#include "meta.h" #include "../coding/coding.h" /* APC - from Cryo games [MegaRace 3 (PC)] */ VGMSTREAM * init_vgmstream_apc(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; off_t start_offset; size_t data_size; int loop_flag, channel_count; /* checks */ if ( !check_extensions(streamFile,"apc") ) goto fail; if (read_32bitBE(0x00,streamFile) != 0x4352594F) /* "CRYO" */ goto fail; if (read_32bitBE(0x04,streamFile) != 0x5F415043) /* "_APC" */ goto fail; //if (read_32bitBE(0x08,streamFile) != 0x312E3230) /* "1.20" */ // goto fail; /* 0x14/18: L/R hist sample? */ start_offset = 0x20; data_size = get_streamfile_size(streamFile) - start_offset; channel_count = read_32bitLE(0x1c,streamFile) == 0 ? 1 : 2; loop_flag = 0; /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; vgmstream->meta_type = meta_APC; vgmstream->sample_rate = read_32bitLE(0x10,streamFile); vgmstream->num_samples = ima_bytes_to_samples(data_size,channel_count); vgmstream->coding_type = coding_IMA; vgmstream->layout_type = layout_none; if ( !vgmstream_open_stream(vgmstream, streamFile, start_offset) ) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; }