From 5af027e5f9b75a160d53f65d501b3ceb0d5941de Mon Sep 17 00:00:00 2001 From: NicknineTheEagle Date: Wed, 18 Jul 2018 02:39:47 +0300 Subject: [PATCH] Added streamed ABK version support (ABK/AST combo) --- src/layout/blocked_ea_schl.c | 7 ++- src/meta/ea_schl.c | 110 ++++++++++++++++++++++------------- 2 files changed, 74 insertions(+), 43 deletions(-) diff --git a/src/layout/blocked_ea_schl.c b/src/layout/blocked_ea_schl.c index f4fbee6e..aa21e206 100644 --- a/src/layout/blocked_ea_schl.c +++ b/src/layout/blocked_ea_schl.c @@ -23,9 +23,10 @@ void block_update_ea_schl(off_t block_offset, VGMSTREAM * vgmstream) { { uint32_t block_id = read_32bitBE(block_offset+0x00,streamFile); - block_size = read_32bitLE(block_offset+0x04,streamFile); - if (block_size > 0x00F00000) /* size is always LE, except in early SAT/MAC */ - block_size = read_32bitBE(block_offset+0x04,streamFile); + if (guess_endianness32bit(block_offset + 0x04,streamFile)) /* size is always LE, except in early SS/MAC */ + block_size = read_32bitBE(block_offset + 0x04,streamFile); + else + block_size = read_32bitLE(block_offset + 0x04,streamFile); switch(block_id) { case 0x5343446C: /* "SCDl" */ diff --git a/src/meta/ea_schl.c b/src/meta/ea_schl.c index ac8657dc..824c5a33 100644 --- a/src/meta/ea_schl.c +++ b/src/meta/ea_schl.c @@ -72,6 +72,7 @@ typedef struct { int codec_version; } ea_header; +static VGMSTREAM * parse_schl_block(STREAMFILE *streamFile, off_t offset, int total_streams); static VGMSTREAM * parse_bnk_header(STREAMFILE *streamFile, off_t offset); static int parse_variable_header(STREAMFILE* streamFile, ea_header* ea, off_t begin_offset, int max_length); static uint32_t read_patch(STREAMFILE* streamFile, off_t* offset); @@ -79,14 +80,8 @@ static int get_ea_stream_total_samples(STREAMFILE* streamFile, off_t start_offse static off_t get_ea_stream_mpeg_start_offset(STREAMFILE* streamFile, off_t start_offset, const ea_header* ea); static VGMSTREAM * init_vgmstream_ea_variable_header(STREAMFILE *streamFile, ea_header *ea, off_t start_offset, int is_bnk, int total_streams); - /* 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 *streamFile) { - off_t start_offset, header_offset; - size_t header_size; - ea_header ea = {0}; - - /* check extension; exts don't seem enforced by EA's tools, but usually: * STR/ASF/MUS ~early, EAM ~mid, SNG/AUD ~late, rest uncommon/one game (ex. STRM: MySims Kingdom Wii) */ if (!check_extensions(streamFile,"str,asf,mus,eam,sng,aud,sx,strm,xa,xsf,exa,stm,ast,trj,trm")) @@ -106,33 +101,15 @@ VGMSTREAM * init_vgmstream_ea_schl(STREAMFILE *streamFile) { /* Stream is divided into blocks/chunks: SCHl=audio header, SCCl=count of SCDl, SCDl=data xN, SCLl=loop end, SCEl=end. * Video uses picture blocks (MVhd/MV0K/etc) and sometimes multiaudio blocks (SHxx/SCxx/SDxx/SExx where xx=language=EN/FR/GE/IT/SP/RU/JA). * The number/size is affected by: block rate setting, sample rate, channels, CPU location (SPU/main/DSP/others), etc */ - - header_size = read_32bitLE(0x04,streamFile); - if (header_size > 0x00F00000) /* size is always LE, except in early SS/MAC */ - header_size = read_32bitBE(0x04,streamFile); - header_offset = 0x08; - - if (!parse_variable_header(streamFile,&ea, 0x08, header_size - header_offset)) - goto fail; - - start_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(streamFile, &ea, start_offset, 0, 1); + return parse_schl_block(streamFile, 0x00, 0); fail: return NULL; } +/* EA BNK with variable header - from EA games SFXs; also created by sx.exe */ VGMSTREAM * init_vgmstream_ea_bnk(STREAMFILE *streamFile) { - off_t start_offset, header_offset, test_offset, offset, table_offset; - size_t header_size; - ea_header ea = {0}; - int32_t (*read_32bit)(off_t,STREAMFILE*) = NULL; - int16_t (*read_16bit)(off_t,STREAMFILE*) = NULL; - int i, bnk_version; - int total_streams, real_streams = 0, target_stream = streamFile->stream_index; - + off_t offset; /* check extension */ /* .bnk: sfx, .sdt: speech, .mus: streams/jingles (rare) */ @@ -154,9 +131,12 @@ fail: return NULL; } -/* EA ABK - contains embedded BNK file */ +/* EA ABK - contains embedded BNK file or references streams in AST file */ VGMSTREAM * init_vgmstream_ea_abk(STREAMFILE *streamFile) { - off_t bnk_offset; + off_t bnk_offset, unk_table_size, stream_table_offset, schl_offset; + int total_streams, target_stream = streamFile->stream_index; + STREAMFILE * astData; + VGMSTREAM * vgmstream; /* check extension */ if (!check_extensions(streamFile, "abk")) @@ -166,13 +146,63 @@ VGMSTREAM * init_vgmstream_ea_abk(STREAMFILE *streamFile) { goto fail; bnk_offset = read_32bitLE(0x20,streamFile); - if (bnk_offset == 0) /* TODO: handle streamed version (ABK/AST) */ + if (bnk_offset != 0) { + /* normal version */ + if (read_32bitBE(bnk_offset, streamFile) != 0x424E4B6C) /* "BNKl" */ + goto fail; + + return parse_bnk_header(streamFile, bnk_offset); + } + else { + /* streamed version */ + astData = open_streamfile_by_ext(streamFile, "ast"); + if (!astData) goto fail; + + /* skip uknown table */ + unk_table_size = read_32bitLE(0x8c, streamFile); + stream_table_offset = read_32bitLE(0x98 + unk_table_size, streamFile); + total_streams = read_32bitLE(stream_table_offset, streamFile); + + if (target_stream == 0) target_stream = 1; + if (target_stream < 0 || target_stream > total_streams || total_streams < 1) goto fail; + + /* entry structure: 0x00: always 1, 0x04: offset, 0x08: always 0 */ + schl_offset = read_32bitLE(stream_table_offset + 0x04 + 0x0C * (target_stream-1) + 0x04, streamFile); + if (read_32bitBE(schl_offset,astData) != 0x5343486C) /* "SCHl */ + goto fail; + + vgmstream = parse_schl_block(astData, schl_offset, total_streams); + if (!vgmstream) goto fail; + + close_streamfile(astData); + return vgmstream; + } + +fail: + close_streamfile(astData); + return NULL; +} + +/* EA SCHl with variable header - from EA games (roughly 1997~2010); generated by EA Canada's sx.exe/Sound eXchange */ +static VGMSTREAM * parse_schl_block(STREAMFILE *streamFile, off_t offset, int total_streams) { + off_t start_offset, header_offset; + size_t header_size; + ea_header ea = { 0 }; + + if (guess_endianness32bit(offset + 0x04, streamFile)) /* size is always LE, except in early SS/MAC */ + header_size = read_32bitBE(offset + 0x04, streamFile); + else + header_size = read_32bitLE(offset + 0x04, streamFile); + + header_offset = offset + 0x08; + + if (!parse_variable_header(streamFile, &ea, header_offset, header_size)) goto fail; - if (read_32bitBE(bnk_offset,streamFile) != 0x424E4B6C) /* "BNKl" */ - goto fail; + start_offset = offset + header_size; /* starts in "SCCl" (skipped in block layout) or very rarely "SCDl" and maybe movie blocks */ - return parse_bnk_header(streamFile,bnk_offset); + /* rest is common */ + return init_vgmstream_ea_variable_header(streamFile, &ea, start_offset, 0, total_streams); fail: return NULL; @@ -310,8 +340,7 @@ static VGMSTREAM * init_vgmstream_ea_variable_header(STREAMFILE *streamFile, ea_ vgmstream->layout_type = layout_blocked_ea_schl; } - if (is_bnk) - vgmstream->num_streams = total_streams; + vgmstream->num_streams = total_streams; /* EA usually implements their codecs in all platforms (PS2/WII do EAXA/MT/EALAYER3) and * favors them over platform's natives (ex. EAXA vs VAG/DSP). @@ -466,16 +495,17 @@ static VGMSTREAM * init_vgmstream_ea_variable_header(STREAMFILE *streamFile, ea_ } } else { - /* fix num_samples for streams with multiple SCHl */ - int total_samples = get_ea_stream_total_samples(streamFile, start_offset, vgmstream); - if (total_samples > vgmstream->num_samples) - vgmstream->num_samples = total_samples; + if (total_streams == 0) { + /* HACK: fix num_samples for streams with multiple SCHl. Need to eventually get rid of this */ + int total_samples = get_ea_stream_total_samples(streamFile, start_offset, vgmstream); + if (total_samples > vgmstream->num_samples) + vgmstream->num_samples = total_samples; + } /* setup first block to update offsets */ block_update_ea_schl(start_offset,vgmstream); } - return vgmstream; fail: