#include "meta.h" #include "../util.h" /* CAPDSP (found in Capcom games) */ VGMSTREAM * init_vgmstream_capdsp(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("capdsp",filename_extension(filename))) goto fail; loop_flag = (read_32bitBE(0x14,streamFile) !=2); channel_count = read_32bitBE(0x10,streamFile); /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; /* fill in the vital statistics */ start_offset = 0x80; vgmstream->channels = channel_count; vgmstream->sample_rate = read_32bitBE(0x0C,streamFile); vgmstream->coding_type = coding_NGC_DSP; vgmstream->num_samples = read_32bitBE(0x04,streamFile); if (loop_flag) { vgmstream->loop_start_sample = read_32bitBE(0x14,streamFile)/8/channel_count*14; vgmstream->loop_end_sample = read_32bitBE(0x18,streamFile)/8/channel_count*14; } vgmstream->layout_type = layout_interleave; vgmstream->interleave_block_size = 0x4000; vgmstream->meta_type = meta_CAPDSP; if (vgmstream->coding_type == coding_NGC_DSP) { int i; for (i=0;i<8;i++) { vgmstream->ch[0].adpcm_coef[i*2]=read_16bitBE(0x20+i*2,streamFile); vgmstream->ch[0].adpcm_coef[i*2+1]=read_16bitBE(0x30+i*2,streamFile); vgmstream->ch[1].adpcm_coef[i*2]=read_16bitBE(0x40+i*2,streamFile); vgmstream->ch[1].adpcm_coef[i*2+1]=read_16bitBE(0x50+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;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; }