mirror of
https://github.com/vgmstream/vgmstream.git
synced 2024-11-12 01:30:49 +01:00
Clean .rws code
This commit is contained in:
bnnm
parent
088a9d32fd
commit
93b66b2aa6
200
src/meta/rws.c
200
src/meta/rws.c
@ -3,190 +3,230 @@
|
||||
#include "../layout/layout.h"
|
||||
|
||||
|
||||
static off_t get_rws_string_size(off_t off, STREAMFILE *streamFile);
|
||||
static off_t get_rws_string_size(off_t offset, STREAMFILE *streamFile);
|
||||
|
||||
|
||||
typedef struct {
|
||||
int channel_count;
|
||||
int codec;
|
||||
int sample_rate;
|
||||
int total_segments;
|
||||
int total_layers;
|
||||
|
||||
size_t file_size;
|
||||
size_t header_size;
|
||||
size_t data_size;
|
||||
size_t stream_size_full;
|
||||
size_t stream_size;
|
||||
size_t stream_size_expected;
|
||||
|
||||
size_t block_size;
|
||||
size_t block_size_total;
|
||||
|
||||
off_t data_offset;
|
||||
|
||||
off_t coefs_offset;
|
||||
off_t stream_offset;
|
||||
off_t name_offset;
|
||||
|
||||
} rws_header;
|
||||
|
||||
|
||||
/* RWS - RenderWare Stream (from games using RenderWare Audio middleware) */
|
||||
VGMSTREAM * init_vgmstream_rws(STREAMFILE *streamFile) {
|
||||
VGMSTREAM * vgmstream = NULL;
|
||||
off_t start_offset, off, coefs_offset = 0, stream_offset = 0, name_offset = 0;
|
||||
int loop_flag = 0, channel_count = 0, codec = 0, sample_rate = 0;
|
||||
size_t file_size, header_size, data_size, stream_size_full = 0, stream_size = 0, stream_size_expected = 0;
|
||||
size_t block_size = 0, block_size_total = 0;
|
||||
off_t start_offset, offset;
|
||||
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
|
||||
int i, total_segments;
|
||||
int loop_flag;
|
||||
int total_subsongs, target_subsong = streamFile->stream_index;
|
||||
int i;
|
||||
rws_header rws = {0};
|
||||
|
||||
|
||||
/* check */
|
||||
if (!check_extensions(streamFile,"rws"))
|
||||
goto fail;
|
||||
|
||||
/* check chunks (always LE) */
|
||||
/* Made of a file chunk with header and data chunks (other chunks exist for non-audio .RWS).
|
||||
/* parse chunks (always LE) */
|
||||
/* RWS are made of a file chunk with header and data chunks (other chunks exist for non-audio .RWS).
|
||||
* A chunk is: id, size, RW version (no real diffs), data of size (version is repeated but same for all chunks).
|
||||
* Version: 16b main + 16b build (can vary between files) ex: 0c02, 1003, 1400 = 3.5, 1803 = 3.6, 1C02 = 3.7. */
|
||||
|
||||
if (read_32bitLE(0x00,streamFile) != 0x0000080d) /* audio file chunk id */
|
||||
goto fail;
|
||||
file_size = read_32bitLE(0x04,streamFile); /* audio file chunk size */
|
||||
if (file_size + 0x0c != get_streamfile_size(streamFile)) goto fail;
|
||||
rws.file_size = read_32bitLE(0x04,streamFile); /* audio file chunk size */
|
||||
if (rws.file_size + 0x0c != get_streamfile_size(streamFile))
|
||||
goto fail;
|
||||
|
||||
if (read_32bitLE(0x0c,streamFile) != 0x0000080e) /* header chunk id */
|
||||
goto fail;
|
||||
header_size = read_32bitLE(0x10,streamFile); /* header chunk size */
|
||||
rws.header_size = read_32bitLE(0x10,streamFile); /* header chunk size */
|
||||
|
||||
off = 0x0c + 0x0c + header_size;
|
||||
if (read_32bitLE(off+0x00,streamFile) != 0x0000080f) /* data chunk id */
|
||||
rws.data_offset = 0x0c + 0x0c + rws.header_size; /* usually 0x800 but not always */
|
||||
if (read_32bitLE(rws.data_offset+0x00,streamFile) != 0x0000080f) /* data chunk id */
|
||||
goto fail;
|
||||
data_size = read_32bitLE(off+0x04,streamFile); /* data chunk size */
|
||||
if (data_size+0x0c + off != get_streamfile_size(streamFile))
|
||||
rws.data_size = read_32bitLE(rws.data_offset+0x04,streamFile); /* data chunk size */
|
||||
if (rws.data_size+0x0c + rws.data_offset != get_streamfile_size(streamFile))
|
||||
goto fail;
|
||||
|
||||
/* inside header chunk (many unknown fields are probably IDs/config, as two same-sized files vary a lot) */
|
||||
off = 0x0c + 0x0c;
|
||||
offset = 0x0c + 0x0c;
|
||||
|
||||
|
||||
/* get base header */
|
||||
/* 0x00: actual header size (less than chunk size), 0x04/08/10: sizes of various sections?, 0x14/18/24/2C: commands?
