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Merge pull request #1310 from hackyourlife/master

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Implement RFRM/CSMP support for version 0x1F (Metroid Prime Remastered)
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bnnm 2023-02-13 00:40:07 +01:00 committed by GitHub
commit 36f4dfeab4
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1 changed files with 125 additions and 1 deletions
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126
src/meta/rfrm.c
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@ -1,6 +1,128 @@
#include "meta.h"
#include "../coding/coding.h"
/* RFTM - Retro Studios format [Metroid Prime Remastered] */
VGMSTREAM *init_vgmstream_rfrm_mpr(STREAMFILE *streamFile) {
VGMSTREAM *vgmstream = NULL;
off_t fmta_offset = 0, data_offset = 0, ras3_offset = 0, header_offset, start_offset;
size_t data_size = 0, interleave;
int loop_flag, channel_count;
int loop_start, loop_end, padding;
/* 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;
if (read_32bitLE(0x18,streamFile) != 0x1F) /* assumed, also at 0x1c */
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_32bitLE(chunk_offset + 0x08,streamFile);
switch(chunk_type) {
case 0x464D5441: /* "FMTA" */
fmta_offset = chunk_offset + 0x18;
chunk_offset += 5 + 0x18 + chunk_size;
break;
case 0x44415441: /* "DATA" */
data_offset = chunk_offset + 0x18;
data_size = read_32bitLE(chunk_offset + 0x04, streamFile);
/* we're done here, DATA is the last chunk */
chunk_offset = file_size;
break;
case 0x52415333: /* "RAS3" */
ras3_offset = chunk_offset + 0x18;
chunk_offset += 60;
break;
case 0x43524D53: /* CRMS */
chunk_offset += 9 + 0x18 + chunk_size + read_32bitLE(chunk_offset + 0x18 + chunk_size + 5, streamFile);
break;
default:
goto fail;
}
}
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;
start_offset = header_offset + 0x80 * channel_count;
loop_flag = read_16bitLE(header_offset + 0x0C, streamFile);
interleave = data_size / channel_count;
if (ras3_offset) {
int block_size = read_32bitLE(ras3_offset + 0x00, streamFile);
int block_samples = read_32bitLE(ras3_offset + 0x8, streamFile);
int loop_start_block = read_32bitLE(ras3_offset + 0x14, streamFile);
int loop_start_sample = read_32bitLE(ras3_offset + 0x18, streamFile);
int loop_end_block = read_32bitLE(ras3_offset + 0x1C, streamFile);
int loop_end_sample = read_32bitLE(ras3_offset + 0x20, streamFile);
padding = read_32bitLE(ras3_offset + 0x0C, streamFile);
loop_start = loop_start_block * block_samples + loop_start_sample - padding;
loop_end = loop_end_block * block_samples + loop_end_sample - padding;
if ((loop_start || loop_end) && (loop_start < loop_end))
loop_flag = 1;
interleave = block_size / channel_count;
} else {
loop_start = dsp_nibbles_to_samples(read_32bitLE(header_offset + 0x10, streamFile));
loop_end = dsp_nibbles_to_samples(read_32bitLE(header_offset + 0x14, streamFile)) + 1;
}
/* build the VGMSTREAM */
vgmstream = allocate_vgmstream(channel_count, loop_flag);
if (!vgmstream) goto fail;
vgmstream->meta_type = meta_RFRM;
vgmstream->sample_rate = read_32bitLE(header_offset + 0x08, streamFile);
vgmstream->num_samples = read_32bitLE(header_offset + 0x00, streamFile);
vgmstream->loop_start_sample = loop_start;
vgmstream->loop_end_sample = loop_end;
if (vgmstream->loop_end_sample > vgmstream->num_samples) /* ? */
vgmstream->loop_end_sample = vgmstream->num_samples;
if (ras3_offset) {
int padding_bytes = padding / 14 * 8; /* round to frames */
vgmstream->interleave_first_block_size = interleave - padding_bytes;
vgmstream->interleave_first_skip = padding_bytes;
start_offset += padding_bytes;
}
vgmstream->coding_type = coding_NGC_DSP;
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = interleave;
dsp_read_coefs(vgmstream, streamFile, header_offset + 0x1C, 0x80, 0);
dsp_read_hist (vgmstream, streamFile, header_offset + 0x40, 0x80, 0);
if (!vgmstream_open_stream(vgmstream, streamFile, start_offset))
goto fail;
return vgmstream;
fail:
close_vgmstream(vgmstream);
return NULL;
}
/* RFTM - Retro Studios format [Donkey Kong Country Tropical Freeze (WiiU/Switch)] */
VGMSTREAM *init_vgmstream_rfrm(STREAMFILE *streamFile) {
VGMSTREAM *vgmstream = NULL;
@ -11,7 +133,6 @@ VGMSTREAM *init_vgmstream_rfrm(STREAMFILE *streamFile) {
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
/* checks */
if (!check_extensions(streamFile, "csmp"))
goto fail;
@ -33,6 +154,9 @@ VGMSTREAM *init_vgmstream_rfrm(STREAMFILE *streamFile) {
read_16bit = read_16bitLE;
big_endian = 0;
}
else if (version == 0x1F000000) { /* Metroid Prime Remastered */
return init_vgmstream_rfrm_mpr(streamFile);
}
else {
goto fail;
}