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Add .fsb basic headers mode [Biker Mice from Mars (PS2)]

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bnnm 2018-06-17 00:52:46 +02:00
parent 90c3613289
commit 2e75bce0c3
1 changed files with 44 additions and 31 deletions
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75
src/meta/fsb.c
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@ -126,17 +126,17 @@ VGMSTREAM * init_vgmstream_fsb(STREAMFILE *streamFile) {
/* sample header (first stream only, not sure if there are multi-FSB1) */
{
off_t s_off = fsb.base_header_size;
off_t header_offset = fsb.base_header_size;
fsb.name_offset = s_off;
fsb.name_offset = header_offset;
fsb.name_size = 0x20;
fsb.num_samples = read_32bitLE(s_off+0x20,streamFile);
fsb.stream_size = read_32bitLE(s_off+0x24,streamFile);
fsb.sample_rate = read_32bitLE(s_off+0x28,streamFile);
fsb.num_samples = read_32bitLE(header_offset+0x20,streamFile);
fsb.stream_size = read_32bitLE(header_offset+0x24,streamFile);
fsb.sample_rate = read_32bitLE(header_offset+0x28,streamFile);
/* 0x2c:? 0x2e:? 0x30:? 0x32:? */
fsb.mode = read_32bitLE(s_off+0x34,streamFile);
fsb.loop_start = read_32bitLE(s_off+0x38,streamFile);
fsb.loop_end = read_32bitLE(s_off+0x3c,streamFile);
fsb.mode = read_32bitLE(header_offset+0x34,streamFile);
fsb.loop_start = read_32bitLE(header_offset+0x38,streamFile);
fsb.loop_end = read_32bitLE(header_offset+0x3c,streamFile);
fsb.channels = (fsb.mode & FSOUND_STEREO) ? 2 : 1;
if (fsb.loop_end > fsb.num_samples) /* this seems common... */
@ -191,42 +191,55 @@ VGMSTREAM * init_vgmstream_fsb(STREAMFILE *streamFile) {
/* sample header (N-stream) */
{
int i;
off_t s_off = fsb.base_header_size;
off_t d_off = fsb.base_header_size + fsb.sample_header_size;
off_t header_offset = fsb.base_header_size;
off_t data_offset = fsb.base_header_size + fsb.sample_header_size;
/* find target_stream header (variable sized) */
for (i = 0; i < fsb.total_subsongs; i++) {
size_t stream_header_size = (uint16_t)read_16bitLE(s_off+0x00,streamFile);
fsb.name_offset = s_off+0x02;
fsb.name_size = 0x20-0x02;
fsb.num_samples = read_32bitLE(s_off+0x20,streamFile);
fsb.stream_size = read_32bitLE(s_off+0x24,streamFile);
fsb.loop_start = read_32bitLE(s_off+0x28,streamFile);
fsb.loop_end = read_32bitLE(s_off+0x2c,streamFile);
fsb.mode = read_32bitLE(s_off+0x30,streamFile);
fsb.sample_rate = read_32bitLE(s_off+0x34,streamFile);
/* 0x38:defvol 0x3a:defpan 0x3c:defpri */
fsb.channels = read_16bitLE(s_off+0x3e,streamFile);
/* FSB3.1/4: 0x40:mindistance 0x44:maxdistance 0x48:varfreq/size_32bits 0x4c:varvol 0x4e:fsb.varpan */
/* FSB3/4: 0x50:extended_data size_32bits (not always given) */
size_t stream_header_size;
if (i+1 == target_subsong) /* d_off found */
if ((fsb.flags & FMOD_FSB_SOURCE_BASICHEADERS) && i > 0) {
/* miniheader, all subsongs reuse first header [rare, ex. Biker Mice from Mars (PS2)] */
stream_header_size = 0x08;
fsb.num_samples = read_32bitLE(header_offset+0x00,streamFile);
fsb.stream_size = read_32bitLE(header_offset+0x04,streamFile);
fsb.loop_start = 0;
fsb.loop_end = 0;
}
else {
/* subsong header for normal files */
stream_header_size = (uint16_t)read_16bitLE(header_offset+0x00,streamFile);
fsb.name_offset = header_offset+0x02;
fsb.name_size = 0x20-0x02;
fsb.num_samples = read_32bitLE(header_offset+0x20,streamFile);
fsb.stream_size = read_32bitLE(header_offset+0x24,streamFile);
fsb.loop_start = read_32bitLE(header_offset+0x28,streamFile);
fsb.loop_end = read_32bitLE(header_offset+0x2c,streamFile);
fsb.mode = read_32bitLE(header_offset+0x30,streamFile);
fsb.sample_rate = read_32bitLE(header_offset+0x34,streamFile);
/* 0x38:defvol 0x3a:defpan 0x3c:defpri */
fsb.channels = read_16bitLE(header_offset+0x3e,streamFile);
/* FSB3.1/4: 0x40:mindistance 0x44:maxdistance 0x48:varfreq/size_32bits 0x4c:varvol 0x4e:fsb.varpan */
/* FSB3/4: 0x50:extended_data size_32bits (not always given) */
}
if (i+1 == target_subsong) /* final data_offset found */
break;
s_off += stream_header_size;
d_off += fsb.stream_size; /* there is no offset so manually count */
header_offset += stream_header_size;
data_offset += fsb.stream_size; /* there is no offset so manually count */
/* some subsongs offsets need padding (most FSOUND_IMAADPCM, few MPEG too [Hard Reset (PC) subsong 5])
* other PADDED4 may set it (ex. XMA) but don't seem to use it and work fine */
if (fsb.flags & FMOD_FSB_SOURCE_MPEG_PADDED4) {
if (d_off % 0x20)
d_off += 0x20 - (d_off % 0x20);
if (data_offset % 0x20)
data_offset += 0x20 - (data_offset % 0x20);
}
}
if (i > fsb.total_subsongs) goto fail; /* not found */
start_offset = d_off;
custom_data_offset = s_off + fsb.sample_header_min; /* DSP coefs, seek tables, etc */
start_offset = data_offset;
custom_data_offset = header_offset + fsb.sample_header_min; /* DSP coefs, seek tables, etc */
}
}
@ -247,7 +260,7 @@ VGMSTREAM * init_vgmstream_fsb(STREAMFILE *streamFile) {
&& fsb.num_samples < 20*fsb.sample_rate) /* seconds, lame but no other way to know */
loop_flag = 0;
/* ping-pong looping = no looping? (forward > reverse > forward) */
/* ping-pong looping = no looping? (forward > reverse > forward) [ex. Biker Mice from Mars (PS2)] */
VGM_ASSERT(fsb.mode & FSOUND_LOOP_BIDI, "FSB BIDI looping found\n");