110 lines
3.5 KiB
C
110 lines
3.5 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* sf, off_t offset);
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/* Koei Tecmo G1L - container format, sometimes containing a single stream.
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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* sf) {
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VGMSTREAM* vgmstream = NULL;
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int type;
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int total_streams, target_stream = sf->stream_index;
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off_t stream_offset;
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int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
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/* checks */
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if (!is_id32be(0x00, sf, "G1L_") && /* BE */
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!is_id32le(0x00, sf, "G1L_")) /* LE */
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goto fail;
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if (!check_extensions(sf,"g1l"))
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goto fail;
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if (!is_id32be(0x04, sf, "0000")) /* version? */
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goto fail;
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if (is_id32be(0x00, sf, "G1L_")) {
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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, 0x0c: header size */
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type = read_32bit(0x10,sf);
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total_streams = read_32bit(0x14,sf);
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if (target_stream==0) target_stream = 1;
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if (target_stream < 0 || target_stream > total_streams || total_streams < 1) goto fail;
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stream_offset = read_32bit(0x18 + 0x4*(target_stream-1),sf);
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//stream_size = stream_offset - stream_next_offset;//not ok, sometimes entries are unordered/repeats */
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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(sf, stream_offset);
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break;
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case 0x06: /* ATRAC9 (RIFF) from One Piece Pirate Warriors 3 (Vita) */
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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), Bladestorm (PC) w/ single files */
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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 *sf) {
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return init_vgmstream_kt_wiibgm_offset(sf, 0x0);
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}
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static VGMSTREAM* init_vgmstream_kt_wiibgm_offset(STREAMFILE* sf, 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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/* check */
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if (!is_id64be(offset+0x0, sf, "WiiBGM\0\0") &&
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read_32bitBE(offset+0x4, sf) != 0x474D0000)
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goto fail;
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if (!check_extensions(sf,"g1l,dsp"))
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goto fail;
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/* check type details */
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loop_flag = read_32bitBE(offset+0x14, sf) > 0;
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channel_count = read_u8(offset+0x23, sf);
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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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vgmstream->num_samples = read_32bitBE(offset+0x10, sf);
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vgmstream->sample_rate = (uint16_t)read_16bitBE(offset+0x26, sf);
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vgmstream->loop_start_sample = read_32bitBE(offset+0x14, sf);
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vgmstream->loop_end_sample = vgmstream->num_samples;
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vgmstream->coding_type = coding_NGC_DSP_subint;
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vgmstream->layout_type = layout_none;
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vgmstream->interleave_block_size = 0x1;
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vgmstream->meta_type = meta_KT_WIIBGM;
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dsp_read_coefs_be(vgmstream,sf, offset+0x5C, 0x60);
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start_offset = offset+0x800;
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if (!vgmstream_open_stream(vgmstream,sf,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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