mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-18 17:35:53 +01:00
56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
|
|
//todo this was extracted from a .pak bigfile. Inside are headers then data (no extensions),
|
|
// but headers are VAGp in the PS2 version, so it would make more sense to extract pasting
|
|
// header+data together, or support as-is (.SCK is a fake extension).
|
|
|
|
/* SCK+DSP - Scorpion King (GC) */
|
|
VGMSTREAM * init_vgmstream_ngc_sck_dsp(STREAMFILE *streamFile) {
|
|
VGMSTREAM * vgmstream = NULL;
|
|
STREAMFILE * streamHeader = NULL;
|
|
int channel_count, loop_flag;
|
|
size_t data_size;
|
|
|
|
/* check extension, case insensitive */
|
|
if (!check_extensions(streamFile, "dsp"))
|
|
goto fail;
|
|
|
|
streamHeader = open_streamfile_by_ext(streamFile, "sck");
|
|
if (!streamHeader) goto fail;
|
|
|
|
if (read_32bitBE(0x5C,streamHeader) != 0x60A94000)
|
|
goto fail;
|
|
|
|
channel_count = 2;
|
|
loop_flag = 0;
|
|
data_size = read_32bitBE(0x14,streamHeader);
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->sample_rate = read_32bitBE(0x18,streamHeader);
|
|
vgmstream->num_samples = dsp_bytes_to_samples(data_size, channel_count);
|
|
vgmstream->coding_type = coding_NGC_DSP;
|
|
vgmstream->layout_type = layout_interleave;
|
|
vgmstream->interleave_block_size = read_32bitBE(0xC,streamHeader);
|
|
if (vgmstream->interleave_block_size > 0)
|
|
vgmstream->interleave_last_block_size = (data_size % (vgmstream->interleave_block_size * channel_count)) / channel_count;
|
|
|
|
vgmstream->meta_type = meta_NGC_SCK_DSP;
|
|
|
|
dsp_read_coefs_be(vgmstream,streamHeader, 0x2c, 0x00);
|
|
|
|
if (!vgmstream_open_stream(vgmstream,streamFile,0x00))
|
|
goto fail;
|
|
close_streamfile(streamHeader);
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_streamfile(streamHeader);
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|