#include "meta.h" #include "../util.h" /* CPS (from Eternal Sonata) */ VGMSTREAM * init_vgmstream_ps3_cps(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("cps",filename_extension(filename))) goto fail; /* check header */ if (read_32bitBE(0x00,streamFile) != 0x43505320) /* "CPS" */ goto fail; loop_flag = read_32bitBE(0x18,streamFile); channel_count = read_32bitBE(0x8,streamFile); /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; /* fill in the vital statistics */ start_offset = read_32bitBE(0x4,streamFile); vgmstream->channels = channel_count; vgmstream->sample_rate = read_32bitBE(0x10,streamFile); if (read_32bitBE(0x20,streamFile)==0x00000000){ vgmstream->coding_type = coding_PCM16BE; vgmstream->num_samples = read_32bitBE(0xc,streamFile)/4; vgmstream->interleave_block_size = 2; } else { vgmstream->coding_type = coding_PSX; vgmstream->num_samples = read_32bitBE(0xc,streamFile)*28/32; vgmstream->interleave_block_size = 0x10; } if (loop_flag) { vgmstream->loop_start_sample = read_32bitBE(0x14,streamFile)*28/32; vgmstream->loop_end_sample = read_32bitBE(0x18,streamFile)*28/32; } vgmstream->layout_type = layout_interleave; vgmstream->meta_type = meta_PS3_CPS; /* 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; }