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https://github.com/vgmstream/vgmstream.git
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107 lines
3.6 KiB
C
107 lines
3.6 KiB
C
#include "meta.h"
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#include "../util.h"
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#include "../coding/coding.h"
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static VGMSTREAM * init_vgmstream_kt_wiibgm_offset(STREAMFILE *streamFile, off_t offset);
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/* Koei Tecmo G1L - pack format, sometimes containing a single stream
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*
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* It probably makes more sense to extract it externally, it's here mainly for Hyrule Warriors */
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VGMSTREAM * init_vgmstream_kt_g1l(STREAMFILE *streamFile) {
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VGMSTREAM * vgmstream = NULL;
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int type, num_streams, target_stream = 1;
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off_t stream_offset;
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int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
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if (!check_extensions(streamFile,"g1l"))
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goto fail;
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/* check header */
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if ((read_32bitBE(0x0, streamFile) != 0x47314C5F /* "G1L_" (BE) */
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|| read_32bitBE(0x0, streamFile) != 0x5F4C3147) /* "_L1G" (LE) */
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&& read_32bitBE(0x4, streamFile) != 0x30303030) /* "0000" (version?) */
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goto fail;
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if (read_32bitBE(0x0, streamFile) == 0x47314C5F ) {
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read_32bit = read_32bitBE;
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} else {
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read_32bit = read_32bitLE;
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}
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/* 0x08 filesize */
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/* 0x0c first file offset (same as 0x18) */
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type = read_32bit(0x10,streamFile);
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num_streams = read_32bit(0x14,streamFile);
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if (target_stream < 0 || target_stream > num_streams) goto fail;
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if (target_stream==0) target_stream = 1;
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stream_offset = read_32bit(0x18 + 0x4*(target_stream-1),streamFile);
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/* filesize = stream_offset - stream_next_offset*/
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switch(type) { /* type may not be correct */
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case 0x09: /* DSP (WiiBGM) from Hyrule Warriors (Wii U) */
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vgmstream = init_vgmstream_kt_wiibgm_offset(streamFile, stream_offset);
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break;
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case 0x01: /* ATRAC3plus (RIFF) from One Piece Pirate Warriors 2 (PS3) */
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case 0x00: /* OGG (KOVS) from Romance Three Kindgoms 13 (PC)*/
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case 0x0A: /* OGG (KOVS) from Dragon Quest Heroes (PC)*/
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default:
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goto fail;
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}
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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/* Koei Tecmo "WiiBGM" DSP format - found in Hyrule Warriors, Romance of the Three Kingdoms 12 */
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VGMSTREAM * init_vgmstream_kt_wiibgm(STREAMFILE *streamFile) {
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return init_vgmstream_kt_wiibgm_offset(streamFile, 0x0);
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}
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static VGMSTREAM * init_vgmstream_kt_wiibgm_offset(STREAMFILE *streamFile, off_t offset) {
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VGMSTREAM * vgmstream = NULL;
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int loop_flag, channel_count;
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off_t start_offset;
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if (!check_extensions(streamFile,"g1l,dsp"))
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goto fail;
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if (read_32bitBE(offset+0x0, streamFile) != 0x57696942 && /* "WiiB" */
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read_32bitBE(offset+0x4, streamFile) != 0x474D0000) /* "GM\0\0" */
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goto fail;
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/* check type details */
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loop_flag = read_32bitBE(offset+0x14, streamFile) > 0;
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channel_count = read_8bit(offset+0x23, streamFile);
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/* build the VGMSTREAM */
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vgmstream = allocate_vgmstream(channel_count, loop_flag);
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if (!vgmstream) goto fail;
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/* fill in the vital statistics */
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vgmstream->num_samples = read_32bitBE(offset+0x10, streamFile);
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vgmstream->sample_rate = (uint16_t)read_16bitBE(offset+0x26, streamFile);
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vgmstream->loop_start_sample = read_32bitBE(offset+0x14, streamFile);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->coding_type = coding_NGC_DSP;
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vgmstream->layout_type = layout_interleave_byte;
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vgmstream->meta_type = meta_KT_WIIBGM;
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vgmstream->interleave_block_size = 0x1;
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dsp_read_coefs_be(vgmstream,streamFile, offset+0x5C, 0x60);
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start_offset = offset+0x800;
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if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
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goto fail;
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return vgmstream;
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fail:
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close_vgmstream(vgmstream);
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return NULL;
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}
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