mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-19 09:55:53 +01:00
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
#include "meta.h"
|
|
|
|
/* STRM - from Final Fantasy Tactics A2 (NDS) */
|
|
VGMSTREAM * init_vgmstream_nds_strm_ffta2(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channel_count;
|
|
|
|
|
|
/* checks*/
|
|
/* .bin: actual extension
|
|
* .strm: header id */
|
|
if (!check_extensions(streamFile,"bin,strm"))
|
|
goto fail;
|
|
|
|
/* check header */
|
|
if (read_32bitBE(0x00,streamFile) != 0x52494646 || /* "RIFF" */
|
|
read_32bitBE(0x08,streamFile) != 0x494D4120) /* "IMA " */
|
|
goto fail;
|
|
|
|
loop_flag = (read_32bitLE(0x20,streamFile) !=0);
|
|
channel_count = read_32bitLE(0x24,streamFile);
|
|
start_offset = 0x2C;
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->channels = channel_count;
|
|
vgmstream->sample_rate = read_32bitLE(0x0C,streamFile);
|
|
vgmstream->num_samples = (read_32bitLE(0x04,streamFile)-start_offset);
|
|
vgmstream->loop_start_sample = read_32bitLE(0x20,streamFile);
|
|
vgmstream->loop_end_sample = read_32bitLE(0x28,streamFile);
|
|
|
|
vgmstream->meta_type = meta_NDS_STRM_FFTA2;
|
|
|
|
vgmstream->coding_type = coding_FFTA2_IMA;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = 0x80;
|
|
|
|
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|