mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-12-22 03:15:54 +01:00
111 lines
3.8 KiB
C
111 lines
3.8 KiB
C
#include "meta.h"
|
|
#include "../coding/coding.h"
|
|
|
|
/* RFTM - Retro Studios format [Donkey Kong Country Tropical Freeze (WiiU/Switch)] */
|
|
VGMSTREAM *init_vgmstream_rfrm(STREAMFILE *streamFile) {
|
|
VGMSTREAM *vgmstream = NULL;
|
|
off_t fmta_offset = 0, data_offset = 0, header_offset, start_offset;
|
|
size_t data_size = 0, interleave;
|
|
int loop_flag, channel_count, version;
|
|
int big_endian;
|
|
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
|
|
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
|
|
|
|
|
|
/* checks */
|
|
if (!check_extensions(streamFile, "csmp"))
|
|
goto fail;
|
|
|
|
if (read_32bitBE(0x00, streamFile) != 0x5246524D) /* "RFRM" */
|
|
goto fail;
|
|
/* 0x08: file size but not exact */
|
|
if (read_32bitBE(0x14, streamFile) != 0x43534D50) /* "CSMP" */
|
|
goto fail;
|
|
version = read_32bitBE(0x18,streamFile); /* assumed, also at 0x1c */
|
|
|
|
if (version == 0x0a) { /* Wii U */
|
|
read_32bit = read_32bitBE;
|
|
read_16bit = read_16bitBE;
|
|
big_endian = 1;
|
|
}
|
|
else if (version == 0x12) { /* Switch */
|
|
read_32bit = read_32bitLE;
|
|
read_16bit = read_16bitLE;
|
|
big_endian = 0;
|
|
}
|
|
else {
|
|
goto fail;
|
|
}
|
|
|
|
|
|
/* parse chunks (always BE) */
|
|
{
|
|
off_t chunk_offset = 0x20;
|
|
off_t file_size = get_streamfile_size(streamFile);
|
|
|
|
while (chunk_offset < file_size) {
|
|
uint32_t chunk_type = read_32bitBE(chunk_offset+0x00,streamFile);
|
|
size_t chunk_size = read_32bitBE(chunk_offset+0x08,streamFile); /* maybe 64b from 0x04? */
|
|
|
|
switch(chunk_type) {
|
|
case 0x464D5441: /* "FMTA" */
|
|
fmta_offset = chunk_offset + 0x18;
|
|
break;
|
|
case 0x44415441: /* "DATA" */
|
|
data_offset = chunk_offset + 0x18;
|
|
data_size = chunk_size;
|
|
break;
|
|
default: /* known: "LABL" (usually before "FMTA"), "META" (usually after "DATA") */
|
|
break;
|
|
}
|
|
|
|
chunk_offset += 0x18 + chunk_size;
|
|
}
|
|
|
|
if (!fmta_offset || !data_offset || !data_size)
|
|
goto fail;
|
|
}
|
|
|
|
|
|
/* parse FMTA / DATA (fully interleaved standard DSPs) */
|
|
channel_count = read_8bit(fmta_offset+0x00, streamFile);
|
|
/* FMTA 0x08: channel mapping */
|
|
|
|
header_offset = data_offset;
|
|
if (version == 0x0a) {
|
|
size_t align = 0x03; /* possibly 32b align */
|
|
header_offset += align;
|
|
data_size -= align;
|
|
}
|
|
start_offset = header_offset + 0x60;
|
|
loop_flag = read_16bit(header_offset + 0x0C, streamFile);
|
|
interleave = data_size / channel_count;
|
|
|
|
|
|
/* build the VGMSTREAM */
|
|
vgmstream = allocate_vgmstream(channel_count, loop_flag);
|
|
if (!vgmstream) goto fail;
|
|
|
|
vgmstream->meta_type = meta_RFRM;
|
|
vgmstream->sample_rate = read_32bit(header_offset + 0x08, streamFile);
|
|
vgmstream->num_samples = read_32bit(header_offset + 0x00, streamFile);
|
|
vgmstream->loop_start_sample = dsp_nibbles_to_samples(read_32bit(header_offset + 0x10, streamFile));
|
|
vgmstream->loop_end_sample = dsp_nibbles_to_samples(read_32bit(header_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_interleave;
|
|
vgmstream->interleave_block_size = interleave;
|
|
dsp_read_coefs(vgmstream, streamFile, header_offset + 0x1C, interleave, big_endian);
|
|
dsp_read_hist (vgmstream, streamFile, header_offset + 0x40, interleave, big_endian);
|
|
|
|
if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
|
|
goto fail;
|
|
return vgmstream;
|
|
|
|
fail:
|
|
close_vgmstream(vgmstream);
|
|
return NULL;
|
|
}
|