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Merge pull request #782 from NicknineTheEagle/sbk

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SBK: Added version from Addiction Pinball 1997 demo
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NicknineTheEagle 2020-12-10 21:16:55 +03:00 committed by GitHub
commit 5d62d32f9a
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 57 additions and 24 deletions
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75
src/meta/sbk.c
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@ -6,9 +6,9 @@ VGMSTREAM *init_vgmstream_sbk(STREAMFILE *sf) {
VGMSTREAM *vgmstream = NULL;
uint32_t sound_offset, sound_size, padding_size, sample_rate;
uint16_t format, channels, block_size, bps;
off_t table_offset, data_offset, entry_offset, start_offset;
size_t table_size, data_size;
int target_subsong = sf->stream_index, total_subsongs, loop_flag;
off_t table_offset, data_offset, entry_offset, cfg_entry_size;
size_t table_size, data_size, cfg_fmt_offset;
int target_subsong = sf->stream_index, total_subsongs, loop_flag, is_streamed;
/* checks */
if (!check_extensions(sf, "sbk"))
@ -23,25 +23,50 @@ VGMSTREAM *init_vgmstream_sbk(STREAMFILE *sf) {
if (!find_chunk_le(sf, 0x57415649, 0x0c, 0, &table_offset, &table_size)) /* "WAVI" */
goto fail;
total_subsongs = table_size / 0x38;
if (read_u16le(0x2c, sf) == 0x00) {
cfg_entry_size = 0x38;
cfg_fmt_offset = 0x1c;
} else {
/* 1997 demo version with sound names */
cfg_entry_size = 0x24;
cfg_fmt_offset = 0x0c;
}
total_subsongs = table_size / cfg_entry_size;
if (target_subsong == 0) target_subsong = 1;
if (target_subsong < 0 || target_subsong > total_subsongs || total_subsongs < 1)
goto fail;
entry_offset = table_offset + 0x38 * (target_subsong - 1);
entry_offset = table_offset + cfg_entry_size * (target_subsong - 1);
sound_offset = read_u32le(entry_offset + 0x04, sf);
sound_size = read_u32le(entry_offset + 0x00, sf);
if (cfg_entry_size == 0x38) {
padding_size = read_u32le(entry_offset + 0x10, sf);
sound_offset += padding_size;
sound_size -= padding_size;
is_streamed = read_u8(entry_offset + 0x36, sf);
} else {
is_streamed = 0;
}
if (!is_streamed) {
if (!find_chunk_le(sf, 0x57415644, 0x0c, 0, &data_offset, &data_size)) /* "WAVD" */
goto fail;
} else {
if (!find_chunk_le(sf, 0x53574156, 0x0c, 0, &data_offset, &data_size)) /* "SWAV" */
goto fail;
}
sound_offset += data_offset;
/* read fmt chunk */
format = read_u16le(entry_offset + 0x1c, sf);
channels = read_u16le(entry_offset + 0x1e, sf);
sample_rate = read_u32le(entry_offset + 0x20, sf);
block_size = read_u16le(entry_offset + 0x28, sf);
bps = read_u16le(entry_offset + 0x2a, sf);
format = read_u16le(entry_offset + cfg_fmt_offset + 0x00, sf);
channels = read_u16le(entry_offset + cfg_fmt_offset + 0x02, sf);
sample_rate = read_u32le(entry_offset + cfg_fmt_offset + 0x04, sf);
block_size = read_u16le(entry_offset + cfg_fmt_offset + 0x0c, sf);
bps = read_u16le(entry_offset + cfg_fmt_offset + 0x0e, sf);
loop_flag = 0;
@ -55,6 +80,24 @@ VGMSTREAM *init_vgmstream_sbk(STREAMFILE *sf) {
vgmstream->stream_size = sound_size;
vgmstream->num_streams = total_subsongs;
if (cfg_entry_size == 0x24) {
uint32_t num_entries, i;
if (!find_chunk_le(sf, 0x544F4320, 0x0c, 0, &table_offset, &table_size)) /* "TOC " */
goto fail;
num_entries = table_size / 0x10;
for (i = 0; i < num_entries; i++) {
entry_offset = table_offset + 0x10 * i;
if ((read_u8(entry_offset + 0x01, sf) & 0x80) &&
read_u8(entry_offset + 0x00, sf) == (target_subsong - 1)) {
read_string(vgmstream->stream_name, 0x0c, entry_offset + 0x04, sf);
break;
}
}
}
switch (format) {
case 0x01: /* PCM */
if (bps != 8 && bps != 16)
@ -64,28 +107,18 @@ VGMSTREAM *init_vgmstream_sbk(STREAMFILE *sf) {
vgmstream->layout_type = layout_interleave;
vgmstream->interleave_block_size = (bps == 8) ? 0x01 : 0x02;
vgmstream->num_samples = pcm_bytes_to_samples(sound_size, channels, bps);
if (!find_chunk_le(sf, 0x57415644, 0x0c, 0, &data_offset, &data_size)) /* "WAVD" */
goto fail;
start_offset = data_offset + sound_offset;
break;
case 0x11: /* Microsoft IMA */
vgmstream->coding_type = coding_MS_IMA;
vgmstream->layout_type = layout_none;
vgmstream->interleave_block_size = block_size;
vgmstream->num_samples = ms_ima_bytes_to_samples(sound_size, block_size, channels);
if (!find_chunk_le(sf, 0x53574156, 0x0c, 0, &data_offset, &data_size)) /* "SWAV" */
goto fail;
start_offset = data_offset + sound_offset;
break;
default:
goto fail;
}
if (!vgmstream_open_stream(vgmstream, sf, start_offset))
if (!vgmstream_open_stream(vgmstream, sf, sound_offset))
goto fail;
return vgmstream;