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Fix some .sad [Luminous Arc (DS)]

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bnnm 2020-11-21 15:55:46 +01:00
parent 30a495335c
commit 388007c355
1 changed files with 51 additions and 18 deletions
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69
src/meta/sadl.c
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@ -1,59 +1,92 @@
#include "meta.h"
#include "../coding/coding.h"
/* sadl - from DS games with Procyon Studio audio driver [Professor Layton (DS), Soma Bringer (DS)] */
VGMSTREAM* init_vgmstream_sadl(STREAMFILE* sf) {
VGMSTREAM* vgmstream = NULL;
int channel_count, loop_flag;
int channels, loop_flag;
off_t start_offset;
uint8_t flags;
uint32_t loop_start, data_size;
/* checks */
if (!check_extensions(sf, "sad"))
goto fail;
if (read_32bitBE(0x00,sf) != 0x7361646c) /* "sadl" */
goto fail;
if (read_32bitLE(0x40,sf) != get_streamfile_size(sf))
if (read_u32be(0x00,sf) != 0x7361646c) /* "sadl" */
goto fail;
/* 04: null */
/* 08: data size, or null in later files */
/* 0c: version? (x0410=Luminous Arc, 0x0411=Layton, 0x0415=rest) */
/* 0e: file id (for .sad packed in .spd) */
/* 14: name related? */
/* 20: short filename (may be null or nor match full filename) */
/* 30: flags? (0/1/2) */
loop_flag = read_u8(0x31,sf);
channels = read_u8(0x32,sf);
flags = read_u8(0x33,sf);
/* 34: flags? */
/* 38: flags? */
/* 3c: null? */
data_size = read_u32le(0x40,sf); //?
start_offset = read_u32le(0x48,sf); /* usually 0x100, 0xc0 in LA */
/* 4c: start offset again or 0x40 in LA */
/* 50: size or samples? */
loop_start = read_u32le(0x54,sf); //?
/* others: sizes/samples/flags? */
data_size -= start_offset;
loop_start -= start_offset;
loop_flag = read_8bit(0x31,sf);
channel_count = read_8bit(0x32,sf);
start_offset = 0x100;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
vgmstream = allocate_vgmstream(channels, loop_flag);
if (!vgmstream) goto fail;
switch (read_8bit(0x33,sf) & 6) {
vgmstream->meta_type = meta_SADL;
switch (flags & 6) { /* possibly > 1? (0/1/2) */
case 4:
vgmstream->sample_rate = 32728;
break;
case 2:
case 2: /* Layton */
case 0: /* Luminous Arc (DS) */
vgmstream->sample_rate = 16364;
break;
default:
goto fail;
}
vgmstream->meta_type = meta_SADL;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = 0x10;
switch(read_8bit(0x33,sf) & 0xf0) {
switch(flags & 0xf0) { /* possibly >> 6? (0/1/2) */
case 0x00: /* Luminous Arc (DS) (non-int IMA? all files are mono though) */
case 0x70: /* Ni no Kuni (DS), Professor Layton and the Curious Village (DS), Soma Bringer (DS) */
vgmstream->coding_type = coding_IMA_int;
vgmstream->num_samples = (read_32bitLE(0x40,sf)-start_offset)/channel_count*2;
vgmstream->loop_start_sample = (read_32bitLE(0x54,sf)-start_offset)/channel_count*2;
vgmstream->num_samples = ima_bytes_to_samples(data_size, channels);
vgmstream->loop_start_sample = ima_bytes_to_samples(loop_start, channels);
vgmstream->loop_end_sample = vgmstream->num_samples;
{
int i;
for (i = 0; i < channels; i++) {
vgmstream->ch[i].adpcm_history1_32 = read_s16le(0x80 + i*0x04 + 0x00, sf);
vgmstream->ch[i].adpcm_step_index = read_s16le(0x80 + i*0x04 + 0x02, sf);
}
}
break;
//TODO: Luminous Arc 2 uses a variation of this, but value 0x70
case 0xb0: /* Soma Bringer (DS), Rekishi Taisen Gettenka (DS) */
vgmstream->coding_type = coding_NDS_PROCYON;
vgmstream->num_samples = (read_32bitLE(0x40,sf)-start_offset)/channel_count/16*30;
vgmstream->loop_start_sample = (read_32bitLE(0x54,sf)-start_offset)/channel_count/16*30;
vgmstream->num_samples = data_size / channels / 16 * 30;
vgmstream->loop_start_sample = loop_start / channels / 16 *30;
vgmstream->loop_end_sample = vgmstream->num_samples;
break;