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Fix EA SWVR loops [Rumble Racing (PS2)]

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This commit is contained in:
bnnm 2023-02-02 00:04:15 +01:00
parent 882b0acc27
commit 5dc5116b5b
1 changed files with 46 additions and 35 deletions
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81
src/meta/ea_swvr.c
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@ -1,25 +1,22 @@
#include "meta.h"
#include "../layout/layout.h"
#include "../coding/coding.h"
#include "../util/endianness.h"
/* SWVR - from EA games, demuxed from .av/trk/mis/etc [Future Cop L.A.P.D. (PS/PC), Freekstyle (PS2/GC), EA Sports Supercross (PS)] */
VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
VGMSTREAM * vgmstream = NULL;
VGMSTREAM* vgmstream = NULL;
off_t start_offset;
int loop_flag = 0, channels, sample_rate, big_endian;
int loop_flag = 0, channels, sample_rate, big_endian, loop_block = 0;
coding_t coding;
uint32_t block_id;
int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL;
int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL;
read_u32_t read_u32 = NULL;
read_u16_t read_u16 = NULL;
int total_subsongs, target_subsong = sf->stream_index;
/* checks */
/* .stream: common (found inside files)
* .str: shortened, probably unnecessary */
if (!check_extensions(sf,"stream,str"))
goto fail;
/* Files have no actual audio headers, so we inspect the first block for known values.
* Freekstyle uses multiblocks/subsongs (though some subsongs may be clones?) */
@ -27,40 +24,48 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
/* blocks ids are in machine endianness */
if (read_u32be(0x00,sf) == get_id32be("RVWS")) { /* PS1/PS2/PC */
big_endian = 0;
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
start_offset = read_32bit(0x04, sf);
read_u32 = read_u32le;
read_u16 = read_u16le;
start_offset = read_u32(0x04, sf);
/* 0x08: null */
loop_block = read_u32(0x0c, sf); /* uncommon [NASCAR Racing (PS1), Rumble Racing (PS2)] */
}
else if (read_u32be(0x00,sf) == get_id32be("SWVR")) { /* GC */
big_endian = 1;
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
start_offset = read_32bit(0x04, sf);
read_u32 = read_u32be;
read_u16 = read_u16be;
start_offset = read_u32(0x04, sf);
}
else if (read_u32be(0x00,sf) == get_id32be("MGAV")) { /* Freekstyle (PS2) raw movies */
big_endian = 0;
read_32bit = read_32bitLE;
read_16bit = read_16bitLE;
read_u32 = read_u32le;
read_u16 = read_u16le;
start_offset = 0x00;
}
else if (read_u32be(0x00,sf) == get_id32be("DSPM")) { /* Freekstyle (GC) raw movies */
big_endian = 1;
read_32bit = read_32bitBE;
read_16bit = read_16bitBE;
read_u32 = read_u32be;
read_u16 = read_u16be;
start_offset = 0x00;
}
else {
goto fail;
}
if (read_32bit(start_offset+0x00, sf) == get_id32be("PADD")) /* Freekstyle */
start_offset += read_32bit(start_offset+0x04, sf);
/* .stream: common (found inside files)
* .str: shortened, probably unnecessary */
if (!check_extensions(sf,"stream,str"))
goto fail;
if (read_32bit(start_offset+0x00, sf) == get_id32be("FILL")) /* Freekstyle */
start_offset += read_32bit(start_offset+0x04, sf);
if (read_u32(start_offset+0x00, sf) == get_id32be("PADD")) /* Freekstyle */
start_offset += read_u32(start_offset+0x04, sf);
if (read_u32(start_offset+0x00, sf) == get_id32be("FILL")) /* Freekstyle */
start_offset += read_u32(start_offset+0x04, sf);
total_subsongs = 1;
block_id = read_32bit(start_offset, sf);
block_id = read_u32(start_offset, sf);
/* value after block id (usually at 0x38) is number of blocks of 0x6000 (results in file size, including FILLs) */
/* intended sample rate for PSX music (verified in emus) should be 14260, but is found in ELF as pitch value
@ -69,8 +74,8 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
switch(block_id) {
case 0x5641474D: /* "VAGM" (stereo music) */
coding = coding_PSX;
if (read_16bit(start_offset+0x1a, sf) == 0x0024) {
total_subsongs = read_32bit(start_offset+0x0c, sf)+1;
if (read_u16(start_offset+0x1a, sf) == 0x0024) {
total_subsongs = read_u32(start_offset+0x0c, sf)+1;
sample_rate = 22050; /* Freekstyle (PS2) */
}
else {
@ -80,7 +85,7 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
break;
case 0x56414742: /* "VAGB" (mono sfx/voices)*/
coding = coding_PSX;
if (read_16bit(start_offset+0x1a, sf) == 0x6400) {
if (read_u16(start_offset+0x1a, sf) == 0x6400) {
sample_rate = 22050; /* Freekstyle (PS2) */
}
else {
@ -91,7 +96,7 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
break;
case 0x4453504D: /* "DSPM" (stereo music) */
coding = coding_NGC_DSP;
total_subsongs = read_32bit(start_offset+0x0c, sf)+1;
total_subsongs = read_u32(start_offset+0x0c, sf)+1;
sample_rate = 22050; /* Freekstyle (GC) */
channels = 2;
break;
@ -106,7 +111,7 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
sample_rate = 14291; /* assumed, by comparing vs PSX output [Future Cop (PC)] */
break;
case 0x53484F43: /* "SHOC" (a generic block but hopefully has PC sounds) */
if (read_32bit(start_offset+0x10, sf) == get_id32be("SHDR")) { /* Future Cop (PC) */
if (read_u32(start_offset+0x10, sf) == get_id32be("SHDR")) { /* Future Cop (PC) */
/* there is a mini header? after SHDR
* 0x00: 5
* 0x04: "snds"
@ -118,7 +123,7 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
* 0x1c: 1
* 0x20: 1
* 0x24: 0x4F430000 */
if (read_32bit(start_offset+0x18, sf) != get_id32be("snds"))
if (read_u32(start_offset+0x18, sf) != get_id32be("snds"))
goto fail;
coding = coding_PCM8_U_int;
channels = 1;
@ -139,7 +144,7 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
if (target_subsong == 0) target_subsong = 1;
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1) goto fail;
loop_flag = 0;//(channels > 1); /* some Future Cop LAPD tracks repeat but other games have fadeouts */
loop_flag = (loop_block > 0);//(channels > 1); /* some Future Cop LAPD tracks repeat but other games have fadeouts */
/* build the VGMSTREAM */
@ -162,9 +167,11 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
/* calc num_samples manually */
{
int num_samples;
int block, num_samples;
vgmstream->stream_index = target_subsong; /* needed to skip other subsong-blocks */
vgmstream->next_block_offset = start_offset;
block = 0;
do {
block_update(vgmstream->next_block_offset,vgmstream);
switch(vgmstream->coding_type) {
@ -174,15 +181,19 @@ VGMSTREAM* init_vgmstream_ea_swvr(STREAMFILE* sf) {
default: num_samples = 0; break;
}
vgmstream->num_samples += num_samples;
/* check loop on data blocks */
if (num_samples) {
block++;
if (loop_block == block) /* 1=first */
vgmstream->loop_start_sample = vgmstream->num_samples;
}
}
while (vgmstream->next_block_offset < get_streamfile_size(sf));
block_update(start_offset, vgmstream);
}
if (loop_flag) {
vgmstream->loop_start_sample = 0;
vgmstream->loop_end_sample = vgmstream->num_samples;
}
vgmstream->loop_end_sample = vgmstream->num_samples;
return vgmstream;