|
||||
* 0x1c: null? 0x30: 0x800?, 0x34: block_size_total?, 0x38: data offset, 0x3c: 0?, 0x40-50: file uuid */
|
||||
read_32bit = (read_32bitLE(off+0x00,streamFile) > header_size) ? read_32bitBE : read_32bitLE; /* GC/Wii/X360 = BE */
|
||||
total_segments = read_32bit(off+0x20,streamFile);
|
||||
total_subsongs = read_32bit(off+0x28,streamFile);
|
||||
read_32bit = (read_32bitLE(offset+0x00,streamFile) > rws.header_size) ? read_32bitBE : read_32bitLE; /* GC/Wii/X360 = BE */
|
||||
rws.total_segments = read_32bit(offset+0x20,streamFile);
|
||||
rws.total_layers = read_32bit(offset+0x28,streamFile);
|
||||
|
||||
/* skip audio file name */
|
||||
off += 0x50 + get_rws_string_size(off+0x50, streamFile);
|
||||
offset += 0x50 + get_rws_string_size(offset+0x50, streamFile);
|
||||
|
||||
|
||||
/* Data is divided into "segments" (cues/divisions within data, ex. intro+main, voice1+2+..N) and "streams"
|
||||
* of interleaved blocks (for multichannel?). last stream (only?) has padding. Segments divide all streams.
|
||||
* ex.- 0x1800 data + 0 pad of stream_0 2ch, 0x1800 data + 0x200 pad of stream1 2ch (xN). */
|
||||
/* RWS data can be divided in two ways:
|
||||
* - "segments": cues/divisions within data, like intro+main/loop [[Max Payne 2 (PS2), Nana (PS2)]
|
||||
* or voice1+2+..N, song1+2+..N [Madagascar (PS2), The Legend of Spyro: Dawn of the Dragon (X360)]
|
||||
* - "streams" (layers): interleaved blocks, like L/R+C/S+LS/RS [Burnout 2 (GC/Xbox)]. Last stream has padding:
|
||||
* ex.- 1 block: 0x1800 data of stream_0 2ch, 0x1800 data + 0x200 pad of stream1 2ch.
|
||||
*
|
||||
* Layers seem only used to fake multichannel, but as they are given sample rate/channel/codec/coefs/etc
|
||||
* they are treated as subsongs. Similarly segments can be treated as subsongs in some cases.
