1);
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}
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alDeleteSources(1,&music.source);check(1);
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alDeleteBuffers(2, music.buffers);check(1);
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if(music.type==1)ov_clear(&music.def.oggStream);
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Bmemset(&music,0,sizeof(sounddef1));
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}
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int stream(ALuint buffer)
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{
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char pcm[BUFFER_SIZE];
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ALsizei size=0;
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int section,result;
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while(size<BUFFER_SIZE)
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{
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result=ov_read(&music.def.oggStream,pcm+size,BUFFER_SIZE-size,0,2,1,§ion);
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if(result==0&&music.loop)ov_pcm_seek(&music.def.oggStream,0);else
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if(result> 0)size+=result;else break;
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}
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if(!size)return 0;
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ALdoing="stream";
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alBufferData(buffer,music.format,pcm,size,music.rate);
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check(1);
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return 1;
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}
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void AL_PlaySong(char *ptr,int loop)
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{
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vorbis_info* vorbisInfo;
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int bf=2,i;
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ALenum format;ALsizei size;ALsizei freq;ALvoid* data;
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if(!context)return;
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Bmemset(&music,0,sizeof(sounddef1));
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switch(*ptr)
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{
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case 'O':music.type=1;break;
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default: return;
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}
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music.def.size=Musicsize;
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music.loop=loop;
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music.def.ptrsnd=ptr;
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switch(music.type)
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{
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case 1:
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if((i=ov_open_callbacks(&music.def,&music.def.oggStream,0,0,cb))<0)
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{
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Bmemset(&music,0,sizeof(sounddef1));
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initprintf("Music error: %s\n",AL_ErrorString(i));
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return;
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}
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vorbisInfo=ov_info(&music.def.oggStream,-1);
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if(!vorbisInfo)
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{
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initprintf("Music error: vorbisInfo\n");
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Bmemset(&music,0,sizeof(sounddef1));
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return;
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}
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music.rate=vorbisInfo->rate;
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music.format=(vorbisInfo->channels==1)?AL_FORMAT_MONO16:AL_FORMAT_STEREO16;break;
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}
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ALdoing="Open";
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alGenBuffers(2, music.buffers);check(1);
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alGenSources(1,&music.source);check(1);
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alSourcei(music.source,AL_SOURCE_RELATIVE,AL_TRUE);
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switch(music.type)
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{
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case 1: stream(music.buffers[0]);
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if(!stream(music.buffers[1]))bf=1;
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alSourceQueueBuffers(music.source,bf,music.buffers);
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break;
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}
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AL_SetMusicVolume(AL_MusicVolume);
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AL_Continue();
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}
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