mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-22 11:25:53 +01:00
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
#include "../util.h"
|
|
|
|
|
|
/* .ADX - from Capcom games [Resident Evil: Revelations (Switch), Monster Hunter XX (Switch)] */
|
|
VGMSTREAM * init_vgmstream_adpcm_capcom(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
off_t start_offset;
|
|
int loop_flag, channel_count;
|
|
|
|
|
|
/* checks */
|
|
/* .mca: Monster Hunter Generations Ultimate / XX */
|
|
if (!check_extensions(streamFile,"adpcm,mca"))
|
|
goto fail;
|
|
if (read_32bitBE(0x00,streamFile) != 0x02000000)
|
|
goto fail;
|
|
|
|
channel_count = read_16bitLE(0x04, streamFile);
|
|
if (channel_count > 2) goto fail; /* header size seems fixed for mono/stereo */
|
|
/* 0x08: channel size */
|
|
/* 0x0c-14: some config/id? (may be shared between files) */
|
|
loop_flag = read_16bitLE(0x68, streamFile);
|
|
|
|
start_offset = 0xd8; /* also fixed for mono/stereo */
|
|
|
|
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_ADPCM_CAPCOM;
|
|
vgmstream->sample_rate = read_32bitLE(0x64,streamFile); /* from first headerm repeated at +0x60 */
|
|
vgmstream->num_samples = read_32bitLE(0x60, streamFile);
|
|
vgmstream->loop_start_sample = read_32bitLE(0x6c, streamFile);
|
|
vgmstream->loop_end_sample = read_32bitLE(0x70, streamFile) + 1;
|
|
|
|
vgmstream->coding_type = coding_NGC_DSP;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = read_16bitLE(0x06, streamFile);
|
|
dsp_read_coefs_le(vgmstream,streamFile, 0x18, 0x60);
|
|
|
|
if (!vgmstream_open_stream(vgmstream,streamFile, start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|