|
||||
* They don't seem used at the same time, though could be possible. */
|
||||
|
||||
total_subsongs = rws.total_layers;
|
||||
if (target_subsong == 0) target_subsong = 1;
|
||||
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
|
||||
|
||||
|
||||
/* get segment info, for all streams */
|
||||
/* 0x00/04/0c: command?, 0x18: full segment size (including all streams), 0x1c: offset, others: ?) */
|
||||
for (i = 0; i < total_segments; i++) {
|
||||
stream_size_full += read_32bit(off + 0x20*i + 0x18,streamFile);
|
||||
for (i = 0; i < rws.total_segments; i++) {
|
||||
rws.stream_size_full += read_32bit(offset + 0x20*i + 0x18,streamFile);
|
||||
}
|
||||
off += 0x20 * total_segments;
|
||||
offset += 0x20 * rws.total_segments;
|
||||
|
||||
|
||||
/* get usable segment sizes (usually ok but sometimes > stream_size), per stream */
|
||||
for (i = 0; i < total_segments; i++) { /* sum usable segment sizes (no padding) */
|
||||
stream_size += read_32bit(off + 0x04*i + 0x04*total_segments*(target_subsong-1),streamFile);
|
||||
for (i = 0; i < rws.total_segments; i++) { /* sum usable segment sizes (no padding) */
|
||||
rws.stream_size += read_32bit(offset + 0x04*i + 0x04*rws.total_segments*(target_subsong-1),streamFile);
|
||||
}
|
||||
off += 0x04 * (total_segments * total_subsongs);
|
||||
offset += 0x04 * (rws.total_segments * rws.total_layers);
|
||||
|
||||
/* skip segment uuids */
|
||||
off += 0x10 * total_segments;
|
||||
offset += 0x10 * rws.total_segments;
|
||||
|
||||
/* skip segment names */
|
||||
for (i = 0; i < total_segments; i++) {
|
||||
off += get_rws_string_size(off, streamFile);
|
||||
for (i = 0; i < rws.total_segments; i++) {
|
||||
offset += get_rws_string_size(offset, streamFile);
|
||||
}
|
||||
|
||||
|
||||
/* get stream layout */
|
||||
/* 0x00/04/14: command?, 0x08: null? 0x0c: spf related? (XADPCM=07, VAG=1C, DSP=0E, PCM=01)
|
||||
/* 0x00/04/14: command?, 0x08: null? 0x0c: related to samples per frame? (XADPCM=07, VAG=1C, DSP=0E, PCM=01)
|
||||
* 0x24: offset within data chunk, 0x1c: codec related?, others: ?) */
|
||||
for (i = 0; i < total_subsongs; i++) { /* get block_sizes */
|
||||
block_size_total += read_32bit(off + 0x10 + 0x28*i, streamFile); /* for all streeams, to skip during decode */
|
||||
for (i = 0; i < rws.total_layers; i++) { /* get block_sizes */
|
||||
rws.block_size_total += read_32bit(offset + 0x10 + 0x28*i, streamFile); /* for all streeams, to skip during decode */
|
||||
if (i+1 == target_subsong) {
|
||||
//block_size_full = read_32bit(off + 0x10 + 0x28*i, streamFile); /* with padding, can be different per stream */
|
||||
block_size = read_32bit(off + 0x20 + 0x28*i, streamFile); /* without padding */
|
||||
stream_offset = read_32bit(off + 0x24 + 0x28*i, streamFile); /* within data */
|
||||
rws.block_size = read_32bit(offset + 0x20 + 0x28*i, streamFile); /* without padding */
|
||||
rws.stream_offset = read_32bit(offset + 0x24 + 0x28*i, streamFile); /* within data */
|
||||
}
|
||||
}
|
||||
off += 0x28 * total_subsongs;
|
||||
offset += 0x28 * rws.total_layers;
|
||||
|
||||
/* get stream config */
|
||||
/* 0x04: command?, 0x0c(1): bits per sample, others: null? */
|
||||
for (i = 0; i < total_subsongs; i++) { /* size depends on codec so we must parse it */
|
||||
for (i = 0; i < rws.total_layers; i++) { /* size depends on codec so we must parse it */
|
||||
int prev_codec = 0;
|
||||
if (i+1 == target_subsong) {
|
||||
sample_rate = read_32bit(off+0x00, streamFile);
|
||||
//unk_size = read_32bit(off+0x08, streamFile); /* segment size again? loop-related? */
|
||||
channel_count = read_8bit(off+0x0d, streamFile);
|
||||
codec = read_32bitBE(off+0x1c, streamFile); /* uuid of 128b but first 32b is enough */
|
||||
rws.sample_rate = read_32bit(offset+0x00, streamFile);
|
||||
//unk_size = read_32bit(off+0x08, streamFile); /* segment size again? loop-related? */
|
||||
rws.channel_count = read_8bit(offset+0x0d, streamFile);
|
||||
rws.codec = read_32bitBE(offset+0x1c, streamFile); /* uuid of 128b but first 32b is enough */
|
||||
}
|
||||
prev_codec = read_32bitBE(off+0x1c, streamFile);
|
||||
off += 0x2c;
|
||||
prev_codec = read_32bitBE(offset+0x1c, streamFile);
|
||||
offset += 0x2c;
|
||||
|
||||
if (prev_codec == 0xF86215B0) { /* if codec is DSP there is an extra field per stream */
|
||||
/* 0x00: approx num samples? 0x04: approx size/loop related? (can be 0) */
|
||||
if (i+1 == target_subsong) {
|
||||
coefs_offset = off + 0x1c;
|
||||
rws.coefs_offset = offset + 0x1c;
|
||||
}
|
||||
off += 0x60;
|
||||
offset += 0x60;
|
||||
}
|
||||
|
||||
off += 0x04; /* padding/garbage */
|
||||
offset += 0x04; /* padding/garbage */
|
||||
}
|
||||
|
||||
/* skip stream uuids */
|
||||
off += 0x10 * total_subsongs;
|
||||
offset += 0x10 * rws.total_layers;
|
||||
|
||||
/* get stream name */
|
||||
for (i = 0; i < total_subsongs; i++) {
|
||||
for (i = 0; i < rws.total_layers; i++) {
|
||||
if (i+1 == target_subsong) {
|
||||
name_offset = off;
|
||||
rws.name_offset = offset;
|
||||
}
|
||||
off += get_rws_string_size(off, streamFile);
|
||||
offset += get_rws_string_size(offset, streamFile);
|
||||
}
|
||||
|
||||
/* rest is padding/garbage until chunk end (may contain strings and weird stuff) */
|
||||
// ...
