mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-23 20:04:50 +01:00
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../coding/coding.h"
|
||
|
|
|
||
|
|
|
||
|
|
/* .IMA - Blitz Games early games [Lilo & Stitch: Trouble in Paradise (PC)] */
|
||
|
|
VGMSTREAM * init_vgmstream_ima(STREAMFILE *streamFile) {
|
||
|
|
VGMSTREAM * vgmstream = NULL;
|
||
|
|
off_t start_offset;
|
||
|
|
int loop_flag, channel_count, num_samples, sample_rate;
|
||
|
|
|
||
|
|
|
||
|
|
/* checks */
|
||
|
|
if (!check_extensions(streamFile, "ima"))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
if (read_32bitBE(0x00,streamFile) != 0x02000000) /* version? */
|
||
|
|
goto fail;
|
||
|
|
if (read_32bitBE(0x04,streamFile) != 0)
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
num_samples = read_32bitLE(0x08, streamFile);
|
||
|
|
channel_count = read_32bitLE(0x0c,streamFile);
|
||
|
|
sample_rate = read_32bitLE(0x10, streamFile);
|
||
|
|
|
||
|
|
loop_flag = 0;
|
||
|
|
start_offset = 0x14;
|
||
|
|
|
||
|
|
if (channel_count > 1) /* unknown interleave */
|
||
|
|
goto fail;
|
||
|
|
if (num_samples != ima_bytes_to_samples(get_streamfile_size(streamFile) - start_offset, channel_count))
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
/* build the VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(channel_count, loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
vgmstream->meta_type = meta_IMA;
|
||
|
|
vgmstream->sample_rate = sample_rate;
|
||
|
|
|
||
|
|
vgmstream->coding_type = coding_BLITZ_IMA;
|
||
|
|
vgmstream->layout_type = layout_none;
|
||
|
|
|
||
|
|
vgmstream->num_samples = num_samples;
|
||
|
|
|
||
|
|
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
||
|
|
goto fail;
|
||
|
|
return vgmstream;
|
||
|
|
|
||
|
|
fail:
|
||
|
|
close_vgmstream(vgmstream);
|
||
|
|
return NULL;
|
||
|
|
}
|