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EA SCHl: Removed the hack merging multiple sounds in one bigfile

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This commit is contained in:
NicknineTheEagle 2021-10-26 00:01:27 +03:00
parent 933a76f95e
commit 27cf174b80
2 changed files with 20 additions and 69 deletions
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33
src/layout/blocked_ea_schl.c
View File

@ -44,36 +44,9 @@ void block_update_ea_schl(off_t block_offset, VGMSTREAM * vgmstream) {
block_samples = 0; /* layout ignores this */
}
#ifdef VGM_USE_MPEG
/* "SCHl" start block, when decoding multi files pasted together */
if (block_id == 0x5343486C) {
switch(vgmstream->coding_type) {
case coding_MPEG_custom:
case coding_MPEG_layer1:
case coding_MPEG_layer2:
case coding_MPEG_layer3:
case coding_MPEG_ealayer3:
/* need to reset MPEG decoder to reset discards and trailing samples in the buffers */
flush_mpeg(vgmstream->codec_data);
break;
default:
break;
}
}
#endif
/* padding between "SCEl" and next "SCHl" (when subfiles exist) */
if (block_id == 0x00000000)
block_size = 0x04;
/* guard against errors (happens in bad rips/endianness, observed max is vid ~0x20000) */
if (block_size == 0x00 || block_size > 0xFFFFF || block_samples > 0xFFFF) {
block_size = 0x04;
block_samples = 0;
}
/* "SCEl" end chunk should be 32b-aligned, fixes some multi-SCHl [ex. Need for Speed 2 (PC) .eam] */
if (((block_offset + block_size) % 0x04) && block_id == 0x5343456C) {
block_size += 0x04 - ((block_offset + block_size) % 0x04);
if (block_id == 0x00000000 || block_id == 0xFFFFFFFF || block_id == 0x5343456C) { /* EOF */
vgmstream->current_block_samples = -1;
return;
}
}