|
||||
|
||||
/* usually 0x800 but not always */
|
||||
start_offset = 0x0c + 0x0c + header_size + 0x0c + stream_offset;
|
||||
start_offset = rws.data_offset + 0x0c + rws.stream_offset;
|
||||
|
||||
/* sometimes it's wrong for no apparent reason (probably a bug in RWS) */
|
||||
stream_size_expected = (stream_size_full / block_size_total) * (block_size * total_subsongs) / total_subsongs;
|
||||
if (stream_size > stream_size_expected) {
|
||||
VGM_LOG("RWS: readjusting wrong stream size %x vs expected %x\n", stream_size, stream_size_expected);
|
||||
stream_size = stream_size_expected;
|
||||
rws.stream_size_expected = (rws.stream_size_full / rws.block_size_total) * (rws.block_size * rws.total_layers) / rws.total_layers;
|
||||
if (rws.stream_size > rws.stream_size_expected) {
|
||||
VGM_LOG("RWS: readjusting wrong stream size %x vs expected %x\n", rws.stream_size, rws.stream_size_expected);
|
||||
rws.stream_size = rws.stream_size_expected;
|
||||
}
|
||||
|
||||
|
||||
loop_flag = 0; /* RWX doesn't seem to include actual looping (so devs may fake it with segments) */
|
||||
|
||||
/* build the VGMSTREAM */
|
||||
vgmstream = allocate_vgmstream(channel_count,loop_flag);
|
||||
vgmstream = allocate_vgmstream(rws.channel_count,loop_flag);
|
||||
if (!vgmstream) goto fail;
|
||||
|
||||
vgmstream->sample_rate = sample_rate;
|
||||
vgmstream->sample_rate = rws.sample_rate;
|
||||
vgmstream->num_streams = total_subsongs;
|
||||
vgmstream->stream_size = stream_size;
|
||||
vgmstream->stream_size = rws.stream_size;
|
||||
vgmstream->meta_type = meta_RWS;
|
||||
if (name_offset)
|
||||
read_string(vgmstream->stream_name,STREAM_NAME_SIZE, name_offset,streamFile);
|
||||
if (rws.name_offset)
|
||||
read_string(vgmstream->stream_name,STREAM_NAME_SIZE, rws.name_offset,streamFile);
|
||||
|
||||
vgmstream->layout_type = layout_blocked_rws;
|
||||
vgmstream->current_block_size = block_size / vgmstream->channels;
|
||||
vgmstream->full_block_size = block_size_total;
|
||||
vgmstream->current_block_size = rws.block_size / vgmstream->channels;
|
||||
vgmstream->full_block_size = rws.block_size_total;
|
||||
|
||||
switch(codec) {
|
||||
case 0x17D21BD0: /* PCM PC (17D21BD0 8735ED4E B9D9B8E8 6EA9B995) */
|
||||
switch(rws.codec) {
|
||||
case 0x17D21BD0: /* PCM PC (17D21BD0 8735ED4E B9D9B8E8 6EA9B995) */
|
||||
case 0xD01BD217: /* PCM X360 (D01BD217 35874EED B9D9B8E8 6EA9B995) */
|
||||
/* ex. D.i.R.T. - Origin of the Species (PC), The Legend of Spyro (X360) */
|
||||
vgmstream->coding_type = coding_PCM16_int;
|
||||
vgmstream->codec_endian = (codec == 0xD01BD217);
|
||||
vgmstream->codec_endian = (rws.codec == 0xD01BD217); /* X360: BE */
|
||||
vgmstream->interleave_block_size = 0x02; /* only used to setup channels */
|
||||
|
||||
vgmstream->num_samples = pcm_bytes_to_samples(stream_size, channel_count, 16);
|
||||
vgmstream->num_samples = pcm_bytes_to_samples(rws.stream_size, rws.channel_count, 16);
|
||||
