Minor cleanup

This commit is contained in:
bnnm 2018-04-13 16:40:50 +02:00
parent 264ee065fa
commit 0482a120bc
3 changed files with 38 additions and 48 deletions

View File

@ -887,7 +887,7 @@ static const meta_info meta_info_list[] = {
{meta_PS2_SPM, "SPM header"},
{meta_X360_TRA, "Terminal Reality .TRA raw header"},
{meta_PS2_VGS, "Princess Soft VGS header"},
{meta_PS2_IAB, "IAB header"},
{meta_PS2_IAB, "Runtime .IAB header"},
{meta_PS2_STRLR, "STR L/R header"},
{meta_LSF_N1NJ4N, ".lsf !n1nj4n header"},
{meta_VAWX, "feelplus VAWX header"},

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@ -1,17 +1,22 @@
#include "layout.h"
#include "../vgmstream.h"
/* set up for the block at the given offset */
/* blocks with mini header (0x48124812 + unknown + block data + block size) */
void block_update_ps2_iab(off_t block_offset, VGMSTREAM * vgmstream) {
STREAMFILE* streamFile = vgmstream->ch[0].streamfile;
int i;
size_t block_size, channel_size;
vgmstream->current_block_offset = block_offset;
vgmstream->current_block_size = read_32bitLE(vgmstream->current_block_offset+0x08,vgmstream->ch[0].streamfile);
vgmstream->next_block_offset = vgmstream->current_block_offset+vgmstream->current_block_size+0x10;
vgmstream->current_block_size/=vgmstream->channels;
channel_size = read_32bitLE(block_offset+0x08,streamFile) / vgmstream->channels;
block_size = read_32bitLE(block_offset+0x0c,streamFile);
if (!block_size)
block_size = 0x10; /* happens on last block */
for (i=0;i<vgmstream->channels;i++) {
vgmstream->ch[i].offset = vgmstream->current_block_offset+0x10+(vgmstream->current_block_size*i);
vgmstream->current_block_size = channel_size;
vgmstream->current_block_offset = block_offset;
vgmstream->next_block_offset = block_offset + block_size;
for (i = 0; i < vgmstream->channels; i++) {
vgmstream->ch[i].offset = block_offset + 0x10 + channel_size*i;
}
}

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@ -1,70 +1,55 @@
#include "meta.h"
#include "../layout/layout.h"
#include "../coding/coding.h"
#include "../util.h"
/* IAB: Ueki no Housoku - Taosu ze Robert Juudan!! (PS2) */
/* .IAB - from Runtime(?) games [Ueki no Housoku - Taosu ze Robert Juudan!! (PS2), RPG Maker 3 (PS2)] */
VGMSTREAM * init_vgmstream_ps2_iab(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
int loop_flag = 0;
int channel_count;
int i;
off_t start_offset;
off_t start_offset;
int loop_flag, channel_count;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("iab",filename_extension(filename))) goto fail;
/* check header */
/* checks */
if (!check_extensions(streamFile,"iab"))
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x10000000)
goto fail;
/* check file size */
if (read_32bitLE(0x1C,streamFile) != get_streamfile_size(streamFile))
goto fail;
loop_flag = 0;
channel_count = 2;
start_offset = 0x40;
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count,loop_flag);
if (!vgmstream) goto fail;
/* fill in the vital statistics */
start_offset = 0x40;
vgmstream->channels = channel_count;
vgmstream->sample_rate = read_32bitLE(0x4,streamFile);
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_blocked_ps2_iab;
vgmstream->interleave_block_size = read_32bitLE(0xC, streamFile);
vgmstream->sample_rate = read_32bitLE(0x04,streamFile);
vgmstream->meta_type = meta_PS2_IAB;
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_blocked_ps2_iab;
//vgmstream->interleave_block_size = read_32bitLE(0x0C, streamFile); /* unneeded */
/* open the file for reading by each channel */
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
/* calc num_samples */
{
for (i=0;i<channel_count;i++)
{
vgmstream->ch[i].streamfile = streamFile->open(streamFile, filename, vgmstream->interleave_block_size);
if (!vgmstream->ch[i].streamfile) goto fail;
vgmstream->next_block_offset = start_offset;
do {
block_update_ps2_iab(vgmstream->next_block_offset, vgmstream);
vgmstream->num_samples += ps_bytes_to_samples(vgmstream->current_block_size, 1);
}
while (vgmstream->next_block_offset < get_streamfile_size(streamFile));
}
/* Calc num_samples */
block_update_ps2_iab(start_offset, vgmstream);
vgmstream->num_samples=0;
do
{
vgmstream->num_samples += 0x4000 * 14 / 16;
block_update_ps2_iab(vgmstream->next_block_offset, vgmstream);
} while (vgmstream->next_block_offset < get_streamfile_size(streamFile));
block_update_ps2_iab(start_offset, vgmstream);
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
close_vgmstream(vgmstream);
return NULL;
}