#include "meta.h" #include "../util.h" /* KCES (from Dance Dance Revolution) */ VGMSTREAM * init_vgmstream_ps2_kces(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; char filename[PATH_LIMIT]; off_t start_offset; int loop_flag = 0; int channel_count; /* check extension, case insensitive */ streamFile->get_name(streamFile,filename,sizeof(filename)); if (strcasecmp("kces",filename_extension(filename)) && strcasecmp("vig",filename_extension(filename))) goto fail; /* check header */ if (read_32bitBE(0x00,streamFile) != 0x01006408) goto fail; loop_flag = (read_32bitLE(0x14,streamFile)!=0); channel_count = read_32bitLE(0x1C,streamFile); /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; /* fill in the vital statistics */ start_offset = read_32bitLE(0x08,streamFile); vgmstream->channels = channel_count; vgmstream->sample_rate = read_32bitLE(0x18,streamFile); vgmstream->coding_type = coding_PSX; vgmstream->num_samples = read_32bitLE(0x0C,streamFile)*28/16/channel_count; if (loop_flag) { vgmstream->loop_start_sample = (read_32bitLE(0x0C,streamFile)-read_32bitLE(0x14,streamFile))*28/16/channel_count; vgmstream->loop_end_sample = read_32bitLE(0x0C,streamFile)*28/16/channel_count; } if(vgmstream->channels==1) { vgmstream->layout_type=layout_none; } else { vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = read_32bitLE(0x24,streamFile); } vgmstream->meta_type = meta_PS2_KCES; /* 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; }