#include "meta.h" #include "../util.h" /* VSF (from Musashi: Samurai Legend) */ VGMSTREAM * init_vgmstream_ps2_vsf(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; char filename[260]; off_t start_offset; int loop_flag; int channel_count; /* check extension, case insensitive */ streamFile->get_name(streamFile,filename,sizeof(filename)); if (strcasecmp("vsf",filename_extension(filename))) goto fail; /* check header */ if (read_32bitBE(0x00,streamFile) != 0x56534600) /* "VSF" */ goto fail; loop_flag = (read_32bitLE(0x1c,streamFile)==0x13); channel_count = 2; /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; /* fill in the vital statistics */ start_offset = 0x800; vgmstream->channels = channel_count; vgmstream->sample_rate = 44100; vgmstream->coding_type = coding_PSX; vgmstream->num_samples = read_32bitLE(0x10,streamFile)*28; if (loop_flag) { vgmstream->loop_start_sample = read_32bitLE(0x18,streamFile)*28; vgmstream->loop_end_sample = vgmstream->num_samples; } vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = 0x400; vgmstream->meta_type = meta_PS2_VSF; /* 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;ich[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; }