#include "meta.h" #include "../util.h" /* WVS WVS (found in Metal Arms - Glitch in the System) */ VGMSTREAM * init_vgmstream_xbox_wvs(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; char filename[260]; int loop_flag=0; int channel_count; int i; /* check extension, case insensitive */ streamFile->get_name(streamFile,filename,sizeof(filename)); if (strcasecmp("wvs",filename_extension(filename))) goto fail; if((read_16bitLE(0x0C,streamFile)!=0x69) && (read_16bitLE(0x08,streamFile)!=0x4400) && (read_32bitLE(0x0,streamFile)!=get_streamfile_size(streamFile)+0x20)) goto fail; /* Loop seems to be set if offset(0x0A) == 0x472C */ loop_flag = (read_16bitLE(0x0A,streamFile)==0x472C); /* Always stereo files */ channel_count=read_16bitLE(0x0E,streamFile); /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; /* fill in the vital statistics */ /* allways 2 channels @ 44100 Hz */ vgmstream->channels = channel_count; vgmstream->sample_rate = read_32bitLE(0x10,streamFile); vgmstream->coding_type = coding_XBOX; vgmstream->num_samples = read_32bitLE(0,streamFile) / 36 * 64 / vgmstream->channels; vgmstream->layout_type = layout_none; vgmstream->meta_type = meta_XBOX_WVS; if(loop_flag) { vgmstream->loop_start_sample=0; vgmstream->loop_end_sample=vgmstream->num_samples; } /* open the file for reading by each channel */ { for (i=0;ich[i].streamfile = streamFile->open(streamFile,filename,36); vgmstream->ch[i].offset = 0x20; if (!vgmstream->ch[i].streamfile) goto fail; } } return vgmstream; /* clean up anything we may have opened */ fail: if (vgmstream) close_vgmstream(vgmstream); return NULL; }