break;
|
||||
|
||||
case 0x9897EAD9: /* PS-ADPCM PS2 (9897EAD9 BCBB7B44 96B26547 59102E16) */
|
||||
/* ex. Silent Hill Origins (PS2), Ghost Rider (PS2), Max Payne 2 (PS2), Nana (PS2) */
|
||||
vgmstream->coding_type = coding_PSX;
|
||||
vgmstream->interleave_block_size = block_size / 2;
|
||||
vgmstream->interleave_block_size = rws.block_size / 2;
|
||||
|
||||
vgmstream->num_samples = ps_bytes_to_samples(stream_size, channel_count);
|
||||
vgmstream->num_samples = ps_bytes_to_samples(rws.stream_size, rws.channel_count);
|
||||
break;
|
||||
|
||||
case 0xF86215B0: /* DSP GC/Wii (F86215B0 31D54C29 BD37CDBF 9BD10C53) */
|
||||
/* ex. Burnout 2 (GC), Alice in Wonderland (Wii) */
|
||||
vgmstream->coding_type = coding_NGC_DSP;
|
||||
vgmstream->interleave_block_size = block_size / 2;
|
||||
vgmstream->interleave_block_size = rws.block_size / 2;
|
||||
|
||||
/* get coefs (all channels share them so 0 spacing; also seem fixed for all RWS) */
|
||||
dsp_read_coefs_be(vgmstream,streamFile,coefs_offset, 0);
|
||||
dsp_read_coefs_be(vgmstream,streamFile,rws.coefs_offset, 0);
|
||||
|
||||
vgmstream->num_samples = dsp_bytes_to_samples(stream_size, channel_count);
|
||||
vgmstream->num_samples = dsp_bytes_to_samples(rws.stream_size, rws.channel_count);
|
||||
break;
|
||||
|
||||
case 0x936538EF: /* XBOX-IMA PC (936538EF 11B62D43 957FA71A DE44227A) */
|
||||
@ -195,11 +235,11 @@ VGMSTREAM * init_vgmstream_rws(STREAMFILE *streamFile) {
|
||||
vgmstream->coding_type = coding_XBOX_IMA; /* PC and Xbox share the same data */
|
||||
vgmstream->interleave_block_size = 0;
|
||||
|
||||
vgmstream->num_samples = xbox_ima_bytes_to_samples(stream_size, channel_count);
|
||||
vgmstream->num_samples = xbox_ima_bytes_to_samples(rws.stream_size, rws.channel_count);
|
||||
break;
|
||||
|
||||
default:
|
||||
VGM_LOG("RSW: unknown codec 0x%08x\n", codec);
|
||||
VGM_LOG("RWS: unknown codec 0x%08x\n", rws.codec);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
@ -207,7 +247,7 @@ VGMSTREAM * init_vgmstream_rws(STREAMFILE *streamFile) {
|
||||
if (!vgmstream_open_stream(vgmstream,streamFile,start_offset))
|
||||
goto fail;
|
||||
|
||||
block_update_rws(start_offset, vgmstream); /* block init */
|
||||
block_update_rws(start_offset, vgmstream);
|
||||
|
||||
return vgmstream;
|
||||
|
||||
@ -218,10 +258,10 @@ fail:
|
||||
|
||||
|
||||
/* rws-strings are null-terminated then padded to 0x10 (weirdly the padding contains garbage) */
|
||||
static off_t get_rws_string_size(off_t off, STREAMFILE *streamFile) {
|
||||
static off_t get_rws_string_size(off_t offset, STREAMFILE *streamFile) {
|
||||
int i;
|
||||
for (i = 0; i < 0x800; i++) { /* 0x800=arbitrary max */
|
||||
if (read_8bit(off+i,streamFile) == 0) { /* null terminator */
|
||||
if (read_8bit(offset+i,streamFile) == 0) { /* null terminator */
|
||||
return i + (0x10 - (i % 0x10)); /* size is padded */
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user