56
src/meta/ea_schl.c
View File

@ -127,8 +127,8 @@ static VGMSTREAM * parse_bnk_header(STREAMFILE* sf, off_t offset, int target_str
static int parse_variable_header(STREAMFILE* sf, ea_header* ea, off_t begin_offset, int max_length, int bnk_version);
static uint32_t read_patch(STREAMFILE* sf, off_t* offset);
static off_t get_ea_stream_mpeg_start_offset(STREAMFILE* sf, off_t start_offset, const ea_header* ea);
static VGMSTREAM* init_vgmstream_ea_variable_header(STREAMFILE* sf, ea_header* ea, off_t start_offset, int is_bnk, int standalone);
static void update_ea_stream_size_and_samples(STREAMFILE* sf, off_t start_offset, VGMSTREAM* vgmstream, int standalone);
static VGMSTREAM* init_vgmstream_ea_variable_header(STREAMFILE* sf, ea_header* ea, off_t start_offset, int is_bnk);
static void update_ea_stream_size(STREAMFILE* sf, off_t start_offset, VGMSTREAM* vgmstream);
/* EA SCHl with variable header - from EA games (roughly 1997~2010); generated by EA Canada's sx.exe/Sound eXchange */
VGMSTREAM* init_vgmstream_ea_schl(STREAMFILE* sf) {
@ -150,9 +150,8 @@ VGMSTREAM* init_vgmstream_ea_schl(STREAMFILE* sf) {
* .hab: GoldenEye - Rogue Agent (inside .big)
* .xsf: 007 - Agent Under Fire (Xbox)
* .gsf: 007 - Everything or Nothing (GC)
* .mus: map/mpf+mus only?
* (extensionless): SSX (PS2) (inside .big) */
if (!check_extensions(sf,"asf,lasf,str,chk,eam,exa,sng,aud,sx,xa,strm,stm,hab,xsf,gsf,mus,"))
if (!check_extensions(sf,"asf,lasf,str,chk,eam,exa,sng,aud,sx,xa,strm,stm,hab,xsf,gsf,"))
goto fail;
/* check header */
@ -284,10 +283,9 @@ VGMSTREAM* init_vgmstream_ea_bnk(STREAMFILE* sf) {
/* check extension */
/* .bnk: common
* .sdt: Harry Potter games
* .mus: streams/jingles (rare)
* .abk: GoldenEye - Rogue Agent
* .ast: FIFA 2004 (inside .big) */
if (!check_extensions(sf,"bnk,sdt,mus,abk,ast"))
if (!check_extensions(sf,"bnk,sdt,abk,ast"))
goto fail;
if (target_stream == 0) target_stream = 1;
@ -1132,7 +1130,7 @@ static VGMSTREAM* parse_schl_block(STREAMFILE* sf, off_t offset, int standalone)
start_offset = offset + header_size; /* starts in "SCCl" (skipped in block layout) or very rarely "SCDl" and maybe movie blocks */
/* rest is common */
return init_vgmstream_ea_variable_header(sf, &ea, start_offset, 0, standalone);
return init_vgmstream_ea_variable_header(sf, &ea, start_offset, 0);
fail:
return NULL;
@ -1223,7 +1221,7 @@ static VGMSTREAM* parse_bnk_header(STREAMFILE* sf, off_t offset, int target_stre
start_offset = ea.offsets[0]; /* first channel, presumably needed for MPEG */
/* rest is common */
vgmstream = init_vgmstream_ea_variable_header(sf, &ea, start_offset, bnk_version, 0);
vgmstream = init_vgmstream_ea_variable_header(sf, &ea, start_offset, bnk_version);
if (!vgmstream) goto fail;
if (!is_embedded) {
vgmstream->num_streams = real_bnk_sounds;
@ -1236,7 +1234,7 @@ fail:
}
/* inits VGMSTREAM from a EA header */
static VGMSTREAM* init_vgmstream_ea_variable_header(STREAMFILE* sf, ea_header* ea, off_t start_offset, int bnk_version, int standalone) {
static VGMSTREAM* init_vgmstream_ea_variable_header(STREAMFILE* sf, ea_header* ea, off_t start_offset, int bnk_version) {
VGMSTREAM* vgmstream = NULL;
int i, ch;
int is_bnk = bnk_version;
@ -1492,7 +1490,7 @@ static VGMSTREAM* init_vgmstream_ea_variable_header(STREAMFILE* sf, ea_header* e
/* TODO: Figure out how to get stream size for BNK sounds */
} else {
update_ea_stream_size_and_samples(sf, start_offset, vgmstream, standalone);
update_ea_stream_size(sf, start_offset, vgmstream);
}
return vgmstream;
@ -1903,18 +1901,18 @@ fail:
return 0;
}
static void update_ea_stream_size_and_samples(STREAMFILE* sf, off_t start_offset, VGMSTREAM *vgmstream, int standalone) {
static void update_ea_stream_size(STREAMFILE* sf, off_t start_offset, VGMSTREAM *vgmstream) {
uint32_t block_id;
int32_t num_samples = 0;
size_t stream_size = 0, file_size;
int multiple_schl = 0;
file_size = get_streamfile_size(sf);
/* formats with custom codecs */
if (vgmstream->layout_type != layout_blocked_ea_schl) {
if (vgmstream->layout_type != layout_blocked_ea_schl)
return;
}
if (vgmstream->stream_size != 0)
return;
file_size = get_streamfile_size(sf);
/* manually read totals */
vgmstream->next_block_offset = start_offset;
@ -1925,20 +1923,10 @@ static void update_ea_stream_size_and_samples(STREAMFILE* sf, off_t start_offset
block_id = read_32bitBE(vgmstream->current_block_offset + 0x00, sf);
if (block_id == EA_BLOCKID_END) { /* banks should never contain movie "SHxx" */
if (!standalone)
break;
}
else if (block_id == EA_BLOCKID_HEADER) { /* "SCHl" start block (movie "SHxx" shouldn't use multi files) */
multiple_schl = 1;
break;
}
if (vgmstream->current_block_samples > 0) {
/* HACK: fix num_samples for streams with multiple SCHl. Need to eventually get rid of this.
* Get total samples by parsing block headers, needed when multiple files are stitched together.
* Some EA files (.mus/eam/sng/etc) concat many small subfiles, used for interactive/mapped
* music (.map/lin). Subfiles always share header, except num_samples. */
num_samples += vgmstream->current_block_samples;
/* stream size is almost never provided in bank files so we have to calc it manually */
stream_size += vgmstream->next_block_offset - vgmstream->ch[0].offset;
}
@ -1946,17 +1934,7 @@ static void update_ea_stream_size_and_samples(STREAMFILE* sf, off_t start_offset
/* reset once we're done */
block_update_ea_schl(start_offset, vgmstream);
/* only use calculated samples with multiple subfiles (rarely header samples may be less due to padding) */
if (standalone && multiple_schl) {
VGM_LOG("EA SCHl: multiple SCHl found\n");
if (num_samples > vgmstream->num_samples) {
vgmstream->num_samples = num_samples;
}
}
if (vgmstream->stream_size == 0)
vgmstream->stream_size = stream_size;
vgmstream->stream_size = stream_size;
}
/* find data start offset inside the first SCDl; not very elegant but oh well */