mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-23 20:04:50 +01:00
57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
|
#include "meta.h"
|
||
|
|
#include "../coding/coding.h"
|
||
|
|
|
||
|
|
|
||
|
|
/* CSMP - Retro Studios sample [Metroid Prime 3 (Wii), Donkey Kong Country Returns (Wii)] */
|
||
|
|
VGMSTREAM * init_vgmstream_csmp(STREAMFILE *streamFile) {
|
||
|
|
VGMSTREAM * vgmstream = NULL;
|
||
|
|
off_t start_offset, first_offset = 0x08, chunk_offset;
|
||
|
|
int loop_flag, channel_count;
|
||
|
|
|
||
|
|
|
||
|
|
/* checks */
|
||
|
|
if (!check_extensions(streamFile, "csmp"))
|
||
|
|
goto fail;
|
||
|
|
if (read_32bitBE(0x00, streamFile) != 0x43534D50) /* "CSMP" */
|
||
|
|
goto fail;
|
||
|
|
if (read_32bitBE(0x04, streamFile) != 1) /* version? */
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
if (!find_chunk(streamFile, 0x44415441,first_offset,0, &chunk_offset,NULL, 1, 0)) /*"DATA"*/
|
||
|
|
goto fail;
|
||
|
|
|
||
|
|
/* contains standard DSP header, but somehow some validations (start/loop ps)
|
||
|
|
* don't seem to work, so no point to handle as standard DSP */
|
||
|
|
|
||
|
|
channel_count = 1;
|
||
|
|
loop_flag = read_16bitBE(chunk_offset+0x0c,streamFile);
|
||
|
|
start_offset = chunk_offset + 0x60;
|
||
|
|
|
||
|
|
|
||
|
|
/* build the VGMSTREAM */
|
||
|
|
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
||
|
|
if (!vgmstream) goto fail;
|
||
|
|
|
||
|
|
vgmstream->meta_type = meta_DSP_CSMP;
|
||
|
|
vgmstream->sample_rate = read_32bitBE(chunk_offset+0x08,streamFile);
|
||
|
|
vgmstream->num_samples = read_32bitBE(chunk_offset+0x00,streamFile);
|
||
|
|
vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bitBE(chunk_offset+0x10,streamFile));
|
||
|
|
vgmstream->loop_end_sample = dsp_nibbles_to_samples(read_32bitBE(chunk_offset+0x14,streamFile))+1;
|
||
|
|
if (vgmstream->loop_end_sample > vgmstream->num_samples) /* ? */
|
||
|
|
vgmstream->loop_end_sample = vgmstream->num_samples;
|
||
|
|
|
||
|
|
vgmstream->coding_type = coding_NGC_DSP;
|
||
|
|
vgmstream->layout_type = layout_none;
|
||
|
|
dsp_read_coefs_be(vgmstream, streamFile, chunk_offset+0x1c, 0x00);
|
||
|
|
dsp_read_hist_be(vgmstream, streamFile, chunk_offset+0x40, 0x00);
|
||
|
|
|
||
|
|
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
||
|
|
goto fail;
|
||
|
|
return vgmstream;
|
||
|
|
|
||
|
|
fail:
|
||
|
|
close_vgmstream(vgmstream);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|