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Add Rebellion .MIC extension [Rogue Trooper (PS2)]

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This commit is contained in:
bnnm 2018-03-04 00:17:58 +01:00
parent 710e5e11cd
commit 61bfcb18c8
2 changed files with 32 additions and 51 deletions
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2
src/formats.c
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@ -730,7 +730,7 @@ static const meta_info meta_info_list[] = {
{meta_NGC_YMF, "YMF DSP Header"},
{meta_PS2_CCC, "CCC Header"},
{meta_PSX_FAG, "FAG Header"},
{meta_PS2_MIHB, "Merged MIH+MIB"},
{meta_PS2_MIHB, "MIH+MIB header"},
{meta_DSP_WII_MUS, "mus header"},
{meta_WII_SNG, "SNG DSP Header"},
{meta_RSD2VAG, "RSD2/VAG Header"},

77
src/meta/ps2_mihb.c
View File

@ -1,72 +1,53 @@
#include "meta.h"
#include "../util.h"
#include "../coding/coding.h"
/* MIHB (Merged MIH+MIB) */
/* MIC/MIHB - Merged MIH+MIB [Rogue Trooper (PS2), The Sims 2 (PS2)] */
VGMSTREAM * init_vgmstream_ps2_mihb(STREAMFILE *streamFile) {
VGMSTREAM * vgmstream = NULL;
char filename[PATH_LIMIT];
off_t start_offset;
int mib_blocks;
int loop_flag = 0;
int channel_count;
size_t data_size, frame_size, frame_last, frame_count;
int channel_count, loop_flag;
/* check extension, case insensitive */
streamFile->get_name(streamFile,filename,sizeof(filename));
if (strcasecmp("mihb",filename_extension(filename))) goto fail;
/* check header */
if (read_32bitBE(0x00,streamFile) != 0x40000000)
/* check extension */
/* .mic: Rebellion Dev. games, .mihb: assumed? */
if (!check_extensions(streamFile, "mic,mihb"))
goto fail;
if (read_32bitBE(0x00,streamFile) != 0x40000000) /* header size */
goto fail;
mib_blocks = read_32bitLE(0x14,streamFile);
loop_flag = 0;
channel_count = read_32bitLE(0x08,streamFile);
start_offset = 0x40;
/* frame_size * frame_count * channels = data_size, but last frame has less usable data */
{
/* 0x04(1): 0x20? */
frame_last = (uint16_t)read_16bitLE(0x05,streamFile);
frame_size = read_32bitLE(0x10,streamFile);
frame_count = read_32bitLE(0x14,streamFile);
data_size = frame_count * frame_size;
data_size -= frame_last ? (frame_size-frame_last) : 0;
data_size *= channel_count;
}
/* 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(0x0C,streamFile);
vgmstream->coding_type = coding_PSX;
vgmstream->num_samples = ((read_32bitLE(0x10,streamFile))*mib_blocks)*28/16;
if (loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = ((read_32bitLE(0x10,streamFile))*mib_blocks)*28/16;
}
if (vgmstream->channels > 1) {
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = read_32bitLE(0x10,streamFile);
} else {
vgmstream->layout_type = layout_none;
}
vgmstream->num_samples = ps_bytes_to_samples(data_size, channel_count);
vgmstream->meta_type = meta_PS2_MIHB;
vgmstream->coding_type = coding_PSX;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = frame_size;
/* open the file for reading */
{
int i;
STREAMFILE * file;
file = streamFile->open(streamFile,filename,STREAMFILE_DEFAULT_BUFFER_SIZE);
if (!file) goto fail;
for (i=0;i<channel_count;i++) {
vgmstream->ch[i].streamfile = file;
vgmstream->ch[i].channel_start_offset=
vgmstream->ch[i].offset=start_offset+
vgmstream->interleave_block_size*i;
}
}
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
goto fail;
return vgmstream;
/* clean up anything we may have opened */
fail:
if (vgmstream) close_vgmstream(vgmstream);
close_vgmstream(vgmstream);
return NULL;
}