#include "meta.h" #include "../coding/coding.h" /* WVS - found in Metal Arms - Glitch in the System (Xbox) */ VGMSTREAM * init_vgmstream_xbox_wvs(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; off_t start_offset; int loop_flag, channel_count; size_t data_size; /* check extension */ if (!check_extensions(streamFile,"wvs")) goto fail; if (read_16bitLE(0x0C,streamFile) != 0x69 && /* codec */ read_16bitLE(0x08,streamFile) != 0x4400) goto fail; start_offset = 0x20; data_size = read_32bitLE(0x00,streamFile); loop_flag = (read_16bitLE(0x0a,streamFile) == 0x472C); /* loop seems to be like this */ channel_count = read_16bitLE(0x0e,streamFile); /* always stereo files */ if (data_size + start_offset != get_streamfile_size(streamFile)) goto fail; /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; vgmstream->sample_rate = read_32bitLE(0x10,streamFile); vgmstream->num_samples = xbox_ima_bytes_to_samples(data_size, vgmstream->channels); vgmstream->loop_start_sample = 0; vgmstream->loop_end_sample = vgmstream->num_samples; vgmstream->coding_type = coding_XBOX_IMA; vgmstream->layout_type = layout_none; vgmstream->meta_type = meta_XBOX_WVS; if (!vgmstream_open_stream(vgmstream, streamFile, start_offset)) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; } /* WVS (found in Metal Arms - Glitch in the System) */ VGMSTREAM * init_vgmstream_ngc_wvs(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; char filename[PATH_LIMIT]; off_t start_offset; int loop_flag; int channel_count; /* check extension, case insensitive */ streamFile->get_name(streamFile,filename,sizeof(filename)); if (strcasecmp("wvs",filename_extension(filename))) goto fail; if ((read_32bitBE(0x14,streamFile)*read_32bitBE(0x00,streamFile)+0x60) != (get_streamfile_size(streamFile))) { goto fail; } loop_flag = read_32bitBE(0x10,streamFile); channel_count = read_32bitBE(0x00,streamFile); /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; /* fill in the vital statistics */ start_offset = 0x60; if (channel_count == 1) { vgmstream->sample_rate = 22050; } else if (channel_count == 2) { vgmstream->sample_rate = 44100; } vgmstream->channels = channel_count; vgmstream->coding_type = coding_NGC_DSP; vgmstream->num_samples = (get_streamfile_size(streamFile)-start_offset)/8/channel_count*14; //(read_32bitBE(0x0C,streamFile)-start_offset)/8/channel_count*14; if (loop_flag) { vgmstream->loop_start_sample = (read_32bitBE(0x10,streamFile)*2)/8/channel_count*14; vgmstream->loop_end_sample = (read_32bitBE(0x14,streamFile)*2)/8/channel_count*14; } vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = read_32bitBE(0x0C,streamFile); vgmstream->meta_type = meta_NGC_WVS; if (vgmstream->coding_type == coding_NGC_DSP) { int i,c; for (c=0;c<channel_count;c++) { for (i=0;i<16;i++) { vgmstream->ch[c].adpcm_coef[i] = read_16bitBE(0x18+c*0x20 +i*2,streamFile); } } } /* open the file for reading */ { int i; STREAMFILE * file; file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE); if (!file) goto fail; for (i=0;i<channel_count;i++) { vgmstream->ch[i].streamfile = file; vgmstream->ch[i].channel_start_offset= vgmstream->ch[i].offset=start_offset+ vgmstream->interleave_block_size*i; } } return vgmstream; /* clean up anything we may have opened */ fail: if (vgmstream) close_vgmstream(vgmstream); return NULL; }