bool CSoundData::ReadFromDisk() { assert(m_assigned == true); LARGE_INTEGER start; QueryPerformanceCounter(&start); U32* s = (U32 *) AIL_file_read(m_filename, FILE_READ_WITH_SIZE); if (s == NULL) return false; S32 type = AIL_file_type(s + 1, s[0]); AILSOUNDINFO info; switch (type) { case AILFILETYPE_PCM_WAV: { m_data = s; m_size = *((S32 *) s); m_flag |= FLAG_DATA_SIZE; } break; case AILFILETYPE_ADPCM_WAV: // 3D 사운드는 decompress 해야 함. { AIL_WAV_info(s + 1, &info); AIL_decompress_ADPCM(&info, &m_data, &m_size); AIL_mem_free_lock(s); } break; case AILFILETYPE_MPEG_L3_AUDIO: { AIL_decompress_ASI(s + 1, *((S32 *) s), m_filename, &m_data, &m_size, 0); AIL_mem_free_lock(s); } break; default: assert(!"Unknown File Type"); AIL_mem_free_lock(s); return false; } return true; }
void vrpn_Sound_Server_Miles::loadSound(char* filename, vrpn_SoundID id) /*loads a .wav file into memory. gives back id to reference the sound currently (7/28/99) this does not reuse space previously vacated in samples by unloading sounds*/ { if (provider != 0) { fprintf(stdout,"Loading sound: #%d %s\n", id, filename); ChangeSoundIdBox(0,id); //load into handle unsigned long *s; long type; H3DSAMPLE handle; void *sample_address; void *d; AILSOUNDINFO info; LastSoundId = id; //load the .wav file into memory s = (unsigned long *)AIL_file_read(filename, FILE_READ_WITH_SIZE); if (s==0) return; type=AIL_file_type(s+1,s[0]); switch (type) { case AILFILETYPE_PCM_WAV: sample_address = s+1; break; case AILFILETYPE_ADPCM_WAV: AIL_WAV_info(s+1,&info); AIL_decompress_ADPCM(&info,&d,0); AIL_mem_free_lock(s); sample_address = d; break; default: AIL_mem_free_lock(s); return; } //initialize handle handle = AIL_allocate_3D_sample_handle(provider); //tell handle where the .wav file is in memory AIL_set_3D_sample_file(handle, sample_address); //set defaults AIL_set_3D_sample_volume(handle, 100); //default volume is 100 on 0...127 inclusive AIL_set_3D_position(handle,0,0,0); AIL_set_3D_orientation(handle, 0,0,-1,0,1,0); AIL_set_3D_velocity(handle,0,0,-1,0); AIL_set_3D_sample_distances(handle, 200, 20); //load handle into samples addSample(handle, id); /*Sample level environment preferences (ie, EAX_ENVIRONMENT_BATHROOM) could be added in here as a passed-in parameter*/ } else fprintf(stderr,"No provider has been set prior to LoadSound\n"); }