#include "meta.h" #include "../util.h" /* Maxis XA - found in Sim City 3000 (PC) */ VGMSTREAM * init_vgmstream_maxis_xa(STREAMFILE *streamFile) { VGMSTREAM * vgmstream = NULL; off_t start_offset; int loop_flag, channel_count; /* check extension, case insensitive */ if (!check_extensions(streamFile,"xa")) goto fail; /* check header */ if ((read_32bitBE(0x00,streamFile) != 0x58414900) && /* "XAI\0" (sound/speech) */ (read_32bitBE(0x00,streamFile) != 0x58414A00) && /* "XAJ\0" (music, no apparent diffs) */ (read_32bitBE(0x00,streamFile) != 0x58410000) && /* "XA\0\0" (sound/speech from The Sims 2, no apparent diffs) */ (read_32bitBE(0x00,streamFile) != 0x58411200)) /* "XA\x12\0" (music from The Sims 2, no apparent diffs) */ goto fail; loop_flag = 0; channel_count = read_16bitLE(0x0A,streamFile); start_offset = 0x18; /* build the VGMSTREAM */ vgmstream = allocate_vgmstream(channel_count,loop_flag); if (!vgmstream) goto fail; vgmstream->sample_rate = read_32bitLE(0x0C,streamFile); vgmstream->num_samples = read_32bitLE(0x04,streamFile)/2/channel_count; vgmstream->meta_type = meta_MAXIS_XA; vgmstream->coding_type = coding_MAXIS_XA; vgmstream->layout_type = layout_none; /* open streams */ if (!vgmstream_open_stream(vgmstream,streamFile,start_offset)) goto fail; return vgmstream; fail: close_vgmstream(vgmstream); return NULL; }