#include "meta.h" #include "../util.h" /* SND (Warriors of Might and Magic Heroes of M&M:Dragonbone Staff) */ VGMSTREAM * init_vgmstream_ps2_snd(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("snd",filename_extension(filename))) goto fail; /* check header */ if (read_32bitBE(0x0,streamFile) !=0x53534e44) goto fail; /* Force Loop 0->end */ loop_flag = 1; channel_count = read_16bitLE(0x0a,streamFile); /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; /* fill in the vital statistics */ start_offset = read_32bitLE(0x04,streamFile)+8; vgmstream->sample_rate = (uint16_t)read_16bitLE(0xe,streamFile); if(read_8bit(0x08,streamFile)==1) { vgmstream->coding_type = coding_INT_DVI_IMA; } else vgmstream->coding_type = coding_PCM16LE; vgmstream->num_samples = read_32bitLE(0x16,streamFile); vgmstream->interleave_block_size = (uint16_t)read_16bitLE(0x12,streamFile); if((get_streamfile_size(streamFile)-start_offset)%vgmstream->interleave_block_size) { /* not sure if this is right ... */ vgmstream->layout_type = layout_interleave_shortblock; vgmstream->interleave_smallblock_size = ((get_streamfile_size(streamFile)-start_offset)%vgmstream->interleave_block_size)/vgmstream->channels; } else { vgmstream->layout_type = layout_interleave; } vgmstream->meta_type = meta_PS2_SND; if(loop_flag) { vgmstream->loop_start_sample=0; vgmstream->loop_end_sample=vgmstream->num_samples; } /* 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; }